gallium: basic and initial implementation of the stream output interface

aka transform feedback

1 files changed, 12 insertions, 0 deletions

diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
index 3e082bef2ff..0267ed8fa4a 100644
--- a/src/gallium/include/pipe/p_context.h
+++ b/src/gallium/include/pipe/p_context.h
@@ -186,6 +186,11 @@ struct pipe_context {
    void   (*bind_vertex_elements_state)(struct pipe_context *, void *);
    void   (*delete_vertex_elements_state)(struct pipe_context *, void *);
 
+   void * (*create_stream_output_state)(struct pipe_context *,
+                                        const struct pipe_stream_output_state *);
+   void   (*bind_stream_output_state)(struct pipe_context *, void *);
+   void   (*delete_stream_output_state)(struct pipe_context*, void*);
+
    /*@}*/
 
    /**
@@ -232,6 +237,13 @@ struct pipe_context {
                                unsigned num_buffers,
                                const struct pipe_vertex_buffer * );
 
+   void (*set_stream_output_buffers)(struct pipe_context *,
+                                     struct pipe_resource **buffers,
+                                     int *offsets, /*array of offsets
+                                                     from the start of each
+                                                     of the buffers */
+                                     int num_buffers);
+
    /*@}*/