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/*
* Copyright © 2013 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 api.c
*
* Tests new APIs and enums added by ARB_sample_shading spec:
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
enum piglit_result
piglit_display(void)
{
/* Unreached */
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
float value;
bool pass = true;
piglit_require_extension("GL_ARB_sample_shading");
pass = !glIsEnabled(GL_SAMPLE_SHADING_ARB) && pass;
glEnable(GL_SAMPLE_SHADING_ARB);
pass = glIsEnabled(GL_SAMPLE_SHADING_ARB) && pass;
glDisable(GL_SAMPLE_SHADING_ARB);
pass = !glIsEnabled(GL_SAMPLE_SHADING_ARB) && pass;
piglit_check_gl_error(GL_NO_ERROR);
glGetFloatv(GL_MIN_SAMPLE_SHADING_VALUE_ARB, &value);
pass = (value == 0.0) && pass;
glMinSampleShadingARB(0.5);
glGetFloatv(GL_MIN_SAMPLE_SHADING_VALUE_ARB, &value);
pass = (value == 0.5) && pass;
/* Verify GL_MIN_SAMPLE_SHADING_VALUE_ARB is clamped to range [0, 1] */
glMinSampleShadingARB(1.5);
glGetFloatv(GL_MIN_SAMPLE_SHADING_VALUE_ARB, &value);
pass = (value == 1.0) && pass;
glMinSampleShadingARB(-0.5);
glGetFloatv(GL_MIN_SAMPLE_SHADING_VALUE_ARB, &value);
pass = (value == 0.0) && pass;
piglit_check_gl_error(GL_NO_ERROR);
piglit_report_result( pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
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