| /* |
| * Copyright (C) 2014 Igalia S.L. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #if USE(COORDINATED_GRAPHICS) |
| |
| #include "CompositingRunLoop.h" |
| #include "CoordinatedGraphicsScene.h" |
| #include "ThreadedDisplayRefreshMonitor.h" |
| #include <WebCore/CoordinatedGraphicsState.h> |
| #include <WebCore/GLContext.h> |
| #include <WebCore/IntSize.h> |
| #include <WebCore/TextureMapper.h> |
| #include <wtf/Atomics.h> |
| #include <wtf/FastMalloc.h> |
| #include <wtf/Noncopyable.h> |
| #include <wtf/ThreadSafeRefCounted.h> |
| |
| namespace WebKit { |
| |
| class CoordinatedGraphicsScene; |
| class CoordinatedGraphicsSceneClient; |
| |
| class ThreadedCompositor : public CoordinatedGraphicsSceneClient, public ThreadSafeRefCounted<ThreadedCompositor> { |
| WTF_MAKE_NONCOPYABLE(ThreadedCompositor); |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| class Client { |
| public: |
| virtual uint64_t nativeSurfaceHandleForCompositing() = 0; |
| virtual void didDestroyGLContext() = 0; |
| |
| virtual void resize(const WebCore::IntSize&) = 0; |
| virtual void willRenderFrame() = 0; |
| virtual void didRenderFrame() = 0; |
| }; |
| |
| static Ref<ThreadedCompositor> create(Client&, ThreadedDisplayRefreshMonitor::Client&, WebCore::PlatformDisplayID, const WebCore::IntSize&, float scaleFactor, WebCore::TextureMapper::PaintFlags); |
| virtual ~ThreadedCompositor(); |
| |
| void setScaleFactor(float); |
| void setScrollPosition(const WebCore::IntPoint&, float scale); |
| void setViewportSize(const WebCore::IntSize&, float scale); |
| |
| void updateSceneState(const WebCore::CoordinatedGraphicsState&); |
| void updateScene(); |
| |
| void invalidate(); |
| |
| void forceRepaint(); |
| |
| RefPtr<WebCore::DisplayRefreshMonitor> displayRefreshMonitor(WebCore::PlatformDisplayID); |
| |
| void frameComplete(); |
| |
| void suspend(); |
| void resume(); |
| |
| private: |
| ThreadedCompositor(Client&, ThreadedDisplayRefreshMonitor::Client&, WebCore::PlatformDisplayID, const WebCore::IntSize&, float scaleFactor, WebCore::TextureMapper::PaintFlags); |
| |
| // CoordinatedGraphicsSceneClient |
| void updateViewport() override; |
| |
| void renderLayerTree(); |
| void sceneUpdateFinished(); |
| |
| void createGLContext(); |
| |
| Client& m_client; |
| RefPtr<CoordinatedGraphicsScene> m_scene; |
| std::unique_ptr<WebCore::GLContext> m_context; |
| |
| uintptr_t m_nativeSurfaceHandle; |
| WebCore::TextureMapper::PaintFlags m_paintFlags { 0 }; |
| unsigned m_suspendedCount { 0 }; |
| |
| std::unique_ptr<CompositingRunLoop> m_compositingRunLoop; |
| |
| struct { |
| Lock lock; |
| WebCore::IntSize viewportSize; |
| WebCore::IntPoint scrollPosition; |
| float scaleFactor { 1 }; |
| bool needsResize { false }; |
| Vector<WebCore::CoordinatedGraphicsState> states; |
| |
| bool clientRendersNextFrame { false }; |
| } m_attributes; |
| |
| Ref<ThreadedDisplayRefreshMonitor> m_displayRefreshMonitor; |
| }; |
| |
| } // namespace WebKit |
| |
| #endif // USE(COORDINATED_GRAPHICS) |
| |