present_execute.c revision 1b5d61b8 
1/*
2 * Copyright © 2013 Keith Packard
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that copyright
7 * notice and this permission notice appear in supporting documentation, and
8 * that the name of the copyright holders not be used in advertising or
9 * publicity pertaining to distribution of the software without specific,
10 * written prior permission.  The copyright holders make no representations
11 * about the suitability of this software for any purpose.  It is provided "as
12 * is" without express or implied warranty.
13 *
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20 * OF THIS SOFTWARE.
21 */
22
23#ifdef HAVE_XORG_CONFIG_H
24#include <xorg-config.h>
25#endif
26
27#include "present_priv.h"
28
29/*
30 * Called when the wait fence is triggered; just gets the current msc/ust and
31 * calls the proper execute again. That will re-check the fence and pend the
32 * request again if it's still not actually ready
33 */
34static void
35present_wait_fence_triggered(void *param)
36{
37    present_vblank_ptr      vblank = param;
38    ScreenPtr               screen = vblank->screen;
39    present_screen_priv_ptr screen_priv = present_screen_priv(screen);
40
41    screen_priv->re_execute(vblank);
42}
43
44Bool
45present_execute_wait(present_vblank_ptr vblank, uint64_t crtc_msc)
46{
47    WindowPtr                   window = vblank->window;
48    ScreenPtr                   screen = window->drawable.pScreen;
49    present_screen_priv_ptr screen_priv = present_screen_priv(screen);
50
51    if (vblank->requeue) {
52        vblank->requeue = FALSE;
53        if (msc_is_after(vblank->target_msc, crtc_msc) &&
54            Success == screen_priv->queue_vblank(screen,
55                                                 window,
56                                                 vblank->crtc,
57                                                 vblank->event_id,
58                                                 vblank->target_msc))
59            return TRUE;
60    }
61
62    if (vblank->wait_fence) {
63        if (!present_fence_check_triggered(vblank->wait_fence)) {
64            present_fence_set_callback(vblank->wait_fence, present_wait_fence_triggered, vblank);
65            return TRUE;
66        }
67    }
68    return FALSE;
69}
70
71void
72present_execute_copy(present_vblank_ptr vblank, uint64_t crtc_msc)
73{
74    WindowPtr                   window = vblank->window;
75    ScreenPtr                   screen = window->drawable.pScreen;
76    present_screen_priv_ptr screen_priv = present_screen_priv(screen);
77
78    /* If present_flip failed, we may have to requeue for the target MSC */
79    if (vblank->target_msc == crtc_msc + 1 &&
80        Success == screen_priv->queue_vblank(screen,
81                                             window,
82                                             vblank->crtc,
83                                             vblank->event_id,
84                                             vblank->target_msc)) {
85        vblank->queued = TRUE;
86        return;
87    }
88
89    present_copy_region(&window->drawable, vblank->pixmap, vblank->update, vblank->x_off, vblank->y_off);
90
91    /* present_copy_region sticks the region into a scratch GC,
92     * which is then freed, freeing the region
93     */
94    vblank->update = NULL;
95    screen_priv->flush(window);
96
97    present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence);
98}
99
100void
101present_execute_post(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
102{
103    uint8_t mode;
104
105    /* Compute correct CompleteMode
106     */
107    if (vblank->kind == PresentCompleteKindPixmap) {
108        if (vblank->pixmap && vblank->window) {
109            if (vblank->has_suboptimal && vblank->reason == PRESENT_FLIP_REASON_BUFFER_FORMAT)
110                mode = PresentCompleteModeSuboptimalCopy;
111            else
112                mode = PresentCompleteModeCopy;
113        } else {
114            mode = PresentCompleteModeSkip;
115        }
116    }
117    else
118        mode = PresentCompleteModeCopy;
119
120    present_vblank_notify(vblank, vblank->kind, mode, ust, crtc_msc);
121    present_vblank_destroy(vblank);
122}
123