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3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
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29
30#ifndef QWAYLANDSERVERBUFFERINTEGRATION_H
31#define QWAYLANDSERVERBUFFERINTEGRATION_H
32
33//
34// W A R N I N G
35// -------------
36//
37// This file is not part of the Qt API. It exists purely as an
38// implementation detail. This header file may change from version to
39// version without notice, or even be removed.
40//
41// We mean it.
42//
43
44#include <QtCore/qglobal.h>
45#include <QtCore/QSize>
46#include <QtGui/qopengl.h>
47
48#include <QtWaylandCompositor/qtwaylandcompositorglobal.h>
49
50struct wl_client;
51struct wl_resource;
52
53QT_BEGIN_NAMESPACE
54
55class QWaylandCompositor;
56class QOpenGLContext;
57class QOpenGLTexture;
58class QImage;
59
60namespace QtWayland {
61class Display;
62
63class Q_WAYLAND_COMPOSITOR_EXPORT ServerBuffer
64{
65public:
66 enum Format {
67 RGBA32,
68 A8,
69 Custom
70 };
71
72 ServerBuffer(const QSize &size, ServerBuffer::Format format);
73 virtual ~ServerBuffer();
74
75 virtual struct ::wl_resource *resourceForClient(struct ::wl_client *) = 0;
76 virtual bool bufferInUse() { return true; }
77
78 virtual QOpenGLTexture *toOpenGlTexture() = 0;
79 virtual void releaseOpenGlTexture() {}
80
81 virtual bool isYInverted() const;
82
83 QSize size() const;
84 Format format() const;
85protected:
86 QSize m_size;
87 Format m_format;
88};
89
90class Q_WAYLAND_COMPOSITOR_EXPORT ServerBufferIntegration
91{
92public:
93 ServerBufferIntegration();
94 virtual ~ServerBufferIntegration();
95
96 virtual bool initializeHardware(QWaylandCompositor *);
97
98 virtual bool supportsFormat(ServerBuffer::Format format) const = 0;
99 virtual ServerBuffer *createServerBufferFromImage(const QImage &qimage, ServerBuffer::Format format) = 0;
100 virtual ServerBuffer *createServerBufferFromData(const QByteArray &data, const QSize &size, uint glInternalFormat)
101 {
102 Q_UNUSED(data);
103 Q_UNUSED(size);
104 Q_UNUSED(glInternalFormat);
105 return nullptr;
106 }
107};
108
109}
110
111QT_END_NAMESPACE
112
113#endif //QWAYLANDSERVERBUFFERINTEGRATION_H
114

source code of qtwayland/src/compositor/hardware_integration/qwlserverbufferintegration_p.h