From d56203436a2e59c35e0243ad86338d131de62f20 Mon Sep 17 00:00:00 2001 From: Lars Knoll Date: Wed, 3 Feb 2016 10:11:13 +0100 Subject: Use an enum for versioning the opengl function backends Saves some code, is easier to maintain and will allow for some more nice refactoring. Change-Id: Ica7ae8e9d36acbe6586e488bc6aff114336c65bb Reviewed-by: Laszlo Agocs --- src/gui/opengl/qopenglversionfunctions.h | 180 ++++++++++++++++++------------- 1 file changed, 104 insertions(+), 76 deletions(-) (limited to 'src/gui/opengl/qopenglversionfunctions.h') diff --git a/src/gui/opengl/qopenglversionfunctions.h b/src/gui/opengl/qopenglversionfunctions.h index 537d4f4dd7..7d2616a5d9 100644 --- a/src/gui/opengl/qopenglversionfunctions.h +++ b/src/gui/opengl/qopenglversionfunctions.h @@ -75,23 +75,6 @@ class QOpenGLContext; qFatal("This function was erroneously included in previous versions of Qt and is here only for binary compatibility. " \ "If you need to use this function, please use a legacy OpenGL version or a Compatibility profile.") -#define QT_OPENGL_DECLARE_FUNCTIONS(ret, name, args) \ - ret (QOPENGLF_APIENTRYP name)args; -#define QT_OPENGL_COUNT_FUNCTIONS(ret, name, args) +1 - -#define QT_OPENGL_DECLARE(FUNCTIONS) \ -public: \ - struct Functions { \ - FUNCTIONS(QT_OPENGL_DECLARE_FUNCTIONS) \ - }; \ - union { \ - QFunctionPointer functions[FUNCTIONS(QT_OPENGL_COUNT_FUNCTIONS)]; \ - Functions f; \ - }; \ -private: \ - void init() - - struct QOpenGLVersionStatus { enum OpenGLStatus { @@ -130,9 +113,56 @@ Q_DECL_CONSTEXPR inline bool operator!=(const QOpenGLVersionStatus &lhs, const Q return !operator==(lhs, rhs); } +#define QT_OPENGL_DECLARE_FUNCTIONS(ret, name, args) \ + ret (QOPENGLF_APIENTRYP name)args; +#define QT_OPENGL_COUNT_FUNCTIONS(ret, name, args) +1 + +#define QT_OPENGL_DECLARE(FUNCTIONS) \ +public: \ + struct Functions { \ + FUNCTIONS(QT_OPENGL_DECLARE_FUNCTIONS) \ + }; \ + union { \ + QFunctionPointer functions[FUNCTIONS(QT_OPENGL_COUNT_FUNCTIONS)]; \ + Functions f; \ + }; \ +private: \ + void init() + class QOpenGLVersionFunctionsBackend { public: + enum Version { + OpenGL_1_0, + OpenGL_1_1, + OpenGL_1_2, + OpenGL_1_3, + OpenGL_1_4, + OpenGL_1_5, + OpenGL_2_0, + OpenGL_2_1, + OpenGL_3_0, + OpenGL_3_1, + OpenGL_3_2_Core, + OpenGL_3_3_Core, + OpenGL_4_0_Core, + OpenGL_4_1_Core, + OpenGL_4_2_Core, + OpenGL_4_3_Core, + OpenGL_4_4_Core, + OpenGL_4_5_Core, + OpenGL_1_0_Deprecated, + OpenGL_1_1_Deprecated, + OpenGL_1_2_Deprecated, + OpenGL_1_3_Deprecated, + OpenGL_1_4_Deprecated, + OpenGL_2_0_Deprecated, + OpenGL_3_0_Deprecated, + OpenGL_3_3_Deprecated, + OpenGL_4_5_Deprecated, + OpenGLVersionBackendCount + }; + QOpenGLVersionFunctionsBackend(QOpenGLContext *ctx) : context(ctx) {} @@ -151,12 +181,10 @@ public: initialized(false) {} - static QOpenGLVersionFunctionsBackend *functionsBackend(QOpenGLContext *context, - const QOpenGLVersionStatus &v); - static void insertFunctionsBackend(QOpenGLContext *context, - const QOpenGLVersionStatus &v, + static QOpenGLVersionFunctionsBackend *functionsBackend(QOpenGLContext *context, QOpenGLVersionFunctionsBackend::Version v); + static void insertFunctionsBackend(QOpenGLContext *context, QOpenGLVersionFunctionsBackend::Version v, QOpenGLVersionFunctionsBackend *backend); - static void removeFunctionsBackend(QOpenGLContext *context, const QOpenGLVersionStatus &v); + static void removeFunctionsBackend(QOpenGLContext *context, QOpenGLVersionFunctionsBackend::Version v); static void insertExternalFunctions(QOpenGLContext *context, QAbstractOpenGLFunctions *f); static void removeExternalFunctions(QOpenGLContext *context, QAbstractOpenGLFunctions *f); @@ -203,8 +231,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 0, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_0; } // OpenGL 1.0 core functions #define QT_OPENGL_1_0_FUNCTIONS(F) \ @@ -269,8 +297,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 1, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_1; } // OpenGL 1.1 core functions #define QT_OPENGL_1_1_FUNCTIONS(F) \ @@ -303,8 +331,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 2, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_2; } // OpenGL 1.2 core functions #define QT_OPENGL_1_2_FUNCTIONS(F) \ @@ -327,8 +355,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 3, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_3; } // OpenGL 1.3 core functions #define QT_OPENGL_1_3_FUNCTIONS(F) \ @@ -354,8 +382,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 4, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_4; } // OpenGL 1.4 core functions #define QT_OPENGL_1_4_FUNCTIONS(F) \ @@ -379,8 +407,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 5, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_5; } // OpenGL 1.5 core functions #define QT_OPENGL_1_5_FUNCTIONS(F) \ @@ -416,8 +444,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(2, 0, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_2_0; } // OpenGL 2.0 core functions #define QT_OPENGL_2_0_FUNCTIONS(F) \ @@ -527,8 +555,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(2, 1, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_2_1; } // OpenGL 2.1 core functions #define QT_OPENGL_2_1_FUNCTIONS(F) \ @@ -551,8 +579,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(3, 0, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_3_0; } // OpenGL 3.0 core functions #define QT_OPENGL_3_0_FUNCTIONS(F) \ @@ -653,8 +681,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(3, 1, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_3_1; } // OpenGL 3.1 core functions #define QT_OPENGL_3_1_FUNCTIONS(F) \ @@ -683,8 +711,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(3, 2, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_3_2_Core; } // OpenGL 3.2 core functions #define QT_OPENGL_3_2_FUNCTIONS(F) \ @@ -720,8 +748,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(3, 3, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_3_3_Core; } // OpenGL 3.3 core functions #define QT_OPENGL_3_3_FUNCTIONS(F) \ @@ -796,8 +824,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(4, 0, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_4_0_Core; } // OpenGL 4.0 core functions #define QT_OPENGL_4_0_FUNCTIONS(F) \ @@ -860,8 +888,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(4, 1, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_4_1_Core; } // OpenGL 4.1 core functions #define QT_OPENGL_4_1_FUNCTIONS(F) \ @@ -966,8 +994,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(4, 2, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_4_2_Core; } // OpenGL 4.2 core functions #define QT_OPENGL_4_2_FUNCTIONS(F) \ @@ -996,8 +1024,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(4, 3, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_4_3_Core; } // OpenGL 4.3 core functions #define QT_OPENGL_4_3_FUNCTIONS(F) \ @@ -1057,8 +1085,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(4, 4, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_4_4_Core; } // OpenGL 4.4 core functions #define QT_OPENGL_4_4_FUNCTIONS(F) \ @@ -1084,8 +1112,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(4, 5, QOpenGLVersionStatus::CoreStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_4_5_Core; } // OpenGL 4.5 core functions #define QT_OPENGL_4_5_FUNCTIONS(F) \ @@ -1208,8 +1236,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 0, QOpenGLVersionStatus::DeprecatedStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_0_Deprecated; } // OpenGL 1.0 deprecated functions #define QT_OPENGL_1_0_DEPRECATED_FUNCTIONS(F) \ @@ -1484,8 +1512,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 1, QOpenGLVersionStatus::DeprecatedStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_1_Deprecated; } // OpenGL 1.1 deprecated functions #define QT_OPENGL_1_1_DEPRECATED_FUNCTIONS(F) \ @@ -1519,8 +1547,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 2, QOpenGLVersionStatus::DeprecatedStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_2_Deprecated; } // OpenGL 1.2 deprecated functions #define QT_OPENGL_1_2_DEPRECATED_FUNCTIONS(F) \ @@ -1569,8 +1597,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 3, QOpenGLVersionStatus::DeprecatedStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_3_Deprecated; } // OpenGL 1.3 deprecated functions #define QT_OPENGL_1_3_DEPRECATED_FUNCTIONS(F) \ @@ -1624,8 +1652,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(1, 4, QOpenGLVersionStatus::DeprecatedStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_1_4_Deprecated; } // OpenGL 1.4 deprecated functions #define QT_OPENGL_1_4_DEPRECATED_FUNCTIONS(F) \ @@ -1680,8 +1708,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(2, 0, QOpenGLVersionStatus::DeprecatedStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_2_0_Deprecated; } // OpenGL 2.0 deprecated functions #define QT_OPENGL_2_0_DEPRECATED_FUNCTIONS(F) \ @@ -1734,8 +1762,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(3, 0, QOpenGLVersionStatus::DeprecatedStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_3_0_Deprecated; } // OpenGL 3.0 deprecated functions #define QT_OPENGL_3_0_DEPRECATED_FUNCTIONS(F) \ @@ -1772,8 +1800,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(3, 3, QOpenGLVersionStatus::DeprecatedStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_3_3_Deprecated; } // OpenGL 3.3 deprecated functions #define QT_OPENGL_3_3_DEPRECATED_FUNCTIONS(F) \ @@ -1820,8 +1848,8 @@ public: init(); } - Q_DECL_CONSTEXPR static QOpenGLVersionStatus versionStatus() - { return QOpenGLVersionStatus(4, 5, QOpenGLVersionStatus::DeprecatedStatus); } + Q_DECL_CONSTEXPR static Version versionStatus() + { return OpenGL_4_5_Deprecated; } // OpenGL 4.5 deprecated functions #define QT_OPENGL_4_5_DEPRECATED_FUNCTIONS(F) \ -- cgit v1.2.3