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
|
/****************************************************************************
**
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qminimaleglscreen.h"
#include "qminimaleglwindow.h"
#include <QtEglSupport/private/qeglconvenience_p.h>
#ifndef QT_NO_OPENGL
# include <QtEglSupport/private/qeglplatformcontext_p.h>
#endif
#ifdef Q_OPENKODE
#include <KD/kd.h>
#include <KD/NV_initialize.h>
#endif //Q_OPENKODE
QT_BEGIN_NAMESPACE
// #define QEGL_EXTRA_DEBUG
#ifndef QT_NO_OPENGL
class QMinimalEglContext : public QEGLPlatformContext
{
public:
QMinimalEglContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display)
: QEGLPlatformContext(format, share, display)
{
}
EGLSurface eglSurfaceForPlatformSurface(QPlatformSurface *surface) Q_DECL_OVERRIDE
{
QMinimalEglWindow *window = static_cast<QMinimalEglWindow *>(surface);
QMinimalEglScreen *screen = static_cast<QMinimalEglScreen *>(window->screen());
return screen->surface();
}
};
#endif
QMinimalEglScreen::QMinimalEglScreen(EGLNativeDisplayType display)
: m_depth(32)
, m_format(QImage::Format_Invalid)
, m_platformContext(0)
, m_surface(0)
{
#ifdef QEGL_EXTRA_DEBUG
qWarning("QEglScreen %p\n", this);
#endif
EGLint major, minor;
if (Q_UNLIKELY(!eglBindAPI(EGL_OPENGL_ES_API))) {
qWarning("Could not bind GL_ES API\n");
qFatal("EGL error");
}
m_dpy = eglGetDisplay(display);
if (Q_UNLIKELY(m_dpy == EGL_NO_DISPLAY)) {
qWarning("Could not open egl display\n");
qFatal("EGL error");
}
qWarning("Opened display %p\n", m_dpy);
if (Q_UNLIKELY(!eglInitialize(m_dpy, &major, &minor))) {
qWarning("Could not initialize egl display\n");
qFatal("EGL error");
}
qWarning("Initialized display %d %d\n", major, minor);
}
QMinimalEglScreen::~QMinimalEglScreen()
{
if (m_surface)
eglDestroySurface(m_dpy, m_surface);
eglTerminate(m_dpy);
}
void QMinimalEglScreen::createAndSetPlatformContext() const {
const_cast<QMinimalEglScreen *>(this)->createAndSetPlatformContext();
}
void QMinimalEglScreen::createAndSetPlatformContext()
{
QSurfaceFormat platformFormat;
QByteArray depthString = qgetenv("QT_QPA_EGLFS_DEPTH");
if (depthString.toInt() == 16) {
platformFormat.setDepthBufferSize(16);
platformFormat.setRedBufferSize(5);
platformFormat.setGreenBufferSize(6);
platformFormat.setBlueBufferSize(5);
m_depth = 16;
m_format = QImage::Format_RGB16;
} else {
platformFormat.setDepthBufferSize(24);
platformFormat.setStencilBufferSize(8);
platformFormat.setRedBufferSize(8);
platformFormat.setGreenBufferSize(8);
platformFormat.setBlueBufferSize(8);
m_depth = 32;
m_format = QImage::Format_RGB32;
}
if (!qEnvironmentVariableIsEmpty("QT_QPA_EGLFS_MULTISAMPLE"))
platformFormat.setSamples(4);
EGLConfig config = q_configFromGLFormat(m_dpy, platformFormat);
EGLNativeWindowType eglWindow = 0;
#ifdef Q_OPENKODE
if (Q_UNLIKELY(kdInitializeNV() == KD_ENOTINITIALIZED))
qFatal("Did not manage to initialize openkode");
KDWindow *window = kdCreateWindow(m_dpy,config,0);
kdRealizeWindow(window,&eglWindow);
#endif
#ifdef QEGL_EXTRA_DEBUG
q_printEglConfig(m_dpy, config);
#endif
m_surface = eglCreateWindowSurface(m_dpy, config, eglWindow, NULL);
if (Q_UNLIKELY(m_surface == EGL_NO_SURFACE)) {
qWarning("Could not create the egl surface: error = 0x%x\n", eglGetError());
eglTerminate(m_dpy);
qFatal("EGL error");
}
// qWarning("Created surface %dx%d\n", w, h);
#ifndef QT_NO_OPENGL
QEGLPlatformContext *platformContext = new QMinimalEglContext(platformFormat, 0, m_dpy);
m_platformContext = platformContext;
#endif
EGLint w,h; // screen size detection
eglQuerySurface(m_dpy, m_surface, EGL_WIDTH, &w);
eglQuerySurface(m_dpy, m_surface, EGL_HEIGHT, &h);
m_geometry = QRect(0,0,w,h);
}
QRect QMinimalEglScreen::geometry() const
{
if (m_geometry.isNull()) {
createAndSetPlatformContext();
}
return m_geometry;
}
int QMinimalEglScreen::depth() const
{
return m_depth;
}
QImage::Format QMinimalEglScreen::format() const
{
if (m_format == QImage::Format_Invalid)
createAndSetPlatformContext();
return m_format;
}
#ifndef QT_NO_OPENGL
QPlatformOpenGLContext *QMinimalEglScreen::platformContext() const
{
if (!m_platformContext) {
QMinimalEglScreen *that = const_cast<QMinimalEglScreen *>(this);
that->createAndSetPlatformContext();
}
return m_platformContext;
}
#endif
QT_END_NAMESPACE
|
