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/*
* Copyright (C) 2021-2025 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 "GPUProcessConnection.h"
#include "RemoteRenderingBackendIdentifier.h"
#include "StreamClientConnection.h"
#include "WebGPUIdentifier.h"
#include <WebCore/WebGPU.h>
#include <WebCore/WebGPUPresentationContext.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/ThreadSafeRefCounted.h>
namespace WebCore {
class IntSize;
class GraphicsContext;
class NativeImage;
namespace DDModel {
class DDMesh;
struct DDMeshDescriptor;
}
}
namespace WebKit {
class RemoteRenderingBackendProxy;
class WebPage;
namespace DDModel {
class ConvertToBackingContext;
}
namespace WebGPU {
class ConvertToBackingContext;
class DowncastConvertToBackingContext;
}
class RemoteGPUProxy final : public WebCore::WebGPU::GPU, private IPC::Connection::Client, public ThreadSafeRefCounted<RemoteGPUProxy>, SerialFunctionDispatcher {
WTF_MAKE_TZONE_ALLOCATED(RemoteGPUProxy);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RemoteGPUProxy);
public:
static RefPtr<RemoteGPUProxy> create(WebGPU::ConvertToBackingContext&, DDModel::ConvertToBackingContext&, WebPage&);
static RefPtr<RemoteGPUProxy> create(WebGPU::ConvertToBackingContext&, DDModel::ConvertToBackingContext&, RemoteRenderingBackendProxy&, SerialFunctionDispatcher&);
virtual ~RemoteGPUProxy();
RemoteGPUProxy& root() { return *this; }
IPC::StreamClientConnection& streamClientConnection() { return *m_streamConnection; }
Ref<IPC::StreamClientConnection> protectedStreamClientConnection() { return *m_streamConnection; }
void ref() const final { return ThreadSafeRefCounted<RemoteGPUProxy>::ref(); }
void deref() const final { return ThreadSafeRefCounted<RemoteGPUProxy>::deref(); }
void paintToCanvas(WebCore::NativeImage&, const WebCore::IntSize&, WebCore::GraphicsContext&) final;
WebGPUIdentifier backing() const { return m_backing; }
private:
friend class WebGPU::DowncastConvertToBackingContext;
RemoteGPUProxy(WebGPU::ConvertToBackingContext&, DDModel::ConvertToBackingContext&, SerialFunctionDispatcher&);
void initializeIPC(Ref<IPC::StreamClientConnection>&&, RemoteRenderingBackendIdentifier, IPC::StreamServerConnection::Handle&&);
RemoteGPUProxy(const RemoteGPUProxy&) = delete;
RemoteGPUProxy(RemoteGPUProxy&&) = delete;
RemoteGPUProxy& operator=(const RemoteGPUProxy&) = delete;
RemoteGPUProxy& operator=(RemoteGPUProxy&&) = delete;
bool isRemoteGPUProxy() const final { return true; }
// IPC::Connection::Client
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
void didClose(IPC::Connection&) final;
void didReceiveInvalidMessage(IPC::Connection&, IPC::MessageName, const Vector<uint32_t>& indicesOfObjectsFailingDecoding) final { }
// Messages to be received.
