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/* This case is to test the glXCreateWindow() support.
* compile:
* gcc -o test_glXCreateWindow test_glXCreateWindow.c -lGL
* run:
* LIBGL_ALWAYS_SOFTWARE=yes ./test_glXCreateWindow
*
* Result:
* The case should have no any output suppose the API works well.
* Right now the mesa will report:
* failed to create drawable
*/
#include<stdio.h>
#include<stdlib.h>
#include<X11/X.h>
#include<X11/Xlib.h>
#include<GL/gl.h>
#include<GL/glx.h>
static const int attributes[] = {
GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_DOUBLEBUFFER, GL_TRUE,
None
};
int main(void)
{
GLXFBConfig config = NULL;
GLXFBConfig *configs = NULL;
Window dummy_xwin;
XVisualInfo *xvisinfo;
int major;
int minor;
int n_configs, i;
GLXDrawable dummy_drawable;
GLXWindow dummy_glxwin;
Display *xdisplay = XOpenDisplay(NULL);
int xscreen_num = DefaultScreen (xdisplay);
Window root_xwin = DefaultRootWindow (xdisplay);
configs = glXChooseFBConfig (xdisplay,
xscreen_num,
attributes,
&n_configs);
if (configs)
{
config = configs[0];
XFree (configs);
}
else
{
fprintf (stderr, "Unable to find config!\n");
return;
}
xvisinfo = glXGetVisualFromFBConfig (xdisplay, config);
if (xvisinfo == None)
{
fprintf (stderr, "Unable to retrieve the X11 visual!\n");
return;
}
dummy_xwin = XCreateWindow (xdisplay, root_xwin,
100, 100, 200, 200,
0,
xvisinfo->depth,
CopyFromParent,
xvisinfo->visual,
None,
None);
if (glXQueryVersion (xdisplay, &major, &minor) &&
major == 1 && minor >= 3)
{
dummy_glxwin = glXCreateWindow (xdisplay,
config,
dummy_xwin,
NULL);
}
else
{
fprintf (stderr, "The test cannot be performed in current GLX version : %d.%d\n", major, minor);
}
return;
}
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