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
|
/*
* 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. 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 "Decoder.h"
#include "GPUConnectionToWebProcess.h"
#include "Logging.h"
#include "RemoteDisplayListRecorder.h"
#include "ScopedActiveMessageReceiveQueue.h"
#include <WebCore/ConcreteImageBuffer.h>
#include <WebCore/DisplayList.h>
#include <WebCore/DisplayListItems.h>
#include <WebCore/DisplayListReplayer.h>
namespace WebKit {
template<typename BackendType>
class RemoteImageBuffer : public WebCore::ConcreteImageBuffer<BackendType> {
using BaseConcreteImageBuffer = WebCore::ConcreteImageBuffer<BackendType>;
using BaseConcreteImageBuffer::context;
using BaseConcreteImageBuffer::m_backend;
using BaseConcreteImageBuffer::putPixelBuffer;
public:
static auto create(const WebCore::FloatSize& size, float resolutionScale, const WebCore::DestinationColorSpace& colorSpace, WebCore::PixelFormat pixelFormat, RemoteRenderingBackend& remoteRenderingBackend, QualifiedRenderingResourceIdentifier renderingResourceIdentifier)
{
return BaseConcreteImageBuffer::template create<RemoteImageBuffer>(size, resolutionScale, colorSpace, pixelFormat, nullptr, remoteRenderingBackend, renderingResourceIdentifier);
}
RemoteImageBuffer(const WebCore::ImageBufferBackend::Parameters& parameters, std::unique_ptr<BackendType>&& backend, RemoteRenderingBackend& remoteRenderingBackend, QualifiedRenderingResourceIdentifier renderingResourceIdentifier)
: BaseConcreteImageBuffer(parameters, WTFMove(backend), renderingResourceIdentifier.object())
, m_remoteRenderingBackend(remoteRenderingBackend)
, m_renderingResourceIdentifier(renderingResourceIdentifier)
, m_remoteDisplayList({ RemoteDisplayListRecorder::create(*this, renderingResourceIdentifier, renderingResourceIdentifier.processIdentifier(), remoteRenderingBackend) })
{
m_remoteRenderingBackend.didCreateImageBufferBackend(m_backend->createBackendHandle(), renderingResourceIdentifier, *m_remoteDisplayList.get());
}
~RemoteImageBuffer()
{
// Unwind the context's state stack before destruction, since calls to restore may not have
// been flushed yet, or the web process may have terminated.
while (context().stackSize())
context().restore();
}
void setOwnershipIdentity(const WebCore::ProcessIdentity& resourceOwner)
{
if (m_backend)
m_backend->setOwnershipIdentity(resourceOwner);
}
private:
friend class RemoteRenderingBackend;
RemoteRenderingBackend& m_remoteRenderingBackend;
QualifiedRenderingResourceIdentifier m_renderingResourceIdentifier;
IPC::ScopedActiveMessageReceiveQueue<RemoteDisplayListRecorder> m_remoteDisplayList;
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
|
