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llvmpipe: use pipe_sampler_view_release() to avoid segfault

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This fixes another case of faulting when freeing a pipe_sampler_view
that belongs to a previously destroyed context.

Cc: "10.0" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Jonathan Liu <net147@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Jonathan Liu 2013-12-15 18:24:00 -07:00 • committed by Brian Paul
parent 670be71bd8
commit 7990ab58fa
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/llvmpipe/lp_state_sampler.c
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@ -136,6 +136,12 @@ llvmpipe_set_sampler_views(struct pipe_context *pipe,
/* set the new sampler views */
for (i = 0; i < num; i++) {
/* Note: we're using pipe_sampler_view_release() here to work around
* a possible crash when the old view belongs to another context that
* was already destroyed.
*/
pipe_sampler_view_release(pipe,
&llvmpipe->sampler_views[shader][start + i]);
pipe_sampler_view_reference(&llvmpipe->sampler_views[shader][start + i],
views[i]);
}