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authormarha <marha@users.sourceforge.net>2013-11-07 08:23:50 +0100
committermarha <marha@users.sourceforge.net>2013-11-07 08:23:50 +0100
commit51c3a4e7b08aa904ff2af52a9f6f7adc748b361f (patch)
tree38fa447dc8970b83becb4d35487d2bb2e565301b /xorg-server/present/present.c
parentd79b6645eb21ca82d506ef038b8ea71a1e431f3f (diff)
parent31fd4c5654595a4763e492e4ec26f66ca3a8a405 (diff)
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Merge remote-tracking branch 'origin/released'
* origin/released: libxtrans fontconfig mesa xserver pixman xkbcomp git update 4 nov 2013 Conflicts: xorg-server/Xext/shm.c xorg-server/os/xstrans.c
Diffstat (limited to 'xorg-server/present/present.c')
-rw-r--r--xorg-server/present/present.c775
1 files changed, 775 insertions, 0 deletions
diff --git a/xorg-server/present/present.c b/xorg-server/present/present.c
new file mode 100644
index 000000000..4c97ce40c
--- /dev/null
+++ b/xorg-server/present/present.c
@@ -0,0 +1,775 @@
+/*
+ * Copyright © 2013 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "present_priv.h"
+#include <gcstruct.h>
+#include <misync.h>
+#include <misyncstr.h>
+#ifdef MONOTONIC_CLOCK
+#include <time.h>
+#endif
+
+static uint64_t present_event_id;
+static struct xorg_list present_exec_queue;
+static struct xorg_list present_flip_queue;
+
+#if 0
+#define DebugPresent(x) ErrorF x
+#else
+#define DebugPresent(x)
+#endif
+
+/*
+ * Copies the update region from a pixmap to the target drawable
+ */
+static void
+present_copy_region(DrawablePtr drawable,
+ PixmapPtr pixmap,
+ RegionPtr update,
+ int16_t x_off,
+ int16_t y_off)
+{
+ ScreenPtr screen = drawable->pScreen;
+ GCPtr gc;
+
+ gc = GetScratchGC(drawable->depth, screen);
+ if (update) {
+ ChangeGCVal changes[2];
+
+ changes[0].val = x_off;
+ changes[1].val = y_off;
+ ChangeGC(serverClient, gc,
+ GCClipXOrigin|GCClipYOrigin,
+ changes);
+ (*gc->funcs->ChangeClip)(gc, CT_REGION, update, 0);
+ }
+ ValidateGC(drawable, gc);
+ (*gc->ops->CopyArea)(&pixmap->drawable,
+ drawable,
+ gc,
+ 0, 0,
+ pixmap->drawable.width, pixmap->drawable.height,
+ x_off, y_off);
+ if (update)
+ (*gc->funcs->ChangeClip)(gc, CT_NONE, NULL, 0);
+ FreeScratchGC(gc);
+}
+
+static Bool
+present_check_flip(RRCrtcPtr crtc,
+ WindowPtr window,
+ PixmapPtr pixmap,
+ Bool sync_flip,
+ RegionPtr valid,
+ int16_t x_off,
+ int16_t y_off)
+{
+ ScreenPtr screen = window->drawable.pScreen;
+ WindowPtr root = screen->root;
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ if (!screen_priv)
+ return FALSE;
+
+ if (!screen_priv->info)
+ return FALSE;
+
+ if (!crtc)
+ return FALSE;
+
+ /* Check to see if the driver supports flips at all */
+ if (!screen_priv->info->flip)
+ return FALSE;
+
+ /* Can't pend a flip while unflipping */
+ if (screen_priv->unflip_event_id) {
+ return FALSE;
+ }
+
+ /* Can't have two pending flips at the same time */
+ if (screen_priv->flip_pending) {
+ return FALSE;
+ }
+
+ /* Make sure the window hasn't been redirected with Composite */
+ if (screen->GetWindowPixmap(window) != screen->GetScreenPixmap(screen))
+ return FALSE;
+
+ /* Check for full-screen window */
+ if (!RegionEqual(&window->clipList, &root->winSize)) {
+ return FALSE;
+ }
+
+ /* Source pixmap must align with window exactly */
+ if (x_off || y_off) {
+ return FALSE;
+ }
+
