diff options
Diffstat (limited to 'intern/cycles/kernel/closure/bsdf_util.h')
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_util.h | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_util.h b/intern/cycles/kernel/closure/bsdf_util.h index 10f2643721e..3c48b98fed9 100644 --- a/intern/cycles/kernel/closure/bsdf_util.h +++ b/intern/cycles/kernel/closure/bsdf_util.h @@ -15,14 +15,6 @@ ccl_device float fresnel_dielectric(float eta, const float3 I, ccl_private float3 *R, ccl_private float3 *T, -#ifdef __RAY_DIFFERENTIALS__ - const float3 dIdx, - const float3 dIdy, - ccl_private float3 *dRdx, - ccl_private float3 *dRdy, - ccl_private float3 *dTdx, - ccl_private float3 *dTdy, -#endif ccl_private bool *is_inside) { float cos = dot(N, I), neta; @@ -45,28 +37,16 @@ ccl_device float fresnel_dielectric(float eta, // compute reflection *R = (2 * cos) * Nn - I; -#ifdef __RAY_DIFFERENTIALS__ - *dRdx = (2 * dot(Nn, dIdx)) * Nn - dIdx; - *dRdy = (2 * dot(Nn, dIdy)) * Nn - dIdy; -#endif float arg = 1 - (neta * neta * (1 - (cos * cos))); if (arg < 0) { *T = make_float3(0.0f, 0.0f, 0.0f); -#ifdef __RAY_DIFFERENTIALS__ - *dTdx = make_float3(0.0f, 0.0f, 0.0f); - *dTdy = make_float3(0.0f, 0.0f, 0.0f); -#endif return 1; // total internal reflection } else { float dnp = max(sqrtf(arg), 1e-7f); float nK = (neta * cos) - dnp; *T = -(neta * I) + (nK * Nn); -#ifdef __RAY_DIFFERENTIALS__ - *dTdx = -(neta * dIdx) + ((neta - neta * neta * cos / dnp) * dot(dIdx, Nn)) * Nn; - *dTdy = -(neta * dIdy) + ((neta - neta * neta * cos / dnp) * dot(dIdy, Nn)) * Nn; -#endif // compute Fresnel terms float cosTheta1 = cos; // N.R float cosTheta2 = -dot(Nn, *T); |