269 lines
7.7 KiB
C
269 lines
7.7 KiB
C
/*
|
|
* Copyright © 2013 Keith Packard
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
|
* the above copyright notice appear in all copies and that both that copyright
|
|
* notice and this permission notice appear in supporting documentation, and
|
|
* that the name of the copyright holders not be used in advertising or
|
|
* publicity pertaining to distribution of the software without specific,
|
|
* written prior permission. The copyright holders make no representations
|
|
* about the suitability of this software for any purpose. It is provided "as
|
|
* is" without express or implied warranty.
|
|
*
|
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
|
* OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "present_priv.h"
|
|
|
|
int present_request;
|
|
DevPrivateKeyRec present_screen_private_key;
|
|
DevPrivateKeyRec present_window_private_key;
|
|
|
|
/*
|
|
* Get a pointer to a present window private, creating if necessary
|
|
*/
|
|
present_window_priv_ptr
|
|
present_get_window_priv(WindowPtr window, Bool create)
|
|
{
|
|
present_window_priv_ptr window_priv = present_window_priv(window);
|
|
|
|
if (!create || window_priv != NULL)
|
|
return window_priv;
|
|
window_priv = calloc (1, sizeof (present_window_priv_rec));
|
|
if (!window_priv)
|
|
return NULL;
|
|
xorg_list_init(&window_priv->vblank);
|
|
xorg_list_init(&window_priv->notifies);
|
|
|
|
window_priv->window = window;
|
|
window_priv->crtc = PresentCrtcNeverSet;
|
|
dixSetPrivate(&window->devPrivates, &present_window_private_key, window_priv);
|
|
return window_priv;
|
|
}
|
|
|
|
/*
|
|
* Hook the close screen function to clean up our screen private
|
|
*/
|
|
static Bool
|
|
present_close_screen(ScreenPtr screen)
|
|
{
|
|
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
|
|
|
|
if (screen_priv->flip_destroy)
|
|
screen_priv->flip_destroy(screen);
|
|
|
|
unwrap(screen_priv, screen, CloseScreen);
|
|
(*screen->CloseScreen) (screen);
|
|
free(screen_priv);
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Free any queued presentations for this window
|
|
*/
|
|
static void
|
|
present_free_window_vblank(WindowPtr window)
|
|
{
|
|
ScreenPtr screen = window->drawable.pScreen;
|
|
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
|
|
present_window_priv_ptr window_priv = present_window_priv(window);
|
|
present_vblank_ptr vblank, tmp;
|
|
|
|
xorg_list_for_each_entry_safe(vblank, tmp, &window_priv->vblank, window_list) {
|
|
screen_priv->abort_vblank(window->drawable.pScreen, window, vblank->crtc, vblank->event_id, vblank->target_msc);
|
|
present_vblank_destroy(vblank);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Hook the close window function to clean up our window private
|
|
*/
|
|
static void
|
|
present_destroy_window(ScreenPtr pScreen, WindowPtr window, void *closure)
|
|
{
|
|
ScreenPtr screen = window->drawable.pScreen;
|
|
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
|
|
present_window_priv_ptr window_priv = present_window_priv(window);
|
|
|
|
present_send_config_notify(window,
|
|
window->drawable.x,
|
|
window->drawable.y,
|
|
window->drawable.width,
|
|
window->drawable.height,
|
|
window->borderWidth,
|
|
window->nextSib,
|
|
PresentWindowDestroyed);
|
|
|
|
if (window_priv) {
|
|
present_clear_window_notifies(window);
|
|
present_free_events(window);
|
|
present_free_window_vblank(window);
|
|
|
|
screen_priv->clear_window_flip(window);
|
|
|
|
free(window_priv);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Hook the config notify screen function to deliver present config notify events
|
|
*/
|
|
static int
|
|
present_config_notify(WindowPtr window,
|
|
int x, int y, int w, int h, int bw,
|
|
WindowPtr sibling)
