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https://freedesktop.org/bugzilla/show_bug.cgi?id=1731
Summary: Savage: Stray scissoring
Product: Mesa
Version: CVS
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Drivers/DRI/Savage
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
savageDDRenderStart() contains:
/* set scissor to the first clip box*/
savageDDScissor(ctx,pbox->x1,pbox->y1,pbox->x2,pbox->y2);
If GL_SCISSOR_TEST is off, this has no effect. If GL_SCISSOR_TEST is on,
it overrides the applications scissor and also causes incorrect
clipping because savageDDScissor takes coordinates that are drawable
relative (like glScissor), not screen relative like the clip rects.
There seems to be quite a lot of rotted code around clipping in the
savage driver; I'm still trying to figure out how things are supposed
to work and what the correct fix is.
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