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authorKenneth Graunke <[email protected]>2015-11-15 04:22:10 -0800
committerKenneth Graunke <[email protected]>2017-01-06 15:55:39 -0800
commit5c580e64cc206ab160e1767c42e4d6c81f67da4d (patch)
tree2ce6ecebfcb03fad1927522f19d39c00ec127ce4 /src/mesa/main
parent8b5749f65ac434961308ccb579fb8a816e4f29d5 (diff)
glsl: Mark whole variable used for ClipDistance and TessLevel*.
There's no point in trying to mark partial array access for gl_ClipDistance, gl_TessLevelOuter, or gl_TessLevelInner - they're special built-in variables that control fixed function hardware, and will likely be used in an all-or-nothing fashion. Since these arrays only occupy 1-2 varying slots, we have to avoid our normal processing which increments the slot value by the array index. (I wrote this code before i965 switched from ir_set_program_inouts to nir_shader_gather_info. It's not used by anyone today, and I'm not sure how valuable it is...the alternative to GLSL IR lowering is NIR compact arrays, at which point you should use nir_gather_info.) Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]> Reviewed-by: Timothy Arceri <[email protected]>
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