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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 "GPUProcess.h"
#include "GraphicsContextGLIdentifier.h"
#include "RemoteRenderingBackend.h"
#include "RemoteSharedResourceCache.h"
#include "ScopedWebGLRenderingResourcesRequest.h"
#include "SharedPreferencesForWebProcess.h"
#include "SharedVideoFrame.h"
#include "StreamMessageReceiver.h"
#include "StreamServerConnection.h"
#include <WebCore/NotImplemented.h>
#include <WebCore/PixelBuffer.h>
#include <WebCore/ProcessIdentity.h>
#include <WebCore/RenderingResourceIdentifier.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/ThreadAssertions.h>
#include <wtf/ThreadSafeWeakPtr.h>
#include <wtf/WeakPtr.h>
#if PLATFORM(COCOA)
#include <WebCore/GraphicsContextGLCocoa.h>
#elif USE(GBM)
#include <WebCore/DMABufBuffer.h>
#include <WebCore/GraphicsContextGLTextureMapperGBM.h>
#else
#include <WebCore/GraphicsContextGLTextureMapperANGLE.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
IPC::StreamConnectionWorkQueue& remoteGraphicsContextGLStreamWorkQueueSingleton();
// 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_TZONE_ALLOCATED(RemoteGraphicsContextGL);
public:
static Ref<RemoteGraphicsContextGL> create(GPUConnectionToWebProcess&, WebCore::GraphicsContextGLAttributes&&, GraphicsContextGLIdentifier, RemoteRenderingBackend&, Ref<IPC::StreamServerConnection>&&);
~RemoteGraphicsContextGL() override;
void stopListeningForIPC(Ref<RemoteGraphicsContextGL>&& refFromConnection);
std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const { return m_sharedPreferencesForWebProcess; }
void didReceiveStreamMessage(IPC::StreamServerConnection&, IPC::Decoder&) final;
protected:
RemoteGraphicsContextGL(GPUConnectionToWebProcess&, GraphicsContextGLIdentifier, RemoteRenderingBackend&, Ref<IPC::StreamServerConnection>&&);
void initialize(WebCore::GraphicsContextGLAttributes&&);
IPC::StreamConnectionWorkQueue& workQueue() const { return m_workQueue; }
void workQueueInitialize(WebCore::GraphicsContextGLAttributes&&);
virtual void platformWorkQueueInitialize(WebCore::GraphicsContextGLAttributes&&) { };
void workQueueUninitialize();
template<typename T>
IPC::Error send(T&& message) const
{
// FIXME: Remove this suppression once https://github.com/llvm/llvm-project/pull/119336 is merged.
IGNORE_CLANG_STATIC_ANALYZER_WARNINGS_BEGIN("alpha.webkit.UncountedCallArgsChecker")
return Ref { *m_streamConnection }->send(std::forward<T>(message), m_graphicsContextGLIdentifier);
IGNORE_CLANG_STATIC_ANALYZER_WARNINGS_END
}
// GraphicsContextGL::Client overrides.
void forceContextLost() final;
void addDebugMessage(GCGLenum, GCGLenum, GCGLenum, const String&) final;
// Messages to be received.
void ensureExtensionEnabled(String&&);
void reshape(int32_t width, int32_t height);
#if PLATFORM(COCOA)
virtual void prepareForDisplay(IPC::Semaphore&&, CompletionHandler<void(WTF::MachSendRight&&)>&&) = 0;
#elif USE(GRAPHICS_LAYER_WC)
virtual void prepareForDisplay(CompletionHandler<void(std::optional<WCContentBufferIdentifier>)>&&) = 0;
#elif USE(GBM)
virtual void prepareForDisplay(CompletionHandler<void(uint64_t, std::optional<WebCore::DMABufBuffer::Attributes>&&, UnixFileDescriptor&&)>&&) = 0;
#else
void prepareForDisplay(CompletionHandler<void()>&&);
#endif
void getErrors(CompletionHandler<void(GCGLErrorCodeSet)>&&);
void drawSurfaceBufferToImageBuffer(WebCore::GraphicsContextGL::SurfaceBuffer, WebCore::RenderingResourceIdentifier, CompletionHandler<void()>&&);
#if ENABLE(MEDIA_STREAM) || ENABLE(WEB_CODECS)
void surfaceBufferToVideoFrame(WebCore::GraphicsContextGL::SurfaceBuffer, CompletionHandler<void(std::optional<WebKit::RemoteVideoFrameProxy::Properties>&&)>&&);
#endif
#if ENABLE(VIDEO) && PLATFORM(COCOA)
void copyTextureFromVideoFrame(SharedVideoFrame&&, PlatformGLObject texture, uint32_t target, int32_t level, uint32_t internalFormat, uint32_t format, uint32_t type, bool premultiplyAlpha, bool flipY, CompletionHandler<void(bool)>&&);
