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/*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* 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 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
* BRIAN PAUL 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.
*/
/*
* Brian Paul 26 January 2000
* Adapted for PlayOnLinux usage by Quentin PÂRIS 03 march 2012
* Built with gcc -lGL (-m32 for 32bits version)
*/
#define GLX_GLXEXT_PROTOTYPES
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <GL/gl.h>
#include <GL/glx.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifndef GLX_NONE_EXT
#define GLX_NONE_EXT 0x8000
#endif
#ifndef GLX_TRANSPARENT_RGB
#define GLX_TRANSPARENT_RGB 0x8008
#endif
#ifndef GLX_RGBA_BIT
#define GLX_RGBA_BIT 0x00000001
#endif
#ifndef GLX_COLOR_INDEX_BIT
#define GLX_COLOR_INDEX_BIT 0x00000002
#endif
static void print_screen_info(Display *dpy, GLboolean limits)
{
int attribSingle[] = {
GLX_RGBA,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
None };
int attribDouble[] = {
GLX_RGBA,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_DOUBLEBUFFER,
None };
GLXContext ctx = NULL;
XVisualInfo *visinfo;
/*
* Find a basic GLX visual. We'll then create a rendering context and
* query various info strings.
*/
visinfo = glXChooseVisual(dpy, 0, attribSingle);
if (!visinfo)
visinfo = glXChooseVisual(dpy, 0, attribDouble);
if (visinfo)
ctx = glXCreateContext( dpy, visinfo, NULL, True );
if (!visinfo) {
exit(2);
}
if (!ctx) {
fprintf(stderr, "Error: glXCreateContext failed\n");
XFree(visinfo);
exit(2);
}
if (glXIsDirect(dpy, ctx)) {
printf("64bits direct rendering is enabled\n");
exit(0);
} else {
printf("64bits direct rendering is not enabled\n");
exit(1);
}
glXDestroyContext(dpy, ctx);
XFree(visinfo);
}
int main(int argc, char *argv[])
{
char *displayName = NULL;
Display *dpy;
dpy = XOpenDisplay(displayName);
if (!dpy) {
return -1;
}
/* Just want to see if direct rendering is supported on the main screen */
print_screen_info(dpy, GL_FALSE);
XCloseDisplay(dpy);
return 0;
}
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