diff options
| author | Ian Romanick <ian.d.romanick@intel.com> | 2015-09-14 11:59:22 -0700 |
|---|---|---|
| committer | Emil Velikov <emil.l.velikov@gmail.com> | 2015-09-30 21:53:33 +0100 |
| commit | dad649b66c8bd3f10fbf96cedea3ab7133ade758 (patch) | |
| tree | 0f5758e8e2473cdf4d19e0ed6aad4139025fb207 | |
| parent | e0a6546ddd05e63381b7dc6780814fe8f1c2cc72 (diff) | |
t_dd_dmatmp: Use addition instead of subtraction in loop bounds
This is used everywhere else in this file because it avoids problems
when count is zero (due to trimming).
No piglit regressions on i915 (G33) or radeon (Radeon 7500).
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38109
Reviewed-by: Brian Paul <brianp@vmware.com>
Cc: Marius Predut <marius.predut@intel.com>
Cc: "10.6 11.0" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit 25543d8ec506ef32599af6f5e0dd735e01b39909)
| -rw-r--r-- | src/mesa/tnl_dd/t_dd_dmatmp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/tnl_dd/t_dd_dmatmp.h b/src/mesa/tnl_dd/t_dd_dmatmp.h index dea95460c7..ef2991a2ae 100644 --- a/src/mesa/tnl_dd/t_dd_dmatmp.h +++ b/src/mesa/tnl_dd/t_dd_dmatmp.h @@ -623,7 +623,7 @@ static void TAG(render_quads_verts)( struct gl_context *ctx, INIT(GL_TRIANGLES); - for (j = 0; j < count-3; j += 4) { + for (j = 0; j + 3 < count; j += 4) { void *tmp = ALLOC_VERTS( 6 ); /* Send v0, v1, v3 */ |