Thanks! But, I still can not understand why Unit Pixmap needs both system buffer and driver buffer? In my opinion, Unit Pixmap only needs system buffer. Welcome your opinions!
Fancy Fang 2010/10/14 Jonathan Morton <[email protected]> > On Thu, 2010-10-14 at 16:18 +0800, fancy fang wrote: > > In exaCreatePixmap_mixed from Xserver 1.9.0, when w == 1 && h == 1, it > > will malloc pixmap data immediately. Please let me name this kind of > > pixmap as Unit Pixmap. First, I don't know what the benifit is. > > Second, when the exaDoMigration_mixed is executed, it will allocate > > driver pixmap for Unit Pixmap. But, I think the driver pixmap for Unit > > Pixmap is not necessary from the point of performance. Can anyone give > > explanations ? > > Single-pixel pixmaps are used to represent solid colours, by setting the > repeat mode. These are useful for XRender. > > -- > ------ > From: Jonathan Morton > [email protected] > > >
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