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/*
* 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 {
struct vn_buffer_memory_requirements requirements;
atomic_bool valid;
};
struct vn_buffer_cache {
/* cache memory type requirement for AHB backed VkBuffer */
uint32_t ahb_mem_type_bits;
uint64_t max_buffer_size;
/* lazily cache memory requirements for native buffer infos */
struct util_sparse_array entries;
simple_mtx_t mutex;
struct {
uint32_t cache_skip_count;
uint32_t cache_hit_count;
uint32_t cache_miss_count;
} debug;
};
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 */
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