src/intel/vulkan/tests/state_pool_test_helper.h

   1 /*
   2  * Copyright © 2015 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 <pthread.h>
  25
  26 struct job {
  27    struct anv_state_pool *pool;
  28    unsigned id;
  29    pthread_t thread;
  30 } jobs[NUM_THREADS];
  31
  32 pthread_barrier_t barrier;
  33
  34 static void *alloc_states(void *void_job)
  35 {
  36    struct job *job = void_job;
  37
  38    const unsigned chunk_size = 1 << (job->id % STATES_PER_THREAD_LOG2);
  39    const unsigned num_chunks = STATES_PER_THREAD / chunk_size;
  40
  41    struct anv_state states[chunk_size];
  42
  43    pthread_barrier_wait(&barrier);
  44
  45    for (unsigned c = 0; c < num_chunks; c++) {
  46       for (unsigned i = 0; i < chunk_size; i++) {
  47          states[i] = anv_state_pool_alloc(job->pool, 16, 16);
  48          memset(states[i].map, 139, 16);
  49          assert(states[i].offset != 0);
  50       }
  51
  52       for (unsigned i = 0; i < chunk_size; i++)
  53          anv_state_pool_free(job->pool, states[i]);
  54    }
  55
  56    return NULL;
  57 }
  58
  59 static void run_state_pool_test(struct anv_state_pool *state_pool)
  60 {
  61    pthread_barrier_init(&barrier, NULL, NUM_THREADS);
  62
  63    for (unsigned i = 0; i < NUM_THREADS; i++) {
  64       jobs[i].pool = state_pool;
  65       jobs[i].id = i;
  66       pthread_create(&jobs[i].thread, NULL, alloc_states, &jobs[i]);
  67    }
  68
  69    for (unsigned i = 0; i < NUM_THREADS; i++)
  70       pthread_join(jobs[i].thread, NULL);
  71 }