From 0630bf9a6254de8ec69ef144d11d9ed4a432453c Mon Sep 17 00:00:00 2001
From: Robert Stepinski <rob.stepinski@gmail.com>
Date: Wed, 6 Mar 2019 21:45:37 -0500
Subject: Fix rsqrt intrinsic for GLSL (#881)

* Add support for glsl inversesqrt intrinsic

* fixup for test failure
---
 tests/bugs/vk-structured-buffer-load.hlsl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'tests/bugs/vk-structured-buffer-load.hlsl')

diff --git a/tests/bugs/vk-structured-buffer-load.hlsl b/tests/bugs/vk-structured-buffer-load.hlsl
index e8b1eae86..daedc5b66 100644
--- a/tests/bugs/vk-structured-buffer-load.hlsl
+++ b/tests/bugs/vk-structured-buffer-load.hlsl
@@ -1,4 +1,5 @@
 //TEST:CROSS_COMPILE: -profile lib_6_3 -entry HitMain -stage closesthit -target spirv-assembly
+
 struct ParameterBlockTest
 {
     SamplerState sam;
@@ -20,5 +21,5 @@ void HitMain(inout RayHitInfoPacked RayData, BuiltInTriangleIntersectionAttribut
     uint offs = 0;
     float offsfloat = gParamBlock.sbuf.Load(offs);
     
-    RayData.PackedHitInfoA.y = offsfloat;
+    RayData.PackedHitInfoA.y = rsqrt(offsfloat);
 }
-- 
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