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Decide how to handle array interfaces #211

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spencer-lunarg opened this issue Jul 20, 2023 · 0 comments

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spencer-lunarg commented Jul 20, 2023

certain interface variables have "array interfaces", things like

all Geometry input variables
variables marked with PerVertexKHR
etc

These will look like

layout(location = 0) pervertexEXT in float a[3];
layout(location = 1) pervertexEXT in float b[3];

and then

    1:
      spirv id  : 20
      location  : 0
      type      : float
      array     : [3]
      semantic  : 
      name      : a
      qualifier : 
    2:
      spirv id  : 44
      location  : 1
      type      : float
      array     : [3]
      semantic  : 
      name      : b
      qualifier :

these "array interface" are what makes this legal, otherwise it would be invalid as a would consume Location [0, 1, 2]

It would be nice to express this, not sure if the best thing is marking these with a qualifier or other mechanism

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