/*
 * Copyright © 2009 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.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
 *
 */

/** @file glsl-getactiveuniform-count.c
 *
 * Tests that glGetActiveUniform's maximum index is correctly reflected in
 * GL_ACTIVE_UNIFORMS.
 */

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

PIGLIT_GL_TEST_MAIN(
    100 /*window_width*/,
    100 /*window_height*/,
    PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE)

static GLint prog;

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

void
piglit_init(int argc, char **argv)
{
	GLboolean pass = GL_TRUE;
	GLint vs, fs, num;
	GLint expect;

	if (argc < 3) {
		printf("Usage: %s <vertex shader file> "
		       "<expected uniform count>\n", argv[0]);
		piglit_report_result(PIGLIT_FAIL);
	}

	expect = (int) strtol(argv[2], NULL, 0);

	piglit_require_GLSL();
	vs = piglit_compile_shader(GL_VERTEX_SHADER, argv[1]);
	fs = piglit_compile_shader(GL_FRAGMENT_SHADER,
				   "shaders/glsl-color.frag");

	prog = piglit_link_simple_program(vs, fs);

	piglit_GetProgramiv(prog, GL_ACTIVE_UNIFORMS, &num);
	if (num != expect) {
		printf("Unexpected active uniform count "
		       "(saw %d, expected %d)\n", num, expect);
		pass = GL_FALSE;
	}

	if (pass)
		piglit_report_result(PIGLIT_PASS);
	else
		piglit_report_result(PIGLIT_FAIL);
}