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| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-07-30 19:38:27 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-07-30 19:44:18 +0300 |
| commit | 2e2e7aff7cb28337684534d2207816946407788b (patch) | |
| tree | 14da1dfc59a2638b28cd12aeea70698e89c97235 /intern/cycles/kernel/kernel_light.h | |
| parent | cc397b918ff1b2a51b3b82367506eb7684860cea (diff) | |
| parent | 885cc4cf9a1d5c167e4cbd26c3294d8b1ad400d8 (diff) | |
Merge branch 'master' into blender2.8
Diffstat (limited to 'intern/cycles/kernel/kernel_light.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_light.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/intern/cycles/kernel/kernel_light.h b/intern/cycles/kernel/kernel_light.h index 0165eaa606f..262d7df1364 100644 --- a/intern/cycles/kernel/kernel_light.h +++ b/intern/cycles/kernel/kernel_light.h @@ -75,7 +75,7 @@ ccl_device_inline float rect_light_sample(float3 P, /* Compute internal angles (gamma_i). */ float4 diff = make_float4(x0, y1, x1, y0) - make_float4(x1, y0, x0, y1); float4 nz = make_float4(y0, x1, y1, x0) * diff; - nz = nz / sqrt(sqr(z0 * diff) + sqr(nz)); + nz = nz / sqrt(z0 * z0 * diff * diff + nz * nz); float g0 = safe_acosf(-nz.x * nz.y); float g1 = safe_acosf(-nz.y * nz.z); float g2 = safe_acosf(-nz.z * nz.w); |