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35c430e75a
It provides shmem suballocations. It is designed to be used with short-lived shmems. A long-lived shmem can hold on to some large allocation while only using a likely small region of the large allocation. v2: cleanups suggested by Yiwei Signed-off-by: Chia-I Wu <olvaffe@gmail.com> Reviewed-by: Ryan Neph <ryanneph@google.com> (v1) Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14179>
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* Copyright 2021 Google LLC
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* SPDX-License-Identifier: MIT
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*/
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#ifndef VN_RENDERER_UTIL_H
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#define VN_RENDERER_UTIL_H
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#include "vn_renderer.h"
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/* for suballocations of short-lived shmems, not thread-safe */
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struct vn_renderer_shmem_pool {
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size_t min_alloc_size;
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struct vn_renderer_shmem *shmem;
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size_t size;
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size_t used;
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};
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static inline VkResult
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vn_renderer_submit_simple(struct vn_renderer *renderer,
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const void *cs_data,
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size_t cs_size)
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{
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const struct vn_renderer_submit submit = {
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.batches =
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&(const struct vn_renderer_submit_batch){
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.cs_data = cs_data,
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.cs_size = cs_size,
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},
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.batch_count = 1,
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};
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return vn_renderer_submit(renderer, &submit);
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}
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VkResult
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vn_renderer_submit_simple_sync(struct vn_renderer *renderer,
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const void *cs_data,
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size_t cs_size);
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void
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vn_renderer_shmem_pool_init(struct vn_renderer *renderer,
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struct vn_renderer_shmem_pool *pool,
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size_t min_alloc_size);
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void
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vn_renderer_shmem_pool_fini(struct vn_renderer *renderer,
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struct vn_renderer_shmem_pool *pool);
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struct vn_renderer_shmem *
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vn_renderer_shmem_pool_alloc(struct vn_renderer *renderer,
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struct vn_renderer_shmem_pool *pool,
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size_t size,
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size_t *out_offset);
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#endif /* VN_RENDERER_UTIL_H */
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