/* * 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 #include #include #include "xwayland-present.h" #include "xwayland-screen.h" #include "xwayland-window.h" #include "xwayland-pixmap.h" #include "glamor.h" /* * 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 uint64_t present_wnmd_event_id; 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->release_list); xorg_list_init(&xwl_present_window->exec_queue); 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 void xwl_present_free_timer(struct xwl_present_window *xwl_present_window) { TimerFree(xwl_present_window->frame_timer); xwl_present_window->frame_timer = NULL; } static CARD32 xwl_present_timer_callback(OsTimerPtr timer, CARD32 time, void *arg); static inline Bool xwl_present_has_pending_events(struct xwl_present_window *xwl_present_window) { return !!xwl_present_window->sync_flip || !xorg_list_is_empty(&xwl_present_window->wait_list); } static void xwl_present_reset_timer(struct xwl_present_window *xwl_present_window) { if (xwl_present_has_pending_events(xwl_present_window)) { CARD32 timeout; if (!xorg_list_is_empty(&xwl_present_window->frame_callback_list)) timeout = TIMER_LEN_FLIP; else timeout = TIMER_LEN_COPY; 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 present_wnmd_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc); static int present_wnmd_queue_vblank(ScreenPtr screen, WindowPtr window, RRCrtcPtr crtc, uint64_t event_id, uint64_t msc) { present_screen_priv_ptr screen_priv = present_screen_priv(screen); return (*screen_priv->wnmd_info->queue_vblank) (window, crtc, event_id, msc); } static uint32_t present_wnmd_query_capabilities(present_screen_priv_ptr screen_priv) { return screen_priv->wnmd_info->capabilities; } static RRCrtcPtr present_wnmd_get_crtc(present_screen_priv_ptr screen_priv, WindowPtr window) { return (*screen_priv->wnmd_info->get_crtc)(window); } static int present_wnmd_get_ust_msc(ScreenPtr screen, WindowPtr window, uint64_t *ust, uint64_t *msc) { present_screen_priv_ptr screen_priv = present_screen_priv(screen); return (*screen_priv->wnmd_info->get_ust_msc)(window, ust, msc); } /* * When the wait fence or previous flip is completed, it's time * to re-try the request */ static void present_wnmd_re_execute(present_vblank_ptr vblank) { uint64_t ust = 0, crtc_msc = 0; (void) present_wnmd_get_ust_msc(vblank->screen, vblank->window, &ust, &crtc_msc); present_wnmd_execute(vblank, ust, crtc_msc); } static void present_wnmd_flip_try_ready(WindowPtr window) { struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window); present_vblank_ptr vblank; xorg_list_for_each_entry(vblank, &xwl_present_window->flip_queue, event_queue) { if (vblank->queued) { present_wnmd_re_execute(vblank); return; } } } static void present_wnmd_free_idle_vblank(present_vblank_ptr vblank) { present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence); present_vblank_destroy(vblank); } /* * Free any left over idle vblanks */ static void present_wnmd_free_idle_vblanks(WindowPtr window) { struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window); present_vblank_ptr vblank, tmp; xorg_list_for_each_entry_safe(vblank, tmp, &xwl_present_window->idle_queue, event_queue) { present_wnmd_free_idle_vblank(vblank); } if (xwl_present_window->flip_active) { present_wnmd_free_idle_vblank(xwl_present_window->flip_active); xwl_present_window->flip_active = NULL; } } static WindowPtr present_wnmd_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 present_wnmd_flips_stop(WindowPtr window) { struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window); present_screen_priv_ptr screen_priv = present_screen_priv(window->drawable.pScreen); assert (!xwl_present_window->flip_pending); (*screen_priv->wnmd_info->flips_stop) (window); present_wnmd_free_idle_vblanks(window); present_wnmd_flip_try_ready(window); } static void present_wnmd_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 == xwl_present_window->flip_pending); xorg_list_del(&vblank->event_queue); if (xwl_present_window->flip_active) { if (xwl_present_window->flip_active->flip_idler) present_wnmd_free_idle_vblank(xwl_present_window->flip_active); 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; xwl_present_window->flip_pending = NULL; present_vblank_notify(vblank, PresentCompleteKindPixmap, PresentCompleteModeFlip, ust, crtc_msc); if (vblank->abort_flip) present_wnmd_flips_stop(window); present_wnmd_flip_try_ready(window); } static void present_wnmd_event_notify(WindowPtr window, uint64_t event_id, uint64_t ust, uint64_t msc) { 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 vblank; if (!window_priv) return; if (!event_id) return; DebugPresent(("\te %" PRIu64 " ust %" PRIu64 " msc %" PRIu64 "\n", event_id, ust, msc)); xorg_list_for_each_entry(vblank, &xwl_present_window->exec_queue, event_queue) { if (event_id == vblank->event_id) { present_wnmd_execute(vblank, ust, msc); return; } } xorg_list_for_each_entry(vblank, &xwl_present_window->flip_queue, event_queue) { if (vblank->event_id == event_id) { assert(vblank->queued); present_wnmd_execute(vblank, ust, msc); return; } } /* Copies which were executed but need their completion event sent */ xorg_list_for_each_entry(vblank, &xwl_present_window->idle_queue, event_queue) { if (vblank->event_id == event_id) { present_execute_post(vblank, ust, msc); return; } } } static void present_wnmd_flip_notify(WindowPtr window, uint64_t event_id, uint64_t ust, uint64_t msc) { struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window); present_vblank_ptr vblank; xorg_list_for_each_entry(vblank, &xwl_present_window->flip_queue, event_queue) { if (vblank->event_id == event_id) { assert(!vblank->queued); assert(vblank->window); present_wnmd_flip_notify_vblank(vblank, ust, msc); return; } } } static void present_wnmd_idle_notify(WindowPtr window, uint64_t event_id) { struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window); present_vblank_ptr vblank; if (xwl_present_window->flip_active && xwl_present_window->flip_active->event_id == event_id) { /* Active flip is allowed to become idle directly when it becomes unactive again. */ xwl_present_window->flip_active->flip_idler = TRUE; return; } xorg_list_for_each_entry(vblank, &xwl_present_window->idle_queue, event_queue) { if (vblank->event_id == event_id) { present_wnmd_free_idle_vblank(vblank); return; } } xorg_list_for_each_entry(vblank, &xwl_present_window->flip_queue, event_queue) { if (vblank->event_id == event_id) { vblank->flip_idler = TRUE; return; } } } static Bool present_wnmd_check_flip(RRCrtcPtr crtc, WindowPtr window, PixmapPtr pixmap, Bool sync_flip, RegionPtr valid, int16_t x_off, int16_t y_off, PresentFlipReason *reason) { ScreenPtr screen = window->drawable.pScreen; present_screen_priv_ptr screen_priv = present_screen_priv(screen); WindowPtr toplvl_window = present_wnmd_toplvl_pixmap_window(window); if (reason) *reason = PRESENT_FLIP_REASON_UNKNOWN; if (!screen_priv) return FALSE; if (!screen_priv->wnmd_info) return FALSE; if (!crtc) return FALSE; /* Check to see if the driver supports flips at all */ if (!screen_priv->wnmd_info->flip) 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 (window->drawable.width != pixmap->drawable.width || window->drawable.height != pixmap->drawable.height) return FALSE; /* Window must be same region as toplevel window */ if ( !RegionEqual(&window->winSize, &toplvl_window->winSize) ) return FALSE; /* Can't flip if window clipped by children */ if (!RegionEqual(&window->clipList, &window->winSize)) return FALSE; /* Ask the driver for permission */ if (screen_priv->wnmd_info->check_flip2) { if (!(*screen_priv->wnmd_info->check_flip2) (crtc, window, pixmap, sync_flip, reason)) { DebugPresent(("\td %08" PRIx32 " -> %08" PRIx32 "\n", window->drawable.id, pixmap ? pixmap->drawable.id : 0)); return FALSE; } } return TRUE; } /* * 'window' is being reconfigured. Check to see if it is involved * in flipping and clean up as necessary. */ static void present_wnmd_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_window->flip_pending; flip_active = xwl_present_window->flip_active; if (flip_pending) { if (!present_wnmd_check_flip(flip_pending->crtc, flip_pending->window, flip_pending->pixmap, flip_pending->sync_flip, flip_pending->valid, 0, 0, NULL)) xwl_present_window->flip_pending->abort_flip = TRUE; } else if (flip_active) { if (!present_wnmd_check_flip(flip_active->crtc, flip_active->window, flip_active->pixmap, flip_active->sync_flip, flip_active->valid, 0, 0, NULL)) present_wnmd_flips_stop(window); } /* Now check any queued vblanks */ xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) { if (vblank->queued && vblank->flip && !present_wnmd_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 present_wnmd_clear_window_flip(WindowPtr window) { struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(window); present_vblank_ptr vblank, tmp; xorg_list_for_each_entry_safe(vblank, tmp, &xwl_present_window->flip_queue, event_queue) { present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence); present_vblank_destroy(vblank); } xorg_list_for_each_entry_safe(vblank, tmp, &xwl_present_window->idle_queue, event_queue) { present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence); present_vblank_destroy(vblank); } vblank = xwl_present_window->flip_active; if (vblank) { present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence); present_vblank_destroy(vblank); } xwl_present_window->flip_active = NULL; } static Bool present_wnmd_flip(WindowPtr window, RRCrtcPtr crtc, uint64_t event_id, uint64_t target_msc, PixmapPtr pixmap, Bool sync_flip, RegionPtr damage) { ScreenPtr screen = window->drawable.pScreen; present_screen_priv_ptr screen_priv = present_screen_priv(screen); return (*screen_priv->wnmd_info->flip) (window, crtc, event_id, target_msc, pixmap, sync_flip, damage); } static void present_wnmd_cancel_flip(WindowPtr window) { struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window); if (xwl_present_window->flip_pending) xwl_present_window->flip_pending->abort_flip = TRUE; else if (xwl_present_window->flip_active) present_wnmd_flips_stop(window); } /* * 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 present_wnmd_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_window_priv_ptr window_priv = present_window_priv(window); if (present_execute_wait(vblank, crtc_msc)) return; if (vblank->flip && vblank->pixmap && vblank->window) { if (xwl_present_window->flip_pending) { DebugPresent(("\tr %" PRIu64 " %p (pending %p)\n", vblank->event_id, vblank, xwl_present_window->flip_pending)); xorg_list_del(&vblank->event_queue); xorg_list_append(&vblank->event_queue, &xwl_present_window->flip_queue); vblank->flip_ready = TRUE; return; } } xorg_list_del(&vblank->event_queue); xorg_list_del(&vblank->window_list); 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)); /* Prepare to flip by placing it in the flip queue */ xorg_list_add(&vblank->event_queue, &xwl_present_window->flip_queue); /* 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); /* Try to flip - the vblank is now pending */ xwl_present_window->flip_pending = vblank; // ask the driver if (present_wnmd_flip(vblank->window, vblank->crtc, vblank->event_id, vblank->target_msc, vblank->pixmap, vblank->sync_flip, damage)) { WindowPtr toplvl_window = present_wnmd_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); return; } xorg_list_del(&vblank->event_queue); /* Flip failed. Clear the flip_pending field */ xwl_present_window->flip_pending = NULL; vblank->flip = FALSE; } DebugPresent(("\tc %p %" PRIu64 ": %08" PRIx32 " -> %08" PRIx32 "\n", vblank, crtc_msc, vblank->pixmap->drawable.id, vblank->window->drawable.id)); present_wnmd_cancel_flip(window); present_execute_copy(vblank, crtc_msc); assert(!vblank->queued); if (present_wnmd_queue_vblank(screen, window, vblank->crtc, vblank->event_id, crtc_msc + 1) == Success) { xorg_list_add(&vblank->event_queue, &xwl_present_window->idle_queue); xorg_list_append(&vblank->window_list, &window_priv->vblank); return; } } present_execute_post(vblank, ust, crtc_msc); } static void present_wnmd_update_window_crtc(WindowPtr window, RRCrtcPtr crtc, uint64_t new_msc) { present_window_priv_ptr window_priv = present_get_window_priv(window, TRUE); /* 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; } static int present_wnmd_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; struct xwl_present_window *xwl_present_window = xwl_present_window_get_priv(window); 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; target_crtc = present_wnmd_get_crtc(screen_priv, window); ret = present_wnmd_get_ust_msc(screen, window, &ust, &crtc_msc); present_wnmd_update_window_crtc(window, 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) present_wnmd_re_execute(vblank); } } vblank = present_vblank_create(window, pixmap, serial, valid, update, x_off, y_off, target_crtc, wait_fence, idle_fence, options, screen_priv->wnmd_info->capabilities, notifies, num_notifies, target_msc, crtc_msc); if (!vblank) return BadAlloc; vblank->event_id = ++present_wnmd_event_id; /* WNMD presentations always complete (at least) one frame after they * are executed */ vblank->exec_msc = vblank->target_msc - 1; xorg_list_append(&vblank->event_queue, &xwl_present_window->exec_queue); vblank->queued = TRUE; if (crtc_msc < vblank->exec_msc) { if (present_wnmd_queue_vblank(screen, window, target_crtc, vblank->event_id, vblank->exec_msc) == Success) { return Success; } DebugPresent(("present_queue_vblank failed\n")); } present_wnmd_execute(vblank, ust, crtc_msc); return Success; } static void present_wnmd_abort_vblank(ScreenPtr screen, WindowPtr window, RRCrtcPtr crtc, uint64_t event_id, uint64_t msc) { struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window); present_screen_priv_ptr screen_priv = present_screen_priv(screen); present_vblank_ptr vblank; (*screen_priv->wnmd_info->abort_vblank) (window, crtc, event_id, msc); xorg_list_for_each_entry(vblank, &xwl_present_window->exec_queue, event_queue) { if (vblank->event_id == event_id) { xorg_list_del(&vblank->event_queue); vblank->queued = FALSE; return; } } xorg_list_for_each_entry(vblank, &xwl_present_window->flip_queue, event_queue) { if (vblank->event_id == event_id) { xorg_list_del(&vblank->event_queue); vblank->queued = FALSE; return; } } } static void present_wnmd_flush(WindowPtr window) { ScreenPtr screen = window->drawable.pScreen; present_screen_priv_ptr screen_priv = present_screen_priv(screen); (*screen_priv->wnmd_info->flush) (window); } /* * Initialize a screen for use with present in window flip mode (wnmd) */ static int present_wnmd_screen_init(ScreenPtr screen, present_wnmd_info_ptr info) { 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; screen_priv->wnmd_info = info; screen_priv->query_capabilities = &present_wnmd_query_capabilities; screen_priv->get_crtc = &present_wnmd_get_crtc; screen_priv->check_flip = &present_wnmd_check_flip; screen_priv->check_flip_window = &present_wnmd_check_flip_window; screen_priv->clear_window_flip = &present_wnmd_clear_window_flip; screen_priv->present_pixmap = &present_wnmd_pixmap; screen_priv->queue_vblank = &present_wnmd_queue_vblank; screen_priv->flush = &present_wnmd_flush; screen_priv->re_execute = &present_wnmd_re_execute; screen_priv->abort_vblank = &present_wnmd_abort_vblank; return TRUE; } 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) { if (!event) return; xwl_present_release_pixmap(event); xorg_list_del(&event->list); free(event); } void xwl_present_cleanup(WindowPtr window) { struct xwl_present_window *xwl_present_window = xwl_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, &xwl_present_window->wait_list, list) xwl_present_free_event(event); xwl_present_free_event(xwl_present_window->sync_flip); xorg_list_for_each_entry_safe(event, tmp, &xwl_present_window->release_list, 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_event *event = data; if (!event) return; xwl_present_release_pixmap(event); if (!event->abort) present_wnmd_idle_notify(event->xwl_present_window->window, event->event_id); if (!event->pending) xwl_present_free_event(event); } static void xwl_present_msc_bump(struct xwl_present_window *xwl_present_window) { uint64_t msc = ++xwl_present_window->msc; struct xwl_present_event *event, *tmp; xwl_present_window->ust = GetTimeInMicros(); event = xwl_present_window->sync_flip; xwl_present_window->sync_flip = NULL; if (event) { event->pending = FALSE; present_wnmd_flip_notify(xwl_present_window->window, event->event_id, xwl_present_window->ust, msc); if (!event->pixmap) { /* If the buffer was already released, clean up now */ xwl_present_free_event(event); } else { xorg_list_add(&event->list, &xwl_present_window->release_list); } } xorg_list_for_each_entry_safe(event, tmp, &xwl_present_window->wait_list, list) { if (event->target_msc <= msc) { present_wnmd_event_notify(xwl_present_window->window, event->event_id, xwl_present_window->ust, msc); xwl_present_free_event(event); } } } 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) { struct xwl_present_event *event = data; struct xwl_present_window *xwl_present_window = event->xwl_present_window; wl_callback_destroy(xwl_present_window->sync_callback); xwl_present_window->sync_callback = NULL; event->pending = FALSE; if (!event->abort) present_wnmd_flip_notify(xwl_present_window->window, event->event_id, xwl_present_window->ust, xwl_present_window->msc); if (!event->pixmap) xwl_present_free_event(event); } static const struct wl_callback_listener xwl_present_sync_listener = { xwl_present_sync_callback }; static RRCrtcPtr xwl_present_get_crtc(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]; } static int xwl_present_get_ust_msc(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; } /* * Queue an event to report back to the Present extension when the specified * MSC has past */ static int xwl_present_queue_vblank(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; event = malloc(sizeof *event); if (!event) return BadAlloc; event->event_id = event_id; event->pixmap = NULL; event->xwl_present_window = xwl_present_window; event->target_msc = msc; xorg_list_append(&event->list, &xwl_present_window->wait_list); /* If there's a pending frame callback, use that */ if (xwl_window && xwl_window->frame_callback && 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(WindowPtr present_window, RRCrtcPtr crtc, uint64_t event_id, uint64_t msc) { struct xwl_present_window *xwl_present_window = xwl_present_window_priv(present_window); struct xwl_present_event *event, *tmp; if (!xwl_present_window) return; xorg_list_for_each_entry_safe(event, tmp, &xwl_present_window->wait_list, list) { if (event->event_id == event_id) { xwl_present_free_event(event); return; } } xorg_list_for_each_entry(event, &xwl_present_window->release_list, list) { if (event->event_id == event_id) { event->abort = TRUE; return; } } } static void xwl_present_flush(WindowPtr window) { glamor_block_handler(window->drawable.pScreen); } static Bool xwl_present_check_flip2(RRCrtcPtr crtc, WindowPtr present_window, PixmapPtr pixmap, Bool sync_flip, PresentFlipReason *reason) { struct xwl_window *xwl_window = xwl_window_from_window(present_window); ScreenPtr screen = pixmap->drawable.pScreen; if (!xwl_window) 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; } static Bool xwl_present_flip(WindowPtr present_window, RRCrtcPtr crtc, uint64_t event_id, uint64_t target_msc, 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; 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); event = malloc(sizeof *event); if (!event) return FALSE; pixmap->refcnt++; event->event_id = event_id; event->xwl_present_window = xwl_present_window; event->pixmap = pixmap; event->target_msc = target_msc; event->pending = TRUE; event->abort = FALSE; if (sync_flip) { xorg_list_init(&event->list); xwl_present_window->sync_flip = event; } else { xorg_list_add(&event->list, &xwl_present_window->release_list); } 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 (!xwl_window->frame_callback) xwl_window_create_frame_callback(xwl_window); 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); } /* Realign timer */ xwl_present_reset_timer(xwl_present_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); } wl_display_flush(xwl_window->xwl_screen->display); xwl_window->present_flipped = TRUE; return TRUE; } static void xwl_present_flips_stop(WindowPtr window) { struct xwl_present_window *xwl_present_window = xwl_present_window_priv(window); /* Change back to the fast refresh rate */ xwl_present_reset_timer(xwl_present_window); } 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); xwl_present_reset_timer(xwl_present_window); } static present_wnmd_info_rec xwl_present_info = { .version = PRESENT_SCREEN_INFO_VERSION, .get_crtc = xwl_present_get_crtc, .get_ust_msc = xwl_present_get_ust_msc, .queue_vblank = xwl_present_queue_vblank, .abort_vblank = xwl_present_abort_vblank, .flush = xwl_present_flush, .capabilities = PresentCapabilityAsync, .check_flip2 = xwl_present_check_flip2, .flip = xwl_present_flip, .flips_stop = xwl_present_flips_stop }; Bool xwl_present_init(ScreenPtr screen) { struct xwl_screen *xwl_screen = xwl_screen_get(screen); if (!xwl_screen->glamor || !xwl_screen->egl_backend) return FALSE; if (!dixRegisterPrivateKey(&xwl_present_window_private_key, PRIVATE_WINDOW, 0)) return FALSE; return present_wnmd_screen_init(screen, &xwl_present_info); }