Edit
IABSD.fr/xenocara/xserver/present/present_vblank.c
matthieu
- xserver/present/present_vblank.c
-
/* * 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. */ #include "present_priv.h" 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); } } /* The memory vblank points to must be 0-initialized before calling this function. * * If this function returns FALSE, present_vblank_destroy must be called to clean * up. */ Bool present_vblank_init(present_vblank_ptr vblank, 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, const uint32_t capabilities, present_notify_ptr notifies, int num_notifies, uint64_t target_msc, uint64_t crtc_msc) { 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 (target_crtc) { screen_priv = present_screen_priv(target_crtc->pScreen); } xorg_list_append(&vblank->window_list, &window_priv->vblank); xorg_list_init(&vblank->event_queue); vblank->screen = screen; vblank->window = window; vblank->pixmap = pixmap; 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->exec_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->check_flip) { if (msc_is_after(target_msc, crtc_msc) && screen_priv->check_flip (target_crtc, window, pixmap, TRUE, valid, x_off, y_off, &reason)) { vblank->flip = TRUE; vblank->sync_flip = TRUE; } else if ((capabilities & PresentCapabilityAsync) && screen_priv->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 %" PRIu64 " %p %" PRIu64 ": %08" PRIx32 " -> %08" PRIx32 " (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)); return TRUE; no_mem: vblank->notifies = NULL; return FALSE; } present_vblank_ptr present_vblank_create(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, const uint32_t capabilities, present_notify_ptr notifies, int num_notifies, uint64_t target_msc, uint64_t crtc_msc) { present_vblank_ptr vblank = calloc(1, sizeof(present_vblank_rec)); if (!vblank) return NULL; if (present_vblank_init(vblank, window, pixmap, serial, valid, update, x_off, y_off, target_crtc, wait_fence, idle_fence, options, capabilities, notifies, num_notifies, target_msc, crtc_msc)) return vblank; present_vblank_destroy(vblank); return NULL; } void present_vblank_scrap(present_vblank_ptr vblank) { DebugPresent(("\tx %" PRIu64 " %p %" PRIu64 " %" PRIu64 ": %08" PRIx32 " -> %08" PRIx32 " (crtc %p)\n", vblank->event_id, vblank, vblank->exec_msc, 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; } void present_vblank_destroy(present_vblank_ptr vblank) { /* Remove vblank from window and screen lists */ xorg_list_del(&vblank->window_list); /* Also make sure vblank is removed from event queue (wnmd) */ xorg_list_del(&vblank->event_queue); DebugPresent(("\td %" 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)); /* 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); }