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BlendState: Use masking as a fastpath for the logic op NO_OP.
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@ -108,12 +108,21 @@ void BlendingState::Generate(const BPMemory& bp)
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// The logicop bit has the lowest priority
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else if (bp.blendmode.logicopenable)
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{
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logicopenable = true;
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logicmode = bp.blendmode.logicmode;
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if (dstalpha)
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if (bp.blendmode.logicmode == BlendMode::NOOP)
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{
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// TODO: Not supported by backends.
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// Fast path for Kirby's Return to Dreamland, they use it with dstAlpha.
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colorupdate = false;
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alphaupdate = alphaupdate && dstalpha;
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}
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else
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{
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logicopenable = true;
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logicmode = bp.blendmode.logicmode;
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if (dstalpha)
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{
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// TODO: Not supported by backends.
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}
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}
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}
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}
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