exa: fix CreatePixmap2 to be useful for tiling.

This adds a pitch return so that the driver can align the pitch to any
value it wishes and not just the one it gave to EXA at startup.

1 files changed, 3 insertions, 1 deletions

diff --git a/exa/exa.h b/exa/exa.h
index 46d12b729..1fdc38309 100644
--- a/exa/exa.h
+++ b/exa/exa.h
@@ -708,8 +708,10 @@ typedef struct _ExaDriver {
                               int depth, int bitsPerPixel, int devKind,
                               pointer pPixData);
 
+    /* if the driver is going to tile the buffer it may need to adjust the pitch alignment */
     void *(*CreatePixmap2)(ScreenPtr pScreen, int width, int height,
-			   int depth, int usage_hint, int bitsPerPixel);
+			   int depth, int usage_hint, int bitsPerPixel,
+			   int *new_fb_pitch);
     /** @} */
 } ExaDriverRec, *ExaDriverPtr;