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/*
* Copyright (C) 2021-2024 Apple Inc. All rights reserved.
*
* 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 ENABLE(GPU_PROCESS)
#include "Decoder.h"
#include "RemoteRenderingBackend.h"
#include "StreamMessageReceiver.h"
#include "StreamServerConnection.h"
#include <WebCore/ControlFactory.h>
#include <WebCore/DisplayListItems.h>
#include <WebCore/ProcessIdentifier.h>
#include <WebCore/RenderingResourceIdentifier.h>
#include <wtf/RefCounted.h>
#include <wtf/URL.h>
#include <wtf/WeakPtr.h>
#if !LOG_DISABLED
#include "Logging.h"
#include <wtf/text/TextStream.h>
#endif
namespace WebKit {
class RemoteRenderingBackend;
class RemoteResourceCache;
class SharedVideoFrameReader;
struct SharedPreferencesForWebProcess;
class RemoteDisplayListRecorder : public IPC::StreamMessageReceiver, public CanMakeWeakPtr<RemoteDisplayListRecorder> {
public:
static Ref<RemoteDisplayListRecorder> create(WebCore::ImageBuffer& imageBuffer, WebCore::RenderingResourceIdentifier imageBufferIdentifier, RemoteRenderingBackend& renderingBackend)
{
auto instance = adoptRef(*new RemoteDisplayListRecorder(imageBuffer, imageBufferIdentifier, renderingBackend));
instance->startListeningForIPC();
return instance;
}
~RemoteDisplayListRecorder();
void stopListeningForIPC();
void save();
void restore();
void translate(float x, float y);
void rotate(float angle);
void scale(const WebCore::FloatSize& scale);
void setCTM(const WebCore::AffineTransform&);
void concatenateCTM(const WebCore::AffineTransform&);
void setInlineFillColor(WebCore::DisplayList::SetInlineFillColor&&);
void setInlineStroke(WebCore::DisplayList::SetInlineStroke&&);
void setState(WebCore::DisplayList::SetState&&);
void setLineCap(WebCore::LineCap);
void setLineDash(WebCore::DisplayList::SetLineDash&&);
void setLineJoin(WebCore::LineJoin);
void setMiterLimit(float);
void clearDropShadow();
void clip(const WebCore::FloatRect&);
void clipRoundedRect(const WebCore::FloatRoundedRect&);
void clipOut(const WebCore::FloatRect&);
void clipOutRoundedRect(const WebCore::FloatRoundedRect&);
void clipToImageBuffer(WebCore::RenderingResourceIdentifier, const WebCore::FloatRect& destinationRect);
void clipOutToPath(const WebCore::Path&);
void clipPath(const WebCore::Path&, WebCore::WindRule);
void resetClip();
void drawGlyphs(WebCore::DisplayList::DrawGlyphs&&);
void drawDecomposedGlyphs(WebCore::RenderingResourceIdentifier fontIdentifier, WebCore::RenderingResourceIdentifier decomposedGlyphsIdentifier);
void drawFilteredImageBuffer(std::optional<WebCore::RenderingResourceIdentifier> sourceImageIdentifier, const WebCore::FloatRect& sourceImageRect, Ref<WebCore::Filter>);
void drawImageBuffer(WebCore::RenderingResourceIdentifier imageBufferIdentifier, const WebCore::FloatRect& destinationRect, const WebCore::FloatRect& srcRect, WebCore::ImagePaintingOptions);
void drawNativeImage(WebCore::RenderingResourceIdentifier imageIdentifier, const WebCore::FloatRect& destRect, const WebCore::FloatRect& srcRect, WebCore::ImagePaintingOptions);
void drawSystemImage(Ref<WebCore::SystemImage>, const WebCore::FloatRect&);
#if PLATFORM(COCOA) && ENABLE(VIDEO)
void drawVideoFrame(SharedVideoFrame&&, const WebCore::FloatRect& destination, WebCore::ImageOrientation, bool shouldDiscardAlpha);
#endif
void drawPattern(WebCore::RenderingResourceIdentifier imageIdentifier, const WebCore::FloatRect& destRect, const WebCore::FloatRect& tileRect, const WebCore::AffineTransform&, const WebCore::FloatPoint&, const WebCore::FloatSize& spacing, WebCore::ImagePaintingOptions);
void beginTransparencyLayer(float opacity);
void beginTransparencyLayerWithCompositeMode(WebCore::CompositeMode);
void endTransparencyLayer();
void drawRect(const WebCore::FloatRect&, float borderThickness);
void drawLine(const WebCore::FloatPoint& point1, const WebCore::FloatPoint& point2);
void drawLinesForText(WebCore::DisplayList::DrawLinesForText&&);
void drawDotsForDocumentMarker(const WebCore::FloatRect&, const WebCore::DocumentMarkerLineStyle&);
void drawEllipse(const WebCore::FloatRect&);
void drawPath(const WebCore::Path&);
void drawFocusRingPath(const WebCore::Path&, float outlineWidth, const WebCore::Color&);
void drawFocusRingRects(const Vector<WebCore::FloatRect>&, float outlineOffset, float outlineWidth, const WebCore::Color&);
