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/*
* Copyright © 2010 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:
* Neil Roberts <neil@linux.intel.com>
*
*/
/** @file scissor-offscreen.c
*
* Test case for setting a scissor that is entirely offscreen. This
* should clip everything but under current Mesa master with i965 it
* clips nothing
*
* Bug #27643
*/
#include "piglit-util.h"
int piglit_width = 64;
int piglit_height = 64;
int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
enum piglit_result
piglit_display(void)
{
static const GLfloat window_color[] = { 1.0f, 1.0f, 1.0f, 1.0f };
GLboolean pass = GL_TRUE;
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
/* Clear to white */
glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
/* Set a fully offscreen scissor. This should clip everything */
glEnable(GL_SCISSOR_TEST);
glScissor(0, piglit_height, 0, 0);
/* Fill the window with red */
glColor3f (1.0f, 0.0f, 0.0f);
piglit_draw_rect(0, 0, piglit_width, piglit_height);
glDisable(GL_SCISSOR_TEST);
/* Verify some pixels around the window */
pass = pass && piglit_probe_pixel_rgb(0, 0, window_color);
pass = pass && piglit_probe_pixel_rgb(piglit_width / 2, piglit_height / 2,
window_color) && pass;
pass = pass && piglit_probe_pixel_rgb(piglit_width - 1, piglit_height - 1,
window_color) && pass;
glutSwapBuffers();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
void
piglit_init(int argc, char**argv)
{
}
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