1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/pipe/p_context.h b/src/mesa/pipe/p_context.h
index 08b9b18393..3062eda329 100644
--- a/src/mesa/pipe/p_context.h
+++ b/src/mesa/pipe/p_context.h
@@ -130,6 +130,10 @@ struct pipe_context {
    struct pipe_surface *(*surface_alloc)(struct pipe_context *pipe,
                                          GLuint format);
 
+   struct pipe_surface *(*get_tex_surface)(struct pipe_context *pipe,
+                                           struct pipe_mipmap_tree *texture,
+                                           GLuint face, GLuint level,
+                                           GLuint zslice);
 
    /*
     * Memory region functions
@@ -230,5 +234,16 @@ pipe_region_reference(struct pipe_region **dst, struct pipe_region *src)
 }
 
 
+static INLINE void
+pipe_surface_reference(struct pipe_surface **dst, struct pipe_surface *src)
+{
+   assert(*dst == NULL);
+   if (src) {
+      src->refcount++;
+      *dst = src;
+   }
+}
+
+
 
 #endif /* PIPE_CONTEXT_H */