void fillRect(const WebCore::FloatRect&, WebCore::GraphicsContext::RequiresClipToRect);
void fillRectWithColor(const WebCore::FloatRect&, const WebCore::Color&);
void fillRectWithGradient(WebCore::DisplayList::FillRectWithGradient&&);
void fillRectWithGradientAndSpaceTransform(WebCore::DisplayList::FillRectWithGradientAndSpaceTransform&&);
void fillCompositedRect(const WebCore::FloatRect&, const WebCore::Color&, WebCore::CompositeOperator, WebCore::BlendMode);
void fillRoundedRect(const WebCore::FloatRoundedRect&, const WebCore::Color&, WebCore::BlendMode);
void fillRectWithRoundedHole(const WebCore::FloatRect&, const WebCore::FloatRoundedRect&, const WebCore::Color&);
#if ENABLE(INLINE_PATH_DATA)
void fillLine(const WebCore::PathDataLine&);
void fillArc(const WebCore::PathArc&);
void fillClosedArc(const WebCore::PathClosedArc&);
void fillQuadCurve(const WebCore::PathDataQuadCurve&);
void fillBezierCurve(const WebCore::PathDataBezierCurve&);
#endif
void fillPathSegment(const WebCore::PathSegment&);
void fillPath(const WebCore::Path&);
void fillEllipse(const WebCore::FloatRect&);
void strokeRect(const WebCore::FloatRect&, float lineWidth);
#if ENABLE(INLINE_PATH_DATA)
void strokeLine(const WebCore::PathDataLine&);
void strokeLineWithColorAndThickness(const WebCore::PathDataLine&, WebCore::DisplayList::SetInlineStroke&&);
void strokeArc(const WebCore::PathArc&);
void strokeClosedArc(const WebCore::PathClosedArc&);
void strokeQuadCurve(const WebCore::PathDataQuadCurve&);
void strokeBezierCurve(const WebCore::PathDataBezierCurve&);
#endif
void strokePathSegment(const WebCore::PathSegment&);
void strokePath(const WebCore::Path&);
void strokeEllipse(const WebCore::FloatRect&);
void clearRect(const WebCore::FloatRect&);
void drawControlPart(Ref<WebCore::ControlPart>, const WebCore::FloatRoundedRect& borderRect, float deviceScaleFactor, const WebCore::ControlStyle&);
#if USE(CG)
void applyStrokePattern();
void applyFillPattern();
#endif
void applyDeviceScaleFactor(float);
std::optional<WebKit::SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const;
void beginPage(const WebCore::IntSize& pageSize);
void endPage();
void setURLForRect(const URL&, const WebCore::FloatRect&);
private:
RemoteDisplayListRecorder(WebCore::ImageBuffer&, WebCore::RenderingResourceIdentifier, RemoteRenderingBackend&);
void drawFilteredImageBufferInternal(std::optional<WebCore::RenderingResourceIdentifier> sourceImageIdentifier, const WebCore::FloatRect& sourceImageRect, WebCore::Filter&, WebCore::FilterResults&);
RemoteResourceCache& resourceCache() const;
WebCore::ControlFactory& controlFactory();
Ref<WebCore::ControlFactory> protectedControlFactory() { return controlFactory(); }
WebCore::GraphicsContext& drawingContext() { return Ref { m_imageBuffer }->context(); }
RefPtr<WebCore::ImageBuffer> imageBuffer(WebCore::RenderingResourceIdentifier) const;
std::optional<WebCore::SourceImage> sourceImage(WebCore::RenderingResourceIdentifier) const;
RefPtr<RemoteRenderingBackend> protectedRenderingBackend() const { return m_renderingBackend; }
template<typename T, typename ... AdditionalArgs>
void handleItem(T&& item, AdditionalArgs&&... args)
{
// FIXME: In the future, we should consider buffering up batches of display list items before
// applying them instead of applying them immediately, so that we can apply clipping and occlusion
// optimizations to skip over parts of a display list, if possible.
LOG_WITH_STREAM(DisplayLists, stream << "handleItem " << item);
item.apply(drawingContext(), std::forward<AdditionalArgs>(args)...);
}
void startListeningForIPC();
void didReceiveStreamMessage(IPC::StreamServerConnection&, IPC::Decoder&) final;
#if PLATFORM(COCOA) && ENABLE(VIDEO)
SharedVideoFrameReader& sharedVideoFrameReader();
void setSharedVideoFrameSemaphore(IPC::Semaphore&&);
void setSharedVideoFrameMemory(WebCore::SharedMemory::Handle&&);
#endif
Ref<WebCore::ImageBuffer> m_imageBuffer;
WebCore::RenderingResourceIdentifier m_imageBufferIdentifier;
RefPtr<RemoteRenderingBackend> m_renderingBackend;
Ref<RemoteSharedResourceCache> m_sharedResourceCache;
RefPtr<WebCore::ControlFactory> m_controlFactory;
#if PLATFORM(COCOA) && ENABLE(VIDEO)
std::unique_ptr<SharedVideoFrameReader> m_sharedVideoFrameReader;
#endif
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
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