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authorTobias Jakobi <tjakobi@math.uni-bielefeld.de>2015-02-24 15:20:40 +0100
committerEmil Velikov <emil.l.velikov@gmail.com>2015-03-10 19:04:35 +0000
commit1d7e78d7877f054f7b96d6a35d50255e76aed44f (patch)
tree1f78133802b99ea91f1ac0daf3055b70c6cc6cfc /tests/radeon
parent0ca03a4087a550646de7f26b6b53a932e8546474 (diff)
exynos: replace G2D_DOUBLE_TO_FIXED macro with function
This also avoids the floating point conversion steps and just uses pure integer arithmetic. Since the G2D hardware scaling approach is a bit unintuitive, document it in the function as well. v2: Explicitly mention the normalization constant. v3: Use common commenting style as pointed out by Emil Velikov <emil.l.velikov@gmail.com>. Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Tested-by: Joonyoung Shim <jy0922.shim@samsung.com>
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