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zink: use a single allocation for zink_descriptor_layout_key

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this is slightly more smart

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18065>
This commit is contained in:
Mike Blumenkrantz 2022-08-04 13:27:38 -04:00 • committed by Marge Bot
parent 234620d8ab
commit fb9f110113
1 changed files with 3 additions and 8 deletions
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11
src/gallium/drivers/zink/zink_descriptors.c
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@ -104,16 +104,11 @@ create_layout(struct zink_context *ctx, enum zink_descriptor_type type,
if (!dsl)
return NULL;
struct zink_descriptor_layout_key *k = ralloc(ctx, struct zink_descriptor_layout_key);
size_t bindings_size = num_bindings * sizeof(VkDescriptorSetLayoutBinding);
struct zink_descriptor_layout_key *k = ralloc_size(ctx, sizeof(struct zink_descriptor_layout_key) + bindings_size);
k->num_bindings = num_bindings;
if (num_bindings) {
size_t bindings_size = num_bindings * sizeof(VkDescriptorSetLayoutBinding);
k->bindings = ralloc_size(k, bindings_size);
if (!k->bindings) {
ralloc_free(k);
VKSCR(DestroyDescriptorSetLayout)(screen->dev, dsl, NULL);
return NULL;
}
k->bindings = (void *)(k + 1);
memcpy(k->bindings, bindings, bindings_size);
}