i965: skip too small size mipmap

this fixes doom3 crash.
2011-01-06 11:36:23 +08:00
parent d60145d06d
commit a728646fb5
1 changed files with 4 additions and 2 deletions
@@ -156,8 +156,10 @@ intel_finalize_mipmap_tree(struct intel_context *intel, GLuint unit)
      for (i = tObj->BaseLevel; i <= intelObj->_MaxLevel; i++) {
         struct intel_texture_image *intelImage =
            intel_texture_image(intelObj->base.Image[face][i]);
-
-         /* Need to import images in main memory or held in other trees.
+	 /* skip too small size mipmap */
+ 	 if (intelImage == NULL)
+		 break;
+	 /* Need to import images in main memory or held in other trees.
 	  * If it's a render target, then its data isn't needed to be in
 	  * the object tree (otherwise we'd be FBO incomplete), and we need
 	  * to keep track of the image's MT as needing to be pulled in still,