diff options
Diffstat (limited to 'include/glvnd/libglxabi.h')
| -rw-r--r-- | include/glvnd/libglxabi.h | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/include/glvnd/libglxabi.h b/include/glvnd/libglxabi.h index facd9c3..63d6186 100644 --- a/include/glvnd/libglxabi.h +++ b/include/glvnd/libglxabi.h @@ -311,25 +311,40 @@ typedef struct __GLXapiImportsRec { /*****************************************************************************/ -/*! - * Vendor libraries must export a function called __glx_Main() with the - * following prototype. This function also performs a handshake based on the ABI - * version number. This function receives a pointer to an exports table whose - * lifetime is only guaranteed to be at a minimum that of the call to - * __glx_Main(), in addition to the version number and a string identifying the - * vendor. If there is an ABI version mismatch or some other error occurs, this - * function returns NULL; otherwise this returns a pointer to a filled-in - * dispatch table. - */ #define __GLX_MAIN_PROTO_NAME "__glx_Main" #define __GLX_MAIN_PROTO(version, exports, vendorName) \ const __GLXapiImports *__glx_Main(uint32_t version, \ const __GLXapiExports *exports, \ - const char *vendorName, \ - int vendorID) + __GLXvendorInfo *vendor) typedef const __GLXapiImports *(*__PFNGLXMAINPROC) - (uint32_t, const __GLXapiExports *, const char *, int); + (uint32_t version, const __GLXapiExports *exports, __GLXvendorInfo *vendor); + +/*! + * Vendor libraries must export a function called __glx_Main() with the + * following prototype. + * + * This function also performs a handshake based on the ABI version number. + * Vendor libraries can optionally use the version number to support older + * versions of the ABI. + * + * \param version The ABI version. The upper 16 bits contains the major version + * number, and the lower 16 bits contains the minor version number. + * + * \param exports The table of functions provided by libGLX. This pointer will + * remain valid for as long as the vendor is loaded. + * + * \param vendor The opaque pointer used to identify this vendor library. This + * may be used in future versions to provide additional per-vendor information. + * + * \return A pointer to a __GLXapiImports struct, which must remain valid for + * as long as the vendor is loaded. If the vendor library does not support the + * requested ABI version, or if some other error occurrs, then it should return + * \c NULL. + */ +const __GLXapiImports *__glx_Main(uint32_t version, + const __GLXapiExports *exports, + __GLXvendorInfo *vendor); /*! * @} |