c374033f5b
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24355>
82 lines
3.1 KiB
C
82 lines
3.1 KiB
C
/*
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* Copyright © 2018 Intel Corporation
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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
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "anv_private.h"
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#include "test_common.h"
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void state_pool_padding_test(void);
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void state_pool_padding_test(void)
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{
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struct anv_physical_device physical_device = {};
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struct anv_device device = {};
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struct anv_state_pool state_pool;
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test_device_info_init(&physical_device.info);
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anv_device_set_physical(&device, &physical_device);
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device.kmd_backend = anv_kmd_backend_get(INTEL_KMD_TYPE_STUB);
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pthread_mutex_init(&device.mutex, NULL);
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anv_bo_cache_init(&device.bo_cache, &device);
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anv_state_pool_init(&state_pool, &device, "test", 4096, 0, 4096);
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/* Get the size of the underlying block_pool */
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struct anv_block_pool *bp = &state_pool.block_pool;
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uint64_t pool_size = bp->size;
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/* Grab one so the pool has some initial usage */
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anv_state_pool_alloc(&state_pool, 16, 16);
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/* Grab a state that is the size of the initial allocation */
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struct anv_state state = anv_state_pool_alloc(&state_pool, pool_size, 16);
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/* The pool must have grown */
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ASSERT(bp->size > pool_size);
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/* And the state must have been allocated at the end of the original size */
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ASSERT(state.offset == pool_size);
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/* A new allocation that fits into the returned empty space should have an
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* offset within the original pool size
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*/
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state = anv_state_pool_alloc(&state_pool, 4096, 16);
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ASSERT(state.offset + state.alloc_size <= pool_size);
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/* We should be able to allocate pool->block_size'd chunks in the returned area
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*/
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int left_chunks = pool_size / 4096 - 2;
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for (int i = 0; i < left_chunks; i++) {
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state = anv_state_pool_alloc(&state_pool, 4096, 16);
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ASSERT(state.offset + state.alloc_size <= pool_size);
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}
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/* Now the next chunk to be allocated should make the pool grow again */
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pool_size = bp->size;
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state = anv_state_pool_alloc(&state_pool, 4096, 16);
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ASSERT(bp->size > pool_size);
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ASSERT(state.offset == pool_size);
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anv_state_pool_finish(&state_pool);
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anv_bo_cache_finish(&device.bo_cache);
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pthread_mutex_destroy(&device.mutex);
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}
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