Example #1
0
 public void Bind(ProgramAttribute attribute, GraphicsBuffer buffer, int offsetInBytes, Format format, int stride)
 {
     if (attribute == null)
         throw new ArgumentNullException("attribute");
     throw new NotImplementedException();
     //GLExt.VertexAttribFormat(attribute.Index, format.ComponentCount, format.VertexAttribPonterType, format.IsNormalized, offsetInBytes);
 }
 public ModelAttribute(string name, GraphicsBuffer buffer, int offsetInBytes, Format format, int stride, ModelAttributeChannel channel, int index)
 {
     this.Channel = channel;
     this.Index = index;
     this.Name = name;
     this.Buffer = buffer;
     this.OffsetInBytes = offsetInBytes;
     this.Format = format;
     this.Stride = stride;
 }
Example #3
0
 public Model(GraphicsBuffer elementBuffer, ElementType elementType, Sphere3d bounds)
 {
     if (elementBuffer == null)
         throw new ArgumentNullException("elementBuffer");
     this.elementBuffer = elementBuffer;
     this.elementType = elementType;
     this.bounds = bounds;
     bones = new ModelBoneCollection(this);
     meshes = new ModelMeshCollection(this);
 }
Example #4
0
            static GraphicsMemoryRegion <GraphicsResource> CreateConstantBufferRegion(GraphicsContext graphicsContext, GraphicsBuffer constantBuffer)
            {
                var constantBufferRegion = constantBuffer.Allocate(SizeOf <Matrix4x4>(), alignment: 256);
                var pConstantBuffer      = constantBuffer.Map <Matrix4x4>(in constantBufferRegion);

                pConstantBuffer[0] = Matrix4x4.Identity;

                constantBuffer.UnmapAndWrite(in constantBufferRegion);
                return(constantBufferRegion);
            }
 extern private void SetGraphicsBuffer(int nameID, [NotNull] GraphicsBuffer buffer);
Example #6
0
 static GraphicsBufferView CreateIndexBufferView(GraphicsCopyContext copyContext, GraphicsBuffer indexBuffer, GraphicsBuffer uploadBuffer, in UnmanagedValueList <uint> indices)
 public void Accept(ShaderGeneratorContext context)
 {
     valueBuffer ??= GraphicsBuffer.Create(context.GraphicsDevice, Value, ResourceFlags.None, GraphicsHeapType.Upload);
     context.ConstantBufferViews.Add(valueBuffer);
 }
Example #8
0
        private void ChessBoard_Paint(object sender, PaintEventArgs e)
        {
            GraphicsBuffer graphicsBuffer = new GraphicsBuffer();

            graphicsBuffer.CreateGraphicsBuffer(e.Graphics, Width, Height);

            Graphics g = graphicsBuffer.Graphics;

            SolidBrush solidWhiteBrush = new SolidBrush(Color.White);
            SolidBrush solidBlackBrush = new SolidBrush(Color.Black);

            Pen penBlack = new Pen(Color.Black, 1);

            Pen penHightlight  = new Pen(Color.Black, 2);
            Pen penDestination = new Pen(Color.Yellow, 2);
            Pen penValidMove   = new Pen(Color.Black, 2);
            Pen penEnPassant   = new Pen(Color.DeepPink, 1);

            const int buffer = 10;

            if (Width < Height)
            {
                maxHeight = Width - 5 - buffer;
                boxHeight = maxHeight / 8;
            }
            else
            {
                maxHeight = Height - 5 - buffer;
                boxHeight = maxHeight / 8;
            }

            g.Clear(BackColor);

            try
            {
                int selectedX;
                int selectedY;

                //Draw Chess Board
                for (byte y = 0; y < 8; y++)
                {
                    for (byte x = 0; x < 8; x++)
                    {
                        if ((x + y) % 2 == 0)
                        {
                            g.FillRectangle(solidWhiteBrush, (x * boxHeight) + buffer, (y * boxHeight), boxHeight, boxHeight);
                        }
                        else
                        {
                            Rectangle           drawArea1   = new Rectangle((x * boxHeight) + buffer, (y * boxHeight), boxHeight, boxHeight);
                            LinearGradientBrush linearBrush = new LinearGradientBrush(
                                drawArea1, Color.Gainsboro, Color.Silver, LinearGradientMode.ForwardDiagonal);
                            g.FillRectangle(linearBrush, (x * boxHeight) + buffer, (y * boxHeight), boxHeight, boxHeight);
                        }

                        g.DrawRectangle(penBlack, (x * boxHeight) + buffer, (y * boxHeight), boxHeight, boxHeight);
                    }
                }
                for (byte i = 0; i < 8; i++)
                {
                    g.DrawString((8 - i).ToString(), new Font("Verdana", 8), solidBlackBrush, 0, (i * boxHeight) + buffer);
                    g.DrawString(GetColumnFromInt(i + 1).ToString(), new Font("Verdana", 8), solidBlackBrush, (i * boxHeight) + (boxHeight / 2) + 3, maxHeight - 1);
                }
                //Draw Pieces

                for (byte column = 0; column < 8; column++)
                {
                    for (byte row = 0; row < 8; row++)
                    {
                        ChessPieceType chessPieceType = engine.GetPieceTypeAt(column, row);

                        if (chessPieceType != ChessPieceType.None)
                        {
                            ChessPieceColor chessPieceColor = engine.GetPieceColorAt(column, row);
                            bool            selected        = engine.GetChessPieceSelected(column, row);


                            int x = (column) * boxHeight;
                            int y = (row) * boxHeight;

                            if (chessPieceColor == ChessPieceColor.White)
                            {
                                if (chessPieceType == ChessPieceType.Pawn)
                                {
                                    g.DrawImage(Resources.WPawn, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.Rook)
                                {
                                    g.DrawImage(Resources.WRook, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.Knight)
                                {
                                    g.DrawImage(Resources.WKnight, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.Bishop)
                                {
                                    g.DrawImage(Resources.WBishop, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.Queen)
                                {
                                    g.DrawImage(Resources.WQueen, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.King)
                                {
                                    g.DrawImage(Resources.WKing, x + buffer, y, boxHeight, boxHeight);
                                }
                            }
                            else
                            {
                                if (chessPieceType == ChessPieceType.Pawn)
                                {
                                    g.DrawImage(Resources.BPawn, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.Rook)
                                {
                                    g.DrawImage(Resources.BRook, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.Knight)
                                {
                                    g.DrawImage(Resources.BKnight, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.Bishop)
                                {
                                    g.DrawImage(Resources.BBishop, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.Queen)
                                {
                                    g.DrawImage(Resources.BQueen, x + buffer, y, boxHeight, boxHeight);
                                }
                                else if (chessPieceType == ChessPieceType.King)
                                {
                                    g.DrawImage(Resources.BKing, x + buffer, y, boxHeight, boxHeight);
                                }
                            }

