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/* Copyright © 2012 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.
*/
/** @file repeat-wait.c
*
* From the GL_ARB_sync spec:
*
* "ALREADY_SIGNALED will always be returned if <sync> was
* signaled, even if the value of <timeout> is zero
*
* ...
*
* If the value of <timeout> is zero, then ClientWaitSync does
* not block, but simply tests the current state of
* <sync>. TIMEOUT_EXPIRED will be returned in this case if
* <sync> is not signaled, even though no actual wait was
* performed."
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.window_width = 10;
config.window_height = 10;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_ALPHA;
PIGLIT_GL_TEST_CONFIG_END
#define ONE_SECOND 1000000
enum piglit_result
piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
GLsync sync;
GLenum ret1, ret2;
bool pass = true;
piglit_require_extension("GL_ARB_sync");
glClear(GL_COLOR_BUFFER_BIT);
sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
ret1 = glClientWaitSync(sync, GL_SYNC_FLUSH_COMMANDS_BIT, 0);
glFinish();
ret2 = glClientWaitSync(sync, 0, 0);
glDeleteSync(sync);
if (ret1 != GL_TIMEOUT_EXPIRED &&
ret1 != GL_ALREADY_SIGNALED) {
fprintf(stderr,
"On first wait:\n"
" Expected GL_ALREADY_SIGNALED or GL_TIMEOUT_EXPIRED\n"
" Got %s\n",
piglit_get_gl_enum_name(ret1));
pass = false;
}
if (ret2 != GL_ALREADY_SIGNALED) {
fprintf(stderr,
"On repeated wait:\n"
" Expected GL_ALREADY_SIGNALED\n"
" Got %s\n",
piglit_get_gl_enum_name(ret2));
pass = false;
}
glClear(GL_COLOR_BUFFER_BIT);
sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glFinish();
ret1 = glClientWaitSync(sync, GL_SYNC_FLUSH_COMMANDS_BIT, 0);
if (ret1 != GL_ALREADY_SIGNALED) {
fprintf(stderr,
"On wait after a finish:\n"
" Expected GL_ALREADY_SIGNALED\n"
" Got %s\n",
piglit_get_gl_enum_name(ret1));
pass = false;
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
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