/**
* gdk_gl_window_get_window:
* @glwindow: a #GdkGLWindow.
*
* Returns the #GdkWindow associated with @glwindow.
*
* Return value: the #GdkWindow associated with @glwindow.
**/
GdkWindow *
gdk_gl_window_get_window (GdkGLWindow *glwindow)
{
g_return_val_if_fail (GDK_IS_GL_WINDOW (glwindow), NULL);
return glwindow->window;
}
GdkGLConfig*
gdk_gl_window_get_gl_config (GdkGLDrawable *gldrawable)
{
g_return_val_if_fail (GDK_IS_GL_WINDOW (gldrawable), NULL);
return GDK_GL_WINDOW (gldrawable)->glconfig;
}
/*< private >*/
void
_gdk_gl_window_get_size (GdkGLDrawable *gldrawable, gint *width, gint *height)
{
g_return_if_fail (GDK_IS_GL_WINDOW (gldrawable));
GdkDrawable *real_drawable = ((GdkGLWindow *) gldrawable)->drawable;
GDK_DRAWABLE_GET_CLASS (real_drawable)->get_size (real_drawable, width, height);
}
static GdkGLConfig *
_gdk_gl_window_get_gl_config (GdkGLDrawable *gldrawable)
{
GdkGLWindow *glwindow;
g_return_val_if_fail(GDK_IS_GL_WINDOW(gldrawable), NULL);
glwindow = GDK_GL_WINDOW (gldrawable);
return GDK_GL_WINDOW_IMPL_GET_CLASS (glwindow->impl)->get_gl_config (glwindow);
}
static void
_gdk_gl_window_wait_gdk (GdkGLDrawable *gldrawable)
{
GdkGLWindow *glwindow;
g_return_if_fail(GDK_IS_GL_WINDOW(gldrawable));
glwindow = GDK_GL_WINDOW (gldrawable);
GDK_GL_WINDOW_IMPL_GET_CLASS (glwindow->impl)->wait_gdk (glwindow);
}
static gboolean
_gdk_gl_window_is_double_buffered (GdkGLDrawable *gldrawable)
{
GdkGLWindow *glwindow;
g_return_val_if_fail(GDK_IS_GL_WINDOW(gldrawable), FALSE);
glwindow = GDK_GL_WINDOW (gldrawable);
return GDK_GL_WINDOW_IMPL_GET_CLASS (glwindow->impl)->is_double_buffered (glwindow);
}
void
gdk_gl_window_swap_buffers (GdkGLDrawable *gldrawable)
{
g_return_if_fail (GDK_IS_GL_WINDOW(gldrawable));
Display *xdisplay = GDK_GL_CONFIG_XDISPLAY (GDK_GL_WINDOW (gldrawable)->glconfig);
Window glxwindow = GDK_GL_WINDOW (gldrawable)->glxwindow;
if (glxwindow == None)
return;
GDK_GL_NOTE_FUNC_IMPL ("glXSwapBuffers");
glXSwapBuffers (xdisplay, glxwindow);
}
static GdkGLContext *
_gdk_gl_window_create_gl_context (GdkGLDrawable *gldrawable,
GdkGLContext *share_list,
gboolean direct,
int render_type)
{
GdkGLWindow *glwindow;
g_return_val_if_fail(GDK_IS_GL_WINDOW(gldrawable), NULL);
glwindow = GDK_GL_WINDOW (gldrawable);
return GDK_GL_WINDOW_IMPL_GET_CLASS (glwindow->impl)->create_gl_context (glwindow,
share_list,
direct,
render_type);
}
gboolean
gdk_gl_window_make_context_current (GdkGLDrawable *draw, GdkGLContext *glcontext)
{
GdkGLDrawable *read = draw;
GdkGLConfig *glconfig;
Window glxwindow;
GLXContext glxcontext;
g_return_val_if_fail (GDK_IS_GL_WINDOW (draw), FALSE);
g_return_val_if_fail (GDK_IS_GL_CONTEXT_IMPL_X11 (glcontext), FALSE);
glconfig = GDK_GL_WINDOW (draw)->glconfig;
glxwindow = GDK_GL_WINDOW (draw)->glxwindow;
glxcontext = GDK_GL_CONTEXT_GLXCONTEXT (glcontext);
if (glxwindow == None || glxcontext == NULL)
return FALSE;
GDK_GL_NOTE (MISC, g_message (" -- Window: screen number = %d", GDK_SCREEN_XNUMBER (gdk_drawable_get_screen (GDK_DRAWABLE (draw)))));
GDK_GL_NOTE (MISC, g_message (" -- Window: visual id = 0x%lx", GDK_VISUAL_XVISUAL (gdk_drawable_get_visual (GDK_DRAWABLE (draw)))->visualid));
GDK_GL_NOTE_FUNC_IMPL ("glXMakeCurrent");
if (!glXMakeCurrent (GDK_GL_CONFIG_XDISPLAY (glconfig), glxwindow, glxcontext))
{
g_warning ("glXMakeCurrent() failed");
_gdk_gl_context_set_gl_drawable (glcontext, NULL);
return FALSE;
}
_gdk_gl_context_set_gl_drawable (glcontext, draw);
if (_GDK_GL_CONFIG_AS_SINGLE_MODE (glconfig))
{
/* We do this because we are treating a double-buffered frame
buffer as a single-buffered frame buffer because the system
does not appear to export any suitable single-buffered
visuals (in which the following are necessary). */
glDrawBuffer (GL_FRONT);
glReadBuffer (GL_FRONT);
}
GDK_GL_NOTE (MISC, _gdk_gl_print_gl_info ());
return TRUE;
}