                            if (selected)
                            {
                                selectedX = ((column) * boxHeight) + buffer;
                                //selectedY = (8 - row - 1)*boxHeight;

                                //selectedX = ((8-column-1) * boxHeight) + buffer;
                                selectedY = (row) * boxHeight;

                                g.DrawRectangle(penHightlight, selectedX, selectedY, boxHeight - 1, boxHeight - 1);


                                //Draw Valid Moves
                                if (engine.GetValidMoves(column, row) != null)
                                {
                                    foreach (byte[] sqr in engine.GetValidMoves(column, row))
                                    {
                                        int moveY = (sqr[1]) * boxHeight;


                                        int moveX = (sqr[0] * boxHeight) + buffer;

                                        g.DrawRectangle(penValidMove, moveX, moveY, boxHeight - 1, boxHeight - 1);
                                    }
                                }
                            }
                            if (engine.GetEnPassantMoves()[0] > 0)
                            {
                                int moveY = (engine.GetEnPassantMoves()[1]) * boxHeight;

                                int moveX = (engine.GetEnPassantMoves()[0] * boxHeight) + buffer;

                                g.DrawRectangle(penEnPassant, moveX, moveY, boxHeight - 1, boxHeight - 1);
                            }
                        }
                    }
                }

                if (currentDestination.Selected)
                {
                    selectedY = (currentDestination.Row) * boxHeight;
                    selectedX = ((currentDestination.Column) * boxHeight) + buffer;

                    g.DrawRectangle(penDestination, selectedX, selectedY, boxHeight - 1, boxHeight - 1);
                }


                graphicsBuffer.Render(CreateGraphics());

                g.Dispose();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error Drawing Chess Board", MessageBoxButtons.OK);
            }
        }
Example #9
0
        static GraphicsBufferView CreateVertexBufferView(GraphicsCopyContext copyContext, GraphicsBuffer vertexBuffer, GraphicsBuffer uploadBuffer, float aspectRatio)
        {
            var uploadBufferView = uploadBuffer.CreateBufferView <Texture3DVertex>(4);
            var vertexBufferSpan = uploadBufferView.Map <Texture3DVertex>();

            {
                vertexBufferSpan[0] = new Texture3DVertex {             //
                    Position = Vector3.Create(-0.5f, 0.5f, 0.0f),       //   y          in this setup
                    UVW      = Vector3.Create(0, 1, 0.5f),              //   ^     z    the origin o
                };                                                      //   |   /      is in the middle
                                                                        //   | /        of the rendered scene
                vertexBufferSpan[1] = new Texture3DVertex {             //   o------>x
                    Position = Vector3.Create(0.5f, 0.5f, 0.0f),        //
                    UVW      = Vector3.Create(1, 1, 0.5f),              //   0 ----- 1
                };                                                      //   | \     |
                                                                        //   |   \   |
                vertexBufferSpan[2] = new Texture3DVertex {             //   |     \ |
                    Position = Vector3.Create(0.5f, -0.5f, 0.0f),       //   3-------2
                    UVW      = Vector3.Create(1, 0, 0.5f),              //
                };

                vertexBufferSpan[3] = new Texture3DVertex {
                    Position = Vector3.Create(-0.5f, -0.5f, 0.0f),
                    UVW      = Vector3.Create(0, 0, 0.5f),
                };
            }
            uploadBufferView.UnmapAndWrite();

            var vertexBufferView = vertexBuffer.CreateBufferView <Texture3DVertex>(4);

            copyContext.Copy(vertexBufferView, uploadBufferView);
            return(vertexBufferView);
        }
Example #10
0
        static GraphicsBufferView CreateIndexBufferView(GraphicsCopyContext copyContext, GraphicsBuffer indexBuffer, GraphicsBuffer uploadBuffer)
        {
            var uploadBufferView = uploadBuffer.CreateBufferView <ushort>(6);
            var indexBufferSpan  = uploadBufferView.Map <ushort>();

            {
                // clockwise when looking at the triangle from the outside

                indexBufferSpan[0] = 0;
                indexBufferSpan[1] = 1;
                indexBufferSpan[2] = 2;

                indexBufferSpan[3] = 0;
                indexBufferSpan[4] = 2;
                indexBufferSpan[5] = 3;
            }
            uploadBufferView.UnmapAndWrite();

            var indexBufferView = indexBuffer.CreateBufferView <ushort>(6);

            copyContext.Copy(indexBufferView, uploadBufferView);
            return(indexBufferView);
        }
Example #11
0
        public static async Task RunAsync(GraphicsDevice device)
        {
            bool generateWithDelegate = false;

            // Create graphics buffer

            int width  = 10;
            int height = 10;

            float[] array = new float[width * height];

            for (int i = 0; i < array.Length; i++)
            {
                array[i] = i;
            }

            float[] outputArray = new float[width * height];

            using GraphicsBuffer <float> sourceBuffer      = GraphicsBuffer.Create <float>(device, array, ResourceFlags.None);
            using GraphicsBuffer <float> destinationBuffer = GraphicsBuffer.Create <float>(device, array.Length * 2, ResourceFlags.AllowUnorderedAccess);

            GraphicsBuffer <float> slicedDestinationBuffer = destinationBuffer.Slice(20, 60);

            slicedDestinationBuffer = slicedDestinationBuffer.Slice(10, 50);

            DescriptorSet descriptorSet = new DescriptorSet(device, 2);

            descriptorSet.AddUnorderedAccessViews(slicedDestinationBuffer);
            descriptorSet.AddShaderResourceViews(sourceBuffer);

            // Generate computer shader
            ShaderGenerator shaderGenerator = generateWithDelegate
                ? CreateShaderGeneratorWithDelegate(sourceBuffer, destinationBuffer)
                : CreateShaderGeneratorWithClass();

            ShaderGeneratorResult result = shaderGenerator.GenerateShader();

            // Compile shader

            byte[] shaderBytecode = ShaderCompiler.Compile(ShaderStage.ComputeShader, result.ShaderSource, result.EntryPoints["compute"]);

            DescriptorRange[] descriptorRanges = new DescriptorRange[]
            {
                new DescriptorRange(DescriptorRangeType.UnorderedAccessView, 1, 0),
                new DescriptorRange(DescriptorRangeType.ShaderResourceView, 1, 0)
            };

            RootParameter rootParameter = new RootParameter(new RootDescriptorTable(descriptorRanges), ShaderVisibility.All);

            RootSignatureDescription rootSignatureDescription = new RootSignatureDescription(RootSignatureFlags.None, new[] { rootParameter });
            RootSignature            rootSignature            = new RootSignature(device, rootSignatureDescription);
            PipelineState            pipelineState            = new PipelineState(device, rootSignature, shaderBytecode);

            // Execute computer shader

            using (CommandList commandList = new CommandList(device, CommandListType.Compute))
            {
                commandList.SetPipelineState(pipelineState);
                commandList.SetComputeRootDescriptorTable(0, descriptorSet);

                commandList.Dispatch(1, 1, 1);
                await commandList.FlushAsync();
            }

