Added kindly note about single buffer mode.

diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 5b27c735e76967b34da46b9015afd018aba69bb0..dda8a33934718b55e45b9062e052d544fd92d799 100644 (file)
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -217,6 +217,10 @@ GLboolean r300CreateContext(const __GLcontextModes * glVisual,
         */
 
        ctx = r300->radeon.glCtx;
+       if(ctx->Visual.doubleBufferMode == 0){
+               fprintf(stderr, "Help me! Single buffer mode doesnt work yet.\n");
+               exit(-1);
+       }
        ctx->Const.MaxTextureImageUnits = driQueryOptioni(&r300->radeon.optionCache,
                                                     "texture_image_units");
        ctx->Const.MaxTextureCoordUnits = driQueryOptioni(&r300->radeon.optionCache,