From: Brian <brian.paul@tungstengraphics.com>
Date: Mon, 15 Oct 2007 21:30:45 +0000 (-0600)
Subject: check for width or height = 0 before calling driver Bitmap func
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ce8988018ca2d838c93df904271b2afc62d6b021;p=mesa.git

check for width or height = 0 before calling driver Bitmap func
---

diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c
index c82abccc41a..296dcf8f0bc 100644
--- a/src/mesa/main/drawpix.c
+++ b/src/mesa/main/drawpix.c
@@ -341,7 +341,7 @@ _mesa_Bitmap( GLsizei width, GLsizei height,
    }
 
    if (ctx->RenderMode == GL_RENDER) {
-      if (bitmap) {
+      if (bitmap && width && height) {
          /* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
          GLint x = IFLOOR(ctx->Current.RasterPos[0] - xorig);
          GLint y = IFLOOR(ctx->Current.RasterPos[1] - yorig);