1130 lines
35 KiB
C
1130 lines
35 KiB
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.
|
|
*/
|
|
|
|
#ifdef HAVE_XORG_CONFIG_H
|
|
#include <xorg-config.h>
|
|
#endif
|
|
|
|
#include "present_priv.h"
|
|
#include <gcstruct.h>
|
|
#include <misync.h>
|
|
#include <misyncstr.h>
|
|
#ifdef MONOTONIC_CLOCK
|
|
#include <time.h>
|
|
#endif
|
|
|
|
static uint64_t present_event_id;
|
|
static struct xorg_list present_exec_queue;
|
|
static struct xorg_list present_flip_queue;
|
|
|
|
#if 0
|
|
#define DebugPresent(x) ErrorF x
|
|
#else
|
|
#define DebugPresent(x)
|
|
#endif
|
|
|
|
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
|
|
present_copy_region(DrawablePtr drawable,
|
|
PixmapPtr pixmap,
|
|
RegionPtr update,
|
|
int16_t x_off,
|
|
int16_t y_off)
|
|
{
|
|
ScreenPtr screen = drawable->pScreen;
|
|
GCPtr gc;
|
|
|
|
gc = GetScratchGC(drawable->depth, screen);
|
|
if (update) {
|
|
ChangeGCVal changes[2];
|
|
|
|
changes[0].val = x_off;
|
|
changes[1].val = y_off;
|
|
ChangeGC(serverClient, gc,
|
|
GCClipXOrigin|GCClipYOrigin,
|
|
changes);
|
|
(*gc->funcs->ChangeClip)(gc, CT_REGION, update, 0);
|
|
}
|
|
ValidateGC(drawable, gc);
|
|
(*gc->ops->CopyArea)(&pixmap->drawable,
|
|
drawable,
|
|
gc,
|
|
0, 0,
|
|
pixmap->drawable.width, pixmap->drawable.height,
|
|
x_off, y_off);
|
|
if (update)
|
|
(*gc->funcs->ChangeClip)(gc, CT_NONE, NULL, 0);
|
|
FreeScratchGC(gc);
|
|
}
|
|
|
|
static 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
|
|
present_pixmap_idle(PixmapPtr pixmap, WindowPtr window, CARD32 serial, struct present_fence *present_fence)
|
|
{
|
|
if (present_fence)
|
|
present_fence_set_triggered(present_fence);
|
|
if (window) {
|
|
DebugPresent(("\ti %08lx\n", pixmap ? pixmap->drawable.id : 0));
|
|
present_send_idle_notify(window, serial, pixmap, present_fence);
|
|
}
|
|
}
|
|
|
|
RRCrtcPtr
|
|
present_get_crtc(WindowPtr window)
|
|
{
|
|
ScreenPtr screen = window->drawable.pScreen;
|
|
present_screen_priv_ptr screen_priv = present_screen_priv(screen);
|
|
|
|
if (!screen_priv)
|
|
return NULL;
|
|
|
|
if (!screen_priv->info)
|
|
return NULL;
|
|
|
|
return (*screen_priv->info->get_crtc)(window);
|
|
}
|
|
|
|
uint32_t
|
|
present_query_capabilities(RRCrtcPtr crtc)
|
|
{
|
|
present_screen_priv_ptr screen_priv;
|
|
|
|
if (!crtc)
|
|
return 0;
|
|
|
|
screen_priv = present_screen_priv(crtc->pScreen);
|
|
|
|
if (!screen_priv)
|
|
return 0;
|
|
|
|
if (!screen_priv->info)
|
|
return 0;
|
|
|
|
return screen_priv->info->capabilities;
|
|
}
|
|
|
|
static int
|
|
present_get_ust_msc(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;
|
|
};
|
|
|
|
static int
|
|
present_set_tree_pixmap_visit(WindowPtr window, void *data)
|
|
{
|
|
struct pixmap_visit *visit = data;
|
|
ScreenPtr screen = window->drawable.pScreen;
|
|
|
|
if ((*screen->GetWindowPixmap)(window) != visit->old)
|
|
return WT_DONTWALKCHILDREN;
|
|
(*screen->SetWindowPixmap)(window, visit->new);
|
|
return WT_WALKCHILDREN;
|
|
}
|
|
|
|
static void
|
|
present_set_tree_pixmap(WindowPtr window,
|
|
PixmapPtr expected,
|
|
PixmapPtr pixmap)
|
|
{
|
|
struct pixmap_visit visit;
|
|
ScreenPtr screen = window->drawable.pScreen;
|
|
|
|
visit.old = (*screen->GetWindowPixmap)(window);
|
|
if (expected && visit.old != expected)
|
|
return;
|
|
|
|
visit.new = pixmap;
|
|
if (visit.old == visit.new)
|
|
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;
|
|
}
|