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authorRoland Scheidegger <[email protected]>2015-09-01 16:29:17 -0600
committerBrian Paul <[email protected]>2015-09-01 16:29:17 -0600
commitfec4f5de67b22a7048266fb7e57f49fe6fc3744a (patch)
treeaef1e238d4e237fdf322cfe97221564e412aa70a /src/gallium/auxiliary/util/u_helpers.h
parent17756876378137003443f9eebb51002564b2ac2a (diff)
gallium/util: return FALSE for intersection if there's empty rectangles
It isn't really obvious if intersection test should take into account empty rectangles or if the caller should do it. But it looks like most callers actually verified one of the rects but not the other, but since correctly returning an empty rect that other rect could actually be empty leading to more bugs. Hence just verify both rects for emptyness in the intersection test itself which makes the code easier in the caller (though it will be slower if the caller knows the rectangles are non-empty). Reviewed-by: Zack Rusin <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/util/u_helpers.h')
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