| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtGui module 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 |
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| ** GNU Lesser General Public License Usage |
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| ** General Public License version 3 as published by the Free Software |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** 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 |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QOPENGLCONTEXT_H |
| #define QOPENGLCONTEXT_H |
| |
| #include <QtGui/qtguiglobal.h> |
| |
| #ifndef QT_NO_OPENGL |
| |
| #include <QtCore/qnamespace.h> |
| #include <QtCore/QObject> |
| #include <QtCore/QScopedPointer> |
| |
| #include <QtGui/QSurfaceFormat> |
| |
| #ifdef __GLEW_H__ |
| #if defined(Q_CC_GNU) |
| #warning qopenglfunctions.h is not compatible with GLEW, GLEW defines will be undefined |
| #warning To use GLEW with Qt, do not include <qopengl.h> or <QOpenGLFunctions> after glew.h |
| #endif |
| #endif |
| |
| #include <QtGui/qopengl.h> |
| #include <QtGui/qopenglversionfunctions.h> |
| |
| #if QT_DEPRECATED_SINCE(5, 6) |
| #include <QtCore/qhash.h> |
| #endif |
| #include <QtCore/qhashfunctions.h> |
| #include <QtCore/qpair.h> |
| #include <QtCore/qvariant.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QDebug; |
| class QOpenGLContextPrivate; |
| class QOpenGLContextGroupPrivate; |
| class QOpenGLFunctions; |
| class QOpenGLExtraFunctions; |
| class QPlatformOpenGLContext; |
| |
| class QScreen; |
| class QSurface; |
| |
| class QOpenGLVersionProfilePrivate; |
| |
| class Q_GUI_EXPORT QOpenGLVersionProfile |
| { |
| public: |
| QOpenGLVersionProfile(); |
| explicit QOpenGLVersionProfile(const QSurfaceFormat &format); |
| QOpenGLVersionProfile(const QOpenGLVersionProfile &other); |
| ~QOpenGLVersionProfile(); |
| |
| QOpenGLVersionProfile &operator=(const QOpenGLVersionProfile &rhs); |
| |
| QPair<int, int> version() const; |
| void setVersion(int majorVersion, int minorVersion); |
| |
| QSurfaceFormat::OpenGLContextProfile profile() const; |
| void setProfile(QSurfaceFormat::OpenGLContextProfile profile); |
| |
| bool hasProfiles() const; |
| bool isLegacyVersion() const; |
| bool isValid() const; |
| |
| private: |
| QOpenGLVersionProfilePrivate* d; |
| }; |
| |
| inline uint qHash(const QOpenGLVersionProfile &v, uint seed = 0) |
| { |
| return qHash(static_cast<int>(v.profile() * 1000) |
| + v.version().first * 100 + v.version().second * 10, seed); |
| } |
| |
| inline bool operator==(const QOpenGLVersionProfile &lhs, const QOpenGLVersionProfile &rhs) |
| { |
| if (lhs.profile() != rhs.profile()) |
| return false; |
| return lhs.version() == rhs.version(); |
| } |
| |
| inline bool operator!=(const QOpenGLVersionProfile &lhs, const QOpenGLVersionProfile &rhs) |
| { |
| return !operator==(lhs, rhs); |
| } |
| |
| class Q_GUI_EXPORT QOpenGLContextGroup : public QObject |
| { |
| Q_OBJECT |
| Q_DECLARE_PRIVATE(QOpenGLContextGroup) |
| public: |
| ~QOpenGLContextGroup(); |
| |
| QList<QOpenGLContext *> shares() const; |
| |
| static QOpenGLContextGroup *currentContextGroup(); |
| |
| private: |
| QOpenGLContextGroup(); |
| |
| friend class QOpenGLContext; |
| friend class QOpenGLContextGroupResourceBase; |
| friend class QOpenGLSharedResource; |
| friend class QOpenGLMultiGroupSharedResource; |
| }; |
| |
| |
| class QOpenGLTextureHelper; |
| |
| class Q_GUI_EXPORT QOpenGLContext : public QObject |
| { |
| Q_OBJECT |
| Q_DECLARE_PRIVATE(QOpenGLContext) |
