eglplatform.h (5239B)
1 #ifndef __eglplatform_h_ 2 #define __eglplatform_h_ 3 4 /* 5 ** Copyright 2007-2020 The Khronos Group Inc. 6 ** SPDX-License-Identifier: Apache-2.0 7 */ 8 9 /* Platform-specific types and definitions for egl.h 10 * 11 * Adopters may modify khrplatform.h and this file to suit their platform. 12 * You are encouraged to submit all modifications to the Khronos group so that 13 * they can be included in future versions of this file. Please submit changes 14 * by filing an issue or pull request on the public Khronos EGL Registry, at 15 * https://www.github.com/KhronosGroup/EGL-Registry/ 16 */ 17 18 #include <KHR/khrplatform.h> 19 20 /* Macros used in EGL function prototype declarations. 21 * 22 * EGL functions should be prototyped as: 23 * 24 * EGLAPI return-type EGLAPIENTRY eglFunction(arguments); 25 * typedef return-type (EXPAPIENTRYP PFNEGLFUNCTIONPROC) (arguments); 26 * 27 * KHRONOS_APICALL and KHRONOS_APIENTRY are defined in KHR/khrplatform.h 28 */ 29 30 #ifndef EGLAPI 31 #define EGLAPI KHRONOS_APICALL 32 #endif 33 34 #ifndef EGLAPIENTRY 35 #define EGLAPIENTRY KHRONOS_APIENTRY 36 #endif 37 #define EGLAPIENTRYP EGLAPIENTRY* 38 39 /* The types NativeDisplayType, NativeWindowType, and NativePixmapType 40 * are aliases of window-system-dependent types, such as X Display * or 41 * Windows Device Context. They must be defined in platform-specific 42 * code below. The EGL-prefixed versions of Native*Type are the same 43 * types, renamed in EGL 1.3 so all types in the API start with "EGL". 44 * 45 * Khronos STRONGLY RECOMMENDS that you use the default definitions 46 * provided below, since these changes affect both binary and source 47 * portability of applications using EGL running on different EGL 48 * implementations. 49 */ 50 51 #if defined(EGL_NO_PLATFORM_SPECIFIC_TYPES) 52 53 typedef void *EGLNativeDisplayType; 54 typedef void *EGLNativePixmapType; 55 typedef void *EGLNativeWindowType; 56 57 #elif defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */ 58 #ifndef WIN32_LEAN_AND_MEAN 59 #define WIN32_LEAN_AND_MEAN 1 60 #endif 61 #include <windows.h> 62 63 typedef HDC EGLNativeDisplayType; 64 typedef HBITMAP EGLNativePixmapType; 65 typedef HWND EGLNativeWindowType; 66 67 #elif defined(__QNX__) 68 69 typedef khronos_uintptr_t EGLNativeDisplayType; 70 typedef struct _screen_pixmap* EGLNativePixmapType; /* screen_pixmap_t */ 71 typedef struct _screen_window* EGLNativeWindowType; /* screen_window_t */ 72 73 #elif defined(__EMSCRIPTEN__) 74 75 typedef int EGLNativeDisplayType; 76 typedef int EGLNativePixmapType; 77 typedef int EGLNativeWindowType; 78 79 #elif defined(__WINSCW__) || defined(__SYMBIAN32__) /* Symbian */ 80 81 typedef int EGLNativeDisplayType; 82 typedef void *EGLNativePixmapType; 83 typedef void *EGLNativeWindowType; 84 85 #elif defined(WL_EGL_PLATFORM) 86 87 typedef struct wl_display *EGLNativeDisplayType; 88 typedef struct wl_egl_pixmap *EGLNativePixmapType; 89 typedef struct wl_egl_window *EGLNativeWindowType; 90 91 #elif defined(__GBM__) 92 93 typedef struct gbm_device *EGLNativeDisplayType; 94 typedef struct gbm_bo *EGLNativePixmapType; 95 typedef void *EGLNativeWindowType; 96 97 #elif defined(__ANDROID__) || defined(ANDROID) 98 99 struct ANativeWindow; 100 struct egl_native_pixmap_t; 101 102 typedef void* EGLNativeDisplayType; 103 typedef struct egl_native_pixmap_t* EGLNativePixmapType; 104 typedef struct ANativeWindow* EGLNativeWindowType; 105 106 #elif defined(USE_OZONE) 107 108 typedef intptr_t EGLNativeDisplayType; 109 typedef intptr_t EGLNativePixmapType; 110 typedef intptr_t EGLNativeWindowType; 111 112 #elif defined(USE_X11) 113 114 /* X11 (tentative) */ 115 #include <X11/Xlib.h> 116 #include <X11/Xutil.h> 117 118 typedef Display *EGLNativeDisplayType; 119 typedef Pixmap EGLNativePixmapType; 120 typedef Window EGLNativeWindowType; 121 122 #elif defined(__unix__) 123 124 typedef void *EGLNativeDisplayType; 125 typedef khronos_uintptr_t EGLNativePixmapType; 126 typedef khronos_uintptr_t EGLNativeWindowType; 127 128 #elif defined(__APPLE__) 129 130 typedef int EGLNativeDisplayType; 131 typedef void *EGLNativePixmapType; 132 typedef void *EGLNativeWindowType; 133 134 #elif defined(__HAIKU__) 135 136 #include <kernel/image.h> 137 138 typedef void *EGLNativeDisplayType; 139 typedef khronos_uintptr_t EGLNativePixmapType; 140 typedef khronos_uintptr_t EGLNativeWindowType; 141 142 #elif defined(__Fuchsia__) 143 144 typedef void *EGLNativeDisplayType; 145 typedef khronos_uintptr_t EGLNativePixmapType; 146 typedef khronos_uintptr_t EGLNativeWindowType; 147 148 #else 149 #error "Platform not recognized" 150 #endif 151 152 /* EGL 1.2 types, renamed for consistency in EGL 1.3 */ 153 typedef EGLNativeDisplayType NativeDisplayType; 154 typedef EGLNativePixmapType NativePixmapType; 155 typedef EGLNativeWindowType NativeWindowType; 156 157 158 /* Define EGLint. This must be a signed integral type large enough to contain 159 * all legal attribute names and values passed into and out of EGL, whether 160 * their type is boolean, bitmask, enumerant (symbolic constant), integer, 161 * handle, or other. While in general a 32-bit integer will suffice, if 162 * handles are 64 bit types, then EGLint should be defined as a signed 64-bit 163 * integer type. 164 */ 165 typedef khronos_int32_t EGLint; 166 167 168 /* C++ / C typecast macros for special EGL handle values */ 169 #if defined(__cplusplus) 170 #define EGL_CAST(type, value) (static_cast<type>(value)) 171 #else 172 #define EGL_CAST(type, value) ((type) (value)) 173 #endif 174 175 #endif /* __eglplatform_h */