As a preperation for future flip mode alternatives move most of the functionality from 'present.c' into a separate file.
Leave some functions needed by future other flip modes in 'present.c'. Signed-off-by: Roman Gilg <subd...@gmail.com> --- present/Makefile.am | 1 + present/meson.build | 1 + present/present.c | 1025 +--------------------------------------------- present/present_priv.h | 116 +++--- present/present_scmd.c | 1048 ++++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 1123 insertions(+), 1068 deletions(-) create mode 100644 present/present_scmd.c diff --git a/present/Makefile.am b/present/Makefile.am index 7fea669..3b458fd 100644 --- a/present/Makefile.am +++ b/present/Makefile.am @@ -12,6 +12,7 @@ libpresent_la_SOURCES = \ present_notify.c \ present_priv.h \ present_request.c \ + present_scmd.c \ present_screen.c sdk_HEADERS = present.h presentext.h diff --git a/present/meson.build b/present/meson.build index cf72530..859a991 100644 --- a/present/meson.build +++ b/present/meson.build @@ -5,6 +5,7 @@ srcs_present = [ 'present_fence.c', 'present_notify.c', 'present_request.c', + 'present_scmd.c', 'present_screen.c', ] diff --git a/present/present.c b/present/present.c index 080cafc..ec29533 100644 --- a/present/present.c +++ b/present/present.c @@ -26,51 +26,11 @@ #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 - -static void -present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc); - -/* - * Returns: - * TRUE if the first MSC value is after the second one - * FALSE if the first MSC value is equal to or before the second one - */ -static Bool -msc_is_after(uint64_t test, uint64_t reference) -{ - return (int64_t)(test - reference) > 0; -} - -/* - * Returns: - * TRUE if the first MSC value is equal to or after the second one - * FALSE if the first MSC value is before the second one - */ -static Bool -msc_is_equal_or_after(uint64_t test, uint64_t reference) -{ - return (int64_t)(test - reference) >= 0; -} /* * Copies the update region from a pixmap to the target drawable */ -static void +void present_copy_region(DrawablePtr drawable, PixmapPtr pixmap, RegionPtr update, @@ -103,129 +63,7 @@ present_copy_region(DrawablePtr drawable, FreeScratchGC(gc); } -static inline PixmapPtr -present_flip_pending_pixmap(ScreenPtr screen) -{ - present_screen_priv_ptr screen_priv = present_screen_priv(screen); - - if (!screen_priv) - return NULL; - - if (!screen_priv->flip_pending) - return NULL; - - return screen_priv->flip_pending->pixmap; -} - -static Bool -present_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; - PixmapPtr window_pixmap; - WindowPtr root = screen->root; - present_screen_priv_ptr screen_priv = present_screen_priv(screen); - - if (reason) - *reason = PRESENT_FLIP_REASON_UNKNOWN; - - 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; - - /* Make sure the window hasn't been redirected with Composite */ - window_pixmap = screen->GetWindowPixmap(window); - if (window_pixmap != screen->GetScreenPixmap(screen) && - window_pixmap != screen_priv->flip_pixmap && - window_pixmap != present_flip_pending_pixmap(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->version >= 1 && screen_priv->info->check_flip2) { - if (!(*screen_priv->info->check_flip2) (crtc, window, pixmap, sync_flip, reason)) { - DebugPresent(("\td %08lx -> %08lx\n", window->drawable.id, pixmap ? pixmap->drawable.id : 0)); - return FALSE; - } - } else if (screen_priv->info->check_flip) { - if (!(*screen_priv->info->check_flip) (crtc, window, pixmap, sync_flip)) { - DebugPresent(("\td %08lx -> %08lx\n", window->drawable.id, pixmap ? pixmap->drawable.id : 0)); - 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; - - if (vblank->window) - 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 +void present_pixmap_idle(PixmapPtr pixmap, WindowPtr window, CARD32 serial, struct present_fence *present_fence) { if (present_fence) @@ -236,157 +74,6 @@ present_pixmap_idle(PixmapPtr pixmap, WindowPtr window, CARD32 serial, struct pr } } -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(ScreenPtr screen, RRCrtcPtr crtc, uint64_t *ust, uint64_t *msc) -{ - 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; - - if (window_priv->crtc == PresentCrtcNeverSet) { - window_priv->msc_offset = 0; - } else { - /* 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->drawable.pScreen, 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; -} - -/* - * When the wait fence or previous flip is completed, it's time - * to re-try the request - */ -static void -present_re_execute(present_vblank_ptr vblank) -{ - uint64_t ust = 0, crtc_msc = 0; - - if (vblank->crtc) - (void) present_get_ust_msc(vblank->screen, vblank->crtc, &ust, &crtc_msc); - - present_execute(vblank, ust, crtc_msc); -} - -static void -present_flip_try_ready(ScreenPtr