1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*
* Copyright (C) 2020-2021 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. ``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
* 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 "GPUProcessWakeupMessageArguments.h"
#include "IPCSemaphore.h"
#include "ImageBufferBackendHandle.h"
#include "MessageReceiver.h"
#include "MessageSender.h"
#include "RemoteRenderingBackendCreationParameters.h"
#include "RemoteResourceCacheProxy.h"
#include "RenderingBackendIdentifier.h"
#include "RenderingUpdateID.h"
#include <WebCore/DisplayList.h>
#include <WebCore/RenderingResourceIdentifier.h>
#include <WebCore/Timer.h>
#include <wtf/Deque.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
namespace DisplayList {
class DisplayList;
class Item;
}
class DestinationColorSpace;
class FloatSize;
class PixelBuffer;
enum class AlphaPremultiplication : uint8_t;
enum class RenderingMode : bool;
}
namespace WebKit {
class DisplayListWriterHandle;
class WebPage;
class RemoteRenderingBackendProxy
: public IPC::MessageSender
, private IPC::MessageReceiver
, public GPUProcessConnection::Client {
public:
static std::unique_ptr<RemoteRenderingBackendProxy> create(WebPage&);
~RemoteRenderingBackendProxy();
using GPUProcessConnection::Client::weakPtrFactory;
using WeakValueType = GPUProcessConnection::Client::WeakValueType;
RemoteResourceCacheProxy& remoteResourceCacheProxy() { return m_remoteResourceCacheProxy; }
WebCore::DisplayList::ItemBufferHandle createItemBuffer(size_t capacity, WebCore::RenderingResourceIdentifier destinationBufferIdentifier);
void didAppendData(const WebCore::DisplayList::ItemBufferHandle&, size_t numberOfBytes, WebCore::DisplayList::DidChangeItemBuffer, WebCore::RenderingResourceIdentifier destinationImageBuffer);
void willAppendItem(WebCore::RenderingResourceIdentifier);
void sendDeferredWakeupMessageIfNeeded();
SharedMemory* sharedMemoryForGetPixelBuffer(size_t dataSize, IPC::Timeout);
bool waitForGetPixelBufferToComplete(IPC::Timeout);
void destroyGetPixelBufferSharedMemory();
void createRemoteImageBuffer(WebCore::ImageBuffer&);
// IPC::MessageSender.
IPC::Connection* messageSenderConnection() const override;
uint64_t messageSenderDestinationID() const override;
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
// Messages to be sent.
RefPtr<WebCore::ImageBuffer> createImageBuffer(const WebCore::FloatSize&, WebCore::RenderingMode, float resolutionScale, const WebCore::DestinationColorSpace&, WebCore::PixelFormat);
String getDataURLForImageBuffer(const String& mimeType, std::optional<double> quality, WebCore::PreserveResolution, WebCore::RenderingResourceIdentifier);
Vector<uint8_t> getDataForImageBuffer(const String& mimeType, std::optional<double> quality, WebCore::RenderingResourceIdentifier);
WebCore::DisplayList::FlushIdentifier flushDisplayListAndCommit(const WebCore::DisplayList::DisplayList&, WebCore::RenderingResourceIdentifier);
RefPtr<ShareableBitmap> getShareableBitmap(WebCore::RenderingResourceIdentifier, WebCore::PreserveResolution);
void cacheNativeImage(const ShareableBitmap::Handle&, WebCore::RenderingResourceIdentifier);
void cacheFont(Ref<WebCore::Font>&&);
void deleteAllFonts();
void releaseRemoteResource(WebCore::RenderingResourceIdentifier, uint64_t useCount);
void finalizeRenderingUpdate();
RenderingUpdateID renderingUpdateID() const { return m_renderingUpdateID; }
unsigned delayedRenderingUpdateCount() const { return m_renderingUpdateID - m_didRenderingUpdateID; }
enum class DidReceiveBackendCreationResult : bool {
ReceivedAnyResponse,
TimeoutOrIPCFailure
};
DidReceiveBackendCreationResult waitForDidCreateImageBufferBackend();
bool waitForDidFlush();
RenderingBackendIdentifier renderingBackendIdentifier() const;
RenderingBackendIdentifier ensureBackendCreated();
bool isGPUProcessConnectionClosed() const { return !m_gpuProcessConnection; }
private:
explicit RemoteRenderingBackendProxy(WebPage&);
// GPUProcessConnection::Client
void gpuProcessConnectionDidClose(GPUProcessConnection&) final;
GPUProcessConnection& ensureGPUProcessConnection();
// Messages to be received.
void didCreateImageBufferBackend(ImageBufferBackendHandle, WebCore::RenderingResourceIdentifier);
void didFlush(WebCore::DisplayList::FlushIdentifier, WebCore::RenderingResourceIdentifier);
void didFinalizeRenderingUpdate(RenderingUpdateID didRenderingUpdateID);
RefPtr<DisplayListWriterHandle> mostRecentlyUsedDisplayListHandle();
RefPtr<DisplayListWriterHandle> findReusableDisplayListHandle(size_t capacity);
void sendWakeupMessage(const GPUProcessWakeupMessageArguments&);
RemoteRenderingBackendCreationParameters m_parameters;
WeakPtr<GPUProcessConnection> m_gpuProcessConnection;
RemoteResourceCacheProxy m_remoteResourceCacheProxy { *this };
HashMap<WebCore::DisplayList::ItemBufferIdentifier, RefPtr<DisplayListWriterHandle>> m_sharedDisplayListHandles;
Deque<WebCore::DisplayList::ItemBufferIdentifier> m_identifiersOfReusableHandles;
std::optional<WebCore::RenderingResourceIdentifier> m_currentDestinationImageBufferIdentifier;
std::optional<GPUProcessWakeupMessageArguments> m_deferredWakeupMessageArguments;
unsigned m_remainingItemsToAppendBeforeSendingWakeup { 0 };
std::optional<IPC::Semaphore> m_getPixelBufferSemaphore;
RefPtr<SharedMemory> m_getPixelBufferSharedMemory;
uint64_t m_getPixelBufferSharedMemoryLength { 0 };
WebCore::Timer m_destroyGetPixelBufferSharedMemoryTimer { *this, &RemoteRenderingBackendProxy::destroyGetPixelBufferSharedMemory };
RenderingUpdateID m_renderingUpdateID;
RenderingUpdateID m_didRenderingUpdateID;
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
|
