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xwayland/debian/patches/0001-xwayland-patch-fix-vsync.patch

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replace patch
2023-02-25 12:29:19 +01:00
From 15e9c2a684c526d6356f31123af50ebe3208721d Mon Sep 17 00:00:00 2001
From: Thomas Crider <gloriouseggroll@gmail.com>
Date: Fri, 5 Aug 2022 18:02:26 -0600
Subject: [PATCH] xwayland-patch-fix-vsync
copied from https://build.opensuse.org/package/view_file/home:hwsnemo:xwayland/xwayland/xwayland-vsync.diff?expand=1
---
hw/xwayland/xwayland-present.c | 3 +-
hw/xwayland/xwayland-present.c.orig | 999 ++++++++++++++++++++++++++++
2 files changed, 1001 insertions(+), 1 deletion(-)
create mode 100644 hw/xwayland/xwayland-present.c.orig
diff --git a/hw/xwayland/xwayland-present.c b/hw/xwayland/xwayland-present.c
index 99e476b..7177f4f 100644
--- a/hw/xwayland/xwayland-present.c
+++ b/hw/xwayland/xwayland-present.c
@@ -835,7 +835,8 @@ xwl_present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
dixDestroyPixmap(vblank->pixmap, vblank->pixmap->drawable.id);
vblank->pixmap = NULL;
- if (xwl_present_queue_vblank(screen, window, vblank->crtc,
+ if (vblank->target_msc > crtc_msc &&
+ xwl_present_queue_vblank(screen, window, vblank->crtc,
vblank->event_id, crtc_msc + 1)
== Success)
return;
diff --git a/hw/xwayland/xwayland-present.c.orig b/hw/xwayland/xwayland-present.c.orig
new file mode 100644
index 0000000..99e476b
--- /dev/null
+++ b/hw/xwayland/xwayland-present.c.orig
@@ -0,0 +1,999 @@
+/*
+ * Copyright © 2018 Roman Gilg
+ *
+ * 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 <xwayland-config.h>
+
+#include <windowstr.h>
+#include <present.h>
+
+#include "xwayland-present.h"
+#include "xwayland-screen.h"
+#include "xwayland-window.h"
+#include "xwayland-pixmap.h"
+#include "glamor.h"
+
+
+#define XWL_PRESENT_CAPS PresentCapabilityAsync
+
+
+/*
+ * When not flipping let Present copy with 60fps.
+ * When flipping wait on frame_callback, otherwise
+ * the surface is not visible, in this case update
+ * with long interval.
+ */
+#define TIMER_LEN_COPY 17 // ~60fps
+#define TIMER_LEN_FLIP 1000 // 1fps
+
+static DevPrivateKeyRec xwl_present_window_private_key;
+
+static struct xwl_present_window *
+xwl_present_window_priv(WindowPtr window)
+{
+ return dixGetPrivate(&window->devPrivates,
+ &xwl_present_window_private_key);
+}
+
+static struct xwl_present_window *
+xwl_present_window_get_priv(WindowPtr window)
+{
+ struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window);
+
+ if (xwl_present_window == NULL) {
+ xwl_present_window = calloc (1, sizeof (struct xwl_present_window));
+ if (!xwl_present_window)
+ return NULL;
+
+ xwl_present_window->window = window;
+ xwl_present_window->msc = 1;
+ xwl_present_window->ust = GetTimeInMicros();
+
+ xorg_list_init(&xwl_present_window->frame_callback_list);
+ xorg_list_init(&xwl_present_window->wait_list);
+ xorg_list_init(&xwl_present_window->flip_queue);
+ xorg_list_init(&xwl_present_window->idle_queue);
+
+ dixSetPrivate(&window->devPrivates,
+ &xwl_present_window_private_key,
+ xwl_present_window);
+ }
+
+ return xwl_present_window;
+}
+
+static struct xwl_present_event *
+xwl_present_event_from_id(uint64_t event_id)
+{
+ return (struct xwl_present_event*)(uintptr_t)event_id;
+}
+
+static void
+xwl_present_free_timer(struct xwl_present_window *xwl_present_window)
+{
+ TimerFree(xwl_present_window->frame_timer);
+ xwl_present_window->frame_timer = NULL;
+ xwl_present_window->timer_armed = 0;
+}
+
+static CARD32
+xwl_present_timer_callback(OsTimerPtr timer,
+ CARD32 time,
+ void *arg);
+
+static present_vblank_ptr
+xwl_present_get_pending_flip(struct xwl_present_window *xwl_present_window)
+{
+ present_vblank_ptr flip_pending;
+
+ if (xorg_list_is_empty(&xwl_present_window->flip_queue))
+ return NULL;
+
+ flip_pending = xorg_list_first_entry(&xwl_present_window->flip_queue, present_vblank_rec,
+ event_queue);
+
+ if (flip_pending->queued)
+ return NULL;
+
+ return flip_pending;
+}
+
+static inline Bool
+xwl_present_has_pending_events(struct xwl_present_window *xwl_present_window)
+{
+ present_vblank_ptr flip_pending = xwl_present_get_pending_flip(xwl_present_window);
+
+ return (flip_pending && flip_pending->sync_flip) ||
+ !xorg_list_is_empty(&xwl_present_window->wait_list);
+}
+
+void
+xwl_present_reset_timer(struct xwl_present_window *xwl_present_window)
+{
+ if (xwl_present_has_pending_events(xwl_present_window)) {
+ struct xwl_window *xwl_window = xwl_window_from_window(xwl_present_window->window);
+ CARD32 now = GetTimeInMillis();
+ CARD32 timeout;
+
+ if (xwl_window && xwl_window->frame_callback &&
+ !xorg_list_is_empty(&xwl_present_window->frame_callback_list))
+ timeout = TIMER_LEN_FLIP;
+ else
+ timeout = TIMER_LEN_COPY;
+
+ /* Make sure the timer callback runs if at least a second has passed
+ * since we first armed the timer. This can happen e.g. if the Wayland
+ * compositor doesn't send a pending frame event, e.g. because the
+ * Wayland surface isn't visible anywhere.
