1407 lines
		
	
	
		
			46 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			1407 lines
		
	
	
		
			46 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 2018 Roman Gilg
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software
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|  * and its documentation for any purpose is hereby granted without
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|  * fee, provided that the above copyright notice appear in all copies
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|  * and that both that copyright notice and this permission notice
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|  * appear in supporting documentation, and that the name of the
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|  * copyright holders not be used in advertising or publicity
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|  * pertaining to distribution of the software without specific,
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|  * written prior permission.  The copyright holders make no
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|  * representations about the suitability of this software for any
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|  * purpose.  It is provided "as is" without express or implied
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|  * warranty.
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|  *
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|  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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|  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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|  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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|  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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|  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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|  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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|  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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|  * SOFTWARE.
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|  */
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| 
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| #include <xwayland-config.h>
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| 
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| #include "os/bug_priv.h"
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| 
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| #include <compint.h>
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| #ifdef XWL_HAS_GLAMOR
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| #include <glamor.h>
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| #endif
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| #include <windowstr.h>
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| #include <present.h>
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| #ifdef DRI3
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| #include <sys/eventfd.h>
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| #endif /* DRI3 */
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| 
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| #include "xwayland-present.h"
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| #include "xwayland-screen.h"
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| #include "xwayland-shm.h"
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| #include "xwayland-window.h"
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| #include "xwayland-window-buffers.h"
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| #include "xwayland-pixmap.h"
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| 
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| #include "tearing-control-v1-client-protocol.h"
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| #include "linux-drm-syncobj-v1-client-protocol.h"
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| 
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| #define XWL_PRESENT_CAPS PresentCapabilityAsync | PresentCapabilityAsyncMayTear
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| 
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| 
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| /*
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|  * When not flipping let Present copy with 60fps.
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|  * When flipping wait on frame_callback, otherwise
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|  * the surface is not visible, in this case update
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|  * with long interval.
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|  */
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| #define TIMER_LEN_COPY      17  // ~60fps
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| #define TIMER_LEN_FLIP    1000  // 1fps
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| 
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| static DevPrivateKeyRec xwl_present_window_private_key;
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| 
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| static struct xwl_present_window *
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| xwl_present_window_priv(WindowPtr window)
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| {
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|     return dixGetPrivate(&window->devPrivates,
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|                          &xwl_present_window_private_key);
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| }
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| 
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| static struct xwl_present_window *
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| xwl_present_window_get_priv(WindowPtr window)
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| {
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|     struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window);
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| 
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|     if (xwl_present_window == NULL) {
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|         xwl_present_window = calloc (1, sizeof (struct xwl_present_window));
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|         if (!xwl_present_window)
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|             return NULL;
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| 
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|         xwl_present_window->window = window;
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|         xwl_present_window->msc = 1;
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|         xwl_present_window->ust = GetTimeInMicros();
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| 
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|         xorg_list_init(&xwl_present_window->frame_callback_list);
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|         xorg_list_init(&xwl_present_window->wait_list);
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|         xorg_list_init(&xwl_present_window->flip_queue);
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|         xorg_list_init(&xwl_present_window->idle_queue);
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|         xorg_list_init(&xwl_present_window->blocked_queue);
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| 
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|         dixSetPrivate(&window->devPrivates,
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|                       &xwl_present_window_private_key,
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|                       xwl_present_window);
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|     }
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| 
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|     return xwl_present_window;
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| }
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| 
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| static struct xwl_present_event *
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| xwl_present_event_from_id(WindowPtr present_window, uint64_t event_id)
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| {
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|     present_window_priv_ptr window_priv = present_get_window_priv(present_window, TRUE);
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|     struct xwl_present_event *event;
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| 
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|     xorg_list_for_each_entry(event, &window_priv->vblank, vblank.window_list) {
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|         if (event->vblank.event_id == event_id)
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|             return event;
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|     }
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|     return NULL;
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| }
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| 
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| static struct xwl_present_event *
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| xwl_present_event_from_vblank(present_vblank_ptr vblank)
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| {
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|     return container_of(vblank, struct xwl_present_event, vblank);
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| }
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| 
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| static Bool entered_for_each_frame_callback;
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| 
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| Bool
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| xwl_present_entered_for_each_frame_callback(void)
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| {
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|     return entered_for_each_frame_callback;
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| }
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| 
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| void
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| xwl_present_for_each_frame_callback(struct xwl_window *xwl_window,
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|                                     void iter_func(struct xwl_present_window *))
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| {
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|     struct xwl_present_window *xwl_present_window, *tmp;
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| 
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|     if (entered_for_each_frame_callback)
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|         FatalError("Nested xwl_present_for_each_frame_callback call");
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| 
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|     entered_for_each_frame_callback = TRUE;
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| 
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|     xorg_list_for_each_entry_safe(xwl_present_window, tmp,
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|                                   &xwl_window->frame_callback_list,
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|                                   frame_callback_list)
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|         iter_func(xwl_present_window);
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| 
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|     entered_for_each_frame_callback = FALSE;
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| }
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| 
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| static void
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| xwl_present_free_timer(struct xwl_present_window *xwl_present_window)
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| {
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|     TimerFree(xwl_present_window->frame_timer);
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|     xwl_present_window->frame_timer = NULL;
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|     xwl_present_window->timer_armed = 0;
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| }
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| 
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| static CARD32
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| xwl_present_timer_callback(OsTimerPtr timer,
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|                            CARD32 time,
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|                            void *arg);
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| 
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| static present_vblank_ptr
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| xwl_present_get_pending_flip(struct xwl_present_window *xwl_present_window)
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| {
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|     present_vblank_ptr flip_pending;
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| 
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|     if (xorg_list_is_empty(&xwl_present_window->flip_queue))
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|         return NULL;
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| 
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|     flip_pending = xorg_list_first_entry(&xwl_present_window->flip_queue, present_vblank_rec,
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|                                          event_queue);
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| 
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|     if (flip_pending->queued)
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|         return NULL;
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| 
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|     return flip_pending;
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| }
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| 
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| static inline Bool
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| xwl_present_has_pending_events(struct xwl_present_window *xwl_present_window)
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| {
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|     present_vblank_ptr flip_pending = xwl_present_get_pending_flip(xwl_present_window);
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| 
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|     return (flip_pending && flip_pending->sync_flip) ||
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|            !xorg_list_is_empty(&xwl_present_window->wait_list) ||
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|            !xorg_list_is_empty(&xwl_present_window->blocked_queue);
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| }
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| 
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| void
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| xwl_present_reset_timer(struct xwl_present_window *xwl_present_window)
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| {
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|     if (xwl_present_has_pending_events(xwl_present_window)) {
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|         struct xwl_window *xwl_window = xwl_window_from_window(xwl_present_window->window);
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|         CARD32 now = GetTimeInMillis();
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|         CARD32 timeout;
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| 
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|         if (xwl_window && xwl_window->frame_callback &&
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|             !xorg_list_is_empty(&xwl_present_window->frame_callback_list))
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|             timeout = TIMER_LEN_FLIP;
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|         else
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|             timeout = TIMER_LEN_COPY;
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| 
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|         /* Make sure the timer callback runs if at least a second has passed
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|          * since we first armed the timer. This can happen e.g. if the Wayland
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|          * compositor doesn't send a pending frame event, e.g. because the
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|          * Wayland surface isn't visible anywhere.
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|          */
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|         if (xwl_present_window->timer_armed) {
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|             if ((int)(now - xwl_present_window->timer_armed) > 1000) {
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|                 xwl_present_timer_callback(xwl_present_window->frame_timer, now,
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|                                            xwl_present_window);
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|                 return;
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|             }
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|         } else {
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|             xwl_present_window->timer_armed = now;
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|         }
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| 
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|         xwl_present_window->frame_timer = TimerSet(xwl_present_window->frame_timer,
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|                                                    0, timeout,
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|                                                    &xwl_present_timer_callback,
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|                                                    xwl_present_window);
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|     } else {
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|         xwl_present_free_timer(xwl_present_window);
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|     }
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| }
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| 
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| 
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| static void
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| xwl_present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc);
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| 
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| static int
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| xwl_present_queue_vblank(ScreenPtr screen,
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|                          WindowPtr present_window,
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|                          RRCrtcPtr crtc,
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|                          uint64_t event_id,
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|                          uint64_t msc);
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| 
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| static uint32_t
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| xwl_present_query_capabilities(present_screen_priv_ptr screen_priv)
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| {
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|     struct xwl_screen *xwl_screen = xwl_screen_get(screen_priv->pScreen);
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|     return xwl_screen->present_capabilities;
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| }
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| 
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| static int
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| xwl_present_get_ust_msc(ScreenPtr screen,
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|                         WindowPtr present_window,
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|                         uint64_t *ust,
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|                         uint64_t *msc)
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| {
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|     struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(present_window);
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|     if (!xwl_present_window)
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|         return BadAlloc;
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| 
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|     *ust = xwl_present_window->ust;
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|     *msc = xwl_present_window->msc;
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| 
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|     return Success;
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| }
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| 
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| static uint64_t
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| xwl_present_get_exec_msc(uint32_t options, uint64_t target_msc)
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| {
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|     /* Synchronous Xwayland presentations always complete (at least) one frame after they
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|      * are executed
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|      */
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|     if (options & PresentOptionAsyncMayTear)
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|         return target_msc;
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| 
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|     return target_msc - 1;
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| }
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| 
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| /*
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|  * When the wait fence or previous flip is completed, it's time
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|  * to re-try the request
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|  */
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| static void
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| xwl_present_re_execute(present_vblank_ptr vblank)
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| {
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|     struct xwl_present_event *event = xwl_present_event_from_vblank(vblank);
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|     uint64_t ust = 0, crtc_msc = 0;
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| 
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|     (void) xwl_present_get_ust_msc(vblank->screen, vblank->window, &ust, &crtc_msc);
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|     /* re-compute target / exec msc */
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|     vblank->target_msc = present_get_target_msc(0, crtc_msc,
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|                                                 event->divisor,
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|                                                 event->remainder,
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|                                                 event->options);
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|     vblank->exec_msc = xwl_present_get_exec_msc(event->options,
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|                                                 vblank->target_msc);
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| 
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|     vblank->queued = TRUE;
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|     if (msc_is_after(vblank->exec_msc, crtc_msc) &&
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|         xwl_present_queue_vblank(vblank->screen, vblank->window,
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|                                  vblank->crtc,
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|                                  vblank->event_id,
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|                                  vblank->exec_msc) == Success) {
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|         return;
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|     }
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| 
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|     xwl_present_execute(vblank, ust, crtc_msc);
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| }
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| 
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| static void
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| xwl_present_flip_try_ready(struct xwl_present_window *xwl_present_window)
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| {
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|     present_vblank_ptr vblank;
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| 
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|     xorg_list_for_each_entry(vblank, &xwl_present_window->flip_queue, event_queue) {
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|         if (vblank->queued) {
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|             xwl_present_re_execute(vblank);
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|             return;
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|         }
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|     }
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| }
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| 
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| static void
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| xwl_present_release_pixmap(struct xwl_present_event *event)