            // Print matrix

            Console.WriteLine("Before:");
            PrintMatrix(array, width, height);

            destinationBuffer.GetData(outputArray.AsSpan());

            Console.WriteLine();
            Console.WriteLine("After:");
            PrintMatrix(outputArray, width, height);
        }
Example #12
0
        static GraphicsBufferView CreateVertexBufferView(GraphicsCopyContext copyContext, GraphicsBuffer vertexBuffer, GraphicsBuffer uploadBuffer, float aspectRatio)
        {
            var uploadBufferView = uploadBuffer.CreateBufferView <IdentityVertex>(3);
            var vertexBufferSpan = uploadBufferView.Map <IdentityVertex>();

            {
                vertexBufferSpan[0] = new IdentityVertex {
                    Color    = Colors.Red,
                    Position = Vector3.Create(0.0f, 0.25f * aspectRatio, 0.0f),
                };

                vertexBufferSpan[1] = new IdentityVertex {
                    Color    = Colors.Lime,
                    Position = Vector3.Create(0.25f, -0.25f * aspectRatio, 0.0f),
                };

                vertexBufferSpan[2] = new IdentityVertex {
                    Color    = Colors.Blue,
                    Position = Vector3.Create(-0.25f, -0.25f * aspectRatio, 0.0f),
                };
            }
            uploadBufferView.UnmapAndWrite();

            var vertexBufferView = vertexBuffer.CreateBufferView <IdentityVertex>(3);

            copyContext.Copy(vertexBufferView, uploadBufferView);
            return(vertexBufferView);
        }
Example #13
0
 public void ReleaseIndexBuffer(GraphicsBuffer buffer)
 {
     _indexPool.ReleaseBuffer(buffer);
 }
 public void Visit(MaterialGeneratorContext context)
 {
     valueBuffer ??= GraphicsBuffer.New(context.GraphicsDevice, Value, ResourceFlags.ConstantBuffer, GraphicsHeapType.Upload).DisposeBy(context.GraphicsDevice);
     context.ConstantBufferViews.Add(valueBuffer);
 }
Example #15
0
            static GraphicsMemoryRegion <GraphicsResource> CreateVertexBufferRegion(GraphicsContext graphicsContext, GraphicsBuffer vertexBuffer, GraphicsBuffer vertexStagingBuffer, float aspectRatio)
            {
                var vertexBufferRegion = vertexBuffer.Allocate(SizeOf <Texture3DVertex>() * 4, alignment: 16);
                var pVertexBuffer      = vertexStagingBuffer.Map <Texture3DVertex>(in vertexBufferRegion);

                pVertexBuffer[0] = new Texture3DVertex {             //
                    Position = new Vector3(-0.5f, 0.5f, 0.0f),       //   y          in this setup
                    UVW      = new Vector3(0, 1, 0.5f),              //   ^     z    the origin o
                };                                                   //   |   /      is in the middle
                                                                     //   | /        of the rendered scene
                pVertexBuffer[1] = new Texture3DVertex {             //   o------>x
                    Position = new Vector3(0.5f, 0.5f, 0.0f),        //
                    UVW      = new Vector3(1, 1, 0.5f),              //   0 ----- 1
                };                                                   //   | \     |
                                                                     //   |   \   |
                pVertexBuffer[2] = new Texture3DVertex {             //   |     \ |
                    Position = new Vector3(0.5f, -0.5f, 0.0f),       //   3-------2
                    UVW      = new Vector3(1, 0, 0.5f),              //
                };

                pVertexBuffer[3] = new Texture3DVertex {
                    Position = new Vector3(-0.5f, -0.5f, 0.0f),
                    UVW      = new Vector3(0, 0, 0.5f),
                };

                vertexStagingBuffer.UnmapAndWrite(in vertexBufferRegion);
                return(vertexBufferRegion);
            }
Example #16
0
            static GraphicsMemoryRegion <GraphicsResource> CreateTexture3DRegion(GraphicsContext graphicsContext, GraphicsBuffer textureStagingBuffer)
            {
                const uint   TextureWidth  = 256;
                const uint   TextureHeight = 256;
                const ushort TextureDepth  = 256;
                const uint   TextureDz     = TextureWidth * TextureHeight;
                const uint   TexturePixels = TextureDz * TextureDepth;

                var texture3D       = graphicsContext.Device.MemoryAllocator.CreateTexture(GraphicsTextureKind.ThreeDimensional, GraphicsResourceCpuAccess.None, TextureWidth, TextureHeight, TextureDepth);
                var texture3DRegion = texture3D.Allocate(texture3D.Size, alignment: 4);
                var pTextureData    = textureStagingBuffer.Map <uint>(in texture3DRegion);

                for (uint n = 0; n < TexturePixels; n++)
                {
                    var x = n % TextureWidth;
                    var y = n % TextureDz / TextureWidth;
                    var z = n / TextureDz;

                    pTextureData[n] = 0xFF000000 | (z << 16) | (y << 8) | (x << 0);
                }

                textureStagingBuffer.UnmapAndWrite(in texture3DRegion);
                graphicsContext.Copy(texture3D, textureStagingBuffer);

                return(texture3DRegion);
            }
Example #17
0
        internal Model(AssetLoader loader)
            : base(loader)
        {
            Asset context = loader.Context;
            string name = loader.Name;
            BinaryReader reader = loader.Reader;

            FolderAsset textureArchive = null;

            FolderAsset bonesFolder = new FolderAsset(this, "Bones");
            FolderAsset materialsFolder = new FolderAsset(this, "Materials");
            FolderAsset meshesFolder = new FolderAsset(this, "Meshes");
            FolderAsset vertexDeclarationsFolder = new FolderAsset(this, "Vertex declarations");

            ArrayBackedList<byte> bufferData = new ArrayBackedList<byte>();

            if (context != null && context.Parent is FolderAsset) {
                // @"/map/m##_##_##_##/m*.flver.dcx" for DS1; textures are in the @"/map/m##/" folder.
                if (name.StartsWith(@"map/m")) {
                    string folderName = name.Substring(4, 3);
                    FolderAsset maps = (FolderAsset)context.Parent.Parent;
                    foreach (FolderAsset child in maps.Children) {
                        if (child.Name == folderName) {
                            textureArchive = child;
                            break;
                        }
                    }
                } else
                    textureArchive = (FolderAsset)context.Parent;
            }

