130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
/*
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* © Copyright 2017-2018 Alyssa Rosenzweig
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef __AGX_POOL_H__
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#define __AGX_POOL_H__
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#include <stddef.h>
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#include "asahi/lib/agx_pack.h"
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#include "agx_bo.h"
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#include "util/u_dynarray.h"
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/* Represents a pool of memory that can only grow, used to allocate objects
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* with the same lifetime as the pool itself. In OpenGL, a pool is owned by the
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* batch for transient structures. In Vulkan, it may be owned by e.g. the
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* command pool */
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struct agx_pool {
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/* Parent device for allocation */
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struct agx_device *dev;
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/* BOs allocated by this pool */
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struct util_dynarray bos;
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/* Current transient BO */
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struct agx_bo *transient_bo;
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/* Within the topmost transient BO, how much has been used? */
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unsigned transient_offset;
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/* BO flags to use in the pool */
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unsigned create_flags;
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};
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void
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agx_pool_init(struct agx_pool *pool, struct agx_device *dev,
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unsigned create_flags, bool prealloc);
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void
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agx_pool_cleanup(struct agx_pool *pool);
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static inline unsigned
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agx_pool_num_bos(struct agx_pool *pool)
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{
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return util_dynarray_num_elements(&pool->bos, struct agx_bo *);
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}
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void
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agx_pool_get_bo_handles(struct agx_pool *pool, uint32_t *handles);
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/* Represents a fat pointer for GPU-mapped memory, returned from the transient
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* allocator and not used for much else */
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struct agx_ptr
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agx_pool_alloc_aligned(struct agx_pool *pool, size_t sz, unsigned alignment);
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uint64_t
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agx_pool_upload(struct agx_pool *pool, const void *data, size_t sz);
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uint64_t
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agx_pool_upload_aligned(struct agx_pool *pool, const void *data, size_t sz, unsigned alignment);
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struct agx_desc_alloc_info {
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unsigned size;
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unsigned align;
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unsigned nelems;
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};
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#define AGX_DESC_ARRAY(count, name) \
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{ \
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.size = MALI_ ## name ## _LENGTH, \
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.align = MALI_ ## name ## _ALIGN, \
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.nelems = count, \
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}
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#define AGX_DESC(name) AGX_DESC_ARRAY(1, name)
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#define AGX_DESC_AGGREGATE(...) \
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(struct agx_desc_alloc_info[]) { \
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__VA_ARGS__, \
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{ 0 }, \
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}
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static inline struct agx_ptr
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agx_pool_alloc_descs(struct agx_pool *pool,
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const struct agx_desc_alloc_info *descs)
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{
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unsigned size = 0;
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unsigned align = descs[0].align;
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for (unsigned i = 0; descs[i].size; i++) {
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assert(!(size & (descs[i].align - 1)));
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size += descs[i].size * descs[i].nelems;
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}
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return agx_pool_alloc_aligned(pool, size, align);
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}
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#define agx_pool_alloc_desc(pool, name) \
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agx_pool_alloc_descs(pool, AGX_DESC_AGGREGATE(AGX_DESC(name)))
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#define agx_pool_alloc_desc_array(pool, count, name) \
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agx_pool_alloc_descs(pool, AGX_DESC_AGGREGATE(AGX_DESC_ARRAY(count, name)))
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#define agx_pool_alloc_desc_aggregate(pool, ...) \
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agx_pool_alloc_descs(pool, AGX_DESC_AGGREGATE(__VA_ARGS__))
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#endif
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