/**
 * 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.
 */

/**
 * Test that ProvokingVertex() controls the provoking vertex convention
 *
 * Section 2.18(Flatshading) of OpenGL 3.2 Core says:
 * "The provoking vertex is controlled with the command
 *  	void ProvokingVertex( enum provokeMode );
 *  provokeMode must be either FIRST_VERTEX_CONVENTION or 
 *  LAST_VERTEX_CONVENTION"
 *
 */

#include "piglit-util-gl.h"

PIGLIT_GL_TEST_CONFIG_BEGIN

	config.supports_gl_compat_version = 32;
        config.supports_gl_core_version = 32;
	config.khr_no_error_support = PIGLIT_NO_ERRORS;

PIGLIT_GL_TEST_CONFIG_END

void
piglit_init(int argc, char **argv)
{
	bool pass = true;
	int ret = 0;

	glProvokingVertex(GL_FIRST_VERTEX_CONVENTION);
	glGetIntegerv(GL_PROVOKING_VERTEX, &ret);
	if(ret != GL_FIRST_VERTEX_CONVENTION) {
		printf("GL_PROVOKING_VERTEX was expected to be GL_FIRST_VERTEX"
			"_CONVENTION, but %s was returned.\n",
			 piglit_get_gl_enum_name(ret));
		pass = false;
	}
	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;

	glProvokingVertex(GL_LAST_VERTEX_CONVENTION);
	glGetIntegerv(GL_PROVOKING_VERTEX, &ret);
	if(ret != GL_LAST_VERTEX_CONVENTION) {
		printf("GL_PROVOKING_VERTEX was expected to be GL_LAST_VERTEX"
			"_CONVENTION, but %s was returned.\n",
			 piglit_get_gl_enum_name(ret));
		pass = false;
	}
	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;

	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}

enum piglit_result
piglit_display(void)
{
	return PIGLIT_FAIL;
}
