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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "OBJ.h"
#ifndef OSPRAY_TARGET_SYCL
// ispc
#include "render/materials/OBJ_ispc.h"
#endif
namespace ospray {
namespace pathtracer {
OBJMaterial::OBJMaterial(api::ISPCDevice &device)
: AddStructShared(device.getDRTDevice(), device, FFO_MATERIAL_OBJ)
{
#ifndef OSPRAY_TARGET_SYCL
getSh()->super.getBSDF =
reinterpret_cast<ispc::Material_GetBSDFFunc>(ispc::OBJ_getBSDF_addr());
getSh()->super.getTransparency =
reinterpret_cast<ispc::Material_GetTransparencyFunc>(
ispc::OBJ_getTransparency_addr());
#endif
}
std::string OBJMaterial::toString() const
{
return "ospray::pathtracer::obj";
}
void OBJMaterial::commit()
{
d = getMaterialParam1f("d", 1.f);
Kd = getMaterialParam3f("kd", vec3f(0.8f));
Ks = getMaterialParam3f("ks", vec3f(0.f));
Ns = getMaterialParam1f("ns", 10.f);
vec3f Tf = getParam<vec3f>("tf", vec3f(0.f));
ref_bumpTex = getParamObject<Texture>("map_bump");
ispc::TextureParam bumpTex = getTextureParam("map_bump", ref_bumpTex);
linear2f bumpRot =
((linear2f *)(&bumpTex.xform2f.l))->orthogonal().transposed();
const float color_total = reduce_max(Kd.factor + Ks.factor + Tf);
if (color_total > 1.f) {
postStatusMsg(OSP_LOG_DEBUG) << "#osp:PT OBJ material produces energy "
<< "(kd + ks + tf = " << color_total
<< ", should be <= 1). Scaling down to 1.";
Kd.factor /= color_total;
Ks.factor /= color_total;
Tf /= color_total;
}
getSh()->dMap = d.tex;
getSh()->d = d.factor;
getSh()->KdMap = Kd.tex;
getSh()->Kd = Kd.factor;
getSh()->KsMap = Ks.tex;
getSh()->Ks = Ks.factor;
getSh()->NsMap = Ns.tex;
getSh()->Ns = Ns.factor;
getSh()->Tf = Tf;
getSh()->bumpMap = bumpTex;
getSh()->bumpRot = bumpRot;
}
} // namespace pathtracer
} // namespace ospray
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