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vulkan: add helpers for depth/stencil only layouts

Browse source 
Original patch from Faith Ekstrand.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40154>
This commit is contained in:
Samuel Pitoiset 2026-03-09 14:47:55 +01:00 • committed by Marge Bot
parent 770a94e126
commit 7c12efb370
2 changed files with 40 additions and 0 deletions
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38
src/vulkan/runtime/vk_image.c
View file

@ -810,6 +810,44 @@ vk_image_layout_is_depth_only(VkImageLayout layout)
}
}
VkImageLayout
vk_image_layout_depth_only(VkImageLayout layout)
{
switch (layout) {
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL:
case VK_IMAGE_LAYOUT_ATTACHMENT_OPTIMAL:
return VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_OPTIMAL;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL:
case VK_IMAGE_LAYOUT_READ_ONLY_OPTIMAL:
return VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_OPTIMAL;
default:
return layout;
}
}
VkImageLayout
vk_image_layout_stencil_only(VkImageLayout layout)
{
switch (layout) {
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL:
case VK_IMAGE_LAYOUT_ATTACHMENT_OPTIMAL:
return VK_IMAGE_LAYOUT_STENCIL_ATTACHMENT_OPTIMAL;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL:
case VK_IMAGE_LAYOUT_READ_ONLY_OPTIMAL:
return VK_IMAGE_LAYOUT_STENCIL_READ_ONLY_OPTIMAL;
default:
return layout;
}
}
static VkResult
vk_image_create_get_format_list_uncompressed(struct vk_device *device,
const VkImageCreateInfo *pCreateInfo,

2
src/vulkan/runtime/vk_image.h
View file

@ -405,6 +405,8 @@ vk_image_view_subresource_range(const struct vk_image_view *view)
bool vk_image_layout_is_read_only(VkImageLayout layout,
VkImageAspectFlagBits aspect);
bool vk_image_layout_is_depth_only(VkImageLayout layout);
VkImageLayout vk_image_layout_depth_only(VkImageLayout layout);
VkImageLayout vk_image_layout_stencil_only(VkImageLayout layout);
VkImageUsageFlags vk_image_layout_to_usage_flags(VkImageLayout layout,
VkImageAspectFlagBits aspect);