+ /* Make sure the area marked as valid fills the screen */
+ if (valid && !RegionEqual(valid, &root->winSize)) {
+ return FALSE;
+ }
+
+ /* Does the window match the pixmap exactly? */
+ if (window->drawable.x != 0 || window->drawable.y != 0 ||
+#ifdef COMPOSITE
+ window->drawable.x != pixmap->screen_x || window->drawable.y != pixmap->screen_y ||
+#endif
+ window->drawable.width != pixmap->drawable.width ||
+ window->drawable.height != pixmap->drawable.height) {
+ return FALSE;
+ }
+
+ /* Ask the driver for permission */
+ if (screen_priv->info->check_flip) {
+ if (!(*screen_priv->info->check_flip) (crtc, window, pixmap, sync_flip)) {
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+static Bool
+present_flip(RRCrtcPtr crtc,
+ uint64_t event_id,
+ uint64_t target_msc,
+ PixmapPtr pixmap,
+ Bool sync_flip)
+{
+ ScreenPtr screen = crtc->pScreen;
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ return (*screen_priv->info->flip) (crtc, event_id, target_msc, pixmap, sync_flip);
+}
+
+static void
+present_vblank_notify(present_vblank_ptr vblank, CARD8 kind, CARD8 mode, uint64_t ust, uint64_t crtc_msc)
+{
+ int n;
+
+ present_send_complete_notify(vblank->window, kind, mode, vblank->serial, ust, crtc_msc - vblank->msc_offset);
+ for (n = 0; n < vblank->num_notifies; n++) {
+ WindowPtr window = vblank->notifies[n].window;
+ CARD32 serial = vblank->notifies[n].serial;
+
+ if (window)
+ present_send_complete_notify(window, kind, mode, serial, ust, crtc_msc - vblank->msc_offset);
+ }
+}
+
+static void
+present_pixmap_idle(PixmapPtr pixmap, WindowPtr window, CARD32 serial, struct present_fence *present_fence)
+{
+ present_fence_set_triggered(present_fence);
+ present_send_idle_notify(window, serial, pixmap, present_fence);
+}
+
+RRCrtcPtr
+present_get_crtc(WindowPtr window)
+{
+ ScreenPtr screen = window->drawable.pScreen;
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ if (!screen_priv)
+ return NULL;
+
+ if (!screen_priv->info)
+ return NULL;
+
+ return (*screen_priv->info->get_crtc)(window);
+}
+
+uint32_t
+present_query_capabilities(RRCrtcPtr crtc)
+{
+ present_screen_priv_ptr screen_priv;
+
+ if (!crtc)
+ return 0;
+
+ screen_priv = present_screen_priv(crtc->pScreen);
+
+ if (!screen_priv)
+ return 0;
+
+ if (!screen_priv->info)
+ return 0;
+
+ return screen_priv->info->capabilities;
+}
+
+static int
+present_get_ust_msc(WindowPtr window, RRCrtcPtr crtc, uint64_t *ust, uint64_t *msc)
+{
+ ScreenPtr screen = window->drawable.pScreen;
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ if (crtc == NULL)
+ return present_fake_get_ust_msc(screen, ust, msc);
+ else
+ return (*screen_priv->info->get_ust_msc)(crtc, ust, msc);
+}
+
+static void
+present_flush(WindowPtr window)
+{
+ ScreenPtr screen = window->drawable.pScreen;
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ if (!screen_priv)
+ return;
+
+ if (!screen_priv->info)
+ return;
+
+ (*screen_priv->info->flush) (window);
+}
+
+static int
+present_queue_vblank(ScreenPtr screen,
+ RRCrtcPtr crtc,
+ uint64_t event_id,
+ uint64_t msc)
+{
+ Bool ret;
+
+ if (crtc == NULL)
+ ret = present_fake_queue_vblank(screen, event_id, msc);
+ else
+ {
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+ ret = (*screen_priv->info->queue_vblank) (crtc, event_id, msc);
+ }
+ return ret;
+}
+
+static uint64_t
