cpp/openttd-patchpack/source Changeset - r9486:b23cca773133

Changeset - r9486:b23cca773133

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smatz - 16 years ago 2008-06-10 17:28:37
smatz@openttd.org

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

2 files changed with 25 insertions and 1 deletions:

src/blitter/32bpp_optimized.cpp

src/blitter/32bpp_optimized.hpp

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src/blitter/32bpp_optimized.cpp

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@@ @@ -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(Blitte @@
+	}
+}
 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;

src/blitter/32bpp_optimized.hpp

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@@ @@ -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> {

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