screen) -{ - present_vblank_ptr vblank; - - xorg_list_for_each_entry(vblank, &present_flip_queue, event_queue) { - if (vblank->queued) { - present_re_execute(vblank); - return; - } - } -} - -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); - if (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; - } -} - struct pixmap_visit { PixmapPtr old; PixmapPtr new; @@ -404,7 +91,7 @@ present_set_tree_pixmap_visit(WindowPtr window, void *data) return WT_WALKCHILDREN; } -static void +void present_set_tree_pixmap(WindowPtr window, PixmapPtr expected, PixmapPtr pixmap) @@ -421,709 +108,3 @@ present_set_tree_pixmap(WindowPtr window, return; TraverseTree(window, present_set_tree_pixmap_visit, &visit); } - -void -present_restore_screen_pixmap(ScreenPtr screen) -{ - present_screen_priv_ptr screen_priv = present_screen_priv(screen); - PixmapPtr screen_pixmap = (*screen->GetScreenPixmap)(screen); - PixmapPtr flip_pixmap; - WindowPtr flip_window; - - if (screen_priv->flip_pending) { - flip_window = screen_priv->flip_pending->window; - flip_pixmap = screen_priv->flip_pending->pixmap; - } else { - flip_window = screen_priv->flip_window; - flip_pixmap = screen_priv->flip_pixmap; - } - - assert (flip_pixmap); - - /* Update the screen pixmap with the current flip pixmap contents - * Only do this the first time for a particular unflip operation, or - * we'll probably scribble over other windows - */ - if (screen->root && screen->GetWindowPixmap(screen->root) == flip_pixmap) - present_copy_region(&screen_pixmap->drawable, flip_pixmap, NULL, 0, 0); - - /* Switch back to using the screen pixmap now to avoid - * 2D applications drawing to the wrong pixmap. - */ - if (flip_window) - present_set_tree_pixmap(flip_window, flip_pixmap, screen_pixmap); - if (screen->root) - present_set_tree_pixmap(screen->root, NULL, screen_pixmap); -} - -void -present_set_abort_flip(ScreenPtr screen) -{ - present_screen_priv_ptr screen_priv = present_screen_priv(screen); - - if (!screen_priv->flip_pending->abort_flip) { - present_restore_screen_pixmap(screen); - screen_priv->flip_pending->abort_flip = TRUE; - } -} - -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); - - present_restore_screen_pixmap(screen); - - 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_flip_notify(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc) -{ - ScreenPtr screen = vblank->screen; - present_screen_priv_ptr screen_priv = present_screen_priv(screen); - - DebugPresent(("\tn %lld %p %8lld: %08lx -> %08lx\n", - vblank->event_id, vblank, vblank->target_msc, - vblank->pixmap ? vblank->pixmap->drawable.id : 0, - vblank->window ? vblank->window->drawable.id : 0)); - - assert (vblank == screen_priv->flip_pending); - - present_flip_idle(screen); - - xorg_list_del(&vblank->event_queue); - - /* 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_sync = vblank->sync_flip; - 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); - - present_vblank_notify(vblank, PresentCompleteKindPixmap, PresentCompleteModeFlip, ust, crtc_msc); - present_vblank_destroy(vblank); - - present_flip_try_ready(screen); -} - -void -present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc) -{ - present_vblank_ptr vblank; - int s; - - if (!event_id) - return; - DebugPresent(("\te %lld ust %lld msc %lld\n", event_id, ust, msc)); - xorg_list_for_each_entry(vblank, &present_exec_queue, event_queue) { - int64_t match = event_id - vblank->event_id; - if (match == 0) { - present_execute(vblank, ust, msc); - return; - } - } - xorg_list_for_each_entry(vblank, &present_flip_queue, event_queue) { - if (vblank->event_id == event_id) { - if (vblank->queued) - present_execute(vblank, ust, msc); - else - 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); - present_flip_try_ready(screen); - return; - } - } -} - -/* - * '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; - PresentFlipReason reason; - - /* 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, NULL)) - present_set_abort_flip(screen); - } - } else { - /* - * Check current flip - */ - if (window == screen_priv->flip_window) { - if (!present_check_flip(screen_priv->flip_crtc, window, screen_priv->flip_pixmap, screen_priv->flip_sync, NULL, 0, 0, NULL)) - present_unflip(screen); - } - } - - /* Now check any queued vblanks */ - xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) { - if (vblank->queued && vblank->flip && !present_check_flip(vblank->crtc, window, vblank->pixmap, vblank->sync_flip, NULL, 0, 0, &reason)) { - vblank->flip = FALSE; - vblank->reason = reason; - if (vblank->sync_flip) - vblank->requeue = TRUE; - } - } -} - -Bool -present_can_window_flip(WindowPtr window) -{ - ScreenPtr screen = window->drawable.pScreen; - PixmapPtr window_pixmap; - 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; - - /* Check to