Quelle  sync_wait.c   Sprache: C

/*
 *  sync fence wait tests
 *  Copyright 2015-2016 Collabora Ltd.
 *
 *  Based on the implementation from the Android Open Source Project,
 *
 *  Copyright 2012 Google, Inc
 *
 *  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 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 "sync.h"
#include "sw_sync.h"
#include "synctest.h"

int test_fence_multi_timeline_wait(void)
{
 int timelineA, timelineB, timelineC;
 int fenceA, fenceB, fenceC, merged;
 int valid, active, signaled, ret;

 timelineA = sw_sync_timeline_create();
 timelineB = sw_sync_timeline_create();
 timelineC = sw_sync_timeline_create();

 fenceA = sw_sync_fence_create(timelineA, "fenceA", 5);
 fenceB = sw_sync_fence_create(timelineB, "fenceB", 5);
 fenceC = sw_sync_fence_create(timelineC, "fenceC", 5);

 merged = sync_merge("mergeFence", fenceB, fenceA);
 merged = sync_merge("mergeFence", fenceC, merged);

 valid = sw_sync_fence_is_valid(merged);
 ASSERT(valid, "Failure merging fence from various timelines\n");

 /* Confirm fence isn't signaled */
 active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
 ASSERT(active == 3, "Fence signaled too early!\n");

 ret = sync_wait(merged, 0);
 ASSERT(ret == 0,
        "Failure waiting on fence until timeout\n");

 ret = sw_sync_timeline_inc(timelineA, 5);
 active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
 signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
 ASSERT(active == 2 && signaled == 1,
        "Fence did not signal properly!\n");

 ret = sw_sync_timeline_inc(timelineB, 5);
 active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
 signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
 ASSERT(active == 1 && signaled == 2,
        "Fence did not signal properly!\n");

 ret = sw_sync_timeline_inc(timelineC, 5);
 active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
 signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
 ASSERT(active == 0 && signaled == 3,
        "Fence did not signal properly!\n");

 /* confirm you can successfully wait */
 ret = sync_wait(merged, 100);
 ASSERT(ret > 0, "Failure waiting on signaled fence\n");

 sw_sync_fence_destroy(merged);
 sw_sync_fence_destroy(fenceC);
 sw_sync_fence_destroy(fenceB);
 sw_sync_fence_destroy(fenceA);
 sw_sync_timeline_destroy(timelineC);
 sw_sync_timeline_destroy(timelineB);
 sw_sync_timeline_destroy(timelineA);

 return 0;
}