private void PlatformCreateBuffers()
        {
            // Create a upload resource, we are going to update the resource every
            // frame so we just upload it every time, instead of doing extra copies.
            vertexBuffer = graphicsHost.Device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None,
                                                                       ResourceDescription.Buffer(initialVertexCapacity * Vertex2D.SizeInBytes), ResourceStates.GenericRead);
            vertexBuffer.Name = "[SpriteRenderer] Vertex Buffer";

            // Create the view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes  = Vertex2D.SizeInBytes;
            vertexBufferView.SizeInBytes    = initialVertexCapacity * Vertex2D.SizeInBytes;

            // Describe and create a SRV for the texture.
            //var srvDesc = new ShaderResourceViewDescription
            //{
            //    Shader4ComponentMapping = DXHelper.DefaultComponentMapping(),
            //    Format = textureDesc.Format,
            //    Dimension = ShaderResourceViewDimension.Texture2D,
            //    Texture2D = { MipLevels = 1 },
            //};

            //graphicsHost.Device.CreateShaderResourceView(this.texture, srvDesc, graphicsHost.SRVHeap.CPUDescriptorHandleForHeapStart);
        }
        public override void InitBuffer(MpGe.Data.Vertex[] verts, short[] indices, int size, int stride)
        {
            int vertexBufferSize = Utilities.SizeOf(verts);

            vertexBuffer = DXGlobal.device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);

            Utilities.Write(pVertexDataBegin, verts, 0, verts.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes  = Utilities.SizeOf <MpGe.Data.Vertex>();
            vertexBufferView.SizeInBytes    = vertexBufferSize;

            int indexBufferSize = Utilities.SizeOf(indices);

            indexBuffer = DXGlobal.device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);

            IntPtr pIndexDataBegin = indexBuffer.Map(0);

            Utilities.Write(pIndexDataBegin, indices, 0, indices.Length);
            indexBuffer.Unmap(0);

            indexBufferView = new IndexBufferView();
            indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
            indexBufferView.Format         = Format.R16_Typeless;
            indexBufferView.SizeInBytes    = indexBufferSize;


            IndexCount = indices.Length;
        }
Пример #3
0
        private bool Add(string name, VertexBufferView vertex, Resource data)
        {
            bool result = Resources.TryAdd(name, data);

            result = (result == true) ? Vertices.TryAdd(name, vertex) : false;
            return(result);
        }
Пример #4
0
        public override void Render(ID3D11Device device, ID3D11DeviceContext deviceContext, Camera camera)
        {
            if (!DoRender)
            {
                return;
            }

            //if (!camera.CheckBBoxFrustum(Transform.TranslationVector, BoundingBox))
            //     return;

            VertexBufferView VertexBufferView = new VertexBufferView(vertexBuffer, Unsafe.SizeOf <VertexLayouts.NormalLayout.Vertex>(), 0);

            deviceContext.IASetVertexBuffers(0, VertexBufferView);
            deviceContext.IASetIndexBuffer(indexBuffer, Vortice.DXGI.Format.R32_UInt, 0);
            deviceContext.IASetPrimitiveTopology(PrimitiveTopology.TriangleList);
            deviceContext.PSSetShaderResource(2, AOTexture);

            for (int i = 0; i != LODs[0].ModelParts.Length; i++)
            {
                ModelPart Segment = LODs[0].ModelParts[i];
                Segment.Shader.SetShaderParameters(device, deviceContext, new MaterialParameters(Segment.Material, SelectionColour.Normalize()));
                Segment.Shader.SetSceneVariables(deviceContext, Transform, camera);
                Segment.Shader.Render(deviceContext, PrimitiveTopology.TriangleList, (int)(Segment.NumFaces * 3), Segment.StartIndex);
            }
        }
 void ConstructPlatformDependentMembers(Int64 bufferLocation, Int32 sizeInBytes, Int32 strideInBytes)
 {
     m_VBVDesc = new VertexBufferView()
     {
         BufferLocation = bufferLocation,
         SizeInBytes    = sizeInBytes,
         StrideInBytes  = strideInBytes,
     };
 }
Пример #6
0
        public void SetVertexBuffer(Buffer buffer)
        {
            VertexBufferView vertexBufferView = new VertexBufferView()
            {
                BufferLocation = (ulong)buffer.GPUVirtualAddress,
                SizeInBytes    = buffer.SizeInBytes,
                StrideInBytes  = buffer.StructureByteStride
            };

            nativeCommandList.IASetVertexBuffers(0, vertexBufferView);
        }
Пример #7
0
        private void RenderLines(ID3D11DeviceContext InDeviceContext, Camera InCamera)
        {
            VertexBufferView BufferView = new VertexBufferView(VertexBuffer, Unsafe.SizeOf <VertexLayouts.BasicLayout.Vertex>(), 0);

            InDeviceContext.IASetVertexBuffers(0, BufferView);
            InDeviceContext.IASetIndexBuffer(IndexBuffer, Vortice.DXGI.Format.R16_UInt, 0);
            InDeviceContext.IASetPrimitiveTopology(PrimitiveTopology.LineStrip);

            BaseShader Shader = RenderStorageSingleton.Instance.ShaderManager.shaders[1];

            Shader.SetSceneVariables(InDeviceContext, Matrix4x4.Identity, InCamera);
            Shader.Render(InDeviceContext, PrimitiveTopology.LineList, SizeToRender, 0);
        }
Пример #8
0
        public override void Render(ID3D11Device device, ID3D11DeviceContext deviceContext, Camera camera)
        {
            if (!DoRender)
            {
                return;
            }

            VertexBufferView VertexBufferView = new VertexBufferView(vertexBuffer, Unsafe.SizeOf <VertexLayouts.BasicLayout.Vertex>(), 0);

            deviceContext.IASetVertexBuffers(0, VertexBufferView);
            deviceContext.IASetPrimitiveTopology(PrimitiveTopology.LineStrip);

            shader.SetSceneVariables(deviceContext, Transform, camera);
            shader.Render(deviceContext, PrimitiveTopology.LineStrip, vertices.Length, 0);
        }
Пример #9
0
        public override void Render(ID3D11Device device, ID3D11DeviceContext deviceContext, Camera camera)
        {
            if (!DoRender)
            {
                return;
            }

            VertexBufferView VertexBufferView = new VertexBufferView(vertexBuffer, Unsafe.SizeOf <VertexLayouts.BasicLayout.Vertex>(), 0);

            deviceContext.IASetVertexBuffers(0, VertexBufferView);
            deviceContext.IASetIndexBuffer(indexBuffer, Vortice.DXGI.Format.R32_UInt, 0);
            deviceContext.IASetPrimitiveTopology(PrimitiveTopology.LineList);

            shader.SetSceneVariables(deviceContext, Transform, camera);
            shader.Render(deviceContext, PrimitiveTopology.LineList, ReadOnlyIndices.Length, 0);
        }
        public override void Render(ID3D11Device device, ID3D11DeviceContext deviceContext, Camera camera)
        {
            if (!DoRender)
            {
                return;
            }

            VertexBufferView VertexBufferView = new VertexBufferView(vertexBuffer, Unsafe.SizeOf <VertexLayouts.CollisionLayout.Vertex>(), 0);

            deviceContext.IASetVertexBuffers(0, VertexBufferView);
            deviceContext.IASetIndexBuffer(indexBuffer, Vortice.DXGI.Format.R32_UInt, 0);
            deviceContext.IASetPrimitiveTopology(PrimitiveTopology.TriangleList);

            Shader.SetSceneVariables(deviceContext, Transform, camera);
            Shader.SetShaderParameters(device, deviceContext, new BaseShader.MaterialParameters(null, SelectionColour.Normalize()));

            Shader.Render(deviceContext, PrimitiveTopology.TriangleList, Indices.Length, 0);
        }
Пример #11
0
        private VertexBufferView[] GetVertexBufferViews(GltfLoader.Schema.Mesh mesh, Span <byte> indexBuffer = default, bool is32BitIndex = false)
        {
            VertexBufferView[] vertexBufferViews = new VertexBufferView[4];

            Dictionary <string, int> attributes = mesh.Primitives[0].Attributes;

            bool hasPosition  = attributes.TryGetValue("POSITION", out int positionIndex);
            bool hasNormal    = attributes.TryGetValue("NORMAL", out int normalIndex);
            bool hasTangent   = attributes.TryGetValue("TANGENT", out int tangentIndex);
            bool hasTexCoord0 = attributes.TryGetValue("TEXCOORD_0", out int texCoord0Index);

            if (hasPosition)
            {
                Span <byte> positionBuffer = GetVertexBuffer(positionIndex, out int positionStride);
                vertexBufferViews[0] = new VertexBufferView(GraphicsResource.CreateBuffer(GraphicsDevice, positionBuffer, ResourceFlags.None), positionStride);

                if (hasNormal)
                {
                    Span <byte> normalBuffer = GetVertexBuffer(normalIndex, out int normalStride);
                    vertexBufferViews[1] = new VertexBufferView(GraphicsResource.CreateBuffer(GraphicsDevice, normalBuffer, ResourceFlags.None), normalStride);
                }

                if (hasTangent)
                {
                    Span <byte> tangentBuffer = GetVertexBuffer(tangentIndex, out int tangentStride);
                    vertexBufferViews[2] = new VertexBufferView(GraphicsResource.CreateBuffer(GraphicsDevice, tangentBuffer, ResourceFlags.None), tangentStride);
                }

                if (hasTexCoord0)
                {
                    Span <byte> texCoord0Buffer = GetVertexBuffer(texCoord0Index, out int texCoord0Stride);
                    vertexBufferViews[3] = new VertexBufferView(GraphicsResource.CreateBuffer(GraphicsDevice, texCoord0Buffer, ResourceFlags.None), texCoord0Stride);

                    if (!hasTangent)
                    {
                        Span <Vector4> tangentBuffer = VertexHelper.GenerateTangents(positionBuffer, texCoord0Buffer, indexBuffer, is32BitIndex);
                        vertexBufferViews[2] = new VertexBufferView(GraphicsResource.CreateBuffer(GraphicsDevice, tangentBuffer, ResourceFlags.None), Unsafe.SizeOf <Vector4>());
                    }
                }
            }

            return(vertexBufferViews);
        }
Пример #12
0
        public void BuildPSO(Device3 device, GraphicsCommandList commandList)
        {
            Projection = Matrix.PerspectiveFovLH((float)Math.PI / 3f, 4f / 3f, 1, 1000);
            View       = Matrix.LookAtLH(new Vector3(10 * (float)Math.Sin(rotation), 5, 10 * (float)Math.Cos(rotation)), Vector3.Zero, Vector3.UnitY);
            World      = Matrix.Translation(-2.5f, -2.5f, -2.5f);

            DescriptorHeapDescription cbvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = 1,
                Flags           = DescriptorHeapFlags.ShaderVisible,
                Type            = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
            };

            _perPassViewHeap = device.CreateDescriptorHeap(cbvHeapDesc);

            RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.All, new RootDescriptor(0, 0), RootParameterType.ConstantBufferView) };


            // Create an empty root signature.
            RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters);

            _rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.

#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/Untextured.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/Untextured.hlsl", "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/Untextured.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/Untextured.hlsl", "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 12, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout           = new InputLayoutDescription(inputElementDescs),
                RootSignature         = _rootSignature,
                VertexShader          = vertexShader,
                PixelShader           = pixelShader,
                RasterizerState       = RasterizerStateDescription.Default(),
                BlendState            = BlendStateDescription.Default(),
                DepthStencilFormat    = SharpDX.DXGI.Format.D24_UNorm_S8_UInt,
                DepthStencilState     = DepthStencilStateDescription.Default(),
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            _pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Define the geometry for a triangle.
            Vertex[] triangleVertices = new Vertex[]
            {
                //Front
                new Vertex()
                {
                    Position = new Vector3(0, 0, 0), Color = new Vector4(0, 0, 1, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 0), Color = new Vector4(0, 0, 1, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 0), Color = new Vector4(0, 0, 1, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 0), Color = new Vector4(0, 0, 1, 1)
                },

                //Back
                new Vertex()
                {
                    Position = new Vector3(0, 0, 5), Color = new Vector4(0, 0, 1, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 5), Color = new Vector4(0, 0, 1, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 5), Color = new Vector4(0, 0, 1, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 5), Color = new Vector4(0, 0, 1, 1)
                },

                //Left
                new Vertex()
                {
                    Position = new Vector3(0, 0, 0), Color = new Vector4(0, 1, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 0), Color = new Vector4(0, 1, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(0, 0, 5), Color = new Vector4(0, 1, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 5), Color = new Vector4(0, 1, 0, 1)
                },

                //Right
                new Vertex()
                {
                    Position = new Vector3(5, 0, 0), Color = new Vector4(0, 1, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 0), Color = new Vector4(0, 1, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 5), Color = new Vector4(0, 1, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 5), Color = new Vector4(0, 1, 0, 1)
                },

                //Top
                new Vertex()
                {
                    Position = new Vector3(0, 0, 0), Color = new Vector4(1, 0, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(0, 0, 5), Color = new Vector4(1, 0, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 0), Color = new Vector4(1, 0, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 5), Color = new Vector4(1, 0, 0, 1)
                },

                //Bottom
                new Vertex()
                {
                    Position = new Vector3(0, 5, 0), Color = new Vector4(1, 0, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 5), Color = new Vector4(1, 0, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 0), Color = new Vector4(1, 0, 0, 1)
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 5), Color = new Vector4(1, 0, 0, 1)
                }
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            _vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = _vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            _vertexBuffer.Unmap(0);

            _indicies = new int[] { 0, 1, 2,
                                    3, 2, 1,
                                    6, 5, 4,
                                    5, 6, 7,

                                    10, 9, 8,
                                    9, 10, 11,
                                    12, 13, 14,
                                    15, 14, 13,

                                    18, 17, 16,
                                    17, 18, 19,
                                    20, 21, 22,
                                    23, 22, 21 };

            int indBufferSize = Utilities.SizeOf(_indicies);

            _indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indBufferSize), ResourceStates.GenericRead);

            IntPtr pIndBegin = _indexBuffer.Map(0);
            Utilities.Write(pIndBegin, _indicies, 0, _indicies.Length);
            _indexBuffer.Unmap(0);

            _indexBufferView = new IndexBufferView()
            {
                BufferLocation = _indexBuffer.GPUVirtualAddress,
                Format         = Format.R32_UInt,
                SizeInBytes    = indBufferSize
            };

            // Initialize the vertex buffer view.
            _vertexBufferView = new VertexBufferView
            {
                BufferLocation = _vertexBuffer.GPUVirtualAddress,
                StrideInBytes  = Utilities.SizeOf <Vertex>(),
                SizeInBytes    = vertexBufferSize
            };

            _perPassBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(Utilities.SizeOf <PerPass>()), ResourceStates.GenericRead);

            //// Describe and create a constant buffer view.
            ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = _perPassBuffer.GPUVirtualAddress,
                SizeInBytes    = (Utilities.SizeOf <PerPass>() + 255) & ~255
            };
            device.CreateConstantBufferView(cbvDesc, _perPassViewHeap.CPUDescriptorHandleForHeapStart);

            // Initialize and map the constant buffers. We don't unmap this until the
            // app closes. Keeping things mapped for the lifetime of the resource is okay.
            _perPassPointer = _perPassBuffer.Map(0);
            Utilities.Write(_perPassPointer, ref buffer);

            _resources = new[] { new GraphicsResource()
                                 {
                                     Resource = _perPassBuffer, Register = 0, type = ResourceType.ConstantBufferView
                                 } };
        }
        private void BuildTerrainResouces()
        {
            float[] HeightMapData = new float[100 * 100];
            for (int i = 0; i < 100; i++)
                for (int j = 0; j < 100; j++)
                    HeightMapData[i * 100 + j] = Convert.ToSingle(Math.Cos(Math.PI * 2 * i) * Math.Sin(Math.PI * 2 * j));
            var Tex = Texture.LoadFromFile("../../", "Terrain.jpg");

            ResourceDescription HeighMapDesc = ResourceDescription.Texture2D(Format.R32_Float, 100, 100, 1);
            ResourceDescription TerrainTextureDesc = ResourceDescription.Texture2D(Tex[0].ColorFormat, Tex[0].Width, Tex[0].Height, 1);
            HeightMap = device.CreateCommittedResource(
                        new HeapProperties(HeapType.Upload),
                        HeapFlags.None,
                        HeighMapDesc,
                        ResourceStates.GenericRead, null);
            TerrainTexture = device.CreateCommittedResource(
                        new HeapProperties(HeapType.Upload),
                        HeapFlags.None,
                        HeighMapDesc,
                        ResourceStates.GenericRead, null);
            TerrainCBF = device.CreateCommittedResource(
                        new HeapProperties(HeapType.Upload),
                        HeapFlags.None,
                        ResourceDescription.Buffer(1024 * 64),
                        ResourceStates.GenericRead);

