Dave Airlie <[email protected]> writes: > From: Dave Airlie <[email protected]> > > This is a hooks for pixmap sharing and tracking. > > The pixmap sharing ones get an integer handle for the pixmap > and use a handle to be the backing for a pixmap. > > The tracker interface is to be used when a GPU needs to > track pixmaps to be updated for another GPU. > > v2: pass slave to sharing so it can use it to work out driver. > > Signed-off-by: Dave Airlie <[email protected]> > --- > include/scrnintstr.h | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/include/scrnintstr.h b/include/scrnintstr.h > index 6a22167..5b9f245 100644 > --- a/include/scrnintstr.h > +++ b/include/scrnintstr.h > @@ -179,6 +179,8 @@ typedef void (*ClipNotifyProcPtr) (WindowPtr /*pWindow */ > , > #define CREATE_PIXMAP_USAGE_BACKING_PIXMAP 2 > /* pixmap will contain a glyph */ > #define CREATE_PIXMAP_USAGE_GLYPH_PICTURE 3 > +/* pixmap will be shared */ > +#define CREATE_PIXMAP_USAGE_SHARED 4 > > typedef PixmapPtr (*CreatePixmapProcPtr) (ScreenPtr /*pScreen */ , > int /*width */ , > @@ -339,6 +341,16 @@ typedef void (*DeviceCursorCleanupProcPtr) (DeviceIntPtr > /* pDev */ , > typedef void (*ConstrainCursorHarderProcPtr) (DeviceIntPtr, ScreenPtr, int, > int *, int *); > > + > +typedef Bool (*SharePixmapBackingProcPtr)(PixmapPtr, ScreenPtr, int *);
Not sure 'int' is the best type for this; I know it's sufficient for current usage, but one wonders if 64-bit identifiers, or something even more complicated will happen in the future. (void *) instead? -- [email protected]
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