|
|
{
|
|
int ret;
|
|
ScreenPtr screen = window->drawable.pScreen;
|
|
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
|
|
|
|
present_send_config_notify(window, x, y, w, h, bw, sibling, 0);
|
|
|
|
unwrap(screen_priv, screen, ConfigNotify);
|
|
if (screen->ConfigNotify)
|
|
ret = screen->ConfigNotify (window, x, y, w, h, bw, sibling);
|
|
else
|
|
ret = 0;
|
|
wrap(screen_priv, screen, ConfigNotify, present_config_notify);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Hook the clip notify screen function to un-flip as necessary
|
|
*/
|
|
|
|
static void
|
|
present_clip_notify(WindowPtr window, int dx, int dy)
|
|
{
|
|
ScreenPtr screen = window->drawable.pScreen;
|
|
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
|
|
|
|
screen_priv->check_flip_window(window);
|
|
unwrap(screen_priv, screen, ClipNotify)
|
|
if (screen->ClipNotify)
|
|
screen->ClipNotify (window, dx, dy);
|
|
wrap(screen_priv, screen, ClipNotify, present_clip_notify);
|
|
}
|
|
|
|
Bool
|
|
present_screen_register_priv_keys(void)
|
|
{
|
|
if (!dixRegisterPrivateKey(&present_screen_private_key, PRIVATE_SCREEN, 0))
|
|
return FALSE;
|
|
|
|
if (!dixRegisterPrivateKey(&present_window_private_key, PRIVATE_WINDOW, 0))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
present_screen_priv_ptr
|
|
present_screen_priv_init(ScreenPtr screen)
|
|
{
|
|
present_screen_priv_ptr screen_priv;
|
|
|
|
screen_priv = calloc(1, sizeof (present_screen_priv_rec));
|
|
if (!screen_priv)
|
|
return NULL;
|
|
|
|
wrap(screen_priv, screen, CloseScreen, present_close_screen);
|
|
|
|
dixScreenHookWindowDestroy(screen, present_destroy_window, NULL);
|
|
|
|
wrap(screen_priv, screen, ConfigNotify, present_config_notify);
|
|
wrap(screen_priv, screen, ClipNotify, present_clip_notify);
|
|
|
|
dixSetPrivate(&screen->devPrivates, &present_screen_private_key, screen_priv);
|
|
screen_priv->pScreen = screen;
|
|
|
|
return screen_priv;
|
|
}
|
|
|
|
static int
|
|
check_flip_visit(WindowPtr window, void *data)
|
|
{
|
|
ScreenPtr screen = window->drawable.pScreen;
|
|
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
|
|
|
|
if (!screen_priv)
|
|
return WT_DONTWALKCHILDREN;
|
|
|
|
screen_priv->check_flip_window(window);
|
|
|
|
return WT_WALKCHILDREN;
|
|
}
|
|
|
|
void
|
|
present_check_flips(WindowPtr window)
|
|
{
|
|
TraverseTree(window, check_flip_visit, NULL);
|
|
}
|
|
|
|
/*
|
|
* Initialize a screen for use with present in default screen flip mode (scmd)
|
|
*/
|
|
int
|
|
present_screen_init(ScreenPtr screen, present_screen_info_ptr info)
|
|
{
|
|
if (!present_screen_register_priv_keys())
|
|
return FALSE;
|
|
|
|
if (!present_screen_priv(screen)) {
|
|
present_screen_priv_ptr screen_priv = present_screen_priv_init(screen);
|
|
if (!screen_priv)
|
|
return FALSE;
|
|
|
|
screen_priv->info = info;
|
|
present_scmd_init_mode_hooks(screen_priv);
|
|
|
|
present_fake_screen_init(screen);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Initialize the present extension
|
|
*/
|
|
void
|
|
present_extension_init(void)
|
|
{
|
|
ExtensionEntry *extension;
|
|
int i;
|
|
|
|
#ifdef PANORAMIX
|
|
if (!noPanoramiXExtension)
|
|
return;
|
|
#endif
|
|
|
|
extension = AddExtension(PRESENT_NAME, PresentNumberEvents, PresentNumberErrors,
|
|
proc_present_dispatch, sproc_present_dispatch,
|
|
NULL, StandardMinorOpcode);
|
|
if (!extension)
|
|
goto bail;
|
|
|
|
present_request = extension->base;
|
|
|
|
if (!present_init())
|
|
goto bail;
|
|
|
|
if (!present_event_init())
|
|
goto bail;
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
if (!present_screen_init(screenInfo.screens[i], NULL))
|
|
goto bail;
|
|
}
|
|
return;
|
|
|
|
bail:
|
|
FatalError("Cannot initialize Present extension");
|
|
}
|