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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui 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 QtOpenGL and QtOpenVG modules. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
QT_BEGIN_INCLUDE_NAMESPACE
#ifndef QT_NO_EGL
#if defined(QT_OPENGL_ES_2)
# include <GLES2/gl2.h>
#endif
#if defined(QT_GLES_EGL)
# include <GLES/egl.h>
#else
# include <EGL/egl.h>
#endif
#else
//types from egltypes.h for compiling stub without EGL headers
typedef int EGLBoolean;
typedef int EGLint;
typedef int EGLenum;
typedef int NativeDisplayType;
typedef void* NativeWindowType;
typedef void* NativePixmapType;
typedef int EGLDisplay;
typedef int EGLConfig;
typedef int EGLSurface;
typedef int EGLContext;
typedef int EGLClientBuffer;
#define EGL_NONE 0x3038 /* Attrib list terminator */
#endif
#if defined(Q_WS_X11)
// If <EGL/egl.h> included <X11/Xlib.h>, then the global namespace
// may have been polluted with X #define's. The following makes sure
// the X11 headers were included properly and then cleans things up.
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#undef Bool
#undef Status
#undef None
#undef KeyPress
#undef KeyRelease
#undef FocusIn
#undef FocusOut
#undef Type
#undef FontChange
#undef CursorShape
#undef Unsorted
#undef GrayScale
#endif
// Internally we use the EGL-prefixed native types which are used in EGL >= 1.3.
// For older versions of EGL, we have to define these types ourselves here:
#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
#include <QtGui/qpaintdevice.h>
#include <QFlags>
QT_BEGIN_NAMESPACE
#define QEGL_NO_CONFIG ((EGLConfig)-1)
#ifndef EGLAPIENTRY
#define EGLAPIENTRY
#endif
// Try to get some info to debug the symbian build failues:
#ifdef Q_OS_SYMBIAN
#ifdef EGL_KHR_image
#warning "EGL_KHR_image is defined"
#else
#warning "EGL_KHR_image is NOT defined"
#endif
#ifdef EGL_KHR_image_base
#warning "EGL_KHR_image_base is defined"
#else
#warning "EGL_KHR_image_base is NOT defined"
#endif
#ifdef EGL_EGLEXT_PROTOTYPES
#warning "EGL_EGLEXT_PROTOTYPES is defined"
#else
#warning "EGL_EGLEXT_PROTOTYPES NOT not defined"
#endif
#endif
// Declare/define the bits of EGL_KHR_image_base we need:
#if !defined(EGL_KHR_image) && !defined(EGL_KHR_image_base)
#ifdef Q_OS_SYMBIAN
//symbian version of eglext.h differs from the khronos reference
typedef int EGLImageKHR;
#else
typedef void *EGLImageKHR;
#endif
#define EGL_NO_IMAGE_KHR ((EGLImageKHR)0)
#define EGL_IMAGE_PRESERVED_KHR 0x30D2
#define EGL_KHR_image_base
#endif
#if !defined(EGL_KHR_image) && !defined(EGL_KHR_image_pixmap)
#define EGL_NATIVE_PIXMAP_KHR 0x30B0
#define EGL_KHR_image_pixmap
#endif
class QEglProperties;
namespace QEgl {
enum API
{
OpenGL,
OpenVG
};
enum PixelFormatMatch
{
ExactPixelFormat,
BestPixelFormat
};
enum ConfigOption
{
NoOptions = 0,
Translucent = 0x01,
Renderable = 0x02 // Config will be compatable with the paint engines (VG or GL)
};
Q_DECLARE_FLAGS(ConfigOptions, ConfigOption)
// Most of the time we use the same config for things like widgets & pixmaps, so rather than
// go through the eglChooseConfig loop every time, we use defaultConfig, which will return
// the config for a particular device/api/option combo. This function assumes that once a
// config is chosen for a particular combo, it's safe to always use that combo.
Q_GUI_EXPORT EGLConfig defaultConfig(int devType, API api, ConfigOptions options);
Q_GUI_EXPORT EGLConfig chooseConfig(const QEglProperties* configAttribs, QEgl::PixelFormatMatch match = QEgl::ExactPixelFormat);
Q_GUI_EXPORT EGLSurface createSurface(QPaintDevice *device, EGLConfig cfg, const QEglProperties *surfaceAttribs = 0);
Q_GUI_EXPORT void dumpAllConfigs();
#ifdef QT_NO_EGL
Q_GUI_EXPORT QString errorString(EGLint code = 0);
#else
Q_GUI_EXPORT QString errorString(EGLint code = eglGetError());
#endif
Q_GUI_EXPORT QString extensions();
Q_GUI_EXPORT bool hasExtension(const char* extensionName);
Q_GUI_EXPORT EGLDisplay display();
Q_GUI_EXPORT EGLNativeDisplayType nativeDisplay();
Q_GUI_EXPORT EGLNativeWindowType nativeWindow(QWidget*);
Q_GUI_EXPORT EGLNativePixmapType nativePixmap(QPixmap*);
// Extension functions
Q_GUI_EXPORT EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
Q_GUI_EXPORT EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img);
#ifdef Q_WS_X11
Q_GUI_EXPORT VisualID getCompatibleVisualId(EGLConfig config);
#endif
}
Q_DECLARE_OPERATORS_FOR_FLAGS(QEgl::ConfigOptions)
QT_END_NAMESPACE
#endif //QEGL_P_H
|
