Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/quick/scenegraph/util/qsgdepthstencilbuffer_p.h |
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1 | /**************************************************************************** | - |
2 | ** | - |
3 | ** Copyright (C) 2016 The Qt Company Ltd. | - |
4 | ** Contact: https://www.qt.io/licensing/ | - |
5 | ** | - |
6 | ** This file is part of the Qt Quick module of the Qt Toolkit. | - |
7 | ** | - |
8 | ** $QT_BEGIN_LICENSE:LGPL$ | - |
9 | ** Commercial License Usage | - |
10 | ** Licensees holding valid commercial Qt licenses may use this file in | - |
11 | ** accordance with the commercial license agreement provided with the | - |
12 | ** Software or, alternatively, in accordance with the terms contained in | - |
13 | ** a written agreement between you and The Qt Company. For licensing terms | - |
14 | ** and conditions see https://www.qt.io/terms-conditions. For further | - |
15 | ** information use the contact form at https://www.qt.io/contact-us. | - |
16 | ** | - |
17 | ** GNU Lesser General Public License Usage | - |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | - |
19 | ** General Public License version 3 as published by the Free Software | - |
20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | - |
21 | ** packaging of this file. Please review the following information to | - |
22 | ** ensure the GNU Lesser General Public License version 3 requirements | - |
23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | - |
24 | ** | - |
25 | ** GNU General Public License Usage | - |
26 | ** Alternatively, this file may be used under the terms of the GNU | - |
27 | ** General Public License version 2.0 or (at your option) the GNU General | - |
28 | ** Public license version 3 or any later version approved by the KDE Free | - |
29 | ** Qt Foundation. The licenses are as published by the Free Software | - |
30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | - |
31 | ** included in the packaging of this file. Please review the following | - |
32 | ** information to ensure the GNU General Public License requirements will | - |
33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | - |
34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | - |
35 | ** | - |
36 | ** $QT_END_LICENSE$ | - |
37 | ** | - |
38 | ****************************************************************************/ | - |
39 | - | |
40 | #ifndef QSGDEPTHSTENCILBUFFER_P_H | - |
41 | #define QSGDEPTHSTENCILBUFFER_P_H | - |
42 | - | |
43 | // | - |
44 | // W A R N I N G | - |
45 | // ------------- | - |
46 | // | - |
47 | // This file is not part of the Qt API. It exists purely as an | - |
48 | // implementation detail. This header file may change from version to | - |
49 | // version without notice, or even be removed. | - |
50 | // | - |
51 | // We mean it. | - |
52 | // | - |
53 | - | |
54 | #include <QtCore/qsize.h> | - |
55 | #include <QtGui/private/qopenglcontext_p.h> | - |
56 | #include <QtGui/private/qopenglextensions_p.h> | - |
57 | #include <QtCore/qsharedpointer.h> | - |
58 | #include <QtCore/qhash.h> | - |
59 | - | |
60 | QT_BEGIN_NAMESPACE | - |
61 | - | |
62 | class QSGDepthStencilBufferManager; | - |
63 | - | |
64 | class QSGDepthStencilBuffer | - |
65 | { | - |
66 | public: | - |
67 | enum Attachment | - |
68 | { | - |
69 | NoAttachment = 0x00, | - |
70 | DepthAttachment = 0x01, | - |
71 | StencilAttachment = 0x02 | - |
72 | }; | - |
73 | Q_DECLARE_FLAGS(Attachments, Attachment) | - |
74 | - | |
75 | struct Format | - |
76 | { | - |
77 | QSize size; | - |
78 | int samples; | - |
79 | QSGDepthStencilBuffer::Attachments attachments; | - |
80 | bool operator == (const Format &other) const; | - |
81 | }; | - |
82 | - | |
83 | QSGDepthStencilBuffer(QOpenGLContext *context, const Format &format); | - |
84 | virtual ~QSGDepthStencilBuffer(); | - |
85 | - | |
86 | // Attaches this depth stencil buffer to the currently bound FBO. | - |
87 | void attach(); | - |
88 | // Detaches this depth stencil buffer from the currently bound FBO. | - |
89 | void detach(); | - |
90 | - | |
91 | QSize size() const { return m_format.size; } never executed: return m_format.size; | 0 |
92 | int samples() const { return m_format.samples; } never executed: return m_format.samples; | 0 |
93 | Attachments attachments() const { return m_format.attachments; } never executed: return m_format.attachments; | 0 |
94 | - | |
95 | protected: | - |
96 | virtual void free() = 0; | - |
97 | - | |
98 | QOpenGLExtensions m_functions; | - |
99 | QSGDepthStencilBufferManager *m_manager; | - |
100 | Format m_format; | - |
101 | GLuint m_depthBuffer; | - |
102 | GLuint m_stencilBuffer; | - |
103 | - | |
104 | friend class QSGDepthStencilBufferManager; | - |
105 | }; | - |
106 | - | |
107 | Q_DECLARE_OPERATORS_FOR_FLAGS(QSGDepthStencilBuffer::Attachments) | - |
108 | - | |
109 | inline bool QSGDepthStencilBuffer::Format::operator == (const Format &other) const | - |
110 | { | - |
111 | return size == other.size && samples == other.samples && attachments == other.attachments; executed 85 times by 5 tests: return size == other.size && samples == other.samples && attachments == other.attachments; Executed by:
| 85 |
112 | } | - |
113 | - | |
114 | - | |
115 | class QSGDefaultDepthStencilBuffer : public QSGDepthStencilBuffer | - |
116 | { | - |
117 | public: | - |
118 | QSGDefaultDepthStencilBuffer(QOpenGLContext *context, const Format &format); | - |
119 | virtual ~QSGDefaultDepthStencilBuffer(); | - |
120 | - | |
121 | protected: | - |
122 | void free() override; | - |
123 | }; | - |
124 | - | |
125 | - | |
126 | class QSGDepthStencilBufferManager | - |
127 | { | - |
128 | public: | - |
129 | QSGDepthStencilBufferManager(QOpenGLContext *ctx) : m_context(ctx) { } executed 57 times by 5 tests: end of block Executed by:
| 57 |
130 | ~QSGDepthStencilBufferManager(); | - |
131 | QOpenGLContext *context() const { return m_context; } never executed: return m_context; | 0 |
132 | QSharedPointer<QSGDepthStencilBuffer> bufferForFormat(const QSGDepthStencilBuffer::Format &fmt); | - |
133 | void insertBuffer(const QSharedPointer<QSGDepthStencilBuffer> &buffer); | - |
134 | - | |
135 | private: | - |
136 | typedef QHash<QSGDepthStencilBuffer::Format, QWeakPointer<QSGDepthStencilBuffer> > Hash; | - |
137 | QOpenGLContext *m_context; | - |
138 | Hash m_buffers; | - |
139 | - | |
140 | friend class QSGDepthStencilBuffer; | - |
141 | }; | - |
142 | - | |
143 | extern uint qHash(const QSGDepthStencilBuffer::Format &format); | - |
144 | - | |
145 | QT_END_NAMESPACE | - |
146 | - | |
147 | #endif | - |
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