+present_window_to_crtc_msc(WindowPtr window, RRCrtcPtr crtc, uint64_t window_msc, uint64_t new_msc)
+{
+ present_window_priv_ptr window_priv = present_get_window_priv(window, TRUE);
+
+ if (crtc != window_priv->crtc) {
+ uint64_t old_ust, old_msc;
+
+ /* The old CRTC may have been turned off, in which case
+ * we'll just use whatever previous MSC we'd seen from this CRTC
+ */
+
+ if (present_get_ust_msc(window, window_priv->crtc, &old_ust, &old_msc) != Success)
+ old_msc = window_priv->msc;
+
+ window_priv->msc_offset += new_msc - old_msc;
+ window_priv->crtc = crtc;
+ }
+
+ return window_msc + window_priv->msc_offset;
+}
+
+static void
+present_flip_idle(ScreenPtr screen)
+{
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ if (screen_priv->flip_pixmap) {
+ present_pixmap_idle(screen_priv->flip_pixmap, screen_priv->flip_window,
+ screen_priv->flip_serial, screen_priv->flip_idle_fence);
+ present_fence_destroy(screen_priv->flip_idle_fence);
+ dixDestroyPixmap(screen_priv->flip_pixmap, screen_priv->flip_pixmap->drawable.id);
+ screen_priv->flip_crtc = NULL;
+ screen_priv->flip_window = NULL;
+ screen_priv->flip_serial = 0;
+ screen_priv->flip_pixmap = NULL;
+ screen_priv->flip_idle_fence = NULL;
+ }
+}
+
+static void
+present_unflip(ScreenPtr screen)
+{
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ assert (!screen_priv->unflip_event_id);
+ assert (!screen_priv->flip_pending);
+
+ /* Update the screen pixmap with the current flip pixmap contents
+ */
+ if (screen_priv->flip_pixmap) {
+ present_copy_region(&screen->GetScreenPixmap(screen)->drawable,
+ screen_priv->flip_pixmap,
+ NULL, 0, 0);
+ }
+ screen_priv->unflip_event_id = ++present_event_id;
+ DebugPresent(("u %lld\n", screen_priv->unflip_event_id));
+ (*screen_priv->info->unflip) (screen, screen_priv->unflip_event_id);
+}
+
+static void
+present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc);
+
+static void
+present_flip_notify(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
+{
+ WindowPtr window = vblank->window;
+ ScreenPtr screen = window->drawable.pScreen;
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ DebugPresent(("\tn %p %8lld: %08lx -> %08lx\n", vblank, vblank->target_msc,
+ vblank->pixmap ? vblank->pixmap->drawable.id : 0,
+ vblank->window->drawable.id));
+
+ assert (vblank == screen_priv->flip_pending);
+
+ present_flip_idle(screen);
+
+ /* Transfer reference for pixmap and fence from vblank to screen_priv */
+ screen_priv->flip_crtc = vblank->crtc;
+ screen_priv->flip_window = vblank->window;
+ screen_priv->flip_serial = vblank->serial;
+ screen_priv->flip_pixmap = vblank->pixmap;
+ screen_priv->flip_idle_fence = vblank->idle_fence;
+
+ vblank->pixmap = NULL;
+ vblank->idle_fence = NULL;
+
+ screen_priv->flip_pending = NULL;
+
+ if (vblank->abort_flip)
+ present_unflip(screen);
+
+ if (!vblank->window_destroyed)
+ present_vblank_notify(vblank, PresentCompleteKindPixmap, PresentCompleteModeFlip, ust, crtc_msc);
+ present_vblank_destroy(vblank);
+}
+
+void
+present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc)
+{
+ present_vblank_ptr vblank, tmp;
+ int s;
+
+ xorg_list_for_each_entry_safe(vblank, tmp, &present_exec_queue, event_queue) {
+ if (vblank->event_id == event_id) {
+ xorg_list_del(&vblank->event_queue);
+ present_execute(vblank, ust, msc);
+ return;
+ }
+ }
