diff options
Diffstat (limited to 'Ryujinx.HLE/Gpu/NvGpuEngine3d.cs')
| -rw-r--r-- | Ryujinx.HLE/Gpu/NvGpuEngine3d.cs | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/Ryujinx.HLE/Gpu/NvGpuEngine3d.cs b/Ryujinx.HLE/Gpu/NvGpuEngine3d.cs new file mode 100644 index 00000000..b3f1330b --- /dev/null +++ b/Ryujinx.HLE/Gpu/NvGpuEngine3d.cs @@ -0,0 +1,531 @@ +using Ryujinx.Graphics.Gal; +using System; +using System.Collections.Generic; + +namespace Ryujinx.HLE.Gpu +{ + class NvGpuEngine3d : INvGpuEngine + { + public int[] Registers { get; private set; } + + private NvGpu Gpu; + + private Dictionary<int, NvGpuMethod> Methods; + + private struct ConstBuffer + { + public bool Enabled; + public long Position; + public int Size; + } + + private ConstBuffer[][] ConstBuffers; + + private HashSet<long> FrameBuffers; + + public NvGpuEngine3d(NvGpu Gpu) + { + this.Gpu = Gpu; + + Registers = new int[0xe00]; + + Methods = new Dictionary<int, NvGpuMethod>(); + + void AddMethod(int Meth, int Count, int Stride, NvGpuMethod Method) + { + while (Count-- > 0) + { + Methods.Add(Meth, Method); + + Meth += Stride; + } + } + + AddMethod(0x585, 1, 1, VertexEndGl); + AddMethod(0x674, 1, 1, ClearBuffers); + AddMethod(0x6c3, 1, 1, QueryControl); + AddMethod(0x8e4, 16, 1, CbData); + AddMethod(0x904, 5, 8, CbBind); + + ConstBuffers = new ConstBuffer[6][]; + + for (int Index = 0; Index < ConstBuffers.Length; Index++) + { + ConstBuffers[Index] = new ConstBuffer[18]; + } + + FrameBuffers = new HashSet<long>(); + } + + public void CallMethod(NvGpuVmm Vmm, NvGpuPBEntry PBEntry) + { + if (Methods.TryGetValue(PBEntry.Method, out NvGpuMethod Method)) + { + Method(Vmm, PBEntry); + } + else + { + WriteRegister(PBEntry); + } + } + + private void VertexEndGl(NvGpuVmm Vmm, NvGpuPBEntry PBEntry) + { + SetFrameBuffer(Vmm, 0); + + long[] Tags = UploadShaders(Vmm); + + Gpu.Renderer.BindProgram(); + + SetAlphaBlending(); + + UploadTextures(Vmm, Tags); + UploadUniforms(Vmm); + UploadVertexArrays(Vmm); + } + + private void ClearBuffers(NvGpuVmm Vmm, NvGpuPBEntry PBEntry) + { + int Arg0 = PBEntry.Arguments[0]; + + int FbIndex = (Arg0 >> 6) & 0xf; + + int Layer = (Arg0 >> 10) & 0x3ff; + + GalClearBufferFlags Flags = (GalClearBufferFlags)(Arg0 & 0x3f); + + SetFrameBuffer(Vmm, 0); + + //TODO: Enable this once the frame buffer problems are fixed. + //Gpu.Renderer.ClearBuffers(Layer, Flags); + } + + private void SetFrameBuffer(NvGpuVmm Vmm, int FbIndex) + { + long VA = MakeInt64From2xInt32(NvGpuEngine3dReg.FrameBufferNAddress + FbIndex * 0x10); + + long PA = Vmm.GetPhysicalAddress(VA); + + FrameBuffers.Add(PA); + + int Width = ReadRegister(NvGpuEngine3dReg.FrameBufferNWidth + FbIndex * 0x10); + int Height = ReadRegister(NvGpuEngine3dReg.FrameBufferNHeight + FbIndex * 0x10); + + //Note: Using the Width/Height results seems to give incorrect results. + //Maybe the size of all frame buffers is hardcoded to screen size? This seems unlikely. + Gpu.Renderer.CreateFrameBuffer(PA, 1280, 720); + Gpu.Renderer.BindFrameBuffer(PA); + } + + private long[] UploadShaders(NvGpuVmm Vmm) + { + long[] Tags = new long[5]; + + long BasePosition = MakeInt64From2xInt32(NvGpuEngine3dReg.ShaderAddress); + + for (int Index = 0; Index < 6; Index++) + { + int Control = ReadRegister(NvGpuEngine3dReg.ShaderNControl + Index * 0x10); + int Offset = ReadRegister(NvGpuEngine3dReg.ShaderNOffset + Index * 0x10); + + //Note: Vertex Program (B) is always enabled. + bool Enable = (Control & 1) != 0 || Index == 1; + + if (!Enable) + { + continue; + } + + long Tag = BasePosition + (uint)Offset; + + GalShaderType ShaderType = GetTypeFromProgram(Index); + + Tags[(int)ShaderType] = Tag; + + Gpu.Renderer.CreateShader(Vmm, Tag, ShaderType); + Gpu.Renderer.BindShader(Tag); + } + + int RawSX = ReadRegister(NvGpuEngine3dReg.ViewportScaleX); + int RawSY = ReadRegister(NvGpuEngine3dReg.ViewportScaleY); + + float SX = BitConverter.Int32BitsToSingle(RawSX); + float SY = BitConverter.Int32BitsToSingle(RawSY); + + float SignX = MathF.Sign(SX); + float SignY = MathF.Sign(SY); + + Gpu.Renderer.SetUniform2F(GalConsts.FlipUniformName, SignX, SignY); + + return Tags; + } + + private static GalShaderType GetTypeFromProgram(int Program) + { + switch (Program) + { + case 0: + case 1: return GalShaderType.Vertex; + case 2: return GalShaderType.TessControl; + case 3: return GalShaderType.TessEvaluation; + case 4: return GalShaderType.Geometry; + case 5: return GalShaderType.Fragment; + } + + throw new ArgumentOutOfRangeException(nameof(Program)); + } + + private void SetAlphaBlending() + { + //TODO: Support independent blend properly. + bool Enable = (ReadRegister(NvGpuEngine3dReg.IBlendNEnable) & 1) != 0; + + Gpu.Renderer.SetBlendEnable(Enable); + + if (!Enable) + { + //If blend is not enabled, then the other values have no effect. + //Note that if it is disabled, the register may contain invalid values. + return; + } + + bool BlendSeparateAlpha = (ReadRegister(NvGpuEngine3dReg.IBlendNSeparateAlpha) & 1) != 0; + + GalBlendEquation EquationRgb = (GalBlendEquation)ReadRegister(NvGpuEngine3dReg.IBlendNEquationRgb); + + GalBlendFactor FuncSrcRgb = (GalBlendFactor)ReadRegister(NvGpuEngine3dReg.IBlendNFuncSrcRgb); + GalBlendFactor FuncDstRgb = (GalBlendFactor)ReadRegister(NvGpuEngine3dReg.IBlendNFuncDstRgb); + + if (BlendSeparateAlpha) + { + GalBlendEquation EquationAlpha = (GalBlendEquation)ReadRegister(NvGpuEngine3dReg.IBlendNEquationAlpha); + + GalBlendFactor FuncSrcAlpha = (GalBlendFactor)ReadRegister(NvGpuEngine3dReg.IBlendNFuncSrcAlpha); + GalBlendFactor FuncDstAlpha = (GalBlendFactor)ReadRegister(NvGpuEngine3dReg.IBlendNFuncDstAlpha); + + Gpu.Renderer.SetBlendSeparate( + EquationRgb, + EquationAlpha, + FuncSrcRgb, + FuncDstRgb, + FuncSrcAlpha, + FuncDstAlpha); + } + else + { + Gpu.Renderer.SetBlend(EquationRgb, FuncSrcRgb, FuncDstRgb); + } + } + + private void UploadTextures(NvGpuVmm Vmm, long[] Tags) + { + long BaseShPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.ShaderAddress); + + int TextureCbIndex = ReadRegister(NvGpuEngine3dReg.TextureCbIndex); + + //Note: On the emulator renderer, Texture Unit 0 is + //reserved for drawing the frame buffer. + int TexIndex = 1; + + for (int Index = 0; Index < Tags.Length; Index++) + { + foreach (ShaderDeclInfo DeclInfo in Gpu.Renderer.GetTextureUsage(Tags[Index])) + { + long Position = ConstBuffers[Index][TextureCbIndex].Position; + + UploadTexture(Vmm, Position, TexIndex, DeclInfo.Index); + + Gpu.Renderer.SetUniform1(DeclInfo.Name, TexIndex); + + TexIndex++; + } + } + } + + private void UploadTexture(NvGpuVmm Vmm, long BasePosition, int TexIndex, int HndIndex) + { + long Position = BasePosition + HndIndex * 4; + + int TextureHandle = Vmm.ReadInt32(Position); + + int TicIndex = (TextureHandle >> 0) & 0xfffff; + int TscIndex = (TextureHandle >> 20) & 0xfff; + + long TicPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.TexHeaderPoolOffset); + long TscPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.TexSamplerPoolOffset); + + TicPosition += TicIndex * 0x20; + TscPosition += TscIndex * 0x20; + + GalTextureSampler Sampler = TextureFactory.MakeSampler(Gpu, Vmm, TscPosition); + + long TextureAddress = Vmm.ReadInt64(TicPosition + 4) & 0xffffffffffff; + + long Tag = TextureAddress; + + TextureAddress = Vmm.GetPhysicalAddress(TextureAddress); + + if (IsFrameBufferPosition(TextureAddress)) + { + //This texture is a frame buffer texture, + //we shouldn't read anything from memory and bind + //the frame buffer texture instead, since we're not + //really writing anything to memory. + Gpu.Renderer.BindFrameBufferTexture(TextureAddress, TexIndex, Sampler); + } + else + { + GalTexture NewTexture = TextureFactory.MakeTexture(Vmm, TicPosition); + + long Size = (uint)TextureHelper.GetTextureSize(NewTexture); + + if (Gpu.Renderer.TryGetCachedTexture(Tag, Size, out GalTexture Texture)) + { + if (NewTexture.Equals(Texture) && !Vmm.IsRegionModified(Tag, Size, NvGpuBufferType.Texture)) + { + Gpu.Renderer.BindTexture(Tag, TexIndex); + + return; + } + } + + byte[] Data = TextureFactory.GetTextureData(Vmm, TicPosition); + + Gpu.Renderer.SetTextureAndSampler(Tag, Data, NewTexture, Sampler); + + Gpu.Renderer.BindTexture(Tag, TexIndex); + } + } + + private void UploadUniforms(NvGpuVmm Vmm) + { + long BasePosition = MakeInt64From2xInt32(NvGpuEngine3dReg.ShaderAddress); + + for (int Index = 0; Index < 5; Index++) + { + int Control = ReadRegister(NvGpuEngine3dReg.ShaderNControl + (Index + 1) * 0x10); + int Offset = ReadRegister(NvGpuEngine3dReg.ShaderNOffset + (Index + 1) * 0x10); + + //Note: Vertex Program (B) is always enabled. + bool Enable = (Control & 1) != 0 || Index == 0; + + if (!Enable) + { + continue; + } + + for (int Cbuf = 0; Cbuf < ConstBuffers.Length; Cbuf++) + { + ConstBuffer Cb = ConstBuffers[Index][Cbuf]; + + if (Cb.Enabled) + { + byte[] Data = Vmm.ReadBytes(Cb.Position, (uint)Cb.Size); + + Gpu.Renderer.SetConstBuffer(BasePosition + (uint)Offset, Cbuf, Data); + } + } + } + } + + private void UploadVertexArrays(NvGpuVmm Vmm) + { + long IndexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.IndexArrayAddress); + + int IndexSize = ReadRegister(NvGpuEngine3dReg.IndexArrayFormat); + int IndexFirst = ReadRegister(NvGpuEngine3dReg.IndexBatchFirst); + int IndexCount = ReadRegister(NvGpuEngine3dReg.IndexBatchCount); + + GalIndexFormat IndexFormat = (GalIndexFormat)IndexSize; + + IndexSize = 1 << IndexSize; + + if (IndexSize > 4) + { + throw new InvalidOperationException(); + } + + if (IndexSize != 0) + { + int IbSize = IndexCount * IndexSize; + + bool IboCached = Gpu.Renderer.IsIboCached(IndexPosition, (uint)IbSize); + + if (!IboCached || Vmm.IsRegionModified(IndexPosition, (uint)IbSize, NvGpuBufferType.Index)) + { + byte[] Data = Vmm.ReadBytes(IndexPosition, (uint)IbSize); + + Gpu.Renderer.CreateIbo(IndexPosition, Data); + } + + Gpu.Renderer.SetIndexArray(IndexPosition, IbSize, IndexFormat); + } + + List<GalVertexAttrib>[] Attribs = new List<GalVertexAttrib>[32]; + + for (int Attr = 0; Attr < 16; Attr++) + { + int Packed = ReadRegister(NvGpuEngine3dReg.VertexAttribNFormat + Attr); + + int ArrayIndex = Packed & 0x1f; + + if (Attribs[ArrayIndex] == null) + { + Attribs[ArrayIndex] = new List<GalVertexAttrib>(); + } + + Attribs[ArrayIndex].Add(new GalVertexAttrib( + Attr, + ((Packed >> 6) & 0x1) != 0, + (Packed >> 7) & 0x3fff, + (GalVertexAttribSize)((Packed >> 21) & 0x3f), + (GalVertexAttribType)((Packed >> 27) & 