kc3-lang/angle

2015-01-14T14:45:16

Implement matrix inverse built-in Inverse is emulated in HLSL by calculating the cofactor matrix and dividing that with the determinant. This results in the transpose of the inverse as is required. Better performing options might exist especially for 4x4 matrices, but this is enough for a working implementation. BUG=angle:859 Change-Id: I5185797cc1ed86865f5f4342707abdc2977a186b Reviewed-on: https://chromium-review.googlesource.com/240331 Tested-by: Olli Etuaho <oetuaho@nvidia.com> Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>