1 /**************************************************************************
3 * Copyright 2008 VMware, Inc.
4 * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
5 * Copyright 2010-2011 LunarG, Inc.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sub license, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
28 **************************************************************************/
31 #ifndef EGLDRIVER_INCLUDED
32 #define EGLDRIVER_INCLUDED
35 #include "c99_compat.h"
37 #include "egltypedefs.h"
47 * Define an inline driver typecast function.
49 * Note that this macro defines a function and should not be ended with a
50 * semicolon when used.
52 #define _EGL_DRIVER_TYPECAST(drvtype, egltype, code) \
53 static inline struct drvtype *drvtype(const egltype *obj) \
54 { return (struct drvtype *) code; }
58 * Define the driver typecast functions for _EGLDriver, _EGLDisplay,
59 * _EGLContext, _EGLSurface, and _EGLConfig.
61 * Note that this macro defines several functions and should not be ended with
62 * a semicolon when used.
64 #define _EGL_DRIVER_STANDARD_TYPECASTS(drvname) \
65 _EGL_DRIVER_TYPECAST(drvname ## _driver, _EGLDriver, obj) \
66 /* note that this is not a direct cast */ \
67 _EGL_DRIVER_TYPECAST(drvname ## _display, _EGLDisplay, obj->DriverData) \
68 _EGL_DRIVER_TYPECAST(drvname ## _context, _EGLContext, obj) \
69 _EGL_DRIVER_TYPECAST(drvname ## _surface, _EGLSurface, obj) \
70 _EGL_DRIVER_TYPECAST(drvname ## _config, _EGLConfig, obj)
73 typedef _EGLDriver
*(*_EGLMain_t
)(const char *args
);
77 * Base class for device drivers.
81 const char *Name
; /**< name of this driver */
84 * Release the driver resource.
86 * It is called before dlclose().
88 void (*Unload
)(_EGLDriver
*drv
);
90 _EGLAPI API
; /**< EGL API dispatch table */
95 _eglBuiltInDriver(void);
99 _eglMatchDriver(_EGLDisplay
*dpy
, EGLBoolean test_only
);
102 extern __eglMustCastToProperFunctionPointerType
103 _eglGetDriverProc(const char *procname
);
107 _eglUnloadDrivers(void);
110 /* defined in eglfallbacks.c */
112 _eglInitDriverFallbacks(_EGLDriver
*drv
);
116 _eglSearchPathForEach(EGLBoolean (*callback
)(const char *, size_t, void *),
117 void *callback_data
);
125 #endif /* EGLDRIVER_INCLUDED */