1 /************************************************************************** 2 * 3 * Copyright 2008 VMware, Inc. 4 * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com> 5 * Copyright 2010-2011 LunarG, Inc. 6 * All Rights Reserved. 7 * 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: 15 * 16 * The above copyright notice and this permission notice (including the 17 * next paragraph) shall be included in all copies or substantial portions 18 * of the Software. 19 * 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. 27 * 28 **************************************************************************/ 29 30 31 #ifndef EGLDRIVER_INCLUDED 32 #define EGLDRIVER_INCLUDED 33 34 35 #include "c99_compat.h" 36 37 #include "egltypedefs.h" 38 #include "eglapi.h" 39 #include <stddef.h> 40 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 /** 47 * Define an inline driver typecast function. 48 * 49 * Note that this macro defines a function and should not be ended with a 50 * semicolon when used. 51 */ 52 #define _EGL_DRIVER_TYPECAST(drvtype, egltype, code) \ 53 static inline struct drvtype *drvtype(const egltype *obj) \ 54 { return (struct drvtype *) code; } 55 56 57 /** 58 * Define the driver typecast functions for _EGLDriver, _EGLDisplay, 59 * _EGLContext, _EGLSurface, and _EGLConfig. 60 * 61 * Note that this macro defines several functions and should not be ended with 62 * a semicolon when used. 63 */ 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) 71 72 73 typedef _EGLDriver *(*_EGLMain_t)(const char *args); 74 75 76 /** 77 * Base class for device drivers. 78 */ 79 struct _egl_driver 80 { 81 const char *Name; /**< name of this driver */ 82 83 /** 84 * Release the driver resource. 85 * 86 * It is called before dlclose(). 87 */ 88 void (*Unload)(_EGLDriver *drv); 89 90 _EGLAPI API; /**< EGL API dispatch table */ 91 }; 92 93 94 extern _EGLDriver * 95 _eglBuiltInDriverDRI2(const char *args); 96 97 98 extern _EGLDriver* 99 _eglBuiltInDriverHaiku(const char* args); 100 101 102 extern _EGLDriver * 103 _eglMatchDriver(_EGLDisplay *dpy, EGLBoolean test_only); 104 105 106 extern __eglMustCastToProperFunctionPointerType 107 _eglGetDriverProc(const char *procname); 108 109 110 extern void 111 _eglUnloadDrivers(void); 112 113 114 /* defined in eglfallbacks.c */ 115 extern void 116 _eglInitDriverFallbacks(_EGLDriver *drv); 117 118 119 extern void 120 _eglSearchPathForEach(EGLBoolean (*callback)(const char *, size_t, void *), 121 void *callback_data); 122 123 124 #ifdef __cplusplus 125 } 126 #endif 127 128 129 #endif /* EGLDRIVER_INCLUDED */ 130