| /* |
| * 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/ExtensionsGL.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 PLATFORM(COCOA) |
| namespace WTF { |
| class MachSendRight; |
| } |
| #endif |
| |
| namespace WebKit { |
| |
| // 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 |
| |
| #if USE(GRAPHICS_LAYER_WC) |
| PlatformLayer* platformLayer() const { return m_context->platformLayer(); } |
| #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 reshape(int32_t width, int32_t height); |
| void ensureExtensionEnabled(String&&); |
| void notifyMarkContextChanged(); |
| #if PLATFORM(COCOA) |
| virtual void prepareForDisplay(CompletionHandler<void(WTF::MachSendRight&&)>&&) = 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()>&&); |
| void copyTextureFromMedia(WebCore::MediaPlayerIdentifier, 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)>&&); |
| 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; |
| #if PLATFORM(COCOA) |
| using PlatformGraphicsContextGL = WebCore::GraphicsContextGLCocoa; |
| #else |
| using PlatformGraphicsContextGL = WebCore::GraphicsContextGLTextureMapper; |
| #endif |
| |
| RefPtr<PlatformGraphicsContextGL> m_context WTF_GUARDED_BY_LOCK(m_streamThread); |
| GraphicsContextGLIdentifier m_graphicsContextGLIdentifier; |
| Ref<RemoteRenderingBackend> m_renderingBackend; |
| ScopedWebGLRenderingResourcesRequest m_renderingResourcesRequest; |
| NO_UNIQUE_ADDRESS ThreadAssertion m_streamThread; |
| WebCore::ProcessIdentifier m_webProcessIdentifier; |
| }; |
| |
| IPC::StreamConnectionWorkQueue& remoteGraphicsContextGLStreamWorkQueue(); |
| |
| } // namespace WebKit |
| |
| #endif |