softpipe: rework to use the llvmpipe winsys

Promote the llvmpipe winsys more or less unchanged to
state_trackers/sw_winsys.h.

Some minor breakages:
  - softpipe::texture_blanket is broken, but scheduled for removal anyway.
  - haven't fixed up g3vdl yet.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/gallium/drivers/softpipe/sp_screen.h b/src/gallium/drivers/softpipe/sp_screen.h
index 3d4bfd3e84..4d7d8bada2 100644
--- a/src/gallium/drivers/softpipe/sp_screen.h
+++ b/src/gallium/drivers/softpipe/sp_screen.h
@@ -35,10 +35,13 @@
 #include "pipe/p_defines.h"
 
 
+struct sw_winsys;
 
 struct softpipe_screen {
    struct pipe_screen base;
 
+   struct sw_winsys *winsys;
+
    /* Increments whenever textures are modified.  Contexts can track
     * this.
     */
@@ -55,4 +58,13 @@ softpipe_screen( struct pipe_screen *pipe )
 }
 
 
+
+/**
+ * Create a softpipe screen that uses the
+ * given winsys for allocating buffers.
+ */
+struct pipe_screen *softpipe_create_screen( struct sw_winsys * );
+
+
+
 #endif /* SP_SCREEN_H */