eglplatform.h

来自「6410BSP3」· C头文件 代码 · 共 58 行

/* -*- mode: c; tab-width: 8; -*- */
/* vi: set sw=4 ts=8: */
/* Platform-specific types and definitions for egl.h */

#ifndef __eglplatform_h_
#define __eglplatform_h_

/* Windows calling convention boilerplate */
#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif

/* Macros used in EGL function prototype declarations.
 *
 * EGLAPI return-type EGLAPIENTRY eglFunction(arguments);
 * typedef return-type (EXPAPIENTRYP PFNEGLFUNCTIONPROC) (arguments);
 *
 * On Windows, EGLAPIENTRY can be defined like APIENTRY.
 * On most other platforms, it should be empty.
 */

#ifndef EGLAPIENTRY
#define EGLAPIENTRY
#endif
#ifndef EGLAPIENTRYP
#define EGLAPIENTRYP EGLAPIENTRY *
#endif
#ifndef EGLAPI
#define EGLAPI extern
#endif

/* The types NativeDisplayType, NativeWindowType, and NativePixmapType
 * are aliases of window-system-dependent types, such as X Display * or
 * Windows Device Context. They must be defined in platform-specific
 * code below. The EGL-prefixed versions of Native*Type are the same
 * types, renamed in EGL 1.3 so all types in the API start with "EGL".
 */

/* Unix (tentative)
    #include <X headers>
    typedef Display *NativeDisplayType;
      - or maybe, if encoding "hostname:display.head"
    typedef const char *NativeWindowType;
    etc.
 */

typedef HDC     NativeDisplayType;
typedef HWND    NativeWindowType;
typedef HBITMAP NativePixmapType;

/* EGL 1.2 types, renamed for consistency in EGL 1.3 */
typedef NativeDisplayType EGLNativeDisplayType;
typedef NativePixmapType EGLNativePixmapType;
typedef NativeWindowType EGLNativeWindowType;

#endif /* __eglplatform_h */