X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fnouveau%2Fnouveau_screen.h;h=f4a7a2bc234cce2715eb29f14a2034330a317ef0;hb=2689dd304c6d644b04c941e6da63e466be5de0d6;hp=9968b07896606c6134b8639faf4337da2f10df78;hpb=6530fabb93d8e1664f16059fd31f540352a866a5;p=mesa.git

diff --git a/src/gallium/drivers/nouveau/nouveau_screen.h b/src/gallium/drivers/nouveau/nouveau_screen.h
index 9968b078966..f4a7a2bc234 100644
--- a/src/gallium/drivers/nouveau/nouveau_screen.h
+++ b/src/gallium/drivers/nouveau/nouveau_screen.h
@@ -5,6 +5,21 @@ struct nouveau_screen {
 	struct pipe_screen base;
 	struct nouveau_device *device;
 	struct nouveau_channel *channel;
+
+        /**
+         * Create a new texture object, using the given template info, but on top of
+         * existing memory.
+         * 
+         * It is assumed that the buffer data is layed out according to the expected
+         * by the hardware. NULL will be returned if any inconsistency is found.  
+         */
+        struct pipe_texture * (*texture_blanket)(struct pipe_screen *,
+                                                 const struct pipe_texture *templat,
+                                                 const unsigned *stride,
+                                                 struct pipe_buffer *buffer);
+
+	int (*pre_pipebuffer_map_callback) (struct pipe_screen *pscreen,
+		struct pipe_buffer *pb, unsigned usage);
 };
 
 static inline struct nouveau_screen *
@@ -22,4 +37,15 @@ nouveau_bo(struct pipe_buffer *pb)
 int nouveau_screen_init(struct nouveau_screen *, struct nouveau_device *);
 void nouveau_screen_fini(struct nouveau_screen *);
 
+struct nouveau_miptree {
+	struct pipe_texture base;
+	struct nouveau_bo *bo;
+};
+
+static inline struct nouveau_miptree *
+nouveau_miptree(struct pipe_texture *pt)
+{
+	return (struct nouveau_miptree *)pt;
+}
+
 #endif