Move region_alloc() and region_release() to pipe_winsys.

This allows regions to be allocated w/out a rendering context.

1 files changed, 14 insertions, 0 deletions

diff --git a/src/mesa/pipe/p_winsys.h b/src/mesa/pipe/p_winsys.h
index 7e5d394a902..3b04c44733c 100644
--- a/src/mesa/pipe/p_winsys.h
+++ b/src/mesa/pipe/p_winsys.h
@@ -50,6 +50,13 @@ struct pipe_buffer_handle;
  * driver and the hardware driver about the format of command buffers,
  * etc.
  */
+
+
+struct pipe_region;
+
+/** Opaque type */
+struct pipe_buffer_handle;
+
 struct pipe_winsys
 {
    /**
@@ -63,6 +70,13 @@ struct pipe_winsys
 		   const char *, ... );	
 
 
+   struct pipe_region *(*region_alloc)(struct pipe_winsys *ws,
+                                       unsigned cpp, unsigned width,
+                                       unsigned height, unsigned flags);
+
+   void (*region_release)(struct pipe_winsys *ws, struct pipe_region **r);
+
+
    /**
     * The buffer manager is modeled after the dri_bufmgr interface, which 
     * in turn is modeled after the ARB_vertex_buffer_object extension,