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/*
* Copyright © 2011 Henri Verbeet <hverbeet@gmail.com>
*
* 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.
*
*/
/** @file fbo-sys-blit.c
*
* Test FBO blits involving the window-system-provided framebuffer.
*/
#include "piglit-util.h"
int piglit_width = 128;
int piglit_height = 128;
int piglit_window_mode = GLUT_DOUBLE | GLUT_RGB;
enum piglit_result piglit_display(void)
{
const float expected[] = {0.0f, 1.0f, 0.0f};
int w = piglit_width;
int h = piglit_height;
glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glDrawBuffer(GL_FRONT);
glReadBuffer(GL_BACK);
glBlitFramebufferEXT(0, 0, w, h, 0, 0, w, h, GL_COLOR_BUFFER_BIT, GL_LINEAR);
glDrawBuffer(GL_BACK);
glClearColor(1.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glFinish();
glReadBuffer(GL_FRONT);
return piglit_probe_pixel_rgb(w / 2, h / 2, expected) ? PIGLIT_PASS : PIGLIT_FAIL;
}
void piglit_init(int argc, char **argv)
{
piglit_require_extension("GL_EXT_framebuffer_object");
piglit_require_extension("GL_EXT_framebuffer_blit");
}
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