Merge shader branch, adding support for GLSL decompilation, a macro
interpreter, and a rewrite of the GPU code.
This commit is contained in:
gdkchan
parent
7acd0e0122
commit
b9aa3966c0
77 changed files with 5301 additions and 766 deletions
469
Ryujinx.Graphics/Gpu/NvGpuEngine3d.cs
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469
Ryujinx.Graphics/Gpu/NvGpuEngine3d.cs
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using ChocolArm64.Memory;
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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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namespace Ryujinx.Graphics.Gpu
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{
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class NvGpuEngine3d : INvGpuEngine
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{
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public int[] Registers { get; private set; }
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private NsGpu Gpu;
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private Dictionary<int, NvGpuMethod> Methods;
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private struct ConstBuffer
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{
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public bool Enabled;
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public long Position;
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public int Size;
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}
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private ConstBuffer[] Cbs;
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private bool HasDataToRender;
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public NvGpuEngine3d(NsGpu Gpu)
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{
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this.Gpu = Gpu;
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Registers = new int[0xe00];
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Methods = new Dictionary<int, NvGpuMethod>();
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void AddMethod(int Meth, int Count, int Stride, NvGpuMethod Method)
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{
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while (Count-- > 0)
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{
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Methods.Add(Meth, Method);
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Meth += Stride;
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}
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}
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AddMethod(0x585, 1, 1, VertexEndGl);
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AddMethod(0x674, 1, 1, ClearBuffers);
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AddMethod(0x6c3, 1, 1, QueryControl);
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AddMethod(0x8e4, 16, 1, CbData);
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AddMethod(0x904, 1, 1, CbBind);
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Cbs = new ConstBuffer[18];
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}
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public void CallMethod(AMemory Memory, NsGpuPBEntry PBEntry)
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{
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if (Methods.TryGetValue(PBEntry.Method, out NvGpuMethod Method))
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{
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Method(Memory, PBEntry);
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}
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else
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{
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WriteRegister(PBEntry);
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}
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}
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private void VertexEndGl(AMemory Memory, NsGpuPBEntry PBEntry)
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{
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SetFrameBuffer(0);
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long[] Tags = UploadShaders(Memory);
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Gpu.Renderer.BindProgram();
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SetAlphaBlending();
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UploadTextures(Memory, Tags);
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UploadUniforms(Memory);
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UploadVertexArrays(Memory);
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HasDataToRender = true;
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}
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private void ClearBuffers(AMemory Memory, NsGpuPBEntry PBEntry)
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{
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if (HasDataToRender)
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{
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HasDataToRender = false;
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Gpu.Renderer.DrawFrameBuffer(0);
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}
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int Arg0 = PBEntry.Arguments[0];
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int FbIndex = (Arg0 >> 6) & 0xf;
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int Layer = (Arg0 >> 10) & 0x3ff;
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GalClearBufferFlags Flags = (GalClearBufferFlags)(Arg0 & 0x3f);
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SetFrameBuffer(0);
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Gpu.Renderer.ClearBuffers(Layer, Flags);
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}
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private void SetFrameBuffer(int FbIndex)
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{
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int Width = ReadRegister(NvGpuEngine3dReg.FrameBufferNWidth + FbIndex * 0x10);
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int Height = ReadRegister(NvGpuEngine3dReg.FrameBufferNHeight + FbIndex * 0x10);
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Gpu.Renderer.SetFb(FbIndex, Width, Height);
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Gpu.Renderer.BindFrameBuffer(FbIndex);
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}
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private long[] UploadShaders(AMemory Memory)
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{
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long[] Tags = new long[5];
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long BasePosition = MakeInt64From2xInt32(NvGpuEngine3dReg.ShaderAddress);
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for (int Index = 0; Index < 6; Index++)
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{
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int Control = ReadRegister(NvGpuEngine3dReg.ShaderNControl + Index * 0x10);
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int Offset = ReadRegister(NvGpuEngine3dReg.ShaderNOffset + Index * 0x10);
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//Note: Vertex Program (B) is always enabled.
