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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#endif // QT_EGL_NO_X11
65
66#ifdef QT_EGL_WAYLAND
67# define WAYLAND // NV
68#endif // QT_EGL_WAYLAND
69
70#include <EGL/egl.h>
71#include <EGL/eglext.h>
72
73#include <stdint.h>
74
75QT_BEGIN_NAMESPACE
76
77namespace QtInternal {
78
79template <class FromType, class ToType>
80struct QtEglConverter
81{
82 static inline ToType convert(FromType v)
83 { return v; }
84};
85
86template <>
87struct QtEglConverter<uint32_t, uintptr_t>
88{
89 static inline uintptr_t convert(uint32_t v)
90 { return v; }
91};
92
93#if QT_POINTER_SIZE > 4
94template <>
95struct QtEglConverter<uintptr_t, uint32_t>
96{
97 static inline uint32_t convert(uintptr_t v)
98 { return uint32_t(v); }
99};
100#endif
101
102template <>
103struct QtEglConverter<uint32_t, void *>
104{
105 static inline void *convert(uint32_t v)
106 { return reinterpret_cast<void *>(uintptr_t(v)); }
107};
108
109template <>
110struct QtEglConverter<void *, uint32_t>
111{
112 static inline uint32_t convert(void *v)
113 { return uintptr_t(v); }
114};
115
116} // QtInternal
117
118template <class ToType, class FromType>
119static inline ToType qt_egl_cast(FromType from)
120{ return QtInternal::QtEglConverter<FromType, ToType>::convert(from); }
121
122QT_END_NAMESPACE
123
124#endif // QT_EGL_P_H
125

source code of qtbase/src/platformsupport/eglconvenience/qt_egl_p.h