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vk/descriptor_set_layout: Add optional destructor

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Drivers implementing descriptor buffers will want to allocate and free
descriptors with the layout for embedded samplers, so we need a hook to
allow them to free any GPU buffers.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19849>
This commit is contained in:
Connor Abbott 2022-10-06 16:46:19 +02:00 • committed by Marge Bot
parent 56e4359542
commit b28899a261
2 changed files with 15 additions and 1 deletions
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8
src/vulkan/runtime/vk_descriptor_set_layout.c
View file

@ -35,6 +35,7 @@ vk_descriptor_set_layout_init(struct vk_device *device,
VK_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT);
layout->ref_cnt = 1;
layout->destroy = vk_descriptor_set_layout_destroy;
}
void *
@ -73,6 +74,13 @@ vk_descriptor_set_layout_multizalloc(struct vk_device *device,
return layout;
}
void
vk_descriptor_set_layout_destroy(struct vk_device *device,
struct vk_descriptor_set_layout *layout)
{
vk_object_free(device, NULL, layout);
}
VKAPI_ATTR void VKAPI_CALL
vk_common_DestroyDescriptorSetLayout(VkDevice _device,
VkDescriptorSetLayout descriptorSetLayout,

8
src/vulkan/runtime/vk_descriptor_set_layout.h
View file

@ -34,6 +34,9 @@ extern "C" {
struct vk_descriptor_set_layout {
struct vk_object_base base;
void (*destroy)(struct vk_device *device,
struct vk_descriptor_set_layout *layout);
/** Reference count
*
* It's often necessary to store a pointer to the descriptor set layout in
@ -60,6 +63,9 @@ void *vk_descriptor_set_layout_zalloc(struct vk_device *device, size_t size);
void *vk_descriptor_set_layout_multizalloc(struct vk_device *device,
struct vk_multialloc *ma);
void vk_descriptor_set_layout_destroy(struct vk_device *device,
struct vk_descriptor_set_layout *layout);
static inline struct vk_descriptor_set_layout *
vk_descriptor_set_layout_ref(struct vk_descriptor_set_layout *layout)
{
@ -74,7 +80,7 @@ vk_descriptor_set_layout_unref(struct vk_device *device,
{
assert(layout && layout->ref_cnt >= 1);
if (p_atomic_dec_zero(&layout->ref_cnt))
vk_object_free(device, NULL, layout);
layout->destroy(device, layout);
}
#ifdef __cplusplus