add support for 32bit color in SDL builds

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@4664 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/vid_sdl.c b/vid_sdl.c
index 5dfb6242d29e1b52fc05d8b84fafaef4c8a2d67e..b366fd9b18baf70ff7ff427e3be6a8d6c3219cd3 100644 (file)
--- a/vid_sdl.c
+++ b/vid_sdl.c
@@ -415,11 +415,23 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
                vid_isfullscreen = true;
        }
 
-       SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 1);
-       SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 1);
-       SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 1);
-       SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
        SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
+       if (bpp >= 32)
+       {
+               SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 8);
+               SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 8);
+               SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 8);
+               SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, 8);
+               SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
+               SDL_GL_SetAttribute (SDL_GL_STENCIL_SIZE, 8);
+       }
+       else
+       {
+               SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 1);
+               SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 1);
+               SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 1);
+               SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
+       }
 
        screen = SDL_SetVideoMode(width, height, bpp, flags);
        if (screen == NULL)