0x7), + ((Packed >> 31) & 0x1) != 0)); + } + + int VertexFirst = ReadRegister(NvGpuEngine3dReg.VertexArrayFirst); + int VertexCount = ReadRegister(NvGpuEngine3dReg.VertexArrayCount); + + int PrimCtrl = ReadRegister(NvGpuEngine3dReg.VertexBeginGl); + + for (int Index = 0; Index < 32; Index++) + { + if (Attribs[Index] == null) + { + continue; + } + + int Control = ReadRegister(NvGpuEngine3dReg.VertexArrayNControl + Index * 4); + + bool Enable = (Control & 0x1000) != 0; + + long VertexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNAddress + Index * 4); + long VertexEndPos = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNEndAddr + Index * 2); + + if (!Enable) + { + continue; + } + + int Stride = Control & 0xfff; + + long VbSize = 0; + + if (IndexCount != 0) + { + VbSize = (VertexEndPos - VertexPosition) + 1; + } + else + { + VbSize = VertexCount * Stride; + } + + bool VboCached = Gpu.Renderer.IsVboCached(VertexPosition, VbSize); + + if (!VboCached || Vmm.IsRegionModified(VertexPosition, VbSize, NvGpuBufferType.Vertex)) + { + byte[] Data = Vmm.ReadBytes(VertexPosition, VbSize); + + Gpu.Renderer.CreateVbo(VertexPosition, Data); + } + + Gpu.Renderer.SetVertexArray(Index, Stride, VertexPosition, Attribs[Index].ToArray()); + } + + GalPrimitiveType PrimType = (GalPrimitiveType)(PrimCtrl & 0xffff); + + if (IndexCount != 0) + { + Gpu.Renderer.DrawElements(IndexPosition, IndexFirst, PrimType); + } + else + { + Gpu.Renderer.DrawArrays(VertexFirst, VertexCount, PrimType); + } + } + + private void QueryControl(NvGpuVmm Vmm, NvGpuPBEntry PBEntry) + { + long Position = MakeInt64From2xInt32(NvGpuEngine3dReg.QueryAddress); + + int Seq = Registers[(int)NvGpuEngine3dReg.QuerySequence]; + int Ctrl = Registers[(int)NvGpuEngine3dReg.QueryControl]; + + int Mode = Ctrl & 3; + + if (Mode == 0) + { + //Write mode. + Vmm.WriteInt32(Position, Seq); + } + + WriteRegister(PBEntry); + } + + private void CbData(NvGpuVmm Vmm, NvGpuPBEntry PBEntry) + { + long Position = MakeInt64From2xInt32(NvGpuEngine3dReg.ConstBufferAddress); + + int Offset = ReadRegister(NvGpuEngine3dReg.ConstBufferOffset); + + foreach (int Arg in PBEntry.Arguments) + { + Vmm.WriteInt32(Position + Offset, Arg); + + Offset += 4; + } + + WriteRegister(NvGpuEngine3dReg.ConstBufferOffset, Offset); + } + + private void CbBind(NvGpuVmm Vmm, NvGpuPBEntry PBEntry) + { + int Stage = (PBEntry.Method - 0x904) >> 3; + + int Index = PBEntry.Arguments[0]; + + bool Enabled = (Index & 1) != 0; + + Index = (Index >> 4) & 0x1f; + + long Position = MakeInt64From2xInt32(NvGpuEngine3dReg.ConstBufferAddress); + + ConstBuffers[Stage][Index].Position = Position; + ConstBuffers[Stage][Index].Enabled = Enabled; + + ConstBuffers[Stage][Index].Size = ReadRegister(NvGpuEngine3dReg.ConstBufferSize); + } + + private long MakeInt64From2xInt32(NvGpuEngine3dReg Reg) + { + return + (long)Registers[(int)Reg + 0] << 32 | + (uint)Registers[(int)Reg + 1]; + } + + private void WriteRegister(NvGpuPBEntry PBEntry) + { + int ArgsCount = PBEntry.Arguments.Count; + + if (ArgsCount > 0) + { + Registers[PBEntry.Method] = PBEntry.Arguments[ArgsCount - 1]; + } + } + + private int ReadRegister(NvGpuEngine3dReg Reg) + { + return Registers[(int)Reg]; + } + + private void WriteRegister(NvGpuEngine3dReg Reg, int Value) + { + Registers[(int)Reg] = Value; + } + + public bool IsFrameBufferPosition(long Position) + { + return FrameBuffers.Contains(Position); + } + } +}
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