File: PlatformImageBuffer.h

package info (click to toggle)
webkit2gtk 2.36.4-1~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 293,692 kB
  • sloc: cpp: 2,617,621; javascript: 191,348; ansic: 125,749; xml: 63,766; python: 34,562; ruby: 16,868; perl: 15,491; asm: 9,864; yacc: 2,324; sh: 2,018; lex: 1,319; java: 935; makefile: 183; pascal: 60
file content (87 lines) | stat: -rw-r--r-- 3,457 bytes parent folder | download
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
/*
 * Copyright (C) 2020 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

#include "ConcreteImageBuffer.h"
#include "DisplayListImageBuffer.h"

#if USE(CG)
#include "ImageBufferCGBitmapBackend.h"
#elif USE(CAIRO)
#include "ImageBufferCairoImageSurfaceBackend.h"
#endif

#if HAVE(IOSURFACE)
#include "ImageBufferIOSurfaceBackend.h"
#endif

namespace WebCore {

#if USE(CG)
using UnacceleratedImageBufferBackend = ImageBufferCGBitmapBackend;
#elif USE(CAIRO)
using UnacceleratedImageBufferBackend = ImageBufferCairoImageSurfaceBackend;
#endif

#if HAVE(IOSURFACE)
using AcceleratedImageBufferBackend = ImageBufferIOSurfaceBackend;
#else
using AcceleratedImageBufferBackend = UnacceleratedImageBufferBackend;
#endif

using UnacceleratedImageBuffer = ConcreteImageBuffer<UnacceleratedImageBufferBackend>;
using DisplayListUnacceleratedImageBuffer = DisplayList::ImageBuffer<UnacceleratedImageBufferBackend>;
using DisplayListAcceleratedImageBuffer = DisplayList::ImageBuffer<AcceleratedImageBufferBackend>;

#if HAVE(IOSURFACE)
class IOSurfaceImageBuffer final : public ConcreteImageBuffer<ImageBufferIOSurfaceBackend> {
    using Base = ConcreteImageBuffer<ImageBufferIOSurfaceBackend>;
public:
    static auto create(const WebCore::FloatSize& size, float resolutionScale, const WebCore::DestinationColorSpace& colorSpace, WebCore::PixelFormat pixelFormat, const HostWindow* hostWindow = nullptr)
    {
        return Base::create<IOSurfaceImageBuffer>(size, resolutionScale, colorSpace, pixelFormat, hostWindow);
    }
    static auto create(const FloatSize& size, const GraphicsContext& context)
    {
        return Base::create<IOSurfaceImageBuffer>(size, context);
    }
    using Base::Base;

    IOSurface& surface() { return *m_backend->surface(); }
};
using AcceleratedImageBuffer = IOSurfaceImageBuffer;
#else
using AcceleratedImageBuffer = ConcreteImageBuffer<UnacceleratedImageBufferBackend>;
#endif


} // namespace WebCore

#if HAVE(IOSURFACE)
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::IOSurfaceImageBuffer)
    static bool isType(const WebCore::ImageBuffer& buffer) { return buffer.renderingMode() == WebCore::RenderingMode::Accelerated; }
SPECIALIZE_TYPE_TRAITS_END()
#endif