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Bugzilla #4226: Change the pixmap migration strategy for the CopyNtoN case.

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Now, if either source or dest were in framebuffer, try to get both
    there, but prefer system memory for both otherwise. Required making
    exaasync.c go through the try-acceleration path. This significantly
    improves window resizing under composite, because previously the
    pattern of creating a new pixmap and copying default contents from the
    screen caused a fallback every time due to the new destination pixmap
    being in system memory.
This commit is contained in:
Eric Anholt 2005-08-24 23:48:11 +00:00
commit 0711502f18
12 changed files with 105 additions and 36 deletions
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5
exa/exa_unaccel.c
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@ -280,13 +280,14 @@ ExaCheckComposite (CARD8 op,
}
/*
* Only need to stall for copyarea/copyplane
* Only need to stall for CopyArea/CopyPlane, but we want to have the chance to
* do migration for CopyArea.
*/
const GCOps exaAsyncPixmapGCOps = {
fbFillSpans,
fbSetSpans,
fbPutImage,
ExaCheckCopyArea,
exaCopyArea,
ExaCheckCopyPlane,
fbPolyPoint,
fbPolyLine,