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path: root/tests/spec/arb_multisample/beginend.c
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/*
 * Copyright © 2011 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.
 */

#include "piglit-util-gl-common.h"

/**
 * @file beginend.c
 *
 * From the EXT_framebuffer_multisample spec:
 *
 *     "INVALID_OPERATION is generated if SampleCoverageARB is called
 *      between the execution of Begin and the execution of the
 *      corresponding End."
 */

PIGLIT_GL_TEST_CONFIG_BEGIN

	config.window_width = 32;
	config.window_height = 32;
	config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_ALPHA;

PIGLIT_GL_TEST_CONFIG_END

enum piglit_result
piglit_display(void)
{
	/* UNREACHED */
	return PIGLIT_FAIL;
}

void
piglit_init(int argc, char **argv)
{
	bool pass = true;

	piglit_require_extension("GL_ARB_multisample");

	glSampleCoverageARB(1.0, false);
	pass = pass && piglit_check_gl_error(0);

	glBegin(GL_TRIANGLES);
	glSampleCoverageARB(0.5, false);
	glEnd();
	pass = pass && piglit_check_gl_error(GL_INVALID_OPERATION);

	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}