Supply buffer usage hints to winsys.

Winsys driver needs some hints in order to allocate the appropriate kind of
memory for the buffer.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/mesa/drivers/x11/xm_winsys.c b/src/mesa/drivers/x11/xm_winsys.c
index 36805437f01..f863cdbc151 100644
--- a/src/mesa/drivers/x11/xm_winsys.c
+++ b/src/mesa/drivers/x11/xm_winsys.c
@@ -140,7 +140,7 @@ xm_buffer_reference(struct pipe_winsys *pws,
 
 static void
 xm_buffer_data(struct pipe_winsys *pws, struct pipe_buffer_handle *buf,
-               unsigned size, const void *data )
+               unsigned size, const void *data, unsigned usage)
 {
    struct xm_buffer *xm_buf = xm_bo(buf);
    assert(!xm_buf->userBuffer);
@@ -265,7 +265,8 @@ xm_region_alloc(struct pipe_winsys *winsys,
    winsys->buffer_data( winsys,
                         region->buffer, 
                         region->pitch * cpp * height, 
-                        NULL );
+                        NULL,
+                        PIPE_BUFFER_USAGE_PIXEL );
    return region;
 }