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superpig

Backbuffer/Frontbuffer formats

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Apparently, when you''re running in Windowed mode, your backbuffer and frontbuffer can have different formats (from DirectX 9 onwards). Is there a performance hit incurred by this? I''m thinking that it''s having to convert the backbuffer''s data into the frontbuffer''s format when copying, which implies there is...

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See I thought it should too but for alot of applications my frame rates in windowed to fullscreen aren''t much different (maybe a 3-4 fps difference - windowed the slower of the 2). I guess the quick conversion they use is very insignificant nowadays to what actually is being computed during gameplay.

Bump mapping, mutiple lighting, thousands of tri''s rotating, etc. ... makes a format conversion the least of your FPS worries.

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