see if the driver supports flips at all */ - if (!screen_priv->info->flip) - return FALSE; - - /* Make sure the window hasn't been redirected with Composite */ - window_pixmap = screen->GetWindowPixmap(window); - if (window_pixmap != screen->GetScreenPixmap(screen) && - window_pixmap != screen_priv->flip_pixmap && - window_pixmap != present_flip_pending_pixmap(screen)) - return FALSE; - - /* Check for full-screen window */ - if (!RegionEqual(&window->clipList, &root->winSize)) { - return FALSE; - } - - /* Does the window match the pixmap exactly? */ - if (window->drawable.x != 0 || window->drawable.y != 0) { - return FALSE; - } - - return TRUE; -} - -/* - * Called when the wait fence is triggered; just gets the current msc/ust and - * calls present_execute again. That will re-check the fence and pend the - * request again if it's still not actually ready - */ -static void -present_wait_fence_triggered(void *param) -{ - present_vblank_ptr vblank = param; - present_re_execute(vblank); -} - -/* - * 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; - ScreenPtr screen = window->drawable.pScreen; - present_screen_priv_ptr screen_priv = present_screen_priv(screen); - uint8_t mode; - - if (vblank->requeue) { - vblank->requeue = FALSE; - if (msc_is_after(vblank->target_msc, crtc_msc) && - Success == present_queue_vblank(screen, - vblank->crtc, - vblank->event_id, - vblank->target_msc)) - return; - } - - if (vblank->wait_fence) { - if (!present_fence_check_triggered(vblank->wait_fence)) { - present_fence_set_callback(vblank->wait_fence, present_wait_fence_triggered, vblank); - return; - } - } - - if (vblank->flip && vblank->pixmap && vblank->window) { - if (screen_priv->flip_pending || screen_priv->unflip_event_id) { - DebugPresent(("\tr %lld %p (pending %p unflip %lld)\n", - vblank->event_id, vblank, - screen_priv->flip_pending, screen_priv->unflip_event_id)); - xorg_list_del(&vblank->event_queue); - xorg_list_append(&vblank->event_queue, &present_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) { - - if (vblank->flip) { - - DebugPresent(("\tf %lld %p %8lld: %08lx -> %08lx\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 and - * and sticking it into the flip_pending field - */ - screen_priv->flip_pending = vblank; - - 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)) { - RegionPtr damage; - - /* Fix window pixmaps: - * 1) Restore previous flip window pixmap - * 2) Set current flip window pixmap to the new pixmap - */ - if (screen_priv->flip_window && screen_priv->flip_window != window) - present_set_tree_pixmap(screen_priv->flip_window, - screen_priv->flip_pixmap, - (*screen->GetScreenPixmap)(screen)); - present_set_tree_pixmap(vblank->window, NULL, vblank->pixmap); - present_set_tree_pixmap(screen->root, NULL, vblank->pixmap); - - /* Report update region as damaged - */ - if (vblank->update) { - damage = vblank->update; - RegionIntersect(damage, damage, &window->clipList); - } else - damage = &window->clipList; - - DamageDamageRegion(&vblank->window->drawable, damage); - 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) - present_set_abort_flip(screen); - } else if (!screen_priv->unflip_event_id) { - - /* Check current flip - */ - if (window == screen_priv->flip_window) - present_unflip(screen); - } - - /* If present_flip failed, we may have to requeue for the target MSC */ - if (vblank->target_msc == crtc_msc + 1 && - Success == present_queue_vblank(screen, - vblank->crtc, - vblank->event_id, - vblank->target_msc)) { - xorg_list_add(&vblank->event_queue, &present_exec_queue); - xorg_list_append(&vblank->window_list, - &present_get_window_priv(window, TRUE)->vblank); - vblank->queued = TRUE; - return; - } - - 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); - } - - /* Compute correct CompleteMode - */ - if (vblank->kind == PresentCompleteKindPixmap) { - if (vblank->pixmap && vblank->window) { - if (vblank->has_suboptimal && vblank->reason == PRESENT_FLIP_REASON_BUFFER_FORMAT) - mode = PresentCompleteModeSuboptimalCopy; - else - mode = PresentCompleteModeCopy; - } else { - mode = PresentCompleteModeSkip; - } - } - else - mode = PresentCompleteModeCopy; - - - present_vblank_notify(vblank, vblank->kind, mode, 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 = 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); - PresentFlipReason reason = PRESENT_FLIP_REASON_UNKNOWN; - - if (!window_priv) - return BadAlloc; - - if (!screen_priv || !screen_priv->info) - target_crtc = NULL; - else 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 == PresentCrtcNeverSet) - target_crtc = present_get_crtc(window); - } - - ret = present_get_ust_msc(screen, target_crtc, &ust, &crtc_msc); - - target_msc = present_window_to_crtc_msc(window, target_crtc, window_msc, crtc_msc); - - if (ret == Success) { - /* Stash the current MSC away in case we need it later - */ - window_priv->msc = crtc_msc; - } - - /* Adjust target_msc to match modulus - */ - if (msc_is_equal_or_after(crtc_msc, target_msc)) { - if (divisor != 0) { - target_msc = crtc_msc - (crtc_msc % divisor) + remainder; - if (options & PresentOptionAsync) { - if (msc_is_after(crtc_msc, target_msc)) - target_msc += divisor; - } else { - if (msc_is_equal_or_after(crtc_msc, target_msc)) - target_msc += divisor; - } - } else { - target_msc = crtc_msc; - if (!