Yeah that could make sense.
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R600/700 Mesa Driver Picks Up Blit Support
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Originally posted by bridgman View PostMaybe 2D with a compositor running (where the compositor uses 3D) ?
all the newer chips don't have "native" 2D support or acceleration support anymore if I remember right - so bit blitting which is mainly targeted at the 3D engine / helping it to operate autonomously should improve both 2D and 3D (both are "run" or accelerated by the 3D engine)
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I guess the point others were trying to make is that the X driver has had 2D blit code (using the 3D *hardware*) for a long time - what's new is making more use of blit code in the 3D *driver* (which would not affect 2D operations done by the X driver).
There was a blit routine in drm for a while, but it was only used for GLSwapBuffers AFAIK; now presumably other functions are being accelerated as well.Test signature
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Originally posted by entropy View PostWell, in my case (RHD4850, Phenom II, Kwin) 2D now "feels" slightly degraded performance-wise.
Does that mean the relatively fast CPU does a better job (for now) than the current blitter implementation?
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