コード例 #1
0
        public override void Initialise(Device device, VulkanBufferManager bufferManager)
        {
            this.vertexShader = device.CreateVertexModule(shanq => from input in shanq.GetInput <Vertex>()
                                                          select new VertexOutput
            {
                Colour   = input.Colour,
                Position = new vec4(input.Position, 0, 1)
            });

            this.fragmentShader = device.CreateFragmentModule(shanq => from input in shanq.GetInput <FragmentInput>()
                                                              select new FragmentOutput
            {
                Colour = new vec4(input.Colour, 1)
            });

            indexCount = indices.Count();

            this.vertexBuffer = bufferManager.CreateBuffer((uint)Marshal.SizeOf <Vertex>() * (uint)vertices.Length, BufferUsageFlags.TransferDestination | BufferUsageFlags.VertexBuffer, MemoryPropertyFlags.DeviceLocal);

            this.vertexBuffer.Update(vertices);

            this.indexBuffer = bufferManager.CreateBuffer((uint)Marshal.SizeOf <uint>() * (uint)indices.Length, BufferUsageFlags.TransferDestination | BufferUsageFlags.IndexBuffer, MemoryPropertyFlags.DeviceLocal);

            this.indexBuffer.Update(indices);

            this.pipelineLayout = device.CreatePipelineLayout(null, null);
        }
コード例 #2
0
ファイル: SpriteStage.cs プロジェクト: FacticiusVir/Tectonic
        public override void Initialise(Device device, VulkanBufferManager bufferManager)
        {
            this.vertexShader = device.CreateVertexModule(shanq => from input in shanq.GetInput <Vertex>()
                                                          from spriteData in shanq.GetInput <SpriteData>()
                                                          from renderState in shanq.GetBinding <RenderState>(1)
                                                          select new VertexOutput
            {
                Uv       = new vec2((spriteData.AtlasPosition.x + input.Uv.x), (spriteData.AtlasPosition.y + input.Uv.y)) * renderState.SpriteSize,
                Position = renderState.Projection * renderState.View * spriteData.Transform * new vec4(input.Position, 0, 1)
            });

            this.fragmentShader = device.CreateFragmentModule(shanq => from input in shanq.GetInput <FragmentInput>()
                                                              from texture in shanq.GetSampler2d <vec4>(0, 0)
                                                              let texColour = texture.Sample(input.Uv)
                                                                              select new FragmentOutput
            {
                Colour = texColour * new vec4(0.5f, 0.5f, 0.5f, 1)
            });

            indexCount = indices.Count();

            this.vertexBuffer = bufferManager.CreateBuffer <Vertex>(vertices.Length, BufferUsageFlags.TransferDestination | BufferUsageFlags.VertexBuffer, MemoryPropertyFlags.DeviceLocal);

            this.vertexBuffer.Update(vertices);

            this.indexBuffer = bufferManager.CreateBuffer <uint>(indices.Length, BufferUsageFlags.TransferDestination | BufferUsageFlags.IndexBuffer, MemoryPropertyFlags.DeviceLocal);

            this.indexBuffer.Update(indices);

            this.spriteDataBuffer = bufferManager.CreateBuffer <SpriteData>(maxInstanceCount, BufferUsageFlags.TransferDestination | BufferUsageFlags.VertexBuffer, MemoryPropertyFlags.DeviceLocal);

            this.spriteDataBuffer.Update(new SpriteData());

            this.indirectCommandBuffer = bufferManager.CreateBuffer <DrawIndexedIndirectCommand>(1, BufferUsageFlags.TransferDestination | BufferUsageFlags.IndirectBuffer, MemoryPropertyFlags.DeviceLocal);

            this.renderStateBuffer = bufferManager.CreateBuffer <RenderState>(1, BufferUsageFlags.TransferDestination | BufferUsageFlags.UniformBuffer, MemoryPropertyFlags.DeviceLocal);

            const string building = ".\\textures\\iso-64x64-building.png";
            const string cube     = ".\\textures\\cube.png";

            var textureSource = SixLabors.ImageSharp.Image.Load(cube);

            uint       textureWidth  = (uint)textureSource.Width;
            uint       textureHeight = (uint)textureSource.Height;
            DeviceSize imageSize     = textureWidth * textureHeight * 4;

