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iris: Simplify iris_get_depth_stencil_resources

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We can safely assume that the given resource is depth, depth/stencil,
or stencil already.  The stencil-only case is easily detectable with
a single format check, and all other cases are handled identically.

This saves some CPU overhead.
This commit is contained in:
Kenneth Graunke 2019-02-13 22:12:01 -08:00
parent 07ec1f0b25
commit 1b5c342f33
1 changed files with 1 additions and 5 deletions
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6
src/gallium/drivers/iris/iris_resource.c
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@ -187,14 +187,10 @@ iris_get_depth_stencil_resources(struct pipe_resource *res,
return;
}
const struct util_format_description *desc =
util_format_description(res->format);
if (util_format_has_depth(desc)) {
if (res->format != PIPE_FORMAT_S8_UINT) {
*out_z = (void *) res;
*out_s = (void *) iris_resource_get_separate_stencil(res);
} else {
assert(util_format_has_stencil(desc));
*out_z = NULL;
*out_s = (void *) res;
}