Firefox/4.0b8pre SeaMonkey/2.1b2pre   
   BLhB58Z8MMN8fYMM`mPWcEN5NM2b:L`KlQC6OJ5i?5SR0d6@g=G5a28X2HF   
   .os2.ecomstation:836   
   From: Steve Wendt    
      
   Ruediger Ihle wrote:   
      
   > Nope. The acceleration is gained from the use of a shadow buffer,   
   > that avoids these awfully slow readbacks from VRAM. That is the   
   > main reason, why it is faster than SNAP's VBE mode. If you turn   
   > off the shadow buffer, the speed drops noticable.   
      
   And GENGRADD has SBFILTER - do you know how that compares?   
      
   > DIVE is not accelerated at all by Panorama.   
      
   I guess the claims I saw were erroneous, then.   
      
   > Yep. The problem is, that DIVE bypasses the mentioned shadow buffer.   
   > This causes problems, when the same window area is accessed by both   
   > DIVE and GPI. I.e. you blit an image via DIVE (single shot) and then   
   > drag it around or scroll it using PM functions.   
      
   And yet, I suspect this is handled correctly by GENGRADD and SBFILTER.   
      
   --- Internet Rex 2.31   
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