void wasCreated(bool didSucceed, IPC::Semaphore&& wakeUpSemaphore, IPC::Semaphore&& clientWaitSemaphore);
void waitUntilInitialized();
template<typename T>
WARN_UNUSED_RETURN IPC::Error send(T&& message)
{
return root().protectedStreamClientConnection()->send(std::forward<T>(message), backing());
}
template<typename T>
WARN_UNUSED_RETURN IPC::Connection::SendSyncResult<T> sendSync(T&& message)
{
return root().protectedStreamClientConnection()->sendSync(std::forward<T>(message), backing());
}
template<typename T, typename C>
WARN_UNUSED_RETURN std::optional<IPC::StreamClientConnection::AsyncReplyID> sendWithAsyncReply(T&& message, C&& completionHandler)
{
return root().protectedStreamClientConnection()->sendWithAsyncReply(WTFMove(message), completionHandler, backing());
}
void requestAdapter(const WebCore::WebGPU::RequestAdapterOptions&, CompletionHandler<void(RefPtr<WebCore::WebGPU::Adapter>&&)>&&) final;
RefPtr<WebCore::DDModel::DDMesh> createModelBacking(unsigned width, unsigned height, CompletionHandler<void(Vector<MachSendRight>&&)>&&) final;
RefPtr<WebCore::WebGPU::PresentationContext> createPresentationContext(const WebCore::WebGPU::PresentationContextDescriptor&) final;
RefPtr<WebCore::WebGPU::CompositorIntegration> createCompositorIntegration() final;
bool isValid(const WebCore::WebGPU::CompositorIntegration&) const final;
bool isValid(const WebCore::WebGPU::Buffer&) const final;
bool isValid(const WebCore::WebGPU::Adapter&) const final;
bool isValid(const WebCore::WebGPU::BindGroup&) const final;
bool isValid(const WebCore::WebGPU::BindGroupLayout&) const final;
bool isValid(const WebCore::WebGPU::CommandBuffer&) const final;
bool isValid(const WebCore::WebGPU::CommandEncoder&) const final;
bool isValid(const WebCore::WebGPU::ComputePassEncoder&) const final;
bool isValid(const WebCore::WebGPU::ComputePipeline&) const final;
bool isValid(const WebCore::WebGPU::Device&) const final;
bool isValid(const WebCore::WebGPU::ExternalTexture&) const final;
bool isValid(const WebCore::WebGPU::PipelineLayout&) const final;
bool isValid(const WebCore::WebGPU::PresentationContext&) const final;
bool isValid(const WebCore::WebGPU::QuerySet&) const final;
bool isValid(const WebCore::WebGPU::Queue&) const final;
bool isValid(const WebCore::WebGPU::RenderBundleEncoder&) const final;
bool isValid(const WebCore::WebGPU::RenderBundle&) const final;
bool isValid(const WebCore::WebGPU::RenderPassEncoder&) const final;
bool isValid(const WebCore::WebGPU::RenderPipeline&) const final;
bool isValid(const WebCore::WebGPU::Sampler&) const final;
bool isValid(const WebCore::WebGPU::ShaderModule&) const final;
bool isValid(const WebCore::WebGPU::Texture&) const final;
bool isValid(const WebCore::WebGPU::TextureView&) const final;
bool isValid(const WebCore::WebGPU::XRBinding&) const final;
bool isValid(const WebCore::WebGPU::XRSubImage&) const final;
bool isValid(const WebCore::WebGPU::XRProjectionLayer&) const final;
bool isValid(const WebCore::WebGPU::XRView&) const final;
void abandonGPUProcess();
void disconnectGpuProcessIfNeeded();
// SerialFunctionDispatcher
void dispatch(Function<void()>&&) final;
bool isCurrent() const final;
RefPtr<IPC::StreamClientConnection> protectedStreamConnection() const { return m_streamConnection; }
const Ref<WebGPU::ConvertToBackingContext> m_convertToBackingContext;
const Ref<DDModel::ConvertToBackingContext> m_modelConvertToBackingContext;
ThreadSafeWeakPtr<SerialFunctionDispatcher> m_dispatcher;
WeakPtr<GPUProcessConnection> m_gpuProcessConnection;
RefPtr<IPC::StreamClientConnection> m_streamConnection;
WebGPUIdentifier m_backing { WebGPUIdentifier::generate() };
bool m_didInitialize { false };
bool m_lost { false };
};
} // namespace WebKit
SPECIALIZE_TYPE_TRAITS_BEGIN(WebKit::RemoteGPUProxy)
static bool isType(const WebCore::WebGPU::GPU& gpu) { return gpu.isRemoteGPUProxy(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(GPU_PROCESS)
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