            GCHandle handle = GCHandle.Alloc(HeightMapData, GCHandleType.Pinned);
            IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(HeightMapData, 0);
            HeightMap.WriteToSubresource(0, null, ptr, 100 * 4, HeightMapData.Length);
            handle.Free();

            handle = GCHandle.Alloc(Tex[0].Data, GCHandleType.Pinned);
            ptr = Marshal.UnsafeAddrOfPinnedArrayElement(Tex[0].Data, 0);
            TerrainTexture.WriteToSubresource(0, null, ptr, Tex[0].Width * Tex[0].PixelWdith, Tex[0].Data.Length);
            handle.Free();

            device.CreateShaderResourceView(
             HeightMap,
             new ShaderResourceViewDescription
             {
                 Shader4ComponentMapping = ((((0) & 0x7) | (((1) & 0x7) << 3) | (((2) & 0x7) << (3 * 2)) | (((3) & 0x7) << (3 * 3)) | (1 << (3 * 4)))),
                 Format = HeighMapDesc.Format,
                 Dimension = ShaderResourceViewDimension.Texture2D,
                 Texture2D =
                 {
                     MipLevels = 1,
                     MostDetailedMip = 0,
                     PlaneSlice = 0,
                     ResourceMinLODClamp = 0.0f
                 }
             },
             terrainHeap.CPUDescriptorHandleForHeapStart);

            device.CreateShaderResourceView(
             TerrainTexture,
             new ShaderResourceViewDescription
             {
                 Shader4ComponentMapping = ((((0) & 0x7) | (((1) & 0x7) << 3) | (((2) & 0x7) << (3 * 2)) | (((3) & 0x7) << (3 * 3)) | (1 << (3 * 4)))),
                 Format = HeighMapDesc.Format,
                 Dimension = ShaderResourceViewDimension.Texture2D,
                 Texture2D =
                 {
                     MipLevels = 1,
                     MostDetailedMip = 0,
                     PlaneSlice = 0,
                     ResourceMinLODClamp = 0.0f
                 }
             },
             terrainHeap.CPUDescriptorHandleForHeapStart +
              device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView));

            //==========
            TerrainCBF = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);
            device.CreateConstantBufferView(
                new ConstantBufferViewDescription()
                {
                    BufferLocation = TerrainCBF.GPUVirtualAddress,
                    SizeInBytes = (Utilities.SizeOf<ConstantBufferData>() + 255) & ~255
                },
                 terrainHeap.CPUDescriptorHandleForHeapStart +
              device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView) * 2);

            TerrainCBFData = new ConstantBufferData
            {
                World = Matrix.Identity,
                View = Matrix.Identity,
                Project = Matrix.Identity,
                TexsCount = 1
            };

            TerrainCBFPointer = TerrainCBF.Map(0);

            Vertex[] TerrainVertex = new Vertex[100 * 100];
            for (int i = 0; i < 100; i++)
                for (int j = 0; j < 100; j++)
                {
                    TerrainVertex[i * 100 + j].Position = new Vector3(i, 0, j);
                    TerrainVertex[i * 100 + j].TexCoord = new Vector2(i/2 == 0? 0 : 1, j/2==0? 0 : 1);
                }
            TerrainVertexBuffer = device.CreateCommittedResource(
                    new HeapProperties(HeapType.Upload),
                    HeapFlags.None,
                    ResourceDescription.Buffer(Utilities.SizeOf(TerrainVertex)),
                    ResourceStates.GenericRead);
            Utilities.Write(TerrainVertexBuffer.Map(0), TerrainVertex, 0, TerrainVertex.Length);
            vertexBuffer.Unmap(0);

            TerrainVertexBufferView = new VertexBufferView()
            {
                BufferLocation = TerrainVertexBuffer.GPUVirtualAddress,
                StrideInBytes = Utilities.SizeOf<Vertex>(),
                SizeInBytes = Utilities.SizeOf(TerrainVertex)
            };
        }
 public void SetVertexBuffer(int index, Buffer buffer, int offset, int stride)
 {
     var newVertexBuffer = new VertexBufferView(buffer, offset, stride);
     if (vertexBuffers[index] != newVertexBuffer)
     {
         vboDirty = true;
         vertexBuffers[index] = newVertexBuffer;
     }
 }
Пример #15
0
        private void LoadMesh(CpuDescriptorHandle heapStart)
        {
            SamplerStateDescription samplerDesc = new SamplerStateDescription()
            {
                Filter = Filter.ComparisonMinMagMipLinear,
                AddressU = TextureAddressMode.Wrap,
                AddressV = TextureAddressMode.Wrap,
                AddressW = TextureAddressMode.Wrap,
                MinimumLod = float.MinValue,
                MaximumLod = float.MaxValue,
                MipLodBias = 0,
                MaximumAnisotropy = 0,
                ComparisonFunction = Comparison.Never

            };
            var heapPosition = heapStart;

            // Load model from obj.
            var importer = new Assimp.AssimpContext();
            var scene = importer.ImportFile(@"../../../Models/lara/lara.obj", PostProcessSteps.GenerateSmoothNormals | PostProcessSteps.FlipUVs | PostProcessSteps.PreTransformVertices);

            Vertex[] vertices = new Vertex[scene.Meshes.Sum(m => m.VertexCount)];
            int[] indices = new int[scene.Meshes.Sum(m => m.FaceCount * 3)];
            faceCounts = new List<int>();

            int vertexOffSet = 0;
            int indexOffSet = 0;
            foreach (var mesh in scene.Meshes)
            {
                var positions = mesh.Vertices;
                var normals = mesh.Normals;
                var texs = mesh.TextureCoordinateChannels[0];
                for (int i = 0; i < mesh.VertexCount; i++)
                {
                    vertices[vertexOffSet + i] = new Vertex()
                    {
                        position = new Vector3(positions[i].X, positions[i].Y, positions[i].Z),
                        normal = new Vector3(normals[i].X, normals[i].Y, normals[i].Z),
                        textureCoordinate = new Vector3(texs[i].X, texs[i].Y, texs[i].Z)
                    };
                }

                var faces = mesh.Faces;
                for (int i = 0; i < mesh.FaceCount; i++)
                {
                    indices[i * 3 + indexOffSet] = (int)faces[i].Indices[0] + vertexOffSet;
                    indices[i * 3 + 1 + indexOffSet] = (int)faces[i].Indices[1] + vertexOffSet;
                    indices[i * 3 + 2 + indexOffSet] = (int)faces[i].Indices[2] + vertexOffSet;
                }

                faceCounts.Add(mesh.FaceCount * 3);
                vertexOffSet += mesh.VertexCount;
                indexOffSet += mesh.FaceCount * 3;

                string textureName = System.IO.Path.GetFileName(scene.Materials[mesh.MaterialIndex].TextureDiffuse.FilePath);
                var texResource = TextureUtilities.CreateTextureFromDDS(device, @"../../../Models/lara/" + textureName);
                textures.Add(texResource);

                int D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING = 5768;
                ShaderResourceViewDescription desc = new ShaderResourceViewDescription
                {
                    Dimension = ShaderResourceViewDimension.Texture2D,
                    Format = texResource.Description.Format,
                    Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING,
                };
                desc.Texture2D.MipLevels = 1;
                desc.Texture2D.MostDetailedMip = 0;
                desc.Texture2D.ResourceMinLODClamp = 0;

                device.CreateShaderResourceView(texResource, desc, heapStart);
                heapStart += constantBufferDescriptorSize;
            }

            int vertexBufferSize = Utilities.SizeOf(vertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, vertices, 0, vertices.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>();
            vertexBufferView.SizeInBytes = vertexBufferSize;

            //Create Index Buffer
            int indexBufferSize = Utilities.SizeOf(indices);
            indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pIndexDataBegin = indexBuffer.Map(0);
            Utilities.Write(pIndexDataBegin, indices, 0, indices.Length);
            indexBuffer.Unmap(0);

            // Initialize the index buffer view.
            indexBufferView = new IndexBufferView();
            indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
            indexBufferView.Format = Format.R32_UInt;
            indexBufferView.SizeInBytes = indexBufferSize;
        }
Пример #16
0
        void Initialize()
        {
            // 1) We create vertex shader first.
            {
                vertexShader = new ShaderCode(BindingStage.VertexShader);
                vertexShader.InputOperation.AddInput(PinComponent.Position, PinFormat.Floatx2);



                // We now extend position
                ExpandOperation expandPositionOp = new ExpandOperation(PinFormat.Floatx4, ExpandType.AddOnesAtW);
                expandPositionOp.BindInputs(vertexShader.InputOperation.PinAsOutput(PinComponent.Position));
                Pin position = expandPositionOp.Outputs[0];

                // We now output position.
                vertexShader.OutputOperation.AddComponentAndLink(PinComponent.Position, position);
            }

            vertexShader.Immutable = true;

            // 2) We create pixel shader.
            {
                pixelShader = new ShaderCode(BindingStage.PixelShader);
                pixelShader.InputOperation.AddInput(PinComponent.Position, PinFormat.Floatx4);

                // We first use only XY.
                SwizzleOperation swizzleOp = new SwizzleOperation(SwizzleMask.XY);
                swizzleOp.BindInputs(pixelShader.InputOperation.PinAsOutput(PinComponent.Position));

                ConstantOperation constant = vertexShader.CreateConstant("Offset", PinFormat.Floatx2);

                // We first offset.
                SubstractOperation subOp = new SubstractOperation();
                subOp.BindInputs(swizzleOp.Outputs[0], constant.Outputs[0]);

                ConstantOperation interfaceOp = pixelShader.CreateConstant("Composite", PinFormat.Interface, Pin.DynamicArray);

                // We use the compositing operation.
                CompositingOperation op = new CompositingOperation();
                op.BindInputs(subOp.Outputs[0],
                              interfaceOp.Outputs[0]);

                // Compositing is bound to output.
                pixelShader.OutputOperation.AddComponentAndLink(PinComponent.RenderTarget0, op.Outputs[0]);
            }

            pixelShader.Immutable = true;

            // 3) Initialize states.

            // Depth-stencil state.
            depthStencilState = new DepthStencilState();
            depthStencilState.DepthTestEnabled  = false;
            depthStencilState.DepthWriteEnabled = false;

            // Blend state (no blending default).
            blendState = new BlendState();


            // Rasterization state.
            rasterizationState                      = new RasterizationState();
            rasterizationState.FrontFacing          = Facing.CCW;
            rasterizationState.CullMode             = CullMode.None;
            rasterizationState.FillMode             = FillMode.Solid;
            rasterizationState.MultiSamplingEnabled = true;


            // We intern all states.
            depthStencilState  = StateManager.Intern(depthStencilState);
            blendState         = StateManager.Intern(blendState);
            rasterizationState = StateManager.Intern(rasterizationState);

            // 4) We create geometry.
            alignedQuad = new Geometry(device);
            alignedQuad.AssociateBuffers = true;

            {
                // We create vertex buffer
                VertexBufferView vertexBuffer = VertexBufferView.Create(device, vertexFormat, Usage.Default,
                                                                        CPUAccess.None, GraphicsLocality.DeviceOrSystemMemory,
                                                                        new Vector2f(-1.0f, -1.0f), new Vector2f(1.0f, -1.0f),
                                                                        new Vector2f(1.0f, 1.0f), new Vector2f(-1.0f, -1.0f),
                                                                        new Vector2f(1.0f, 1.0f), new Vector2f(-1.0f, 1.0f));

                alignedQuad[0] = vertexBuffer;
            }

            // 5) We create pixel typeless buffer for constant buffer.
            pixelTypelessConstantBuffer = new TypelessBuffer(Usage.Dynamic, BufferUsage.ConstantBuffer,
                                                             CPUAccess.Write, GraphicsLocality.DeviceOrSystemMemory, ConstantBufferView.MaxSize);
        }
 private bool Add(string name, VertexBufferView vertex, Resource data)
 {
     bool result = Resources.TryAdd(name, data);
     result = (result == true) ? Vertices.TryAdd(name, vertex) : false;
     return result;
 }
        private void LoadAssets()
        {
            DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange()
                                                               {
                                                                   RangeType = DescriptorRangeType.ShaderResourceView, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue, BaseShaderRegister = 0
                                                               } };

            StaticSamplerDescription sampler = new StaticSamplerDescription()
            {
                Filter           = Filter.MinimumMinMagMipPoint,
                AddressU         = TextureAddressMode.Border,
                AddressV         = TextureAddressMode.Border,
                AddressW         = TextureAddressMode.Border,
                MipLODBias       = 0,
                MaxAnisotropy    = 0,
                ComparisonFunc   = Comparison.Never,
                BorderColor      = StaticBorderColor.TransparentBlack,
                MinLOD           = 0.0f,
                MaxLOD           = float.MaxValue,
                ShaderRegister   = 0,
                RegisterSpace    = 0,
                ShaderVisibility = ShaderVisibility.Pixel,
            };

            RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.Pixel, ranges) };


            RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters, new StaticSamplerDescription[] { sampler });

            rootSignature = device.CreateRootSignature(0, rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.
#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout        = new InputLayoutDescription(inputElementDescs),
                RootSignature      = rootSignature,
                VertexShader       = vertexShader,
                PixelShader        = pixelShader,
                RasterizerState    = RasterizerStateDescription.Default(),
                BlendState         = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState  = new DepthStencilStateDescription()
                {
                    IsDepthEnabled = false, IsStencilEnabled = false
                },
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Create the command list.
            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);

            // Create the vertex buffer.
            float aspectRatio = viewport.Width / viewport.Height;

            // Define the geometry for a triangle.
            Vertex[] triangleVertices = new Vertex[]
            {
                new Vertex()
                {
                    position = new Vector3(0.0f, 0.25f * aspectRatio, 0.0f), uv = new Vector2(0.5f, 0.0f)
                },
                new Vertex()
                {
                    position = new Vector3(0.25f, -0.25f * aspectRatio, 0.0f), uv = new Vector2(1.0f, 1.0f)
                },
                new Vertex()
                {
                    position = new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f), uv = new Vector2(0.0f, 1.0f)
                },
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes  = Utilities.SizeOf <Vertex>();
            vertexBufferView.SizeInBytes    = vertexBufferSize;

            Resource textureUploadHeap;

            // Create the texture.
            // Describe and create a Texture2D.
            ResourceDescription textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight);
            texture = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, textureDesc, ResourceStates.CopyDestination);

            long uploadBufferSize = GetRequiredIntermediateSize(this.texture, 0, 1);

            // Create the GPU upload buffer.
            textureUploadHeap = device.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None, ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight), ResourceStates.GenericRead);

            // Copy data to the intermediate upload heap and then schedule a copy
            // from the upload heap to the Texture2D.
            byte[] textureData = GenerateTextureData();

            GCHandle handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
            IntPtr   ptr    = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
            textureUploadHeap.WriteToSubresource(0, null, ptr, TexturePixelSize * TextureWidth, textureData.Length);
            handle.Free();

            commandList.CopyTextureRegion(new TextureCopyLocation(texture, 0), 0, 0, 0, new TextureCopyLocation(textureUploadHeap, 0), null);

            commandList.ResourceBarrierTransition(this.texture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);

            // Describe and create a SRV for the texture.
            ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription()
            {
                Shader4ComponentMapping = D3DXUtilities.DefaultComponentMapping(),
                Format    = textureDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture2D,
            };
            srvDesc.Texture2D.MipLevels = 1;

            device.CreateShaderResourceView(this.texture, srvDesc, shaderRenderViewHeap.CPUDescriptorHandleForHeapStart);

            // Command lists are created in the recording state, but there is nothing
            // to record yet. The main loop expects it to be closed, so close it now.
            commandList.Close();

            commandQueue.ExecuteCommandList(commandList);

            // Create synchronization objects.
            fence      = device.CreateFence(0, FenceFlags.None);
            fenceValue = 1;

            // Create an event handle to use for frame synchronization.
            fenceEvent = new AutoResetEvent(false);


            WaitForPreviousFrame();

            //release temp texture
            textureUploadHeap.Dispose();
        }
Пример #19
0
        public void BuildPSO(Device3 device, GraphicsCommandList commandList)
        {
            World        = Matrix.Translation(-2.5f, -2.5f, -2.5f);
            buffer.World = World;
            light        = new Lighting
            {
                GlobalAmbientX = 1,
                GlobalAmbientY = 1,
                GlobalAmbientZ = 1,
                KaX            = .1f,
                KaY            = .1f,
                KaZ            = .1f,
                KdX            = .5f,
                KdY            = .5f,
                KdZ            = .5f,
                KeX            = .25f,
                KeY            = .25f,
                KeZ            = .25f,
                KsX            = .1f,
                KsY            = .1f,
                KsZ            = .1f,
                LightColorX    = 1,
                LightColorY    = 1,
                LightColorZ    = 1,
                LightPositionX = 10,
                LightPositionY = 10,
                LightPositionZ = 10,
                shininess      = 5
            };

            DescriptorHeapDescription srvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = 1,
                Flags           = DescriptorHeapFlags.ShaderVisible,
                Type            = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
            };

            _srvDescriptorHeap = device.CreateDescriptorHeap(srvHeapDesc);

            //setup descriptor ranges
            DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange()
                                                               {
                                                                   RangeType = DescriptorRangeType.ShaderResourceView, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue, BaseShaderRegister = 0
                                                               } };

            //Get sampler state setup
            StaticSamplerDescription sampler = new StaticSamplerDescription()
            {
                Filter           = Filter.MinimumMinMagMipPoint,
                AddressU         = TextureAddressMode.Border,
                AddressV         = TextureAddressMode.Border,
                AddressW         = TextureAddressMode.Border,
                MipLODBias       = 0,
                MaxAnisotropy    = 0,
                ComparisonFunc   = Comparison.Never,
                BorderColor      = StaticBorderColor.TransparentBlack,
                MinLOD           = 0.0f,
                MaxLOD           = float.MaxValue,
                ShaderRegister   = 0,
                RegisterSpace    = 0,
                ShaderVisibility = ShaderVisibility.Pixel,
            };

            Projection = Matrix.PerspectiveFovLH((float)Math.PI / 3f, 4f / 3f, 1, 1000);
            View       = Matrix.LookAtLH(new Vector3(10 * (float)Math.Sin(rotation), 5, 10 * (float)Math.Cos(rotation)), Vector3.Zero, Vector3.UnitY);
            World      = Matrix.Translation(-2.5f, -2.5f, -2.5f);

            DescriptorHeapDescription cbvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = 1,
                Flags           = DescriptorHeapFlags.ShaderVisible,
                Type            = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
            };

            _objectViewHeap   = device.CreateDescriptorHeap(cbvHeapDesc);
            _lightingViewHeap = device.CreateDescriptorHeap(cbvHeapDesc);

            RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.Pixel, ranges),
                                                                   new RootParameter(ShaderVisibility.All, new RootDescriptor(1, 0), RootParameterType.ConstantBufferView),
                                                                   new RootParameter(ShaderVisibility.All, new RootDescriptor(2, 0), RootParameterType.ConstantBufferView) };


            // Create an empty root signature.
            RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters, new StaticSamplerDescription[] { sampler });

            _rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.

