gallium: no-op st_Bitmap() if width or height is zero

2008-05-08 17:11:05 -06:00
parent e93243cb80
commit 29d9f6b0d2
1 changed files with 3 additions and 0 deletions
--- a/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/src/mesa/state_tracker/st_cb_bitmap.c
@@ -673,6 +673,9 @@ st_Bitmap(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
   struct st_context *st = ctx->st;
   struct pipe_texture *pt;

+   if (width == 0 || height == 0)
+      return;
+
   st_validate_state(st);

   if (!st->bitmap.vs) {