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present: Set window pixmap to flipped pixmap 

This makes other drawing to the window appear on the screen.

Note that no child windows can be affected because only full-screen
windows are eligible for flipping, and so we only need to set pixmap
for the window itself.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Keith Packard 2013-11-25 23:06:08 -08:00
parent 04e138846e
commit cde86e68fc
1 changed files with 20 additions and 4 deletions
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24
present/present.c
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@ -115,7 +115,8 @@ present_check_flip(RRCrtcPtr crtc,
}
/* Make sure the window hasn't been redirected with Composite */
if (screen->GetWindowPixmap(window) != screen->GetScreenPixmap(screen))
if (screen->GetWindowPixmap(window) != screen->GetScreenPixmap(screen) &&
screen->GetWindowPixmap(window) != screen_priv->flip_pixmap)
return FALSE;
/* Check for full-screen window */
@ -319,6 +320,10 @@ present_unflip(ScreenPtr screen)
assert (!screen_priv->unflip_event_id);
assert (!screen_priv->flip_pending);
if (screen_priv->flip_window)
(*screen->SetWindowPixmap)(screen_priv->flip_window,
(*screen->GetScreenPixmap)(screen));
/* Update the screen pixmap with the current flip pixmap contents
*/
if (screen_priv->flip_pixmap && screen_priv->flip_window) {
@ -486,7 +491,8 @@ static void
present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
{
WindowPtr window = vblank->window;
present_screen_priv_ptr screen_priv = present_screen_priv(window->drawable.pScreen);
ScreenPtr screen = window->drawable.pScreen;
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
if (vblank->wait_fence) {
if (!present_fence_check_triggered(vblank->wait_fence)) {
@ -511,8 +517,18 @@ present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
xorg_list_add(&vblank->event_queue, &present_flip_queue);
/* Try to flip
*/
if (present_flip(vblank->crtc, vblank->event_id, vblank->target_msc, vblank->pixmap, vblank->sync_flip))
if (present_flip(vblank->crtc, vblank->event_id, vblank->target_msc, vblank->pixmap, vblank->sync_flip)) {
/* Fix window pixmaps:
* 1) Restore previous flip window pixmap
* 2) Set current flip window pixmap to the new pixmap
*/
if (screen_priv->flip_window && screen_priv->flip_window != window)
(*screen->SetWindowPixmap)(screen_priv->flip_window,
(*screen->GetScreenPixmap)(screen));
(*screen->SetWindowPixmap)(vblank->window, vblank->pixmap);
return;
}
xorg_list_del(&vblank->event_queue);
/* Oops, flip failed. Clear the flip_pending field
@ -532,7 +548,7 @@ present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
/* Check current flip
*/
if (window == screen_priv->flip_window)
present_unflip(window->drawable.pScreen);
present_unflip(screen);
}
present_copy_region(&window->drawable, vblank->pixmap, vblank->update, vblank->x_off, vblank->y_off);