src/intel/vulkan/tests/state_pool_padding.c

   1 /*
   2  * Copyright © 2018 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include "anv_private.h"
  25 #include "test_common.h"
  26
  27 int main(int argc, char **argv)
  28 {
  29    struct anv_physical_device physical_device = {
  30       .use_softpin = true,
  31    };
  32    struct anv_device device = {
  33       .physical = &physical_device,
  34    };
  35    struct anv_state_pool state_pool;
  36
  37    pthread_mutex_init(&device.mutex, NULL);
  38    anv_bo_cache_init(&device.bo_cache);
  39    anv_state_pool_init(&state_pool, &device, 4096, 0, 4096);
  40
  41    /* Get the size of the underlying block_pool */
  42    struct anv_block_pool *bp = &state_pool.block_pool;
  43    uint64_t pool_size = bp->size;
  44
  45    /* Grab one so the pool has some initial usage */
  46    anv_state_pool_alloc(&state_pool, 16, 16);
  47
  48    /* Grab a state that is the size of the initial allocation */
  49    struct anv_state state = anv_state_pool_alloc(&state_pool, pool_size, 16);
  50
  51    /* The pool must have grown */
  52    ASSERT(bp->size > pool_size);
  53
  54    /* And the state must have been allocated at the end of the original size  */
  55    ASSERT(state.offset == pool_size);
  56
  57    /* A new allocation that fits into the returned empty space should have an
  58     * offset within the original pool size
  59     */
  60    state = anv_state_pool_alloc(&state_pool, 4096, 16);
  61    ASSERT(state.offset + state.alloc_size <= pool_size);
  62
  63    /* We should be able to allocate pool->block_size'd chunks in the returned area
  64     */
  65    int left_chunks = pool_size / 4096 - 2;
  66    for (int i = 0; i < left_chunks; i++) {
  67       state = anv_state_pool_alloc(&state_pool, 4096, 16);
  68       ASSERT(state.offset + state.alloc_size <= pool_size);
  69    }
  70
  71    /* Now the next chunk to be allocated should make the pool grow again */
  72    pool_size = bp->size;
  73    state = anv_state_pool_alloc(&state_pool, 4096, 16);
  74    ASSERT(bp->size > pool_size);
  75    ASSERT(state.offset == pool_size);
  76
  77    anv_state_pool_finish(&state_pool);
  78 }