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Diffstat (limited to 'src/opengl/qegl_p.h')
-rw-r--r-- | src/opengl/qegl_p.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/opengl/qegl_p.h b/src/opengl/qegl_p.h new file mode 100644 index 0000000..76cb573 --- /dev/null +++ b/src/opengl/qegl_p.h @@ -0,0 +1,188 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QEGL_P_H +#define QEGL_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 QGLWidget class. This header file may change from +// version to version without notice, or even be removed. +// +// We mean it. +// + +#include "QtCore/qvarlengtharray.h" +#include "QtCore/qsize.h" +#include "QtGui/qimage.h" + +#if defined(QT_OPENGL_ES) || defined(QT_OPENVG) + +QT_BEGIN_INCLUDE_NAMESPACE +#if defined(QT_OPENGL_ES_2) || defined(QT_OPENVG) +#include <EGL/egl.h> +#else +#include <GLES/egl.h> +#endif +#if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED) +#undef EGLNativeWindowType +#undef EGLNativePixmapType +#undef EGLNativeDisplayType +typedef NativeWindowType EGLNativeWindowType; +typedef NativePixmapType EGLNativePixmapType; +typedef NativeDisplayType EGLNativeDisplayType; +#define QEGL_NATIVE_TYPES_DEFINED 1 +#endif +QT_END_INCLUDE_NAMESPACE + +class QX11Info; +class QPaintDevice; +class QImage; +class QPixmap; +class QWidget; + +QT_BEGIN_NAMESPACE + +class Q_OPENGL_EXPORT QEglProperties +{ +public: + QEglProperties(); + QEglProperties(const QEglProperties& other) : props(other.props) {} + ~QEglProperties() {} + + int value(int name) const; + void setValue(int name, int value); + bool removeValue(int name); + + const int *properties() const { return props.constData(); } + + void setPixelFormat(QImage::Format pixelFormat); +#ifdef Q_WS_X11 + void setVisualFormat(const QX11Info *xinfo); +#endif + void setRenderableType(int api); + + bool reduceConfiguration(); + + QString toString() const; + +private: + QVarLengthArray<int> props; +}; + +class Q_OPENGL_EXPORT QEglContext +{ +public: + QEglContext(); + ~QEglContext(); + + enum API + { + OpenGL, + OpenVG + }; + + enum PixelFormatMatch + { + ExactPixelFormat, + BestPixelFormat + }; + + bool isValid() const; + bool isSharing() const; + + void setApi(QEglContext::API api) { apiType = api; } + bool openDisplay(QPaintDevice *device); + bool chooseConfig(const QEglProperties& properties, PixelFormatMatch match = ExactPixelFormat); + bool createContext(QEglContext *shareContext = 0); + bool createSurface(QPaintDevice *device); + bool recreateSurface(QPaintDevice *device); + void setSurface(EGLSurface surface) { surf = surface; } + + void destroy(); + + bool makeCurrent(); + bool doneCurrent(); + bool swapBuffers(); + + void waitNative(); + void waitClient(); + + QSize surfaceSize() const; + + bool configAttrib(int name, EGLint *value) const; + + void clearError() const { eglGetError(); } + + QEglContext::API api() const { return apiType; } + + EGLDisplay display() const { return dpy; } + EGLContext context() const { return ctx; } + EGLSurface surface() const { return surf; } + EGLConfig config() const { return cfg; } + + QEglProperties configProperties(EGLConfig cfg = 0) const; + + static EGLDisplay defaultDisplay(QPaintDevice *device); + static QString errorString(int code); + + void dumpAllConfigs(); + +private: + QEglContext::API apiType; + EGLDisplay dpy; + EGLContext ctx; + EGLSurface surf; + EGLConfig cfg; + bool share; + void *reserved; // For extension data in future versions. + + static EGLDisplay getDisplay(QPaintDevice *device); +}; + +QT_END_NAMESPACE + +#endif // QT_OPENGL_ES || QT_OPENVG + +#endif // QEGL_P_H |