-void evergreen_pipe_init_buffer_resource(struct r600_context *rctx,
- struct r600_pipe_resource_state *rstate);
-void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
- struct r600_pipe_resource_state *rstate,
- struct r600_resource *rbuffer,
- unsigned offset, unsigned stride,
- enum radeon_bo_usage usage);