#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/LitVertex.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/LitVertex.hlsl", "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/LitVertex.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/LitVertex.hlsl", "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("NORMAL", 0, Format.R32G32B32_Float, 12, 0),
                new InputElement("TEXCOORD", 0, Format.R32G32_Float, 24, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout           = new InputLayoutDescription(inputElementDescs),
                RootSignature         = _rootSignature,
                VertexShader          = vertexShader,
                PixelShader           = pixelShader,
                RasterizerState       = RasterizerStateDescription.Default(),
                BlendState            = BlendStateDescription.Default(),
                DepthStencilFormat    = SharpDX.DXGI.Format.D24_UNorm_S8_UInt,
                DepthStencilState     = DepthStencilStateDescription.Default(),
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            _pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Define the geometry for a triangle.
            Vertex[] triangleVertices = new Vertex[]
            {
                //Front
                new Vertex()
                {
                    Position = new Vector3(0, 0, 0), TexCoord = new Vector2(1, 1), Normal = -Vector3.UnitZ
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 0), TexCoord = new Vector2(1, 0), Normal = -Vector3.UnitZ
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 0), TexCoord = new Vector2(0, 1), Normal = -Vector3.UnitZ
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 0), TexCoord = new Vector2(0, 0), Normal = -Vector3.UnitZ
                },

                //Back
                new Vertex()
                {
                    Position = new Vector3(0, 0, 5), TexCoord = new Vector2(1, 1), Normal = Vector3.UnitZ
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 5), TexCoord = new Vector2(1, 0), Normal = Vector3.UnitZ
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 5), TexCoord = new Vector2(0, 1), Normal = Vector3.UnitZ
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 5), TexCoord = new Vector2(0, 0), Normal = Vector3.UnitZ
                },

                //Left
                new Vertex()
                {
                    Position = new Vector3(0, 0, 0), TexCoord = new Vector2(1, 1), Normal = -Vector3.UnitX
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 0), TexCoord = new Vector2(1, 0), Normal = -Vector3.UnitX
                },
                new Vertex()
                {
                    Position = new Vector3(0, 0, 5), TexCoord = new Vector2(0, 1), Normal = -Vector3.UnitX
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 5), TexCoord = new Vector2(0, 0), Normal = -Vector3.UnitX
                },

                //Right
                new Vertex()
                {
                    Position = new Vector3(5, 0, 0), TexCoord = new Vector2(1, 1), Normal = Vector3.UnitX
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 0), TexCoord = new Vector2(1, 0), Normal = Vector3.UnitX
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 5), TexCoord = new Vector2(0, 1), Normal = Vector3.UnitX
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 5), TexCoord = new Vector2(0, 0), Normal = Vector3.UnitX
                },

                //Top
                new Vertex()
                {
                    Position = new Vector3(0, 0, 0), TexCoord = new Vector2(1, 1), Normal = -Vector3.UnitY
                },
                new Vertex()
                {
                    Position = new Vector3(0, 0, 5), TexCoord = new Vector2(1, 0), Normal = -Vector3.UnitY
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 0), TexCoord = new Vector2(0, 1), Normal = -Vector3.UnitY
                },
                new Vertex()
                {
                    Position = new Vector3(5, 0, 5), TexCoord = new Vector2(0, 0), Normal = -Vector3.UnitY
                },

                //Bottom
                new Vertex()
                {
                    Position = new Vector3(0, 5, 0), TexCoord = new Vector2(1, 1), Normal = Vector3.UnitY
                },
                new Vertex()
                {
                    Position = new Vector3(0, 5, 5), TexCoord = new Vector2(1, 0), Normal = Vector3.UnitY
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 0), TexCoord = new Vector2(0, 1), Normal = Vector3.UnitY
                },
                new Vertex()
                {
                    Position = new Vector3(5, 5, 5), TexCoord = new Vector2(0, 0), Normal = Vector3.UnitY
                }
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            _vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = _vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            _vertexBuffer.Unmap(0);

            _indicies = new int[] { 0, 1, 2,
                                    3, 2, 1,
                                    6, 5, 4,
                                    5, 6, 7,

                                    10, 9, 8,
                                    9, 10, 11,
                                    12, 13, 14,
                                    15, 14, 13,

                                    18, 17, 16,
                                    17, 18, 19,
                                    20, 21, 22,
                                    23, 22, 21 };

            int indBufferSize = Utilities.SizeOf(_indicies);

            _indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indBufferSize), ResourceStates.GenericRead);

            IntPtr pIndBegin = _indexBuffer.Map(0);
            Utilities.Write(pIndBegin, _indicies, 0, _indicies.Length);
            _indexBuffer.Unmap(0);

            _indexBufferView = new IndexBufferView()
            {
                BufferLocation = _indexBuffer.GPUVirtualAddress,
                Format         = Format.R32_UInt,
                SizeInBytes    = indBufferSize
            };

            // Initialize the vertex buffer view.
            _vertexBufferView = new VertexBufferView
            {
                BufferLocation = _vertexBuffer.GPUVirtualAddress,
                StrideInBytes  = Utilities.SizeOf <Vertex>(),
                SizeInBytes    = vertexBufferSize
            };

            _objectBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(Utilities.SizeOf <ObjectData>()), ResourceStates.GenericRead);

            //// Describe and create a constant buffer view.
            ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = _objectBuffer.GPUVirtualAddress,
                SizeInBytes    = (Utilities.SizeOf <ObjectData>() + 255) & ~255
            };
            device.CreateConstantBufferView(cbvDesc, _objectViewHeap.CPUDescriptorHandleForHeapStart);

            // Initialize and map the constant buffers. We don't unmap this until the
            // app closes. Keeping things mapped for the lifetime of the resource is okay.
            _objectPointer = _objectBuffer.Map(0);
            Utilities.Write(_objectPointer, ref buffer);

            _lightingBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(Utilities.SizeOf <Lighting>()), ResourceStates.GenericRead);

            //// Describe and create a constant buffer view.
            ConstantBufferViewDescription cbvDesc2 = new ConstantBufferViewDescription()
            {
                BufferLocation = _objectBuffer.GPUVirtualAddress,
                SizeInBytes    = (Utilities.SizeOf <Lighting>() + 255) & ~255
            };
            device.CreateConstantBufferView(cbvDesc2, _lightingViewHeap.CPUDescriptorHandleForHeapStart);

            // Initialize and map the constant buffers. We don't unmap this until the
            // app closes. Keeping things mapped for the lifetime of the resource is okay.
            _lightingPointer = _lightingBuffer.Map(0);
            Utilities.Write(_lightingPointer, ref light);

            Resource textureUploadHeap;

            // Create the texture.
            // Describe and create a Texture2D.
            ResourceDescription textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, textureWidth, textureHeight);
            _texture = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, textureDesc, ResourceStates.CopyDestination);

            long uploadBufferSize = GetRequiredIntermediateSize(device, _texture, 0, 1);

            // Create the GPU upload buffer.
            textureUploadHeap = device.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None, ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, textureWidth, textureHeight), ResourceStates.GenericRead);

            // Copy data to the intermediate upload heap and then schedule a copy
            // from the upload heap to the Texture2D.
            byte[] textureData = GenerateTextureData();

            GCHandle handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
            IntPtr   ptr    = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
            textureUploadHeap.WriteToSubresource(0, null, ptr, 4 * textureWidth, textureData.Length);
            handle.Free();

            commandList.CopyTextureRegion(new TextureCopyLocation(_texture, 0), 0, 0, 0, new TextureCopyLocation(textureUploadHeap, 0), null);

            commandList.ResourceBarrierTransition(_texture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);

            // Describe and create a SRV for the texture.
            ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription()
            {
                Shader4ComponentMapping = ComponentMapping(0, 1, 2, 3),
                Format    = textureDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture2D,
            };
            srvDesc.Texture2D.MipLevels = 1;

            device.CreateShaderResourceView(_texture, srvDesc, _srvDescriptorHeap.CPUDescriptorHandleForHeapStart);

            _resources = new[] { new GraphicsResource()
                                 {
                                     Heap = _srvDescriptorHeap, Register = 0, type = ResourceType.DescriptorTable
                                 },
                                 new GraphicsResource()
                                 {
                                     Resource = _objectBuffer, Register = 2, type = ResourceType.ConstantBufferView
                                 },
                                 new GraphicsResource()
                                 {
                                     Resource = _lightingBuffer, Register = 1, type = ResourceType.ConstantBufferView
                                 } };
        }
Пример #20
0
        private void LoadAssets()
        {
            // Create an empty root signature.
            var rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout);

            rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.

#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            var inputElementDescs = new []
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 12, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            var psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout        = new InputLayoutDescription(inputElementDescs),
                RootSignature      = rootSignature,
                VertexShader       = vertexShader,
                PixelShader        = pixelShader,
                RasterizerState    = RasterizerStateDescription.Default(),
                BlendState         = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState  = new DepthStencilStateDescription()
                {
                    IsDepthEnabled = false, IsStencilEnabled = false
                },
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Create the command list.
            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);

            // Create the vertex buffer.
            float aspectRatio = viewport.Width / viewport.Height;

            // Define the geometry for a triangle.
            var triangleVertices = new []
            {
                new Vertex()
                {
                    Position = new Vector3(0.0f, 0.25f * aspectRatio, 0.0f), Color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
                },
                new Vertex()
                {
                    Position = new Vector3(0.25f, -0.25f * aspectRatio, 0.0f), Color = new Vector4(0.0f, 1.0f, 0.0f, 1.0f)
                },
                new Vertex()
                {
                    Position = new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f), Color = new Vector4(0.0f, 0.0f, 1.0f, 1.0f)
                },
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes  = Utilities.SizeOf <Vertex>();
            vertexBufferView.SizeInBytes    = vertexBufferSize;

            // Command lists are created in the recording state, but there is nothing
            // to record yet. The main loop expects it to be closed, so close it now.
            commandList.Close();

            // Create synchronization objects.
            fence      = device.CreateFence(0, FenceFlags.None);
            fenceValue = 1;

            // Create an event handle to use for frame synchronization.
            fenceEvent = new AutoResetEvent(false);
        }
        private void BuildTerrainResouces()
        {
            float[] HeightMapData = new float[100 * 100];
            for (int i = 0; i < 100; i++)
            {
                for (int j = 0; j < 100; j++)
                {
                    HeightMapData[i * 100 + j] = Convert.ToSingle(Math.Cos(Math.PI * 2 * i) * Math.Sin(Math.PI * 2 * j));
                }
            }
            var Tex = Texture.LoadFromFile("../../", "Terrain.jpg");

            ResourceDescription HeighMapDesc       = ResourceDescription.Texture2D(Format.R32_Float, 100, 100, 1);
            ResourceDescription TerrainTextureDesc = ResourceDescription.Texture2D(Tex[0].ColorFormat, Tex[0].Width, Tex[0].Height, 1);

            HeightMap = device.CreateCommittedResource(
                new HeapProperties(HeapType.Upload),
                HeapFlags.None,
                HeighMapDesc,
                ResourceStates.GenericRead, null);
            TerrainTexture = device.CreateCommittedResource(
                new HeapProperties(HeapType.Upload),
                HeapFlags.None,
                HeighMapDesc,
                ResourceStates.GenericRead, null);
            TerrainCBF = device.CreateCommittedResource(
                new HeapProperties(HeapType.Upload),
                HeapFlags.None,
                ResourceDescription.Buffer(1024 * 64),
                ResourceStates.GenericRead);

            GCHandle handle = GCHandle.Alloc(HeightMapData, GCHandleType.Pinned);
            IntPtr   ptr    = Marshal.UnsafeAddrOfPinnedArrayElement(HeightMapData, 0);

            HeightMap.WriteToSubresource(0, null, ptr, 100 * 4, HeightMapData.Length);
            handle.Free();

            handle = GCHandle.Alloc(Tex[0].Data, GCHandleType.Pinned);
            ptr    = Marshal.UnsafeAddrOfPinnedArrayElement(Tex[0].Data, 0);
            TerrainTexture.WriteToSubresource(0, null, ptr, Tex[0].Width * Tex[0].PixelWdith, Tex[0].Data.Length);
            handle.Free();

            device.CreateShaderResourceView(
                HeightMap,
                new ShaderResourceViewDescription
            {
                Shader4ComponentMapping = ((((0) & 0x7) | (((1) & 0x7) << 3) | (((2) & 0x7) << (3 * 2)) | (((3) & 0x7) << (3 * 3)) | (1 << (3 * 4)))),
                Format    = HeighMapDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture2D,
                Texture2D =
                {
                    MipLevels           = 1,
                    MostDetailedMip     = 0,
                    PlaneSlice          = 0,
                    ResourceMinLODClamp = 0.0f
                }
            },
                terrainHeap.CPUDescriptorHandleForHeapStart);

            device.CreateShaderResourceView(
                TerrainTexture,
                new ShaderResourceViewDescription
            {
                Shader4ComponentMapping = ((((0) & 0x7) | (((1) & 0x7) << 3) | (((2) & 0x7) << (3 * 2)) | (((3) & 0x7) << (3 * 3)) | (1 << (3 * 4)))),
                Format    = HeighMapDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture2D,
                Texture2D =
                {
                    MipLevels           = 1,
                    MostDetailedMip     = 0,
                    PlaneSlice          = 0,
                    ResourceMinLODClamp = 0.0f
                }
            },
                terrainHeap.CPUDescriptorHandleForHeapStart +
                device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView));

            //==========
            TerrainCBF = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);
            device.CreateConstantBufferView(
                new ConstantBufferViewDescription()
            {
                BufferLocation = TerrainCBF.GPUVirtualAddress,
                SizeInBytes    = (Utilities.SizeOf <ConstantBufferData>() + 255) & ~255
            },
                terrainHeap.CPUDescriptorHandleForHeapStart +
                device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView) * 2);

            TerrainCBFData = new ConstantBufferData
            {
                World     = Matrix.Identity,
                View      = Matrix.Identity,
                Project   = Matrix.Identity,
                TexsCount = 1
            };

            TerrainCBFPointer = TerrainCBF.Map(0);

            Vertex[] TerrainVertex = new Vertex[100 * 100];
            for (int i = 0; i < 100; i++)
            {
                for (int j = 0; j < 100; j++)
                {
                    TerrainVertex[i * 100 + j].Position = new Vector3(i, 0, j);
                    TerrainVertex[i * 100 + j].TexCoord = new Vector2(i / 2 == 0? 0 : 1, j / 2 == 0? 0 : 1);
                }
            }
            TerrainVertexBuffer = device.CreateCommittedResource(
                new HeapProperties(HeapType.Upload),
                HeapFlags.None,
                ResourceDescription.Buffer(Utilities.SizeOf(TerrainVertex)),
                ResourceStates.GenericRead);
            Utilities.Write(TerrainVertexBuffer.Map(0), TerrainVertex, 0, TerrainVertex.Length);
            vertexBuffer.Unmap(0);

