mesa: if maxLevels==0, target is invalid

2009-08-13 10:16:59 -06:00
parent fe988d786c
commit 423a53f635
1 changed files with 4 additions and 1 deletions
@@ -373,7 +373,10 @@ getteximage_error_check(GLcontext *ctx, GLenum target, GLint level,
   struct gl_texture_image *texImage;
   const GLuint maxLevels = _mesa_max_texture_levels(ctx, target);

-   ASSERT(maxLevels > 0);  /* 0 indicates bad target, caught above */
+   if (maxLevels == 0) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target=0x%x)", target);
+      return GL_TRUE;
+   }

   if (level < 0 || level >= maxLevels) {
      _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );