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/*
* 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 <WebCore/Damage.h>
#include <WebCore/DisplayUpdate.h>
#include <WebCore/GLContext.h>
#include <WebCore/IntSize.h>
#include <WebCore/TextureMapperDamageVisualizer.h>
#include <atomic>
#include <optional>
#include <wtf/Atomics.h>
#include <wtf/CheckedPtr.h>
#include <wtf/Noncopyable.h>
#include <wtf/OptionSet.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/ThreadSafeRefCounted.h>
namespace WebCore {
class TextureMapper;
class TransformationMatrix;
}
namespace WebKit {
class AcceleratedSurface;
class CoordinatedSceneState;
class LayerTreeHost;
class ThreadedCompositor : public ThreadSafeRefCounted<ThreadedCompositor>, public CanMakeThreadSafeCheckedPtr<ThreadedCompositor> {
WTF_MAKE_TZONE_ALLOCATED(ThreadedCompositor);
WTF_MAKE_NONCOPYABLE(ThreadedCompositor);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(ThreadedCompositor);
public:
static Ref<ThreadedCompositor> create(LayerTreeHost&);
virtual ~ThreadedCompositor();
uint64_t surfaceID() const;
int maxTextureSize() const { return m_maxTextureSize; }
void backgroundColorDidChange();
#if PLATFORM(WPE) && USE(GBM) && ENABLE(WPE_PLATFORM)
void preferredBufferFormatsDidChange();
#endif
void setSize(const WebCore::IntSize&, float);
uint32_t requestComposition();
void scheduleUpdate();
RunLoop* runLoop();
void invalidate();
void suspend();
void resume();
bool isActive() const;
std::optional<float> fps() const { return m_fpsCounter.fps.load(); };
#if ENABLE(DAMAGE_TRACKING)
enum class DamagePropagationFlags : uint8_t {
Unified = 1 << 0,
UseForCompositing = 1 << 1
};
void setDamagePropagationFlags(std::optional<OptionSet<DamagePropagationFlags>>);
void enableFrameDamageNotificationForTesting();
#endif
private:
explicit ThreadedCompositor(LayerTreeHost&);
void updateSceneState();
void renderLayerTree();
void paintToCurrentGLContext(const WebCore::TransformationMatrix&, const WebCore::IntSize&);
void frameComplete();
void didRenderFrameTimerFired();
void updateSceneAttributes(const WebCore::IntSize&, float deviceScaleFactor);
void initializeFPSCounter();
void updateFPSCounter();
CheckedPtr<LayerTreeHost> m_layerTreeHost;
RefPtr<AcceleratedSurface> m_surface;
RefPtr<CoordinatedSceneState> m_sceneState;
std::unique_ptr<WebCore::GLContext> m_context;
bool m_flipY { false };
int m_maxTextureSize { 0 };
std::atomic<unsigned> m_suspendedCount { 0 };
std::unique_ptr<CompositingRunLoop> m_compositingRunLoop;
struct {
Lock lock;
WebCore::IntSize viewportSize;
float deviceScaleFactor { 1 };
} m_attributes;
std::unique_ptr<WebCore::TextureMapper> m_textureMapper;
struct {
bool exposesFPS { false };
Seconds calculationInterval { 1_s };
MonotonicTime lastCalculationTimestamp;
unsigned frameCountSinceLastCalculation { 0 };
std::atomic<std::optional<float>> fps;
} m_fpsCounter;
#if ENABLE(DAMAGE_TRACKING)
struct {
std::optional<OptionSet<DamagePropagationFlags>> flags;
std::unique_ptr<WebCore::TextureMapperDamageVisualizer> visualizer;
std::atomic<bool> shouldNotifyFrameDamageForTesting { false };
} m_damage;
#endif
std::atomic<uint32_t> m_compositionRequestID { 0 };
std::atomic<uint32_t> m_compositionResponseID { 0 };
RunLoop::Timer m_didRenderFrameTimer;
};
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS)
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