mesa/src/virtio/vulkan/vn_buffer.h
Yiwei Zhang 13f2e50aee venus: add buffer cache init and usage flows
1. struct vn_buffer_cache_entry for buffer memory requirements
2. struct vn_buffer_cache for all buffer related cached info
3. implement vn_buffer_cache_init
4. implement vn_buffer_cache_fini
5. empty vn_buffer_get_max_buffer_size
6. empty vn_buffer_cache_entries_create
7. implement vn_buffer_cache_entries_destroy
8. empty vn_buffer_cache_get_memory_requirements

Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Ryan Neph <ryanneph@google.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13428>
2021-10-28 00:23:14 +00:00

68 lines
1.7 KiB
C

/*
* Copyright 2019 Google LLC
* SPDX-License-Identifier: MIT
*
* based in part on anv and radv which are:
* Copyright © 2015 Intel Corporation
* Copyright © 2016 Red Hat.
* Copyright © 2016 Bas Nieuwenhuizen
*/
#ifndef VN_BUFFER_H
#define VN_BUFFER_H
#include "vn_common.h"
struct vn_buffer_memory_requirements {
VkMemoryRequirements2 memory;
VkMemoryDedicatedRequirements dedicated;
};
struct vn_buffer_cache_entry {
const VkBufferCreateInfo *create_info;
struct vn_buffer_memory_requirements requirements;
};
struct vn_buffer_cache {
/* cache memory type requirement for AHB backed VkBuffer */
uint32_t ahb_mem_type_bits;
uint64_t max_buffer_size;
/* cache memory requirements for common native buffer infos */
struct vn_buffer_cache_entry *entries;
uint32_t entry_count;
};
struct vn_buffer {
struct vn_object_base base;
struct vn_buffer_memory_requirements requirements;
};
VK_DEFINE_NONDISP_HANDLE_CASTS(vn_buffer,
base.base,
VkBuffer,
VK_OBJECT_TYPE_BUFFER)
struct vn_buffer_view {
struct vn_object_base base;
};
VK_DEFINE_NONDISP_HANDLE_CASTS(vn_buffer_view,
base.base,
VkBufferView,
VK_OBJECT_TYPE_BUFFER_VIEW)
VkResult
vn_buffer_create(struct vn_device *dev,
const VkBufferCreateInfo *create_info,
const VkAllocationCallbacks *alloc,
struct vn_buffer **out_buf);
VkResult
vn_buffer_cache_init(struct vn_device *dev);
void
vn_buffer_cache_fini(struct vn_device *dev);
#endif /* VN_BUFFER_H */