gallium: a lot more complete implementation of stream output

interface wise we have everything needed by d3d10 and gl transform feedback.
the draw module misses implementation of some corner cases (e.g. when stream
output wants different number of components per output than normal rendering
paths)

1 files changed, 16 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/draw/draw_pt.h b/src/gallium/auxiliary/draw/draw_pt.h
index 3e3ea320cc0..b9032468da3 100644
--- a/src/gallium/auxiliary/draw/draw_pt.h
+++ b/src/gallium/auxiliary/draw/draw_pt.h
@@ -177,6 +177,22 @@ void draw_pt_emit_destroy( struct pt_emit *emit );
 
 struct pt_emit *draw_pt_emit_create( struct draw_context *draw );
 
+/*******************************************************************************
+ * HW stream output emit:
+ */
+struct pt_so_emit;
+
+void draw_pt_so_emit_prepare( struct pt_so_emit *emit,
+                              unsigned prim );
+
+void draw_pt_so_emit( struct pt_so_emit *emit,
+                      const float (*vertex_data)[4],
+                      unsigned vertex_count,
+                      unsigned stride );
+
+void draw_pt_so_emit_destroy( struct pt_so_emit *emit );
+
+struct pt_so_emit *draw_pt_so_emit_create( struct draw_context *draw );
 
 /*******************************************************************************
  * API vertex fetch: