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Use Scale/Translate registers to calculate viewport rect

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This commit is contained in:
gdkchan 2018-07-18 16:30:51 -03:00
parent b56620f1b3
commit 9069e17222
1 changed files with 12 additions and 7 deletions
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19
Ryujinx.HLE/Gpu/Engines/NvGpuEngine3d.cs
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@ -132,17 +132,22 @@ namespace Ryujinx.HLE.Gpu.Engines
int Width = ReadRegister(NvGpuEngine3dReg.FrameBufferNWidth + FbIndex * 0x10);
int Height = ReadRegister(NvGpuEngine3dReg.FrameBufferNHeight + FbIndex * 0x10);
int ViewportXW = ReadRegister(NvGpuEngine3dReg.ViewportNHoriz + FbIndex * 4);
int ViewportYH = ReadRegister(NvGpuEngine3dReg.ViewportNVert + FbIndex * 4);
float TX = ReadRegisterFloat(NvGpuEngine3dReg.ViewportNTranslateX + FbIndex * 4);
float TY = ReadRegisterFloat(NvGpuEngine3dReg.ViewportNTranslateY + FbIndex * 4);
float SX = ReadRegisterFloat(NvGpuEngine3dReg.ViewportNScaleX + FbIndex * 4);
float SY = ReadRegisterFloat(NvGpuEngine3dReg.ViewportNScaleY + FbIndex * 4);
int VpX = (int)MathF.Max(0, TX - MathF.Abs(SX));
int VpY = (int)MathF.Max(0, TY - MathF.Abs(SY));
int VpW = (int)(TX + MathF.Abs(SX)) - VpX;
int VpH = (int)(TY + MathF.Abs(SY)) - VpY;
Gpu.Renderer.FrameBuffer.Create(Key, Width, Height);
Gpu.Renderer.FrameBuffer.Bind(Key);
Gpu.Renderer.FrameBuffer.SetViewport(
(ushort)(ViewportXW >> 0),
(ushort)(ViewportYH >> 0),
(ushort)(ViewportXW >> 16),
(ushort)(ViewportYH >> 16));
Gpu.Renderer.FrameBuffer.SetViewport(VpX, VpY, VpW, VpH);
}
private long[] UploadShaders(NvGpuVmm Vmm)