gallium: remove pipe_buffer from surfaces

this change disassociates, at least from the driver perspective,
the surface from buffer. surfaces are technically now views on the
textures so make it so by hiding the buffer in the internals of
textures.

1 files changed, 4 insertions, 2 deletions

diff --git a/src/gallium/drivers/nv10/nv10_screen.c b/src/gallium/drivers/nv10/nv10_screen.c
index 12516fd71e7..2f945a193cc 100644
--- a/src/gallium/drivers/nv10/nv10_screen.c
+++ b/src/gallium/drivers/nv10/nv10_screen.c
@@ -122,8 +122,9 @@ nv10_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 {
 	struct pipe_winsys *ws = screen->winsys;
 	void *map;
+        struct nv10_miptree *nv10mt = (struct nv10_miptree *)surface->texture;
 
-	map = ws->buffer_map(ws, surface->buffer, flags);
+	map = ws->buffer_map(ws, nv10mt->buffer, flags);
 	if (!map)
 		return NULL;
 
@@ -134,8 +135,9 @@ static void
 nv10_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
 {
 	struct pipe_winsys *ws = screen->winsys;
+        struct nv10_miptree *nv10mt = (struct nv10_miptree *)surface->texture;
 
-	ws->buffer_unmap(ws, surface->buffer);
+	ws->buffer_unmap(ws, nv10mt->buffer);
 }
 
 static void