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Cycles: Fix building of OpenCL kernels

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Theres no overloading of functions in OpenCL so we can't make use of
`safe_normalize` with `float2`.
This commit is contained in:
Mai Lavelle 2017-03-20 22:51:36 -04:00
parent 13d8661503
commit 8fff6cc2f5
1 changed files with 1 additions and 1 deletions
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2
intern/cycles/kernel/closure/bsdf_microfacet_multi.h
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@ -83,7 +83,7 @@ ccl_device_forceinline float3 mf_sample_vndf(const float3 wi, const float2 alpha
const float3 wi_11 = normalize(make_float3(alpha.x*wi.x, alpha.y*wi.y, wi.z));
const float2 slope_11 = mf_sampleP22_11(wi_11.z, randU);
const float2 cossin_phi = safe_normalize(make_float2(wi_11.x, wi_11.y));
const float3 cossin_phi = safe_normalize(make_float3(wi_11.x, wi_11.y, 0.0f));
const float slope_x = alpha.x*(cossin_phi.x * slope_11.x - cossin_phi.y * slope_11.y);
const float slope_y = alpha.y*(cossin_phi.y * slope_11.x + cossin_phi.x * slope_11.y);