Mercurial > sdl-ios-xcode

diff src/video/SDL_surface.c @ 2787:93764fe8601a

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It turns out both the software and the OpenGL renderer had the same problem. According to the spec, when SDL_SRCALPHA is set, the colorkey is ignored, so we just need to convert the colorkey into the alpha channel.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 25 Nov 2008 05:29:14 +0000
parents 6bacfecbf27e
children 365fe1a2aad5
line wrap: on
line diff
--- a/src/video/SDL_surface.c	Tue Nov 25 02:21:53 2008 +0000
+++ b/src/video/SDL_surface.c	Tue Nov 25 05:29:14 2008 +0000
@@ -270,7 +270,7 @@
 }
 
 /* This is a fairly slow function to switch from colorkey to alpha */
-void
+static void
 SDL_ConvertColorkeyToAlpha(SDL_Surface * surface)
 {
     int x, y;
@@ -813,6 +813,7 @@
                     &keyG, &keyB, &keyA);
         SDL_SetColorKey(convert, 1,
                         SDL_MapRGBA(convert->format, keyR, keyG, keyB, keyA));
+        SDL_ConvertColorkeyToAlpha(convert);
     }
     convert->map->info.r = surface->map->info.r;
     convert->map->info.g = surface->map->info.g;