gallium: Pass PIPE_BUFFER_USAGE_PIXEL to buffer_data.

diff --git a/src/mesa/drivers/dri/intel_winsys/intel_winsys_pipe.c b/src/mesa/drivers/dri/intel_winsys/intel_winsys_pipe.c
index c7b519d95be6eb3627387e5254e56dd6d4d7871a..340fa2fb85f6bb0aa04fa03895839ba5df40fbaa 100644 (file)
--- a/src/mesa/drivers/dri/intel_winsys/intel_winsys_pipe.c
+++ b/src/mesa/drivers/dri/intel_winsys/intel_winsys_pipe.c
@@ -227,7 +227,7 @@ intel_i915_surface_alloc_storage(struct pipe_winsys *winsys,
                              surf->buffer,
                              surf->pitch * surf->cpp * height,
                              NULL,
-                             0);
+                             PIPE_BUFFER_USAGE_PIXEL);
    if(ret) {
       winsys->buffer_reference(winsys, &surf->buffer, NULL);
       return ret;