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nvk: Allocate a zcull save region in fewer cases

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Reviewed-by: Mary Guillemard <mary@mary.zone>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41275>
This commit is contained in:
Mel Henning 2026-04-06 18:57:05 -04:00 • committed by Marge Bot
parent d4eb5c76c9
commit cb29829f72
1 changed files with 15 additions and 0 deletions
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15
src/nouveau/vulkan/nvk_image.c
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@ -1056,12 +1056,27 @@ nvk_image_init(struct nvk_device *dev,
}
}
const VkImageUsageFlagBits READ_ONLY_IMAGE_USAGE =
VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
/*
* We don't know how to update the zcull data if the image is written
* as anything other than a depth attachment
*/
const VkImageUsageFlagBits ZCULL_COMPATIBLE_IMAGE_USAGE =
VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | READ_ONLY_IMAGE_USAGE;
/* Disable zcull save/restore regions until
* https://gitlab.freedesktop.org/mesa/mesa/-/work_items/15221
* is fixed.
*/
if (false &&
(image->vk.aspects & VK_IMAGE_ASPECT_DEPTH_BIT) &&
(image->vk.usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) &&
!(image->vk.usage & ~ZCULL_COMPATIBLE_IMAGE_USAGE) &&
!(image->vk.create_flags & VK_IMAGE_CREATE_SPARSE_BINDING_BIT) &&
image->vk.image_type != VK_IMAGE_TYPE_3D &&
image->vk.tiling == VK_IMAGE_TILING_OPTIMAL &&
pdev->info.has_zcull_info) {