            #if Marking
            MarkingStream markingStream = loader.StartMarking(out reader);
            #endif

            loader.ExpectMagic(Magic);
            char endian = (char)reader.ReadByte();

            switch (endian) {
                case 'L':
                    ByteOrder = ByteOrder.LittleEndian;
                    break;

                case 'B':
                    reader = loader.MakeBigEndian();
                    ByteOrder = ByteOrder.BigEndian;
                    break;

                default:
                    throw new Exception();
            }

            using (reader) {
                // Read header.
                loader.Expect((byte)0);
                Version = (ModelVersion)reader.ReadInt32();
                if (Version != ModelVersion.DarkSouls && Version != ModelVersion.DarkSouls2)
                    loader.AddError(loader.Position - 4, "Unknown model version " + VersionString + "; will try to load it anyway.");
                int dataOffset = reader.ReadInt32();
                int dataSize = reader.ReadInt32();
                if (((dataOffset + dataSize + 31) & ~31) != reader.BaseStream.Length)
                    loader.AddError(loader.Position - 4, "Data size and offset aren't correct.");

                int boneUnknownCount = reader.ReadInt32();
                int materialCount = reader.ReadInt32();
                int boneCount = reader.ReadInt32();

                int meshCount = reader.ReadInt32();
                int meshCount2 = reader.ReadInt32();
                if (meshCount != meshCount2)
                    loader.AddError(loader.Position - 4, "Mesh count 1 and 2 aren't the same.");

                Bounds = new Box3f(reader.ReadVector3f(), reader.ReadVector3f());
                Unknowns.ReadInt32s(reader, 1); // Possible the non-degenerate triangle count. Seems related.
                int triangleCount = reader.ReadInt32();

                loader.Expect(IsDS1 ? 272 : 0x10010100);
                loader.Expect(IsDS1 ? 0 : 0xFFFF);

                int partCount = reader.ReadInt32();
                int vertexDeclarationCount = reader.ReadInt32();
                int materialParameterCount = reader.ReadInt32();
                loader.Expect(IsDS1 ? 0 : 0x1000000);
                loader.ExpectZeroes(4, 8);

                // Calculate offsets.
                long boneUnknownsOffset = HeaderSize;
                long materialsOffset = boneUnknownsOffset + boneUnknownCount * ModelBoneUnknown.DataSize;
                long bonesOffset = materialsOffset + materialCount * ModelMaterial.DataSize;
                long meshesOffset = bonesOffset + boneCount * ModelBone.DataSize;
                long detailLevelsOffset = meshesOffset + meshCount * ModelMesh.DataSize;
                long meshVerticesOffset = detailLevelsOffset + partCount * ModelDetailLevel.DataSize;
                long vertexDeclarationsOffset = meshVerticesOffset + meshCount * ModelMesh.DataSizeVertexHeader;
                long materialParametersOffset = vertexDeclarationsOffset + vertexDeclarationCount * ModelVertexDeclaration.DataSize;
                long postHeaderOffset = materialParametersOffset + materialParameterCount * ModelMaterialParameter.DataSize;

                // BoneUnknowns
                ExpectedOffset(loader, boneUnknownsOffset, typeof(ModelBoneUnknown).Name);
                for (int index = 0; index < boneUnknownCount; index++)
                    boneUnknowns.Add(new ModelBoneUnknown(bonesFolder, index, loader));

                // Materials
                ExpectedOffset(loader, materialsOffset, typeof(ModelMaterial).Name);
                for (int index = 0; index < materialCount; index++)
                    materials.Add(new ModelMaterial(materialsFolder, index, loader));
                int expectedMaterialParameterCount = materialCount > 0 ? materials[materialCount - 1].ParameterEndIndex : 0;
                if (expectedMaterialParameterCount != materialParameterCount)
                    loader.AddError(null, "Expected material parameter count {0} doesn't match actual count {1}.", expectedMaterialParameterCount, materialParameterCount);

                // Bones
                ExpectedOffset(loader, bonesOffset, typeof(ModelBone).Name);
                for (int index = 0; index < boneCount; index++)
                    bones.Add(new ModelBone(bonesFolder, index, loader));

                // Meshes
                ExpectedOffset(loader, meshesOffset, typeof(ModelMesh).Name);
                for (int index = 0; index < meshCount; index++)
                    meshes.Add(new ModelMesh(meshesFolder, index, loader));
                int expectedPartCount = meshCount > 0 ? meshes[meshCount - 1].PartEndIndex : 0;
                if (expectedPartCount != partCount)
                    throw new InvalidDataException("Expected part count doesn't match actual count.");

                // Detail levels
                ExpectedOffset(loader, detailLevelsOffset, typeof(ModelDetailLevel).Name);
                foreach (ModelMesh mesh in meshes) {
                    mesh.ReadDetailLevels(loader, dataOffset, bufferData);
                    detailLevels.AddRange(mesh.DetailLevels);
                }

                // Mesh vertices
                ExpectedOffset(loader, meshVerticesOffset, typeof(ModelMesh).Name + " vertex header");
                foreach (ModelMesh mesh in meshes)
                    mesh.ReadVertexHeaders(reader, dataOffset, bufferData);

                // Vertex declarations
                ExpectedOffset(loader, vertexDeclarationsOffset, typeof(ModelVertexDeclaration).Name);
                for (int index = 0; index < vertexDeclarationCount; index++)
                    vertexDeclarations.Add(new ModelVertexDeclaration(vertexDeclarationsFolder, index, loader));

                // Material parameters
                ExpectedOffset(loader, materialParametersOffset, typeof(ModelMaterialParameter).Name);
                foreach (ModelMaterial material in materials) {
                    material.ReadParameters(loader, textureArchive);
                    materialParameters.AddRange(material.Parameters);
                }

                ExpectedOffset(loader, postHeaderOffset, "Post-header");

            #if Marking
                if (markingStream != null) {
                    markingStream.Report(loader);
                }
            #endif // Marking

            #if SkippedChecks
                /*int vertexDataSize = 0, indexCount = 0, indexSize = 0, vertexCount = 0, expectedTriangleCount = 0, nondegenerateTriangleCount = 0;
                foreach (var mesh in Meshes) {
                    vertexDataSize += mesh.VertexCount * mesh.VertexSize;
                    vertexCount += mesh.VertexCount;
                    foreach (var part in mesh.Parts) {
                        indexCount += part.Indices.Length;
                        indexSize += part.Indices.Length * 2;
                        expectedTriangleCount += part.Indices.Length - 2;
                        for (int index = 0; index < part.Indices.Length - 2; index++) {
                            if (part.Indices[index] != part.Indices[index + 1] && part.Indices[index + 1] != part.Indices[index + 2] && part.Indices[index] != part.Indices[index + 2])
                                nondegenerateTriangleCount++;
                        }
                    }
                }
                if (Math.Abs(expectedTriangleCount - triangleCount) > partCount)
                    throw new InvalidDataException("Expected triangle count doesn't match the read value.");*/
            #endif
            }

