-- v4: vkd3d-shader/tpf: Write out comparison mode sampler declarations and corresponding sampling instruction. vkd3d-shader/hlsl: Parse SampleCmp() method. vkd3d-shader/hlsl: Parse SamplerComparisonState objects. vkd3d-shader/hlsl: Use a function table for object methods handlers. vkd3d-shader/hlsl: Move object type checks to methods handlers.