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(svn r13445) -Codechange: make 32bpp_optimized blitter ~10-20% faster in drawing (depends on architecture and compiler)

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This commit is contained in:
smatz 2008-06-10 17:28:37 +00:00
parent 199b3d7886
commit 4ce73a679c
2 changed files with 25 additions and 1 deletions
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23
src/blitter/32bpp_optimized.cpp
View File

@ -10,7 +10,7 @@
static FBlitter_32bppOptimized iFBlitter_32bppOptimized;
void Blitter_32bppOptimized::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
template <BlitterMode mode, ZoomLevel zoom> inline void Blitter_32bppOptimized::Draw(Blitter::BlitterParams *bp)
{
const SpriteLoader::CommonPixel *src, *src_line;
uint32 *dst, *dst_line;
@ -66,6 +66,27 @@ void Blitter_32bppOptimized::Draw(Blitter::BlitterParams *bp, BlitterMode mode,
}
}
template <BlitterMode mode> inline void Blitter_32bppOptimized::Draw(Blitter::BlitterParams *bp, ZoomLevel zoom)
{
switch (zoom) {
default: NOT_REACHED();
case ZOOM_LVL_NORMAL: Draw<mode, ZOOM_LVL_NORMAL>(bp); return;
case ZOOM_LVL_OUT_2X: Draw<mode, ZOOM_LVL_OUT_2X>(bp); return;
case ZOOM_LVL_OUT_4X: Draw<mode, ZOOM_LVL_OUT_4X>(bp); return;
case ZOOM_LVL_OUT_8X: Draw<mode, ZOOM_LVL_OUT_8X>(bp); return;
}
}
void Blitter_32bppOptimized::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
{
switch (mode) {
default: NOT_REACHED();
case BM_NORMAL: Draw<BM_NORMAL> (bp, zoom); return;
case BM_COLOUR_REMAP: Draw<BM_COLOUR_REMAP>(bp, zoom); return;
case BM_TRANSPARENT: Draw<BM_TRANSPARENT> (bp, zoom); return;
}
}
Sprite *Blitter_32bppOptimized::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)
{
Sprite *dest_sprite;

3
src/blitter/32bpp_optimized.hpp
View File

@ -14,6 +14,9 @@ public:
/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
/* virtual */ const char *GetName() { return "32bpp-optimized"; }
template <BlitterMode mode, ZoomLevel zoom> void Draw(Blitter::BlitterParams *bp);
template <BlitterMode mode> void Draw(Blitter::BlitterParams *bp, ZoomLevel zoom);
};
class FBlitter_32bppOptimized: public BlitterFactory<FBlitter_32bppOptimized> {