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#ActualLorenzoGatti

Posted 19 June 2013 - 08:45 AM

Regarding the apparent disagreement in previous answers, filtering and mipmapping reduce aliasing in texture lookups (approximate sampling from wrong texture coordinates) which is separate from aliasing in rendering (approximate drawing to wrong frame buffer positions) but conceptually similar. They are addressed in different ways for technological reasons; for example, filtering texture lookups has been a cheap commoditized basic feature since the period of fixed function pipelines, while the same kind of filtering applied to rendering is a luxury because it would need expensive additional fragments as input.


#1LorenzoGatti

Posted 23 May 2013 - 03:17 AM

Regarding the apparent disagreement in previous answers, filtering and mipmapping reduce aliasing in texture lookups (approximate sampling from wrong texture coordinates) which is separate from aliasing in rendering (approximate drawing to wrong frame buffer positions) but conceptually similar. They are addressed in different ways for technological reasons; for example, filtering texture lookups has been a cheap commoditized basic feature since the period of fixed function pipelines, while the same kind of filtering applied to rendering is a loxury because it would need expensive additional fragments as input.


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