forked from Mirror/Ryujinx
359 lines
No EOL
12 KiB
C#
359 lines
No EOL
12 KiB
C#
using Ryujinx.Graphics.GAL;
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using Ryujinx.Graphics.Gpu.State;
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using Ryujinx.Graphics.Shader;
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using Ryujinx.Graphics.Shader.Translation;
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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.Runtime.InteropServices;
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namespace Ryujinx.Graphics.Gpu.Shader
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{
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class ShaderCache
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{
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private const int MaxProgramSize = 0x100000;
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private GpuContext _context;
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private ShaderDumper _dumper;
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private Dictionary<ulong, List<ComputeShader>> _cpPrograms;
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private Dictionary<ShaderAddresses, List<GraphicsShader>> _gpPrograms;
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public ShaderCache(GpuContext context)
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{
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_context = context;
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_dumper = new ShaderDumper(context);
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_cpPrograms = new Dictionary<ulong, List<ComputeShader>>();
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_gpPrograms = new Dictionary<ShaderAddresses, List<GraphicsShader>>();
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}
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public ComputeShader GetComputeShader(ulong gpuVa, int localSizeX, int localSizeY, int localSizeZ)
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{
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bool isCached = _cpPrograms.TryGetValue(gpuVa, out List<ComputeShader> list);
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if (isCached)
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{
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foreach (ComputeShader cachedCpShader in list)
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{
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if (!IsShaderDifferent(cachedCpShader, gpuVa))
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{
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return cachedCpShader;
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}
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}
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}
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CachedShader shader = TranslateComputeShader(gpuVa, localSizeX, localSizeY, localSizeZ);
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IShader hostShader = _context.Renderer.CompileShader(shader.Program);
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IProgram hostProgram = _context.Renderer.CreateProgram(new IShader[] { hostShader });
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ulong address = _context.MemoryManager.Translate(gpuVa);
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ComputeShader cpShader = new ComputeShader(hostProgram, shader);
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if (!isCached)
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{
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list = new List<ComputeShader>();
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_cpPrograms.Add(gpuVa, list);
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}
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list.Add(cpShader);
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return cpShader;
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}
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public GraphicsShader GetGraphicsShader(ShaderAddresses addresses, bool dividePosXY)
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{
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bool isCached = _gpPrograms.TryGetValue(addresses, out List<GraphicsShader> list);
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if (isCached)
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{
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foreach (GraphicsShader cachedGpShaders in list)
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{
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if (!IsShaderDifferent(cachedGpShaders, addresses))
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{
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return cachedGpShaders;
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}
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}
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}
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GraphicsShader gpShaders = new GraphicsShader();
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TranslationFlags flags =
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TranslationFlags.DebugMode |
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TranslationFlags.Unspecialized;
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if (dividePosXY)
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{
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flags |= TranslationFlags.DividePosXY;
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}
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if (addresses.VertexA != 0)
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{
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gpShaders.Shader[0] = TranslateGraphicsShader(flags, addresses.Vertex, addresses.VertexA);
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}
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else
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{
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gpShaders.Shader[0] = TranslateGraphicsShader(flags, addresses.Vertex);
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}
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gpShaders.Shader[1] = TranslateGraphicsShader(flags, addresses.TessControl);
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gpShaders.Shader[2] = TranslateGraphicsShader(flags, addresses.TessEvaluation);
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gpShaders.Shader[3] = TranslateGraphicsShader(flags, addresses.Geometry);
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gpShaders.Shader[4] = TranslateGraphicsShader(flags, addresses.Fragment);
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BackpropQualifiers(gpShaders);
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List<IShader> hostShaders = new List<IShader>();
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for (int stage = 0; stage < gpShaders.Shader.Length; stage++)
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{
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ShaderProgram program = gpShaders.Shader[stage].Program;
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if (program == null)
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{
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continue;
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}
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IShader hostShader = _context.Renderer.CompileShader(program);
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gpShaders.Shader[stage].Shader = hostShader;
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hostShaders.Add(hostShader);
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}
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gpShaders.HostProgram = _context.Renderer.CreateProgram(hostShaders.ToArray());
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if (!isCached)
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{
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list = new List<GraphicsShader>();
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_gpPrograms.Add(addresses, list);
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}
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list.Add(gpShaders);
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return gpShaders;
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}
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private bool IsShaderDifferent(ComputeShader cpShader, ulong gpuVa)
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{
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return IsShaderDifferent(cpShader.Shader, gpuVa);
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}
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private bool IsShaderDifferent(GraphicsShader gpShaders, ShaderAddresses addresses)
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{
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for (int stage = 0; stage < gpShaders.Shader.Length; stage++)
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{
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CachedShader shader = gpShaders.Shader[stage];
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if (shader.Code == null)
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{
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continue;
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}
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ulong gpuVa = 0;
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switch (stage)
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{
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case 0: gpuVa = addresses.Vertex; break;
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case 1: gpuVa = addresses.TessControl; break;
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case 2: gpuVa = addresses.TessEvaluation; break;
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case 3: gpuVa = addresses.Geometry; break;
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case 4: gpuVa = addresses.Fragment; break;
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}
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if (IsShaderDifferent(shader, gpuVa))
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{
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return true;
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}
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}
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return false;
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}
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private bool IsShaderDifferent(CachedShader shader, ulong gpuVa)
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{
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for (int index = 0; index < shader.Code.Length; index++)
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{
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if (_context.MemoryAccessor.ReadInt32(gpuVa + (ulong)index * 4) != shader.Code[index])
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{
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return true;
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}