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| {
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|     if (!event->pixmap)
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|         return;
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| 
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|     xwl_pixmap_del_buffer_release_cb(event->pixmap);
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|     dixDestroyPixmap(event->pixmap, event->pixmap->drawable.id);
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|     event->pixmap = NULL;
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| }
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| 
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| static void
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| xwl_present_free_event(struct xwl_present_event *event)
 | |
| {
 | |
|     xwl_present_release_pixmap(event);
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|     xorg_list_del(&event->vblank.event_queue);
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|     present_vblank_destroy(&event->vblank);
 | |
| }
 | |
| 
 | |
| static void
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| xwl_present_free_idle_vblank(present_vblank_ptr vblank)
 | |
| {
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| #if defined(XWL_HAS_GLAMOR) && defined(DRI3)
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|     if (vblank->release_syncobj) {
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|         /* transfer implicit fence to release syncobj */
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|         int fence_fd = xwl_glamor_dmabuf_export_sync_file(vblank->pixmap);
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|         vblank->release_syncobj->import_fence(vblank->release_syncobj,
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|                                               vblank->release_point,
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|                                               fence_fd);
 | |
|     } else
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| #endif /* defined(XWL_HAS_GLAMOR) && defined(DRI3) */
 | |
|         present_pixmap_idle(vblank->pixmap, vblank->window,
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|                             vblank->serial, vblank->idle_fence);
 | |
|     xwl_present_free_event(xwl_present_event_from_vblank(vblank));
 | |
| }
 | |
| 
 | |
| static WindowPtr
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| xwl_present_toplvl_pixmap_window(WindowPtr window)
 | |
| {
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|     ScreenPtr       screen = window->drawable.pScreen;
 | |
|     PixmapPtr       pixmap = (*screen->GetWindowPixmap)(window);
 | |
|     WindowPtr       w = window;
 | |
|     WindowPtr       next_w;
 | |
| 
 | |
|     while(w->parent) {
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|         next_w = w->parent;
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|         if ( (*screen->GetWindowPixmap)(next_w) != pixmap) {
 | |
|             break;
 | |
|         }
 | |
|         w = next_w;
 | |
|     }
 | |
|     return w;
 | |
| }
 | |
| 
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| static void
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| xwl_present_flips_stop(WindowPtr window)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window);
 | |
|     present_vblank_ptr vblank, tmp;
 | |
| 
 | |
|     /* Change back to the fast refresh rate */
 | |
|     xwl_present_reset_timer(xwl_present_window);
 | |
| 
 | |
|     /* Free any left over idle vblanks */
 | |
|     xorg_list_for_each_entry_safe(vblank, tmp, &xwl_present_window->idle_queue, event_queue)
 | |
|         xwl_present_free_idle_vblank(vblank);
 | |
| 
 | |
|     if (xwl_present_window->flip_active) {
 | |
|         struct xwl_present_event *event;
 | |
| 
 | |
|         vblank = xwl_present_window->flip_active;
 | |
|         event = xwl_present_event_from_vblank(vblank);
 | |
|         if (event->pixmap)
 | |
|             xwl_present_free_idle_vblank(vblank);
 | |
|         else
 | |
|             xwl_present_free_event(event);
 | |
| 
 | |
|         xwl_present_window->flip_active = NULL;
 | |
|     }
 | |
| 
 | |
|     xwl_present_flip_try_ready(xwl_present_window);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xwl_present_flip_notify_vblank(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
 | |
| {
 | |
|     WindowPtr                   window = vblank->window;
 | |
| #ifdef DRI3
 | |
|     struct xwl_screen *xwl_screen = xwl_screen_get(window->drawable.pScreen);
 | |
| #endif /* DRI3 */
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window);
 | |
|     uint8_t mode = PresentCompleteModeFlip;
 | |
| 
 | |
|     DebugPresent(("\tn %" PRIu64 " %p %" PRIu64 " %" PRIu64 ": %08" PRIx32 " -> %08" PRIx32 "\n",
 | |
|                   vblank->event_id, vblank, vblank->exec_msc, vblank->target_msc,
 | |
|                   vblank->pixmap ? vblank->pixmap->drawable.id : 0,
 | |
|                   vblank->window ? vblank->window->drawable.id : 0));
 | |
| 
 | |
|     assert (&vblank->event_queue == xwl_present_window->flip_queue.next);
 | |
| 
 | |
|     xorg_list_del(&vblank->event_queue);
 | |
| 
 | |
|     if (xwl_present_window->flip_active) {
 | |
|         struct xwl_present_event *event =
 | |
|             xwl_present_event_from_vblank(xwl_present_window->flip_active);
 | |
| 
 | |
|         if (!event->pixmap
 | |
| #ifdef DRI3
 | |
|             /* If this flip used explicit sync, we won't get a release event */
 | |
|             || (xwl_screen->explicit_sync && vblank->release_syncobj)
 | |
| #endif /* DRI3 */
 | |
|             ) {
 | |
|             xwl_present_free_event(event);
 | |
|         } else
 | |
|             /* Put the previous flip in the idle_queue and wait for further notice from
 | |
|              * the Wayland compositor
 | |
|              */
 | |
|             xorg_list_append(&xwl_present_window->flip_active->event_queue, &xwl_present_window->idle_queue);
 | |
|     }
 | |
| 
 | |
|     xwl_present_window->flip_active = vblank;
 | |
| 
 | |
|     if (vblank->reason == PRESENT_FLIP_REASON_BUFFER_FORMAT)
 | |
|         mode = PresentCompleteModeSuboptimalCopy;
 | |
| 
 | |
|     present_vblank_notify(vblank, PresentCompleteKindPixmap, mode, ust, crtc_msc);
 | |
| 
 | |
|     if (vblank->abort_flip)
 | |
|         xwl_present_flips_stop(window);
 | |
| 
 | |
|     xwl_present_flip_try_ready(xwl_present_window);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xwl_present_update_window_crtc(present_window_priv_ptr window_priv, RRCrtcPtr crtc, uint64_t new_msc)
 | |
| {
 | |
|     /* Crtc unchanged, no offset. */
 | |
|     if (crtc == window_priv->crtc)
 | |
|         return;
 | |
| 
 | |
|     /* No crtc earlier to offset against, just set the crtc. */
 | |
|     if (window_priv->crtc == PresentCrtcNeverSet) {
 | |
|         window_priv->msc_offset = 0;
 | |
|         window_priv->crtc = crtc;
 | |
|         return;
 | |
|     }
 | |
| 
 | |
|     /* In window-mode the last correct msc-offset is always kept
 | |
|      * in window-priv struct because msc is saved per window and
 | |
|      * not per crtc as in screen-mode.
 | |
|      */
 | |
|     window_priv->msc_offset += new_msc - window_priv->msc;
 | |
|     window_priv->crtc = crtc;
 | |
| }
 | |
| 
 | |
| 
 | |
| void
 | |
| xwl_present_cleanup(WindowPtr window)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window);
 | |
|     present_window_priv_ptr window_priv = present_window_priv(window);
 | |
|     struct xwl_present_event *event, *tmp;
 | |
| 
 | |
|     if (!xwl_present_window)
 | |
|         return;
 | |
| 
 | |
|     xorg_list_del(&xwl_present_window->frame_callback_list);
 | |
| 
 | |
|     if (xwl_present_window->sync_callback) {
 | |
|         wl_callback_destroy(xwl_present_window->sync_callback);
 | |
|         xwl_present_window->sync_callback = NULL;
 | |
|     }
 | |
| 
 | |
|     if (window_priv) {
 | |
|         /* Clear remaining events */
 | |
|         xorg_list_for_each_entry_safe(event, tmp, &window_priv->vblank, vblank.window_list)
 | |
|             xwl_present_free_event(event);
 | |
|     }
 | |
| 
 | |
|     /* Clear timer */
 | |
|     xwl_present_free_timer(xwl_present_window);
 | |
|     TimerFree(xwl_present_window->unredirect_timer);
 | |
| 
 | |
|     /* Remove from privates so we don't try to access it later */
 | |
|     dixSetPrivate(&window->devPrivates,
 | |
|                   &xwl_present_window_private_key,
 | |
|                   NULL);
 | |
| 
 | |
|     free(xwl_present_window);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xwl_present_buffer_release(void *data)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window;
 | |
|     struct xwl_present_event *event = data;
 | |
|     present_vblank_ptr vblank;
 | |
| 
 | |
|     if (!event)
 | |
|         return;
 | |
| 
 | |
|     vblank = &event->vblank;
 | |
| 
 | |
| #if defined(XWL_HAS_GLAMOR) && defined(DRI3)
 | |
|     if (vblank->release_syncobj) {
 | |
|         /* transfer implicit fence to release syncobj */
 | |
|         int fence_fd = xwl_glamor_dmabuf_export_sync_file(vblank->pixmap);
 | |
|         vblank->release_syncobj->import_fence(vblank->release_syncobj,
 | |
|                                               vblank->release_point,
 | |
|                                               fence_fd);
 | |
|     } else
 | |
| #endif /* defined(XWL_HAS_GLAMOR) && defined(DRI3) */
 | |
|         present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence);
 | |
| 
 | |
