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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:
* Eric Anholt <eric@anholt.net>
*
*/
/** @file glx-multithread.c
*
* Test that rendering two plain colored rectangles in two different threads
* to the same GLX window works correctly.
*/
#include "piglit-util-gl.h"
#include "piglit-glx-util.h"
#include "pthread.h"
int piglit_width = 50, piglit_height = 50;
static Display *dpy;
static Window win;
static pthread_mutex_t mutex;
static XVisualInfo *visinfo;
static void *
thread_func(void *arg)
{
GLXContext ctx;
int *x = arg;
Bool ret;
pthread_mutex_lock(&mutex);
ctx = piglit_get_glx_context(dpy, visinfo);
ret = glXMakeCurrent(dpy, win, ctx);
assert(ret);
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
glColor4f(0.0, 1.0, 0.0, 0.0);
piglit_draw_rect(*x, 10, 10, 10);
glFinish();
glXDestroyContext(dpy, ctx);
pthread_mutex_unlock(&mutex);
return NULL;
}
enum piglit_result
draw(Display *dpy)
{
GLboolean pass = GL_TRUE;
float green[] = {0.0, 1.0, 0.0, 0.0};
pthread_t thread1, thread2;
void *retval;
int ret;
int x1 = 10, x2 = 30;
GLXContext ctx;
ctx = piglit_get_glx_context(dpy, visinfo);
glXMakeCurrent(dpy, win, ctx);
piglit_dispatch_default_init(PIGLIT_DISPATCH_GL);
/* Clear background to gray */
glClearColor(0.5, 0.5, 0.5, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glFinish();
pthread_mutex_init(&mutex, NULL);
/* Now, spawn some threads that do some drawing, both with this
* context
*/
pthread_create(&thread1, NULL, thread_func, &x1);
pthread_create(&thread2, NULL, thread_func, &x2);
ret = pthread_join(thread1, &retval);
assert(ret == 0);
ret = pthread_join(thread2, &retval);
assert(ret == 0);
pthread_mutex_destroy(&mutex);
pass &= piglit_probe_pixel_rgb(15, 15, green);
pass &= piglit_probe_pixel_rgb(35, 15, green);
glXSwapBuffers(dpy, win);
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
int
main(int argc, char **argv)
{
int i;
for(i = 1; i < argc; ++i) {
if (!strcmp(argv[i], "-auto"))
piglit_automatic = 1;
else
fprintf(stderr, "Unknown option: %s\n", argv[i]);
}
XInitThreads();
dpy = XOpenDisplay(NULL);
if (dpy == NULL) {
fprintf(stderr, "couldn't open display\n");
piglit_report_result(PIGLIT_FAIL);
}
visinfo = piglit_get_glx_visual(dpy);
win = piglit_get_glx_window(dpy, visinfo);
XMapWindow(dpy, win);
piglit_glx_event_loop(dpy, draw);
return 0;
}
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