            TerrainVertexBufferView = new VertexBufferView()
            {
                BufferLocation = TerrainVertexBuffer.GPUVirtualAddress,
                StrideInBytes  = Utilities.SizeOf <Vertex>(),
                SizeInBytes    = Utilities.SizeOf(TerrainVertex)
            };
        }
        private void LoadRenderTargetData()
        {
            // Define the geometry for a quad.
            Vertex[] quadBuffer = new Vertex[]
            {
                new Vertex()
                {
                    position = new Vector3(-1, -1, 0), textureCoordinate = new Vector3(0, 1, 0)
                },
                new Vertex()
                {
                    position = new Vector3(-1, 1, 0), textureCoordinate = new Vector3(0, 0, 0)
                },
                new Vertex()
                {
                    position = new Vector3(1, -1, 0), textureCoordinate = new Vector3(1, 1, 0)
                },

                new Vertex()
                {
                    position = new Vector3(-1, 1, 0), textureCoordinate = new Vector3(0, 0, 0)
                },
                new Vertex()
                {
                    position = new Vector3(1, 1, 0), textureCoordinate = new Vector3(1, 0, 0)
                },
                new Vertex()
                {
                    position = new Vector3(1, -1, 0), textureCoordinate = new Vector3(1, 1, 0)
                },
            };

            int vertexBufferSize = Utilities.SizeOf(quadBuffer);

            quadVertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            IntPtr pointer = quadVertexBuffer.Map(0);

            Utilities.Write(pointer, quadBuffer, 0, 6);
            quadVertexBuffer.Unmap(0);


            quadVertexBufferView = new VertexBufferView();
            quadVertexBufferView.BufferLocation = quadVertexBuffer.GPUVirtualAddress;
            quadVertexBufferView.StrideInBytes  = Utilities.SizeOf <Vertex>();
            quadVertexBufferView.SizeInBytes    = vertexBufferSize;


            //Render Target
            ClearValue renderTargetOptimizedClearValue = new ClearValue()
            {
                Format = Format.R8G8B8A8_UNorm,
                Color  = new Vector4(0, 0.2F, 0.4f, 1)
            };

            postProcessingRenderTarget = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None,
                                                                        new ResourceDescription(ResourceDimension.Texture2D, 0, TargetSize, TargetSize, 1, 0, Format.R8G8B8A8_UNorm, 1, 0, TextureLayout.Unknown, ResourceFlags.AllowRenderTarget), ResourceStates.RenderTarget, renderTargetOptimizedClearValue);

            CpuDescriptorHandle rtvHandle = renderTargetViewHeap.CPUDescriptorHandleForHeapStart + device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView) * 2;

            device.CreateRenderTargetView(postProcessingRenderTarget, null, rtvHandle);


            //Shader Resource View
            int D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING = 5768;
            ShaderResourceViewDescription desc           = new ShaderResourceViewDescription
            {
                Dimension = ShaderResourceViewDimension.Texture2D,
                Format    = postProcessingRenderTarget.Description.Format,
                Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING,
            };

            desc.Texture2D.MipLevels           = 1;
            desc.Texture2D.MostDetailedMip     = 0;
            desc.Texture2D.ResourceMinLODClamp = 0;

            //Create Render Target View
            //position start after first constant buffer and textures
            device.CreateShaderResourceView(postProcessingRenderTarget, desc, resourceViewHeap.CPUDescriptorHandleForHeapStart + device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView) * renderTargetViewPosition);

            //Depth Target
            ClearValue depthOptimizedClearValue = new ClearValue()
            {
                Format       = Format.D32_Float,
                DepthStencil = new DepthStencilValue()
                {
                    Depth = 1.0F, Stencil = 0
                },
            };

            postProcessingDepthTarget = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None,
                                                                       new ResourceDescription(ResourceDimension.Texture2D, 0, TargetSize, TargetSize, 1, 0, Format.D32_Float, 1, 0, TextureLayout.Unknown, ResourceFlags.AllowDepthStencil), ResourceStates.DepthWrite, depthOptimizedClearValue);

            CpuDescriptorHandle dpsHandle = depthStencilViewHeap.CPUDescriptorHandleForHeapStart + device.GetDescriptorHandleIncrementSize(DescriptorHeapType.DepthStencilView);

            device.CreateDepthStencilView(postProcessingDepthTarget, null, dpsHandle);


            //Shader

#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("postProcessing.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("postProcessing.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("NORMAL", 0, Format.R32G32B32_Float, 12, 0),
                new InputElement("TEXCOORD", 0, Format.R32G32B32_Float, 24, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout           = new InputLayoutDescription(inputElementDescs),
                RootSignature         = rootSignature,
                VertexShader          = vertexShader,
                PixelShader           = pixelShader,
                RasterizerState       = RasterizerStateDescription.Default(),
                BlendState            = BlendStateDescription.Default(),
                DepthStencilFormat    = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState     = DepthStencilStateDescription.Default(),
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            postProcessingPipelineState = device.CreateGraphicsPipelineState(psoDesc);

            //constant Buffer
            int constantBufferSize = (Utilities.SizeOf <PostProcessingData>() + 255) & ~255;
            postProcessingConstantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(constantBufferSize), ResourceStates.GenericRead);

            //constant buffer
            ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = postProcessingConstantBuffer.GPUVirtualAddress,
                SizeInBytes    = constantBufferSize
            };

            var heapPosition = resourceViewHeap.CPUDescriptorHandleForHeapStart + device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView) * renderTargetConstantBufferPosition;
            device.CreateConstantBufferView(cbvDesc, heapPosition);
        }
        private void LoadAssets()
        {
            DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange() { RangeType = DescriptorRangeType.ConstantBufferView, BaseShaderRegister = 0, DescriptorCount = 1 } };
            RootParameter parameter = new RootParameter(ShaderVisibility.Vertex, ranges);

            // Create a root signature.
            RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, new RootParameter[] { parameter });
            rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.

            #if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
            #endif

            #if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
            #endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                    new InputElement("POSITION",0,Format.R32G32B32_Float,0,0),
                    new InputElement("COLOR",0,Format.R32G32B32A32_Float,12,0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout = new InputLayoutDescription(inputElementDescs),
                RootSignature = rootSignature,
                VertexShader = vertexShader,
                PixelShader = pixelShader,
                RasterizerState = RasterizerStateDescription.Default(),
                BlendState = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState = DepthStencilStateDescription.Default(),
                SampleMask = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount = 1,
                Flags = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Create the command list.
            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);

            // Command lists are created in the recording state, but there is nothing
            // to record yet. The main loop expects it to be closed, so close it now.
            commandList.Close();

            // Create the vertex buffer.
            float aspectRatio = viewport.Width / viewport.Height;

            // Define the geometry for a cube.

            Vertex[] vertices = new[]
            {
                ////TOP
                new Vertex(new Vector3(-5,5,5),new Vector4(0,1,0,0)),
                new Vertex(new Vector3(5,5,5),new Vector4(0,1,0,0)),
                new Vertex(new Vector3(5,5,-5),new Vector4(0,1,0,0)),
                new Vertex(new Vector3(-5,5,-5),new Vector4(0,1,0,0)),
                //BOTTOM
                new Vertex(new Vector3(-5,-5,5),new Vector4(1,0,1,1)),
                new Vertex(new Vector3(5,-5,5),new Vector4(1,0,1,1)),
                new Vertex(new Vector3(5,-5,-5),new Vector4(1,0,1,1)),
                new Vertex(new Vector3(-5,-5,-5),new Vector4(1,0,1,1)),
                //LEFT
                new Vertex(new Vector3(-5,-5,5),new Vector4(1,0,0,1)),
                new Vertex(new Vector3(-5,5,5),new Vector4(1,0,0,1)),
                new Vertex(new Vector3(-5,5,-5),new Vector4(1,0,0,1)),
                new Vertex(new Vector3(-5,-5,-5),new Vector4(1,0,0,1)),
                //RIGHT
                new Vertex(new Vector3(5,-5,5),new Vector4(1,1,0,1)),
                new Vertex(new Vector3(5,5,5),new Vector4(1,1,0,1)),
                new Vertex(new Vector3(5,5,-5),new Vector4(1,1,0,1)),
                new Vertex(new Vector3(5,-5,-5),new Vector4(1,1,0,1)),
                //FRONT
                new Vertex(new Vector3(-5,5,5),new Vector4(0,1,1,1)),
                new Vertex(new Vector3(5,5,5),new Vector4(0,1,1,1)),
                new Vertex(new Vector3(5,-5,5),new Vector4(0,1,1,1)),
                new Vertex(new Vector3(-5,-5,5),new Vector4(0,1,1,1)),
                //BACK
                new Vertex(new Vector3(-5,5,-5),new Vector4(0,0,1,1)),
                new Vertex(new Vector3(5,5,-5),new Vector4(0,0,1,1)),
                new Vertex(new Vector3(5,-5,-5),new Vector4(0,0,1,1)),
                new Vertex(new Vector3(-5,-5,-5),new Vector4(0,0,1,1))
            };

            int vertexBufferSize = Utilities.SizeOf(vertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, vertices, 0, vertices.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>();
            vertexBufferView.SizeInBytes = vertexBufferSize;

            //Create Index Buffer
            //Indices
            int[] indices = new int[]
            {
                0,1,2,0,2,3,
                4,6,5,4,7,6,
                8,9,10,8,10,11,
                12,14,13,12,15,14,
                16,18,17,16,19,18,
                20,21,22,20,22,23
            };
            int indexBufferSize = Utilities.SizeOf(indices);

            indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pIndexDataBegin = indexBuffer.Map(0);
            Utilities.Write(pIndexDataBegin, indices, 0, indices.Length);
            indexBuffer.Unmap(0);

            // Initialize the index buffer view.
            indexBufferView = new IndexBufferView();
            indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
            indexBufferView.Format = Format.R32_UInt;
            indexBufferView.SizeInBytes = indexBufferSize;

            //constant Buffer for each cubes
            constantBufferViewHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription()
            {
                DescriptorCount = NumCubes,
                Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView,
                Flags = DescriptorHeapFlags.ShaderVisible
            });

            int constantBufferSize = (Utilities.SizeOf<Transform>() + 255) & ~255;
            constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(constantBufferSize * NumCubes), ResourceStates.GenericRead);
            constantBufferDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);

            //First cube
            ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = constantBuffer.GPUVirtualAddress,
                SizeInBytes = constantBufferSize
            };

            CpuDescriptorHandle cbHandleHeapStart = constantBufferViewHeap.CPUDescriptorHandleForHeapStart;

            for (int i = 0; i < NumCubes; i++)
            {
                device.CreateConstantBufferView(cbvDesc, cbHandleHeapStart);
                cbvDesc.BufferLocation += Utilities.SizeOf<Transform>();
                cbHandleHeapStart += constantBufferDescriptorSize;
            }

            InitBundles();
        }
Пример #24
0
        private void LoadAssets()
        {
            DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange()
                                                               {
                                                                   RangeType = DescriptorRangeType.ConstantBufferView, BaseShaderRegister = 0, DescriptorCount = 1
                                                               } };
            RootParameter parameter = new RootParameter(ShaderVisibility.Vertex, ranges);

            // Create a root signature.
            RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, new RootParameter[] { parameter });

            rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.

#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 12, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout           = new InputLayoutDescription(inputElementDescs),
                RootSignature         = rootSignature,
                VertexShader          = vertexShader,
                PixelShader           = pixelShader,
                RasterizerState       = RasterizerStateDescription.Default(),
                BlendState            = BlendStateDescription.Default(),
                DepthStencilFormat    = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState     = DepthStencilStateDescription.Default(),
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Create the command list.
            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);

            // Command lists are created in the recording state, but there is nothing
            // to record yet. The main loop expects it to be closed, so close it now.
            commandList.Close();

            // Create the vertex buffer.
            float aspectRatio = viewport.Width / viewport.Height;

            // Define the geometry for a cube.

            Vertex[] vertices = new[]
            {
                ////TOP
                new Vertex(new Vector3(-5, 5, 5), new Vector4(0, 1, 0, 0)),
                new Vertex(new Vector3(5, 5, 5), new Vector4(0, 1, 0, 0)),
                new Vertex(new Vector3(5, 5, -5), new Vector4(0, 1, 0, 0)),
                new Vertex(new Vector3(-5, 5, -5), new Vector4(0, 1, 0, 0)),
                //BOTTOM
                new Vertex(new Vector3(-5, -5, 5), new Vector4(1, 0, 1, 1)),
                new Vertex(new Vector3(5, -5, 5), new Vector4(1, 0, 1, 1)),
                new Vertex(new Vector3(5, -5, -5), new Vector4(1, 0, 1, 1)),
                new Vertex(new Vector3(-5, -5, -5), new Vector4(1, 0, 1, 1)),
                //LEFT
                new Vertex(new Vector3(-5, -5, 5), new Vector4(1, 0, 0, 1)),
                new Vertex(new Vector3(-5, 5, 5), new Vector4(1, 0, 0, 1)),
                new Vertex(new Vector3(-5, 5, -5), new Vector4(1, 0, 0, 1)),
                new Vertex(new Vector3(-5, -5, -5), new Vector4(1, 0, 0, 1)),
                //RIGHT
                new Vertex(new Vector3(5, -5, 5), new Vector4(1, 1, 0, 1)),
                new Vertex(new Vector3(5, 5, 5), new Vector4(1, 1, 0, 1)),
                new Vertex(new Vector3(5, 5, -5), new Vector4(1, 1, 0, 1)),
                new Vertex(new Vector3(5, -5, -5), new Vector4(1, 1, 0, 1)),
                //FRONT
                new Vertex(new Vector3(-5, 5, 5), new Vector4(0, 1, 1, 1)),
                new Vertex(new Vector3(5, 5, 5), new Vector4(0, 1, 1, 1)),
                new Vertex(new Vector3(5, -5, 5), new Vector4(0, 1, 1, 1)),
                new Vertex(new Vector3(-5, -5, 5), new Vector4(0, 1, 1, 1)),
                //BACK
                new Vertex(new Vector3(-5, 5, -5), new Vector4(0, 0, 1, 1)),
                new Vertex(new Vector3(5, 5, -5), new Vector4(0, 0, 1, 1)),
                new Vertex(new Vector3(5, -5, -5), new Vector4(0, 0, 1, 1)),
                new Vertex(new Vector3(-5, -5, -5), new Vector4(0, 0, 1, 1))
            };

            int vertexBufferSize = Utilities.SizeOf(vertices);


            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, vertices, 0, vertices.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes  = Utilities.SizeOf <Vertex>();
            vertexBufferView.SizeInBytes    = vertexBufferSize;


            //Create Index Buffer
            //Indices
            int[] indices = new int[]
            {
                0, 1, 2, 0, 2, 3,
                4, 6, 5, 4, 7, 6,
                8, 9, 10, 8, 10, 11,
                12, 14, 13, 12, 15, 14,
                16, 18, 17, 16, 19, 18,
                20, 21, 22, 20, 22, 23
            };
            int indexBufferSize = Utilities.SizeOf(indices);

            indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pIndexDataBegin = indexBuffer.Map(0);
            Utilities.Write(pIndexDataBegin, indices, 0, indices.Length);
            indexBuffer.Unmap(0);

            // Initialize the index buffer view.
            indexBufferView = new IndexBufferView();
            indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
            indexBufferView.Format         = Format.R32_UInt;
            indexBufferView.SizeInBytes    = indexBufferSize;

            //constant Buffer for each cubes
            constantBufferViewHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription()
            {
                DescriptorCount = NumCubes,
                Type            = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView,
                Flags           = DescriptorHeapFlags.ShaderVisible
            });

            int constantBufferSize = (Utilities.SizeOf <Transform>() + 255) & ~255;
            constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(constantBufferSize * NumCubes), ResourceStates.GenericRead);
            constantBufferDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);

            //First cube
            ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = constantBuffer.GPUVirtualAddress,
                SizeInBytes    = constantBufferSize
            };

            CpuDescriptorHandle cbHandleHeapStart = constantBufferViewHeap.CPUDescriptorHandleForHeapStart;

            for (int i = 0; i < NumCubes; i++)
            {
                device.CreateConstantBufferView(cbvDesc, cbHandleHeapStart);
                cbvDesc.BufferLocation += Utilities.SizeOf <Transform>();
                cbHandleHeapStart      += constantBufferDescriptorSize;
            }

            InitBundles();
        }
        private void LoadAssets()
        {
            DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange() { RangeType = DescriptorRangeType.ConstantBufferView, BaseShaderRegister = 0, OffsetInDescriptorsFromTableStart = int.MinValue, DescriptorCount = 1 } };
            RootParameter parameter = new RootParameter(ShaderVisibility.Vertex, ranges);

            // Create an empty root signature.
            RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, new RootParameter[] { parameter });
            rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.
            #if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
            #endif

            #if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
            #endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                    new InputElement("POSITION",0,Format.R32G32B32_Float,0,0),
                    new InputElement("COLOR",0,Format.R32G32B32A32_Float,12,0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout = new InputLayoutDescription(inputElementDescs),
                RootSignature = rootSignature,
                VertexShader = vertexShader,
                PixelShader = pixelShader,
                RasterizerState = RasterizerStateDescription.Default(),
                BlendState = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState = new DepthStencilStateDescription() { IsDepthEnabled = false, IsStencilEnabled = false },
                SampleMask = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount = 1,
                Flags = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Create the command list.
            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);

            // Create the vertex buffer.
            float aspectRatio = viewport.Width / viewport.Height;