(options & PresentOptionAsync)) - target_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 && pixmap) { - xorg_list_for_each_entry_safe(vblank, tmp, &window_priv->vblank, window_list) { - - if (!vblank->pixmap) - continue; - - if (!vblank->queued) - continue; - - if (vblank->crtc != target_crtc || vblank->target_msc != target_msc) - continue; - - DebugPresent(("\tx %lld %p %8lld: %08lx -> %08lx (crtc %p)\n", - vblank->event_id, vblank, vblank->target_msc, - vblank->pixmap->drawable.id, vblank->window->drawable.id, - vblank->crtc)); - - 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->flip = FALSE; - if (vblank->flip_ready) - present_re_execute(vblank); - } - } - - 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; - vblank->has_suboptimal = (options & PresentOptionSuboptimal); - - if (pixmap != NULL && - !(options & PresentOptionCopy) && - screen_priv->info) { - if (msc_is_after(target_msc, crtc_msc) && - present_check_flip (target_crtc, window, pixmap, TRUE, valid, x_off, y_off, &reason)) - { - vblank->flip = TRUE; - vblank->sync_flip = TRUE; - target_msc--; - } else if ((screen_priv->info->capabilities & PresentCapabilityAsync) && - present_check_flip (target_crtc, window, pixmap, FALSE, valid, x_off, y_off, &reason)) - { - vblank->flip = TRUE; - } - } - vblank->reason = reason; - - if (wait_fence) { - vblank->wait_fence = present_fence_create(wait_fence); - if (!vblank->wait_fence) - goto no_mem; - } - - if (idle_fence) { - vblank->idle_fence = present_fence_create(idle_fence); - if (!vblank->idle_fence) - goto no_mem; - } - - if (pixmap) - DebugPresent(("q %lld %p %8lld: %08lx -> %08lx (crtc %p) flip %d vsync %d serial %d\n", - vblank->event_id, vblank, target_msc, - vblank->pixmap->drawable.id, vblank->window->drawable.id, - target_crtc, vblank->flip, vblank->sync_flip, vblank->serial)); - - xorg_list_append(&vblank->event_queue, &present_exec_queue); - vblank->queued = TRUE; - if (msc_is_after(target_msc, crtc_msc)) { - ret = present_queue_vblank(screen, target_crtc, vblank->event_id, target_msc); - if (ret == Success) - return Success; - - DebugPresent(("present_queue_vblank failed\n")); - } - - present_execute(vblank, ust, crtc_msc); - - return Success; - -no_mem: - ret = BadAlloc; - 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; - - 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(vblank, &present_exec_queue, event_queue) { - int64_t match = event_id - vblank->event_id; - if (match == 0) { - xorg_list_del(&vblank->event_queue); - vblank->queued = FALSE; - return; - } - } - xorg_list_for_each_entry(vblank, &present_flip_queue, event_queue) { - if (vblank->event_id == event_id) { - xorg_list_del(&vblank->event_queue); - vblank->queued = FALSE; - 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, - divisor == 0 ? PresentOptionAsync : 0, - target_msc, divisor, remainder, NULL, 0); -} - -void -present_flip_destroy(ScreenPtr screen) -{ - present_screen_priv_ptr screen_priv = present_screen_priv(screen); - - /* Reset window pixmaps back to the screen pixmap */ - if (screen_priv->flip_pending) - present_set_abort_flip(screen); - - /* Drop reference to any pending flip or unflip pixmaps. */ - present_flip_idle(screen); -} - -void -present_vblank_destroy(present_vblank_ptr vblank) -{ - /* Remove vblank from window and screen lists */ - xorg_list_del(&vblank->window_list); - - DebugPresent(("\td %lld %p %8lld: %08lx -> %08lx\n", - vblank->event_id, vblank, vblank->target_msc, - vblank->pixmap ? vblank->pixmap->drawable.id : 0, - vblank->window ? vblank->window->drawable.id : 0)); - - /* 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->wait_fence) - present_fence_destroy(vblank->wait_fence); - - 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; -} diff --git a/present/present_priv.h b/present/present_priv.h index 6980ddd..66539e1 100644 --- a/present/present_priv.h +++ b/present/present_priv.h @@ -35,6 +35,12 @@ #include <xfixes.h> #include <randrstr.h> +#if 0 +#define DebugPresent(x) ErrorF x +#else +#define DebugPresent(x) +#endif + extern int present_request; extern DevPrivateKeyRec present_screen_private_key; @@ -154,57 +160,20 @@ present_get_window_priv(WindowPtr window, Bool create); /* * present.c */ -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 