Fix issue #1376: SPV_AMD_gpu_shader_half_float is not emitted under
authorRex Xu <rex.xu@amd.com>
Thu, 17 May 2018 05:51:28 +0000 (13:51 +0800)
committerRex Xu <rex.xu@amd.com>
Thu, 17 May 2018 05:51:28 +0000 (13:51 +0800)
commitb4a2a6cf941957f2b3f5655f20026df3d0aa2017
tree1551bcf0c0614faae844d1bfa588f35eddf1edb2
parent90de7a74956235f5e48f7a370351664d282973c0
Fix issue #1376: SPV_AMD_gpu_shader_half_float is not emitted under
vulkan1.1

Interpolation functions, using 16-bit interpolants, should always emit
this extension string regardless of vulkan enviornment version.
SPIRV/GlslangToSpv.cpp