add quad_stage::begin() funcs

1 files changed, 8 insertions, 0 deletions

diff --git a/src/mesa/pipe/softpipe/sp_quad_output.c b/src/mesa/pipe/softpipe/sp_quad_output.c
index 12ab1eca1c..49161993e6 100644
--- a/src/mesa/pipe/softpipe/sp_quad_output.c
+++ b/src/mesa/pipe/softpipe/sp_quad_output.c
@@ -84,11 +84,19 @@ output_quad(struct quad_stage *qs, struct quad_header *quad)
 }
 
 
+static void output_begin(struct quad_stage *qs)
+{
+   if (qs->next->begin)
+      qs->next->begin(qs->next);
+}
+
+
 struct quad_stage *sp_quad_output_stage( struct softpipe_context *softpipe )
 {
    struct quad_stage *stage = CALLOC_STRUCT(quad_stage);
 
    stage->softpipe = softpipe;
+   stage->begin = output_begin;
    stage->run = output_quad;
 
    return stage;