| 1 | // Copyright (C) 2020 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QT_EGL_P_H |
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| 5 | #define QT_EGL_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | // q(data/text)stream.h must be included before any header file that defines Status |
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| 19 | #include <QtCore/qdatastream.h> |
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| 20 | #include <QtCore/qtextstream.h> |
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| 21 | #include <QtCore/private/qglobal_p.h> |
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| 22 | |
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| 23 | #ifdef QT_EGL_NO_X11 |
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| 24 | # ifndef EGL_NO_X11 |
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| 25 | # define EGL_NO_X11 |
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| 26 | # endif |
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| 27 | # ifndef MESA_EGL_NO_X11_HEADERS |
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| 28 | # define MESA_EGL_NO_X11_HEADERS // MESA |
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| 29 | # endif |
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| 30 | # if !defined(Q_OS_INTEGRITY) |
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| 31 | # define WIN_INTERFACE_CUSTOM // NV |
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| 32 | # endif // Q_OS_INTEGRITY |
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| 33 | #else // QT_EGL_NO_X11 |
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| 34 | // If one has an eglplatform.h with https://github.com/KhronosGroup/EGL-Registry/pull/130 |
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| 35 | // that needs USE_X11 to be defined. |
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| 36 | # define USE_X11 |
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| 37 | #endif |
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| 38 | |
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| 39 | #ifdef QT_EGL_WAYLAND |
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| 40 | # define WAYLAND // NV |
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| 41 | #endif // QT_EGL_WAYLAND |
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| 42 | |
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| 43 | #include <EGL/egl.h> |
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| 44 | #include <EGL/eglext.h> |
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| 45 | |
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| 46 | #include <stdint.h> |
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| 47 | |
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| 48 | QT_BEGIN_NAMESPACE |
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| 49 | |
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| 50 | namespace QtInternal { |
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| 51 | |
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| 52 | template <class FromType, class ToType> |
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| 53 | struct QtEglConverter |
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| 54 | { |
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| 55 | static inline ToType convert(FromType v) |
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| 56 | { return v; } |
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| 57 | }; |
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| 58 | |
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| 59 | template <> |
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| 60 | struct QtEglConverter<uint32_t, uintptr_t> |
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| 61 | { |
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| 62 | static inline uintptr_t convert(uint32_t v) |
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| 63 | { return v; } |
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| 64 | }; |
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| 65 | |
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| 66 | #if QT_POINTER_SIZE > 4 |
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| 67 | template <> |
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| 68 | struct QtEglConverter<uintptr_t, uint32_t> |
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| 69 | { |
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| 70 | static inline uint32_t convert(uintptr_t v) |
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| 71 | { return uint32_t(v); } |
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| 72 | }; |
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| 73 | #endif |
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| 74 | |
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| 75 | template <> |
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| 76 | struct QtEglConverter<uint32_t, void *> |
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| 77 | { |
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| 78 | static inline void *convert(uint32_t v) |
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| 79 | { return reinterpret_cast<void *>(uintptr_t(v)); } |
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| 80 | }; |
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| 81 | |
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| 82 | template <> |
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| 83 | struct QtEglConverter<void *, uint32_t> |
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| 84 | { |
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| 85 | static inline uint32_t convert(void *v) |
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| 86 | { return uintptr_t(v); } |
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| 87 | }; |
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| 88 | |
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| 89 | } // QtInternal |
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| 90 | |
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| 91 | template <class ToType, class FromType> |
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| 92 | static inline ToType qt_egl_cast(FromType from) |
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| 93 | { return QtInternal::QtEglConverter<FromType, ToType>::convert(from); } |
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| 94 | |
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| 95 | QT_END_NAMESPACE |
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| 96 | |
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| 97 | #endif // QT_EGL_P_H |
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| 98 | |
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