+ */
+ if (xwl_present_window->timer_armed) {
+ if ((int)(now - xwl_present_window->timer_armed) > 1000) {
+ xwl_present_timer_callback(xwl_present_window->frame_timer, now,
+ xwl_present_window);
+ return;
+ }
+ } else {
+ xwl_present_window->timer_armed = now;
+ }
+
+ xwl_present_window->frame_timer = TimerSet(xwl_present_window->frame_timer,
+ 0, timeout,
+ &xwl_present_timer_callback,
+ xwl_present_window);
+ } else {
+ xwl_present_free_timer(xwl_present_window);
+ }
+}
+
+
+static void
+xwl_present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc);
+
+static uint32_t
+xwl_present_query_capabilities(present_screen_priv_ptr screen_priv)
+{
+ return XWL_PRESENT_CAPS;
+}
+
+static int
+xwl_present_get_ust_msc(ScreenPtr screen,
+ WindowPtr present_window,
+ uint64_t *ust,
+ uint64_t *msc)
+{
+ struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(present_window);
+ if (!xwl_present_window)
+ return BadAlloc;
+
+ *ust = xwl_present_window->ust;
+ *msc = xwl_present_window->msc;
+
+ return Success;
+}
+
+/*
+ * When the wait fence or previous flip is completed, it's time
+ * to re-try the request
+ */
+static void
+xwl_present_re_execute(present_vblank_ptr vblank)
+{
+ uint64_t ust = 0, crtc_msc = 0;
+
+ (void) xwl_present_get_ust_msc(vblank->screen, vblank->window, &ust, &crtc_msc);
+ xwl_present_execute(vblank, ust, crtc_msc);
+}
+
+static void
+xwl_present_flip_try_ready(struct xwl_present_window *xwl_present_window)
+{
+ present_vblank_ptr vblank;
+
+ xorg_list_for_each_entry(vblank, &xwl_present_window->flip_queue, event_queue) {
+ if (vblank->queued) {
+ xwl_present_re_execute(vblank);
+ return;
+ }
+ }
+}
+
+static void
+xwl_present_release_pixmap(struct xwl_present_event *event)
+{
+ if (!event->pixmap)
+ return;
+
+ xwl_pixmap_del_buffer_release_cb(event->pixmap);
+ dixDestroyPixmap(event->pixmap, event->pixmap->drawable.id);
+ event->pixmap = NULL;
+}
+
+static void
+xwl_present_free_event(struct xwl_present_event *event)
+{
+ xwl_present_release_pixmap(event);
+ xorg_list_del(&event->vblank.event_queue);
+ present_vblank_destroy(&event->vblank);
+}
+
+static void
+xwl_present_free_idle_vblank(present_vblank_ptr vblank)
+{
+ present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence);
+ xwl_present_free_event(xwl_present_event_from_id((uintptr_t)vblank));
+}
+
+static WindowPtr
+xwl_present_toplvl_pixmap_window(WindowPtr window)
+{
+ ScreenPtr screen = window->drawable.pScreen;
+ PixmapPtr pixmap = (*screen->GetWindowPixmap)(window);
+ WindowPtr w = window;
+ WindowPtr next_w;
+
+ while(w->parent) {
+ next_w = w->parent;
+ if ( (*screen->GetWindowPixmap)(next_w) != pixmap) {
+ break;
+ }
+ w = next_w;
+ }
+ return w;
+}
+
+static void
+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_id((uintptr_t)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;
+ struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window);
+
+ 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_id((uintptr_t)xwl_present_window->flip_active);
+
+ if (!event->pixmap)
+ 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;
+
+ present_vblank_notify(vblank, PresentCompleteKindPixmap, PresentCompleteModeFlip, 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;
+ }
+
+ /* 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);
+
+ /* 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;
+ 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(event_id);
+
+ 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)
+{
+ glamor_block_handler(window->drawable.pScreen);
+}
+
+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;
+
+ 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;
+
+ /* 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;
+
+ if (!xwl_glamor_check_flip(pixmap))
+ 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->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->window->winSize, &present_window->winSize))
+ return FALSE;
+
+ 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(WindowPtr present_window,
+ RRCrtcPtr crtc,
+ uint64_t event_id,
+ PixmapPtr pixmap,
+ Bool sync_flip,
+ RegionPtr damage)
+{
+ 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_id(event_id);
