/*
 * 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.
 */

#include "piglit-util-gl.h"

PIGLIT_GL_TEST_CONFIG_BEGIN

	config.supports_gl_compat_version = 10;

	config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
	config.khr_no_error_support = PIGLIT_NO_ERRORS;

PIGLIT_GL_TEST_CONFIG_END

enum piglit_result
piglit_display(void)
{
	float verts[] = {
		-1, -1,
		 0, -1,
		 0,  1,
		-1,  1,

		 0, -1,
		 1, -1,
		 1,  1,
		 0,  1,
	};
	uint32_t ib_1[] = {0, 1, 2, 3};
	uint32_t ib_2[] = {4, 5, 6, 7};

	bool pass = true;
	size_t size = sizeof(ib_1);
	GLuint vbo, ibo;
	float green[] = {0, 1, 0, 0};

	glColor4fv(green);

	glGenBuffersARB(1, &vbo);
	glBindBufferARB(GL_ARRAY_BUFFER, vbo);
	glBufferData(GL_ARRAY_BUFFER, sizeof(verts), verts, GL_STREAM_DRAW);
	glEnableClientState(GL_VERTEX_ARRAY);
	glVertexPointer(2, GL_FLOAT, 0, NULL);

	glGenBuffersARB(1, &ibo);
	glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, ibo);
	glBufferData(GL_ELEMENT_ARRAY_BUFFER, 4096, NULL, GL_STREAM_DRAW);

	glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, size, ib_1);
	glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_INT, NULL);
	glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, size, ib_2);
	glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_INT, NULL);

	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height, green);

	piglit_present_results();

	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}

void
piglit_init(int argc, char *argv[])
{
	piglit_require_extension("GL_ARB_vertex_buffer_object");
}
