public DescriptorSetUpdater(VulkanGraphicsDevice gd, PipelineBase pipeline)
{
_gd = gd;
_pipeline = pipeline;
_uniformBuffers = Array.Empty <DescriptorBufferInfo>();
_storageBuffers = Array.Empty <DescriptorBufferInfo>();
_textures = new DescriptorImageInfo[32 * 5];
_textureRefs = new Auto <DisposableImageView> [32 * 5];
_samplerRefs = new Auto <DisposableSampler> [32 * 5];
_images = Array.Empty <DescriptorImageInfo>();
_bufferTextures = Array.Empty <BufferView>();
_bufferImages = Array.Empty <BufferView>();
_dummyTexture = (TextureView)gd.CreateTexture(new GAL.TextureCreateInfo(
1,
1,
1,
1,
1,
1,
1,
4,
GAL.Format.R8G8B8A8Unorm,
DepthStencilMode.Depth,
Target.Texture2D,
SwizzleComponent.Red,
SwizzleComponent.Green,
SwizzleComponent.Blue,
SwizzleComponent.Alpha), 1f);
_dummySampler = (SamplerHolder)gd.CreateSampler(new GAL.SamplerCreateInfo(
MinFilter.Nearest,
MagFilter.Nearest,
false,
AddressMode.Repeat,
AddressMode.Repeat,
AddressMode.Repeat,
CompareMode.None,
GAL.CompareOp.Always,
new ColorF(0, 0, 0, 0),
0,
0,
0,
1f));
}
public void DrawTexture(
VulkanRenderer gd,
PipelineBase pipeline,
TextureView src,
ISampler srcSampler,
Extents2DF srcRegion,
Extents2DF dstRegion)
{
const int RegionBufferSize = 16;
pipeline.SetTextureAndSampler(ShaderStage.Fragment, 0, src, srcSampler);
Span <float> region = stackalloc float[RegionBufferSize / sizeof(float)];
region[0] = srcRegion.X1 / src.Width;
region[1] = srcRegion.X2 / src.Width;
region[2] = srcRegion.Y1 / src.Height;
region[3] = srcRegion.Y2 / src.Height;
if (dstRegion.X1 > dstRegion.X2)
{
(region[0], region[1]) = (region[1], region[0]);
}
if (dstRegion.Y1 > dstRegion.Y2)
{
(region[2], region[3]) = (region[3], region[2]);
}
var bufferHandle = gd.BufferManager.CreateWithHandle(gd, RegionBufferSize, false);
gd.BufferManager.SetData <float>(bufferHandle, 0, region);
Span <BufferRange> bufferRanges = stackalloc BufferRange[1];
bufferRanges[0] = new BufferRange(bufferHandle, 0, RegionBufferSize);
pipeline.SetUniformBuffers(1, bufferRanges);
Span <GAL.Viewport> viewports = stackalloc GAL.Viewport[1];
var rect = new Rectangle <float>(
MathF.Min(dstRegion.X1, dstRegion.X2),
MathF.Min(dstRegion.Y1, dstRegion.Y2),
MathF.Abs(dstRegion.X2 - dstRegion.X1),
MathF.Abs(dstRegion.Y2 - dstRegion.Y1));
viewports[0] = new GAL.Viewport(
rect,
ViewportSwizzle.PositiveX,
ViewportSwizzle.PositiveY,
ViewportSwizzle.PositiveZ,
ViewportSwizzle.PositiveW,
0f,
1f);
Span <Rectangle <int> > scissors = stackalloc Rectangle <int> [1];
pipeline.SetProgram(_programColorBlit);
pipeline.SetViewports(viewports, false);
pipeline.SetPrimitiveTopology(GAL.PrimitiveTopology.TriangleStrip);
pipeline.Draw(4, 1, 0, 0);
gd.BufferManager.Delete(bufferHandle);
}
public DescriptorSetUpdater(VulkanRenderer gd, PipelineBase pipeline)
{
_gd = gd;
_pipeline = pipeline;
// Some of the bindings counts needs to be multiplied by 2 because we have buffer and
// regular textures/images interleaved on the same descriptor set.
_uniformBufferRefs = new Auto <DisposableBuffer> [Constants.MaxUniformBufferBindings];
_storageBufferRefs = new Auto <DisposableBuffer> [Constants.MaxStorageBufferBindings];
_textureRefs = new Auto <DisposableImageView> [Constants.MaxTextureBindings * 2];
_samplerRefs = new Auto <DisposableSampler> [Constants.MaxTextureBindings * 2];
_imageRefs = new Auto <DisposableImageView> [Constants.MaxImageBindings * 2];
_bufferTextureRefs = new TextureBuffer[Constants.MaxTextureBindings * 2];
_bufferImageRefs = new TextureBuffer[Constants.MaxImageBindings * 2];
_bufferImageFormats = new GAL.Format[Constants.MaxImageBindings * 2];
_uniformBuffers = new DescriptorBufferInfo[Constants.MaxUniformBufferBindings];
_storageBuffers = new DescriptorBufferInfo[Constants.MaxStorageBufferBindings];
_textures = new DescriptorImageInfo[Constants.MaxTexturesPerStage];
_images = new DescriptorImageInfo[Constants.MaxImagesPerStage];
_bufferTextures = new BufferView[Constants.MaxTexturesPerStage];
_bufferImages = new BufferView[Constants.MaxImagesPerStage];
var initialImageInfo = new DescriptorImageInfo()
{
ImageLayout = ImageLayout.General
};
_textures.AsSpan().Fill(initialImageInfo);
_images.AsSpan().Fill(initialImageInfo);
_uniformSet = new bool[Constants.MaxUniformBufferBindings];
_storageSet = new bool[Constants.MaxStorageBufferBindings];
if (gd.Capabilities.SupportsNullDescriptors)
{
// If null descriptors are supported, we can pass null as the handle.
_dummyBuffer = null;
}
else
{
// If null descriptors are not supported, we need to pass the handle of a dummy buffer on unused bindings.
_dummyBuffer = gd.BufferManager.Create(gd, 0x10000, forConditionalRendering: false, deviceLocal: true);
}
_dummyTexture = gd.CreateTextureView(new GAL.TextureCreateInfo(
1,
1,
1,
1,
1,
1,
1,
4,
GAL.Format.R8G8B8A8Unorm,
DepthStencilMode.Depth,
Target.Texture2D,
SwizzleComponent.Red,
SwizzleComponent.Green,
SwizzleComponent.Blue,
SwizzleComponent.Alpha), 1f);
_dummySampler = (SamplerHolder)gd.CreateSampler(new GAL.SamplerCreateInfo(
MinFilter.Nearest,
MagFilter.Nearest,
false,
AddressMode.Repeat,
AddressMode.Repeat,
AddressMode.Repeat,
CompareMode.None,
GAL.CompareOp.Always,
new ColorF(0, 0, 0, 0),
0,
0,
0,
1f));
}
