diff options
Diffstat (limited to 'include/GL/internal/dri_interface.h')
| -rw-r--r-- | include/GL/internal/dri_interface.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h index aa2b1cf805..ee73233771 100644 --- a/include/GL/internal/dri_interface.h +++ b/include/GL/internal/dri_interface.h @@ -56,10 +56,25 @@ typedef struct __DRIdriverRec __DRIdriver; typedef struct __DRIframebufferRec __DRIframebuffer; typedef struct __DRIversionRec __DRIversion; typedef struct __DRIinterfaceMethodsRec __DRIinterfaceMethods; + +typedef struct __DRIextensionRec __DRIextension; /*@}*/ /** + * Extension struct. Drivers 'inherit' from this struct by embedding + * it as the first element in the extension struct. The + * __DRIscreen::getExtensions entry point will return a list of these + * structs and the loader can use the extensions it knows about by + * casting it to a more specific extension and optionally advertising + * the GLX extension. See below for examples. + */ +struct __DRIextensionRec { + const char *name; +}; + + +/** * \name Functions provided by the driver loader. */ /*@{*/ @@ -275,6 +290,11 @@ struct __DRIscreenRec { void (*destroyScreen)(__DRIscreen *screen); /** + * Method to get screen extensions. + */ + const __DRIextension **(*getExtensions)(__DRIscreen *screen); + + /** * Method to create the private DRI drawable data and initialize the * drawable dependent methods. */ |