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Add a ReplacementShaderMapper module, as in the OpenGL backend. It reads mapper.getViewSpecificProperties().WebGPU for all mappers: VertexShaderCode and FragmentShaderCode replace the templates, ShaderReplacements run before (replaceFirst) or after the mapper replacements, and VertexOutputs declares vertex outputs with an optional interpolation. The user properties are part of the pipeline hash. VolumePassFSQ joins the properties of all its volume mappers. Add the coincident slope term to CellArrayMapper and ImageMapper with the //VTK::CoincidentOffset::Impl marker. The shader writes frag_depth only when the factor is not zero. Add the WebGPU and OpenGL property types to the Mapper declarations.
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Add a ReplacementShaderMapper module, as in the OpenGL backend. It reads
mapper.getViewSpecificProperties().WebGPU for all mappers:
VertexShaderCode and FragmentShaderCode replace the templates,
ShaderReplacements run before (replaceFirst) or after the mapper
replacements, and VertexOutputs declares vertex outputs with an
optional interpolation. The user properties are part of the pipeline
hash. VolumePassFSQ joins the properties of all its volume mappers.
Add the coincident slope term to CellArrayMapper and ImageMapper with
the //VTK::CoincidentOffset::Impl marker. The shader writes frag_depth
only when the factor is not zero.
Add the WebGPU and OpenGL property types to the Mapper declarations.
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