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Revert "devdraw: disable XCopyArea optimization"

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causes major performance regression when used over network

This reverts commit 5154e54d8b.
This commit is contained in:
dexen deVries 2021-05-10 01:18:11 +02:00
parent c6897389f3
commit 8ee6884581
1 changed files with 2 additions and 5 deletions
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7
src/cmd/devdraw/x11-draw.c
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@ -74,9 +74,7 @@ xdraw(Memdrawparam *par)
* If no source alpha and an opaque mask, we can just copy
* the source onto the destination. If the channels are the
* same and the source is not replicated, XCopyArea works.
* This is disabled because Ubuntu Precise seems to ship with
* a buggy X server that sometimes drops the XCopyArea
* requests on the floor.
*/
m = Simplemask|Fullmask;
if((state&(m|Replsrc))==m && src->chan==dst->chan && src->X){
xdst = dst->X;
@ -87,10 +85,9 @@ xdraw(Memdrawparam *par)
XCopyArea(_x.display, xsrc->pixmap, xdst->pixmap, gc,
sp.x, sp.y, Dx(r), Dy(r), dp.x, dp.y);
/* xdirtyxdata(dst, r); * /
/* xdirtyxdata(dst, r); */
return 1;
}
*/
/*
* If no source alpha, a 1-bit mask, and a simple source,