tree 464a571ca473aaac6e5df228c3967c81abdee742
parent 8448cc5b7a2e13deabd38c45405007cdc5aad361
author Ben Clayton <bclayton@google.com> 1554841530 -0400
committer Ben Clayton <bclayton@google.com> 1554950528 +0000

SpirvShader: Implement GLSLstd450InverseSqrt

RcpSqrt_pp is not accurate enough to be used on non-relaxed precision types.

Bug: b/126873455
Tests: dEQP-VK.glsl.builtin.precision.inversesqrt.*
Change-Id: I3e34d28dbd863c9cb14cf6c79afe08a1992b5478
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/28697
Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>