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Rhys Perry authored
This has lower_io_to_vector try to turn variables into arrays of 4-sized vectors when possible and fall back to the old approach when that isn't possible. This is so that lower_io_to_vector can guarantee that only one variable is used for each fragment shader output. v2: handle dual-source blending v3: don't try to merge structs and non-32-bit types in get_flat_type() v3: fix per-vertex inputs v3: fix and cleanup location advancement in get_flat_type() and it's calling code v4: prioritize the original mode over the flat mode v4: don't create flat variables to merge only one variable Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
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