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204 lines
6.4 KiB
C++
204 lines
6.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QEGL_P_H
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#define QEGL_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience of
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// the QtOpenGL modules. This header file may change from
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// version to version without notice, or even be removed.
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//
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// We mean it.
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//
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QT_BEGIN_INCLUDE_NAMESPACE
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#ifndef QT_NO_EGL
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#if defined(QT_OPENGL_ES_2)
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# include <GLES2/gl2.h>
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#endif
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#if defined(QT_GLES_EGL)
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# include <GLES/egl.h>
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#else
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# include <EGL/egl.h>
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#endif
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#if !defined(EGL_VERSION_1_2)
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typedef unsigned int EGLenum;
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typedef void *EGLClientBuffer;
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#endif
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#else
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//types from egltypes.h for compiling stub without EGL headers
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typedef int EGLBoolean;
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typedef int EGLint;
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typedef int EGLenum;
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typedef int NativeDisplayType;
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typedef void* NativeWindowType;
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typedef void* NativePixmapType;
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typedef int EGLDisplay;
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typedef int EGLConfig;
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typedef int EGLSurface;
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typedef int EGLContext;
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typedef int EGLClientBuffer;
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#define EGL_NONE 0x3038 /* Attrib list terminator */
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#endif
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// Internally we use the EGL-prefixed native types which are used in EGL >= 1.3.
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// For older versions of EGL, we have to define these types ourselves here:
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#if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED)
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#undef EGLNativeWindowType
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#undef EGLNativePixmapType
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#undef EGLNativeDisplayType
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typedef NativeWindowType EGLNativeWindowType;
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typedef NativePixmapType EGLNativePixmapType;
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typedef NativeDisplayType EGLNativeDisplayType;
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#define QEGL_NATIVE_TYPES_DEFINED 1
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#endif
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QT_END_INCLUDE_NAMESPACE
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#include <QtGui/qpaintdevice.h>
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#include <QtCore/qglobal.h>
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QT_BEGIN_NAMESPACE
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#define QEGL_NO_CONFIG ((EGLConfig)-1)
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#ifndef EGLAPIENTRY
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#define EGLAPIENTRY
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#endif
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// Try to get some info to debug the symbian build failues:
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// Declare/define the bits of EGL_KHR_image_base we need:
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#if !defined(EGL_KHR_image) && !defined(EGL_KHR_image_base)
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typedef void *EGLImageKHR;
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#if !defined(EGL_NO_IMAGE_KHR)
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#define EGL_NO_IMAGE_KHR ((EGLImageKHR)0)
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#endif
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#if !defined(EGL_IMAGE_PRESERVED_KHR)
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#define EGL_IMAGE_PRESERVED_KHR 0x30D2
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#endif
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#if !defined(EGL_KHR_image_base)
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#define EGL_KHR_image_base
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#endif
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#endif
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#if !defined(EGL_KHR_image)
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#define EGL_NATIVE_PIXMAP_KHR 0x30B0
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#endif
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#if !defined(EGL_KHR_image_pixmap)
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#define EGL_KHR_image_pixmap
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#endif
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class QEglProperties;
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namespace QEgl {
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enum API
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{
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OpenGL,
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};
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enum PixelFormatMatch
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{
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ExactPixelFormat,
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BestPixelFormat
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};
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enum ConfigOption
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{
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NoOptions = 0,
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Translucent = 0x01,
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Renderable = 0x02 // Config will be compatable with the paint engines (VG or GL)
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};
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Q_DECLARE_FLAGS(ConfigOptions, ConfigOption)
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// Most of the time we use the same config for things like widgets & pixmaps, so rather than
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// go through the eglChooseConfig loop every time, we use defaultConfig, which will return
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// the config for a particular device/api/option combo. This function assumes that once a
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// config is chosen for a particular combo, it's safe to always use that combo.
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Q_GUI_EXPORT EGLConfig defaultConfig(int devType, API api, ConfigOptions options);
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Q_GUI_EXPORT EGLConfig chooseConfig(const QEglProperties* configAttribs, QEgl::PixelFormatMatch match = QEgl::ExactPixelFormat);
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Q_GUI_EXPORT EGLSurface createSurface(QPaintDevice *device, EGLConfig cfg, const QEglProperties *surfaceAttribs = 0);
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Q_GUI_EXPORT void dumpAllConfigs();
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#ifdef QT_NO_EGL
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Q_GUI_EXPORT QString errorString(EGLint code = 0);
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#else
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Q_GUI_EXPORT QString errorString(EGLint code = eglGetError());
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#endif
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Q_GUI_EXPORT QString extensions();
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Q_GUI_EXPORT bool hasExtension(const char* extensionName);
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Q_GUI_EXPORT EGLDisplay display();
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Q_GUI_EXPORT EGLNativeDisplayType nativeDisplay();
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Q_GUI_EXPORT EGLNativeWindowType nativeWindow(QWidget*);
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Q_GUI_EXPORT EGLNativePixmapType nativePixmap(QPixmap*);
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// Extension functions
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Q_GUI_EXPORT EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
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Q_GUI_EXPORT EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img);
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Q_GUI_EXPORT EGLBoolean eglSwapBuffersRegion2NOK(EGLDisplay dpy, EGLSurface surface, EGLint count, const EGLint *rects);
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#ifdef Q_WS_X11
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#include <X11/Xutil.h>
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Q_GUI_EXPORT VisualID getCompatibleVisualId(EGLConfig config);
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#endif
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}
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Q_DECLARE_OPERATORS_FOR_FLAGS(QEgl::ConfigOptions)
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QT_END_NAMESPACE
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#endif //QEGL_P_H
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