diff options
Diffstat (limited to 'intern/cycles/util/util_transform.cpp')
| -rw-r--r-- | intern/cycles/util/util_transform.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/intern/cycles/util/util_transform.cpp b/intern/cycles/util/util_transform.cpp index 5c2f28af318..8c5eac2cbb9 100644 --- a/intern/cycles/util/util_transform.cpp +++ b/intern/cycles/util/util_transform.cpp @@ -129,13 +129,15 @@ static bool transform_matrix4_gj_inverse(float R[][4], float M[][4]) Transform transform_inverse(const Transform& tfm) { - Transform R = transform_identity(); - Transform M = tfm; + union { Transform T; float M[4][4]; } R, M; + + R.T = transform_identity(); + M.T = tfm; - if(!transform_matrix4_gj_inverse((float(*)[4])&R, (float(*)[4])&M)) + if(!transform_matrix4_gj_inverse(R.M, M.M)) return transform_identity(); - return R; + return R.T; } CCL_NAMESPACE_END |