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bool Enable = (Control & 1) != 0 || Index == 1;
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if (!Enable)
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{
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continue;
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}
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long Tag = BasePosition + (uint)Offset;
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long Position = Gpu.GetCpuAddr(Tag);
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//TODO: Find a better way to calculate the size.
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int Size = 0x20000;
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byte[] Code = AMemoryHelper.ReadBytes(Memory, Position, (uint)Size);
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GalShaderType ShaderType = GetTypeFromProgram(Index);
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Tags[(int)ShaderType] = Tag;
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Gpu.Renderer.CreateShader(Tag, ShaderType, Code);
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Gpu.Renderer.BindShader(Tag);
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}
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return Tags;
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}
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private static GalShaderType GetTypeFromProgram(int Program)
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{
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switch (Program)
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{
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case 0:
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case 1: return GalShaderType.Vertex;
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case 2: return GalShaderType.TessControl;
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case 3: return GalShaderType.TessEvaluation;
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case 4: return GalShaderType.Geometry;
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case 5: return GalShaderType.Fragment;
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}
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throw new ArgumentOutOfRangeException(nameof(Program));
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}
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private void SetAlphaBlending()
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{
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bool BlendEnableMaster = (ReadRegister(NvGpuEngine3dReg.BlendEnableMaster) & 1) != 0;
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Gpu.Renderer.SetBlendEnable(BlendEnableMaster);
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bool BlendSeparateAlpha = (ReadRegister(NvGpuEngine3dReg.BlendSeparateAlpha) & 1) != 0;
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GalBlendEquation EquationRgb = (GalBlendEquation)ReadRegister(NvGpuEngine3dReg.BlendEquationRgb);
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GalBlendFactor FuncSrcRgb = (GalBlendFactor)ReadRegister(NvGpuEngine3dReg.BlendFuncSrcRgb);
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GalBlendFactor FuncDstRgb = (GalBlendFactor)ReadRegister(NvGpuEngine3dReg.BlendFuncDstRgb);
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if (BlendSeparateAlpha)
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{
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GalBlendEquation EquationAlpha = (GalBlendEquation)ReadRegister(NvGpuEngine3dReg.BlendEquationAlpha);
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GalBlendFactor FuncSrcAlpha = (GalBlendFactor)ReadRegister(NvGpuEngine3dReg.BlendFuncSrcAlpha);
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GalBlendFactor FuncDstAlpha = (GalBlendFactor)ReadRegister(NvGpuEngine3dReg.BlendFuncDstAlpha);
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Gpu.Renderer.SetBlendSeparate(
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EquationRgb,
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EquationAlpha,
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FuncSrcRgb,
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FuncDstRgb,
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FuncSrcAlpha,
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FuncDstAlpha);
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}
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else
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{
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Gpu.Renderer.SetBlend(EquationRgb, FuncSrcRgb, FuncDstRgb);
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}
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}
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private void UploadTextures(AMemory Memory, long[] Tags)
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{
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long BaseShPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.ShaderAddress);
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int TextureCbIndex = ReadRegister(NvGpuEngine3dReg.TextureCbIndex);
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long BasePosition = Cbs[TextureCbIndex].Position;
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long Size = (uint)Cbs[TextureCbIndex].Size;
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int TexIndex = 0;
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for (int Index = 0; Index < Tags.Length; Index++)
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{
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foreach (ShaderDeclInfo DeclInfo in Gpu.Renderer.GetTextureUsage(Tags[Index]))
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{
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long Position = BasePosition + Index * Size;
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UploadTexture(Memory, Position, TexIndex, DeclInfo.Index);
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Gpu.Renderer.SetUniform1(DeclInfo.Name, TexIndex);
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TexIndex++;
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}
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}
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}
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private void UploadTexture(AMemory Memory, long BasePosition, int TexIndex, int HndIndex)
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{
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long Position = BasePosition + HndIndex * 4;
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int TextureHandle = Memory.ReadInt32(Position);
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int TicIndex = (TextureHandle >> 0) & 0xfffff;
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int TscIndex = (TextureHandle >> 20) & 0xfff;
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TryGetCpuAddr(NvGpuEngine3dReg.TexHeaderPoolOffset, out long TicPosition);