|     xwl_present_window = xwl_present_window_priv(vblank->window);
 | |
|     if (xwl_present_window->flip_active == vblank ||
 | |
|         xwl_present_get_pending_flip(xwl_present_window) == vblank)
 | |
|         xwl_present_release_pixmap(event);
 | |
|     else
 | |
|         xwl_present_free_event(event);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xwl_present_msc_bump(struct xwl_present_window *xwl_present_window)
 | |
| {
 | |
|     present_vblank_ptr flip_pending = xwl_present_get_pending_flip(xwl_present_window);
 | |
|     uint64_t msc = ++xwl_present_window->msc;
 | |
|     present_vblank_ptr vblank, tmp;
 | |
| 
 | |
|     xwl_present_window->ust = GetTimeInMicros();
 | |
| 
 | |
|     xwl_present_window->timer_armed = 0;
 | |
| 
 | |
|     if (flip_pending && flip_pending->sync_flip)
 | |
|         xwl_present_flip_notify_vblank(flip_pending, xwl_present_window->ust, msc);
 | |
| 
 | |
|     xorg_list_for_each_entry_safe(vblank, tmp, &xwl_present_window->wait_list, event_queue) {
 | |
|         if (vblank->exec_msc <= msc) {
 | |
|             DebugPresent(("\te %" PRIu64 " ust %" PRIu64 " msc %" PRIu64 "\n",
 | |
|                           vblank->event_id, xwl_present_window->ust, msc));
 | |
| 
 | |
|             xwl_present_execute(vblank, xwl_present_window->ust, msc);
 | |
|         }
 | |
|     }
 | |
| }
 | |
| 
 | |
| static CARD32
 | |
| xwl_present_timer_callback(OsTimerPtr timer,
 | |
|                            CARD32 time,
 | |
|                            void *arg)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window = arg;
 | |
| 
 | |
|     /* If we were expecting a frame callback for this window, it didn't arrive
 | |
|      * in a second. Stop listening to it to avoid double-bumping the MSC
 | |
|      */
 | |
|     xorg_list_del(&xwl_present_window->frame_callback_list);
 | |
| 
 | |
|     xwl_present_msc_bump(xwl_present_window);
 | |
|     xwl_present_reset_timer(xwl_present_window);
 | |
| 
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| void
 | |
| xwl_present_frame_callback(struct xwl_present_window *xwl_present_window)
 | |
| {
 | |
|     xorg_list_del(&xwl_present_window->frame_callback_list);
 | |
| 
 | |
|     xwl_present_msc_bump(xwl_present_window);
 | |
| 
 | |
|     /* we do not need the timer anymore for this frame,
 | |
|      * reset it for potentially the next one
 | |
|      */
 | |
|     xwl_present_reset_timer(xwl_present_window);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xwl_present_sync_callback(void *data,
 | |
|                struct wl_callback *callback,
 | |
|                uint32_t time)
 | |
| {
 | |
|     present_vblank_ptr vblank = data;
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(vblank->window);
 | |
| 
 | |
|     wl_callback_destroy(xwl_present_window->sync_callback);
 | |
|     xwl_present_window->sync_callback = NULL;
 | |
| 
 | |
|     xwl_present_flip_notify_vblank(vblank, xwl_present_window->ust, xwl_present_window->msc);
 | |
| }
 | |
| 
 | |
| static const struct wl_callback_listener xwl_present_sync_listener = {
 | |
|     xwl_present_sync_callback
 | |
| };
 | |
| 
 | |
| static RRCrtcPtr
 | |
| xwl_present_get_crtc(present_screen_priv_ptr screen_priv,
 | |
|                      WindowPtr present_window)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(present_window);
 | |
|     rrScrPrivPtr rr_private;
 | |
| 
 | |
|     if (xwl_present_window == NULL)
 | |
|         return NULL;
 | |
| 
 | |
|     rr_private = rrGetScrPriv(present_window->drawable.pScreen);
 | |
| 
 | |
|     if (rr_private->numCrtcs == 0)
 | |
|         return NULL;
 | |
| 
 | |
|     return rr_private->crtcs[0];
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Queue an event to report back to the Present extension when the specified
 | |
|  * MSC has passed
 | |
|  */
 | |
| static int
 | |
| xwl_present_queue_vblank(ScreenPtr screen,
 | |
|                          WindowPtr present_window,
 | |
|                          RRCrtcPtr crtc,
 | |
|                          uint64_t event_id,
 | |
|                          uint64_t msc)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(present_window);
 | |
|     struct xwl_window *xwl_window = xwl_window_from_window(present_window);
 | |
|     struct xwl_present_event *event = xwl_present_event_from_id(present_window, event_id);
 | |
| 
 | |
|     if (!event) {
 | |
|         ErrorF("present: Error getting event\n");
 | |
|         return BadImplementation;
 | |
|     }
 | |
| 
 | |
|     BUG_RETURN_VAL(!xwl_present_window, BadImplementation);
 | |
| 
 | |
|     event->vblank.exec_msc = msc;
 | |
| 
 | |
|     xorg_list_del(&event->vblank.event_queue);
 | |
|     xorg_list_append(&event->vblank.event_queue, &xwl_present_window->wait_list);
 | |
| 
 | |
|     /* Hook up to frame callback */
 | |
|     if (xwl_window &&
 | |
|         xorg_list_is_empty(&xwl_present_window->frame_callback_list)) {
 | |
|         xorg_list_add(&xwl_present_window->frame_callback_list,
 | |
|                       &xwl_window->frame_callback_list);
 | |
|     }
 | |
| 
 | |
|     if ((xwl_window && xwl_window->frame_callback) ||
 | |
|         !xwl_present_window->frame_timer)
 | |
|         xwl_present_reset_timer(xwl_present_window);
 | |
| 
 | |
|     return Success;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Remove a pending vblank event so that it is not reported
 | |
|  * to the extension
 | |
|  */
 | |
| static void
 | |
| xwl_present_abort_vblank(ScreenPtr screen,
 | |
|                          WindowPtr present_window,
 | |
|                          RRCrtcPtr crtc,
 | |
|                          uint64_t event_id,
 | |
|                          uint64_t msc)
 | |
| {
 | |
|     static Bool called;
 | |
| 
 | |
|     if (called)
 | |
|         return;
 | |
| 
 | |
|     /* xwl_present_cleanup should have cleaned up everything,
 | |
|      * present_free_window_vblank shouldn't need to call this.
 | |
|      */
 | |
|     ErrorF("Unexpected call to %s:\n", __func__);
 | |
|     xorg_backtrace();
 | |
| }
 | |
| 
 | |
| static void
 | |
| xwl_present_flush(WindowPtr window)
 | |
| {
 | |
| #ifdef XWL_HAS_GLAMOR
 | |
|     ScreenPtr screen = window->drawable.pScreen;
 | |
|     struct xwl_screen *xwl_screen = xwl_screen_get(screen);
 | |
| 
 | |
|     if (xwl_screen->glamor)
 | |
|         glamor_block_handler(screen);
 | |
| #endif
 | |
| }
 | |
| 
 | |
| static void
 | |
| xwl_present_maybe_set_reason(struct xwl_window *xwl_window, PresentFlipReason *reason)
 | |
| {
 | |
|     struct xwl_screen *xwl_screen = xwl_window->xwl_screen;
 | |
| 
 | |
|     if (!reason || xwl_screen->dmabuf_protocol_version < 4)
 | |
|         return;
 | |
| 
 | |
|     if (xwl_window->feedback.unprocessed_feedback_pending) {
 | |
|         xwl_window->feedback.unprocessed_feedback_pending = 0;
 | |
| 
 | |
|         *reason = PRESENT_FLIP_REASON_BUFFER_FORMAT;
 | |
|     }
 | |
| 
 | |
|     if (xwl_screen->default_feedback.unprocessed_feedback_pending) {
 | |
|         xwl_screen->default_feedback.unprocessed_feedback_pending = 0;
 | |
| 
 | |
|         *reason = PRESENT_FLIP_REASON_BUFFER_FORMAT;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static int
 | |
| xwl_present_flush_fenced(WindowPtr window)
 | |
| {
 | |
|     int fence = -1;
 | |
| #ifdef XWL_HAS_GLAMOR
 | |
|     struct xwl_screen *xwl_screen = xwl_screen_get(window->drawable.pScreen);
 | |
|     fence = xwl_glamor_get_fence(xwl_screen);
 | |
| #endif /* XWL_HAS_GLAMOR */
 | |
|     xwl_present_flush(window);
 | |
|     return fence;
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xwl_present_check_flip(RRCrtcPtr crtc,
 | |
|                        WindowPtr present_window,
 | |
|                        PixmapPtr pixmap,
 | |
|                        Bool sync_flip,
 | |
|                        RegionPtr valid,
 | |
|                        int16_t x_off,
 | |
|                        int16_t y_off,
 | |
|                        PresentFlipReason *reason)
 | |
| {
 | |
|     WindowPtr toplvl_window = xwl_present_toplvl_pixmap_window(present_window);
 | |
|     struct xwl_window *xwl_window = xwl_window_from_window(present_window);
 | |
|     ScreenPtr screen = pixmap->drawable.pScreen;
 | |
| 
 | |
|     if (reason)
 | |
|         *reason = PRESENT_FLIP_REASON_UNKNOWN;
 | |
| 
 | |
|     if (!xwl_window)
 | |
|         return FALSE;
 | |
| 
 | |
|     xwl_present_maybe_set_reason(xwl_window, reason);
 | |
| 
 | |
|     if (!crtc)
 | |
|         return FALSE;
 | |
| 
 | |
|     /* Source pixmap must align with window exactly */
 | |
|     if (x_off || y_off)
 | |
|         return FALSE;
 | |
| 
 | |
|     /* Valid area must contain window (for simplicity for now just never flip when one is set). */
 | |
|     if (valid)
 | |
|         return FALSE;
 | |
| 
 | |
|     /* Flip pixmap must have same dimensions as window */
 | |
|     if (present_window->drawable.width != pixmap->drawable.width ||
 | |
|             present_window->drawable.height != pixmap->drawable.height)
 | |
|         return FALSE;
 | |
| 
 | |
|     if (!xwl_pixmap_get_wl_buffer(pixmap))
 | |
|         return FALSE;
 | |
| 
 | |
|     /* Window must be same region as toplevel window */
 | |
|     if ( !RegionEqual(&present_window->winSize, &toplvl_window->winSize) )
 | |
|         return FALSE;
 | |
| 
 | |
|     /* Can't flip if window clipped by children */
 | |
|     if (!RegionEqual(&present_window->clipList, &present_window->winSize))
 | |
|         return FALSE;
 | |
| 
 | |
|     /* Can't flip if the window pixmap doesn't match the xwl_window parent
 | |
|      * window's, e.g. because a client redirected this window or one of its
 | |
|      * parents.
