tests/spec/glx_oml_sync_control/waitformsc.c

   1 /*
   2  * Copyright © 2012 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  * Authors:
  24  *    Eric Anholt <eric@anholt.net>
  25  *
  26  */
  27
  28 /** @file waitformsc.c
  29  *
  30  * Test that glXWaitForMscOML() waits until both it and
  31  * glXGetSyncValuesOML() return a an msc that meet the target.
  32  */
  33
  34 #include "piglit-util-gl.h"
  35 #include "piglit-glx-util.h"
  36 #include "common.h"
  37
  38 int piglit_width = 50, piglit_height = 50;
  39
  40 enum piglit_result
  41 draw(Display *dpy)
  42 {
  43         /* Fill the variables that will be returned as out values with
  44          * junk to better detect failure there.
  45          */
  46         int64_t start_ust = 0xd0, start_msc = 0xd0, start_sbc = 0xd0;
  47         int64_t wait_ust = 0xd0, wait_msc = 0xd0, wait_sbc = 0xd0;
  48         int64_t current_ust = 0xd0, current_msc = 0xd0, current_sbc = 0xd0;
  49         int64_t target_msc;
  50         bool already_wrapped = false;
  51
  52         piglit_set_timeout(5, PIGLIT_FAIL);
  53
  54 wrap:
  55         glXGetSyncValuesOML(dpy, win, &start_ust, &start_msc, &start_sbc);
  56
  57         /* Wait for the MSC to be at least equal to target,
  58          * with no divisor trickery.
  59          */
  60         target_msc = start_msc + 5;
  61         glXWaitForMscOML(dpy, win, target_msc, 0, 0,
  62                          &wait_ust, &wait_msc, &wait_sbc);
  63
  64         glXGetSyncValuesOML(dpy, win,
  65                             &current_ust, &current_msc, &current_sbc);
  66
  67         if (current_msc < target_msc) {
  68                 /* The clock may have actually wrapped, in which case
  69                  * we need to try again because we're not doing
  70                  * wrapping math here for simplicity.
  71                  */
  72                 if (!already_wrapped) {
  73                         already_wrapped = true;
  74                         goto wrap;
  75                 }
  76
  77                 fprintf(stderr,
  78                         "glXGetSyncValuesOML() returned msc of %lld, "
  79                         "expected >= %lld\n",
  80                         (long long)current_msc,
  81                         (long long)target_msc);
  82         }
  83
  84         if (wait_msc < target_msc) {
  85                 fprintf(stderr,
  86                         "glXWaitForMscOML() returned msc of %lld, "
  87                         "expected >= %lld\n",
  88                         (long long)wait_msc,
  89                         (long long)target_msc);
  90         }
  91
  92         piglit_report_result(PIGLIT_PASS);
  93
  94         /* UNREACHED */
  95         return PIGLIT_FAIL;
  96 }
  97
  98 int
  99 main(int argc, char **argv)
 100 {
 101         for (int i = 1; i < argc; i++) {
 102                 if (!strcmp(argv[i], "-auto"))
 103                         piglit_automatic = 1;
 104                 else
 105                         fprintf(stderr, "Unknown option: %s\n", argv[i]);
 106         }
 107
 108         piglit_oml_sync_control_test_run(false, draw);
 109
 110         return 0;
 111 }