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/*
* Copyright (c) 2014 VMware, Inc.
*
* 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 lineloop.c
*
* Test line loop with many vertices.
* No additional lines should appear due to buffer splitting.
*/
#include "piglit-util-gl.h"
#define WSIZE 400
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_width = WSIZE;
config.window_height = WSIZE;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
static const char *TestName = "lineloop";
static int vert_count = 10000;
static void
draw(GLuint numVerts)
{
GLuint i;
glColor3f(1,0,1);
glBegin(GL_LINE_LOOP);
for (i = 0; i < numVerts; i++) {
glVertex3f(sin(i*M_PI*2/numVerts), cos(i*M_PI*2/numVerts),0);
}
glEnd();
}
static void
test_prims(void)
{
if (!piglit_automatic)
printf("%s: %u vertices\n", TestName, vert_count);
glClear(GL_COLOR_BUFFER_BIT);
draw(vert_count);
piglit_present_results();
}
enum piglit_result
piglit_display(void)
{
float expected[4] = {0.0f, 0.0f, 0.0f, 0.0f};
int pass;
int half_quad = (int)((float)(WSIZE/2) / sqrt(2.0f) - 1.0f);
test_prims();
pass = piglit_probe_rect_rgb(WSIZE / 2 - half_quad,
WSIZE / 2 - half_quad,
half_quad, half_quad, expected);
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
void
piglit_init(int argc, char**argv)
{
int i;
for (i = 1; i < argc; ++i) {
if (i + 1 < argc) {
if (strcmp(argv[i], "-count") == 0) {
vert_count = strtoul(argv[++i], NULL, 0);
}
}
}
glViewport(0,0, WSIZE, WSIZE);
glOrtho(-1,1,-1,1,-1,1);
}
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