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Performance Optimization: Ddraw will only do the palette resolve on present.

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This commit is contained in:
Justin Marshall
2020-06-06 04:24:25 -07:00
parent 2a81d98ee1
commit aecadacfa5
2 changed files with 29 additions and 21 deletions
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ddraw/ddrawwrapper/DirectDrawSurfaceWrapper.cpp
+28 -21
View File
@@ -1042,13 +1042,39 @@ HRESULT __stdcall IDirectDrawSurfaceWrapper::SetPalette(LPDIRECTDRAWPALETTE lpDD
}
IDirectDrawWrapper* currentddrawParent = nullptr;
IDirectDrawSurfaceWrapper* currentSurfaceWrapper = nullptr;
void Device_Present(void) {
extern byte* raw_image_buffer;
// Translate all of raw video memory to rgb video memory with palette
if (raw_image_buffer == NULL)
{
for (long i = 0; i < currentSurfaceWrapper->surfaceWidth * currentSurfaceWrapper->surfaceHeight; i++)
{
currentSurfaceWrapper->rgbVideoMem[i] = currentSurfaceWrapper->attachedPalette->rgbPalette[currentSurfaceWrapper->rawVideoMem[i]];
}
}
else
{
byte* rgbVideoMemRaw = (byte*)currentSurfaceWrapper->rgbVideoMem;
for (long i = 0; i < currentSurfaceWrapper->surfaceWidth * currentSurfaceWrapper->surfaceHeight; i++)
{
//rgbVideoMem[i] = hackPaletteLookup[rawVideoMem[i]];
rgbVideoMemRaw[(i * 4) + 0] = raw_image_buffer[(currentSurfaceWrapper->rawVideoMem[i] * 3) + 2];
rgbVideoMemRaw[(i * 4) + 1] = raw_image_buffer[(currentSurfaceWrapper->rawVideoMem[i] * 3) + 1];
rgbVideoMemRaw[(i * 4) + 2] = raw_image_buffer[(currentSurfaceWrapper->rawVideoMem[i] * 3) + 0];
rgbVideoMemRaw[(i * 4) + 3] = 255;
}
}
currentddrawParent->Present();
}
// Notifies DirectDraw that the direct surface manipulations are complete.
HRESULT __stdcall IDirectDrawSurfaceWrapper::Unlock(LPVOID lpRect)
{
currentSurfaceWrapper = this;
char message[2048] = "\0";
// NOTE: Disabled for performance
@@ -1064,29 +1090,10 @@ HRESULT __stdcall IDirectDrawSurfaceWrapper::Unlock(LPVOID lpRect)
}*/
// Always unlock full rect(fix)
extern byte* raw_image_buffer;
//int* hackPaletteLookup = (int*)&raw_image_buffer[0];
// Translate all of raw video memory to rgb video memory with palette
if (raw_image_buffer == NULL)
{
for (long i = 0; i < surfaceWidth * surfaceHeight; i++)
{
rgbVideoMem[i] = attachedPalette->rgbPalette[rawVideoMem[i]];
}
}
else
{
byte* rgbVideoMemRaw = (byte*)rgbVideoMem;
for (long i = 0; i < surfaceWidth * surfaceHeight; i++)
{
//rgbVideoMem[i] = hackPaletteLookup[rawVideoMem[i]];
rgbVideoMemRaw[(i * 4) + 0] = raw_image_buffer[(rawVideoMem[i] * 3) + 2];
rgbVideoMemRaw[(i * 4) + 1] = raw_image_buffer[(rawVideoMem[i] * 3) + 1];
rgbVideoMemRaw[(i * 4) + 2] = raw_image_buffer[(rawVideoMem[i] * 3) + 0];
rgbVideoMemRaw[(i * 4) + 3] = 255;
}
}
/*
A pointer to a RECT structure that was used to lock the surface in the corresponding
ddraw/ddrawwrapper/DirectDrawWrapper.h
+1
View File
@@ -241,6 +241,7 @@ private:
*/
class FAR IDirectDrawSurfaceWrapper : public IDirectDrawSurface
{
friend void Device_Present(void);
// Implemented interfaces
public:
IDirectDrawSurfaceWrapper() { attachedPalette = NULL; }