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| author | Lukas Tönne <lukas.toenne@gmail.com> | 2017-10-16 12:16:13 +0300 |
|---|---|---|
| committer | Lukas Tönne <lukas.toenne@gmail.com> | 2017-10-16 12:22:35 +0300 |
| commit | a78b3ee53aa53020b086a6df25c0e28491223dcc (patch) | |
| tree | bd883e95580f5777f7eae7cac4e47f182ac9fc00 /intern/cycles/kernel/kernel_projection.h | |
| parent | 4842cc017c3bb7df2070c2f96605190ff88e6a2e (diff) | |
| parent | 49f4ac17bf704614de59a4db7a65c205c085d694 (diff) | |
Merge remote-tracking branch 'origin/master' into openvdbopenvdb
Diffstat (limited to 'intern/cycles/kernel/kernel_projection.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_projection.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_projection.h b/intern/cycles/kernel/kernel_projection.h index 9a2b0884a7e..cbb2442d1dc 100644 --- a/intern/cycles/kernel/kernel_projection.h +++ b/intern/cycles/kernel/kernel_projection.h @@ -57,6 +57,9 @@ ccl_device float3 spherical_to_direction(float theta, float phi) ccl_device float2 direction_to_equirectangular_range(float3 dir, float4 range) { + if(is_zero(dir)) + return make_float2(0.0f, 0.0f); + float u = (atan2f(dir.y, dir.x) - range.y) / range.x; float v = (acosf(dir.z / len(dir)) - range.w) / range.z; |