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1 /**************************************************************************** |
1 /**************************************************************************** |
2 ** |
2 ** |
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
4 ** All rights reserved. |
4 ** All rights reserved. |
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
6 ** |
6 ** |
7 ** This file is part of the QtOpenGL module of the Qt Toolkit. |
7 ** This file is part of the QtOpenGL module of the Qt Toolkit. |
8 ** |
8 ** |
79 } |
79 } |
80 if (screen->classId() == QScreen::GLClass) |
80 if (screen->classId() == QScreen::GLClass) |
81 return static_cast<QGLScreen *>(screen); |
81 return static_cast<QGLScreen *>(screen); |
82 else |
82 else |
83 return 0; |
83 return 0; |
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84 } |
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85 |
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86 /* |
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87 QGLTemporaryContext implementation |
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88 */ |
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89 |
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90 class QGLTemporaryContextPrivate |
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91 { |
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92 public: |
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93 QGLWidget *widget; |
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94 }; |
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95 |
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96 QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *) |
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97 : d(new QGLTemporaryContextPrivate) |
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98 { |
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99 d->widget = new QGLWidget; |
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100 d->widget->makeCurrent(); |
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101 } |
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102 |
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103 QGLTemporaryContext::~QGLTemporaryContext() |
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104 { |
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105 delete d->widget; |
84 } |
106 } |
85 |
107 |
86 /***************************************************************************** |
108 /***************************************************************************** |
87 QOpenGL debug facilities |
109 QOpenGL debug facilities |
88 *****************************************************************************/ |
110 *****************************************************************************/ |
309 |
331 |
310 void QGLWidget::setColormap(const QGLColormap &) |
332 void QGLWidget::setColormap(const QGLColormap &) |
311 { |
333 { |
312 } |
334 } |
313 |
335 |
314 void QGLExtensions::init() |
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315 { |
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316 static bool init_done = false; |
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317 |
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318 if (init_done) |
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319 return; |
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320 init_done = true; |
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321 |
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322 // We need a context current to initialize the extensions, |
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323 // but getting a valid EGLNativeWindowType this early can be |
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324 // problematic under QWS. So use a pbuffer instead. |
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325 // |
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326 // Unfortunately OpenGL/ES 2.0 systems don't normally |
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327 // support pbuffers, so we have no choice but to try |
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328 // our luck with a window on those systems. |
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329 #if defined(QT_OPENGL_ES_2) |
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330 QGLWidget tmpWidget; |
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331 tmpWidget.makeCurrent(); |
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332 |
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333 init_extensions(); |
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334 |
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335 tmpWidget.doneCurrent(); |
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336 #else |
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337 QGLPixelBuffer pbuffer(16, 16); |
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338 pbuffer.makeCurrent(); |
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339 |
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340 init_extensions(); |
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341 |
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342 pbuffer.doneCurrent(); |
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343 #endif |
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344 } |
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345 |
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346 QT_END_NAMESPACE |
336 QT_END_NAMESPACE |