void setSharedVideoFrameSemaphore(IPC::Semaphore&&);
void setSharedVideoFrameMemory(WebCore::SharedMemory::Handle&&);
#endif
void simulateEventForTesting(WebCore::GraphicsContextGL::SimulatedEventForTesting);
void getBufferSubDataInline(uint32_t target, uint64_t offset, size_t dataSize, CompletionHandler<void(std::span<const uint8_t>)>&&);
void getBufferSubDataSharedMemory(uint32_t target, uint64_t offset, size_t dataSize, WebCore::SharedMemory::Handle, CompletionHandler<void(bool)>&&);
void readPixelsInline(WebCore::IntRect, uint32_t format, uint32_t type, bool packReverseRowOrder, CompletionHandler<void(std::optional<WebCore::IntSize>, std::span<const uint8_t>)>&&);
void readPixelsSharedMemory(WebCore::IntRect, uint32_t format, uint32_t type, bool packReverseRowOrder, WebCore::SharedMemory::Handle, CompletionHandler<void(std::optional<WebCore::IntSize>)>&&);
void multiDrawArraysANGLE(uint32_t mode, IPC::ArrayReferenceTuple<int32_t, int32_t>&& firstsAndCounts);
void multiDrawArraysInstancedANGLE(uint32_t mode, IPC::ArrayReferenceTuple<int32_t, int32_t, int32_t>&& firstsCountsAndInstanceCounts);
void multiDrawElementsANGLE(uint32_t mode, IPC::ArrayReferenceTuple<int32_t, int32_t>&& countsAndOffsets, uint32_t type);
void multiDrawElementsInstancedANGLE(uint32_t mode, IPC::ArrayReferenceTuple<int32_t, int32_t, int32_t>&& countsOffsetsAndInstanceCounts, uint32_t type);
void multiDrawArraysInstancedBaseInstanceANGLE(uint32_t mode, IPC::ArrayReferenceTuple<int32_t, int32_t, int32_t, uint32_t>&& firstsCountsInstanceCountsAndBaseInstances);
void multiDrawElementsInstancedBaseVertexBaseInstanceANGLE(uint32_t mode, IPC::ArrayReferenceTuple<int32_t, int32_t, int32_t, int32_t, uint32_t>&& countsOffsetsInstanceCountsBaseVerticesAndBaseInstances, uint32_t type);
void drawBuffers(std::span<const uint32_t>);
void drawBuffersEXT(std::span<const uint32_t>);
void invalidateFramebuffer(uint32_t target, std::span<const uint32_t> attachments);
void invalidateSubFramebuffer(uint32_t target, std::span<const uint32_t> attachments, int32_t x, int32_t y, int32_t width, int32_t height);
#if ENABLE(WEBXR)
void framebufferDiscard(uint32_t target, std::span<const uint32_t> attachments);
#endif
#if ENABLE(VIDEO)
Ref<RemoteVideoFrameObjectHeap> protectedVideoFrameObjectHeap() const;
#endif
#if PLATFORM(COCOA)
using GCGLContext = WebCore::GraphicsContextGLCocoa;
#elif USE(GBM)
using GCGLContext = WebCore::GraphicsContextGLTextureMapperGBM;
#else
using GCGLContext = WebCore::GraphicsContextGLTextureMapperANGLE;
#endif
#include "RemoteGraphicsContextGLFunctionsGenerated.h" // NOLINT
private:
void paintNativeImageToImageBuffer(WebCore::NativeImage&, WebCore::RenderingResourceIdentifier);
bool webXREnabled() const;
bool webXRPromptAccepted() const;
Ref<IPC::StreamConnectionWorkQueue> protectedWorkQueue() const { return m_workQueue; }
RefPtr<GCGLContext> protectedContext();
void messageCheck(bool);
protected:
ThreadSafeWeakPtr<GPUConnectionToWebProcess> m_gpuConnectionToWebProcess;
Ref<IPC::StreamConnectionWorkQueue> m_workQueue;
RefPtr<IPC::StreamServerConnection> m_streamConnection;
RefPtr<GCGLContext> m_context WTF_GUARDED_BY_CAPABILITY(workQueue());
GraphicsContextGLIdentifier m_graphicsContextGLIdentifier;
Ref<RemoteRenderingBackend> m_renderingBackend;
Ref<RemoteSharedResourceCache> m_sharedResourceCache;
#if ENABLE(VIDEO)
Ref<RemoteVideoFrameObjectHeap> m_videoFrameObjectHeap;
#if PLATFORM(COCOA)
SharedVideoFrameReader m_sharedVideoFrameReader;
#endif
#endif
ScopedWebGLRenderingResourcesRequest m_renderingResourcesRequest;
WebCore::ProcessIdentifier m_webProcessIdentifier;
SharedPreferencesForWebProcess m_sharedPreferencesForWebProcess;
HashMap<uint32_t, PlatformGLObject, IntHash<uint32_t>, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>> m_objectNames;
};
} // namespace WebKit
#endif
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