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/*
* Copyright 2021 Google LLC
* SPDX-License-Identifier: MIT
*/
#ifndef VN_RENDERER_INTERNAL_H
#define VN_RENDERER_INTERNAL_H
#include "vn_renderer.h"
typedef void (*vn_renderer_shmem_cache_destroy_func)(
struct vn_renderer *renderer, struct vn_renderer_shmem *shmem);
struct vn_renderer_shmem_cache {
bool initialized;
struct vn_renderer *renderer;
vn_renderer_shmem_cache_destroy_func destroy_func;
simple_mtx_t mutex;
/* cache shmems up to 2^26 in size (see choose_bucket) */
struct vn_renderer_shmem_bucket {
struct list_head shmems;
} buckets[27];
/* which buckets have shmems */
uint32_t bucket_mask;
struct {
uint32_t cache_skip_count;
uint32_t cache_hit_count;
uint32_t cache_miss_count;
} debug;
};
void
vn_renderer_shmem_cache_init(
struct vn_renderer_shmem_cache *cache,
struct vn_renderer *renderer,
vn_renderer_shmem_cache_destroy_func destroy_func);
void
vn_renderer_shmem_cache_fini(struct vn_renderer_shmem_cache *cache);
bool
vn_renderer_shmem_cache_add(struct vn_renderer_shmem_cache *cache,
struct vn_renderer_shmem *shmem);
struct vn_renderer_shmem *
vn_renderer_shmem_cache_get(struct vn_renderer_shmem_cache *cache,
size_t size);
void
vn_renderer_shmem_cache_debug_dump(struct vn_renderer_shmem_cache *cache);
#endif /* VN_RENDERER_INTERNAL_H */
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