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venus: improve image memory requirement cache for image aliasing

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We can strip the alias bit as the memory requirements are identical
between the bound image and the aliased image per spec.

Acked-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34135>
This commit is contained in:
Yiwei Zhang 2025-03-22 15:45:27 -07:00 • committed by Marge Bot
parent adcb967c5c
commit 63cac09d74
1 changed files with 8 additions and 0 deletions
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8
src/virtio/vulkan/vn_image.c
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@ -97,6 +97,14 @@ vn_image_get_image_reqs_key(struct vn_device *dev,
if (!dev->image_reqs_cache.ht)
return false;
/* Strip the alias bit as the memory requirements are identical. */
VkImageCreateInfo local_info;
if (create_info->flags & VK_IMAGE_CREATE_ALIAS_BIT) {
local_info = *create_info;
local_info.flags &= ~VK_IMAGE_CREATE_ALIAS_BIT;
create_info = &local_info;
}
_mesa_sha1_init(&sha1_ctx);
/* Hash relevant fields in the pNext chain */