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TryGetCpuAddr(NvGpuEngine3dReg.TexSamplerPoolOffset, out long TscPosition);
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TicPosition += TicIndex * 0x20;
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TscPosition += TscIndex * 0x20;
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Gpu.Renderer.SetTexture(TexIndex, TextureFactory.MakeTexture(Gpu, Memory, TicPosition));
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Gpu.Renderer.SetSampler(TexIndex, TextureFactory.MakeSampler(Gpu, Memory, TscPosition));
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}
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private void UploadUniforms(AMemory Memory)
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{
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long BasePosition = MakeInt64From2xInt32(NvGpuEngine3dReg.ShaderAddress);
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for (int Index = 0; Index < 5; Index++)
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{
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int Control = ReadRegister(NvGpuEngine3dReg.ShaderNControl + (Index + 1) * 0x10);
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int Offset = ReadRegister(NvGpuEngine3dReg.ShaderNOffset + (Index + 1) * 0x10);
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//Note: Vertex Program (B) is always enabled.
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bool Enable = (Control & 1) != 0 || Index == 0;
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if (!Enable)
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{
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continue;
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}
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for (int Cbuf = 0; Cbuf < Cbs.Length; Cbuf++)
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{
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ConstBuffer Cb = Cbs[Cbuf];
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if (Cb.Enabled)
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{
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long CbPosition = Cb.Position + Index * Cb.Size;
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byte[] Data = AMemoryHelper.ReadBytes(Memory, CbPosition, (uint)Cb.Size);
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Gpu.Renderer.SetConstBuffer(BasePosition + (uint)Offset, Cbuf, Data);
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}
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}
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}
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}
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private void UploadVertexArrays(AMemory Memory)
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{
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long IndexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.IndexArrayAddress);
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int IndexSize = ReadRegister(NvGpuEngine3dReg.IndexArrayFormat);
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int IndexFirst = ReadRegister(NvGpuEngine3dReg.IndexBatchFirst);
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int IndexCount = ReadRegister(NvGpuEngine3dReg.IndexBatchCount);
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GalIndexFormat IndexFormat = (GalIndexFormat)IndexSize;
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IndexSize = 1 << IndexSize;
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if (IndexSize > 4)
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{
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throw new InvalidOperationException();
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}
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if (IndexSize != 0)
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{
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IndexPosition = Gpu.GetCpuAddr(IndexPosition);
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int BufferSize = IndexCount * IndexSize;
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byte[] Data = AMemoryHelper.ReadBytes(Memory, IndexPosition, BufferSize);
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Gpu.Renderer.SetIndexArray(Data, IndexFormat);
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}
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List<GalVertexAttrib>[] Attribs = new List<GalVertexAttrib>[32];
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for (int Attr = 0; Attr < 16; Attr++)
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{
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int Packed = ReadRegister(NvGpuEngine3dReg.VertexAttribNFormat + Attr);
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int ArrayIndex = Packed & 0x1f;
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if (Attribs[ArrayIndex] == null)
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{
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Attribs[ArrayIndex] = new List<GalVertexAttrib>();
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}
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Attribs[ArrayIndex].Add(new GalVertexAttrib(
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((Packed >> 6) & 0x1) != 0,
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(Packed >> 7) & 0x3fff,
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(GalVertexAttribSize)((Packed >> 21) & 0x3f),
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(GalVertexAttribType)((Packed >> 27) & 0x7),
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((Packed >> 31) & 0x1) != 0));
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}
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for (int Index = 0; Index < 32; Index++)
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{
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int Control = ReadRegister(NvGpuEngine3dReg.VertexArrayNControl + Index * 4);
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bool Enable = (Control & 0x1000) != 0;
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if (!Enable)
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{
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continue;
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}
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long VertexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNAddress + Index * 4);
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long VertexEndPos = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNEndAddr + Index * 4);
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long Size = (VertexEndPos - VertexPosition) + 1;
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int Stride = Control & 0xfff;
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VertexPosition = Gpu.GetCpuAddr(VertexPosition);
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byte[] Data = AMemoryHelper.ReadBytes(Memory, VertexPosition, Size);
