diff options
Diffstat (limited to 'intern/cycles/kernel/closure/bsdf_microfacet_multi.h')
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_microfacet_multi.h | 59 |
1 files changed, 3 insertions, 56 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_microfacet_multi.h b/intern/cycles/kernel/closure/bsdf_microfacet_multi.h index e6ab116519b..9402ce11f7a 100644 --- a/intern/cycles/kernel/closure/bsdf_microfacet_multi.h +++ b/intern/cycles/kernel/closure/bsdf_microfacet_multi.h @@ -371,7 +371,7 @@ ccl_device void bsdf_microfacet_multi_ggx_blur(ccl_private ShaderClosure *sc, fl /* === Closure implementations === */ -/* Multiscattering GGX Glossy closure */ +/* Multi-scattering GGX Glossy closure */ ccl_device int bsdf_microfacet_multi_ggx_common_setup(ccl_private MicrofacetBsdf *bsdf) { @@ -478,14 +478,10 @@ ccl_device int bsdf_microfacet_multi_ggx_sample(KernelGlobals kg, ccl_private const ShaderClosure *sc, float3 Ng, float3 I, - float3 dIdx, - float3 dIdy, float randu, float randv, ccl_private Spectrum *eval, ccl_private float3 *omega_in, - ccl_private float3 *domega_in_dx, - ccl_private float3 *domega_in_dy, ccl_private float *pdf, ccl_private uint *lcg_state) { @@ -510,10 +506,6 @@ ccl_device int bsdf_microfacet_multi_ggx_sample(KernelGlobals kg, } *pdf = 1e6f; *eval = make_spectrum(1e6f); -#ifdef __RAY_DIFFERENTIALS__ - *domega_in_dx = (2 * dot(Z, dIdx)) * Z - dIdx; - *domega_in_dy = (2 * dot(Z, dIdy)) * Z - dIdy; -#endif return LABEL_REFLECT | LABEL_SINGULAR; } @@ -551,14 +543,10 @@ ccl_device int bsdf_microfacet_multi_ggx_sample(KernelGlobals kg, *pdf = mf_ggx_pdf(localI, localO, bsdf->alpha_x); *eval *= *pdf; -#ifdef __RAY_DIFFERENTIALS__ - *domega_in_dx = (2 * dot(Z, dIdx)) * Z - dIdx; - *domega_in_dy = (2 * dot(Z, dIdy)) * Z - dIdy; -#endif return LABEL_REFLECT | LABEL_GLOSSY; } -/* Multiscattering GGX Glass closure */ +/* Multi-scattering GGX Glass closure */ ccl_device int bsdf_microfacet_multi_ggx_glass_setup(ccl_private MicrofacetBsdf *bsdf) { @@ -662,14 +650,10 @@ ccl_device int bsdf_microfacet_multi_ggx_glass_sample(KernelGlobals kg, ccl_private const ShaderClosure *sc, float3 Ng, float3 I, - float3 dIdx, - float3 dIdy, float randu, float randv, ccl_private Spectrum *eval, ccl_private float3 *omega_in, - ccl_private float3 *domega_in_dx, - ccl_private float3 *domega_in_dy, ccl_private float *pdf, ccl_private uint *lcg_state) { @@ -680,41 +664,17 @@ ccl_device int bsdf_microfacet_multi_ggx_glass_sample(KernelGlobals kg, if (bsdf->alpha_x * bsdf->alpha_y < 1e-7f) { float3 R, T; -#ifdef __RAY_DIFFERENTIALS__ - float3 dRdx, dRdy, dTdx, dTdy; -#endif bool inside; - float fresnel = fresnel_dielectric(bsdf->ior, - Z, - I, - &R, - &T, -#ifdef __RAY_DIFFERENTIALS__ - dIdx, - dIdy, - &dRdx, - &dRdy, - &dTdx, - &dTdy, -#endif - &inside); + float fresnel = fresnel_dielectric(bsdf->ior, Z, I, &R, &T, &inside); *pdf = 1e6f; *eval = make_spectrum(1e6f); if (randu < fresnel) { *omega_in = R; -#ifdef __RAY_DIFFERENTIALS__ - *domega_in_dx = dRdx; - *domega_in_dy = dRdy; -#endif return LABEL_REFLECT | LABEL_SINGULAR; } else { *omega_in = T; -#ifdef __RAY_DIFFERENTIALS__ - *domega_in_dx = dTdx; - *domega_in_dy = dTdy; -#endif return LABEL_TRANSMIT | LABEL_SINGULAR; } } @@ -740,22 +700,9 @@ ccl_device int bsdf_microfacet_multi_ggx_glass_sample(KernelGlobals kg, *omega_in = X * localO.x + Y * localO.y + Z * localO.z; if (localO.z * localI.z > 0.0f) { -#ifdef __RAY_DIFFERENTIALS__ - *domega_in_dx = (2 * dot(Z, dIdx)) * Z - dIdx; - *domega_in_dy = (2 * dot(Z, dIdy)) * Z - dIdy; -#endif return LABEL_REFLECT | LABEL_GLOSSY; } else { -#ifdef __RAY_DIFFERENTIALS__ - float cosI = dot(Z, I); - float dnp = max(sqrtf(1.0f - (bsdf->ior * bsdf->ior * (1.0f - cosI * cosI))), 1e-7f); - *domega_in_dx = -(bsdf->ior * dIdx) + - ((bsdf->ior - bsdf->ior * bsdf->ior * cosI / dnp) * dot(dIdx, Z)) * Z; - *domega_in_dy = -(bsdf->ior * dIdy) + - ((bsdf->ior - bsdf->ior * bsdf->ior * cosI / dnp) * dot(dIdy, Z)) * Z; -#endif - return LABEL_TRANSMIT | LABEL_GLOSSY; } } |