Merge branch 'gallium-texture-transfer'

Conflicts:
	src/gallium/drivers/softpipe/sp_tile_cache.c

1 files changed, 19 insertions, 5 deletions

diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 17d1548253..341d1caea0 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -55,6 +55,7 @@ struct pipe_winsys;
 struct pipe_buffer;
 
 
+
 /**
  * Gallium screen/adapter context.  Basically everything
  * hardware-specific that doesn't actually require a rendering
@@ -128,12 +129,25 @@ struct pipe_screen {
                                 struct pipe_surface ** );
    
 
-   void *(*surface_map)( struct pipe_screen *,
-                         struct pipe_surface *surface,
-                         unsigned flags );
+   /** Get a transfer object for transferring data to/from a texture */
+   struct pipe_transfer *(*get_tex_transfer)(struct pipe_screen *,
+                                             struct pipe_texture *texture,
+                                             unsigned face, unsigned level,
+                                             unsigned zslice,
+                                             enum pipe_transfer_usage usage,
+                                             unsigned x, unsigned y,
+                                             unsigned w, unsigned h);
+
+   /* Transfer objects allocated by the above must be released here:
+    */
+   void (*tex_transfer_release)( struct pipe_screen *,
+                                 struct pipe_transfer ** );
+   
+   void *(*transfer_map)( struct pipe_screen *,
+                          struct pipe_transfer *transfer );
 
-   void (*surface_unmap)( struct pipe_screen *,
-                          struct pipe_surface *surface );
+   void (*transfer_unmap)( struct pipe_screen *,
+                           struct pipe_transfer *transfer );
 
 
    /**