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svga: 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.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
This commit is contained in:
Brian Paul 2012-02-16 12:23:16 -07:00
parent be05388ce9
commit 0fffaa512c
1 changed files with 6 additions and 2 deletions
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8
src/gallium/drivers/svga/svga_pipe_sampler.c
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@ -225,8 +225,12 @@ svga_set_fragment_sampler_views(struct pipe_context *pipe,
}
for (i = 0; i < num; i++) {
pipe_sampler_view_reference(&svga->curr.sampler_views[i],
views[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, &svga->curr.sampler_views[i]);
pipe_sampler_view_reference(&svga->curr.sampler_views[i], views[i]);
if (!views[i])
continue;