+
+ if (!xwl_window)
+ return FALSE;
+
+ buffer = xwl_glamor_pixmap_get_wl_buffer(pixmap);
+ if (!buffer) {
+ ErrorF("present: Error getting buffer\n");
+ return FALSE;
+ }
+
+ damage_box = RegionExtents(damage);
+
+ pixmap->refcnt++;
+
+ event->pixmap = pixmap;
+
+ xwl_pixmap_set_buffer_release_cb(pixmap, xwl_present_buffer_release, event);
+
+ /* 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);
+
+ wl_surface_commit(xwl_window->surface);
+
+ if (!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);
+ xwl_window->present_flipped = TRUE;
+ return TRUE;
+}
+
+/*
+ * 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);
+
+ xorg_list_del(&vblank->event_queue);
+
+ if (present_execute_wait(vblank, crtc_msc))
+ return;
+
+ if (flip_pending && vblank->flip && vblank->pixmap && vblank->window) {
+ DebugPresent(("\tr %" PRIu64 " %p (pending %p)\n",
+ vblank->event_id, vblank, flip_pending));
+ xorg_list_append(&vblank->event_queue, &xwl_present_window->flip_queue);
+ vblank->flip_ready = TRUE;
+ return;
+ }
+
+ vblank->queued = FALSE;
+
+ if (vblank->pixmap && vblank->window) {
+ ScreenPtr screen = window->drawable.pScreen;
+
+ 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->window, vblank->crtc, vblank->event_id,
+ vblank->pixmap, vblank->sync_flip, damage)) {
+ WindowPtr toplvl_window = xwl_present_toplvl_pixmap_window(vblank->window);
+ PixmapPtr old_pixmap = screen->GetWindowPixmap(window);
+
+ /* Replace window pixmap with flip pixmap */
+#ifdef COMPOSITE
+ vblank->pixmap->screen_x = old_pixmap->screen_x;
+ vblank->pixmap->screen_y = old_pixmap->screen_y;
+#endif
+ present_set_tree_pixmap(toplvl_window, old_pixmap, vblank->pixmap);
+ vblank->pixmap->refcnt++;
+ dixDestroyPixmap(old_pixmap, old_pixmap->drawable.id);
+
+ /* Report damage */
+ DamageDamageRegion(&vblank->window->drawable, damage);
+ RegionDestroy(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);
+
+ return;
+ }
+
+ vblank->flip = FALSE;
+ }
+ 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);
+
+ /* Clear the pixmap field, so this will fall through to present_execute_post next time */
+ dixDestroyPixmap(vblank->pixmap, vblank->pixmap->drawable.id);
+ vblank->pixmap = NULL;
+
+ if (xwl_present_queue_vblank(screen, window, vblank->crtc,
+ vblank->event_id, crtc_msc + 1)
+ == 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,
+ uint32_t options,
+ uint64_t target_window_msc,
+ uint64_t divisor,
+ uint64_t remainder,
+ present_notify_ptr notifies,
+ int num_notifies)
+{
+ uint64_t ust = 0;
+ uint64_t target_msc;
+ uint64_t crtc_msc = 0;
+ int ret;
+ present_vblank_ptr vblank, tmp;
+ 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_present_event *event;
+
+ if (!window_priv)
+ return BadAlloc;
+
+ 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);
+
+ /*
+ * Look for a matching presentation already on the list...
+ */
+
+ if (!update && pixmap) {
+ xorg_list_for_each_entry_safe(vblank, tmp, &window_priv->vblank, window_list) {
+
+ if (!vblank->pixmap)
+ continue;
+
+ if (!vblank->queued)
+ continue;
+
+ if (vblank->target_msc != target_msc)
+ continue;
+
+ present_vblank_scrap(vblank);
+ if (vblank->flip_ready)
+ xwl_present_re_execute(vblank);
+ }
+ }
+
+ 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, options, XWL_PRESENT_CAPS,
+ notifies, num_notifies, target_msc, crtc_msc)) {
+ present_vblank_destroy(vblank);
+ return BadAlloc;
+ }
+
+ vblank->event_id = (uintptr_t)event;
+
+ /* Xwayland presentations always complete (at least) one frame after they
+ * are executed
+ */
+ vblank->exec_msc = vblank->target_msc - 1;
+
+ 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_init(ScreenPtr screen)
+{
+ struct xwl_screen *xwl_screen = xwl_screen_get(screen);
+ present_screen_priv_ptr screen_priv;
+
+ if (!xwl_screen->glamor || !xwl_screen->egl_backend)
+ return FALSE;
+
+ 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;
+
+ 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->re_execute = xwl_present_re_execute;
+
+ screen_priv->abort_vblank = xwl_present_abort_vblank;
+
+ return TRUE;
+}
--
2.37.1
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