nouveau: very quick port to tex-surface changes.

probably the last match-gallium-upstream merge for a bit, some cleanup+nv50
work coming RSN...

1 files changed, 25 insertions, 0 deletions

diff --git a/src/gallium/drivers/nv40/nv40_screen.c b/src/gallium/drivers/nv40/nv40_screen.c
index 5164053393..ed0215b486 100644
--- a/src/gallium/drivers/nv40/nv40_screen.c
+++ b/src/gallium/drivers/nv40/nv40_screen.c
@@ -133,6 +133,28 @@ nv40_screen_surface_format_supported(struct pipe_screen *pscreen,
 	return FALSE;
 }
 
+static void *
+nv40_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
+		 unsigned flags )
+{
+	struct pipe_winsys *ws = screen->winsys;
+	void *map;
+
+	map = ws->buffer_map(ws, surface->buffer, flags);
+	if (!map)
+		return NULL;
+
+	return map + surface->offset;
+}
+
+static void
+nv40_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
+{
+	struct pipe_winsys *ws = screen->winsys;
+
+	ws->buffer_unmap(ws, surface->buffer);
+}
+
 static void
 nv40_screen_destroy(struct pipe_screen *pscreen)
 {
@@ -282,6 +304,9 @@ nv40_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
 
 	screen->pipe.is_format_supported = nv40_screen_surface_format_supported;
 
+	screen->pipe.surface_map = nv40_surface_map;
+	screen->pipe.surface_unmap = nv40_surface_unmap;
+
 	nv40_screen_init_miptree_functions(&screen->pipe);
 
 	return &screen->pipe;