IABSD.fr/xenocara/lib/mesa/src/intel/vulkan/tests/state_pool_padding.c

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• Author : jsg
  Date : 2025-06-05 11:23:11
  Hash : 67d6f117
  Message : Import Mesa 25.0.7

• lib/mesa/src/intel/vulkan/tests/state_pool_padding.c

• /*
   * Copyright © 2018 Intel Corporation
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice (including the next
   * paragraph) shall be included in all copies or substantial portions of the
   * Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   * IN THE SOFTWARE.
   */
  
  #include "anv_private.h"
  #include "test_common.h"
  
  void state_pool_padding_test(void);
  
  void state_pool_padding_test(void)
  {
     struct anv_physical_device physical_device = {};
     struct anv_device device = {};
     struct anv_state_pool state_pool;
     const uint32_t _1Gb = 1024 * 1024 * 1024;
  
     test_device_info_init(&physical_device.info);
     anv_device_set_physical(&device, &physical_device);
     device.kmd_backend = anv_kmd_backend_get(INTEL_KMD_TYPE_STUB);
     pthread_mutex_init(&device.mutex, NULL);
     anv_bo_cache_init(&device.bo_cache, &device);
     anv_state_pool_init(&state_pool, &device,
                         &(struct anv_state_pool_params) {
                            .name         = "test",
                            .base_address = 4096,
                            .start_offset = 0,
                            .block_size   = 4096,
                            .max_size     = _1Gb,
                         });
  
     /* Get the size of the underlying block_pool */
     struct anv_block_pool *bp = &state_pool.block_pool;
     uint64_t pool_size = bp->size;
  
     /* Grab one so the pool has some initial usage */
     anv_state_pool_alloc(&state_pool, 16, 16);
  
     /* Grab a state that is the size of the initial allocation */
     struct anv_state state = anv_state_pool_alloc(&state_pool, pool_size, 16);
  
     /* The pool must have grown */
     ASSERT(bp->size > pool_size);
  
     /* And the state must have been allocated at the end of the original size  */
     ASSERT(state.offset == pool_size);
  
     /* A new allocation that fits into the returned empty space should have an
      * offset within the original pool size
      */
     state = anv_state_pool_alloc(&state_pool, 4096, 16);
     ASSERT(state.offset + state.alloc_size <= pool_size);
  
     /* We should be able to allocate pool->block_size'd chunks in the returned area
      */
     int left_chunks = pool_size / 4096 - 2;
     for (int i = 0; i < left_chunks; i++) {
        state = anv_state_pool_alloc(&state_pool, 4096, 16);
        ASSERT(state.offset + state.alloc_size <= pool_size);
     }
  
     /* Now the next chunk to be allocated should make the pool grow again */
     pool_size = bp->size;
     state = anv_state_pool_alloc(&state_pool, 4096, 16);
     ASSERT(bp->size > pool_size);
     ASSERT(state.offset == pool_size);
  
     anv_state_pool_finish(&state_pool);
     anv_bo_cache_finish(&device.bo_cache);
     pthread_mutex_destroy(&device.mutex);
  }