gallium: pipe->surface_copy can flip the contents vertically when necessary.

Fixes gears being upside down on the box in demos/gearbox.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/mesa/pipe/cell/ppu/cell_surface.c b/src/mesa/pipe/cell/ppu/cell_surface.c
index 6b7b9181282..fca93e47424 100644
--- a/src/mesa/pipe/cell/ppu/cell_surface.c
+++ b/src/mesa/pipe/cell/ppu/cell_surface.c
@@ -60,6 +60,7 @@ cell_surface_data(struct pipe_context *pipe,
 
 static void
 cell_surface_copy(struct pipe_context *pipe,
+                  unsigned do_flip,
                   struct pipe_surface *dst,
                   unsigned dstx, unsigned dsty,
                   struct pipe_surface *src,
@@ -74,8 +75,8 @@ cell_surface_copy(struct pipe_context *pipe,
                   dstx, dsty,
                   width, height,
                   pipe_surface_map(src),
-                  src->pitch,
-                  srcx, srcy);
+                  do_flip ? -src->pitch : src->pitch,
+                  srcx, do_flip ? 1 - srcy - height : srcy);
 
    pipe_surface_unmap(src);
    pipe_surface_unmap(dst);