static gboolean
gst_vaapi_window_glx_ensure_context (GstVaapiWindow * window,
GLXContext foreign_context)
{
GstVaapiWindowGLXPrivate *const priv =
GST_VAAPI_WINDOW_GLX_GET_PRIVATE (window);
GLContextState old_cs;
guint width, height;
if (!_gst_vaapi_window_glx_ensure_context (window, foreign_context))
return FALSE;
priv->gl_context->window = GST_VAAPI_WINDOW_ID (window);
if (!gl_set_current_context (priv->gl_context, &old_cs)) {
GST_DEBUG ("could not make newly created GLX context current");
return FALSE;
}
glDisable (GL_DEPTH_TEST);
glDepthMask (GL_FALSE);
glDisable (GL_CULL_FACE);
glDrawBuffer (GL_BACK);
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glEnable (GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
gst_vaapi_window_get_size (window, &width, &height);
gl_resize (width, height);
gl_set_bgcolor (0);
glClear (GL_COLOR_BUFFER_BIT);
gl_set_current_context (&old_cs, NULL);
return TRUE;
}
static gboolean
gst_vaapi_window_glx_resize (GstVaapiWindow * window, guint width, guint height)
{
GstVaapiWindowGLXPrivate *const priv =
GST_VAAPI_WINDOW_GLX_GET_PRIVATE (window);
const GstVaapiWindowClass *const parent_klass =
GST_VAAPI_WINDOW_CLASS (gst_vaapi_window_glx_parent_class);
Display *const dpy = GST_VAAPI_WINDOW_NATIVE_DISPLAY (window);
GLContextState old_cs;
if (!parent_klass->resize (window, width, height))
return FALSE;
GST_VAAPI_WINDOW_LOCK_DISPLAY (window);
XSync (dpy, False); /* make sure resize completed */
if (gl_set_current_context (priv->gl_context, &old_cs)) {
gl_resize (width, height);
gl_set_current_context (&old_cs, NULL);
}
GST_VAAPI_WINDOW_UNLOCK_DISPLAY (window);
return TRUE;
}
int main( void )
{
int fullscreen;
XEvent event;
if( gl_data() )
{
fprintf( stderr, "gl_data failed\n" );
return( 1 );
}
fullscreen = 0;
do
{
modeswitch = 0;
fullscreen ^= 1;
if( glx_init( fullscreen ) )
{
fprintf( stderr, "glx_init failed\n" );
return( 1 );
}
if( gl_init() )
{
fprintf( stderr, "gl_init failed\n" );
return( 1 );
}
gl_resize();
run = 1;
while( run )
{
if( active )
{
gl_draw();
glXSwapBuffers( dpy, win );
}
else
{
XPeekEvent( dpy, &event );
}
while( XPending( dpy ) )
{
XNextEvent( dpy, &event );
switch( event.type )
{
case ButtonPress:
{
int x = event.xmotion.x,
y = event.xmotion.y;
switch( event.xbutton.button )
{
case Button1:
gl_event( 0, 0, x, y );
break;
case Button3:
gl_event( 0, 1, x, y );
break;
}
break;
}
case ButtonRelease:
{
int x = event.xmotion.x,
y = event.xmotion.y;
switch( event.xbutton.button )
{
case Button1:
gl_event( 1, 0, x, y );
break;
case Button3:
gl_event( 1, 1, x, y );
break;
}
break;
}
case MotionNotify:
{
int x = event.xmotion.x,
y = event.xmotion.y;
switch( event.xbutton.button )
{
case Button1:
gl_event( 2, 0, x, y );
break;
case Button3:
gl_event( 2, 1, x, y );
break;
default:
gl_event( 2, -1, x, y );
break;
}
break;
}
case KeyPress:
{
break;
}
case KeyRelease:
{
int key = XLookupKeysym( &event.xkey, 0 );
switch( key )
{
case XK_Tab:
modeswitch = 1;
case XK_Escape:
run = 0;
break;
default:
gl_event( 4, key, -1, -1 );
break;
}
break;
}
case UnmapNotify:
active = 0;
break;
case MapNotify:
active = 1;
break;
case ConfigureNotify:
{
width = event.xconfigure.width;
height = event.xconfigure.height;
gl_resize();
break;
}
case ClientMessage:
{
if( event.xclient.data.l[0] == (int) wmDelete )
{
active = run = 0;
}
break;
}
case ReparentNotify:
break;
default:
{
printf( "caught unknown event, type %d\n",
event.type );
break;
}
}
}
}
glXMakeCurrent( dpy, None, NULL );
glXDestroyContext( dpy, ctx );
XDestroyWindow( dpy, win );
XCloseDisplay( dpy );
}
while( modeswitch );
return( 0 );
}