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/*
* Copyright (C) 2020 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) && ENABLE(WEBGL)
#include "Connection.h"
#include "GPUConnectionToWebProcess.h"
#include "GraphicsContextGLIdentifier.h"
#include "QualifiedRenderingResourceIdentifier.h"
#include "RemoteRenderingBackend.h"
#include "ScopedWebGLRenderingResourcesRequest.h"
#include "StreamMessageReceiver.h"
#include "StreamServerConnection.h"
#include <WebCore/NotImplemented.h>
#include <wtf/ThreadAssertions.h>
#include <wtf/WeakPtr.h>
#if PLATFORM(COCOA)
#include <WebCore/GraphicsContextGLCocoa.h>
#else
#include <WebCore/GraphicsContextGLTextureMapper.h>
#endif
#if PLATFORM(MAC)
#include <CoreGraphics/CGDisplayConfiguration.h>
#endif
#if USE(GRAPHICS_LAYER_WC)
#include "WCContentBufferIdentifier.h"
#endif
#if ENABLE(VIDEO)
#include "RemoteVideoFrameIdentifier.h"
#include "RemoteVideoFrameProxy.h"
#endif
#if PLATFORM(COCOA)
namespace WTF {
class MachSendRight;
}
#endif
namespace WebKit {
#if ENABLE(VIDEO)
class RemoteVideoFrameObjectHeap;
#endif
// GPU process side implementation of that receives messages about GraphicsContextGL calls
// and issues real GraphicsContextGL calls based on the received messages.
// The implementation is largely generated by running Tools/Scripts/generate-gpup-webgl.
class RemoteGraphicsContextGL : private WebCore::GraphicsContextGL::Client, public IPC::StreamMessageReceiver {
WTF_MAKE_FAST_ALLOCATED;
public:
static Ref<RemoteGraphicsContextGL> create(GPUConnectionToWebProcess&, WebCore::GraphicsContextGLAttributes&&, GraphicsContextGLIdentifier, RemoteRenderingBackend&, IPC::StreamConnectionBuffer&&);
~RemoteGraphicsContextGL() override;
void stopListeningForIPC(Ref<RemoteGraphicsContextGL>&& refFromConnection);
void didReceiveStreamMessage(IPC::StreamServerConnectionBase&, IPC::Decoder&) final;
#if PLATFORM(MAC)
void displayWasReconfigured();
#endif
protected:
RemoteGraphicsContextGL(GPUConnectionToWebProcess&, GraphicsContextGLIdentifier, RemoteRenderingBackend&, IPC::StreamConnectionBuffer&&);
void initialize(WebCore::GraphicsContextGLAttributes&&);
void workQueueInitialize(WebCore::GraphicsContextGLAttributes&&);
virtual void platformWorkQueueInitialize(WebCore::GraphicsContextGLAttributes&&) { };
void workQueueUninitialize();
template<typename T>
bool send(T&& message) const { return m_streamConnection->connection().send(WTFMove(message), m_graphicsContextGLIdentifier); }
// GraphicsContextGL::Client overrides.
void didComposite() final;
void forceContextLost() final;
void recycleContext() final;
void dispatchContextChangedNotification() final;
// Messages to be received.
void ensureExtensionEnabled(String&&);
void markContextChanged();
void reshape(int32_t width, int32_t height);
#if PLATFORM(COCOA)
virtual void prepareForDisplay(CompletionHandler<void(WTF::MachSendRight&&)>&&) = 0;
#elif USE(GRAPHICS_LAYER_WC)
virtual void prepareForDisplay(CompletionHandler<void(std::optional<WCContentBufferIdentifier>)>&&) = 0;
#else
void prepareForDisplay(CompletionHandler<void()>&&);
#endif
void getError(CompletionHandler<void(uint32_t)>&&);
void synthesizeGLError(uint32_t error);
void paintRenderingResultsToCanvas(WebCore::RenderingResourceIdentifier, CompletionHandler<void()>&&);
void paintCompositedResultsToCanvas(WebCore::RenderingResourceIdentifier, CompletionHandler<void()>&&);
#if ENABLE(MEDIA_STREAM)
void paintCompositedResultsToMediaSample(CompletionHandler<void(std::optional<WebKit::RemoteVideoFrameProxy::Properties>&&)>&&);
#endif
#if ENABLE(VIDEO)
void copyTextureFromVideoFrame(RemoteVideoFrameReadReference, uint32_t texture, uint32_t target, int32_t level, uint32_t internalFormat, uint32_t format, uint32_t type, bool premultiplyAlpha, bool flipY, CompletionHandler<void(bool)>&&);
#endif
void simulateEventForTesting(WebCore::GraphicsContextGL::SimulatedEventForTesting);
#include "RemoteGraphicsContextGLFunctionsGenerated.h" // NOLINT
private:
void paintRenderingResultsToCanvasWithQualifiedIdentifier(QualifiedRenderingResourceIdentifier, CompletionHandler<void()>&&);
void paintCompositedResultsToCanvasWithQualifiedIdentifier(QualifiedRenderingResourceIdentifier, CompletionHandler<void()>&&);
void paintPixelBufferToImageBuffer(std::optional<WebCore::PixelBuffer>&&, QualifiedRenderingResourceIdentifier, CompletionHandler<void()>&&);
protected:
WeakPtr<GPUConnectionToWebProcess> m_gpuConnectionToWebProcess;
RefPtr<IPC::StreamServerConnection> m_streamConnection;
static constexpr Seconds defaultTimeout = 10_s;
#if PLATFORM(COCOA)
using GCGLContext = WebCore::GraphicsContextGLCocoa;
#else
using GCGLContext = WebCore::GraphicsContextGLTextureMapper;
#endif
RefPtr<GCGLContext> m_context WTF_GUARDED_BY_LOCK(m_streamThread);
GraphicsContextGLIdentifier m_graphicsContextGLIdentifier;
Ref<RemoteRenderingBackend> m_renderingBackend;
#if ENABLE(VIDEO)
Ref<RemoteVideoFrameObjectHeap> m_videoFrameObjectHeap;
#endif
ScopedWebGLRenderingResourcesRequest m_renderingResourcesRequest;
NO_UNIQUE_ADDRESS ThreadAssertion m_streamThread;
WebCore::ProcessIdentifier m_webProcessIdentifier;
};
IPC::StreamConnectionWorkQueue& remoteGraphicsContextGLStreamWorkQueue();
} // namespace WebKit
#endif
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