From 9856203f5a589c9ab8e9db240db77f8ec191a3de Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Mon, 28 Sep 2015 19:44:26 +0200 Subject: st/nine: Fix ff calculation of midVec In case of non local viewer the value has to be subtracted. Fixes failing WINE tests in test_specular_lighting() (visual.c) Signed-off-by: Patrick Rudolph Reviewed-by: Axel Davy --- src/gallium/state_trackers/nine/nine_ff.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/gallium/state_trackers/nine/nine_ff.c b/src/gallium/state_trackers/nine/nine_ff.c index f3e6c1d0739..0c8d246d0d3 100644 --- a/src/gallium/state_trackers/nine/nine_ff.c +++ b/src/gallium/state_trackers/nine/nine_ff.c @@ -800,9 +800,9 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) /* midVec = normalize(hitDir + eyeDir) */ if (key->localviewer) { ureg_normalize3(ureg, rMid, ureg_src(rVtx), tmp); - ureg_ADD(ureg, rMid, ureg_src(rHit), ureg_negate(ureg_src(rMid))); + ureg_SUB(ureg, rMid, ureg_src(rHit), ureg_src(rMid)); } else { - ureg_ADD(ureg, rMid, ureg_src(rHit), ureg_imm3f(ureg, 0.0f, 0.0f, 1.0f)); + ureg_SUB(ureg, rMid, ureg_src(rHit), ureg_imm3f(ureg, 0.0f, 0.0f, 1.0f)); } ureg_normalize3(ureg, rMid, ureg_src(rMid), tmp); ureg_DP3(ureg, ureg_saturate(tmp_y), ureg_src(rNrm), ureg_src(rMid)); -- cgit v1.2.3