#9325 NORM 1.5-ATe: full-screen fills are slow in X

Zarro Boogs per Child bugtracker at laptop.org
Wed Jun 10 15:40:07 EDT 2009


#9325: full-screen fills are slow in X
-----------------------------+----------------------------------------------
 Reporter:  cjb              |                 Owner:  cjb          
     Type:  defect           |                Status:  new          
 Priority:  normal           |             Milestone:  1.5-ATest    
Component:  x window system  |               Version:  not specified
 Keywords:                   |           Next_action:  diagnose     
 Verified:  0                |   Deployment_affected:               
Blockedby:                   |              Blocking:               
-----------------------------+----------------------------------------------
 Full screen color blits are often slow enough to see them happening
 visually, not sure why.  Examples are an activity starting up and
 redrawing the whole screen for its splash screen, and the GDM fade-in
 animation.

 A good first step would be to use oprofile or similar while the operation
 is happening.  If we end up in unaccelerated paths, work out why we left
 the fast path.

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Ticket URL: <http://dev.laptop.org/ticket/9325>
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