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-rw-r--r--src/mesa/drivers/x11/xm_surface.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mesa/drivers/x11/xm_surface.c b/src/mesa/drivers/x11/xm_surface.c
index 58081a36a0..9d6db2b5ce 100644
--- a/src/mesa/drivers/x11/xm_surface.c
+++ b/src/mesa/drivers/x11/xm_surface.c
@@ -69,6 +69,20 @@ xmesa_surface(struct softpipe_surface *sps)
}
+static void *
+map_surface_buffer(struct pipe_buffer *pb, GLuint access_mode)
+{
+ /* no-op */
+}
+
+
+static void
+unmap_surface_buffer(struct pipe_buffer *pb)
+{
+ /* no-op */
+}
+
+
/**
* quad reading/writing
* These functions are just wrappers around the existing renderbuffer
@@ -199,6 +213,9 @@ create_surface(XMesaContext xmctx, struct xmesa_renderbuffer *xrb)
xmsurf->sps.write_quad_ub = write_quad_ub;
xmsurf->sps.write_mono_row_ub = write_mono_row_ub;
+ xmsurf->sps.surface.buffer.map = map_surface_buffer;
+ xmsurf->sps.surface.buffer.unmap = unmap_surface_buffer;
+
#if 0
if (xrb->ximage) {
xmsurf->sps.surface.ptr = (GLubyte *) xrb->ximage->data;