            Buffer = new GraphicsBuffer(bufferData.Count == 0 ? 1 : bufferData.Count);
            Buffer.Write(0, bufferData.Array, 0, bufferData.Count);
        }
Example #18
0
 /// <summary>
 /// Bind the specified <see cref="GraphicsBuffer"/> to this Vertex Array with specified <see cref="VertexDeclaration"/>
 /// </summary>
 /// <param name="buffer"><see cref="GraphicsBuffer"/> to bind</param>
 /// <param name="vertexDeclaration"><see cref="VertexDeclaration"/> to use for binding</param>
 public void BindBuffer(GraphicsBuffer buffer, VertexDeclaration vertexDeclaration)
 {
     for (int i = 0; i < vertexDeclaration.Elements.Length; i++)
     {
         VertexElement element = vertexDeclaration.Elements[i];
         BindBuffer(buffer, element.Index, element.Size, element.Type, element.Normalized, vertexDeclaration.Stride, element.Offset);
     }
 }
Example #19
0
 /// <summary>
 /// Bind the specified <see cref="GraphicsBuffer"/> to this Vertex Array with specified parameters
 /// </summary>
 /// <param name="buffer"><see cref="GraphicsBuffer"/> to bind</param>
 /// <param name="index">Index of the Vertex Attribute to bind</param>
 /// <param name="size">Number of components per vertex atribute. Must be 1-4</param>
 /// <param name="type"><see cref="VertexAttribPointerType"/></param>
 /// <param name="normalized">Normalized</param>
 /// <param name="stride">Byte offset between consecutive vertex attributes</param>
 /// <param name="offset">Offset</param>
 public void BindBuffer(GraphicsBuffer buffer, int index, int size, VertexAttribPointerType type, bool normalized, int stride, int offset)
 {
     BindBuffer(buffer);
     GL.EnableVertexAttribArray(index);
     GL.VertexAttribPointer(index, size, type, normalized, stride, offset);
 }
Example #20
0
            static GraphicsMemoryRegion <GraphicsResource> CreateVertexBufferRegion(GraphicsContext graphicsContext, GraphicsBuffer vertexBuffer, GraphicsBuffer vertexStagingBuffer, float aspectRatio)
            {
                var vertexBufferRegion = vertexBuffer.Allocate(SizeOf <IdentityVertex>() * 3, alignment: 16);
                var pVertexBuffer      = vertexStagingBuffer.Map <IdentityVertex>(in vertexBufferRegion);

                pVertexBuffer[0] = new IdentityVertex {
                    Position = new Vector3(0.0f, 0.25f * aspectRatio, 0.0f),
                    Color    = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
                };

                pVertexBuffer[1] = new IdentityVertex {
                    Position = new Vector3(0.25f, -0.25f * aspectRatio, 0.0f),
                    Color    = new Vector4(0.0f, 1.0f, 0.0f, 1.0f)
                };

                pVertexBuffer[2] = new IdentityVertex {
                    Position = new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f),
                    Color    = new Vector4(0.0f, 0.0f, 1.0f, 1.0f)
                };

                vertexStagingBuffer.UnmapAndWrite(in vertexBufferRegion);
                return(vertexBufferRegion);
            }
Example #21
0
    // During initialization, we will allocate all required objects, and set up our custom instance data.
    void Start()
    {
        // Create the BatchRendererGroup and register assets
        m_BRG        = new BatchRendererGroup(this.OnPerformCulling, IntPtr.Zero);
        m_MeshID     = m_BRG.RegisterMesh(mesh);
        m_MaterialID = m_BRG.RegisterMaterial(material);

        // Create the buffer that holds our instance data
        m_InstanceData = new GraphicsBuffer(GraphicsBuffer.Target.Raw,
                                            (kExtraBytes + kBytesPerInstance * kNumInstances) / sizeof(int),
                                            sizeof(int));

        // Place one zero matrix at the start of the instance data buffer, so loads from address 0 will return zero
        var zero = new Matrix4x4[1] {
            Matrix4x4.zero
        };

        // Create transform matrices for our three example instances
        var matrices = new Matrix4x4[kNumInstances]
        {
            Matrix4x4.Translate(new Vector3(-2, 0, 0)),
            Matrix4x4.Translate(new Vector3(0, 0, 0)),
            Matrix4x4.Translate(new Vector3(2, 0, 0)),
        };

        // Convert the transform matrices into the packed format expected by the shader
        var objectToWorld = new PackedMatrix[kNumInstances]
        {
            new PackedMatrix(matrices[0]),
            new PackedMatrix(matrices[1]),
            new PackedMatrix(matrices[2]),
        };

        // Also create packed inverse matrices
        var worldToObject = new PackedMatrix[kNumInstances]
        {
            new PackedMatrix(matrices[0].inverse),
            new PackedMatrix(matrices[1].inverse),
            new PackedMatrix(matrices[2].inverse),
        };

        // Make all instances have unique colors
        var colors = new Vector4[kNumInstances]
        {
            new Vector4(1, 0, 0, 1),
            new Vector4(0, 1, 0, 1),
            new Vector4(0, 0, 1, 1),
        };

        // In this simple example, the instance data is placed into the buffer like this:
        // Offset | Description
        //      0 | 64 bytes of zeroes, so loads from address 0 return zeroes
        //     64 | 32 uninitialized bytes to make working with SetData easier, otherwise unnecessary
        //     96 | unity_ObjectToWorld, three packed float3x4 matrices
        //    240 | unity_WorldToObject, three packed float3x4 matrices
        //    384 | _BaseColor, three float4s

        // Compute start addresses for the different instanced properties. unity_ObjectToWorld starts
        // at address 96 instead of 64, because the computeBufferStartIndex parameter of SetData
        // is expressed as source array elements, so it is easier to work in multiples of sizeof(PackedMatrix).
        uint byteAddressObjectToWorld = kSizeOfPackedMatrix * 2;
        uint byteAddressWorldToObject = byteAddressObjectToWorld + kSizeOfPackedMatrix * kNumInstances;
        uint byteAddressColor         = byteAddressWorldToObject + kSizeOfPackedMatrix * kNumInstances;

        // Upload our instance data to the GraphicsBuffer, from where the shader can load them.
        m_InstanceData.SetData(zero, 0, 0, 1);
        m_InstanceData.SetData(objectToWorld, 0, (int)(byteAddressObjectToWorld / kSizeOfPackedMatrix), objectToWorld.Length);
        m_InstanceData.SetData(worldToObject, 0, (int)(byteAddressWorldToObject / kSizeOfPackedMatrix), worldToObject.Length);
        m_InstanceData.SetData(colors, 0, (int)(byteAddressColor / kSizeOfFloat4), colors.Length);

