tests/general/timer_query.c

   1 /*
   2  * Copyright © 2009 Intel Corporation
   3  * Copyright © 2010 Mathias Fröhlich
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22  * IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Ian Romanick <ian.d.romanick@intel.com>
  26  *    Mathias Fröhlich <m.froehlich@web.de>
  27  */
  28
  29 /**
  30  * \file timer_query.c
  31  * Simple test for GL_EXT_timer_query.
  32  */
  33
  34 #include "piglit-util-gl.h"
  35
  36 PIGLIT_GL_TEST_CONFIG_BEGIN
  37
  38         config.supports_gl_compat_version = 10;
  39
  40         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_DEPTH;
  41
  42 PIGLIT_GL_TEST_CONFIG_END
  43
  44 static GLuint timer_query;
  45
  46 void
  47 piglit_init(int argc, char **argv)
  48 {
  49         GLint query_bits;
  50
  51         piglit_require_extension("GL_EXT_timer_query");
  52
  53         piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
  54
  55         /* It is legal for a driver to support the query API but not have
  56          * any query bits.  I wonder how many applications actually check for
  57          * this case...
  58          */
  59         (*glGetQueryivARB)(GL_TIME_ELAPSED, GL_QUERY_COUNTER_BITS, &query_bits);
  60         if (query_bits == 0) {
  61                 piglit_report_result(PIGLIT_SKIP);
  62         }
  63
  64         (*glGenQueriesARB)(1, &timer_query);
  65 }
  66
  67 enum piglit_result
  68 piglit_display(void)
  69 {
  70         GLint available = 0;
  71         GLint nsecs;
  72         GLint64 nsecs64;
  73         GLuint64 nsecs64u;
  74
  75         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  76
  77         /* Start a query */
  78         (*glBeginQueryARB)(GL_TIME_ELAPSED_EXT, timer_query);
  79
  80         /* Paint something */
  81         glColor3ub(0xff, 0xff, 0xff);
  82
  83         glBegin(GL_QUADS);
  84         glVertex3f(0, 0, 0);
  85         glVertex3f(piglit_width, 0, 0);
  86         glVertex3f(piglit_width, piglit_height, 0);
  87         glVertex3f(0, piglit_height, 0);
  88         glEnd();
  89
  90         /* Stop a query */
  91         (*glEndQueryARB)(GL_TIME_ELAPSED_EXT);
  92
  93         /* In this case poll until available */
  94         while (!available)
  95                 (*glGetQueryObjectivARB)(timer_query, GL_QUERY_RESULT_AVAILABLE, &available);
  96
  97         /* Get the result */
  98         (*glGetQueryObjectivARB)(timer_query, GL_QUERY_RESULT, &nsecs);
  99         (*glGetQueryObjecti64vEXT)(timer_query, GL_QUERY_RESULT, &nsecs64);
 100         (*glGetQueryObjectui64vEXT)(timer_query, GL_QUERY_RESULT, &nsecs64u);
 101
 102         if ((nsecs & 0xffffffff) != (nsecs64 & 0xffffffff)) {
 103                 printf("timer_query: 32 and 64-bit results differ!\n");
 104                 return PIGLIT_FAIL;
 105         }
 106
 107         if ((nsecs & 0xffffffff) != (nsecs64u & 0xffffffff)) {
 108                 printf("timer_query: 32 and 64-bit unsigned results differ!\n");
 109                 return PIGLIT_FAIL;
 110         }
 111
 112         /*printf("nsecs = %d %ld\n", nsecs, (long int) nsecs64);*/
 113
 114         piglit_present_results();
 115
 116         return PIGLIT_PASS;
 117 }