target_msc, - uint64_t divisor, - uint64_t remainder, - present_notify_ptr notifies, - int num_notifies); - -int -present_notify_msc(WindowPtr window, - CARD32 serial, - uint64_t target_msc, - uint64_t divisor, - uint64_t remainder); - void -present_abort_vblank(ScreenPtr screen, RRCrtcPtr crtc, uint64_t event_id, uint64_t msc); +present_copy_region(DrawablePtr drawable, + PixmapPtr pixmap, + RegionPtr update, + int16_t x_off, + int16_t y_off); void -present_vblank_destroy(present_vblank_ptr vblank); +present_pixmap_idle(PixmapPtr pixmap, WindowPtr window, CARD32 serial, struct present_fence *present_fence); void -present_flip_destroy(ScreenPtr screen); - -void -present_restore_screen_pixmap(ScreenPtr screen); - -void -present_set_abort_flip(ScreenPtr screen); - -void -present_check_flip_window(WindowPtr window); - -RRCrtcPtr -present_get_crtc(WindowPtr window); - -uint32_t -present_query_capabilities(RRCrtcPtr crtc); - -Bool -present_init(void); +present_set_tree_pixmap(WindowPtr window, + PixmapPtr expected, + PixmapPtr pixmap); /* * present_event.c @@ -307,6 +276,61 @@ int sproc_present_dispatch(ClientPtr client); /* + * present_scmd.c + */ +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 target_msc, + uint64_t divisor, + uint64_t remainder, + present_notify_ptr notifies, + int num_notifies); + +int +present_notify_msc(WindowPtr window, + CARD32 serial, + uint64_t target_msc, + uint64_t divisor, + uint64_t remainder); + +void +present_abort_vblank(ScreenPtr screen, RRCrtcPtr crtc, uint64_t event_id, uint64_t msc); + +void +present_vblank_destroy(present_vblank_ptr vblank); + +void +present_flip_destroy(ScreenPtr screen); + +void +present_restore_screen_pixmap(ScreenPtr screen); + +void +present_set_abort_flip(ScreenPtr screen); + +void +present_check_flip_window(WindowPtr window); + +RRCrtcPtr +present_get_crtc(WindowPtr window); + +uint32_t +present_query_capabilities(RRCrtcPtr crtc); + +Bool +present_init(void); + +/* * present_screen.c */ diff --git a/present/present_scmd.c b/present/present_scmd.c new file mode 100644 index 0000000..bd92b27 --- /dev/null +++ b/present/present_scmd.c @@ -0,0 +1,1048 @@ +/* + * 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 <misync.h> +#include <misyncstr.h> +#ifdef MONOTONIC_CLOCK +#include <time.h> +#endif + +/* + * Screen flip mode + * + * Provides the default mode for drivers, that do not + * support flips and the full screen flip mode. + * + */ + +static uint64_t present_event_id; +static struct xorg_list present_exec_queue; +static struct xorg_list present_flip_queue; + +static void +present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc); + +/* + * Returns: + * TRUE if the first MSC value is after the second one + * FALSE if the first MSC value is equal to or before the second one + */ +static Bool +msc_is_after(uint64_t test, uint64_t reference) +{ + return (int64_t)(test - reference) > 0; +} + +/* + * Returns: + * TRUE if the first MSC value is equal to or after the second one + * FALSE if the first MSC value is before the second one + */ +static Bool +msc_is_equal_or_after(uint64_t test, uint64_t reference) +{ + return (int64_t)(test - reference) >= 0; +} + +static inline PixmapPtr +present_flip_pending_pixmap(ScreenPtr screen) +{ + present_screen_priv_ptr screen_priv = present_screen_priv(screen); + + if (!screen_priv) + return NULL; + + if (!screen_priv->flip_pending) + return NULL; + + return screen_priv->flip_pending->pixmap; +} + +static Bool +present_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; + PixmapPtr window_pixmap; + WindowPtr root = screen->root; + present_screen_priv_ptr screen_priv = present_screen_priv(screen); + + if (reason) + *reason = PRESENT_FLIP_REASON_UNKNOWN; + + 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; + + /* Make sure the window hasn't been redirected with Composite */ + window_pixmap = screen->GetWindowPixmap(window); + if (window_pixmap != screen->GetScreenPixmap(screen) && + window_pixmap != screen_priv->flip_pixmap && + window_pixmap != present_flip_pending_pixmap(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->version >= 1 && screen_priv->info->check_flip2) { + if (!(*screen_priv->info->check_flip2) (crtc, window, pixmap, sync_flip, reason)) { + DebugPresent(("\td %08lx -> %08lx\n", window->drawable.id, pixmap ? pixmap->drawable.id : 0)); + return FALSE; + } + } else if (screen_priv->info->check_flip) { + if (!