        // Set up metadata values to point to the instance data. Set the most significant bit 0x80000000 in each,
        // which instructs the shader that the data is an array with one value per instance, indexed by the instance index.
        // Any metadata values used by the shader and not set here will be zero. When such a value is used with
        // UNITY_ACCESS_DOTS_INSTANCED_PROP (i.e. without a default), the shader will interpret the
        // 0x00000000 metadata value so that the value will be loaded from the start of the buffer, which is
        // where we uploaded the matrix "zero" to, so such loads are guaranteed to return zero, which is a reasonable
        // default value.
        var metadata = new NativeArray <MetadataValue>(3, Allocator.Temp);

        metadata[0] = new MetadataValue {
            NameID = Shader.PropertyToID("unity_ObjectToWorld"), Value = 0x80000000 | byteAddressObjectToWorld,
        };
        metadata[1] = new MetadataValue {
            NameID = Shader.PropertyToID("unity_WorldToObject"), Value = 0x80000000 | byteAddressWorldToObject,
        };
        metadata[2] = new MetadataValue {
            NameID = Shader.PropertyToID("_BaseColor"), Value = 0x80000000 | byteAddressColor,
        };

        // Finally, create a batch for our instances, and make the batch use the GraphicsBuffer with our
        // instance data, and the metadata values that specify where the properties are. Note that
        // we do not need to pass any batch size here.
        m_BatchID = m_BRG.AddBatch(metadata, m_InstanceData.bufferHandle);
    }
Example #22
0
        private unsafe GraphicsPrimitive CreateTrianglePrimitive(GraphicsContext graphicsContext, GraphicsBuffer vertexStagingBuffer)
        {
            var graphicsDevice  = GraphicsDevice;
            var graphicsSurface = graphicsDevice.Surface;

            var graphicsPipeline = CreateGraphicsPipeline(graphicsDevice, "Transform", "main", "main");

            var constantBuffer = _constantBuffer;
            var vertexBuffer   = _vertexBuffer;

            var vertexBufferRegion = CreateVertexBufferRegion(graphicsContext, vertexBuffer, vertexStagingBuffer, aspectRatio: graphicsSurface.Width / graphicsSurface.Height);

            graphicsContext.Copy(vertexBuffer, vertexStagingBuffer);

            var inputResourceRegions = new GraphicsMemoryRegion <GraphicsResource>[2] {
                CreateConstantBufferRegion(graphicsContext, constantBuffer),
                CreateConstantBufferRegion(graphicsContext, constantBuffer),
            };

            return(graphicsDevice.CreatePrimitive(graphicsPipeline, vertexBufferRegion, SizeOf <IdentityVertex>(), inputResourceRegions: inputResourceRegions));
Example #23
0
        static GraphicsTextureView CreateTexture3DView(GraphicsCopyContext copyContext, GraphicsTexture texture3D, GraphicsBuffer uploadBuffer)
        {
            var uploadBufferView = uploadBuffer.CreateBufferView <byte>(checked ((uint)texture3D.ByteLength));
            var textureDataSpan  = uploadBufferView.Map <byte>();

            {
                var width = texture3D.PixelWidth;

                var height      = texture3D.PixelHeight;
                var bytesPerRow = texture3D.BytesPerRow;

                var depth         = texture3D.PixelDepth;
                var bytesPerLayer = texture3D.BytesPerLayer;

                for (var z = 0u; z < depth; z++)
                {
                    var layerIndex = z * bytesPerLayer;

                    for (var y = 0u; y < height; y++)
                    {
                        var rowIndex = layerIndex + (y * bytesPerRow);
                        var row      = (uint *)textureDataSpan.GetPointer(rowIndex);

                        for (var x = 0u; x < width; x++)
                        {
                            var red   = x * 256u / width;
                            var blue  = y * 256u / height;
                            var green = z * 256u / depth;
                            var alpha = 0xFFu;

                            row[x] = (alpha << 24) | (green << 16) | (blue << 8) | (red << 0);
                        }
                    }
                }
            }
            uploadBufferView.UnmapAndWrite();

            var texture3DView = texture3D.CreateView(0, 1);

            copyContext.Copy(texture3DView, uploadBufferView);
            return(texture3DView);
        }
Example #24
0
        public SkyFace(string textureName, SkyFaceSide faceSide)
        {
            this.vertexBuffer = VertexBuffer.CreateGeneric <PositionNormalTextured>(
                GameEngine.Device,
                4,
                Usage.WriteOnly,
                PositionNormalTextured.Format,
                Pool.Managed,
                null);

            this.corners = this.vertexBuffer.Lock <PositionNormalTextured>(0, 0, LockFlags.None);
            PositionNormalTextured[] data = new PositionNormalTextured[4];

            switch (faceSide)
            {
            case SkyFaceSide.Top:
                //Y always 100;
                //back x -100; front X +100;
                //back Z -100; front Z +100
                data[0].X  = -100f;
                data[0].Y  = 100f;
                data[0].Z  = -100f;
                data[0].U  = 0f;
                data[0].V  = 1f;
                data[0].Nx = 0f;
                data[0].Ny = -1f;
                data[0].Nz = 0f;
                data[1].X  = 100f;
                data[1].Y  = 100f;
                data[1].Z  = -100f;
                data[1].U  = 0f;
                data[1].V  = 0f;
                data[1].Nx = 0f;
                data[1].Ny = -1f;
                data[1].Nz = 0f;
                data[2].X  = -100f;
                data[2].Y  = 100f;
                data[2].Z  = 100f;
                data[2].U  = 1f;
                data[2].V  = 1f;
                data[2].Nx = 0;
                data[2].Ny = -1f;
                data[2].Nz = 0f;
                data[3].X  = 100f;
                data[2].Y  = 100f;
                data[3].Z  = 100f;
                data[3].U  = 1f;
                data[3].V  = 0f;
                data[3].Nx = 0f;
                data[3].Ny = -1f;
                data[3].Nz = 0f;
                break;

            case SkyFaceSide.Bottom:
                data[0].X  = -100.0f;    // nw
                data[0].Y  = -100.0f;
                data[0].Z  = 100.0f;
                data[0].U  = 0.0f;
                data[0].V  = 0.0f;
                data[0].Nx = 0.0f;
                data[0].Ny = 1.0f;
                data[0].Nz = 0.0f;
                data[1].X  = 100.0f;    // ne
                data[1].Y  = -100.0f;
                data[1].Z  = 100.0f;
                data[1].U  = 1.0f;
                data[1].V  = 1.0f;
                data[1].Nx = 0.0f;
                data[1].Ny = 1.0f;
                data[1].Nz = 0.0f;
                data[2].X  = -100.0f;    // sw
                data[2].Y  = -100.0f;
                data[2].Z  = -100.0f;
                data[2].U  = 1.0f;
                data[2].V  = 0.0f;
                data[2].Nx = 0.0f;
                data[2].Ny = 1.0f;
                data[2].Nz = 0.0f;
                data[3].X  = 100.0f;    // se
                data[3].Y  = -100.0f;
                data[3].Z  = -100.0f;
                data[3].U  = 0.0f;
                data[3].V  = 1.0f;
                data[3].Nx = 0.0f;
                data[3].Ny = 1.0f;
                data[3].Nz = 0.0f;
                break;

