From 4c498c1b0c38a3ba93649fa4435937d15689bae1 Mon Sep 17 00:00:00 2001 From: Patrice Mandin Date: Fri, 11 Apr 2008 21:37:41 +0200 Subject: [PATCH] nv30: Do flip --- src/gallium/drivers/nv30/nv30_surface.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/nv30/nv30_surface.c b/src/gallium/drivers/nv30/nv30_surface.c index b20a3dd4c15..b22211ac86e 100644 --- a/src/gallium/drivers/nv30/nv30_surface.c +++ b/src/gallium/drivers/nv30/nv30_surface.c @@ -42,8 +42,20 @@ nv30_surface_copy(struct pipe_context *pipe, unsigned do_flip, struct nv30_context *nv30 = nv30_context(pipe); struct nouveau_winsys *nvws = nv30->nvws; - nvws->surface_copy(nvws, dest, destx, desty, src, srcx, srcy, - width, height); + if (do_flip) { + /*XXX: This dodgyness will do for now for correctness. But, + * need to investigate whether the 2D engine is able to + * manage a flip (perhaps SIFM?), if not, use the 3D engine + */ + desty += height; + while (height--) { + nvws->surface_copy(nvws, dest, destx, desty--, src, + srcx, srcy++, width, 1); + } + } else { + nvws->surface_copy(nvws, dest, destx, desty, src, srcx, srcy, + width, height); + } } static void -- 2.30.2