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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "BSDF.ih"
OSPRAY_BEGIN_ISPC_NAMESPACE
struct Scale
{
BSDF super;
const varying BSDF *uniform base;
float factor;
};
inline BSDF_EvalRes Scale_eval(const varying BSDF *uniform super,
const vec3f &wo,
const vec3f &wi,
const uniform FeatureFlagsHandler &ffh)
{
const varying Scale *uniform self = (const varying Scale *uniform)super;
BSDF_EvalRes res = BSDF_dispatch_eval_base(self->base, wo, wi, ffh);
res.value = res.value * self->factor;
return res;
}
inline BSDF_SampleRes Scale_sample(const varying BSDF *uniform super,
const vec3f &wo,
const vec2f &s,
float ss,
const uniform FeatureFlagsHandler &ffh)
{
const varying Scale *uniform self = (const varying Scale *uniform)super;
BSDF_SampleRes res = BSDF_dispatch_sample_base(self->base, wo, s, ss, ffh);
res.weight = res.weight * self->factor;
return res;
}
inline void Scale_Constructor(varying Scale *uniform self,
const varying linear3f *uniform frame,
const varying BSDF *uniform base,
float factor)
{
BSDF_Constructor(&self->super,
base->albedo * factor,
base->bsdfType,
BSDF_TYPE_SCALE,
#ifdef OSPRAY_TARGET_SYCL
NULL,
NULL,
#else
Scale_eval,
Scale_sample,
#endif
frame);
self->base = base;
self->factor = factor;
}
inline varying BSDF *uniform Scale_create(uniform ShadingContext *uniform ctx,
const varying BSDF *uniform base,
float factor)
{
varying Scale *uniform self =
(varying Scale * uniform) ShadingContext_alloc(ctx, sizeof(Scale));
Scale_Constructor(self,
LinearSpace3f_create(ctx, make_LinearSpace3f_varying_identity()),
base,
factor);
return &self->super;
}
OSPRAY_END_ISPC_NAMESPACE
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