blob: a57e522790eb0a765d01db831ee44fe85604147b (
plain)
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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenGL module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QEGL_P_H
#define QEGL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the QGLWidget class. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include "QtCore/qvarlengtharray.h"
#include "QtCore/qsize.h"
#include "QtGui/qimage.h"
#if defined(QT_OPENGL_ES) || defined(QT_OPENVG)
QT_BEGIN_INCLUDE_NAMESPACE
#if defined(QT_OPENGL_ES_2) || defined(QT_OPENVG)
#include <EGL/egl.h>
#else
#include <GLES/egl.h>
#endif
#if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED)
#undef EGLNativeWindowType
#undef EGLNativePixmapType
#undef EGLNativeDisplayType
typedef NativeWindowType EGLNativeWindowType;
typedef NativePixmapType EGLNativePixmapType;
typedef NativeDisplayType EGLNativeDisplayType;
#define QEGL_NATIVE_TYPES_DEFINED 1
#endif
QT_END_INCLUDE_NAMESPACE
class QX11Info;
class QPaintDevice;
class QImage;
class QPixmap;
class QWidget;
QT_BEGIN_NAMESPACE
class Q_OPENGL_EXPORT QEglProperties
{
public:
QEglProperties();
QEglProperties(const QEglProperties& other) : props(other.props) {}
~QEglProperties() {}
int value(int name) const;
void setValue(int name, int value);
bool removeValue(int name);
const int *properties() const { return props.constData(); }
void setPixelFormat(QImage::Format pixelFormat);
#ifdef Q_WS_X11
void setVisualFormat(const QX11Info *xinfo);
#endif
void setRenderableType(int api);
bool reduceConfiguration();
QString toString() const;
private:
QVarLengthArray<int> props;
};
class Q_OPENGL_EXPORT QEglContext
{
public:
QEglContext();
~QEglContext();
enum API
{
OpenGL,
OpenVG
};
enum PixelFormatMatch
{
ExactPixelFormat,
BestPixelFormat
};
bool isValid() const;
bool isSharing() const;
void setApi(QEglContext::API api) { apiType = api; }
bool openDisplay(QPaintDevice *device);
bool chooseConfig(const QEglProperties& properties, PixelFormatMatch match = ExactPixelFormat);
bool createContext(QEglContext *shareContext = 0);
bool createSurface(QPaintDevice *device);
bool recreateSurface(QPaintDevice *device);
void setSurface(EGLSurface surface) { surf = surface; }
void destroy();
bool makeCurrent();
bool doneCurrent();
bool swapBuffers();
void waitNative();
void waitClient();
QSize surfaceSize() const;
bool configAttrib(int name, EGLint *value) const;
void clearError() const { eglGetError(); }
QEglContext::API api() const { return apiType; }
EGLDisplay display() const { return dpy; }
EGLContext context() const { return ctx; }
EGLSurface surface() const { return surf; }
EGLConfig config() const { return cfg; }
QEglProperties configProperties(EGLConfig cfg = 0) const;
static EGLDisplay defaultDisplay(QPaintDevice *device);
static QString errorString(int code);
void dumpAllConfigs();
private:
QEglContext::API apiType;
EGLDisplay dpy;
EGLContext ctx;
EGLSurface surf;
EGLConfig cfg;
bool share;
void *reserved; // For extension data in future versions.
static EGLDisplay getDisplay(QPaintDevice *device);
};
QT_END_NAMESPACE
#endif // QT_OPENGL_ES || QT_OPENVG
#endif // QEGL_P_H
|