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GalVertexAttrib[] AttribArray = Attribs[Index]?.ToArray() ?? new GalVertexAttrib[0];
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Gpu.Renderer.SetVertexArray(Index, Stride, Data, AttribArray);
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int PrimCtrl = ReadRegister(NvGpuEngine3dReg.VertexBeginGl);
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GalPrimitiveType PrimType = (GalPrimitiveType)(PrimCtrl & 0xffff);
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if (IndexCount != 0)
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{
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Gpu.Renderer.DrawElements(Index, IndexFirst, PrimType);
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}
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else
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{
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Gpu.Renderer.DrawArrays(Index, PrimType);
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}
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}
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}
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private void QueryControl(AMemory Memory, NsGpuPBEntry PBEntry)
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{
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if (TryGetCpuAddr(NvGpuEngine3dReg.QueryAddress, out long Position))
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{
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int Seq = Registers[(int)NvGpuEngine3dReg.QuerySequence];
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int Ctrl = Registers[(int)NvGpuEngine3dReg.QueryControl];
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int Mode = Ctrl & 3;
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if (Mode == 0)
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{
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//Write.
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Memory.WriteInt32(Position, Seq);
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}
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}
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WriteRegister(PBEntry);
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}
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private void CbData(AMemory Memory, NsGpuPBEntry PBEntry)
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{
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if (TryGetCpuAddr(NvGpuEngine3dReg.ConstBufferNAddress, out long Position))
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{
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int Offset = ReadRegister(NvGpuEngine3dReg.ConstBufferNOffset);
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foreach (int Arg in PBEntry.Arguments)
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{
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Memory.WriteInt32(Position + Offset, Arg);
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Offset += 4;
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}
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WriteRegister(NvGpuEngine3dReg.ConstBufferNOffset, Offset);
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}
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}
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private void CbBind(AMemory Memory, NsGpuPBEntry PBEntry)
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{
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int Index = PBEntry.Arguments[0];
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bool Enabled = (Index & 1) != 0;
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Index = (Index >> 4) & 0x1f;
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if (TryGetCpuAddr(NvGpuEngine3dReg.ConstBufferNAddress, out long Position))
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{
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Cbs[Index].Position = Position;
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Cbs[Index].Enabled = Enabled;
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Cbs[Index].Size = ReadRegister(NvGpuEngine3dReg.ConstBufferNSize);
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}
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}
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private int ReadCb(AMemory Memory, int Cbuf, int Offset)
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{
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long Position = Cbs[Cbuf].Position;
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int Value = Memory.ReadInt32(Position + Offset);
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return Value;
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}
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private bool TryGetCpuAddr(NvGpuEngine3dReg Reg, out long Position)
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{
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Position = MakeInt64From2xInt32(Reg);
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Position = Gpu.GetCpuAddr(Position);
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return Position != -1;
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}
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private long MakeInt64From2xInt32(NvGpuEngine3dReg Reg)
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{
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return
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(long)Registers[(int)Reg + 0] << 32 |
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(uint)Registers[(int)Reg + 1];
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}
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private void WriteRegister(NsGpuPBEntry PBEntry)
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{
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int ArgsCount = PBEntry.Arguments.Count;
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if (ArgsCount > 0)
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{
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Registers[PBEntry.Method] = PBEntry.Arguments[ArgsCount - 1];
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}
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}
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private int ReadRegister(NvGpuEngine3dReg Reg)
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{
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return Registers[(int)Reg];
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}
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private void WriteRegister(NvGpuEngine3dReg Reg, int Value)
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{
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Registers[(int)Reg] = Value;
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}
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}
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}
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