diff options
| -rw-r--r-- | src/gui/opengl/qopenglvertexarrayobject.cpp | 87 | ||||
| -rw-r--r-- | src/gui/opengl/qopenglvertexarrayobject.h | 2 | ||||
| -rw-r--r-- | src/gui/opengl/qopenglvertexarrayobject_p.h | 119 |
3 files changed, 153 insertions, 55 deletions
diff --git a/src/gui/opengl/qopenglvertexarrayobject.cpp b/src/gui/opengl/qopenglvertexarrayobject.cpp index d9b9385751..c2109a1cec 100644 --- a/src/gui/opengl/qopenglvertexarrayobject.cpp +++ b/src/gui/opengl/qopenglvertexarrayobject.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB). +** Copyright (C) 2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Sean Harmer <sean.harmer@kdab.com> ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtGui module of the Qt Toolkit. @@ -49,69 +49,48 @@ #include <QtGui/qopenglfunctions_3_0.h> #include <QtGui/qopenglfunctions_3_2_core.h> +#include <private/qopenglvertexarrayobject_p.h> + QT_BEGIN_NAMESPACE class QOpenGLFunctions_3_0; class QOpenGLFunctions_3_2_Core; -class QVertexArrayObjectHelper +void qtInitializeVertexArrayObjectHelper(QOpenGLVertexArrayObjectHelper *helper, QOpenGLContext *context) { -public: - QVertexArrayObjectHelper(QOpenGLContext *context) - { - Q_ASSERT(context); - bool tryARB = true; + Q_ASSERT(helper); + Q_ASSERT(context); + + bool tryARB = true; - if (context->isOpenGLES()) { + if (context->isOpenGLES()) { #ifdef QT_OPENGL_ES_3 - GenVertexArrays = ::glGenVertexArrays; - DeleteVertexArrays = ::glDeleteVertexArrays; - BindVertexArray = ::glBindVertexArray; - tryARB = false; + helper->GenVertexArrays = ::glGenVertexArrays; + helper->DeleteVertexArrays = ::glDeleteVertexArrays; + helper->BindVertexArray = ::glBindVertexArray; + tryARB = false; #else - if (context->hasExtension(QByteArrayLiteral("GL_OES_vertex_array_object"))) { - GenVertexArrays = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , GLuint *)>(context->getProcAddress(QByteArrayLiteral("glGenVertexArraysOES"))); - DeleteVertexArrays = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *)>(context->getProcAddress(QByteArrayLiteral("glDeleteVertexArraysOES"))); - BindVertexArray = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint )>(context->getProcAddress(QByteArrayLiteral("glBindVertexArrayOES"))); - tryARB = false; - } -#endif - } else if (!context->hasExtension(QByteArrayLiteral("GL_ARB_vertex_array_object")) - && context->hasExtension(QByteArrayLiteral("GL_APPLE_vertex_array_object"))) { - GenVertexArrays = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , GLuint *)>(context->getProcAddress(QByteArrayLiteral("glGenVertexArraysAPPLE"))); - DeleteVertexArrays = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *)>(context->getProcAddress(QByteArrayLiteral("glDeleteVertexArraysAPPLE"))); - BindVertexArray = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint )>(context->getProcAddress(QByteArrayLiteral("glBindVertexArrayAPPLE"))); + if (context->hasExtension(QByteArrayLiteral("GL_OES_vertex_array_object"))) { + helper->GenVertexArrays = reinterpret_cast<QOpenGLVertexArrayObjectHelper::qt_GenVertexArrays_t>(context->getProcAddress(QByteArrayLiteral("glGenVertexArraysOES"))); + helper->DeleteVertexArrays = reinterpret_cast<QOpenGLVertexArrayObjectHelper::qt_DeleteVertexArrays_t>(context->getProcAddress(QByteArrayLiteral("glDeleteVertexArraysOES"))); + helper->BindVertexArray = reinterpret_cast<QOpenGLVertexArrayObjectHelper::qt_BindVertexArray_t>(context->getProcAddress(QByteArrayLiteral("glBindVertexArrayOES"))); tryARB = false; } - - if (tryARB) { - GenVertexArrays = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , GLuint *)>(context->getProcAddress(QByteArrayLiteral("glGenVertexArrays"))); - DeleteVertexArrays = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *)>(context->getProcAddress(QByteArrayLiteral("glDeleteVertexArrays"))); - BindVertexArray = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint )>(context->getProcAddress(QByteArrayLiteral("glBindVertexArray"))); - } - } - - inline void glGenVertexArrays(GLsizei n, GLuint *arrays) - { - GenVertexArrays(n, arrays); - } - - inline void glDeleteVertexArrays(GLsizei n, const GLuint *arrays) - { - DeleteVertexArrays(n, arrays); +#endif + } else if (context->hasExtension(QByteArrayLiteral("GL_APPLE_vertex_array_object")) && + !context->hasExtension(QByteArrayLiteral("GL_ARB_vertex_array_object"))) { + helper->GenVertexArrays = reinterpret_cast<QOpenGLVertexArrayObjectHelper::qt_GenVertexArrays_t>(context->getProcAddress(QByteArrayLiteral("glGenVertexArraysAPPLE"))); + helper->DeleteVertexArrays = reinterpret_cast<QOpenGLVertexArrayObjectHelper::qt_DeleteVertexArrays_t>(context->getProcAddress(QByteArrayLiteral("glDeleteVertexArraysAPPLE"))); + helper->BindVertexArray = reinterpret_cast<QOpenGLVertexArrayObjectHelper::qt_BindVertexArray_t>(context->getProcAddress(QByteArrayLiteral("glBindVertexArrayAPPLE"))); + tryARB = false; } - inline void glBindVertexArray(GLuint array) - { - BindVertexArray(array); + if (tryARB && context->hasExtension(QByteArrayLiteral("GL_ARB_vertex_array_object"))) { + helper->GenVertexArrays = reinterpret_cast<QOpenGLVertexArrayObjectHelper::qt_GenVertexArrays_t>(context->getProcAddress(QByteArrayLiteral("glGenVertexArrays"))); + helper->DeleteVertexArrays = reinterpret_cast<QOpenGLVertexArrayObjectHelper::qt_DeleteVertexArrays_t>(context->getProcAddress(QByteArrayLiteral("glDeleteVertexArrays"))); + helper->BindVertexArray = reinterpret_cast<QOpenGLVertexArrayObjectHelper::qt_BindVertexArray_t>(context->getProcAddress(QByteArrayLiteral("glBindVertexArray"))); } - -private: - // Function signatures are equivalent between desktop core, ARB, APPLE, ES3 and ES 2 extensions - void (QOPENGLF_APIENTRYP GenVertexArrays)(GLsizei n, GLuint *arrays); - void (QOPENGLF_APIENTRYP DeleteVertexArrays)(GLsizei n, const GLuint *arrays); - void (QOPENGLF_APIENTRYP BindVertexArray)(GLuint array); -}; +} class QOpenGLVertexArrayObjectPrivate : public QObjectPrivate { @@ -142,7 +121,7 @@ public: union { QOpenGLFunctions_3_0 *core_3_0; QOpenGLFunctions_3_2_Core *core_3_2; - QVertexArrayObjectHelper *helper; + QOpenGLVertexArrayObjectHelper *helper; } vaoFuncs; enum { NotSupported, @@ -175,7 +154,7 @@ bool QOpenGLVertexArrayObjectPrivate::create() if (ctx->isOpenGLES()) { if (ctx->format().majorVersion() >= 3 || ctx->hasExtension(QByteArrayLiteral("GL_OES_vertex_array_object"))) { - vaoFuncs.helper = new QVertexArrayObjectHelper(ctx); + vaoFuncs.helper = new QOpenGLVertexArrayObjectHelper(ctx); vaoFuncsType = OES; vaoFuncs.helper->glGenVertexArrays(1, &vao); } @@ -197,11 +176,11 @@ bool QOpenGLVertexArrayObjectPrivate::create() } else #endif if (ctx->hasExtension(QByteArrayLiteral("GL_ARB_vertex_array_object"))) { - vaoFuncs.helper = new QVertexArrayObjectHelper(ctx); + vaoFuncs.helper = new QOpenGLVertexArrayObjectHelper(ctx); vaoFuncsType = ARB; vaoFuncs.helper->glGenVertexArrays(1, &vao); } else if (ctx->hasExtension(QByteArrayLiteral("GL_APPLE_vertex_array_object"))) { - vaoFuncs.helper = new QVertexArrayObjectHelper(ctx); + vaoFuncs.helper = new QOpenGLVertexArrayObjectHelper(ctx); vaoFuncsType = APPLE; vaoFuncs.helper->glGenVertexArrays(1, &vao); } diff --git a/src/gui/opengl/qopenglvertexarrayobject.h b/src/gui/opengl/qopenglvertexarrayobject.h index 8369497660..19da85bffd 100644 --- a/src/gui/opengl/qopenglvertexarrayobject.h +++ b/src/gui/opengl/qopenglvertexarrayobject.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB). +** Copyright (C) 2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Sean Harmer <sean.harmer@kdab.com> ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtGui module of the Qt Toolkit. diff --git a/src/gui/opengl/qopenglvertexarrayobject_p.h b/src/gui/opengl/qopenglvertexarrayobject_p.h new file mode 100644 index 0000000000..161a388b1a --- /dev/null +++ b/src/gui/opengl/qopenglvertexarrayobject_p.h @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Sean Harmer <sean.harmer@kdab.com> +** Contact: http://www.qt-project.org/legal +** +** 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 +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QOPENGLVERTEXARRAYOBJECT_P_H +#define QOPENGLVERTEXARRAYOBJECT_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of the Qt OpenGL classes. This header file may change from +// version to version without notice, or even be removed. +// +// We mean it. +// + +#include <QtCore/qglobal.h> + +#ifndef QT_NO_OPENGL + +#include <QtGui/qopengl.h> + +QT_BEGIN_NAMESPACE + +class QOpenGLVertexArrayObjectHelper; +class QOpenGLContext; + +void Q_GUI_EXPORT qtInitializeVertexArrayObjectHelper(QOpenGLVertexArrayObjectHelper *helper, QOpenGLContext *context); + +class QOpenGLVertexArrayObjectHelper +{ + Q_DISABLE_COPY(QOpenGLVertexArrayObjectHelper) + +public: + explicit inline QOpenGLVertexArrayObjectHelper(QOpenGLContext *context) + : GenVertexArrays(Q_NULLPTR) + , DeleteVertexArrays(Q_NULLPTR) + , BindVertexArray(Q_NULLPTR) + { + qtInitializeVertexArrayObjectHelper(this, context); + } + + inline bool isValid() const + { + return GenVertexArrays && DeleteVertexArrays && BindVertexArray; + } + + inline void glGenVertexArrays(GLsizei n, GLuint *arrays) const + { + GenVertexArrays(n, arrays); + } + + inline void glDeleteVertexArrays(GLsizei n, const GLuint *arrays) const + { + DeleteVertexArrays(n, arrays); + } + + inline void glBindVertexArray(GLuint array) const + { + BindVertexArray(array); + } + +private: + friend void Q_GUI_EXPORT qtInitializeVertexArrayObjectHelper(QOpenGLVertexArrayObjectHelper *helper, QOpenGLContext *context); + + // Function signatures are equivalent between desktop core, ARB, APPLE, ES 3 and ES 2 extensions + typedef void (QOPENGLF_APIENTRYP qt_GenVertexArrays_t)(GLsizei n, GLuint *arrays); + typedef void (QOPENGLF_APIENTRYP qt_DeleteVertexArrays_t)(GLsizei n, const GLuint *arrays); + typedef void (QOPENGLF_APIENTRYP qt_BindVertexArray_t)(GLuint array); + + qt_GenVertexArrays_t GenVertexArrays; + qt_DeleteVertexArrays_t DeleteVertexArrays; + qt_BindVertexArray_t BindVertexArray; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_OPENGL + +#endif // QOPENGLVERTEXARRAYOBJECT_P_H |