webOS Userland
Native system APIs for webOS
eglplatform.h
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(__EMSCRIPTEN__)
68 
69 typedef int EGLNativeDisplayType;
70 typedef int EGLNativePixmapType;
71 typedef int EGLNativeWindowType;
72 
73 #elif defined(__WINSCW__) || defined(__SYMBIAN32__) /* Symbian */
74 
75 typedef int EGLNativeDisplayType;
76 typedef void *EGLNativePixmapType;
77 typedef void *EGLNativeWindowType;
78 
79 #elif defined(WL_EGL_PLATFORM)
80 
81 typedef struct wl_display *EGLNativeDisplayType;
82 typedef struct wl_egl_pixmap *EGLNativePixmapType;
83 typedef struct wl_egl_window *EGLNativeWindowType;
84 
85 #elif defined(__GBM__)
86 
87 typedef struct gbm_device *EGLNativeDisplayType;
88 typedef struct gbm_bo *EGLNativePixmapType;
89 typedef void *EGLNativeWindowType;
90 
91 #elif defined(__ANDROID__) || defined(ANDROID)
92 
93 struct ANativeWindow;
94 struct egl_native_pixmap_t;
95 
96 typedef void* EGLNativeDisplayType;
97 typedef struct egl_native_pixmap_t* EGLNativePixmapType;
98 typedef struct ANativeWindow* EGLNativeWindowType;
99 
100 #elif defined(USE_OZONE)
101 
102 typedef intptr_t EGLNativeDisplayType;
103 typedef intptr_t EGLNativePixmapType;
104 typedef intptr_t EGLNativeWindowType;
105 
106 #elif defined(USE_X11)
107 
108 /* X11 (tentative) */
109 #include <X11/Xlib.h>
110 #include <X11/Xutil.h>
111 
112 typedef Display *EGLNativeDisplayType;
113 typedef Pixmap EGLNativePixmapType;
114 typedef Window EGLNativeWindowType;
115 
116 #elif defined(__unix__)
117 
118 typedef void *EGLNativeDisplayType;
119 typedef khronos_uintptr_t EGLNativePixmapType;
120 typedef khronos_uintptr_t EGLNativeWindowType;
121 
122 #elif defined(__APPLE__)
123 
124 typedef int EGLNativeDisplayType;
125 typedef void *EGLNativePixmapType;
126 typedef void *EGLNativeWindowType;
127 
128 #elif defined(__HAIKU__)
129 
130 #include <kernel/image.h>
131 
132 typedef void *EGLNativeDisplayType;
133 typedef khronos_uintptr_t EGLNativePixmapType;
134 typedef khronos_uintptr_t EGLNativeWindowType;
135 
136 #elif defined(__Fuchsia__)
137 
138 typedef void *EGLNativeDisplayType;
139 typedef khronos_uintptr_t EGLNativePixmapType;
140 typedef khronos_uintptr_t EGLNativeWindowType;
141 
142 #else
143 #error "Platform not recognized"
144 #endif
145 
146 /* EGL 1.2 types, renamed for consistency in EGL 1.3 */
147 typedef EGLNativeDisplayType NativeDisplayType;
148 typedef EGLNativePixmapType NativePixmapType;
149 typedef EGLNativeWindowType NativeWindowType;
150 
151 
152 /* Define EGLint. This must be a signed integral type large enough to contain
153  * all legal attribute names and values passed into and out of EGL, whether
154  * their type is boolean, bitmask, enumerant (symbolic constant), integer,
155  * handle, or other. While in general a 32-bit integer will suffice, if
156  * handles are 64 bit types, then EGLint should be defined as a signed 64-bit
157  * integer type.
158  */
159 typedef khronos_int32_t EGLint;
160 
161 
162 /* C++ / C typecast macros for special EGL handle values */
163 #if defined(__cplusplus)
164 #define EGL_CAST(type, value) (static_cast<type>(value))
165 #else
166 #define EGL_CAST(type, value) ((type) (value))
167 #endif
168 
169 #endif /* __eglplatform_h */