            case SkyFaceSide.Left:
                data[0].X  = -100.0f;    // upper south
                data[0].Y  = 100.0f;
                data[0].Z  = -100.0f;
                data[0].U  = 0.0f;
                data[0].V  = 0.0f;
                data[0].Nx = 1.0f;
                data[0].Ny = 0.0f;
                data[0].Nz = 0.0f;
                data[1].X  = -100.0f;    // upper north
                data[1].Y  = 100.0f;
                data[1].Z  = 100.0f;
                data[1].U  = 1.0f;
                data[1].V  = 0.0f;
                data[1].Nx = 1.0f;
                data[1].Ny = 0.0f;
                data[1].Nz = 0.0f;
                data[2].X  = -100.0f;    // lower south
                data[2].Y  = -100.0f;
                data[2].Z  = -100.0f;
                data[2].U  = 0.0f;
                data[2].V  = 1.0f;
                data[2].Nx = 1.0f;
                data[2].Ny = 0.0f;
                data[2].Nz = 0.0f;
                data[3].X  = -100.0f;    // lower north
                data[3].Y  = -100.0f;
                data[3].Z  = 100.0f;
                data[3].U  = 1.0f;
                data[3].V  = 1.0f;
                data[3].Nx = 1.0f;
                data[3].Ny = 0.0f;
                data[3].Nz = 0.0f;
                break;

            case SkyFaceSide.Right:
                data[0].X  = 100.0f;    // upper ne
                data[0].Y  = 100.0f;
                data[0].Z  = 100.0f;
                data[0].U  = 0.0f;
                data[0].V  = 0.0f;
                data[0].Nx = -1.0f;
                data[0].Ny = 0.0f;
                data[0].Nz = 0.0f;
                data[1].X  = 100.0f;    // upper se
                data[1].Y  = 100.0f;
                data[1].Z  = -100.0f;
                data[1].U  = 1.0f;
                data[1].V  = 0.0f;
                data[1].Nx = -1.0f;
                data[1].Ny = 0.0f;
                data[1].Nz = 0.0f;
                data[2].X  = 100.0f;    // lower ne
                data[2].Y  = -100.0f;
                data[2].Z  = 100.0f;
                data[2].U  = 0.0f;
                data[2].V  = 1.0f;
                data[2].Nx = -1.0f;
                data[2].Ny = 0.0f;
                data[2].Nz = 0.0f;
                data[3].X  = 100.0f;    // lower se
                data[3].Y  = -100.0f;
                data[3].Z  = -100.0f;
                data[3].U  = 1.0f;
                data[3].V  = 1.0f;
                data[3].Nx = -1.0f;
                data[3].Ny = 0.0f;
                data[3].Nz = 0.0f;
                break;

            case SkyFaceSide.Front:
                data[0].X  = -100.0f;    // upper nw
                data[0].Y  = 100.0f;
                data[0].Z  = 100.0f;
                data[0].U  = 0.0f;
                data[0].V  = 0.0f;
                data[0].Nx = 0.0f;
                data[0].Ny = 0.0f;
                data[0].Nz = -1.0f;
                data[1].X  = 100.0f;    // upper ne
                data[1].Y  = 100.0f;
                data[1].Z  = 100.0f;
                data[1].U  = 1.0f;
                data[1].V  = 0.0f;
                data[1].Nx = 0.0f;
                data[1].Ny = 0.0f;
                data[1].Nz = -1.0f;
                data[2].X  = -100.0f;    // lower nw
                data[2].Y  = -100.0f;
                data[2].Z  = 100.0f;
                data[2].U  = 0.0f;
                data[2].V  = 1.0f;
                data[2].Nx = 0.0f;
                data[2].Ny = 0.0f;
                data[2].Nz = -1.0f;
                data[3].X  = 100.0f;    // lower ne
                data[3].Y  = -100.0f;
                data[3].Z  = 100.0f;
                data[3].U  = 1.0f;
                data[3].V  = 1.0f;
                data[3].Nx = 0.0f;
                data[3].Ny = 0.0f;
                data[3].Nz = -1.0f;
                break;

            case SkyFaceSide.Back:
                data[0].X  = 100.0f;    // upper se
                data[0].Y  = 100.0f;
                data[0].Z  = -100.0f;
                data[0].U  = 0.0f;
                data[0].V  = 0.0f;
                data[0].Nx = 0.0f;
                data[0].Ny = 0.0f;
                data[0].Nz = -1.0f;
                data[1].X  = -100.0f;    // upper sw
                data[1].Y  = 100.0f;
                data[1].Z  = -100.0f;
                data[1].U  = 1.0f;
                data[1].V  = 0.0f;
                data[1].Nx = 0.0f;
                data[1].Ny = 0.0f;
                data[1].Nz = -1.0f;
                data[2].X  = 100.0f;    // lower se
                data[2].Y  = -100.0f;
                data[2].Z  = -100.0f;
                data[2].U  = 0.0f;
                data[2].V  = 1.0f;
                data[2].Nx = 0.0f;
                data[2].Ny = 0.0f;
                data[2].Nz = -1.0f;
                data[3].X  = -100.0f;    // lower sw
                data[3].Y  = -100.0f;
                data[3].Z  = -100.0f;
                data[3].U  = 1.0f;
                data[3].V  = 1.0f;
                data[3].Nx = 0.0f;
                data[3].Ny = 0.0f;
                data[3].Nz = -1.0f;
                break;
            }

            this.corners.Write(data);
            this.vertexBuffer.Unlock();
            this.texture = new Texture(GameEngine.Device, textureName);
            this.valid   = true;
        }
Example #25
0
 /// <inheritdoc />
 public override void Copy(GraphicsBuffer destination, GraphicsBuffer source) => Copy((D3D12GraphicsBuffer)destination, (D3D12GraphicsBuffer)source);
Example #26
0
 internal static global::System.Runtime.InteropServices.HandleRef getCPtr(GraphicsBuffer obj)
 {
     return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
 }
Example #27
0
 /// <inheritdoc />
 public override void Copy(GraphicsTexture destination, GraphicsBuffer source)
 => Copy((VulkanGraphicsTexture)destination, (VulkanGraphicsBuffer)source);
Example #28
0
 public void FillLightAndReflectionProbeIndices(GraphicsBuffer buffer)
 {
     Validate();
     FillLightAndReflectionProbeIndicesGraphicsBuffer(ptr, buffer);
 }
Example #29
0
 public abstract void Write(byte[] data, ref int offset, Model model, GraphicsBuffer buffer);
 public void DrawProcedural(GraphicsBuffer indexBuffer, Matrix4x4 matrix, Material material, int shaderPass, MeshTopology topology, int indexCount)
 {
     DrawProcedural(indexBuffer, matrix, material, shaderPass, topology, indexCount, 1);
 }
Example #31
0
 public TestShader(GraphicsBuffer <float> buffer, Func <float, float> f)
 {
     DestinationBuffer = buffer;
     this.f            = f;
 }
 public void DrawProceduralIndirect(GraphicsBuffer indexBuffer, Matrix4x4 matrix, Material material, int shaderPass, MeshTopology topology, ComputeBuffer bufferWithArgs)
 {
     DrawProceduralIndirect(indexBuffer, matrix, material, shaderPass, topology, bufferWithArgs, 0);
 }
Example #33
0
 public void SetBuffer(int nameID, GraphicsBuffer buffer)
 {
     SetGraphicsBuffer(nameID, buffer);
 }
Example #34
0
        public static bool Run(GrassBakeSettings settings, int lod, out Mesh generatedMesh)
        {
            GrassLODLevelSettings currentLOD;

            try
            {
                currentLOD = settings.grassLODLevelSettings[lod];
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
                generatedMesh = null;
                return(false);
            }

