diff options
| -rw-r--r-- | include/GL/internal/dri_interface.h | 12 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/common/dri_util.c | 3 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/common/dri_util.h | 6 |
3 files changed, 21 insertions, 0 deletions
diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h index a3de2c6aab..8d24e311f8 100644 --- a/include/GL/internal/dri_interface.h +++ b/include/GL/internal/dri_interface.h @@ -361,6 +361,18 @@ struct __DRIscreenRec { void * (*createNewContext)(__DRInativeDisplay *dpy, const __GLcontextModes *modes, int render_type, void *sharedPrivate, __DRIcontext *pctx); + + /** + * Method to override base texture image with a driver specific 'offset'. + * The depth passed in allows e.g. to ignore the alpha channel of texture + * images where the non-alpha components don't occupy a whole texel. + * + * For GLX_EXT_texture_from_pixmap with AIGLX. + * + * \since Internal API version 20070121. + */ + void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname, + unsigned long long offset, GLint depth, GLuint pitch); }; /** diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c index 07ac4c7cd5..dd52f7e915 100644 --- a/src/mesa/drivers/dri/common/dri_util.c +++ b/src/mesa/drivers/dri/common/dri_util.c @@ -995,6 +995,9 @@ __driUtilCreateNewScreen(__DRInativeDisplay *dpy, int scrn, __DRIscreen *psc, psc->getMSC = driGetMSC; psc->createNewContext = driCreateNewContext; + if (internal_api_version >= 20070121) + psc->setTexOffset = psp->DriverAPI.setTexOffset; + if ( (psp->DriverAPI.InitDriver != NULL) && !(*psp->DriverAPI.InitDriver)(psp) ) { _mesa_free( psp ); diff --git a/src/mesa/drivers/dri/common/dri_util.h b/src/mesa/drivers/dri/common/dri_util.h index 8639535abb..539d28d114 100644 --- a/src/mesa/drivers/dri/common/dri_util.h +++ b/src/mesa/drivers/dri/common/dri_util.h @@ -189,6 +189,12 @@ struct __DriverAPIRec { /*@}*/ void (*CopySubBuffer)(__DRIdrawablePrivate *driDrawPriv, int x, int y, int w, int h); + + /** + * See corresponding field in \c __DRIscreenRec. + */ + void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname, + unsigned long long offset, GLint depth, GLuint pitch); }; |