Comment 6 for bug 1350674
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| Alexandros Frantzis (afrantzis) wrote | #6 |
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73416ba
(Get the code!)
I am tempted to mark this bug as invalid/opinion. GPUs are really optimized for x*y operations (either vectors or matrices), so I think special casing on alpha != 1.0 (however we choose to do it) for such a simple shader is pointless (unless we get hard data that proves otherwise). Performing some synthetic benchmarks on the phone, which showed no benefit when using either an if() clause or a separate shader, supports this.