/
ImageBufferRemoteIOSurfaceBackend.cpp
146 lines (120 loc) · 4.7 KB
/
ImageBufferRemoteIOSurfaceBackend.cpp
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
/*
* Copyright (C) 2020-2022 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.
*/
#include "config.h"
#include "ImageBufferRemoteIOSurfaceBackend.h"
#if HAVE(IOSURFACE)
#include <WebCore/GraphicsContextCG.h>
#include <WebCore/ImageBufferIOSurfaceBackend.h>
#include <WebCore/PixelBuffer.h>
#include <wtf/IsoMallocInlines.h>
#include <wtf/StdLibExtras.h>
namespace WebKit {
using namespace WebCore;
WTF_MAKE_ISO_ALLOCATED_IMPL(ImageBufferRemoteIOSurfaceBackend);
IntSize ImageBufferRemoteIOSurfaceBackend::calculateSafeBackendSize(const Parameters& parameters)
{
return ImageBufferIOSurfaceBackend::calculateSafeBackendSize(parameters);
}
size_t ImageBufferRemoteIOSurfaceBackend::calculateMemoryCost(const Parameters& parameters)
{
return ImageBufferIOSurfaceBackend::calculateMemoryCost(parameters);
}
size_t ImageBufferRemoteIOSurfaceBackend::calculateExternalMemoryCost(const Parameters& parameters)
{
return ImageBufferIOSurfaceBackend::calculateExternalMemoryCost(parameters);
}
std::unique_ptr<ImageBufferRemoteIOSurfaceBackend> ImageBufferRemoteIOSurfaceBackend::create(const Parameters& parameters, ImageBufferBackendHandle handle)
{
if (!std::holds_alternative<MachSendRight>(handle)) {
RELEASE_ASSERT_NOT_REACHED();
return nullptr;
}
return makeUnique<ImageBufferRemoteIOSurfaceBackend>(parameters, WTFMove(handle));
}
ImageBufferBackendHandle ImageBufferRemoteIOSurfaceBackend::createBackendHandle(SharedMemory::Protection) const
{
if (!std::holds_alternative<MachSendRight>(m_handle)) {
RELEASE_ASSERT_NOT_REACHED();
return { };
}
return std::get<MachSendRight>(m_handle).copySendRight();
}
void ImageBufferRemoteIOSurfaceBackend::setBackendHandle(ImageBufferBackendHandle&& handle)
{
m_handle = WTFMove(handle);
}
void ImageBufferRemoteIOSurfaceBackend::clearBackendHandle()
{
m_handle = { };
}
bool ImageBufferRemoteIOSurfaceBackend::hasBackendHandle() const
{
return std::holds_alternative<MachSendRight>(m_handle);
}
GraphicsContext& ImageBufferRemoteIOSurfaceBackend::context() const
{
RELEASE_ASSERT_NOT_REACHED();
return *(GraphicsContext*)nullptr;
}
IntSize ImageBufferRemoteIOSurfaceBackend::backendSize() const
{
return calculateBackendSize(m_parameters);
}
unsigned ImageBufferRemoteIOSurfaceBackend::bytesPerRow() const
{
IntSize backendSize = calculateBackendSize(m_parameters);
return ImageBufferIOSurfaceBackend::calculateBytesPerRow(backendSize);
}
RefPtr<NativeImage> ImageBufferRemoteIOSurfaceBackend::copyNativeImage(BackingStoreCopy) const
{
RELEASE_ASSERT_NOT_REACHED();
return { };
}
RefPtr<Image> ImageBufferRemoteIOSurfaceBackend::copyImage(BackingStoreCopy, PreserveResolution) const
{
RELEASE_ASSERT_NOT_REACHED();
return { };
}
String ImageBufferRemoteIOSurfaceBackend::toDataURL(const String&, std::optional<double>, PreserveResolution) const
{
RELEASE_ASSERT_NOT_REACHED();
return { };
}
Vector<uint8_t> ImageBufferRemoteIOSurfaceBackend::toData(const String&, std::optional<double>) const
{
RELEASE_ASSERT_NOT_REACHED();
return { };
}
std::optional<PixelBuffer> ImageBufferRemoteIOSurfaceBackend::getPixelBuffer(const PixelBufferFormat&, const IntRect&) const
{
RELEASE_ASSERT_NOT_REACHED();
return { };
}
void ImageBufferRemoteIOSurfaceBackend::putPixelBuffer(const PixelBuffer&, const IntRect&, const IntPoint&, AlphaPremultiplication)
{
RELEASE_ASSERT_NOT_REACHED();
}
} // namespace WebKit
#endif // HAVE(IOSURFACE)