-- v2: vkd3d-shader/hlsl: Parse step() intrinsic. tests: Test step() intrinsic. vkd3d-shader/hlsl: Parse sqrt() intrinsic. tests: Test sqrt() intrinsic. vkd3d-shader/hlsl: Support cos() intrinsic. vkd3d-shader/hlsl: Support sin() intrinsic. vkd3d-shader/hlsl: Add additional tests for sin() and cos().