 | |
|      */
 | |
|     if (screen->GetWindowPixmap(xwl_window->surface_window) != screen->GetWindowPixmap(present_window))
 | |
|         return FALSE;
 | |
| 
 | |
|     /*
 | |
|      * We currently only allow flips of windows, that have the same
 | |
|      * dimensions as their xwl_window parent window. For the case of
 | |
|      * different sizes subsurfaces are presumably the way forward.
 | |
|      */
 | |
|     if (!RegionEqual(&xwl_window->toplevel->winSize, &present_window->winSize))
 | |
|         return FALSE;
 | |
| 
 | |
| #ifdef XWL_HAS_GLAMOR
 | |
|     if (!xwl_glamor_supports_implicit_sync(xwl_window->xwl_screen) &&
 | |
|         !xwl_window->xwl_screen->explicit_sync)
 | |
|         return FALSE;
 | |
| 
 | |
|     if (xwl_window->xwl_screen->glamor &&
 | |
|         !xwl_glamor_check_flip(present_window, pixmap))
 | |
|         return FALSE;
 | |
| #endif /* XWL_HAS_GLAMOR */
 | |
| 
 | |
|     return TRUE;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * 'window' is being reconfigured. Check to see if it is involved
 | |
|  * in flipping and clean up as necessary.
 | |
|  */
 | |
| static void
 | |
| xwl_present_check_flip_window (WindowPtr window)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window);
 | |
|     present_window_priv_ptr window_priv = present_window_priv(window);
 | |
|     present_vblank_ptr      flip_pending;
 | |
|     present_vblank_ptr      flip_active;
 | |
|     present_vblank_ptr      vblank;
 | |
|     PresentFlipReason       reason;
 | |
| 
 | |
|     /* If this window hasn't ever been used with Present, it can't be
 | |
|      * flipping
 | |
|      */
 | |
|     if (!xwl_present_window || !window_priv)
 | |
|         return;
 | |
| 
 | |
|     flip_pending = xwl_present_get_pending_flip(xwl_present_window);
 | |
|     flip_active = xwl_present_window->flip_active;
 | |
| 
 | |
|     if (flip_pending) {
 | |
|         if (!xwl_present_check_flip(flip_pending->crtc, flip_pending->window, flip_pending->pixmap,
 | |
|                                     flip_pending->sync_flip, flip_pending->valid, 0, 0, NULL))
 | |
|             flip_pending->abort_flip = TRUE;
 | |
|     } else if (flip_active) {
 | |
|         if (!xwl_present_check_flip(flip_active->crtc, flip_active->window, flip_active->pixmap,
 | |
|                                     flip_active->sync_flip, flip_active->valid, 0, 0, NULL))
 | |
|             xwl_present_flips_stop(window);
 | |
|     }
 | |
| 
 | |
|     /* Now check any queued vblanks */
 | |
|     xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) {
 | |
|         if (vblank->queued && vblank->flip &&
 | |
|                 !xwl_present_check_flip(vblank->crtc, window, vblank->pixmap,
 | |
|                                         vblank->sync_flip, vblank->valid, 0, 0, &reason)) {
 | |
|             vblank->flip = FALSE;
 | |
|             vblank->reason = reason;
 | |
|         }
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Clean up any pending or current flips for this window
 | |
|  */
 | |
| static void
 | |
| xwl_present_clear_window_flip(WindowPtr window)
 | |
| {
 | |
|     /* xwl_present_cleanup cleaned up everything */
 | |
| }
 | |
| 
 | |
| static Bool
 | |
| xwl_present_flip(present_vblank_ptr vblank, RegionPtr damage)
 | |
| {
 | |
|     WindowPtr present_window = vblank->window;
 | |
|     PixmapPtr pixmap = vblank->pixmap;
 | |
|     struct xwl_window           *xwl_window = xwl_window_from_window(present_window);
 | |
|     struct xwl_present_window   *xwl_present_window = xwl_present_window_priv(present_window);
 | |
|     BoxPtr                      damage_box;
 | |
|     struct wl_buffer            *buffer;
 | |
|     struct xwl_present_event    *event = xwl_present_event_from_vblank(vblank);
 | |
|     Bool                        implicit_sync = TRUE;
 | |
| 
 | |
|     if (!xwl_window || !xwl_window->allow_commits)
 | |
|         return FALSE;
 | |
| 
 | |
|     buffer = xwl_pixmap_get_wl_buffer(pixmap);
 | |
|     if (!buffer) {
 | |
|         ErrorF("present: Error getting buffer\n");
 | |
|         return FALSE;
 | |
|     }
 | |
| 
 | |
|     damage_box = RegionExtents(damage);
 | |
| 
 | |
|     pixmap->refcnt++;
 | |
| 
 | |
|     event->pixmap = pixmap;
 | |
| 
 | |
| #if defined(XWL_HAS_GLAMOR) && defined(DRI3)
 | |
|     if (vblank->acquire_syncobj && vblank->release_syncobj) {
 | |
|         if (xwl_window->xwl_screen->explicit_sync) {
 | |
|             xwl_glamor_dri3_syncobj_passthrough(xwl_window,
 | |
|                                                 vblank->acquire_syncobj,
 | |
|                                                 vblank->release_syncobj,
 | |
|                                                 vblank->acquire_point,
 | |
|                                                 vblank->release_point);
 | |
|             implicit_sync = FALSE;
 | |
|         } else {
 | |
|             /* transfer from acquire syncobj to implicit fence */
 | |
|             int fence_fd =
 | |
|                 vblank->acquire_syncobj->export_fence(vblank->acquire_syncobj,
 | |
|                                                       vblank->acquire_point);
 | |
|             xwl_glamor_dmabuf_import_sync_file(vblank->pixmap, fence_fd);
 | |
|         }
 | |
|     }
 | |
| #endif /* defined(XWL_HAS_GLAMOR) && defined(DRI3) */
 | |
| 
 | |
|     if (implicit_sync) {
 | |
|         xwl_pixmap_set_buffer_release_cb(pixmap, xwl_present_buffer_release, event);
 | |
| 
 | |
|         if (xwl_window->surface_sync) {
 | |
|             wp_linux_drm_syncobj_surface_v1_destroy(xwl_window->surface_sync);
 | |
|             xwl_window->surface_sync = NULL;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /* We can flip directly to the main surface (full screen window without clips) */
 | |
|     wl_surface_attach(xwl_window->surface, buffer, 0, 0);
 | |
| 
 | |
|     if (xorg_list_is_empty(&xwl_present_window->frame_callback_list)) {
 | |
|         xorg_list_add(&xwl_present_window->frame_callback_list,
 | |
|                       &xwl_window->frame_callback_list);
 | |
|     }
 | |
| 
 | |
|     if (!xwl_window->frame_callback)
 | |
|         xwl_window_create_frame_callback(xwl_window);
 | |
| 
 | |
|     xwl_surface_damage(xwl_window->xwl_screen, xwl_window->surface,