+ xorg_list_for_each_entry_safe(vblank, tmp, &present_flip_queue, event_queue) {
+ if (vblank->event_id == event_id) {
+ xorg_list_del(&vblank->event_queue);
+ present_flip_notify(vblank, ust, msc);
+ return;
+ }
+ }
+
+ for (s = 0; s < screenInfo.numScreens; s++) {
+ ScreenPtr screen = screenInfo.screens[s];
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ if (event_id == screen_priv->unflip_event_id) {
+ DebugPresent(("\tun %lld\n", event_id));
+ screen_priv->unflip_event_id = 0;
+ present_flip_idle(screen);
+ }
+ }
+}
+
+/*
+ * 'window' is being reconfigured. Check to see if it is involved
+ * in flipping and clean up as necessary
+ */
+void
+present_check_flip_window (WindowPtr window)
+{
+ ScreenPtr screen = window->drawable.pScreen;
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+ present_window_priv_ptr window_priv = present_window_priv(window);
+ present_vblank_ptr flip_pending = screen_priv->flip_pending;
+ present_vblank_ptr vblank;
+
+ /* If this window hasn't ever been used with Present, it can't be
+ * flipping
+ */
+ if (!window_priv)
+ return;
+
+ if (screen_priv->unflip_event_id)
+ return;
+
+ if (flip_pending) {
+ /*
+ * Check pending flip
+ */
+ if (flip_pending->window == window) {
+ if (!present_check_flip(flip_pending->crtc, window, flip_pending->pixmap,
+ flip_pending->sync_flip, NULL, 0, 0))
+ flip_pending->abort_flip = TRUE;
+ }
+ } else {
+ /*
+ * Check current flip
+ */
+ if (window == screen_priv->flip_window) {
+ if (!present_check_flip(screen_priv->flip_crtc, window, screen_priv->flip_pixmap, FALSE, NULL, 0, 0))
+ present_unflip(screen);
+ }
+ }
+
+ /* Now check any queued vblanks */
+ xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) {
+ if (vblank->flip && !present_check_flip(vblank->crtc, window, vblank->pixmap, FALSE, NULL, 0, 0))
+ vblank->flip = FALSE;
+ }
+}
+
+/*
+ * Once the required MSC has been reached, execute the pending request.
+ *
+ * For requests to actually present something, either blt contents to
+ * the screen or queue a frame buffer swap.
+ *
+ * For requests to just get the current MSC/UST combo, skip that part and
+ * go straight to event delivery
+ */
+
+static void
+present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
+{
+ WindowPtr window = vblank->window;
+ present_screen_priv_ptr screen_priv = present_screen_priv(window->drawable.pScreen);
+
+ if (vblank->wait_fence) {
+ /* XXX check fence, queue if not ready */
+ }
+
+ xorg_list_del(&vblank->event_queue);
+ if (vblank->pixmap) {
+
+ if (vblank->flip && screen_priv->flip_pending == NULL && !screen_priv->unflip_event_id) {
+
+ DebugPresent(("\tf %p %8lld: %08lx -> %08lx\n", vblank, crtc_msc, vblank->pixmap->drawable.id, vblank->window->drawable.id));
+ /* Prepare to flip by removing from the window/screen lists
+ * and sticking it into the flip_pending field
+ */
+ screen_priv->flip_pending = vblank;
+ xorg_list_del(&vblank->window_list);
+
+ xorg_list_add(&vblank->event_queue, &present_flip_queue);
+ /* Try to flip
+ */
+ if (present_flip(vblank->crtc, vblank->event_id, vblank->target_msc, vblank->pixmap, vblank->sync_flip))
+ return;
+
+ xorg_list_del(&vblank->event_queue);
+ /* Oops, flip failed. Clear the flip_pending field
+ */
+ screen_priv->flip_pending = NULL;
+ vblank->flip = FALSE;
+ }
+ DebugPresent(("\tc %p %8lld: %08lx -> %08lx\n", vblank, crtc_msc, vblank->pixmap->drawable.id, vblank->window->drawable.id));
