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Gained 5 FPS in testsprite because Mac OS X memset is highly optimized

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slouken committed Aug 12, 2007
1 parent e3bb2ab commit 3eff1b597c6b79cc2d6ede65b18f8ab5e22ed8cb
Showing with 4 additions and 1 deletion.
  1. +4 −1 src/video/SDL_surface.c
@@ -568,14 +568,17 @@ SDL_FillRect(SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color)
dstrect->x * dst->format->BytesPerPixel;
if (dst->format->palette || (color == 0)) {
x = dstrect->w * dst->format->BytesPerPixel;
#ifndef __MACOSX__ /* memset() is optimized on Mac OS X */
if (!color && !((uintptr_t) row & 3) && !(x & 3)
&& !(dst->pitch & 3)) {
int n = x >> 2;
for (y = dstrect->h; y; --y) {
SDL_memset4(row, 0, n);
row += dst->pitch;
}
} else {
} else
#endif /* !__MACOSX__ */
{
for (y = dstrect->h; y; y--) {
SDL_memset(row, color, x);
row += dst->pitch;

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