DRI2: Add interface for drivers to query DRI2 extension version
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
parent
a1c98f7fa9
commit
28ddfc88d8
|
@ -380,3 +380,12 @@ static XF86ModuleVersionInfo DRI2VersRec =
|
|||
|
||||
_X_EXPORT XF86ModuleData dri2ModuleData = { &DRI2VersRec, DRI2Setup, NULL };
|
||||
|
||||
void
|
||||
DRI2Version(int *major, int *minor)
|
||||
{
|
||||
if (major != NULL)
|
||||
*major = DRI2VersRec.majorversion;
|
||||
|
||||
if (minor != NULL)
|
||||
*minor = DRI2VersRec.minorversion;
|
||||
}
|
||||
|
|
|
@ -100,4 +100,22 @@ extern _X_EXPORT int DRI2CopyRegion(DrawablePtr pDraw,
|
|||
unsigned int dest,
|
||||
unsigned int src);
|
||||
|
||||
/**
|
||||
* Determine the major and minor version of the DRI2 extension.
|
||||
*
|
||||
* Provides a mechanism to other modules (e.g., 2D drivers) to determine the
|
||||
* version of the DRI2 extension. While it is possible to peek directly at
|
||||
* the \c XF86ModuleData from a layered module, such a module will fail to
|
||||
* load (due to an unresolved symbol) if the DRI2 extension is not loaded.
|
||||
*
|
||||
* \param major Location to store the major verion of the DRI2 extension
|
||||
* \param minor Location to store the minor verion of the DRI2 extension
|
||||
*
|
||||
* \note
|
||||
* This interface was added some time after the initial release of the DRI2
|
||||
* module. Layered modules that wish to use this interface must first test
|
||||
* its existance by calling \c xf86LoaderCheckSymbol.
|
||||
*/
|
||||
extern _X_EXPORT void DRI2Version(int *major, int *minor);
|
||||
|
||||
#endif
|
||||
|
|
Loading…
Reference in New Issue