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/*
* 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 oes-read-format.c
*
* Tests that GL_OES_read_format works and returns a set of parameters valid
* for ReadPixels.
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_MAIN(
100 /*window_width*/,
100 /*window_height*/,
GLUT_RGB | GLUT_DOUBLE)
enum piglit_result
piglit_display(void)
{
GLboolean pass = GL_TRUE;
static float green[] = {0.0, 1.0, 0.0, 0.0};
uint32_t vals[4];
GLint format, type;
glColor4fv(green);
piglit_draw_rect(0, 0, piglit_width, piglit_height);
glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, &format);
glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE_OES, &type);
glReadPixels(1, 1, 1, 1, format, type, vals);
pass = glGetError() == 0;
glutSwapBuffers();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
static void reshape(int width, int height)
{
piglit_width = width;
piglit_height = height;
piglit_ortho_projection(width, height, GL_FALSE);
}
void
piglit_init(int argc, char **argv)
{
reshape(piglit_width, piglit_height);
piglit_require_extension("GL_OES_read_format");
}
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