Add a quad 'bufloop' stage to handle glDrawBuffer(GL_FRONT_AND_BACK).

This removes the notion of multiple color buffers from all other stages.
Will need a bit more work when shaders with multiple render targets arrive.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/mesa/pipe/softpipe/sp_context.h b/src/mesa/pipe/softpipe/sp_context.h
index 3ae1de71cf..81d2b58cf9 100644
--- a/src/mesa/pipe/softpipe/sp_context.h
+++ b/src/mesa/pipe/softpipe/sp_context.h
@@ -122,6 +122,7 @@ struct softpipe_context {
       struct quad_stage *alpha_test;
       struct quad_stage *stencil_test;
       struct quad_stage *depth_test;
+      struct quad_stage *bufloop;
       struct quad_stage *blend;
       struct quad_stage *colormask;
       struct quad_stage *output;
@@ -131,6 +132,8 @@ struct softpipe_context {
 
    /** The primitive drawing context */
    struct draw_context *draw;
+
+   struct pipe_surface *cbuf;      /**< current color buffer (one of cbufs) */
 };