(*screen_priv->info->check_flip) (crtc, window, pixmap, sync_flip)) { + DebugPresent(("\td %08lx -> %08lx\n", window->drawable.id, pixmap ? pixmap->drawable.id : 0)); + 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; + + if (vblank->window) + 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); + } +} + +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(ScreenPtr screen, RRCrtcPtr crtc, uint64_t *ust, uint64_t *msc) +{ + 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; + + if (window_priv->crtc == PresentCrtcNeverSet) { + window_priv->msc_offset = 0; + } else { + /* 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->drawable.pScreen, 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; +} + +/* + * When the wait fence or previous flip is completed, it's time + * to re-try the request + */ +static void +present_re_execute(present_vblank_ptr vblank) +{ + uint64_t ust = 0, crtc_msc = 0; + + if (vblank->crtc) + (void) present_get_ust_msc(vblank->screen, vblank->crtc, &ust, &crtc_msc); + + present_execute(vblank, ust, crtc_msc); +} + +static void +present_flip_try_ready(ScreenPtr screen) +{ + present_vblank_ptr vblank; + + xorg_list_for_each_entry(vblank, &present_flip_queue, event_queue) { + if (vblank->queued) { + present_re_execute(vblank); + return; + } + } +} + +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); + if (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; + } +} + +void +present_restore_screen_pixmap(ScreenPtr screen) +{ + present_screen_priv_ptr screen_priv = present_screen_priv(screen); + PixmapPtr screen_pixmap = (*screen->GetScreenPixmap)(screen); + PixmapPtr flip_pixmap; + WindowPtr flip_window; + + if (screen_priv->flip_pending) { + flip_window = screen_priv->flip_pending->window; + flip_pixmap = screen_priv->flip_pending->pixmap; + } else { + flip_window = screen_priv->flip_window; + flip_pixmap = screen_priv->flip_pixmap; + } + + assert (flip_pixmap); + + /* Update the screen pixmap with the current flip pixmap contents + * Only do this the first time for a particular unflip operation, or + * we'll probably scribble over other windows + */ + if (screen->root && screen->GetWindowPixmap(screen->root) == flip_pixmap) + present_copy_region(&screen_pixmap->drawable, flip_pixmap, NULL, 0, 0); + + /* Switch back to using the screen pixmap now to avoid + * 2D applications drawing to the wrong pixmap. + */ + if (flip_window) + present_set_tree_pixmap(flip_window, flip_pixmap, screen_pixmap); + if (screen->root) + present_set_tree_pixmap(screen->root, NULL, screen_pixmap); +} + +void +present_set_abort_flip(ScreenPtr screen) +{ + present_screen_priv_ptr screen_priv = present_screen_priv(screen); + + if (!screen_priv->flip_pending->abort_flip) { + present_restore_screen_pixmap(screen); + screen_priv->flip_pending->abort_flip = TRUE; + } +} + +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); + + present_restore_screen_pixmap(screen); + + 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_flip_notify(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc) +{ + ScreenPtr screen = vblank->screen; + present_screen_priv_ptr screen_priv = present_screen_priv(screen); + + DebugPresent(("\tn %lld %p %8lld: %08lx -> %08lx\n", + vblank->event_id, vblank, vblank->target_msc, + vblank->pixmap ? vblank->pixmap->drawable.id : 0, + vblank->window ? vblank->window->drawable.id : 0)); + + assert (vblank == screen_priv->flip_pending); + + present_flip_idle(screen); + + xorg_list_del(&vblank->event_queue); + + /* 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_sync = vblank->sync_flip; + 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); + + present_vblank_notify(vblank, PresentCompleteKindPixmap, PresentCompleteModeFlip, ust, crtc_msc); + present_vblank_destroy(vblank); + + present_flip_try_ready(screen); +} + +void +present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc) +{ + present_vblank_ptr vblank; + int s; + + if (!event_id) + return; + DebugPresent(("\te %lld ust %lld msc %lld\n", event_id, ust, msc)); + xorg_list_for_each_entry(vblank, &present_exec_queue, event_queue) { + int64_t match = event_id - vblank->event_id; + if (match == 0) { + present_execute(vblank, ust, msc); + return; + } + } + xorg_list_for_each_entry(vblank, &present_flip_queue, event_queue) { + if (vblank->event_id == event_id) { + if (vblank->queued) + present_execute(vblank, ust, msc); + else + 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); + present_flip_try_ready(screen); + return; + } + } +} + +/* + * '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; + PresentFlipReason reason; + + /* 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, NULL)) + present_set_abort_flip(screen); + } + } else { + /* + * Check current flip + */ + if (window == screen_priv->flip_window) { + if (!present_check_flip(screen_priv->flip_crtc, window, screen_priv->flip_pixmap, screen_priv->flip_sync, NULL, 0, 0, NULL)) + present_unflip(screen); + } + } + + /* Now check any queued vblanks */ + xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) { + if (vblank->queued && vblank->flip && !present_check_flip(vblank->crtc, window, vblank->pixmap, vblank->sync_flip, NULL, 0, 0, &reason)) { + vblank->flip = FALSE; + vblank->reason = reason; + if (vblank->sync_flip) + vblank->requeue = TRUE; + } + } +} + +Bool +present_can_window_flip(WindowPtr window) +{ + ScreenPtr screen = window->drawable.pScreen; + PixmapPtr window_pixmap; + 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; + + /* Check to see if the driver supports flips at all */ + if (!screen_priv->info->flip) + return FALSE; + + /* Make sure the window hasn't been redirected with Composite */ + window_pixmap = screen->GetWindowPixmap(window); + if (window_pixmap != screen->GetScreenPixmap(screen) && + window_pixmap != screen_priv->flip_pixmap && + window_pixmap != present_flip_pending_pixmap(screen)) + return FALSE; + + /* Check for full-screen window */ + if (!RegionEqual(&window->clipList, &root->winSize)) { + return FALSE; + } + + /* Does the window match the pixmap exactly? */ + if (window->drawable.x != 0 || window->drawable.y != 0) { + return FALSE; + } + + return TRUE; +} + +/* + * Called when the wait fence is triggered; just gets the current msc/ust and + * calls present_execute again. That will re-check the fence and pend the + * request again if it's still not actually ready + */ +static void +present_wait_fence_triggered(void *param) +{ + present_vblank_ptr vblank = param; + present_re_execute(vblank); +} + +/* + * 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; + ScreenPtr screen = window->drawable.pScreen; + present_screen_priv_ptr screen_priv = present_screen_priv(screen); + uint8_t mode; + + if (vblank->requeue) { + vblank->requeue = FALSE; + if (msc_is_after(vblank->target_msc, crtc_msc) && + Success == present_queue_vblank(screen, + vblank->crtc, + vblank->event_id, + vblank->target_msc)) + return; + } + + if (vblank->wait_fence) { + if (!present_fence_check_triggered(vblank->wait_fence)) { + present_fence_set_callback(vblank->wait_fence, present_wait_fence_triggered, vblank); + return; + } + } + + if (vblank->flip && vblank->pixmap && vblank->window) { + if (screen_priv->flip_pending || screen_priv->unflip_event_id) { + DebugPresent(("\tr %lld %p (pending %p unflip %lld)\n", + vblank->event_id, vblank, + screen_priv->flip_pending, screen_priv->unflip_event_id)); + xorg_list_del(&vblank->event_queue); + xorg_list_append(&vblank->event_queue, &present_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) { + + if (vblank->flip) { + + DebugPresent(("\tf %lld %p %8lld: %08lx -> %08lx\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 and + * and sticking it into the flip_pending field + */ + screen_priv->flip_pending = vblank; + + 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)) { + RegionPtr damage; + + /* Fix window pixmaps: + * 1) Restore previous flip window pixmap + * 2) Set current flip window pixmap to the new pixmap + */ + if (screen_priv->flip_window && screen_priv->flip_window != window) + present_set_tree_pixmap(screen_priv->flip_window, + screen_priv->flip_pixmap, + (*screen->GetScreenPixmap)(screen)); + present_set_tree_pixmap(vblank->window, NULL, vblank->pixmap); + present_set_tree_pixmap(screen->root, NULL, vblank->pixmap); + + /* Report update region as damaged + */ + if (vblank->update) { + damage = vblank->update; + RegionIntersect(damage, damage, &window->clipList); + } else + damage = &window->clipList; + + DamageDamageRegion(&vblank->window->drawable, damage); + 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) + present_set_abort_flip(screen); + } else if (!screen_priv->unflip_event_id) { + + /* Check current flip + */ + if (window == screen_priv->flip_window) + present_unflip(screen); + } + + /* If present_flip failed, we may have to requeue for the target MSC */ + if (vblank->target_msc == crtc_msc + 1 && + Success == present_queue_vblank(screen, + vblank->crtc, + vblank->event_id, + vblank->target_msc)) { + xorg_list_add(&vblank->event_queue, &present_exec_queue); + xorg_list_append(&vblank->window_list, + &present_get_window_priv(window, TRUE)->vblank); + vblank->queued = TRUE; + return; + } + + 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); + } + + /* Compute correct CompleteMode + */ + if (vblank->kind == PresentCompleteKindPixmap) { + if (vblank->pixmap && vblank->window) { + if (vblank->has_suboptimal && vblank->reason == PRESENT_FLIP_REASON_BUFFER_FORMAT) + mode = PresentCompleteModeSuboptimalCopy; + else + mode = PresentCompleteModeCopy; + } else { + mode = PresentCompleteModeSkip; + } + } + else + mode = PresentCompleteModeCopy; + + + present_vblank_notify(vblank, vblank->kind, mode, 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 = 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); + PresentFlipReason reason = PRESENT_FLIP_REASON_UNKNOWN; + + if (!window_priv) + return BadAlloc; + + if (!screen_priv || !screen_priv->info) + target_crtc = NULL; + else 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 == PresentCrtcNeverSet) + target_crtc = present_get_crtc(window); + } + + ret = present_get_ust_msc(screen, target_crtc, &ust, &crtc_msc); + + target_msc = present_window_to_crtc_msc(window, target_crtc, window_msc, crtc_msc); + + if (ret == Success) { + /* Stash the current MSC away in case we need it later + */ + window_priv->msc = crtc_msc; + } + + /* Adjust target_msc to match modulus + */ + if (msc_is_equal_or_after(crtc_msc, target_msc)) { + if (divisor != 0) { + target_msc = crtc_msc - (crtc_msc % divisor) + remainder; + if (options & PresentOptionAsync) { + if (msc_is_after(crtc_msc, target_msc)) + target_msc += divisor; + } else { + if (msc_is_equal_or_after(crtc_msc, target_msc)) + target_msc += divisor; + } + } else { + target_msc = crtc_msc; + if (!(options & PresentOptionAsync)) + target_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 && pixmap) { + xorg_list_for_each_entry_safe(vblank, tmp, &window_priv->vblank, window_list) { + + if (!vblank->pixmap) + continue; + + if (!vblank->queued) + continue; + + if (vblank->crtc != target_crtc || vblank->target_msc != target_msc) + continue; + + DebugPresent(("\tx %lld %p %8lld: %08lx -> %08lx (crtc %p)\n", + vblank->event_id, vblank, vblank->target_msc, + vblank->pixmap->drawable.id, vblank->window->drawable.id, + vblank->crtc)); + + 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->flip = FALSE; + if (vblank->flip_ready) + present_re_execute(vblank); + } + } + + 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; + vblank->has_suboptimal = (options & PresentOptionSuboptimal); + + if (pixmap != NULL && + !(options & PresentOptionCopy) && + screen_priv->info) { + if (msc_is_after(target_msc, crtc_msc) && + present_check_flip (target_crtc, window, pixmap, TRUE, valid, x_off, y_off, &reason)) + { + vblank->flip = TRUE; + vblank->sync_flip = TRUE; + target_msc--; + } else if ((screen_priv->info->capabilities & PresentCapabilityAsync) && + present_check_flip (target_crtc, window, pixmap, FALSE, valid, x_off, y_off, &reason)) + { + vblank->flip = TRUE; + } + } + vblank->reason = reason; + + if (wait_fence) { + vblank->wait_fence = present_fence_create(wait_fence); + if (!vblank->wait_fence) + goto no_mem; + } + + if (idle_fence) { + vblank->idle_fence = present_fence_create(idle_fence); + if (!vblank->idle_fence) + goto no_mem; + } + + if (pixmap) + DebugPresent(("q %lld %p %8lld: %08lx -> %08lx (crtc %p) flip %d vsync %d serial %d\n", + vblank->event_id, vblank, target_msc, + vblank->pixmap->drawable.id, vblank->window->drawable.id, + target_crtc, vblank->flip, vblank->sync_flip, vblank->serial)); + + xorg_list_append(&vblank->event_queue, &present_exec_queue); + vblank->queued = TRUE; + if (msc_is_after(target_msc, crtc_msc)) { + ret = present_queue_vblank(screen, target_crtc, vblank->event_id, target_msc); + if (ret == Success) + return Success; + + DebugPresent(("present_queue_vblank failed\n")); + } + + present_execute(vblank, ust, crtc_msc); + + return Success; + +no_mem: + ret = BadAlloc; + 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; + + 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(vblank, &present_exec_queue, event_queue) { + int64_t match = event_id - vblank->event_id; + if (match == 0) { + xorg_list_del(&vblank->event_queue); + vblank->queued = FALSE; + return; + } + } + xorg_list_for_each_entry(vblank, &present_flip_queue, event_queue) { + if (vblank->event_id == event_id) { + xorg_list_del(&vblank->event_queue); + vblank->queued = FALSE; + 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, + divisor == 0 ? PresentOptionAsync : 0, + target_msc, divisor, remainder, NULL, 0); +} + +void +present_flip_destroy(ScreenPtr screen) +{ + present_screen_priv_ptr screen_priv = present_screen_priv(screen); + + /* Reset window pixmaps back to the screen pixmap */ + if (screen_priv->flip_pending) + present_set_abort_flip(screen); + + /* Drop reference to any pending flip or unflip pixmaps. */ + present_flip_idle(screen); +} + +void +present_vblank_destroy(present_vblank_ptr vblank) +{ + /* Remove vblank from window and screen lists */ + xorg_list_del(&vblank->window_list); + + DebugPresent(("\td %lld %p %8lld: %08lx -> %08lx\n", + vblank->event_id, vblank, vblank->target_msc, + vblank->pixmap ? vblank->pixmap->drawable.id : 0, + vblank->window ? vblank->window->drawable.id : 0)); + + /* 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->wait_fence) + present_fence_destroy(vblank->wait_fence); + + 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; +} -- 2.7.4 _______________________________________________ xorg-devel@lists.x.org: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: https://lists.x.org/mailman/listinfo/xorg-devel