Mercurial > sdl-ios-xcode

diff src/video/SDL_yuv_sw.c @ 2168:07f084fe97d0

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Merged r3211:3213 from branches/SDL-1.2: YUV MMX inline asm for GCC.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 11 Jul 2007 07:39:01 +0000
parents a788656ca29a
children bef26cfc8f79
line wrap: on
line diff
--- a/src/video/SDL_yuv_sw.c	Wed Jul 11 04:47:25 2007 +0000
+++ b/src/video/SDL_yuv_sw.c	Wed Jul 11 07:39:01 2007 +0000
@@ -117,7 +117,7 @@
 
 /* The colorspace conversion functions */
 
-#if 0                           /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES */
+#if (__GNUC__ > 2) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
 extern void Color565DitherYV12MMX1X(int *colortab, Uint32 * rgb_2_pix,
                                     unsigned char *lum, unsigned char *cr,
                                     unsigned char *cb, unsigned char *out,
@@ -978,7 +978,7 @@
     case SDL_PIXELFORMAT_YV12:
     case SDL_PIXELFORMAT_IYUV:
         if (SDL_BYTESPERPIXEL(target_format) == 2) {
-#if 0                           /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES */
+#if (__GNUC__ > 2) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
             /* inline assembly functions */
             if (SDL_HasMMX() && (Rmask == 0xF800) &&
                 (Gmask == 0x07E0) && (Bmask == 0x001F) && (width & 15) == 0) {
@@ -998,7 +998,7 @@
             swdata->Display2X = Color24DitherYV12Mod2X;
         }
         if (SDL_BYTESPERPIXEL(target_format) == 4) {
-#if 0                           /*defined(__GNUC__) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES */
+#if (__GNUC__ > 2) && defined(__i386__) && SDL_ASSEMBLY_ROUTINES
             /* inline assembly functions */
             if (SDL_HasMMX() && (Rmask == 0x00FF0000) &&
                 (Gmask == 0x0000FF00) &&