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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:
* Ben Holmes <shranzel@hotmail.com>
*/
/*
* draws two triangles using different colors for each vert(1st-red, 2nd-green,
* 3rd-blue). first tri drawn using glProvokingVertexEXT set to
* GL_FIRST_VERTEX_CONVENTION_EXT.
* Second tri using GL_LAST_VERTEX_CONVENTION_EXT.
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_width = 400;
config.window_height = 300;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
void
piglit_init(int argc, char **argv)
{
piglit_require_extension("GL_EXT_provoking_vertex");
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
glShadeModel(GL_FLAT);
glClearColor(0.2, 0.2, 0.2, 1.0);
}
enum piglit_result
piglit_display(void)
{
static const float red[3] = {0.9, 0.0, 0.0};
static const float blue[3] = {0.0, 0.0, 0.9};
static const float green[3] = {0.0, 1.0, 0.0};
GLboolean pass = GL_TRUE;
glClear(GL_COLOR_BUFFER_BIT);
glProvokingVertexEXT(GL_FIRST_VERTEX_CONVENTION_EXT);
/* lower triangle: counter-clockwise */
glBegin(GL_TRIANGLES);
glColor3fv(red);
glVertex3i(125, 85, 0);
glColor3fv(green);
glVertex3i(175, 85, 0);
glColor3fv(blue);
glVertex3i(150, 110, 0);
glEnd();
/* upper triangle: clockwise */
glBegin(GL_TRIANGLES);
glColor3fv(red);
glVertex3i(125, 165, 0);
glColor3fv(blue);
glVertex3i(150, 190, 0);
glColor3fv(green);
glVertex3i(175, 165, 0);
glEnd();
glProvokingVertexEXT(GL_LAST_VERTEX_CONVENTION_EXT);
/* lower triangle: counter-clockwise */
glBegin(GL_TRIANGLES);
glColor3fv(red);
glVertex3i(200, 85, 0);
glColor3fv(green);
glVertex3i(250, 85, 0);
glColor3fv(blue);
glVertex3i(225, 110, 0);
glEnd();
/* upper triangle: clockwise */
glBegin(GL_TRIANGLES);
glColor3fv(green);
glVertex3i(250, 165, 0);
glColor3fv(red);
glVertex3i(200, 165, 0);
glColor3fv(blue);
glVertex3i(225, 190, 0);
glEnd();
pass = pass && piglit_probe_pixel_rgb(150, 90, red);
pass = pass && piglit_probe_pixel_rgb(150, 170, red);
pass = pass && piglit_probe_pixel_rgb(225, 90, blue);
pass = pass && piglit_probe_pixel_rgb(225, 170, blue);
glFinish();
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
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