 | |
|                        damage_box->x1 - present_window->drawable.x,
 | |
|                        damage_box->y1 - present_window->drawable.y,
 | |
|                        damage_box->x2 - damage_box->x1,
 | |
|                        damage_box->y2 - damage_box->y1);
 | |
| 
 | |
|     if (xwl_window->tearing_control) {
 | |
|         uint32_t hint;
 | |
|         if (event->options & PresentOptionAsyncMayTear)
 | |
|             hint = WP_TEARING_CONTROL_V1_PRESENTATION_HINT_ASYNC;
 | |
|         else
 | |
|             hint = WP_TEARING_CONTROL_V1_PRESENTATION_HINT_VSYNC;
 | |
| 
 | |
|         wp_tearing_control_v1_set_presentation_hint(xwl_window->tearing_control, hint);
 | |
|     }
 | |
| 
 | |
|     wl_surface_commit(xwl_window->surface);
 | |
| 
 | |
|     if (!vblank->sync_flip) {
 | |
|         xwl_present_window->sync_callback =
 | |
|             wl_display_sync(xwl_window->xwl_screen->display);
 | |
|         wl_callback_add_listener(xwl_present_window->sync_callback,
 | |
|                                  &xwl_present_sync_listener,
 | |
|                                  &event->vblank);
 | |
|     }
 | |
| 
 | |
|     wl_display_flush(xwl_window->xwl_screen->display);
 | |
|     return TRUE;
 | |
| }
 | |
| 
 | |
| #if defined(XWL_HAS_GLAMOR) && defined(DRI3)
 | |
| static void
 | |
| xwl_present_acquire_fence_avail(int fd, int xevents, void *data)
 | |
| {
 | |
|     present_vblank_ptr vblank = data;
 | |
| 
 | |
|     SetNotifyFd(fd, NULL, 0, NULL);
 | |
|     close(fd);
 | |
|     vblank->efd = -1;
 | |
| 
 | |
|     xwl_present_re_execute(vblank);
 | |
| }
 | |
| #endif /* defined(XWL_HAS_GLAMOR) && defined(DRI3) */
 | |
| 
 | |
| static Bool
 | |
| xwl_present_wait_acquire_fence_avail(struct xwl_screen *xwl_screen,
 | |
|                                      present_vblank_ptr vblank)
 | |
| {
 | |
| #if defined(XWL_HAS_GLAMOR) && defined(DRI3)
 | |
|     /* If the compositor does not support explicit sync we need to wait for the
 | |
|      * acquire fence to be submitted before flipping. */
 | |
|     if (vblank->flip && !xwl_screen->explicit_sync &&
 | |
|         vblank->pixmap && vblank->acquire_syncobj &&
 | |
|         !vblank->acquire_syncobj->has_fence(vblank->acquire_syncobj,
 | |
|                                             vblank->acquire_point)) {
 | |
|         vblank->efd = eventfd(0, EFD_CLOEXEC);
 | |
|         SetNotifyFd(vblank->efd, xwl_present_acquire_fence_avail, X_NOTIFY_READ, vblank);
 | |
|         vblank->acquire_syncobj->submitted_eventfd(vblank->acquire_syncobj,
 | |
|                                                    vblank->acquire_point,
 | |
|                                                    vblank->efd);
 | |
|         return TRUE;
 | |
|     }
 | |
| #endif /* defined(XWL_HAS_GLAMOR) && defined(DRI3) */
 | |
|     return FALSE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| xwl_present_flush_blocked(struct xwl_present_window *xwl_present_window,
 | |
|                           uint64_t crtc_msc)
 | |
| {
 | |
|     struct xwl_screen *xwl_screen =
 | |
|         xwl_screen_get(xwl_present_window->window->drawable.pScreen);
 | |
|     struct xwl_present_event *blocked_event, *tmp;
 | |
| 
 | |
|     if (!xwl_present_window->blocking_event)
 | |
|         return;
 | |
| 
 | |
|     xwl_present_window->blocking_event = 0;
 | |
| 
 | |
|     xorg_list_for_each_entry_safe(blocked_event, tmp,
 | |
|                                   &xwl_present_window->blocked_queue,
 | |
|                                   blocked) {
 | |
|         present_vblank_ptr blocked_vblank = &blocked_event->vblank;
 | |
|         xorg_list_del(&blocked_event->blocked);
 | |
|         if (present_execute_wait(blocked_vblank, crtc_msc) ||
 | |
|             xwl_present_wait_acquire_fence_avail(xwl_screen, blocked_vblank)) {
 | |
|             xwl_present_window->blocking_event = blocked_vblank->event_id;
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         xwl_present_re_execute(blocked_vblank);
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Once the required MSC has been reached, execute the pending request.
 | |
|  *
 | |
|  * For requests to actually present something, either blt contents to
 | |
|  * the window pixmap or queue a window buffer swap on the backend.
 | |
|  *
 | |
|  * For requests to just get the current MSC/UST combo, skip that part and
 | |
|  * go straight to event delivery.
 | |
|  */
 | |
| static void
 | |
| xwl_present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
 | |
| {
 | |
|     WindowPtr               window = vblank->window;
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(window);
 | |
|     present_vblank_ptr flip_pending = xwl_present_get_pending_flip(xwl_present_window);
 | |
|     struct xwl_present_event *event = xwl_present_event_from_vblank(vblank);
 | |
|     struct xwl_screen *xwl_screen = xwl_screen_get(window->drawable.pScreen);
 | |
|     Bool notify_only = !vblank->window || !vblank->pixmap;
 | |
| 
 | |
|     xorg_list_del(&vblank->event_queue);
 | |
| 
 | |
|     if (!notify_only && !event->copy_executed &&
 | |
|         xwl_present_window->blocking_event &&
 | |
|         xwl_present_window->blocking_event != event->vblank.event_id) {
 | |
|         /* an earlier request is blocking execution */
 | |
|         xorg_list_append(&event->blocked, &xwl_present_window->blocked_queue);
 | |
|         return;
 | |
|     }
 | |
| 
 | |
| retry:
 | |
|     if (present_execute_wait(vblank, crtc_msc) ||
 | |
|         xwl_present_wait_acquire_fence_avail(xwl_screen, vblank)) {
 | |
|         if (!notify_only)
 | |
|             /* block execution of subsequent requests until this request is ready */
 | |
|             xwl_present_window->blocking_event = event->vblank.event_id;
 | |
|         return;
 | |
|     }
 | |
| 
 | |
|     if (flip_pending && vblank->flip && !notify_only) {
 | |
|         present_vblank_ptr flip_queued_last;
 | |
| 
 | |
|         flip_queued_last = xorg_list_last_entry(&xwl_present_window->flip_queue,
 | |
|                                                 present_vblank_rec, event_queue);
 | |
| 
 | |
|         /* Do mailbox handling for queued flips, to prevent the flip queue from
 | |
|          * growing unbounded.
