Differential D12888 Diff 43495 intern/cycles/kernel/closure/bsdf.h

Changeset View

Standalone View

intern/cycles/kernel/closure/bsdf.h

Show First 20 Lines • Show All 105 Lines • ▼ Show 20 Lines
{		{
cos_in = min(cos_in, 1.0f);		cos_in = min(cos_in, 1.0f);

const float angle = fast_acosf(cos_in);		const float angle = fast_acosf(cos_in);
const float val = max(cosf(angle * frequency_multiplier), 0.0f) / cos_in;		const float val = max(cosf(angle * frequency_multiplier), 0.0f) / cos_in;
return val;		return val;
}		}

ccl_device_inline int bsdf_sample(ccl_global const KernelGlobals *kg,		ccl_device_inline int bsdf_sample(KernelGlobals kg,
ccl_private ShaderData *sd,		ccl_private ShaderData *sd,
ccl_private const ShaderClosure *sc,		ccl_private const ShaderClosure *sc,
float randu,		float randu,
float randv,		float randv,
ccl_private float3 *eval,		ccl_private float3 *eval,
ccl_private float3 *omega_in,		ccl_private float3 *omega_in,
ccl_private differential3 *domega_in,		ccl_private differential3 *domega_in,
ccl_private float *pdf)		ccl_private float *pdf)
▲ Show 20 Lines • Show All 339 Lines • ▼ Show 20 Lines
}		}

#ifndef __KERNEL_CUDA__		#ifndef __KERNEL_CUDA__
ccl_device		ccl_device
#else		#else
ccl_device_inline		ccl_device_inline
#endif		#endif
float3		float3
bsdf_eval(ccl_global const KernelGlobals *kg,		bsdf_eval(KernelGlobals kg,
ccl_private ShaderData *sd,		ccl_private ShaderData *sd,
ccl_private const ShaderClosure *sc,		ccl_private const ShaderClosure *sc,
const float3 omega_in,		const float3 omega_in,
const bool is_transmission,		const bool is_transmission,
ccl_private float *pdf)		ccl_private float *pdf)
{		{
float3 eval = zero_float3();		float3 eval = zero_float3();

▲ Show 20 Lines • Show All 168 Lines • ▼ Show 20 Lines	if (CLOSURE_IS_BSDF_DIFFUSE(sc->type)) {
eval *= bump_shadowing_term(-sd->N, sc->N, omega_in);		eval *= bump_shadowing_term(-sd->N, sc->N, omega_in);
}		}
}		}
}		}

return eval;		return eval;
}		}

ccl_device void bsdf_blur(ccl_global const KernelGlobals *kg,		ccl_device void bsdf_blur(KernelGlobals kg, ccl_private ShaderClosure *sc, float roughness)
ccl_private ShaderClosure *sc,
float roughness)
{		{
/* TODO: do we want to blur volume closures? */		/* TODO: do we want to blur volume closures? */
#ifdef __SVM__		#ifdef __SVM__
switch (sc->type) {		switch (sc->type) {
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID:		case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID:
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID:		case CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID:
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:		case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID:		case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID:
Show All 25 Lines