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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSEGLCONTEXT_H
#define QWINDOWSEGLCONTEXT_H
#include "qwindowsopenglcontext.h"
#include "qwindowsopengltester.h"
#include <EGL/egl.h>
QT_BEGIN_NAMESPACE
struct QWindowsLibEGL
{
bool init();
EGLint (EGLAPIENTRY * eglGetError)(void);
EGLDisplay (EGLAPIENTRY * eglGetDisplay)(EGLNativeDisplayType display_id);
EGLBoolean (EGLAPIENTRY * eglInitialize)(EGLDisplay dpy, EGLint *major, EGLint *minor);
EGLBoolean (EGLAPIENTRY * eglTerminate)(EGLDisplay dpy);
EGLBoolean (EGLAPIENTRY * eglChooseConfig)(EGLDisplay dpy, const EGLint *attrib_list,
EGLConfig *configs, EGLint config_size,
EGLint *num_config);
EGLBoolean (EGLAPIENTRY * eglGetConfigAttrib)(EGLDisplay dpy, EGLConfig config,
EGLint attribute, EGLint *value);
EGLSurface (EGLAPIENTRY * eglCreateWindowSurface)(EGLDisplay dpy, EGLConfig config,
EGLNativeWindowType win,
const EGLint *attrib_list);
EGLSurface (EGLAPIENTRY * eglCreatePbufferSurface)(EGLDisplay dpy, EGLConfig config,
const EGLint *attrib_list);
EGLBoolean (EGLAPIENTRY * eglDestroySurface)(EGLDisplay dpy, EGLSurface surface);
EGLBoolean (EGLAPIENTRY * eglBindAPI)(EGLenum api);
EGLBoolean (EGLAPIENTRY * eglSwapInterval)(EGLDisplay dpy, EGLint interval);
EGLContext (EGLAPIENTRY * eglCreateContext)(EGLDisplay dpy, EGLConfig config,
EGLContext share_context,
const EGLint *attrib_list);
EGLBoolean (EGLAPIENTRY * eglDestroyContext)(EGLDisplay dpy, EGLContext ctx);
EGLBoolean (EGLAPIENTRY * eglMakeCurrent)(EGLDisplay dpy, EGLSurface draw,
EGLSurface read, EGLContext ctx);
EGLContext (EGLAPIENTRY * eglGetCurrentContext)(void);
EGLSurface (EGLAPIENTRY * eglGetCurrentSurface)(EGLint readdraw);
EGLDisplay (EGLAPIENTRY * eglGetCurrentDisplay)(void);
EGLBoolean (EGLAPIENTRY * eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface);
QFunctionPointer (EGLAPIENTRY *eglGetProcAddress)(const char *procname);
EGLDisplay (EGLAPIENTRY * eglGetPlatformDisplayEXT)(EGLenum platform, void *native_display, const EGLint *attrib_list);
private:
#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
void *resolve(const char *name);
HMODULE m_lib;
#endif
};
struct QWindowsLibGLESv2
{
bool init();
#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
void *moduleHandle() const { return m_lib; }
#else
void *moduleHandle() const { return nullptr; }
#endif
const GLubyte * (APIENTRY * glGetString)(GLenum name);
#if !defined(QT_STATIC) || defined(QT_OPENGL_DYNAMIC)
void *resolve(const char *name);
private:
HMODULE m_lib;
#endif
};
class QWindowsEGLStaticContext : public QWindowsStaticOpenGLContext
{
Q_DISABLE_COPY(QWindowsEGLStaticContext)
public:
static QWindowsEGLStaticContext *create(QWindowsOpenGLTester::Renderers preferredType);
~QWindowsEGLStaticContext() override;
EGLDisplay display() const { return m_display; }
QWindowsOpenGLContext *createContext(QOpenGLContext *context) override;
void *moduleHandle() const override { return libGLESv2.moduleHandle(); }
QOpenGLContext::OpenGLModuleType moduleType() const override { return QOpenGLContext::LibGLES; }
void *createWindowSurface(void *nativeWindow, void *nativeConfig, int *err) override;
void destroyWindowSurface(void *nativeSurface) override;
QSurfaceFormat formatFromConfig(EGLDisplay display, EGLConfig config, const QSurfaceFormat &referenceFormat);
static QWindowsLibEGL libEGL;
static QWindowsLibGLESv2 libGLESv2;
private:
explicit QWindowsEGLStaticContext(EGLDisplay display);
static bool initializeAngle(QWindowsOpenGLTester::Renderers preferredType, HDC dc,
EGLDisplay *display, EGLint *major, EGLint *minor);
const EGLDisplay m_display;
};
class QWindowsEGLContext : public QWindowsOpenGLContext
{
public:
QWindowsEGLContext(QWindowsEGLStaticContext *staticContext,
const QSurfaceFormat &format,
QPlatformOpenGLContext *share);
~QWindowsEGLContext() override;
bool makeCurrent(QPlatformSurface *surface) override;
void doneCurrent() override;
void swapBuffers(QPlatformSurface *surface) override;
QFunctionPointer getProcAddress(const char *procName) override;
QSurfaceFormat format() const override { return m_format; }
bool isSharing() const override { return m_shareContext != EGL_NO_CONTEXT; }
bool isValid() const override { return m_eglContext != EGL_NO_CONTEXT; }
void *nativeContext() const override { return m_eglContext; }
void *nativeDisplay() const override { return m_eglDisplay; }
void *nativeConfig() const override { return m_eglConfig; }
private:
EGLConfig chooseConfig(const QSurfaceFormat &format);
QWindowsEGLStaticContext *m_staticContext;
EGLContext m_eglContext;
EGLContext m_shareContext;
EGLDisplay m_eglDisplay;
EGLConfig m_eglConfig;
QSurfaceFormat m_format;
EGLenum m_api = EGL_OPENGL_ES_API;
int m_swapInterval = -1;
};
QT_END_NAMESPACE
#endif // QWINDOWSEGLCONTEXT_H
|