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}
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return false;
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}
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private CachedShader TranslateComputeShader(ulong gpuVa, int localSizeX, int localSizeY, int localSizeZ)
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{
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if (gpuVa == 0)
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{
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return null;
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}
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ShaderProgram program;
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const TranslationFlags flags =
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TranslationFlags.Compute |
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TranslationFlags.DebugMode |
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TranslationFlags.Unspecialized;
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Span<byte> code = _context.MemoryAccessor.Read(gpuVa, MaxProgramSize);
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program = Translator.Translate(code, GetShaderCapabilities(), flags);
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int[] codeCached = MemoryMarshal.Cast<byte, int>(code.Slice(0, program.Size)).ToArray();
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program.Replace(DefineNames.LocalSizeX, localSizeX.ToString(CultureInfo.InvariantCulture));
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program.Replace(DefineNames.LocalSizeY, localSizeY.ToString(CultureInfo.InvariantCulture));
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program.Replace(DefineNames.LocalSizeZ, localSizeZ.ToString(CultureInfo.InvariantCulture));
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_dumper.Dump(code, compute: true, out string fullPath, out string codePath);
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if (fullPath != null && codePath != null)
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{
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program.Prepend("// " + codePath);
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program.Prepend("// " + fullPath);
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}
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return new CachedShader(program, codeCached);
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}
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private CachedShader TranslateGraphicsShader(TranslationFlags flags, ulong gpuVa, ulong gpuVaA = 0)
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{
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if (gpuVa == 0)
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{
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return new CachedShader(null, null);
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}
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ShaderProgram program;
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int[] codeCached = null;
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if (gpuVaA != 0)
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{
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Span<byte> codeA = _context.MemoryAccessor.Read(gpuVaA, MaxProgramSize);
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Span<byte> codeB = _context.MemoryAccessor.Read(gpuVa, MaxProgramSize);
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program = Translator.Translate(codeA, codeB, GetShaderCapabilities(), flags);
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// TODO: We should also check "codeA" into account.
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codeCached = MemoryMarshal.Cast<byte, int>(codeB.Slice(0, program.Size)).ToArray();
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_dumper.Dump(codeA, compute: false, out string fullPathA, out string codePathA);
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_dumper.Dump(codeB, compute: false, out string fullPathB, out string codePathB);
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if (fullPathA != null && fullPathB != null && codePathA != null && codePathB != null)
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{
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program.Prepend("// " + codePathB);
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program.Prepend("// " + fullPathB);
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program.Prepend("// " + codePathA);
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program.Prepend("// " + fullPathA);
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}
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}
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else
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{
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Span<byte> code = _context.MemoryAccessor.Read(gpuVa, MaxProgramSize);
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program = Translator.Translate(code, GetShaderCapabilities(), flags);
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codeCached = MemoryMarshal.Cast<byte, int>(code.Slice(0, program.Size)).ToArray();
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_dumper.Dump(code, compute: false, out string fullPath, out string codePath);
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if (fullPath != null && codePath != null)
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{
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program.Prepend("// " + codePath);
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program.Prepend("// " + fullPath);
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}
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}
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if (program.Stage == ShaderStage.Geometry)
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{
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PrimitiveType primitiveType = _context.Methods.PrimitiveType;
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string inPrimitive = "points";
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switch (primitiveType)
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{
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case PrimitiveType.Points:
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inPrimitive = "points";
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break;
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case PrimitiveType.Lines:
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case PrimitiveType.LineLoop:
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case PrimitiveType.LineStrip:
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inPrimitive = "lines";
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break;
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case PrimitiveType.LinesAdjacency:
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case PrimitiveType.LineStripAdjacency:
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inPrimitive = "lines_adjacency";
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break;
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case PrimitiveType.Triangles:
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case PrimitiveType.TriangleStrip:
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case PrimitiveType.TriangleFan:
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inPrimitive = "triangles";
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break;
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case PrimitiveType.TrianglesAdjacency:
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case PrimitiveType.TriangleStripAdjacency:
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inPrimitive = "triangles_adjacency";
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break;
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}
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program.Replace(DefineNames.InputTopologyName, inPrimitive);
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}
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ulong address = _context.MemoryManager.Translate(gpuVa);
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return new CachedShader(program, codeCached);
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}
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private void BackpropQualifiers(GraphicsShader program)
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{
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ShaderProgram fragmentShader = program.Shader[4].Program;
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bool isFirst = true;
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for (int stage = 3; stage >= 0; stage--)
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{
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if (program.Shader[stage].Program == null)
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{
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continue;
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}
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// We need to iterate backwards, since we do name replacement,
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// and it would otherwise replace a subset of the longer names.
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for (int attr = 31; attr >= 0; attr--)
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{
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string iq = fragmentShader?.Info.InterpolationQualifiers[attr].ToGlslQualifier() ?? string.Empty;
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if (isFirst && iq != string.Empty)
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{
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program.Shader[stage].Program.Replace($"{DefineNames.OutQualifierPrefixName}{attr}", iq);
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}
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else
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{
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program.Shader[stage].Program.Replace($"{DefineNames.OutQualifierPrefixName}{attr} ", string.Empty);
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}
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}
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isFirst = false;
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}
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}
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private ShaderCapabilities GetShaderCapabilities()
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{
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return new ShaderCapabilities(
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_context.Capabilities.MaximumViewportDimensions,
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_context.Capabilities.MaximumComputeSharedMemorySize,
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_context.Capabilities.StorageBufferOffsetAlignment);
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}
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}
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} |