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querying proxy texture image info was segfaulting because of NULL TexFormat pointer

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This commit is contained in:
Brian Paul 2001-03-30 21:14:30 +00:00
parent 347b3f0daf
commit 67f7554232
1 changed files with 3 additions and 2 deletions
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5
src/mesa/main/texstate.c
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@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.41 2001/03/28 21:36:31 gareth Exp $ */
/* $Id: texstate.c,v 1.42 2001/03/30 21:14:30 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -933,7 +933,8 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
}
img = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!img) {
if (!img || !img->TexFormat) {
/* undefined texture image */
if (pname == GL_TEXTURE_COMPONENTS)
*params = 1;
else