+ if (screen_priv->flip_pending) {
+
+ /* Check pending flip
+ */
+ if (window == screen_priv->flip_pending->window)
+ screen_priv->flip_pending->abort_flip = TRUE;
+ } else if (!screen_priv->unflip_event_id) {
+
+ /* Check current flip
+ */
+ if (window == screen_priv->flip_window)
+ present_unflip(window->drawable.pScreen);
+ }
+ present_copy_region(&window->drawable, vblank->pixmap, vblank->update, vblank->x_off, vblank->y_off);
+
+ /* present_copy_region sticks the region into a scratch GC,
+ * which is then freed, freeing the region
+ */
+ vblank->update = NULL;
+ present_flush(window);
+
+ present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence);
+ }
+ present_vblank_notify(vblank, vblank->kind, PresentCompleteModeCopy, ust, crtc_msc);
+ present_vblank_destroy(vblank);
+}
+
+int
+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 window_msc,
+ uint64_t divisor,
+ uint64_t remainder,
+ present_notify_ptr notifies,
+ int num_notifies)
+{
+ uint64_t ust;
+ uint64_t target_msc;
+ uint64_t crtc_msc;
+ 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);
+
+ if (!window_priv)
+ return BadAlloc;
+
+ if (!target_crtc) {
+ /* Update the CRTC if we have a pixmap or we don't have a CRTC
+ */
+ if (!pixmap)
+ target_crtc = window_priv->crtc;
+
+ if (!target_crtc)
+ target_crtc = present_get_crtc(window);
+ }
+
+ present_get_ust_msc(window, target_crtc, &ust, &crtc_msc);
+
+ target_msc = present_window_to_crtc_msc(window, target_crtc, window_msc, crtc_msc);
+
+ /* Stash the current MSC away in case we need it later
+ */
+ window_priv->msc = crtc_msc;
+
+ /* Adjust target_msc to match modulus
+ */
+ if (crtc_msc >= target_msc) {
+ if (divisor != 0) {
+ target_msc = crtc_msc - (crtc_msc % divisor) + remainder;
+ if (target_msc <= crtc_msc)
+ target_msc += divisor;
+ } else
+ target_msc = crtc_msc;
+ }
+
+ /*
+ * Look for a matching presentation already on the list and
+ * don't bother doing the previous one if this one will overwrite it
+ * in the same frame
+ */
+
+ if (!update) {
+ xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) {
+
+ if (!vblank->pixmap)
+ continue;
+
+ if (vblank->crtc != target_crtc || vblank->target_msc != target_msc)
+ continue;
+
+ present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence);
+ present_fence_destroy(vblank->idle_fence);
+ dixDestroyPixmap(vblank->pixmap, vblank->pixmap->drawable.id);
+
+ vblank->pixmap = NULL;
+ vblank->idle_fence = NULL;
+ }
+ }
+
+ vblank = calloc (1, sizeof (present_vblank_rec));
+ if (!vblank)
+ return BadAlloc;
+
+ xorg_list_append(&vblank->window_list, &window_priv->vblank);
+ xorg_list_init(&vblank->event_queue);
+
+ vblank->screen = screen;
+ vblank->window = window;
+ vblank->pixmap = pixmap;
+ vblank->event_id = ++present_event_id;
+ if (pixmap) {
+ vblank->kind = PresentCompleteKindPixmap;
+ pixmap->refcnt++;
+ } else
+ vblank->kind = PresentCompleteKindNotifyMSC;
+
+ vblank->serial = serial;
+
+ if (valid) {
+ vblank->valid = RegionDuplicate(valid);
+ if (!vblank->valid)
+ goto no_mem;
+ }
+ if (update) {
+ vblank->update = RegionDuplicate(update);
+ if (!vblank->update)
+ goto no_mem;
+ }
+
+ vblank->x_off = x_off;
+ vblank->y_off = y_off;
+ vblank->target_msc = target_msc;
+ vblank->crtc = target_crtc;
+ vblank->msc_offset = window_priv->msc_offset;