 | |
|          */
 | |
|         if (flip_queued_last != flip_pending &&
 | |
|             (flip_queued_last->sync_flip
 | |
| #ifdef DRI3
 | |
|              || vblank->acquire_syncobj
 | |
| #endif
 | |
|              )) {
 | |
|             xorg_list_del(&flip_queued_last->event_queue);
 | |
|             present_vblank_scrap(flip_queued_last);
 | |
|             xwl_present_re_execute(flip_queued_last);
 | |
|         }
 | |
| 
 | |
|         DebugPresent(("\tr %" PRIu64 " %p (pending %p)\n",
 | |
|                       vblank->event_id, vblank, flip_pending));
 | |
|         xorg_list_append(&vblank->event_queue, &xwl_present_window->flip_queue);
 | |
|         return;
 | |
|     }
 | |
| 
 | |
|     vblank->queued = FALSE;
 | |
| 
 | |
|     if (!notify_only && !event->copy_executed) {
 | |
|         ScreenPtr screen = window->drawable.pScreen;
 | |
|         int ret;
 | |
| 
 | |
|         if (vblank->flip) {
 | |
|             RegionPtr damage;
 | |
| 
 | |
|             DebugPresent(("\tf %" PRIu64 " %p %" PRIu64 ": %08" PRIx32 " -> %08" PRIx32 "\n",
 | |
|                           vblank->event_id, vblank, crtc_msc,
 | |
|                           vblank->pixmap->drawable.id, vblank->window->drawable.id));
 | |
| 
 | |
|             /* Set update region as damaged */
 | |
|             if (vblank->update) {
 | |
|                 damage = RegionDuplicate(vblank->update);
 | |
|                 /* Translate update region to screen space */
 | |
|                 assert(vblank->x_off == 0 && vblank->y_off == 0);
 | |
|                 RegionTranslate(damage, window->drawable.x, window->drawable.y);
 | |
|                 RegionIntersect(damage, damage, &window->clipList);
 | |
|             } else
 | |
|                 damage = RegionDuplicate(&window->clipList);
 | |
| 
 | |
|             if (xwl_present_flip(vblank, damage)) {
 | |
|                 WindowPtr toplvl_window = xwl_present_toplvl_pixmap_window(vblank->window);
 | |
|                 struct xwl_window *xwl_window = xwl_window_from_window(window);
 | |
|                 PixmapPtr old_pixmap = screen->GetWindowPixmap(window);
 | |
| 
 | |
|                 /* Replace window pixmap with flip pixmap */
 | |
|                 vblank->pixmap->screen_x = old_pixmap->screen_x;
 | |
|                 vblank->pixmap->screen_y = old_pixmap->screen_y;
 | |
|                 present_set_tree_pixmap(toplvl_window, old_pixmap, vblank->pixmap);
 | |
| 
 | |
|                 if (toplvl_window == screen->root &&
 | |
|                     screen->GetScreenPixmap(screen) == old_pixmap)
 | |
|                     screen->SetScreenPixmap(vblank->pixmap);
 | |
| 
 | |
|                 vblank->pixmap->refcnt++;
 | |
|                 dixDestroyPixmap(old_pixmap, old_pixmap->drawable.id);
 | |
| 
 | |
|                 /* Report damage, let damage_report ignore it though */
 | |
|                 xwl_screen->ignore_damage = TRUE;
 | |
|                 DamageDamageRegion(&vblank->window->drawable, damage);
 | |
|                 xwl_screen->ignore_damage = FALSE;
 | |
|                 RegionDestroy(damage);
 | |
| 
 | |
|                 /* Clear damage region, to ensure damage_report is called before
 | |
|                  * any drawing to the window
 | |
|                  */
 | |
|                 xwl_window_buffer_add_damage_region(xwl_window);
 | |
|                 RegionEmpty(xwl_window_get_damage_region(xwl_window));
 | |
|                 xorg_list_del(&xwl_window->link_damage);
 | |
| 
 | |
|                 /* Put pending flip at the flip queue head */
 | |
|                 xorg_list_add(&vblank->event_queue, &xwl_present_window->flip_queue);
 | |
| 
 | |
|                 /* Realign timer */
 | |
|                 xwl_present_reset_timer(xwl_present_window);
 | |
| 
 | |
|                 xwl_present_flush_blocked(xwl_present_window, crtc_msc);
 | |
|                 return;
 | |
|             }
 | |
| 
 | |
|             vblank->flip = FALSE;
 | |
|             /* re-execute, falling through to copy */
 | |
|             goto retry;
 | |
|         }
 | |
|         DebugPresent(("\tc %p %" PRIu64 ": %08" PRIx32 " -> %08" PRIx32 "\n",
 | |
|                       vblank, crtc_msc, vblank->pixmap->drawable.id, vblank->window->drawable.id));
 | |
| 
 | |
|         if (flip_pending)
 | |
|             flip_pending->abort_flip = TRUE;
 | |
|         else if (xwl_present_window->flip_active)
 | |
|             xwl_present_flips_stop(window);
 | |
| 
 | |
|         present_execute_copy(vblank, crtc_msc);
 | |
|         assert(!vblank->queued);
 | |
| 
 | |
|         /* Set the copy_executed field, so this will fall through to present_execute_post next time */
 | |
|         event->copy_executed = TRUE;
 | |
| 
 | |
|         ret = xwl_present_queue_vblank(screen, window, vblank->crtc,
 | |
|                                        vblank->event_id, crtc_msc + 1);
 | |
| 
 | |
|         xwl_present_flush_blocked(xwl_present_window, crtc_msc);
 | |
| 
 | |
|         if (ret == Success)
 | |
|             return;
 | |
|     }
 | |
| 
 | |
|     present_execute_post(vblank, ust, crtc_msc);
 | |
| }
 | |
| 
 | |
| static int
 | |
| xwl_present_pixmap(WindowPtr window,
 | |
|                    PixmapPtr pixmap,
 | |
|                    CARD32 serial,
 | |
|                    RegionPtr valid,
 | |
|                    RegionPtr update,
 | |
|                    int16_t x_off,
 | |
|                    int16_t y_off,
 | |
|                    RRCrtcPtr target_crtc,
 | |
|                    SyncFence *wait_fence,
 | |
|                    SyncFence *idle_fence,
 | |
| #ifdef DRI3
 | |
|                    struct dri3_syncobj *acquire_syncobj,
 | |
|                    struct dri3_syncobj *release_syncobj,
 | |
|                    uint64_t acquire_point,
 | |
|                    uint64_t release_point,
 | |
| #endif /* DRI3 */
 | |
|                    uint32_t options,
 | |
|                    uint64_t target_window_msc,
 | |
|                    uint64_t divisor,
 | |
|                    uint64_t remainder,
 | |
|                    present_notify_ptr notifies,
 | |
|                    int num_notifies)
 | |
| {
 | |
|     static uint64_t xwl_present_event_id;
 | |
|     uint64_t                    ust = 0;
 | |
|     uint64_t                    target_msc;
 | |
|     uint64_t                    crtc_msc = 0;
 | |
|     int                         ret;
 | |
|     present_vblank_ptr          vblank;
 | |
|     ScreenPtr                   screen = window->drawable.pScreen;
 | |
|     present_window_priv_ptr     window_priv = present_get_window_priv(window, TRUE);
 | |
|     present_screen_priv_ptr     screen_priv = present_screen_priv(screen);
 | |
|     struct xwl_screen          *xwl_screen = xwl_screen_get(screen_priv->pScreen);
 | |
|     uint32_t                    caps = xwl_screen->present_capabilities;
 | |
|     struct xwl_present_event *event;
 | |
| 
 | |
|     if (!window_priv)
 | |
|         return BadAlloc;
 | |
| 
 | |
| #ifdef DRI3
