1 | /* |
2 | * Copyright (C) 2014 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 INC. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #if USE(COORDINATED_GRAPHICS) |
29 | |
30 | #include "CompositingRunLoop.h" |
31 | #include "CoordinatedGraphicsScene.h" |
32 | #include <WebCore/CoordinatedGraphicsState.h> |
33 | #include <WebCore/GLContext.h> |
34 | #include <WebCore/IntSize.h> |
35 | #include <WebCore/TextureMapper.h> |
36 | #include <wtf/Atomics.h> |
37 | #include <wtf/FastMalloc.h> |
38 | #include <wtf/Noncopyable.h> |
39 | #include <wtf/ThreadSafeRefCounted.h> |
40 | |
41 | #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) |
42 | #include "ThreadedDisplayRefreshMonitor.h" |
43 | #endif |
44 | |
45 | namespace WebKit { |
46 | |
47 | class CoordinatedGraphicsScene; |
48 | class CoordinatedGraphicsSceneClient; |
49 | |
50 | class ThreadedCompositor : public CoordinatedGraphicsSceneClient, public ThreadSafeRefCounted<ThreadedCompositor> { |
51 | WTF_MAKE_NONCOPYABLE(ThreadedCompositor); |
52 | WTF_MAKE_FAST_ALLOCATED; |
53 | public: |
54 | class Client { |
55 | public: |
56 | virtual uint64_t nativeSurfaceHandleForCompositing() = 0; |
57 | virtual void didDestroyGLContext() = 0; |
58 | |
59 | virtual void resize(const WebCore::IntSize&) = 0; |
60 | virtual void willRenderFrame() = 0; |
61 | virtual void didRenderFrame() = 0; |
62 | }; |
63 | |
64 | enum class ShouldDoFrameSync { No, Yes }; |
65 | |
66 | static Ref<ThreadedCompositor> create(Client&, ThreadedDisplayRefreshMonitor::Client&, WebCore::PlatformDisplayID, const WebCore::IntSize&, float scaleFactor, ShouldDoFrameSync = ShouldDoFrameSync::Yes, WebCore::TextureMapper::PaintFlags = 0); |
67 | virtual ~ThreadedCompositor(); |
68 | |
69 | void setNativeSurfaceHandleForCompositing(uint64_t); |
70 | void setScaleFactor(float); |
71 | void setScrollPosition(const WebCore::IntPoint&, float scale); |
72 | void setViewportSize(const WebCore::IntSize&, float scale); |
73 | |
74 | void updateSceneState(const WebCore::CoordinatedGraphicsState&); |
75 | |
76 | void invalidate(); |
77 | |
78 | void forceRepaint(); |
79 | |
80 | #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) |
81 | RefPtr<WebCore::DisplayRefreshMonitor> displayRefreshMonitor(WebCore::PlatformDisplayID); |
82 | #endif |
83 | |
84 | void frameComplete(); |
85 | |
86 | void suspend(); |
87 | void resume(); |
88 | |
89 | private: |
90 | ThreadedCompositor(Client&, ThreadedDisplayRefreshMonitor::Client&, WebCore::PlatformDisplayID, const WebCore::IntSize&, float scaleFactor, ShouldDoFrameSync, WebCore::TextureMapper::PaintFlags); |
91 | |
92 | // CoordinatedGraphicsSceneClient |
93 | void updateViewport() override; |
94 | |
95 | void renderLayerTree(); |
96 | void sceneUpdateFinished(); |
97 | |
98 | void createGLContext(); |
99 | |
100 | Client& m_client; |
101 | RefPtr<CoordinatedGraphicsScene> m_scene; |
102 | std::unique_ptr<WebCore::GLContext> m_context; |
103 | |
104 | uint64_t m_nativeSurfaceHandle; |
105 | ShouldDoFrameSync m_doFrameSync; |
106 | WebCore::TextureMapper::PaintFlags m_paintFlags { 0 }; |
107 | bool m_inForceRepaint { false }; |
108 | unsigned m_suspendedCount { 0 }; |
109 | |
110 | std::unique_ptr<CompositingRunLoop> m_compositingRunLoop; |
111 | |
112 | struct { |
113 | Lock lock; |
114 | WebCore::IntSize viewportSize; |
115 | WebCore::IntPoint scrollPosition; |
116 | float scaleFactor { 1 }; |
117 | bool needsResize { false }; |
118 | Vector<WebCore::CoordinatedGraphicsState> states; |
119 | |
120 | bool clientRendersNextFrame { false }; |
121 | } m_attributes; |
122 | |
123 | #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) |
124 | Ref<ThreadedDisplayRefreshMonitor> m_displayRefreshMonitor; |
125 | #endif |
126 | }; |
127 | |
128 | } // namespace WebKit |
129 | |
130 | #endif // USE(COORDINATED_GRAPHICS) |
131 | |
132 | |