+ vblank->notifies = notifies;
+ vblank->num_notifies = num_notifies;
+
+ if (!screen_priv->info || !(screen_priv->info->capabilities & PresentCapabilityAsync))
+ vblank->sync_flip = TRUE;
+
+ if (pixmap && present_check_flip (target_crtc, window, pixmap, vblank->sync_flip, valid, x_off, y_off)) {
+ vblank->flip = TRUE;
+ if (vblank->sync_flip)
+ target_msc--;
+ }
+
+ if (idle_fence) {
+ vblank->idle_fence = present_fence_create(idle_fence);
+ if (!vblank->idle_fence)
+ goto no_mem;
+ }
+
+ if (pixmap)
+ DebugPresent(("q %p %8lld: %08lx -> %08lx (crtc %d)\n",
+ vblank, target_msc, vblank->pixmap->drawable.id, vblank->window->drawable.id, target_crtc ? 1 : 0));
+
+ xorg_list_add(&vblank->event_queue, &present_exec_queue);
+ if (target_msc >= crtc_msc) {
+ ret = present_queue_vblank(screen, target_crtc, vblank->event_id, target_msc);
+ if (ret != Success) {
+ xorg_list_del(&vblank->event_queue);
+ goto failure;
+ }
+ } else
+ present_execute(vblank, ust, crtc_msc);
+
+ return Success;
+
+no_mem:
+ ret = BadAlloc;
+failure:
+ vblank->notifies = NULL;
+ present_vblank_destroy(vblank);
+ return ret;
+}
+
+void
+present_abort_vblank(ScreenPtr screen, RRCrtcPtr crtc, uint64_t event_id, uint64_t msc)
+{
+ present_vblank_ptr vblank, tmp;
+
+ if (crtc == NULL)
+ present_fake_abort_vblank(screen, event_id, msc);
+ else
+ {
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ (*screen_priv->info->abort_vblank) (crtc, event_id, msc);
+ }
+
+ xorg_list_for_each_entry_safe(vblank, tmp, &present_exec_queue, event_queue) {
+ if (vblank->event_id == event_id) {
+ xorg_list_del(&vblank->event_queue);
+ return;
+ }
+ }
+ xorg_list_for_each_entry_safe(vblank, tmp, &present_flip_queue, event_queue) {
+ if (vblank->event_id == event_id) {
+ xorg_list_del(&vblank->event_queue);
+ return;
+ }
+ }
+}
+
+int
+present_notify_msc(WindowPtr window,
+ CARD32 serial,
+ uint64_t target_msc,
+ uint64_t divisor,
+ uint64_t remainder)
+{
+ return present_pixmap(window,
+ NULL,
+ serial,
+ NULL, NULL,
+ 0, 0,
+ NULL,
+ NULL, NULL,
+ 0,
+ target_msc, divisor, remainder, NULL, 0);
+}
+
+void
+present_flip_destroy(ScreenPtr screen)
+{
+ present_screen_priv_ptr screen_priv = present_screen_priv(screen);
+
+ /* XXX this needs to be synchronous for server reset */
+
+ /* Do the actual cleanup once the flip has been performed by the hardware */
+ if (screen_priv->flip_pending)
+ screen_priv->flip_pending->abort_flip = TRUE;
+}
+
+void
+present_vblank_destroy(present_vblank_ptr vblank)
+{
+ /* Remove vblank from window and screen lists */
+ xorg_list_del(&vblank->window_list);
+
+ DebugPresent(("\td %p %8lld: %08lx -> %08lx\n", vblank, vblank->target_msc,
+ vblank->pixmap ? vblank->pixmap->drawable.id : 0,
+ vblank->window->drawable.id));
+
+ /* Drop pixmap reference */
+ if (vblank->pixmap)
+ dixDestroyPixmap(vblank->pixmap, vblank->pixmap->drawable.id);
+
+ /* Free regions */
+ if (vblank->valid)
+ RegionDestroy(vblank->valid);
+ if (vblank->update)
+ RegionDestroy(vblank->update);
+
+ if (vblank->idle_fence)
+ present_fence_destroy(vblank->idle_fence);
+
+ if (vblank->notifies)
+ present_destroy_notifies(vblank->notifies, vblank->num_notifies);
+
+ free(vblank);
+}
+
+Bool
+present_init(void)
+{
+ xorg_list_init(&present_exec_queue);
+ xorg_list_init(&present_flip_queue);
+ present_fake_queue_init();
+ return TRUE;
+}