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/*
* Copyright © 2012 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:
* Keith Packard <keithp@keithp.com>
*/
#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_VISUAL_DEPTH;
PIGLIT_GL_TEST_CONFIG_END
void
piglit_init(int argc, char **argv)
{
piglit_ortho_projection(piglit_width, piglit_height, false);
glShadeModel(GL_FLAT);
glClearColor(0.2, 0.2, 0.2, 1.0);
}
float red[3] = {1.0, 0.0, 0.0};
float blue[3] = {0.0, 0.0, 1.0};
#define SIZE 40
#define SPACE 50
#define X(x) ((x) * SPACE + SIZE/2)
#define Y(y) ((y) * SPACE + SIZE/2)
int line_width;
static void
do_rect(int x, int y, float color[3], int mode)
{
glColor3fv(color);
glPolygonMode(GL_FRONT_AND_BACK, mode);
piglit_draw_rect_z(0, X(x), Y(y), SIZE, SIZE);
}
static int
check(int x, int y, float color[3])
{
return piglit_probe_pixel_rgb(X(x) + SIZE-line_width/4, Y(y) + SIZE - line_width/4, color);
}
static int poly_mode[3] = { GL_FILL, GL_LINE, GL_POINT };
enum piglit_result
piglit_display(void)
{
int x = 0, y = 0;
int line_width_range[2];
int point_size_range[2];
bool pass = true;
int first_mode;
int second_mode;
int over;
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glGetIntegerv(GL_ALIASED_LINE_WIDTH_RANGE, line_width_range);
line_width = line_width_range[1];
glGetIntegerv(GL_ALIASED_POINT_SIZE_RANGE, point_size_range);
if (line_width > point_size_range[1])
line_width = point_size_range[1];
line_width = MIN2(line_width, 12);
glLineWidth(line_width);
glPointSize(line_width);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glEnable(GL_POLYGON_OFFSET_FILL);
glEnable(GL_POLYGON_OFFSET_POINT);
glEnable(GL_POLYGON_OFFSET_LINE);
for (first_mode = 0; first_mode < 3; first_mode++) {
for (second_mode = 0; second_mode < 3; second_mode++) {
for (over = 0; over < 2; over++) {
glPolygonOffset(0.0, 0.0);
do_rect(x, y, red, poly_mode[first_mode]);
glPolygonOffset(0.0, over ? -1.0 : 1.0);
do_rect(x, y, blue, poly_mode[second_mode]);
pass = pass && check(x, y, over ? blue : red);
if (++x == 4) {
x = 0;
y++;
}
}
}
}
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
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