            DecomposeMesh(currentLOD.grassBladeMesh, 0, out SourceVertex[] sourceGrassBladeVertices, out int[] sourceGrassBladeIndices);

            int numBlades = (int)((settings.extents.x / settings.numTiles.x) * (settings.extents.y / settings.numTiles.y)
                                  / (currentLOD.density * currentLOD.density));

            GeneratedVertex[] generatedVertices = new GeneratedVertex[numBlades * sourceGrassBladeVertices.Length];
            int[]             generatedIndices  = new int[numBlades * sourceGrassBladeIndices.Length];

            GraphicsBuffer sourceGrassBladeVertexBuffer = new GraphicsBuffer(GraphicsBuffer.Target.Structured, sourceGrassBladeIndices.Length, SOURCE_VERTEX_STRIDE);
            GraphicsBuffer sourceGrassBladeIndexBuffer  = new GraphicsBuffer(GraphicsBuffer.Target.Structured, sourceGrassBladeIndices.Length, SOURCE_INDEX_STRIDE);
            GraphicsBuffer generatedVertexBuffer        = new GraphicsBuffer(GraphicsBuffer.Target.Structured, generatedVertices.Length, GENERATED_VERTEX_STRIDE);
            GraphicsBuffer generatedIndexBuffer         = new GraphicsBuffer(GraphicsBuffer.Target.Structured, generatedIndices.Length, GENERATED_INDEX_STRIDE);

            ComputeShader shader        = settings.computeShader;
            int           idGrassKernel = shader.FindKernel("CSMain");

            shader.SetBuffer(idGrassKernel, "_SourceGrassBladeVertices", sourceGrassBladeVertexBuffer);
            shader.SetBuffer(idGrassKernel, "_SourceGrassBladeIndices", sourceGrassBladeIndexBuffer);
            shader.SetBuffer(idGrassKernel, "_GeneratedVertices", generatedVertexBuffer);
            shader.SetBuffer(idGrassKernel, "_GeneratedIndices", generatedIndexBuffer);
            shader.SetVector("_MinMaxRandomScale", currentLOD.minMaxScale);
            shader.SetVector("_TileSize", settings.extents / settings.numTiles);
            shader.SetFloat("_Density", currentLOD.density);
            shader.SetFloat("_MaxRandomPositionShift", currentLOD.maxRandomPositionShift);
            shader.SetInt("_NumGrassBladeVertices", sourceGrassBladeVertices.Length);
            shader.SetInt("_NumGrassBladeIndices", sourceGrassBladeIndices.Length);

            sourceGrassBladeVertexBuffer.SetData(sourceGrassBladeVertices);
            sourceGrassBladeIndexBuffer.SetData(sourceGrassBladeIndices);

            int numBladesRemaining = numBlades;

            for (int i = 0; i <= generatedVertices.Length / MAX_VERTS_PER_DISPATCH; ++i)
            {
                int maxBlades            = MAX_VERTS_PER_DISPATCH / sourceGrassBladeVertices.Length;
                int numBladesToCalculate = numBladesRemaining > maxBlades ? maxBlades : numBladesRemaining;
                if (numBladesRemaining == 0)
                {
                    break;
                }

                shader.SetInt("_NumBlades", numBladesToCalculate);
                shader.SetInt("_StartBladeIndex", i * maxBlades);
                shader.SetInt("_StartVertexIndex", i * Mathf.FloorToInt((float)MAX_VERTS_PER_DISPATCH / sourceGrassBladeVertices.Length) * sourceGrassBladeVertices.Length);
                shader.GetKernelThreadGroupSizes(idGrassKernel, out uint threadGroupSize, out _, out _);
                int dispatchSize = Mathf.CeilToInt((float)numBladesToCalculate / threadGroupSize);
                shader.Dispatch(idGrassKernel, dispatchSize, 1, 1);

                generatedVertexBuffer.GetData(generatedVertices, i * maxBlades * sourceGrassBladeVertices.Length, 0, numBladesToCalculate * sourceGrassBladeVertices.Length);
                generatedIndexBuffer.GetData(generatedIndices, i * maxBlades * sourceGrassBladeIndices.Length, 0, numBladesToCalculate * sourceGrassBladeIndices.Length);

                numBladesRemaining -= numBladesToCalculate;
            }

            generatedMesh = ComposeMesh(generatedVertices, generatedIndices);

            sourceGrassBladeVertexBuffer.Release();
            sourceGrassBladeIndexBuffer.Release();
            generatedVertexBuffer.Release();
            generatedIndexBuffer.Release();

            return(true);
        }
 public ModelAttribute(GraphicsBuffer buffer, int offsetInBytes, Format format, int stride, ModelAttributeChannel channel, int index)
     : this(GetName(channel, index), buffer, offsetInBytes, format, stride, channel, index)
 {
 }
Example #36
0
        private static ShaderGenerator CreateShaderGeneratorWithDelegate(GraphicsBuffer <float> sourceBuffer, GraphicsBuffer <float> destinationBuffer)
        {
            StructuredBufferResource <float>   source      = sourceBuffer.GetStructuredBuffer();
            RWStructuredBufferResource <float> destination = destinationBuffer.GetRWStructuredBuffer();

            Action <CSInput> action = input =>
            {
                destination[input.DispatchThreadId.X] = Math.Max(source[input.DispatchThreadId.X], 45);
            };

            return(new ShaderGenerator(action, new ShaderAttribute("compute"), new NumThreadsAttribute(100, 1, 1)));
        }
Example #37
0
 public static RWStructuredBufferResource <T> GetRWStructuredBuffer <T>(this GraphicsBuffer <T> buffer) where T : unmanaged
 {
     return(new RWStructuredBufferResource <T>());
 }
Example #38
0
 /// <summary>
 /// Bind the specified <see cref="GraphicsBuffer"/> to this Vertex Array
 /// </summary>
 /// <param name="buffer"><see cref="GraphicsBuffer"/> to bind</param>
 public void BindBuffer(GraphicsBuffer buffer)
 {
     Bind();
     buffer.Bind();
 }