private void Execute(NvGpuVmm Vmm, NvGpuPBEntry PBEntry)
{
int Control = PBEntry.Arguments[0];
bool SrcLinear = ((Control >> 7) & 1) != 0;
bool DstLinear = ((Control >> 8) & 1) != 0;
long SrcAddress = MakeInt64From2xInt32(NvGpuEngineDmaReg.SrcAddress);
long DstAddress = MakeInt64From2xInt32(NvGpuEngineDmaReg.DstAddress);
int SrcPitch = ReadRegister(NvGpuEngineDmaReg.SrcPitch);
int DstPitch = ReadRegister(NvGpuEngineDmaReg.DstPitch);
int DstBlkDim = ReadRegister(NvGpuEngineDmaReg.DstBlkDim);
int DstSizeX = ReadRegister(NvGpuEngineDmaReg.DstSizeX);
int DstSizeY = ReadRegister(NvGpuEngineDmaReg.DstSizeY);
int DstSizeZ = ReadRegister(NvGpuEngineDmaReg.DstSizeZ);
int DstPosXY = ReadRegister(NvGpuEngineDmaReg.DstPosXY);
int DstPosZ = ReadRegister(NvGpuEngineDmaReg.DstPosZ);
int SrcBlkDim = ReadRegister(NvGpuEngineDmaReg.SrcBlkDim);
int SrcSizeX = ReadRegister(NvGpuEngineDmaReg.SrcSizeX);
int SrcSizeY = ReadRegister(NvGpuEngineDmaReg.SrcSizeY);
int SrcSizeZ = ReadRegister(NvGpuEngineDmaReg.SrcSizeZ);
int SrcPosXY = ReadRegister(NvGpuEngineDmaReg.SrcPosXY);
int SrcPosZ = ReadRegister(NvGpuEngineDmaReg.SrcPosZ);
int DstPosX = (DstPosXY >> 0) & 0xffff;
int DstPosY = (DstPosXY >> 16) & 0xffff;
int SrcPosX = (SrcPosXY >> 0) & 0xffff;
int SrcPosY = (SrcPosXY >> 16) & 0xffff;
int SrcBlockHeight = 1 << ((SrcBlkDim >> 4) & 0xf);
int DstBlockHeight = 1 << ((DstBlkDim >> 4) & 0xf);
ISwizzle SrcSwizzle;
if (SrcLinear)
{
SrcSwizzle = new LinearSwizzle(SrcPitch, 1);
}
else
{
SrcSwizzle = new BlockLinearSwizzle(SrcSizeX, 1, SrcBlockHeight);
}
ISwizzle DstSwizzle;
if (DstLinear)
{
DstSwizzle = new LinearSwizzle(DstPitch, 1);
}
else
{
DstSwizzle = new BlockLinearSwizzle(DstSizeX, 1, DstBlockHeight);
}
for (int Y = 0; Y < DstSizeY; Y++)
{
for (int X = 0; X < DstSizeX; X++)
{
long SrcOffset = SrcAddress + (uint)SrcSwizzle.GetSwizzleOffset(X, Y);
long DstOffset = DstAddress + (uint)DstSwizzle.GetSwizzleOffset(X, Y);
Vmm.WriteByte(DstOffset, Vmm.ReadByte(SrcOffset));
}
}
}