1/*
2 * Copyright (C) 2017 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "HardwareAccelerationManager.h"
28
29#include <WebCore/NotImplemented.h>
30#include <WebCore/PlatformDisplay.h>
31
32#if PLATFORM(X11)
33#include <WebCore/PlatformDisplayX11.h>
34#endif
35
36#if PLATFORM(WAYLAND)
37#if USE(WPE_RENDERER)
38#include <wpe/fdo-egl.h>
39#else
40#include "WaylandCompositor.h"
41#endif
42#endif
43
44namespace WebKit {
45using namespace WebCore;
46
47HardwareAccelerationManager& HardwareAccelerationManager::singleton()
48{
49 static NeverDestroyed<HardwareAccelerationManager> manager;
50 return manager;
51}
52
53HardwareAccelerationManager::HardwareAccelerationManager()
54 : m_canUseHardwareAcceleration(true)
55 , m_forceHardwareAcceleration(false)
56{
57#if !ENABLE(OPENGL)
58 m_canUseHardwareAcceleration = false;
59 return;
60#endif
61
62 const char* disableCompositing = getenv("WEBKIT_DISABLE_COMPOSITING_MODE");
63 if (disableCompositing && strcmp(disableCompositing, "0")) {
64 m_canUseHardwareAcceleration = false;
65 return;
66 }
67
68#if PLATFORM(X11)
69 if (PlatformDisplay::sharedDisplay().type() == PlatformDisplay::Type::X11) {
70 auto& display = downcast<PlatformDisplayX11>(PlatformDisplay::sharedDisplay());
71 Optional<int> damageBase, errorBase;
72 if (!display.supportsXComposite() || !display.supportsXDamage(damageBase, errorBase)) {
73 m_canUseHardwareAcceleration = false;
74 return;
75 }
76 }
77#endif
78
79#if PLATFORM(WAYLAND) && USE(EGL)
80 if (PlatformDisplay::sharedDisplay().type() == PlatformDisplay::Type::Wayland) {
81#if USE(WPE_RENDERER)
82 if (!wpe_fdo_initialize_for_egl_display(PlatformDisplay::sharedDisplay().eglDisplay())) {
83 m_canUseHardwareAcceleration = false;
84 return;
85 }
86#else
87 if (!WaylandCompositor::singleton().isRunning()) {
88 m_canUseHardwareAcceleration = false;
89 return;
90 }
91#endif
92 }
93#endif
94
95 const char* forceCompositing = getenv("WEBKIT_FORCE_COMPOSITING_MODE");
96 if (forceCompositing && strcmp(forceCompositing, "0"))
97 m_forceHardwareAcceleration = true;
98}
99
100} // namespace WebKit
101