Bill Hollings e0a50c8f2d Add support for the VK_KHR_shader_float_controls extension.
- Enable shaderSignedZeroInfNanPreserveFloat16 and
  shaderSignedZeroInfNanPreserveFloat32.
  Other float control properties are not settable in Metal.
- MVKShaderModule log whether compiling with fast math enabled.
- Update MoltenVK_Runtime_UserGuide.md and Whats_New.md documents.
- runcts script enable MVK_CONFIG_FAST_MATH_ENABLED by default.
2022-08-18 13:35:35 -04:00
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