 | |
|     if (!(caps & PresentCapabilitySyncobj) &&
 | |
|         (acquire_syncobj || release_syncobj))
 | |
|         return BadValue;
 | |
| #endif /* DRI3 */
 | |
| 
 | |
|     target_crtc = xwl_present_get_crtc(screen_priv, window);
 | |
| 
 | |
|     ret = xwl_present_get_ust_msc(screen, window, &ust, &crtc_msc);
 | |
| 
 | |
|     xwl_present_update_window_crtc(window_priv, target_crtc, crtc_msc);
 | |
| 
 | |
|     if (ret == Success) {
 | |
|         /* Stash the current MSC away in case we need it later
 | |
|          */
 | |
|         window_priv->msc = crtc_msc;
 | |
|     }
 | |
| 
 | |
|     target_msc = present_get_target_msc(target_window_msc + window_priv->msc_offset,
 | |
|                                         crtc_msc,
 | |
|                                         divisor,
 | |
|                                         remainder,
 | |
|                                         options);
 | |
| 
 | |
|     event = calloc(1, sizeof(*event));
 | |
|     if (!event)
 | |
|         return BadAlloc;
 | |
| 
 | |
|     vblank = &event->vblank;
 | |
|     if (!present_vblank_init(vblank, window, pixmap, serial, valid, update, x_off, y_off,
 | |
|                              target_crtc, wait_fence, idle_fence,
 | |
| #ifdef DRI3
 | |
|                              acquire_syncobj, release_syncobj, acquire_point, release_point,
 | |
| #endif /* DRI3 */
 | |
|                              options, caps, notifies, num_notifies, target_msc, crtc_msc)) {
 | |
|         present_vblank_destroy(vblank);
 | |
|         return BadAlloc;
 | |
|     }
 | |
| 
 | |
|     vblank->event_id = ++xwl_present_event_id;
 | |
|     event->options = options;
 | |
|     event->divisor = divisor;
 | |
|     event->remainder = remainder;
 | |
|     vblank->exec_msc = xwl_present_get_exec_msc(options, vblank->target_msc);
 | |
| 
 | |
|     vblank->queued = TRUE;
 | |
|     if (crtc_msc < vblank->exec_msc) {
 | |
|         if (xwl_present_queue_vblank(screen, window, target_crtc, vblank->event_id, vblank->exec_msc) == Success)
 | |
|             return Success;
 | |
| 
 | |
|         DebugPresent(("present_queue_vblank failed\n"));
 | |
|     }
 | |
| 
 | |
|     xwl_present_execute(vblank, ust, crtc_msc);
 | |
|     return Success;
 | |
| }
 | |
| 
 | |
| void
 | |
| xwl_present_unrealize_window(struct xwl_present_window *xwl_present_window)
 | |
| {
 | |
|     /* The pending frame callback may never be called, so drop it and shorten
 | |
|      * the frame timer interval.
 | |
|      */
 | |
|     xorg_list_del(&xwl_present_window->frame_callback_list);
 | |
| 
 | |
|     /* Make sure the timer callback doesn't get called */
 | |
|     xwl_present_window->timer_armed = 0;
 | |
|     xwl_present_reset_timer(xwl_present_window);
 | |
| }
 | |
| 
 | |
| Bool
 | |
| xwl_present_maybe_redirect_window(WindowPtr window)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(window);
 | |
|     struct xwl_window *xwl_window = xwl_window_from_window(window);
 | |
| 
 | |
|     if (xwl_present_window->redirect_failed)
 | |
|         return FALSE;
 | |
| 
 | |
|     if (compRedirectWindow(serverClient, window, CompositeRedirectManual) != Success) {
 | |
|         xwl_present_window->redirect_failed = TRUE;
 | |
|         return FALSE;
 | |
|     }
 | |
| 
 | |
|     xwl_present_window->redirected = TRUE;
 | |
| 
 | |
|     xwl_window_update_surface_window(xwl_window);
 | |
|     if (xwl_window->surface_window != window) {
 | |
|         compUnredirectWindow(serverClient, window, CompositeRedirectManual);
 | |
|         xwl_present_window->redirected = FALSE;
 | |
|         xwl_present_window->redirect_failed = TRUE;
 | |
|         xwl_window_update_surface_window(xwl_window);
 | |
|         return FALSE;
 | |
|     }
 | |
| 
 | |
|     if (!xwl_window->surface_window_damage)
 | |
|         xwl_window->surface_window_damage = RegionCreate(NullBox, 1);
 | |
| 
 | |
|     return TRUE;
 | |
| }
 | |
| 
 | |
| static CARD32
 | |
| unredirect_window(OsTimerPtr timer, CARD32 time, void *arg)
 | |
| {
 | |
|     WindowPtr window = arg;
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(window);
 | |
| 
 | |
|     compUnredirectWindow(serverClient, window, CompositeRedirectManual);
 | |
|     xwl_present_window->redirected = FALSE;
 | |
| 
 | |
|     xwl_present_window->unredirect_timer = NULL;
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| Bool
 | |
| xwl_present_maybe_unredirect_window(WindowPtr window)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(window);
 | |
| 
 | |
|     if (!xwl_present_window || !xwl_present_window->redirected)
 | |
|         return FALSE;
 | |
| 
 | |
|     /* This function may get called from composite layer code, in which case
 | |
|      * calling compUnredirectWindow would blow up. To avoid this, set up a timer
 | |
|      * which will call it "as soon as possible".
 | |
|      */
 | |
|     if (!xwl_present_window->unredirect_timer) {
 | |
|         xwl_present_window->unredirect_timer =
 | |
|             TimerSet(NULL, 0, 1, unredirect_window, window);
 | |
|     }
 | |
| 
 | |
|     return TRUE;
 | |
| }
 | |
| 
 | |
| Bool
 | |
| xwl_present_window_redirected(WindowPtr window)
 | |
| {
 | |
|     struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(window);
 | |
| 
 | |
|     return xwl_present_window->redirected;
 | |
| }
 | |
| 
 | |
| Bool
 | |
| xwl_present_init(ScreenPtr screen)
 | |
| {
 | |
|     struct xwl_screen *xwl_screen = xwl_screen_get(screen);
 | |
|     present_screen_priv_ptr screen_priv;
 | |
| 
 | |
|     if (!present_screen_register_priv_keys())
 | |
|         return FALSE;
 | |
| 
 | |
|     if (present_screen_priv(screen))
 | |
|         return TRUE;
 | |
| 
 | |
|     screen_priv = present_screen_priv_init(screen);
 | |
|     if (!screen_priv)
 | |
|         return FALSE;
 | |
| 
 | |
|     if (!dixRegisterPrivateKey(&xwl_present_window_private_key, PRIVATE_WINDOW, 0))
 | |
|         return FALSE;
 | |
| 
 | |
|     xwl_screen->present_capabilities = XWL_PRESENT_CAPS;
 | |
| #ifdef XWL_HAS_GLAMOR
 | |
|     if (xwl_glamor_supports_syncobjs(xwl_screen))
 | |
|         xwl_screen->present_capabilities |=
 | |
|             PresentCapabilitySyncobj;
 | |
| #endif /* XWL_HAS_GLAMOR */
 | |
| 
 | |
|     screen_priv->query_capabilities = xwl_present_query_capabilities;
 | |
|     screen_priv->get_crtc = xwl_present_get_crtc;
 | |
| 
 | |
|     screen_priv->check_flip = xwl_present_check_flip;
 | |
|     screen_priv->check_flip_window = xwl_present_check_flip_window;
 | |
|     screen_priv->clear_window_flip = xwl_present_clear_window_flip;
 | |
| 
 | |
|     screen_priv->present_pixmap = xwl_present_pixmap;
 | |
|     screen_priv->queue_vblank = xwl_present_queue_vblank;
 | |
|     screen_priv->flush = xwl_present_flush;
 | |
|     screen_priv->flush_fenced = xwl_present_flush_fenced;
 | |
|     screen_priv->re_execute = xwl_present_re_execute;
 | |
| 
 | |
|     screen_priv->abort_vblank = xwl_present_abort_vblank;
 | |
| 
 | |
|     return TRUE;
 | |
| }
 |