diff options
| author | Patrick Rudolph <[email protected]> | 2015-09-22 14:30:35 +0200 |
|---|---|---|
| committer | Axel Davy <[email protected]> | 2016-02-04 22:12:17 +0100 |
| commit | cc830dc214d8508baa4090c1ee4e63941ff28eb7 (patch) | |
| tree | 0b002dd499c855634ff0af90ed3cdcf92a834905 | |
| parent | ed7e1046b6ef800f2c2a5ccd54605f4fdb59258b (diff) | |
st/nine: Always normalize hitDir
Signed-off-by: Patrick Rudolph <[email protected]>
Reviewed-by: Axel Davy <[email protected]>
| -rw-r--r-- | src/gallium/state_trackers/nine/nine_ff.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/gallium/state_trackers/nine/nine_ff.c b/src/gallium/state_trackers/nine/nine_ff.c index 97919121976..00f38dfef4e 100644 --- a/src/gallium/state_trackers/nine/nine_ff.c +++ b/src/gallium/state_trackers/nine/nine_ff.c @@ -747,12 +747,10 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) { /* hitDir = light.position - eyeVtx * d = length(hitDir) - * hitDir /= d */ ureg_SUB(ureg, rHit, cLPos, ureg_src(rVtx)); ureg_DP3(ureg, tmp_x, ureg_src(rHit), ureg_src(rHit)); ureg_RSQ(ureg, tmp_y, _X(tmp)); - ureg_MUL(ureg, rHit, ureg_src(rHit), _Y(tmp)); /* normalize */ ureg_MUL(ureg, tmp_x, _X(tmp), _Y(tmp)); /* length */ /* att = 1.0 / (light.att0 + (light.att1 + light.att2 * d) * d) */ @@ -766,6 +764,9 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) ureg_fixup_label(ureg, label[l-1], ureg_get_instruction_number(ureg)); ureg_ENDIF(ureg); + /* normalize hitDir */ + ureg_normalize3(ureg, rHit, ureg_src(rHit), tmp); + /* if (SPOT light) */ ureg_SEQ(ureg, tmp_x, cLKind, ureg_imm1f(ureg, D3DLIGHT_SPOT)); ureg_IF(ureg, _X(tmp), &label[l++]); |