mesa/src/vulkan/runtime/vk_descriptor_update_template.h
Alyssa Rosenzweig 24c897ff46 vulkan: reference count vk_descriptor_update_template
We need to extend the lifetime of DUTs for capture/replay based secondaries.
Copy the reference counting boilerplate from vk_descriptor_set_layout.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Suggested-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28682>
2024-06-20 16:43:55 +00:00

116 lines
3.8 KiB
C

/*
* Copyright © 2017 Intel Corporation
* Copyright © 2022 Collabora, Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef VK_DESCRIPTOR_UPDATE_TEMPLATE_H
#define VK_DESCRIPTOR_UPDATE_TEMPLATE_H
#include "vk_object.h"
#ifdef __cplusplus
extern "C" {
#endif
struct vk_descriptor_template_entry {
/** VkDescriptorUpdateTemplateEntry::descriptorType */
VkDescriptorType type;
/** VkDescriptorUpdateTemplateEntry::dstBinding */
uint32_t binding;
/** VkDescriptorUpdateTemplateEntry::dstArrayElement */
uint32_t array_element;
/** VkDescriptorUpdateTemplateEntry::descriptorCount */
uint32_t array_count;
/** VkDescriptorUpdateTemplateEntry::offset
*
* Offset into the user provided data */
size_t offset;
/** VkDescriptorUpdateTemplateEntry::stride
*
* Stride between elements into the user provided data
*/
size_t stride;
};
struct vk_descriptor_update_template {
struct vk_object_base base;
/** VkDescriptorUpdateTemplateCreateInfo::templateType */
VkDescriptorUpdateTemplateType type;
/** VkDescriptorUpdateTemplateCreateInfo::pipelineBindPoint */
VkPipelineBindPoint bind_point;
/** VkDescriptorUpdateTemplateCreateInfo::set
*
* The descriptor set this template corresponds to. This value is only
* valid if the template was created with the templateType
* VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET.
*/
uint8_t set;
/** VkDescriptorUpdateTemplateCreateInfo::descriptorUpdateEntryCount */
uint32_t entry_count;
/** Reference count.
*
* It is legal to enqueue a push template update to a secondary command
* buffer and destroy the template before executing the secondary. As
* capture-replay based secondaries reference the template, we need to
* reference count to extend the lifetime appropriately.
*/
uint32_t ref_cnt;
/** Entries of the template */
struct vk_descriptor_template_entry entries[0];
};
static inline struct vk_descriptor_update_template *
vk_descriptor_update_template_ref(struct vk_descriptor_update_template *templ)
{
assert(templ && templ->ref_cnt >= 1);
p_atomic_inc(&templ->ref_cnt);
return templ;
}
static inline void
vk_descriptor_update_template_unref(struct vk_device *device,
struct vk_descriptor_update_template *templ)
{
assert(templ && templ->ref_cnt >= 1);
if (p_atomic_dec_zero(&templ->ref_cnt))
vk_object_free(device, NULL, templ);
}
VK_DEFINE_NONDISP_HANDLE_CASTS(vk_descriptor_update_template, base,
VkDescriptorUpdateTemplate,
VK_OBJECT_TYPE_DESCRIPTOR_UPDATE_TEMPLATE)
#ifdef __cplusplus
}
#endif
#endif /* VK_DESCRIPTOR_UPDATE_TEMPLATE_H */