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* Add copy dependency for some incompatible texture formats * Simplify compatibility check
253 lines
9.1 KiB
C#
253 lines
9.1 KiB
C#
using OpenTK.Graphics.OpenGL;
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using Ryujinx.Graphics.GAL;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Numerics;
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namespace Ryujinx.Graphics.OpenGL.Image
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{
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class TextureCopyIncompatible
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{
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private const string ComputeShaderShortening = @"#version 450 core
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layout (binding = 0, $SRC_FORMAT$) uniform uimage2D src;
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layout (binding = 1, $DST_FORMAT$) uniform uimage2D dst;
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layout (local_size_x = 32, local_size_y = 32, local_size_z = 1) in;
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void main()
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{
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uvec2 coords = gl_GlobalInvocationID.xy;
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ivec2 imageSz = imageSize(src);
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if (int(coords.x) >= imageSz.x || int(coords.y) >= imageSz.y)
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{
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return;
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}
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uint coordsShifted = coords.x << $RATIO_LOG2$;
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uvec2 dstCoords0 = uvec2(coordsShifted, coords.y);
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uvec2 dstCoords1 = uvec2(coordsShifted + 1, coords.y);
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uvec2 dstCoords2 = uvec2(coordsShifted + 2, coords.y);
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uvec2 dstCoords3 = uvec2(coordsShifted + 3, coords.y);
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uvec4 rgba = imageLoad(src, ivec2(coords));
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imageStore(dst, ivec2(dstCoords0), rgba.rrrr);
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imageStore(dst, ivec2(dstCoords1), rgba.gggg);
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imageStore(dst, ivec2(dstCoords2), rgba.bbbb);
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imageStore(dst, ivec2(dstCoords3), rgba.aaaa);
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}";
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private const string ComputeShaderWidening = @"#version 450 core
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layout (binding = 0, $SRC_FORMAT$) uniform uimage2D src;
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layout (binding = 1, $DST_FORMAT$) uniform uimage2D dst;
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layout (local_size_x = 32, local_size_y = 32, local_size_z = 1) in;
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void main()
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{
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uvec2 coords = gl_GlobalInvocationID.xy;
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ivec2 imageSz = imageSize(dst);
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if (int(coords.x) >= imageSz.x || int(coords.y) >= imageSz.y)
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{
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return;
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}
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uvec2 srcCoords = uvec2(coords.x << $RATIO_LOG2$, coords.y);
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uint r = imageLoad(src, ivec2(srcCoords) + ivec2(0, 0)).r;
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uint g = imageLoad(src, ivec2(srcCoords) + ivec2(1, 0)).r;
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uint b = imageLoad(src, ivec2(srcCoords) + ivec2(2, 0)).r;
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uint a = imageLoad(src, ivec2(srcCoords) + ivec2(3, 0)).r;
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imageStore(dst, ivec2(coords), uvec4(r, g, b, a));
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}";
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private readonly OpenGLRenderer _renderer;
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private readonly Dictionary<int, int> _shorteningProgramHandles;
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private readonly Dictionary<int, int> _wideningProgramHandles;
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public TextureCopyIncompatible(OpenGLRenderer renderer)
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{
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_renderer = renderer;
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_shorteningProgramHandles = new Dictionary<int, int>();
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_wideningProgramHandles = new Dictionary<int, int>();
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}
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public void CopyIncompatibleFormats(ITextureInfo src, ITextureInfo dst, int srcLayer, int dstLayer, int srcLevel, int dstLevel, int depth, int levels)
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{
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TextureCreateInfo srcInfo = src.Info;
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TextureCreateInfo dstInfo = dst.Info;
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int srcBpp = src.Info.BytesPerPixel;
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int dstBpp = dst.Info.BytesPerPixel;
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// Calculate ideal component size, given our constraints:
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// - Component size must not exceed bytes per pixel of source and destination image formats.
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// - Maximum component size is 4 (R32).