            using (var stagingImage = bufferManager.CreateImage(textureWidth, textureHeight, Format.R8G8B8A8UNorm, ImageTiling.Linear, ImageUsageFlags.TransferSource, MemoryPropertyFlags.HostVisible | MemoryPropertyFlags.HostCoherent, true))
            {
                IntPtr memoryBuffer = stagingImage.Map();

                unsafe
                {
                    fixed(byte *rgbaPointer = textureSource.SavePixelData())
                    {
                        System.Buffer.MemoryCopy(rgbaPointer, memoryBuffer.ToPointer(), imageSize, imageSize);
                    }
                }

                stagingImage.Unmap();

                this.textureImage = bufferManager.CreateImage(textureWidth, textureHeight, Format.R8G8B8A8UNorm, ImageTiling.Optimal, ImageUsageFlags.TransferDestination | ImageUsageFlags.Sampled, MemoryPropertyFlags.DeviceLocal, false);

                stagingImage.TransitionImageLayout(ImageLayout.Preinitialized, ImageLayout.TransferSourceOptimal);
                this.textureImage.TransitionImageLayout(ImageLayout.Undefined, ImageLayout.TransferDestinationOptimal);

                stagingImage.Copy(this.textureImage, textureWidth, textureHeight);
                this.textureImage.TransitionImageLayout(ImageLayout.TransferDestinationOptimal, ImageLayout.ShaderReadOnlyOptimal);
            }

            this.textureImageView = device.CreateImageView(this.textureImage.Image,
                                                           ImageViewType.ImageView2d,
                                                           Format.R8G8B8A8UNorm,
                                                           ComponentMapping.Identity,
                                                           new ImageSubresourceRange(ImageAspectFlags.Color, 0, 1, 0, 1));

            this.textureSampler = device.CreateSampler(Filter.Nearest,
                                                       Filter.Nearest,
                                                       SamplerMipmapMode.Nearest,
                                                       SamplerAddressMode.ClampToBorder,
                                                       SamplerAddressMode.ClampToBorder,
                                                       SamplerAddressMode.ClampToBorder,
                                                       0,
                                                       false,
                                                       1,
                                                       false,
                                                       CompareOp.Always,
                                                       0,
                                                       0,
                                                       BorderColor.FloatTransparentBlack,
                                                       true);

            this.descriptorPool = device.CreateDescriptorPool(2,
                                                              new[]
            {
                new DescriptorPoolSize
                {
                    DescriptorCount = 2,
                    Type            = DescriptorType.UniformBuffer
                },
                new DescriptorPoolSize
                {
                    DescriptorCount = 2,
                    Type            = DescriptorType.CombinedImageSampler
                }
            });

            this.descriptorSetLayout = device.CreateDescriptorSetLayout(
                new[]
            {
                new DescriptorSetLayoutBinding
                {
                    Binding         = 0,
                    DescriptorCount = 1,
                    DescriptorType  = DescriptorType.CombinedImageSampler,
                    StageFlags      = ShaderStageFlags.Fragment
                },
                new DescriptorSetLayoutBinding
                {
                    Binding         = 1,
                    DescriptorCount = 1,
                    DescriptorType  = DescriptorType.UniformBuffer,
                    StageFlags      = ShaderStageFlags.Vertex
                }
            });

            this.pipelineLayout = device.CreatePipelineLayout(this.descriptorSetLayout, null);

            this.descriptorSet = device.AllocateDescriptorSet(descriptorPool, this.descriptorSetLayout);

            device.UpdateDescriptorSets(new[]
            {
                new WriteDescriptorSet
                {
                    ImageInfo = new []
                    {
                        new DescriptorImageInfo
                        {
                            ImageView   = textureImageView,
                            Sampler     = textureSampler,
                            ImageLayout = ImageLayout.ShaderReadOnlyOptimal
                        }
                    },
                    DescriptorCount         = 1,
                    DestinationSet          = this.descriptorSet,
                    DestinationBinding      = 0,
                    DestinationArrayElement = 0,
                    DescriptorType          = DescriptorType.CombinedImageSampler
                },
                new WriteDescriptorSet
                {
                    BufferInfo = new[]
                    {
                        new DescriptorBufferInfo
                        {
                            Buffer = this.renderStateBuffer.Buffer,
                            Offset = 0,
                            Range  = Constants.WholeSize
                        }
                    },
                    DescriptorCount         = 1,
                    DestinationSet          = this.descriptorSet,
                    DestinationBinding      = 1,
                    DestinationArrayElement = 0,
                    DescriptorType          = DescriptorType.UniformBuffer
                }
            }, null);
        }