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vbo: if 'end' is out of bounds, clamp it
author
Brian Paul
<brianp@vmware.com>
Tue, 26 Jan 2010 19:49:44 +0000
(12:49 -0700)
committer
Brian Paul
<brianp@vmware.com>
Tue, 26 Jan 2010 19:49:48 +0000
(12:49 -0700)
If we determine that the 'end' parameter to glDrawElements() is out of
bounds, clamp it to the max legal index value.
src/mesa/vbo/vbo_exec_array.c
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diff --git
a/src/mesa/vbo/vbo_exec_array.c
b/src/mesa/vbo/vbo_exec_array.c
index
f455382
..
bd2fccd
100644
(file)
--- a/
src/mesa/vbo/vbo_exec_array.c
+++ b/
src/mesa/vbo/vbo_exec_array.c
@@
-748,6
+748,10
@@
vbo_exec_DrawRangeElementsBaseVertex(GLenum mode,
*/
}
#endif
+
+ /* Set 'end' to the max possible legal value */
+ assert(ctx->Array.ArrayObj->_MaxElement >= 1);
+ end = ctx->Array.ArrayObj->_MaxElement - 1;
}
else if (0) {
_mesa_printf("glDraw[Range]Elements{,BaseVertex}"