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
|
/*
* Copyright (C) 2021 Sony Interactive Entertainment Inc.
*
* 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 USE(GRAPHICS_LAYER_WC)
#include "ImageBufferBackendHandle.h"
#include "ImageBufferBackendHandleSharing.h"
#include <WebCore/ImageBuffer.h>
namespace WebKit {
class WCBackingStore {
WTF_MAKE_FAST_ALLOCATED;
public:
WCBackingStore() { }
WebCore::ImageBuffer* imageBuffer() { return m_imageBuffer.get(); }
void setImageBuffer(RefPtr<WebCore::ImageBuffer>&& image) { m_imageBuffer = WTFMove(image); }
ShareableBitmap* bitmap() const { return m_bitmap.get(); }
template<class Encoder>
void encode(Encoder& encoder) const
{
bool hasImageBuffer = m_imageBuffer;
encoder << hasImageBuffer;
if (hasImageBuffer) {
ImageBufferBackendHandle handle;
if (auto* backend = m_imageBuffer->ensureBackendCreated()) {
auto* sharing = backend->toBackendSharing();
if (is<ImageBufferBackendHandleSharing>(sharing))
handle = downcast<ImageBufferBackendHandleSharing>(*sharing).createBackendHandle();
}
encoder << WTFMove(handle);
}
}
template <class Decoder>
static WARN_UNUSED_RETURN bool decode(Decoder& decoder, WCBackingStore& result)
{
bool hasImageBuffer;
if (!decoder.decode(hasImageBuffer))
return false;
if (hasImageBuffer) {
ImageBufferBackendHandle handle;
if (!decoder.decode(handle))
return false;
result.m_bitmap = ShareableBitmap::create(WTFMove(std::get<ShareableBitmap::Handle>(handle)));
}
return true;
}
private:
RefPtr<WebCore::ImageBuffer> m_imageBuffer;
RefPtr<ShareableBitmap> m_bitmap;
};
} // namespace WebKit
#endif // USE(GRAPHICS_LAYER_WC)
|
