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EXA: Support partial migration of pixmap contents between Sys and FB.

Browse source 
The initiator of migration can pass in a region that defines the relevant area
of each source pixmap or the irrelevant area of the destination pixmap. By
default, the pending damage region is assumed relevant for the destination
pixmap, and everything for source pixmaps.

Thanks to Jarno Manninen for reassuring me that my own ideas for this were
feasible and for providing additional ideas.
This commit is contained in:
Michel Dänzer 2007-08-29 19:55:22 +02:00
commit 962eddd7a2
5 changed files with 194 additions and 102 deletions
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4
exa/exa_priv.h
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@ -185,6 +185,7 @@ typedef struct _ExaMigrationRec {
Bool as_dst;
Bool as_src;
PixmapPtr pPix;
RegionPtr pReg;
} ExaMigrationRec, *ExaMigrationPtr;
/**
@ -337,6 +338,9 @@ ExaOffscreenFini (ScreenPtr pScreen);
void
ExaDoPrepareAccess(DrawablePtr pDrawable, int index);
void
exaPrepareAccessReg(DrawablePtr pDrawable, int index, RegionPtr pReg);
void
exaPrepareAccess(DrawablePtr pDrawable, int index);