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Use fixed point math for more speed

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This commit is contained in:
gdkchan 2018-11-17 18:44:15 -03:00
commit 5b63ef71ba
1 changed files with 10 additions and 12 deletions
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22
Ryujinx.Graphics/NvGpuEngine2d.cs
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@ -61,11 +61,11 @@ namespace Ryujinx.Graphics
int DstBlitW = ReadRegister(NvGpuEngine2dReg.BlitDstW); int DstBlitW = ReadRegister(NvGpuEngine2dReg.BlitDstW);
int DstBlitH = ReadRegister(NvGpuEngine2dReg.BlitDstH); int DstBlitH = ReadRegister(NvGpuEngine2dReg.BlitDstH);
double BlitDuDx = ReadRegisterFixed1_31_32(NvGpuEngine2dReg.BlitDuDxFract); long BlitDuDx = ReadRegisterFixed1_31_32(NvGpuEngine2dReg.BlitDuDxFract);
double BlitDvDy = ReadRegisterFixed1_31_32(NvGpuEngine2dReg.BlitDvDyFract); long BlitDvDy = ReadRegisterFixed1_31_32(NvGpuEngine2dReg.BlitDvDyFract);
double SrcBlitX = ReadRegisterFixed1_31_32(NvGpuEngine2dReg.BlitSrcXFract); long SrcBlitX = ReadRegisterFixed1_31_32(NvGpuEngine2dReg.BlitSrcXFract);
double SrcBlitY = ReadRegisterFixed1_31_32(NvGpuEngine2dReg.BlitSrcYFract); long SrcBlitY = ReadRegisterFixed1_31_32(NvGpuEngine2dReg.BlitSrcYFract);
GalImageFormat SrcImgFormat = ImageUtils.ConvertSurface((GalSurfaceFormat)SrcFormat); GalImageFormat SrcImgFormat = ImageUtils.ConvertSurface((GalSurfaceFormat)SrcFormat);
GalImageFormat DstImgFormat = ImageUtils.ConvertSurface((GalSurfaceFormat)DstFormat); GalImageFormat DstImgFormat = ImageUtils.ConvertSurface((GalSurfaceFormat)DstFormat);
@ -102,11 +102,11 @@ namespace Ryujinx.Graphics
Gpu.ResourceManager.SendTexture(Vmm, SrcKey, SrcTexture); Gpu.ResourceManager.SendTexture(Vmm, SrcKey, SrcTexture);
Gpu.ResourceManager.SendTexture(Vmm, DstKey, DstTexture); Gpu.ResourceManager.SendTexture(Vmm, DstKey, DstTexture);
int SrcBlitX1 = (int)SrcBlitX; int SrcBlitX1 = (int)(SrcBlitX >> 32);
int SrcBlitY1 = (int)SrcBlitY; int SrcBlitY1 = (int)(SrcBlitY >> 32);
int SrcBlitX2 = (int)(SrcBlitX + DstBlitW * BlitDuDx); int SrcBlitX2 = (int)(SrcBlitX + DstBlitW * BlitDuDx >> 32);
int SrcBlitY2 = (int)(SrcBlitY + DstBlitH * BlitDvDy); int SrcBlitY2 = (int)(SrcBlitY + DstBlitH * BlitDvDy >> 32);
Gpu.Renderer.RenderTarget.Copy( Gpu.Renderer.RenderTarget.Copy(
SrcKey, SrcKey,
@ -159,14 +159,12 @@ namespace Ryujinx.Graphics
Registers[MethCall.Method] = MethCall.Argument; Registers[MethCall.Method] = MethCall.Argument;
} }
private double ReadRegisterFixed1_31_32(NvGpuEngine2dReg Reg) private long ReadRegisterFixed1_31_32(NvGpuEngine2dReg Reg)
{ {
long Low = (uint)ReadRegister(Reg + 0); long Low = (uint)ReadRegister(Reg + 0);
long High = (uint)ReadRegister(Reg + 1); long High = (uint)ReadRegister(Reg + 1);
long Value = Low | (High << 32); return Low | (High << 32);
return Value * (1d / 0x100000000);
} }
private int ReadRegister(NvGpuEngine2dReg Reg) private int ReadRegister(NvGpuEngine2dReg Reg)