mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-09-10 09:48:51 +02:00
158 lines
No EOL
4.5 KiB
C#
158 lines
No EOL
4.5 KiB
C#
using ChocolArm64.Memory;
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using Ryujinx.Graphics.Gal;
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using System.Collections.Generic;
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namespace Ryujinx.Graphics.Gpu
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{
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public class NvGpuEngine2d : INvGpuEngine
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{
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private enum CopyOperation
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{
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SrcCopyAnd,
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RopAnd,
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Blend,
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SrcCopy,
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Rop,
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SrcCopyPremult,
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BlendPremult
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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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public NvGpuEngine2d(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(0xb5, 1, 1, TextureCopy);
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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 TextureCopy(AMemory Memory, NsGpuPBEntry PBEntry)
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{
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CopyOperation Operation = (CopyOperation)ReadRegister(NvGpuEngine2dReg.CopyOperation);
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bool SrcLinear = ReadRegister(NvGpuEngine2dReg.SrcLinear) != 0;
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int SrcWidth = ReadRegister(NvGpuEngine2dReg.SrcWidth);
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int SrcHeight = ReadRegister(NvGpuEngine2dReg.SrcHeight);
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bool DstLinear = ReadRegister(NvGpuEngine2dReg.DstLinear) != 0;
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int DstWidth = ReadRegister(NvGpuEngine2dReg.DstWidth);
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int DstHeight = ReadRegister(NvGpuEngine2dReg.DstHeight);
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int DstPitch = ReadRegister(NvGpuEngine2dReg.DstPitch);
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int DstBlkDim = ReadRegister(NvGpuEngine2dReg.DstBlockDimensions);
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TextureSwizzle DstSwizzle = DstLinear
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? TextureSwizzle.Pitch
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: TextureSwizzle.BlockLinear;
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int DstBlockHeight = 1 << ((DstBlkDim >> 4) & 0xf);
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long Tag = MakeInt64From2xInt32(NvGpuEngine2dReg.SrcAddress);
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TryGetCpuAddr(NvGpuEngine2dReg.SrcAddress, out long SrcAddress);
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TryGetCpuAddr(NvGpuEngine2dReg.DstAddress, out long DstAddress);
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bool IsFbTexture = Gpu.Engine3d.IsFrameBufferPosition(Tag);
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if (IsFbTexture && DstLinear)
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{
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DstSwizzle = TextureSwizzle.BlockLinear;
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}
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Texture DstTexture = new Texture(
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DstAddress,
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DstWidth,
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DstHeight,
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DstBlockHeight,
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DstBlockHeight,
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DstSwizzle,
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GalTextureFormat.A8B8G8R8);
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if (IsFbTexture)
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{
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Gpu.Renderer.GetFrameBufferData(Tag, (byte[] Buffer) =>
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{
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CopyTexture(Memory, DstTexture, Buffer);
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});
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}
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else
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{
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long Size = SrcWidth * SrcHeight * 4;
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byte[] Buffer = AMemoryHelper.ReadBytes(Memory, SrcAddress, Size);
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CopyTexture(Memory, DstTexture, Buffer);
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}
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}
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private void CopyTexture(AMemory Memory, Texture Texture, byte[] Buffer)
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{
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TextureWriter.Write(Memory, Texture, Buffer);
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}
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private bool TryGetCpuAddr(NvGpuEngine2dReg 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(NvGpuEngine2dReg 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(NvGpuEngine2dReg Reg)
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{
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return Registers[(int)Reg];
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}
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private void WriteRegister(NvGpuEngine2dReg 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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} |