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i915g: Release old fragment shader sampler views with current pipe

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We were trying to use a destroy method from a deleted context.
This fix is based on what's in the svga driver.

Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
This commit is contained in:
Stuart Abercrombie
2013-04-11 10:57:43 -07:00
committed by Stéphane Marchesin
parent 417d8917d4
commit 1a59cc777f
1 changed files with 8 additions and 3 deletions
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src/gallium/drivers/i915/i915_state.c
+8 -3
View File
@@ -711,13 +711,18 @@ static void i915_set_fragment_sampler_views(struct pipe_context *pipe,
!memcmp(i915->fragment_sampler_views, views, num * sizeof(struct pipe_sampler_view *)))
return;
for (i = 0; i < num; i++)
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, &i915->fragment_sampler_views[i]);
pipe_sampler_view_reference(&i915->fragment_sampler_views[i],
views[i]);
}
for (i = num; i < i915->num_fragment_sampler_views; i++)
pipe_sampler_view_reference(&i915->fragment_sampler_views[i],
NULL);
pipe_sampler_view_release(pipe, &i915->fragment_sampler_views[i]);
i915->num_fragment_sampler_views = num;