Rex Xu b4a2a6cf94 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.
2018-05-17 13:51:28 +08:00
..
2018-03-02 17:42:37 +08:00
2018-03-02 17:42:37 +08:00