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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 "RemoteDisplayListRecorderIdentifier.h"
#include <WebCore/DisplayListRecorder.h>
#include <WebCore/GraphicsContext.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/ThreadSafeWeakPtr.h>
#include <wtf/URL.h>
namespace IPC {
class Signal;
class Semaphore;
class StreamClientConnection;
}
namespace WebKit {
class RemoteRenderingBackendProxy;
class RemoteImageBufferProxy;
class SharedVideoFrameWriter;
class RemoteDisplayListRecorderProxy : public WebCore::DisplayList::Recorder {
WTF_MAKE_TZONE_ALLOCATED(RemoteDisplayListRecorderProxy);
public:
RemoteDisplayListRecorderProxy(const WebCore::DestinationColorSpace&, WebCore::RenderingMode, const WebCore::FloatRect& initialClip, const WebCore::AffineTransform&, RemoteRenderingBackendProxy&);
RemoteDisplayListRecorderProxy(const WebCore::DestinationColorSpace&, WebCore::ContentsFormat, WebCore::RenderingMode, const WebCore::FloatRect& initialClip, const WebCore::AffineTransform&, RemoteDisplayListRecorderIdentifier, RemoteRenderingBackendProxy&);
~RemoteDisplayListRecorderProxy();
RemoteDisplayListRecorderIdentifier identifier() const { return m_identifier; }
// Called when rendering backend connection is lost.
void disconnect();
// Called when rendering backend gets discarded but reference to the owning image buffer is still referenced.
void abandon();
void setClient(ThreadSafeWeakPtr<RemoteImageBufferProxy>&& client) { m_client = WTFMove(client); }
// Returns false if there has not been any potential draws since last call.
// Returns true if there has been potential draws since last call.
bool consumeHasDrawn();
private:
template<typename T> void send(T&& message);
void didBecomeUnresponsive() const;
WebCore::RenderingMode renderingMode() const final;
void save(WebCore::GraphicsContextState::Purpose) final;
void restore(WebCore::GraphicsContextState::Purpose) final;
void translate(float x, float y) final;
void rotate(float angle) final;
void scale(const WebCore::FloatSize&) final;
void setCTM(const WebCore::AffineTransform&) final;
void concatCTM(const WebCore::AffineTransform&) final;
void setLineCap(WebCore::LineCap) final;
void setLineDash(const WebCore::DashArray&, float dashOffset) final;
void setLineJoin(WebCore::LineJoin) final;
void setMiterLimit(float) final;
void clip(const WebCore::FloatRect&) final;
void clipRoundedRect(const WebCore::FloatRoundedRect&) final;
void clipOut(const WebCore::FloatRect&) final;
void clipOut(const WebCore::Path&) final;
void clipOutRoundedRect(const WebCore::FloatRoundedRect&) final;
void clipPath(const WebCore::Path&, WebCore::WindRule) final;
void clipToImageBuffer(WebCore::ImageBuffer&, const WebCore::FloatRect& destinationRect) final;
void resetClip() final;
void beginTransparencyLayer(float) final;
void beginTransparencyLayer(WebCore::CompositeOperator, WebCore::BlendMode) final;
void endTransparencyLayer() final;
void drawFilteredImageBuffer(WebCore::ImageBuffer*, const WebCore::FloatRect&, WebCore::Filter&, WebCore::FilterResults&) final;
void drawImageBuffer(WebCore::ImageBuffer&, const WebCore::FloatRect& destRect, const WebCore::FloatRect& srcRect, WebCore::ImagePaintingOptions) final;
void drawNativeImageInternal(WebCore::NativeImage&, const WebCore::FloatRect& destRect, const WebCore::FloatRect& srcRect, WebCore::ImagePaintingOptions) final;
void drawSystemImage(WebCore::SystemImage&, const WebCore::FloatRect&) final;
void drawRect(const WebCore::FloatRect&, float) final;
void drawLine(const WebCore::FloatPoint& point1, const WebCore::FloatPoint& point2) final;
void drawLinesForText(const WebCore::FloatPoint&, float thickness, std::span<const WebCore::FloatSegment>, bool isPrinting, bool doubleLines, WebCore::StrokeStyle) final;
void drawDotsForDocumentMarker(const WebCore::FloatRect&, WebCore::DocumentMarkerLineStyle) final;
void drawEllipse(const WebCore::FloatRect&) final;
void drawPath(const WebCore::Path&) final;
void drawFocusRing(const WebCore::Path&, float outlineWidth, const WebCore::Color&) final;
void drawFocusRing(const Vector<WebCore::FloatRect>&, float outlineOffset, float outlineWidth, const WebCore::Color&) final;
void drawPattern(WebCore::NativeImage&, const WebCore::FloatRect& destRect, const WebCore::FloatRect& tileRect, const WebCore::AffineTransform&, const WebCore::FloatPoint& phase, const WebCore::FloatSize& spacing, WebCore::ImagePaintingOptions = { }) final;
void drawPattern(WebCore::ImageBuffer&, const WebCore::FloatRect& destRect, const WebCore::FloatRect& tileRect, const WebCore::AffineTransform&, const WebCore::FloatPoint& phase, const WebCore::FloatSize& spacing, WebCore::ImagePaintingOptions = { }) final;
