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b625bcc601
The original Broadwater and Crestline platforms computed antialiased line distances using "manhattan" distance, aka a + b = c. Eaglelake and Cantiga added "true" distance, which apparently does something like max(a, b) + min(a, b) / 4. Not exactly "true", but at least more accurate. The G45 documentation indicates that the old manhattan distance setting is "only for debug purposes" and should never be used. The Ironlake documentation no longer mentions AALINEDISTANCE_MANHATTAN, though it does still contain the narrative about the feature. At any rate, we should use the more accurate mode. Reviewed-by: Plamena Manolova <plamena.manolova@intel.com> Reviewed-by: Francisco Jerez <currojerez@riseup.net> |
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