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int componentSize = Math.Min(Math.Min(srcBpp, dstBpp), 4);
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int srcComponentsCount = srcBpp / componentSize;
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int dstComponentsCount = dstBpp / componentSize;
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var srcFormat = GetFormat(componentSize, srcComponentsCount);
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var dstFormat = GetFormat(componentSize, dstComponentsCount);
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GL.UseProgram(srcBpp < dstBpp
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? GetWideningShader(componentSize, srcComponentsCount, dstComponentsCount)
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: GetShorteningShader(componentSize, srcComponentsCount, dstComponentsCount));
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for (int l = 0; l < levels; l++)
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{
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int srcWidth = Math.Max(1, src.Info.Width >> l);
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int srcHeight = Math.Max(1, src.Info.Height >> l);
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int dstWidth = Math.Max(1, dst.Info.Width >> l);
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int dstHeight = Math.Max(1, dst.Info.Height >> l);
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int width = Math.Min(srcWidth, dstWidth);
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int height = Math.Min(srcHeight, dstHeight);
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for (int z = 0; z < depth; z++)
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{
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GL.BindImageTexture(0, src.Handle, srcLevel + l, false, srcLayer + z, TextureAccess.ReadOnly, srcFormat);
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GL.BindImageTexture(1, dst.Handle, dstLevel + l, false, dstLayer + z, TextureAccess.WriteOnly, dstFormat);
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GL.DispatchCompute((width + 31) / 32, (height + 31) / 32, 1);
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}
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}
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Pipeline pipeline = (Pipeline)_renderer.Pipeline;
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pipeline.RestoreProgram();
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pipeline.RestoreImages1And2();
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}
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private static SizedInternalFormat GetFormat(int componentSize, int componentsCount)
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{
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if (componentSize == 1)
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{
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return componentsCount switch
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{
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1 => SizedInternalFormat.R8ui,
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2 => SizedInternalFormat.Rg8ui,
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4 => SizedInternalFormat.Rgba8ui,
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_ => throw new ArgumentException($"Invalid components count {componentsCount}.")
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};
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}
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else if (componentSize == 2)
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{
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return componentsCount switch
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{
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1 => SizedInternalFormat.R16ui,
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2 => SizedInternalFormat.Rg16ui,
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4 => SizedInternalFormat.Rgba16ui,
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_ => throw new ArgumentException($"Invalid components count {componentsCount}.")
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};
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}
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else if (componentSize == 4)
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{
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return componentsCount switch
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{
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1 => SizedInternalFormat.R32ui,
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2 => SizedInternalFormat.Rg32ui,
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4 => SizedInternalFormat.Rgba32ui,
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_ => throw new ArgumentException($"Invalid components count {componentsCount}.")
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};
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}
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else
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{
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throw new ArgumentException($"Invalid component size {componentSize}.");
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}
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}
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private int GetShorteningShader(int componentSize, int srcComponentsCount, int dstComponentsCount)
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{
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return GetShader(ComputeShaderShortening, _shorteningProgramHandles, componentSize, srcComponentsCount, dstComponentsCount);
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}
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private int GetWideningShader(int componentSize, int srcComponentsCount, int dstComponentsCount)
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{
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return GetShader(ComputeShaderWidening, _wideningProgramHandles, componentSize, srcComponentsCount, dstComponentsCount);
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}
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private int GetShader(
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string code,
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Dictionary<int, int> programHandles,
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int componentSize,
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int srcComponentsCount,
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int dstComponentsCount)
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{
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int componentSizeLog2 = BitOperations.Log2((uint)componentSize);
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int srcIndex = componentSizeLog2 + BitOperations.Log2((uint)srcComponentsCount) * 3;
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int dstIndex = componentSizeLog2 + BitOperations.Log2((uint)dstComponentsCount) * 3;
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int key = srcIndex | (dstIndex << 8);
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if (!programHandles.TryGetValue(key, out int programHandle))
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{
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int csHandle = GL.CreateShader(ShaderType.ComputeShader);
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string[] formatTable = new[] { "r8ui", "r16ui", "r32ui", "rg8ui", "rg16ui", "rg32ui", "rgba8ui", "rgba16ui", "rgba32ui" };
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string srcFormat = formatTable[srcIndex];
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string dstFormat = formatTable[dstIndex];
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int srcBpp = srcComponentsCount * componentSize;
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int dstBpp = dstComponentsCount * componentSize;
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int ratio = srcBpp < dstBpp ? dstBpp / srcBpp : srcBpp / dstBpp;
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int ratioLog2 = BitOperations.Log2((uint)ratio);
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GL.ShaderSource(csHandle, code
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.Replace("$SRC_FORMAT$", srcFormat)
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.Replace("$DST_FORMAT$", dstFormat)
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.Replace("$RATIO_LOG2$", ratioLog2.ToString(CultureInfo.InvariantCulture)));
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GL.CompileShader(csHandle);
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programHandle = GL.CreateProgram();
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GL.AttachShader(programHandle, csHandle);
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GL.LinkProgram(programHandle);
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GL.DetachShader(programHandle, csHandle);
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GL.DeleteShader(csHandle);
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GL.GetProgram(programHandle, GetProgramParameterName.LinkStatus, out int status);
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if (status == 0)
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{
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throw new Exception(GL.GetProgramInfoLog(programHandle));
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}
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programHandles.Add(key, programHandle);
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}
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return programHandle;
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}
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public void Dispose()
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{
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foreach (int handle in _shorteningProgramHandles.Values)
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{
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GL.DeleteProgram(handle);
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}
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_shorteningProgramHandles.Clear();
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foreach (int handle in _wideningProgramHandles.Values)
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{
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GL.DeleteProgram(handle);
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}
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_wideningProgramHandles.Clear();
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}
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}
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}
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