void fillPath(const WebCore::Path&) final;
void fillRect(const WebCore::FloatRect&, RequiresClipToRect) final;
void fillRect(const WebCore::FloatRect&, const WebCore::Color&) final;
void fillRect(const WebCore::FloatRect&, WebCore::Gradient&) final;
void fillRect(const WebCore::FloatRect&, WebCore::Gradient&, const WebCore::AffineTransform&, RequiresClipToRect) final;
void fillRect(const WebCore::FloatRect&, const WebCore::Color&, WebCore::CompositeOperator, WebCore::BlendMode) final;
void fillRoundedRect(const WebCore::FloatRoundedRect&, const WebCore::Color&, WebCore::BlendMode) final;
void fillRectWithRoundedHole(const WebCore::FloatRect&, const WebCore::FloatRoundedRect&, const WebCore::Color&) final;
void fillEllipse(const WebCore::FloatRect&) final;
#if ENABLE(VIDEO)
void drawVideoFrame(WebCore::VideoFrame&, const WebCore::FloatRect& distination, WebCore::ImageOrientation, bool shouldDiscardAlpha) final;
#endif
void strokePath(const WebCore::Path&) final;
void strokeRect(const WebCore::FloatRect&, float) final;
void strokeEllipse(const WebCore::FloatRect&) final;
void clearRect(const WebCore::FloatRect&) final;
void drawControlPart(WebCore::ControlPart&, const WebCore::FloatRoundedRect& borderRect, float deviceScaleFactor, const WebCore::ControlStyle&) final;
void drawGlyphs(const WebCore::Font&, std::span<const WebCore::GlyphBufferGlyph>, std::span<const WebCore::GlyphBufferAdvance>, const WebCore::FloatPoint& localAnchor, WebCore::FontSmoothingMode) final;
void drawGlyphsImmediate(const WebCore::Font&, std::span<const WebCore::GlyphBufferGlyph>, std::span<const WebCore::GlyphBufferAdvance>, const WebCore::FloatPoint& localAnchor, WebCore::FontSmoothingMode) final;
void drawDecomposedGlyphs(const WebCore::Font&, const WebCore::DecomposedGlyphs&) final;
#if USE(CG)
void applyStrokePattern() final;
void applyFillPattern() final;
#endif
void applyDeviceScaleFactor(float) final;
void beginPage(const WebCore::IntSize& pageSize) final;
void endPage() final;
void setURLForRect(const URL&, const WebCore::FloatRect&) final;
bool recordResourceUse(WebCore::NativeImage&);
bool recordResourceUse(WebCore::ImageBuffer&);
bool recordResourceUse(const WebCore::SourceImage&);
bool recordResourceUse(WebCore::Font&);
bool recordResourceUse(WebCore::DecomposedGlyphs&);
bool recordResourceUse(WebCore::Gradient&);
bool recordResourceUse(WebCore::Filter&);
// Synchronizes draw state.
void appendStateChangeItemIfNecessary() final;
struct InlineStrokeData {
std::optional<WebCore::PackedColor::RGBA> color;
std::optional<float> thickness;
};
// Synchronizes draw state and returns stroke state that needs to be sent inline with the stroke command.
InlineStrokeData appendStateChangeItemForInlineStrokeIfNecessary();
RefPtr<WebCore::ImageBuffer> createImageBuffer(const WebCore::FloatSize&, float resolutionScale, const WebCore::DestinationColorSpace&, std::optional<WebCore::RenderingMode>, std::optional<WebCore::RenderingMethod>, WebCore::ImageBufferFormat) const final;
RefPtr<WebCore::ImageBuffer> createAlignedImageBuffer(const WebCore::FloatSize&, const WebCore::DestinationColorSpace&, std::optional<WebCore::RenderingMethod>) const final;
RefPtr<WebCore::ImageBuffer> createAlignedImageBuffer(const WebCore::FloatRect&, const WebCore::DestinationColorSpace&, std::optional<WebCore::RenderingMethod>) const final;
#if HAVE(SUPPORT_HDR_DISPLAY)
void setMaxEDRHeadroom(std::optional<float> headroom) final { m_maxEDRHeadroom = headroom; }
float maxPaintedEDRHeadroom() const final { return m_maxPaintedEDRHeadroom; }
float maxRequestedEDRHeadroom() const final { return m_maxRequestedEDRHeadroom; }
void clearMaxEDRHeadrooms() final { m_maxPaintedEDRHeadroom = 1; m_maxRequestedEDRHeadroom = 1; }
#endif
const WebCore::RenderingMode m_renderingMode;
const RemoteDisplayListRecorderIdentifier m_identifier;
RefPtr<IPC::StreamClientConnection> m_connection;
WeakPtr<RemoteRenderingBackendProxy> m_renderingBackend;
std::optional<WebCore::ContentsFormat> m_contentsFormat;
ThreadSafeWeakPtr<RemoteImageBufferProxy> m_client;
#if PLATFORM(COCOA) && ENABLE(VIDEO)
Lock m_sharedVideoFrameWriterLock;
std::unique_ptr<SharedVideoFrameWriter> m_sharedVideoFrameWriter WTF_GUARDED_BY_LOCK(m_sharedVideoFrameWriterLock);
#endif
#if HAVE(SUPPORT_HDR_DISPLAY)
std::optional<float> m_maxEDRHeadroom;
float m_maxPaintedEDRHeadroom { 1 };
float m_maxRequestedEDRHeadroom { 1 };
#endif
// Flag for pending draws. Start with true because we do not know what commands have been scheduled to the context.
bool m_hasDrawn { true };
};
inline bool RemoteDisplayListRecorderProxy::consumeHasDrawn()
{
return std::exchange(m_hasDrawn, false);
}
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
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