From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Fri, 10 Apr 2020 23:41:15 +0000 (-0400)
Subject: pan/bi: Lower fsqrt
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0e4432bfbaef1bca65239848c373cd683f083ee0;p=mesa.git

pan/bi: Lower fsqrt

For G72+ anyway. G71 will want something a bit more fine grained. I hope
this has enough precision for GL (the blob apparently does some exponent
fixup).

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4530>
---

diff --git a/src/panfrost/bifrost/bifrost_compile.h b/src/panfrost/bifrost/bifrost_compile.h
index ddfde64d472..73e6847891c 100644
--- a/src/panfrost/bifrost/bifrost_compile.h
+++ b/src/panfrost/bifrost/bifrost_compile.h
@@ -42,6 +42,7 @@ static const nir_shader_compiler_options bifrost_nir_options = {
         .lower_fpow = true,
         .lower_find_lsb = true,
         .lower_fdph = true,
+        .lower_fsqrt = true,
 
         .lower_wpos_pntc = true,
         .lower_fsign = true,