| public: |
| explicit QOpenGLContext(QObject *parent = nullptr); |
| ~QOpenGLContext(); |
| |
| void setFormat(const QSurfaceFormat &format); |
| void setShareContext(QOpenGLContext *shareContext); |
| void setScreen(QScreen *screen); |
| void setNativeHandle(const QVariant &handle); |
| |
| bool create(); |
| bool isValid() const; |
| |
| QSurfaceFormat format() const; |
| QOpenGLContext *shareContext() const; |
| QOpenGLContextGroup *shareGroup() const; |
| QScreen *screen() const; |
| QVariant nativeHandle() const; |
| |
| GLuint defaultFramebufferObject() const; |
| |
| bool makeCurrent(QSurface *surface); |
| void doneCurrent(); |
| |
| void swapBuffers(QSurface *surface); |
| QFunctionPointer getProcAddress(const QByteArray &procName) const; |
| QFunctionPointer getProcAddress(const char *procName) const; |
| |
| QSurface *surface() const; |
| |
| static QOpenGLContext *currentContext(); |
| static bool areSharing(QOpenGLContext *first, QOpenGLContext *second); |
| |
| QPlatformOpenGLContext *handle() const; |
| QPlatformOpenGLContext *shareHandle() const; |
| |
| QOpenGLFunctions *functions() const; |
| QOpenGLExtraFunctions *extraFunctions() const; |
| |
| QAbstractOpenGLFunctions *versionFunctions(const QOpenGLVersionProfile &versionProfile = QOpenGLVersionProfile()) const; |
| |
| template<class TYPE> |
| TYPE *versionFunctions() const |
| { |
| QOpenGLVersionProfile v = TYPE::versionProfile(); |
| return static_cast<TYPE*>(versionFunctions(v)); |
| } |
| |
| QSet<QByteArray> extensions() const; |
| bool hasExtension(const QByteArray &extension) const; |
| |
| static void *openGLModuleHandle(); |
| |
| enum OpenGLModuleType { |
| LibGL, |
| LibGLES |
| }; |
| |
| static OpenGLModuleType openGLModuleType(); |
| |
| bool isOpenGLES() const; |
| |
| static bool supportsThreadedOpenGL(); |
| static QOpenGLContext *globalShareContext(); |
| |
| Q_SIGNALS: |
| void aboutToBeDestroyed(); |
| |
| private: |
| friend class QGLContext; |
| friend class QGLPixelBuffer; |
| friend class QOpenGLContextResourceBase; |
| friend class QOpenGLPaintDevice; |
| friend class QOpenGLGlyphTexture; |
| friend class QOpenGLTextureGlyphCache; |
| friend class QOpenGLEngineShaderManager; |
| friend class QOpenGLFramebufferObject; |
| friend class QOpenGLFramebufferObjectPrivate; |
| friend class QOpenGL2PaintEngineEx; |
| friend class QOpenGL2PaintEngineExPrivate; |
| friend class QSGDistanceFieldGlyphCache; |
| friend class QWidgetPrivate; |
| friend class QAbstractOpenGLFunctionsPrivate; |
| friend class QOpenGLTexturePrivate; |
| |
| void *qGLContextHandle() const; |
| void setQGLContextHandle(void *handle,void (*qGLContextDeleteFunction)(void *)); |
| void deleteQGLContext(); |
| |
| QOpenGLVersionFunctionsStorage* functionsBackendStorage() const; |
| void insertExternalFunctions(QAbstractOpenGLFunctions *f); |
| void removeExternalFunctions(QAbstractOpenGLFunctions *f); |
| |
| QOpenGLTextureHelper* textureFunctions() const; |
| void setTextureFunctions(QOpenGLTextureHelper* textureFuncs); |
| |
| void destroy(); |
| |
| Q_PRIVATE_SLOT(d_func(), void _q_screenDestroyed(QObject *object)) |
| }; |
| |
| #ifndef QT_NO_DEBUG_STREAM |
| Q_GUI_EXPORT QDebug operator<<(QDebug debug, const QOpenGLVersionProfile &vp); |
| Q_GUI_EXPORT QDebug operator<<(QDebug debug, const QOpenGLContext *ctx); |
| Q_GUI_EXPORT QDebug operator<<(QDebug debug, const QOpenGLContextGroup *cg); |
| #endif // !QT_NO_DEBUG_STREAM |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_OPENGL |
| |
| #endif // QOPENGLCONTEXT_H |