Fixed builtin(primitive_index) for vulkan backend #2716
Merged
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Description
The
primitive_index
builtin in wgsl was not usable on the vulkan backend, because the adapter did not properly advertise the spirvGeometry
capability. This has been fixed by exposingGeometry
when the adapter supportsSHADER_PRIMITIVE_INDEX
.Testing
Two new unit tests select their fragment shader output based on
primitive_index
.