Testing RCP(0) = 0 instead of clamp

If that works we may need the same for rsq and log ? Signed-off-by: Axel Davy <davyaxel0@gmail.com>
iXit · Mar 9, 2019 · 8c351cc · 8c351cc
1 parent ce8bb0c
commit 8c351cc
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/gallium/state_trackers/nine/nine_shader.c b/src/gallium/state_trackers/nine/nine_shader.c
@@ -2425,8 +2425,9 @@ DECL_SPECIAL(RCP)
     struct ureg_dst tmp = tx->mul_zero_wins ? dst : tx_scratch(tx);
     ureg_RCP(ureg, tmp, src);
     if (!tx->mul_zero_wins) {
-        ureg_MIN(ureg, tmp, ureg_imm1f(ureg, FLT_MAX), ureg_src(tmp));
-        ureg_MAX(ureg, dst, ureg_imm1f(ureg, -FLT_MAX), ureg_src(tmp));
+        ureg_CMP(ureg, dst, ureg_negate(ureg_abs(src)), ureg_src(tmp), ureg_imm1f(ureg, 0.f));
+        //ureg_MIN(ureg, tmp, ureg_imm1f(ureg, FLT_MAX), ureg_src(tmp));
+        //ureg_MAX(ureg, dst, ureg_imm1f(ureg, -FLT_MAX), ureg_src(tmp));
     }
     return D3D_OK;
 }