            // Define the geometry for a triangle.
            Vertex[] triangleVertices = new Vertex[]
            {
                    new Vertex() {position=new Vector3(0.0f, 0.25f * aspectRatio, 0.0f ),color=new Vector4(1.0f, 0.0f, 0.0f, 1.0f ) },
                    new Vertex() {position=new Vector3(0.25f, -0.25f * aspectRatio, 0.0f),color=new Vector4(0.0f, 1.0f, 0.0f, 1.0f) },
                    new Vertex() {position=new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f),color=new Vector4(0.0f, 0.0f, 1.0f, 1.0f ) },
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>();
            vertexBufferView.SizeInBytes = vertexBufferSize;

            // Command lists are created in the recording state, but there is nothing
            // to record yet. The main loop expects it to be closed, so close it now.
            commandList.Close();

            constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);

            //// Describe and create a constant buffer view.
            ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = constantBuffer.GPUVirtualAddress,
                SizeInBytes = (Utilities.SizeOf<ConstantBuffer>() + 255) & ~255
            };
            device.CreateConstantBufferView(cbvDesc, constantBufferViewHeap.CPUDescriptorHandleForHeapStart);

            // Initialize and map the constant buffers. We don't unmap this until the
            // app closes. Keeping things mapped for the lifetime of the resource is okay.
            constantBufferPointer = constantBuffer.Map(0);
            Utilities.Write(constantBufferPointer, ref constantBufferData);

            // Create synchronization objects.
            fence = device.CreateFence(0, FenceFlags.None);
            fenceValue = 1;

            // Create an event handle to use for frame synchronization.
            fenceEvent = new AutoResetEvent(false);
        }
Пример #26
0
        //创建资源
        private void LoadAssets()
        {
            //创建一个空的根签名
            var rootSignatureDesc = new RootSignatureDescription(
                RootSignatureFlags.AllowInputAssemblerInputLayout,
                //根常量
                new[] {
                new RootParameter(ShaderVisibility.All,    //指定可以访问根签名绑定的内容的着色器,这里设置为顶点着色器
                                  new DescriptorRange()
                {
                    RangeType          = DescriptorRangeType.ConstantBufferView, //指定描述符范围,这里的参数是CBV
                    BaseShaderRegister = 0,                                      //指定描述符范围内的基本着色器
                    OffsetInDescriptorsFromTableStart = int.MinValue,            //描述符从根签名开始的偏移量
                    DescriptorCount = 1                                          //描述符范围内的描述符数
                })
            });

            //表示该根签名需要一组顶点缓冲区来绑定
            rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            //创建流水线状态,负责编译和加载着色器
#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VS", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VS", "vs_5_0"));
#endif

//#if DEBUG
//            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PS", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
//#else
//            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PS", "ps_5_0"));
//#endif

            //描述输入装配器阶段的输入元素,这里定义顶点输入布局
            var inputElementDescs = new[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0)
            };

            //创建流水线状态对象(PSO)
            var psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout   = new InputLayoutDescription(inputElementDescs),  //描述输入缓冲器
                RootSignature = rootSignature,                                  //根签名
                VertexShader  = vertexShader,                                   //顶点着色器
                //PixelShader = pixelShader,//像素着色器
                RasterizerState       = RasterizerStateDescription.Default(),   //描述光栅器状态
                BlendState            = BlendStateDescription.Default(),        //描述混合状态
                DepthStencilFormat    = SharpDX.DXGI.Format.D32_Float,          //描述深度/模板格式(纹理资源)
                DepthStencilState     = DepthStencilStateDescription.Default(), //描述深度模板状态
                SampleMask            = int.MaxValue,                           //混合状态的样本掩码
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,         //定义该管道的几何或外壳着色器的输入类型,这里是三角
                RenderTargetCount     = 1,                                      //RTVFormat成员中的渲染目标格式数
                Flags             = PipelineStateFlags.None,                    //用于控制管道状态的标志,这里表示没有标志
                SampleDescription = new SampleDescription(1, 0),                //描述资源的多采样参数
                StreamOutput      = new StreamOutputDescription()               //描述输出缓冲器
            };
            psoDesc.RenderTargetFormats[0] = Format.R8G8B8A8_UNorm;             //描述渲染目标格式的数组

            //设置管道
            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            //创建命令列表
            commandList = device.CreateCommandList(
                CommandListType.Direct, //指定命令列表的创建类型,Direct命令列表不会继承任何GPU状态
                commandAllocator,       //指向设备创建的命令列表对象的指针
                pipelineState);         //指向(管道)内存块的指针

            commandList.Close();

            float aspectRatio = viewPort.Width / viewPort.Height;

            //定义待绘制图形的几何形状
            string bitmapPath = @"C:\Users\yulanli\Desktop\TerrainForm\heightMap.BMP";
            Bitmap bitmap     = new Bitmap(bitmapPath);
            xCount     = (bitmap.Width - 1) / 2;
            yCount     = (bitmap.Height - 1) / 2;
            cellWidth  = bitmap.Width / xCount;
            cellHeight = bitmap.Height / yCount;

            var vertices = new PositionTextured[(xCount + 1) * (yCount + 1)];//定义顶点
            for (int i = 0; i < yCount + 1; i++)
            {
                for (int j = 0; j < xCount + 1; j++)
                {
                    System.Drawing.Color color = bitmap.GetPixel((int)(j * cellWidth), (int)(i * cellHeight));
                    float height = float.Parse(color.R.ToString()) + float.Parse(color.G.ToString()) + float.Parse(color.B.ToString());
                    height /= 10;
                    vertices[j + i * (xCount + 1)].Position = new Vector3(j * cellWidth, height, i * cellHeight);
                    vertices[j + i * (xCount + 1)].Texcoord = new Vector2((float)j / (xCount + 1), (float)i / (yCount + 1));
                }
            }
            texture = TextureLoader.TextureLoader.CreateTextureFromDDS(device, @"C:\Users\yulanli\Desktop\TerrainForm\colorMapDDS.DDS");
            //创建待绘制图形的顶点索引
            indices = new int[6 * xCount * yCount];
            for (int i = 0; i < yCount; i++)
            {
                for (int j = 0; j < xCount; j++)
                {
                    indices[6 * (j + i * xCount)]     = j + i * (xCount + 1);
                    indices[6 * (j + i * xCount) + 1] = j + (i + 1) * (xCount + 1);
                    indices[6 * (j + i * xCount) + 2] = j + i * (xCount + 1) + 1;
                    indices[6 * (j + i * xCount) + 3] = j + i * (xCount + 1) + 1;
                    indices[6 * (j + i * xCount) + 4] = j + (i + 1) * (xCount + 1);
                    indices[6 * (j + i * xCount) + 5] = j + (i + 1) * (xCount + 1) + 1;
                }
            }
            //创建视锥体
            //创建摄像机
            CamTarget = new Vector3(bitmap.Width / 2, 0f, bitmap.Height / 2);
            view      = Matrix.LookAtLH(
                CamPostion,     //摄像机原点
                CamTarget,      //摄像机观察目标点
                Vector3.UnitY); //当前世界的向上方向的向量,通常为(0,1,0),即这里的UnitY参数
            proj = Matrix.Identity;
            proj = Matrix.PerspectiveFovLH(
                (float)Math.PI / 4.0f, //用弧度制表示垂直视场角,这里是45°角
                aspectRatio,           //纵横比
                0.3f,                  //到近平面的距离
                500.0f                 //到远平面的距离
                );
            var worldViewProj = Matrix.Multiply(proj, view);

            //使用上传堆来传递顶点缓冲区的数据

            /*--------------------------------------------------*
            * 不推荐使用上传堆来传递像顶点缓冲区这样的静态数据 *
            * 这里使用上载堆是为了代码的简洁性,并且还因为需要 *
            * 传递的资源很少                                   *
            *--------------------------------------------------*/
            var vertexBufferSize = Utilities.SizeOf(vertices);
            vertexBuffer = device.CreateCommittedResource(
                new HeapProperties(HeapType.Upload),
                HeapFlags.None,
                ResourceDescription.Buffer(vertexBufferSize),
                ResourceStates.GenericRead);

            //将顶点的数据复制到顶点缓冲区
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(
                pVertexDataBegin,
                vertices,
                0,
                vertices.Length);
            vertexBuffer.Unmap(0);

            //初始化顶点缓冲区视图
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes  = Utilities.SizeOf <PositionTextured>();
            vertexBufferView.SizeInBytes    = vertexBufferSize;


            //使用上传堆来传递索引缓冲区的数据
            int indexBufferSize = Utilities.SizeOf(indices);
            indexBuffer = device.CreateCommittedResource(
                new HeapProperties(HeapType.Upload),
                HeapFlags.None,
                ResourceDescription.Buffer(indexBufferSize),
                ResourceStates.GenericRead);

            //将索引的数据复制到索引缓冲区
            IntPtr pIndexDataBegin = indexBuffer.Map(0);
            Utilities.Write(
                pIndexDataBegin,
                indices,
                0,
                indices.Length);
            indexBuffer.Unmap(0);

            //初始化索引缓冲区视图
            indexBufferView = new IndexBufferView();
            indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
            indexBufferView.SizeInBytes    = indexBufferSize;
            indexBufferView.Format         = Format.R32_UInt;

            //创建bundle
            bundle = device.CreateCommandList(
                0,
                CommandListType.Bundle,
                bundleAllocator,
                pipelineState);
            bundle.SetGraphicsRootSignature(rootSignature);
            bundle.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.TriangleList;
            bundle.SetVertexBuffer(0, vertexBufferView);
            bundle.SetIndexBuffer(indexBufferView);

            //bundle.DrawInstanced(
            //   vertices.Length,//VertexCountPerInstance,要绘制的顶点数
            //    1,//InstanceCount,要绘制的实例数,这里是1个
            //    0,//StartVertexLocation,第一个顶点的索引,这里是0
            //    0);//StartInstanceLocation,在从顶点缓冲区读取每个实例数据之前添加到每个索引的值

            bundle.DrawIndexedInstanced(
                indices.Length, //IndexCountPerInstance,要绘制的索引数
                1,              //InstanceCount,要绘制的实例数,这里是1个
                0,              //StartIndexLocation,第一个顶点的索引,这里是0
                0,              //BaseVertexLocation,,从顶点缓冲区读取顶点之前添加到每个索引的值
                0);             //StartInstanceLocation,在从顶点缓冲区读取每个实例数据之前添加到每个索引的值
            bundle.Close();

            //使用上传堆来传递常量缓冲区的数据

            /*--------------------------------------------------*
            * 不推荐使用上传堆来传递像垂直缓冲区这样的静态数据 *
            * 这里使用上载堆是为了代码的简洁性,并且还因为需要 *
            * 传递的资源很少                                   *
            *--------------------------------------------------*/
            constantBuffer = device.CreateCommittedResource(
                new HeapProperties(HeapType.Upload),
                HeapFlags.None,
                ResourceDescription.Buffer(1024 * 64),
                ResourceStates.GenericRead);

            //创建SRV视图
            var srvDesc = new ShaderResourceViewDescription();
            srvDesc.Texture2D.MostDetailedMip     = 0;
            srvDesc.Texture2D.ResourceMinLODClamp = 0.0f;
            device.CreateShaderResourceView(texture, srvDesc, shaderRenderViewHeap.CPUDescriptorHandleForHeapStart);

            //创建常量缓冲区视图(CBV)
            var cbvDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = constantBuffer.GPUVirtualAddress,
                SizeInBytes    = (Utilities.SizeOf <ConstantBuffer>() + 255) & ~255
            };
            device.CreateConstantBufferView(
                cbvDesc,
                constantBufferViewHeap.CPUDescriptorHandleForHeapStart);

            //初始化并映射常量缓冲区

            /*--------------------------------------------------*
            * 直到应用程序关闭,我们才会取消映射,因此在资源的 *
            * 生命周期中保持映射是可以的                       *
            *------------------------------------------------- */
            constantBufferPointer = constantBuffer.Map(0);
            Utilities.Write(constantBufferPointer, ref worldViewProj);

            //创建同步对象
            //创建围栏
            fence = device.CreateFence(
                0,                //围栏的初始值
                FenceFlags.None); //指定围栏的类型,None表示没有指定的类型
            fenceValue = 1;
            //创建用于帧同步的事件句柄
            fenceEvent = new AutoResetEvent(false);
        }
        private void LoadAssets()
        {
            // Create the root signature description.
            var rootSignatureDesc = new RootSignatureDescription(

                RootSignatureFlags.AllowInputAssemblerInputLayout,
                // Root Parameters
                new[]
            {
                new RootParameter(ShaderVisibility.All,
                                  new []
                {
                    new DescriptorRange()
                    {
                        RangeType       = DescriptorRangeType.ShaderResourceView,
                        DescriptorCount = 1,
                        OffsetInDescriptorsFromTableStart = int.MinValue,
                        BaseShaderRegister = 0
                    },
                    new DescriptorRange()
                    {
                        RangeType       = DescriptorRangeType.ConstantBufferView,
                        DescriptorCount = 1,
                        OffsetInDescriptorsFromTableStart = int.MinValue + 1,
                        BaseShaderRegister = 0
                    }
                }),
                new RootParameter(ShaderVisibility.Pixel,
                                  new DescriptorRange()
                {
                    RangeType       = DescriptorRangeType.Sampler,
                    DescriptorCount = 1,
                    OffsetInDescriptorsFromTableStart = int.MinValue,
                    BaseShaderRegister = 0
                }),
            });

            //// Samplers
            //new[]
            //{
            //    new StaticSamplerDescription(ShaderVisibility.Pixel, 0, 0)
            //    {
            //        Filter = Filter.MinimumMinMagMipPoint,
            //        AddressUVW = TextureAddressMode.Border,
            //    }
            //});

            rootSignature = device.CreateRootSignature(0, rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.
#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
#endif

#if DEBUG
            //var result = SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug);
            var geometryShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            var inputElementDescs = new[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            var psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout        = new InputLayoutDescription(inputElementDescs),
                RootSignature      = rootSignature,
                VertexShader       = vertexShader,
                GeometryShader     = geometryShader,
                PixelShader        = pixelShader,
                RasterizerState    = RasterizerStateDescription.Default(),
                BlendState         = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState  = new DepthStencilStateDescription()
                {
                    IsDepthEnabled   = true,
                    DepthComparison  = Comparison.LessEqual,
                    DepthWriteMask   = DepthWriteMask.All,
                    IsStencilEnabled = false
                },
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);
            commandList.Close();

            // build vertex buffer

            var triangleVertices = new[]
            {
                //TOP
                new Vertex()
                {
                    Position = new Vector3(-1f, 1f, 1f), TexCoord = new Vector2(1f, 1f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, 1f, 1f), TexCoord = new Vector2(0f, 1f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, 1f, -1f), TexCoord = new Vector2(0f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(-1f, 1f, -1f), TexCoord = new Vector2(1f, 0f)
                },
                //BOTTOM
                new Vertex()
                {
                    Position = new Vector3(-1f, -1f, 1f), TexCoord = new Vector2(1f, 1f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, -1f, 1f), TexCoord = new Vector2(0f, 1f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, -1f, -1f), TexCoord = new Vector2(0f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(-1f, -1f, -1f), TexCoord = new Vector2(1f, 0f)
                },
                //LEFT
                new Vertex()
                {
                    Position = new Vector3(-1f, -1f, 1f), TexCoord = new Vector2(0f, 1f)
                },
                new Vertex()
                {
                    Position = new Vector3(-1f, 1f, 1f), TexCoord = new Vector2(0f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(-1f, 1f, -1f), TexCoord = new Vector2(1f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(-1f, -1f, -1f), TexCoord = new Vector2(1f, 1f)
                },
                //RIGHT
                new Vertex()
                {
                    Position = new Vector3(1f, -1f, 1f), TexCoord = new Vector2(1f, 1f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, 1f, 1f), TexCoord = new Vector2(1f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, 1f, -1f), TexCoord = new Vector2(0f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, -1f, -1f), TexCoord = new Vector2(0f, 1f)
                },
                //FRONT
                new Vertex()
                {
                    Position = new Vector3(-1f, 1f, 1f), TexCoord = new Vector2(1f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, 1f, 1f), TexCoord = new Vector2(0f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, -1f, 1f), TexCoord = new Vector2(0f, 1f)
                },
                new Vertex()
                {
                    Position = new Vector3(-1f, -1f, 1f), TexCoord = new Vector2(1f, 1f)
                },
                //BACK
                new Vertex()
                {
                    Position = new Vector3(-1f, 1f, -1f), TexCoord = new Vector2(0f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, 1f, -1f), TexCoord = new Vector2(1f, 0f)
                },
                new Vertex()
                {
                    Position = new Vector3(1f, -1f, -1f), TexCoord = new Vector2(1f, 1f)
                },
                new Vertex()
                {
                    Position = new Vector3(-1f, -1f, -1f), TexCoord = new Vector2(0f, 1f)
                }
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            vertexBuffer.Unmap(0);

            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes  = Utilities.SizeOf <Vertex>();
            vertexBufferView.SizeInBytes    = vertexBufferSize;

