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c35abcd1b0
This patch enhances the varying packing code so that flat varyings of uint, int, and float types can be packed together. We accomplish this in lower_packed_varyings.cpp by making the type of all flat varyings ivec4, and then using information-preserving type conversions (e.g. ir_unop_bitcast_f2i) to convert all other types to ints. The varying_matches::compute_packing_class() function is updated to reflect the fact that varying packing no longer needs to segregate varyings of different base types. Fixes piglit test varying-packing-mixed-types. Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> v2: Split lower_packed_varyings_visitor::bitwise_assign into pack/unpack variants. |
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| mesa | ||
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