OrdinaryMagician/vkdoom_m
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- added caching for true color images as well

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This commit is contained in:
Christoph Oelckers 2018-12-10 02:35:10 +01:00
commit 4cd60fbe99
13 changed files with 161 additions and 83 deletions
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33
src/textures/texture.cpp
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@ -202,42 +202,17 @@ void FTexture::SetFrontSkyLayer ()
//===========================================================================
//
// FTexture::CopyPixels
// FTexture::GetBgraBitmap
//
// this is the generic case that can handle
// any properly implemented texture for software rendering.
// Its drawback is that it is limited to the base palette which is
// why all classes that handle different palettes should subclass this
// method
// Default returns just an empty bitmap. This needs to be overridden by
// any subclass that actually does return a software pixel buffer.
//
//===========================================================================
int FTexture::CopyPixels(FBitmap *bmp)
{
PalEntry *palette = screen->GetPalette();
for(int i=1;i<256;i++) palette[i].a = 255; // set proper alpha values
auto ppix = Get8BitPixels(false); // should use composition cache
bmp->CopyPixelData(0, 0, ppix.Data(), Width, Height, Height, 1, 0, palette, nullptr);
for(int i=1;i<256;i++) palette[i].a = 0;
return 0;
}
int FTexture::CopyTranslatedPixels(FBitmap *bmp, PalEntry *remap)
{
auto ppix = Get8BitPixels(false); // should use composition cache
bmp->CopyPixelData(0, 0, ppix.Data(), Width, Height, Height, 1, 0, remap, nullptr);
return 0;
}
FBitmap FTexture::GetBgraBitmap(PalEntry *remap, int *ptrans)
{
FBitmap bmp;
int trans;
bmp.Create(GetWidth(), GetHeight());
if (!remap) trans = CopyPixels(&bmp);
else trans = CopyTranslatedPixels(&bmp, remap);
if (ptrans) *ptrans = trans;
bmp.Create(Width, Height);
return bmp;
}