            // build index buffer

            var triangleIndexes = new uint[]
            {
                0, 1, 2,
                0, 2, 3,

                4, 6, 5,
                4, 7, 6,

                8, 9, 10,
                8, 10, 11,

                12, 14, 13,
                12, 15, 14,

                16, 18, 17,
                16, 19, 18,

                20, 21, 22,
                20, 22, 23
            };

            int indexBufferSize = Utilities.SizeOf(triangleIndexes);

            indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);
            IntPtr pIndexDataBegin = indexBuffer.Map(0);
            Utilities.Write(pIndexDataBegin, triangleIndexes, 0, triangleIndexes.Length);
            indexBuffer.Unmap(0);

            indexBufferView = new IndexBufferView();
            indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
            indexBufferView.SizeInBytes    = indexBufferSize;
            indexBufferView.Format         = Format.R32_UInt;

            // Create the texture.
            // Describe and create a Texture2D.
            var textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight, 1, 1, 1, 0, ResourceFlags.None, TextureLayout.Unknown, 0);
            texture = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, textureDesc, ResourceStates.GenericRead, null);

            // Copy data to the intermediate upload heap and then schedule a copy
            // from the upload heap to the Texture2D.
            byte[] textureData = Utilities.ReadStream(new FileStream("../../texture1.dds", FileMode.Open));

            texture.Name = "Texture";

            var handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
            var ptr    = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
            texture.WriteToSubresource(0, null, ptr, TextureWidth * 4, textureData.Length);
            handle.Free();

            // Describe and create a SRV for the texture.
            var srvDesc = new ShaderResourceViewDescription
            {
                Shader4ComponentMapping = ((((0) & 0x7) | (((1) & 0x7) << 3) | (((2) & 0x7) << (3 * 2)) | (((3) & 0x7) << (3 * 3)) | (1 << (3 * 4)))),

                Format    = textureDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture2D,
                Texture2D =
                {
                    MipLevels           = 1,
                    MostDetailedMip     = 0,
                    PlaneSlice          = 0,
                    ResourceMinLODClamp = 0.0f
                },
            };

            device.CreateShaderResourceView(texture, srvDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart);

            SamplerStateDescription samplerDesc = new SamplerStateDescription
            {
                Filter             = Filter.MinMagMipLinear,
                AddressU           = TextureAddressMode.Clamp,
                AddressV           = TextureAddressMode.Clamp,
                AddressW           = TextureAddressMode.Clamp,
                MaximumAnisotropy  = 0,
                MaximumLod         = float.MaxValue,
                MinimumLod         = -float.MaxValue,
                MipLodBias         = 0,
                ComparisonFunction = Comparison.Never
            };

            device.CreateSampler(samplerDesc, samplerViewHeap.CPUDescriptorHandleForHeapStart);

            // build constant buffer

            constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);

            var cbDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = constantBuffer.GPUVirtualAddress,
                SizeInBytes    = (Utilities.SizeOf <ConstantBufferData>() + 255) & ~255
            };
            var srvCbvStep = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);
            device.CreateConstantBufferView(cbDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart + srvCbvStep);

            constantBufferData = new ConstantBufferData
            {
                Project = Matrix.Identity
            };

            constantBufferPointer = constantBuffer.Map(0);
            Utilities.Write(constantBufferPointer, ref constantBufferData);

            // build depth buffer

            DescriptorHeapDescription descDescriptorHeapDSB = new DescriptorHeapDescription()
            {
                DescriptorCount = 1,
                Type            = DescriptorHeapType.DepthStencilView,
                Flags           = DescriptorHeapFlags.None
            };

            DescriptorHeap      descriptorHeapDSB = device.CreateDescriptorHeap(descDescriptorHeapDSB);
            ResourceDescription descDepth         = new ResourceDescription()
            {
                Dimension         = ResourceDimension.Texture2D,
                DepthOrArraySize  = 1,
                MipLevels         = 0,
                Flags             = ResourceFlags.AllowDepthStencil,
                Width             = (int)viewport.Width,
                Height            = (int)viewport.Height,
                Format            = Format.R32_Typeless,
                Layout            = TextureLayout.Unknown,
                SampleDescription = new SampleDescription()
                {
                    Count = 1
                }
            };

            ClearValue dsvClearValue = new ClearValue()
            {
                Format       = Format.D32_Float,
                DepthStencil = new DepthStencilValue()
                {
                    Depth   = 1.0f,
                    Stencil = 0
                }
            };

            Resource renderTargetDepth = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, descDepth, ResourceStates.GenericRead, dsvClearValue);

            DepthStencilViewDescription depthDSV = new DepthStencilViewDescription()
            {
                Dimension = DepthStencilViewDimension.Texture2D,
                Format    = Format.D32_Float,
                Texture2D = new DepthStencilViewDescription.Texture2DResource()
                {
                    MipSlice = 0
                }
            };

            device.CreateDepthStencilView(renderTargetDepth, depthDSV, descriptorHeapDSB.CPUDescriptorHandleForHeapStart);
            handleDSV = descriptorHeapDSB.CPUDescriptorHandleForHeapStart;

            fence      = device.CreateFence(0, FenceFlags.None);
            fenceValue = 1;
            fenceEvent = new AutoResetEvent(false);
        }
        private void LoadAssets()
        {
            // Create the root signature description.
            var rootSignatureDesc = new RootSignatureDescription(

                RootSignatureFlags.AllowInputAssemblerInputLayout,
                // Root Parameters
                new[]
                {
                    new RootParameter(ShaderVisibility.All,
                        new []
                        {
                            new DescriptorRange()
                            {
                                RangeType = DescriptorRangeType.ShaderResourceView,
                                DescriptorCount = 1,
                                OffsetInDescriptorsFromTableStart = int.MinValue,
                                BaseShaderRegister = 0
                            },
                            new DescriptorRange()
                            {
                                RangeType = DescriptorRangeType.ConstantBufferView,
                                DescriptorCount = 1,
                                OffsetInDescriptorsFromTableStart = int.MinValue + 1,
                                BaseShaderRegister = 0
                            }
                        }),
                    new RootParameter(ShaderVisibility.Pixel,
                        new DescriptorRange()
                        {
                            RangeType = DescriptorRangeType.Sampler,
                            DescriptorCount = 1,
                            OffsetInDescriptorsFromTableStart = int.MinValue,
                            BaseShaderRegister = 0
                        }),
                });
                //// Samplers
                //new[]
                //{
                //    new StaticSamplerDescription(ShaderVisibility.Pixel, 0, 0)
                //    {
                //        Filter = Filter.MinimumMinMagMipPoint,
                //        AddressUVW = TextureAddressMode.Border,
                //    }
                //});

            rootSignature = device.CreateRootSignature(0, rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.
            #if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
            #endif

            #if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
            #endif

            #if DEBUG
            //var result = SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug);
            var geometryShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
            #endif

            // Define the vertex input layout.
            var inputElementDescs = new[]
            {
                    new InputElement("POSITION",0,Format.R32G32B32_Float,0,0),
                    new InputElement("TEXCOORD",0,Format.R32G32_Float,12,0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            var psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout = new InputLayoutDescription(inputElementDescs),
                RootSignature = rootSignature,
                VertexShader = vertexShader,
                GeometryShader = geometryShader,
                PixelShader = pixelShader,
                RasterizerState = RasterizerStateDescription.Default(),
                BlendState = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState = new DepthStencilStateDescription()
                {
                    IsDepthEnabled = true,
                    DepthComparison = Comparison.LessEqual,
                    DepthWriteMask = DepthWriteMask.All,
                    IsStencilEnabled = false
                },
                SampleMask = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount = 1,
                Flags = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);
            commandList.Close();

            // build vertex buffer

            var triangleVertices = new[]
            {
                //TOP
                new Vertex() {Position = new Vector3(-1f , 1f , 1f) , TexCoord = new Vector2(1f ,1f)} ,
                new Vertex() {Position = new Vector3(1f , 1f , 1f) , TexCoord = new Vector2(0f ,1f)} ,
                new Vertex() {Position = new Vector3(1f , 1f ,-1f) , TexCoord = new Vector2(0f ,0f)} ,
                new Vertex() {Position = new Vector3(-1f , 1f ,-1f) , TexCoord = new Vector2(1f ,0f)} ,
                //BOTTOM
                new Vertex() {Position = new Vector3(-1f ,-1f , 1f) , TexCoord = new Vector2(1f ,1f)} ,
                new Vertex() {Position = new Vector3(1f ,-1f , 1f) , TexCoord = new Vector2(0f ,1f)} ,
                new Vertex() {Position = new Vector3(1f ,-1f ,-1f) , TexCoord = new Vector2(0f ,0f)} ,
                new Vertex() {Position = new Vector3(-1f ,-1f ,-1f) , TexCoord = new Vector2(1f ,0f)} ,
                //LEFT
                new Vertex() {Position = new Vector3(-1f ,-1f , 1f) , TexCoord = new Vector2(0f ,1f)} ,
                new Vertex() {Position = new Vector3(-1f , 1f , 1f) , TexCoord = new Vector2(0f ,0f)} ,
                new Vertex() {Position = new Vector3(-1f , 1f ,-1f) , TexCoord = new Vector2(1f ,0f)} ,
                new Vertex() {Position = new Vector3(-1f ,-1f ,-1f) , TexCoord = new Vector2(1f ,1f)} ,
                //RIGHT
                new Vertex() {Position = new Vector3(1f ,-1f , 1f) , TexCoord = new Vector2(1f ,1f)} ,
                new Vertex() {Position = new Vector3(1f , 1f , 1f) , TexCoord = new Vector2(1f ,0f)} ,
                new Vertex() {Position = new Vector3(1f , 1f ,-1f) , TexCoord = new Vector2(0f ,0f)} ,
                new Vertex() {Position = new Vector3(1f ,-1f ,-1f) , TexCoord = new Vector2(0f ,1f)} ,
                //FRONT
                new Vertex() {Position = new Vector3(-1f , 1f , 1f) , TexCoord = new Vector2(1f ,0f)} ,
                new Vertex() {Position = new Vector3(1f , 1f , 1f) , TexCoord = new Vector2(0f ,0f)} ,
                new Vertex() {Position = new Vector3(1f ,-1f , 1f) , TexCoord = new Vector2(0f ,1f)} ,
                new Vertex() {Position = new Vector3(-1f ,-1f , 1f) , TexCoord = new Vector2(1f ,1f)} ,
                //BACK
                new Vertex() {Position = new Vector3(-1f , 1f ,-1f) , TexCoord = new Vector2(0f ,0f)} ,
                new Vertex() {Position = new Vector3(1f , 1f ,-1f) , TexCoord = new Vector2(1f ,0f)} ,
                new Vertex() {Position = new Vector3(1f ,-1f ,-1f) , TexCoord = new Vector2(1f ,1f)} ,
                new Vertex() {Position = new Vector3(-1f ,-1f ,-1f) , TexCoord = new Vector2(0f ,1f)}
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            vertexBuffer.Unmap(0);

            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>();
            vertexBufferView.SizeInBytes = vertexBufferSize;

            // build index buffer

            var triangleIndexes = new uint[]
            {
                0,1,2,
                0,2,3,

                4,6,5,
                4,7,6,

                8,9,10,
                8,10,11,

                12,14,13,
                12,15,14,

                16,18,17,
                16,19,18,

                20,21,22,
                20,22,23
            };

            int indexBufferSize = Utilities.SizeOf(triangleIndexes);

            indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);
            IntPtr pIndexDataBegin = indexBuffer.Map(0);
            Utilities.Write(pIndexDataBegin, triangleIndexes, 0, triangleIndexes.Length);
            indexBuffer.Unmap(0);

            indexBufferView = new IndexBufferView();
            indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
            indexBufferView.SizeInBytes = indexBufferSize;
            indexBufferView.Format = Format.R32_UInt;

            // Create the texture.
            // Describe and create a Texture2D.
            var textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight, 1, 1, 1, 0, ResourceFlags.None, TextureLayout.Unknown, 0);
            texture = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, textureDesc, ResourceStates.GenericRead, null);

            // Copy data to the intermediate upload heap and then schedule a copy
            // from the upload heap to the Texture2D.
            byte[] textureData = Utilities.ReadStream(new FileStream("../../texture1.dds", FileMode.Open));

            texture.Name = "Texture";

            var handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
            var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
            texture.WriteToSubresource(0, null, ptr, TextureWidth * 4, textureData.Length);
            handle.Free();

            // Describe and create a SRV for the texture.
            var srvDesc = new ShaderResourceViewDescription
            {
                Shader4ComponentMapping = ((((0) & 0x7) |(((1) & 0x7) << 3) |(((2) & 0x7) << (3 * 2)) |(((3) & 0x7) << (3 * 3)) | (1 << (3 * 4)))),

                Format = textureDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture2D,
                Texture2D =
                {
                    MipLevels = 1,
                    MostDetailedMip = 0,
                    PlaneSlice = 0,
                    ResourceMinLODClamp = 0.0f
                },
            };

            device.CreateShaderResourceView(texture, srvDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart);

            SamplerStateDescription samplerDesc = new SamplerStateDescription
            {
                Filter = Filter.MinMagMipLinear,
                AddressU = TextureAddressMode.Clamp,
                AddressV = TextureAddressMode.Clamp,
                AddressW = TextureAddressMode.Clamp,
                MaximumAnisotropy = 0,
                MaximumLod = float.MaxValue,
                MinimumLod = -float.MaxValue,
                MipLodBias = 0,
                ComparisonFunction = Comparison.Never
            };

            device.CreateSampler(samplerDesc, samplerViewHeap.CPUDescriptorHandleForHeapStart);

            // build constant buffer

            constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);

            var cbDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = constantBuffer.GPUVirtualAddress,
                SizeInBytes = (Utilities.SizeOf<ConstantBufferData>() + 255) & ~255
            };
            var srvCbvStep = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);
            device.CreateConstantBufferView(cbDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart + srvCbvStep);

            constantBufferData = new ConstantBufferData
            {
                Project = Matrix.Identity
            };

            constantBufferPointer = constantBuffer.Map(0);
            Utilities.Write(constantBufferPointer, ref constantBufferData);

            // build depth buffer

            DescriptorHeapDescription descDescriptorHeapDSB = new DescriptorHeapDescription()
            {
                DescriptorCount = 1,
                Type = DescriptorHeapType.DepthStencilView,
                Flags = DescriptorHeapFlags.None
            };

            DescriptorHeap descriptorHeapDSB = device.CreateDescriptorHeap(descDescriptorHeapDSB);
            ResourceDescription descDepth = new ResourceDescription()
            {
                Dimension = ResourceDimension.Texture2D,
                DepthOrArraySize = 1,
                MipLevels = 0,
                Flags = ResourceFlags.AllowDepthStencil,
                Width = (int)viewport.Width,
                Height = (int)viewport.Height,
                Format = Format.R32_Typeless,
                Layout = TextureLayout.Unknown,
                SampleDescription = new SampleDescription() { Count = 1 }
            };

            ClearValue dsvClearValue = new ClearValue()
            {
                Format = Format.D32_Float,
                DepthStencil = new DepthStencilValue()
                {
                    Depth = 1.0f,
                    Stencil = 0
                }
            };

            Resource renderTargetDepth = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, descDepth, ResourceStates.GenericRead, dsvClearValue);

            DepthStencilViewDescription depthDSV = new DepthStencilViewDescription()
            {
                Dimension = DepthStencilViewDimension.Texture2D,
                Format = Format.D32_Float,
                Texture2D = new DepthStencilViewDescription.Texture2DResource()
                {
                    MipSlice = 0
                }
            };

            device.CreateDepthStencilView(renderTargetDepth, depthDSV, descriptorHeapDSB.CPUDescriptorHandleForHeapStart);
            handleDSV = descriptorHeapDSB.CPUDescriptorHandleForHeapStart;

            fence = device.CreateFence(0, FenceFlags.None);
            fenceValue = 1;
            fenceEvent = new AutoResetEvent(false);
        }
Пример #29
0
        protected virtual ID3D12Resource *CreateVertexBuffer(out VertexBufferView vertexBufferView)
        {
            // Define the geometry for a triangle.
            const int TriangleVerticesCount = 3;
            var       triangleVertices      = stackalloc Vertex[TriangleVerticesCount]
            {
                new Vertex
                {
                    Position = new Vector3(0.0f, 0.5f, 0.0f),
                    Color    = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
                },
                new Vertex
                {
                    Position = new Vector3(0.5f, -0.5f, 0.0f),
                    Color    = new Vector4(0.0f, 1.0f, 0.0f, 1.0f)
                },
                new Vertex
                {
                    Position = new Vector3(-0.5f, -0.5f, 0.0f),
                    Color    = new Vector4(0.0f, 0.0f, 1.0f, 1.0f)
                },
            };

            var vertexBufferSize = (uint)sizeof(Vertex) * TriangleVerticesCount;

