Commits on Aug 14, 2024

1. Refactor defining MTLPixelFormat and GPU capabilities. …

   - Add MVKMTLDeviceCapabilities to encapsulate Metal GPU family
     capabilities, and use it in MVKPhysicalDevice and MVKPixelFormats
     to identify GPU capabilities.
   - Remove all references to MTLGPUFamily and MTLFeatureSet
     outside MVKMTLDeviceCapabilities.
   - Blend or select AppleGPU and MacGPU format capabilities.
   - Simplify MVKPixelFormats::modifyMTLFormatCapabilities()
     based on MVKMTLDeviceCapabilities.
   - Add guard code to ensure MTLPixelFormatInvalid &
     MTLVertexFormatInvalid capabilities are not overwritten
     by other formats that don't exist on some platforms.
   - Update MTLPixelFormat capabilities based on latest Metal docs.
   - Remove some variations tied to very older OS versions,
     or MTLFeatureSets that have the same GPU family, including
     setting MSL 2.0 as the earliest supported version.
   - Enable VkPhysicalDeviceFeatures::vertexPipelineStoresAndAtomics
     & fragmentStoresAndAtomics on all platforms.
   - During startup, only log the highest GPU family.

   

   billhollings committed Aug 14, 2024
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