swrast: Print out format on unexpected failure in _swrast_DrawPixels.

diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index 4e7cd9414fdfac6e75786d1669c9752fa9013110..8fbb0a8d101e21e79b72353160d323d5fabf1280 100644 (file)
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -751,7 +751,7 @@ _swrast_DrawPixels( struct gl_context *ctx,
                                 type, unpack, pixels);
       break;
    default:
-      _mesa_problem(ctx, "unexpected format in _swrast_DrawPixels");
+      _mesa_problem(ctx, "unexpected format 0x%x in _swrast_DrawPixels", format);
       /* don't return yet, clean-up */
    }