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            ID3D12Resource *vertexBuffer;

            var heapProperties = new HeapProperties(HeapType.HeapTypeUpload);
            var bufferDesc     = new ResourceDesc
                                 (
                ResourceDimension.ResourceDimensionBuffer, 0, vertexBufferSize, 1, 1, 1, Format.FormatUnknown,
                new SampleDesc(1, 0),
                TextureLayout.TextureLayoutRowMajor, ResourceFlags.ResourceFlagNone
                                 );

            var iid = ID3D12Resource.Guid;

            SilkMarshal.ThrowHResult
            (
                D3DDevice->CreateCommittedResource
                (
                    &heapProperties,
                    HeapFlags.HeapFlagNone,
                    &bufferDesc,
                    ResourceStates.ResourceStateGenericRead,
                    pOptimizedClearValue: null,
                    &iid,
                    (void **)&vertexBuffer
                )
            );

            // Copy the triangle data to the vertex buffer.
            var readRange = new Range();

            byte *pVertexDataBegin;

            SilkMarshal.ThrowHResult(vertexBuffer->Map(Subresource: 0, &readRange, (void **)&pVertexDataBegin));
            Unsafe.CopyBlock(pVertexDataBegin, triangleVertices, vertexBufferSize);
            vertexBuffer->Unmap(0, null);

            // Initialize the vertex buffer view.
            vertexBufferView.BufferLocation = vertexBuffer->GetGPUVirtualAddress();
            vertexBufferView.StrideInBytes  = (uint)sizeof(Vertex);
            vertexBufferView.SizeInBytes    = vertexBufferSize;

            return(vertexBuffer);
        }
Пример #30
0
        private void LoadMesh(CpuDescriptorHandle heapStart)
        {
            SamplerStateDescription samplerDesc = new SamplerStateDescription()
            {
                Filter             = Filter.ComparisonMinMagMipLinear,
                AddressU           = TextureAddressMode.Wrap,
                AddressV           = TextureAddressMode.Wrap,
                AddressW           = TextureAddressMode.Wrap,
                MinimumLod         = float.MinValue,
                MaximumLod         = float.MaxValue,
                MipLodBias         = 0,
                MaximumAnisotropy  = 0,
                ComparisonFunction = Comparison.Never
            };
            var heapPosition = heapStart;

            // Load model from obj.
            var importer = new Assimp.AssimpContext();
            var scene    = importer.ImportFile(@"../../../Models/lara/lara.obj", PostProcessSteps.GenerateSmoothNormals | PostProcessSteps.FlipUVs | PostProcessSteps.PreTransformVertices);


            Vertex[] vertices = new Vertex[scene.Meshes.Sum(m => m.VertexCount)];
            int[]    indices  = new int[scene.Meshes.Sum(m => m.FaceCount * 3)];
            faceCounts = new List <int>();

            int vertexOffSet = 0;
            int indexOffSet  = 0;

            foreach (var mesh in scene.Meshes)
            {
                var positions = mesh.Vertices;
                var normals   = mesh.Normals;
                var texs      = mesh.TextureCoordinateChannels[0];
                for (int i = 0; i < mesh.VertexCount; i++)
                {
                    vertices[vertexOffSet + i] = new Vertex()
                    {
                        position          = new Vector3(positions[i].X, positions[i].Y, positions[i].Z),
                        normal            = new Vector3(normals[i].X, normals[i].Y, normals[i].Z),
                        textureCoordinate = new Vector3(texs[i].X, texs[i].Y, texs[i].Z)
                    };
                }

                var faces = mesh.Faces;
                for (int i = 0; i < mesh.FaceCount; i++)
                {
                    indices[i * 3 + indexOffSet]     = (int)faces[i].Indices[0] + vertexOffSet;
                    indices[i * 3 + 1 + indexOffSet] = (int)faces[i].Indices[1] + vertexOffSet;
                    indices[i * 3 + 2 + indexOffSet] = (int)faces[i].Indices[2] + vertexOffSet;
                }

                faceCounts.Add(mesh.FaceCount * 3);
                vertexOffSet += mesh.VertexCount;
                indexOffSet  += mesh.FaceCount * 3;

                string textureName = System.IO.Path.GetFileName(scene.Materials[mesh.MaterialIndex].TextureDiffuse.FilePath);
                var    texResource = TextureUtilities.CreateTextureFromDDS(device, @"../../../Models/lara/" + textureName);
                textures.Add(texResource);

                int D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING = 5768;
                ShaderResourceViewDescription desc           = new ShaderResourceViewDescription
                {
                    Dimension = ShaderResourceViewDimension.Texture2D,
                    Format    = texResource.Description.Format,
                    Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING,
                };
                desc.Texture2D.MipLevels           = 1;
                desc.Texture2D.MostDetailedMip     = 0;
                desc.Texture2D.ResourceMinLODClamp = 0;

                device.CreateShaderResourceView(texResource, desc, heapStart);
                heapStart += constantBufferDescriptorSize;
            }

            int vertexBufferSize = Utilities.SizeOf(vertices);


            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);

            Utilities.Write(pVertexDataBegin, vertices, 0, vertices.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes  = Utilities.SizeOf <Vertex>();
            vertexBufferView.SizeInBytes    = vertexBufferSize;


            //Create Index Buffer
            int indexBufferSize = Utilities.SizeOf(indices);

            indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pIndexDataBegin = indexBuffer.Map(0);

            Utilities.Write(pIndexDataBegin, indices, 0, indices.Length);
            indexBuffer.Unmap(0);

            // Initialize the index buffer view.
            indexBufferView = new IndexBufferView();
            indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
            indexBufferView.Format         = Format.R32_UInt;
            indexBufferView.SizeInBytes    = indexBufferSize;
        }
Пример #31
0
        public void BuildPSO(Device3 device, GraphicsCommandList commandList)
        {
            _resources = new GraphicsResource[0];
            // Create an empty root signature.
            RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout);

            _rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.

#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/SimpleShader.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/SimpleShader.hlsl", "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/SimpleShader.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/SimpleShader.hlsl", "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 12, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout        = new InputLayoutDescription(inputElementDescs),
                RootSignature      = _rootSignature,
                VertexShader       = vertexShader,
                PixelShader        = pixelShader,
                RasterizerState    = RasterizerStateDescription.Default(),
                BlendState         = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState  = new DepthStencilStateDescription()
                {
                    IsDepthEnabled = false, IsStencilEnabled = false
                },
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            _pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Define the geometry for a triangle.
            Vertex[] triangleVertices = new Vertex[]
            {
                new Vertex()
                {
                    position = new Vector3(-0.5f, -0.5f, 0.5f), color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
                },
                new Vertex()
                {
                    position = new Vector3(-0.5f, 0.5f, 0.5f), color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
                },
                new Vertex()
                {
                    position = new Vector3(0.5f, -0.5f, 0.5f), color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
                },
                new Vertex()
                {
                    position = new Vector3(0.5f, 0.5f, 0.5f), color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
                }
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            _vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = _vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            _vertexBuffer.Unmap(0);

            _indicies = new int[] { 0, 1, 2,
                                    3, 2, 1 };

            int indBufferSize = Utilities.SizeOf(_indicies);

            _indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indBufferSize), ResourceStates.GenericRead);

            IntPtr pIndBegin = _indexBuffer.Map(0);
            Utilities.Write(pIndBegin, _indicies, 0, _indicies.Length);
            _indexBuffer.Unmap(0);

            _indexBufferView = new IndexBufferView()
            {
                BufferLocation = _indexBuffer.GPUVirtualAddress,
                Format         = Format.R32_UInt,
                SizeInBytes    = indBufferSize
            };

            // Initialize the vertex buffer view.
            _vertexBufferView = new VertexBufferView
            {
                BufferLocation = _vertexBuffer.GPUVirtualAddress,
                StrideInBytes  = Utilities.SizeOf <Vertex>(),
                SizeInBytes    = vertexBufferSize
            };
        }
Пример #32
0
        private void LoadAssets()
        {
            // Create an empty root signature.
            var rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout);
            rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.

            #if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("shaders.hlsl"), "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
            #endif

            #if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("shaders.hlsl"), "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
            #endif

            // Define the vertex input layout.
            var inputElementDescs = new []
            {
                    new InputElement("POSITION",0,Format.R32G32B32_Float,0,0),
                    new InputElement("COLOR",0,Format.R32G32B32A32_Float,12,0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            var psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout = new InputLayoutDescription(inputElementDescs),
                RootSignature = rootSignature,
                VertexShader = vertexShader,
                PixelShader = pixelShader,
                RasterizerState = RasterizerStateDescription.Default(),
                BlendState = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState = new DepthStencilStateDescription() { IsDepthEnabled = false, IsStencilEnabled = false },
                SampleMask = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount = 1,
                Flags = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Create the command list.
            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);

            // Command lists are created in the recording state, but there is nothing
            // to record yet. The main loop expects it to be closed, so close it now.
            commandList.Close();

            // Create the vertex buffer.
            float aspectRatio = viewport.Width / viewport.Height;

            // Define the geometry for a triangle.
            var triangleVertices = new []
            {
                    new Vertex() {Position=new Vector3(0.0f, 0.25f * aspectRatio, 0.0f ),Color=new Vector4(1.0f, 0.0f, 0.0f, 1.0f ) },
                    new Vertex() {Position=new Vector3(0.25f, -0.25f * aspectRatio, 0.0f),Color=new Vector4(0.0f, 1.0f, 0.0f, 1.0f) },
                    new Vertex() {Position=new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f),Color=new Vector4(0.0f, 0.0f, 1.0f, 1.0f ) },
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>();
            vertexBufferView.SizeInBytes = vertexBufferSize;

            // Create and record the bundle.
            bundle = device.CreateCommandList(0, CommandListType.Bundle, bundleAllocator, pipelineState);
            bundle.SetGraphicsRootSignature(rootSignature);
            bundle.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.TriangleList;
            bundle.SetVertexBuffer(0, vertexBufferView);
            bundle.DrawInstanced(3, 1, 0, 0);
            bundle.Close();

            // Create synchronization objects.
            {
                fence = device.CreateFence(0, FenceFlags.None);
                fenceValue = 1;

                // Create an event handle to use for frame synchronization.
                fenceEvent = new AutoResetEvent(false);
            }
        }
Пример #33
0
        public void BuildPSO(Device3 device, GraphicsCommandList commandList)
        {
            buffer = new CBuffer()
            {
                Rows    = 3,
                Columns = 5
            };

            DescriptorHeapDescription cbvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = 1,
                Flags           = DescriptorHeapFlags.ShaderVisible,
                Type            = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
            };

            _constantBufferViewHeap = device.CreateDescriptorHeap(cbvHeapDesc);


            DescriptorHeapDescription srvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = 1,
                Flags           = DescriptorHeapFlags.ShaderVisible,
                Type            = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
            };

            _srvDescriptorHeap = device.CreateDescriptorHeap(srvHeapDesc);

            DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange()
                                                               {
                                                                   RangeType = DescriptorRangeType.ShaderResourceView, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue, BaseShaderRegister = 0
                                                               } };

            //Get sampler state setup
            StaticSamplerDescription sampler = new StaticSamplerDescription()
            {
                Filter           = Filter.MinimumMinMagMipPoint,
                AddressU         = TextureAddressMode.Border,
                AddressV         = TextureAddressMode.Border,
                AddressW         = TextureAddressMode.Border,
                MipLODBias       = 0,
                MaxAnisotropy    = 0,
                ComparisonFunc   = Comparison.Never,
                BorderColor      = StaticBorderColor.TransparentBlack,
                MinLOD           = 0.0f,
                MaxLOD           = float.MaxValue,
                ShaderRegister   = 0,
                RegisterSpace    = 0,
                ShaderVisibility = ShaderVisibility.Pixel,
            };

            RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.Pixel, ranges),
                                                                   new RootParameter(ShaderVisibility.Pixel, new RootDescriptor(1, 0), RootParameterType.ConstantBufferView) };


            // Create an empty root signature.
            RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters, new StaticSamplerDescription[] { sampler });

            _rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.

#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/AtlasWalk.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/AtlasWalk.hlsl", "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/AtlasWalk.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/AtlasWalk.hlsl", "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout        = new InputLayoutDescription(inputElementDescs),
                RootSignature      = _rootSignature,
                VertexShader       = vertexShader,
                PixelShader        = pixelShader,
                RasterizerState    = RasterizerStateDescription.Default(),
                BlendState         = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState  = new DepthStencilStateDescription()
                {
                    IsDepthEnabled = false, IsStencilEnabled = false
                },
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            _pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Define the geometry for a triangle.
            Vertex[] triangleVertices = new Vertex[]
            {
                new Vertex()
                {
                    position = new Vector3(-0.5f, -0.5f, 0.5f), texCoord = new Vector2(1.0f, 1.0f)
                },
                new Vertex()
                {
                    position = new Vector3(-0.5f, 0.5f, 0.5f), texCoord = new Vector2(1.0f, 0.0f)
                },
                new Vertex()
                {
                    position = new Vector3(0.5f, -0.5f, 0.5f), texCoord = new Vector2(0.0f, 1.0f)
                },
                new Vertex()
                {
                    position = new Vector3(0.5f, 0.5f, 0.5f), texCoord = new Vector2(0.0f, 0.0f)
                }
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            _vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = _vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            _vertexBuffer.Unmap(0);

            _indicies = new int[] { 0, 1, 2,
                                    3, 2, 1 };

            int indBufferSize = Utilities.SizeOf(_indicies);

            _indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indBufferSize), ResourceStates.GenericRead);

            IntPtr pIndBegin = _indexBuffer.Map(0);
            Utilities.Write(pIndBegin, _indicies, 0, _indicies.Length);
            _indexBuffer.Unmap(0);

            _indexBufferView = new IndexBufferView()
            {
                BufferLocation = _indexBuffer.GPUVirtualAddress,
                Format         = Format.R32_UInt,
                SizeInBytes    = indBufferSize
            };

            // Initialize the vertex buffer view.
            _vertexBufferView = new VertexBufferView
            {
                BufferLocation = _vertexBuffer.GPUVirtualAddress,
                StrideInBytes  = Utilities.SizeOf <Vertex>(),
                SizeInBytes    = vertexBufferSize
            };

            Resource textureUploadHeap;

            // Create the texture.
            // Describe and create a Texture2D.
            ResourceDescription textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, textureWidth, textureHeight);
            _texture = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, textureDesc, ResourceStates.CopyDestination);

            long uploadBufferSize = GetRequiredIntermediateSize(device, _texture, 0, 1);

            // Create the GPU upload buffer.
            textureUploadHeap = device.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None, ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, textureWidth, textureHeight), ResourceStates.GenericRead);

            // Copy data to the intermediate upload heap and then schedule a copy
            // from the upload heap to the Texture2D.
            byte[] textureData = GenerateTextureData();

            GCHandle handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
            IntPtr   ptr    = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
            textureUploadHeap.WriteToSubresource(0, null, ptr, 4 * textureWidth, textureData.Length);
            handle.Free();

            commandList.CopyTextureRegion(new TextureCopyLocation(_texture, 0), 0, 0, 0, new TextureCopyLocation(textureUploadHeap, 0), null);

            commandList.ResourceBarrierTransition(_texture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);

            // Describe and create a SRV for the texture.
            ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription()
            {
                Shader4ComponentMapping = ComponentMapping(0, 1, 2, 3),
                Format    = textureDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture2D,
            };
            srvDesc.Texture2D.MipLevels = 1;

            device.CreateShaderResourceView(_texture, srvDesc, _srvDescriptorHeap.CPUDescriptorHandleForHeapStart);

            _constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);

            //// Describe and create a constant buffer view.
            ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
            {
                BufferLocation = _constantBuffer.GPUVirtualAddress,
                SizeInBytes    = (Utilities.SizeOf <CBuffer>() + 255) & ~255
            };
            device.CreateConstantBufferView(cbvDesc, _constantBufferViewHeap.CPUDescriptorHandleForHeapStart);

            // Initialize and map the constant buffers. We don't unmap this until the
            // app closes. Keeping things mapped for the lifetime of the resource is okay.
            _constantBufferPointer = _constantBuffer.Map(0);
            Utilities.Write(_constantBufferPointer, ref buffer);

            _resources = new[] { new GraphicsResource()
                                 {
                                     Heap = _srvDescriptorHeap, Register = 0, type = ResourceType.DescriptorTable
                                 },
                                 new GraphicsResource()
                                 {
                                     Resource = _constantBuffer, Register = 1, type = ResourceType.ConstantBufferView
                                 } };
        }
Пример #34
0
        private void LoadAssets()
        {
            DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange() { RangeType = DescriptorRangeType.ShaderResourceView, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue, BaseShaderRegister = 0 } };

            StaticSamplerDescription sampler = new StaticSamplerDescription()
            {
                Filter = Filter.MinimumMinMagMipPoint,
                AddressU = TextureAddressMode.Border,
                AddressV = TextureAddressMode.Border,
                AddressW = TextureAddressMode.Border,
                MipLODBias = 0,
                MaxAnisotropy = 0,
                ComparisonFunc = Comparison.Never,
                BorderColor = StaticBorderColor.TransparentBlack,
                MinLOD = 0.0f,
                MaxLOD = float.MaxValue,
                ShaderRegister = 0,
                RegisterSpace = 0,
                ShaderVisibility = ShaderVisibility.Pixel,
            };

            RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.Pixel, ranges) };

            RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters, new StaticSamplerDescription[] { sampler });
            rootSignature = device.CreateRootSignature(0, rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.
            #if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
            #endif

            #if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
            #else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
            #endif

            // Define the vertex input layout.
            InputElement[] inputElementDescs = new InputElement[]
            {
                    new InputElement("POSITION",0,Format.R32G32B32_Float,0,0),
                    new InputElement("TEXCOORD",0,Format.R32G32_Float,12,0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout = new InputLayoutDescription(inputElementDescs),
                RootSignature = rootSignature,
                VertexShader = vertexShader,
                PixelShader = pixelShader,
                RasterizerState = RasterizerStateDescription.Default(),
                BlendState = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState = new DepthStencilStateDescription() { IsDepthEnabled = false, IsStencilEnabled = false },
                SampleMask = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount = 1,
                Flags = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Create the command list.
            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);

            // Create the vertex buffer.
            float aspectRatio = viewport.Width / viewport.Height;

            // Define the geometry for a triangle.
            Vertex[] triangleVertices = new Vertex[]
            {
                    new Vertex() {position=new Vector3(0.0f, 0.25f * aspectRatio, 0.0f ),uv=new Vector2(0.5f, 0.0f) },
                    new Vertex() {position=new Vector3(0.25f, -0.25f * aspectRatio, 0.0f),uv=new Vector2(1.0f, 1.0f) },
                    new Vertex() {position=new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f),uv=new Vector2(0.0f, 1.0f) },
            };

            int vertexBufferSize = Utilities.SizeOf(triangleVertices);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            IntPtr pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>();
            vertexBufferView.SizeInBytes = vertexBufferSize;

            Resource textureUploadHeap;

            // Create the texture.
            // Describe and create a Texture2D.
            ResourceDescription textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight);
            texture = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, textureDesc, ResourceStates.CopyDestination);

            long uploadBufferSize = GetRequiredIntermediateSize(this.texture, 0, 1);

            // Create the GPU upload buffer.
            textureUploadHeap = device.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None, ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight), ResourceStates.GenericRead);

            // Copy data to the intermediate upload heap and then schedule a copy
            // from the upload heap to the Texture2D.
            byte[] textureData = GenerateTextureData();

            GCHandle handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
            IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
            textureUploadHeap.WriteToSubresource(0, null, ptr, TexturePixelSize * TextureWidth, textureData.Length);
            handle.Free();

            commandList.CopyTextureRegion(new TextureCopyLocation(texture, 0), 0, 0, 0, new TextureCopyLocation(textureUploadHeap, 0), null);

            commandList.ResourceBarrierTransition(this.texture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);

            // Describe and create a SRV for the texture.
            ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription()
            {
                Shader4ComponentMapping = D3DXUtilities.DefaultComponentMapping(),
                Format = textureDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture2D,
            };
            srvDesc.Texture2D.MipLevels = 1;

            device.CreateShaderResourceView(this.texture, srvDesc, shaderRenderViewHeap.CPUDescriptorHandleForHeapStart);

            // Command lists are created in the recording state, but there is nothing
            // to record yet. The main loop expects it to be closed, so close it now.
            commandList.Close();

            commandQueue.ExecuteCommandList(commandList);

            // Create synchronization objects.
            fence = device.CreateFence(0, FenceFlags.None);
            fenceValue = 1;

            // Create an event handle to use for frame synchronization.
            fenceEvent = new AutoResetEvent(false);

            WaitForPreviousFrame();

            //release temp texture
            textureUploadHeap.Dispose();
        }
Пример #35
0
        private void LoadAssets()
        {
            // Create the root signature description.
            var rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout,
                                                                 // Root Parameters
                                                                 new[]
            {
                new RootParameter(ShaderVisibility.Pixel,
                                  new DescriptorRange()
                {
                    RangeType       = DescriptorRangeType.ShaderResourceView,
                    DescriptorCount = 3,
                    OffsetInDescriptorsFromTableStart = int.MinValue,
                    BaseShaderRegister = 0
                }),
                new RootParameter(ShaderVisibility.Pixel,
                                  new DescriptorRange()
                {
                    RangeType          = DescriptorRangeType.ConstantBufferView,
                    DescriptorCount    = 1,
                    BaseShaderRegister = 0,
                    OffsetInDescriptorsFromTableStart = int.MinValue,
                })
            },
                                                                 // Samplers
                                                                 new[]
            {
                new StaticSamplerDescription(ShaderVisibility.Pixel, 0, 0)
                {
                    //Filter = Filter.MinimumMinMagMipPoint,
                    Filter     = Filter.ComparisonMinLinearMagPointMipLinear,
                    AddressUVW = TextureAddressMode.Border,
                }
            });

            rootSignature = device.CreateRootSignature(0, rootSignatureDesc.Serialize());

            // Create the pipeline state, which includes compiling and loading shaders.

            var vertexShaderPath = Utils.GetVertexShaderPath();
            var pixelShaderPath  = Utils.GetPixelShaderForRenderingMode(VolViz.Configuration.RenderingMode.Dvr);

#if DEBUG
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile(vertexShaderPath, "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile(vertexShaderPath, "VSMain", "vs_5_0"));
#endif

#if DEBUG
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile(pixelShaderPath, "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
            var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile(pixelShaderPath, "PSMain", "ps_5_0"));
#endif

            // Define the vertex input layout.
            var inputElementDescs = new[]
            {
                new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0)
            };

            // Describe and create the graphics pipeline state object (PSO).
            var psoDesc = new GraphicsPipelineStateDescription()
            {
                InputLayout        = new InputLayoutDescription(inputElementDescs),
                RootSignature      = rootSignature,
                VertexShader       = vertexShader,
                PixelShader        = pixelShader,
                RasterizerState    = RasterizerStateDescription.Default(),
                BlendState         = BlendStateDescription.Default(),
                DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
                DepthStencilState  = new DepthStencilStateDescription()
                {
                    IsDepthEnabled = false, IsStencilEnabled = false
                },
                SampleMask            = int.MaxValue,
                PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
                RenderTargetCount     = 1,
                Flags             = PipelineStateFlags.None,
                SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
                StreamOutput      = new StreamOutputDescription()
            };
            psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;

            pipelineState = device.CreateGraphicsPipelineState(psoDesc);

            // Create the command list.
            commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);

            // Define the geometry for a square consisting of two triangles.
            var squareVertexes = new[]
            {
                new Vertex()
                {
                    Position = new Vector3(-1.0f, 1.0f, 0.0f), TexCoord = new Vector2(0.0f, 0.0f)
                },
                new Vertex()
                {
                    Position = new Vector3(1.0f, 1.0f, 0.0f), TexCoord = new Vector2(1.0f, 0.0f)
                },
                new Vertex()
                {
                    Position = new Vector3(-1.0f, -1.0f, 0.0f), TexCoord = new Vector2(0.0f, 1.0f)
                },

                new Vertex()
                {
                    Position = new Vector3(1.0f, 1.0f, 0.0f), TexCoord = new Vector2(1.0f, 0.0f)
                },
                new Vertex()
                {
                    Position = new Vector3(1.0f, -1.0f, 0.0f), TexCoord = new Vector2(1.0f, 1.0f)
                },
                new Vertex()
                {
                    Position = new Vector3(-1.0f, -1.0f, 0.0f), TexCoord = new Vector2(0.0f, 1.0f)
                },
            };

            // Create the vertex buffer.
            int vertexBufferSize = Utilities.SizeOf(squareVertexes);

            // Note: using upload heaps to transfer static data like vert buffers is not
            // recommended. Every time the GPU needs it, the upload heap will be marshalled
            // over. Please read up on Default Heap usage. An upload heap is used here for
            // code simplicity and because there are very few verts to actually transfer.
            vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);

            // Copy the triangle data to the vertex buffer.
            var pVertexDataBegin = vertexBuffer.Map(0);
            Utilities.Write(pVertexDataBegin, squareVertexes, 0, squareVertexes.Length);
            vertexBuffer.Unmap(0);

            // Initialize the vertex buffer view.
            vertexBufferView = new VertexBufferView();
            vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
            vertexBufferView.StrideInBytes  = Utilities.SizeOf <Vertex>();
            vertexBufferView.SizeInBytes    = vertexBufferSize;

            // Load volume data
            var volumeTextureDesc = ResourceDescription.Texture3D(Format.R8G8B8A8_UNorm, VolumeTextureWidth, VolumeTextureHeight, VolumeTextureDepth, 1);
            volumeTexture = device.CreateCommittedResource(new HeapProperties(
                                                               HeapType.Default),
                                                           HeapFlags.None,
                                                           volumeTextureDesc,
                                                           ResourceStates.CopyDestination);

            long volumeUploadBufferSize = GetRequiredIntermediateSize(this.volumeTexture, 0, 1);

            // Create the GPU upload buffer.
            var volumeTextureUploadHeap = device.CreateCommittedResource(new HeapProperties(
                                                                             CpuPageProperty.WriteBack,
                                                                             MemoryPool.L0), HeapFlags.None,
                                                                         ResourceDescription.Texture3D(Format.R8G8B8A8_UNorm, VolumeTextureWidth, VolumeTextureHeight, VolumeTextureDepth, 1),
                                                                         ResourceStates.GenericRead);

            // Copy data to the intermediate upload heap and then schedule a copy
            // from the upload heap to the Texture3D.
            byte[] volumeTextureData = GenerateVolumeTextureData();

            var volumeHandle = GCHandle.Alloc(volumeTextureData, GCHandleType.Pinned);
            var volumePtr    = Marshal.UnsafeAddrOfPinnedArrayElement(volumeTextureData, 0);

            volumeTextureUploadHeap.WriteToSubresource(0, null, volumePtr, TexturePixelSize * VolumeTextureWidth, TexturePixelSize * VolumeTextureWidth * VolumeTextureHeight);

            volumeHandle.Free();

            commandList.CopyTextureRegion(new TextureCopyLocation(volumeTexture, 0), 0, 0, 0, new TextureCopyLocation(volumeTextureUploadHeap, 0), null);
            commandList.ResourceBarrierTransition(this.volumeTexture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);

            // Describe and create a SRV for the volume texture.
            var volumeSrvDesc = new ShaderResourceViewDescription
            {
                Shader4ComponentMapping = D3DXUtilities.DefaultComponentMapping(),
                Format    = volumeTextureDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture3D,
                Texture3D = { MipLevels = 1 },
            };

            device.CreateShaderResourceView(this.volumeTexture, volumeSrvDesc, shaderRenderViewHeap.CPUDescriptorHandleForHeapStart);
            // End load volume data

            // Load transfer function
            var transferFunctionTextureDesc = ResourceDescription.Texture1D(Format.R8G8B8A8_UNorm, TransferFunctionWidth, 1);
            transferFunctionTexture = device.CreateCommittedResource(new HeapProperties(
                                                                         HeapType.Default),
                                                                     HeapFlags.None,
                                                                     transferFunctionTextureDesc,
                                                                     ResourceStates.CopyDestination);

            long transferFunctionUploadBufferSize = GetRequiredIntermediateSize(this.transferFunctionTexture, 0, 1);

            // Create the GPU upload buffer.
            var transferFunctionTextureUploadHeap = device.CreateCommittedResource(new HeapProperties(
                                                                                       CpuPageProperty.WriteBack,
                                                                                       MemoryPool.L0), HeapFlags.None,
                                                                                   ResourceDescription.Texture1D(Format.R8G8B8A8_UNorm, TransferFunctionWidth, 1),
                                                                                   ResourceStates.GenericRead);

            // Copy data to the intermediate upload heap and then schedule a copy
            // from the upload heap to the Texture1D.
            byte[] transferFunctionTextureData = GenerateTransferFunctionTextureData();

            var transferFunctionHandle = GCHandle.Alloc(transferFunctionTextureData, GCHandleType.Pinned);
            var transferFunctionPtr    = Marshal.UnsafeAddrOfPinnedArrayElement(transferFunctionTextureData, 0);

            transferFunctionTextureUploadHeap.WriteToSubresource(0, null, transferFunctionPtr, TransferFunctionWidth, TransferFunctionWidth);

            transferFunctionHandle.Free();

            commandList.CopyTextureRegion(new TextureCopyLocation(transferFunctionTexture, 0), 0, 0, 0, new TextureCopyLocation(transferFunctionTextureUploadHeap, 0), null);
            commandList.ResourceBarrierTransition(this.transferFunctionTexture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);

            // Describe and create a SRV for the transfer function texture.
            var transferFunctionSrvDesc = new ShaderResourceViewDescription
            {
                Shader4ComponentMapping = D3DXUtilities.DefaultComponentMapping(),
                Format    = transferFunctionTextureDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture1D,
                Texture1D = { MipLevels = 1 },
            };

            var transferFunctionHandleIncrement = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);

            CpuDescriptorHandle transferFunctionLocationDesctiptor = shaderRenderViewHeap.CPUDescriptorHandleForHeapStart + transferFunctionHandleIncrement;
            device.CreateShaderResourceView(this.transferFunctionTexture, transferFunctionSrvDesc, transferFunctionLocationDesctiptor);
            // End load transfer function data

            // Load gradients data
            var gradientsTextureDesc = ResourceDescription.Texture3D(Format.R8G8B8A8_UNorm, VolumeTextureWidth, VolumeTextureHeight, VolumeTextureDepth, 1);
            gradientsTexture = device.CreateCommittedResource(new HeapProperties(
                                                                  HeapType.Default),
                                                              HeapFlags.None,
                                                              gradientsTextureDesc,
                                                              ResourceStates.CopyDestination);

            long gradientsUploadBufferSize = GetRequiredIntermediateSize(this.gradientsTexture, 0, 1);

            // Create the GPU upload buffer.
            var gradientsTextureUploadHeap = device.CreateCommittedResource(new HeapProperties(
                                                                                CpuPageProperty.WriteBack,
                                                                                MemoryPool.L0), HeapFlags.None,
                                                                            ResourceDescription.Texture3D(Format.R8G8B8A8_UNorm, VolumeTextureWidth, VolumeTextureHeight, VolumeTextureDepth, 1),
                                                                            ResourceStates.GenericRead);

            // Copy data to the intermediate upload heap and then schedule a copy
            // from the upload heap to the Texture3D.
            byte[] gradientsTextureData = GenerateGradientsTextureData();

            var gradientsHandle = GCHandle.Alloc(gradientsTextureData, GCHandleType.Pinned);
            var gradientsPtr    = Marshal.UnsafeAddrOfPinnedArrayElement(gradientsTextureData, 0);

            gradientsTextureUploadHeap.WriteToSubresource(0, null, gradientsPtr, TexturePixelSize * VolumeTextureWidth, TexturePixelSize * VolumeTextureWidth * VolumeTextureHeight);

            gradientsHandle.Free();

            commandList.CopyTextureRegion(new TextureCopyLocation(gradientsTexture, 0), 0, 0, 0, new TextureCopyLocation(gradientsTextureUploadHeap, 0), null);
            commandList.ResourceBarrierTransition(this.gradientsTexture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);

            // Describe and create a SRV for the gradients texture.
            var gradientsSrvDesc = new ShaderResourceViewDescription
            {
                Shader4ComponentMapping = D3DXUtilities.DefaultComponentMapping(),
                Format    = gradientsTextureDesc.Format,
                Dimension = ShaderResourceViewDimension.Texture3D,
                Texture3D = { MipLevels = 1 },
            };

            var gradientsHandleIncrement = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);

            CpuDescriptorHandle gradientsLocationDesctiptor = shaderRenderViewHeap.CPUDescriptorHandleForHeapStart + gradientsHandleIncrement * 2;
            device.CreateShaderResourceView(this.gradientsTexture, gradientsSrvDesc, gradientsLocationDesctiptor);
            // End load gradients data

            // Command lists are created in the recording state, but there is nothing
            // to record yet. The main loop expects it to be closed, so close it now.
            commandList.Close();

            constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);

            //// Describe and create a constant buffer view.
            var cbvDesc = new ConstantBufferViewDescription
            {
                BufferLocation = constantBuffer.GPUVirtualAddress,
                SizeInBytes    = (Utilities.SizeOf <ConstantBuffer>() + 255) & ~255
            };

            device.CreateConstantBufferView(cbvDesc, constantBufferViewHeap.CPUDescriptorHandleForHeapStart);

            // Initialize and map the constant buffers. We don't unmap this until the
            // app closes. Keeping things mapped for the lifetime of the resource is okay.
            constantBufferPointer = constantBuffer.Map(0);
            Utilities.Write(constantBufferPointer, ref constantBufferData);

            commandQueue.ExecuteCommandList(commandList);

            // Create synchronization objects.
            fence      = device.CreateFence(0, FenceFlags.None);
            fenceValue = 1;

            // Create an event handle to use for frame synchronization.
            fenceEvent = new AutoResetEvent(false);

            WaitForPreviousFrame();

            //release temp texture
            volumeTextureUploadHeap.Dispose();
            transferFunctionTextureUploadHeap.Dispose();
            gradientsTextureUploadHeap.Dispose();
        }