1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QT_EGL_P_H 41 #define QT_EGL_P_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #ifdef QT_EGL_NO_X11 55 # ifndef EGL_NO_X11 56 # define EGL_NO_X11 57 # endif 58 # ifndef MESA_EGL_NO_X11_HEADERS 59 # define MESA_EGL_NO_X11_HEADERS // MESA 60 # endif 61 # if !defined(Q_OS_INTEGRITY) 62 # define WIN_INTERFACE_CUSTOM // NV 63 # endif // Q_OS_INTEGRITY 64 #else // QT_EGL_NO_X11 65 // If one has an eglplatform.h with https://github.com/KhronosGroup/EGL-Registry/pull/130 66 // that needs USE_X11 to be defined. 67 # define USE_X11 68 #endif 69 70 #ifdef QT_EGL_WAYLAND 71 # define WAYLAND // NV 72 #endif // QT_EGL_WAYLAND 73 74 #include <EGL/egl.h> 75 #include <EGL/eglext.h> 76 77 #include <stdint.h> 78 79 QT_BEGIN_NAMESPACE 80 81 namespace QtInternal { 82 83 template <class FromType, class ToType> 84 struct QtEglConverter 85 { convertQtEglConverter86 static inline ToType convert(FromType v) 87 { return v; } 88 }; 89 90 template <> 91 struct QtEglConverter<uint32_t, uintptr_t> 92 { 93 static inline uintptr_t convert(uint32_t v) 94 { return v; } 95 }; 96 97 #if QT_POINTER_SIZE > 4 98 template <> 99 struct QtEglConverter<uintptr_t, uint32_t> 100 { 101 static inline uint32_t convert(uintptr_t v) 102 { return uint32_t(v); } 103 }; 104 #endif 105 106 template <> 107 struct QtEglConverter<uint32_t, void *> 108 { 109 static inline void *convert(uint32_t v) 110 { return reinterpret_cast<void *>(uintptr_t(v)); } 111 }; 112 113 template <> 114 struct QtEglConverter<void *, uint32_t> 115 { 116 static inline uint32_t convert(void *v) 117 { return uintptr_t(v); } 118 }; 119 120 } // QtInternal 121 122 template <class ToType, class FromType> 123 static inline ToType qt_egl_cast(FromType from) 124 { return QtInternal::QtEglConverter<FromType, ToType>::convert(from); } 125 126 QT_END_NAMESPACE 127 128 #endif // QT_EGL_P_H 129