9cfc7967dd
* Replace license text in headers with SPDX identifiers. * Remove specific license info from outdated readme.txt, instead leave details to the source files. * Add list of SPDX license identifiers used, and corresponding license texts. * Update copyright dates while we're at it. Ref D14069, T95597
141 lines
5.6 KiB
C++
141 lines
5.6 KiB
C++
/* SPDX-License-Identifier: BSD-3-Clause
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*
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* Adapted from Open Shading Language
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* Copyright (c) 2009-2010 Sony Pictures Imageworks Inc., et al.
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* All Rights Reserved.
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*
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* Modifications Copyright 2011-2022 Blender Foundation. */
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#ifndef __OSL_CLOSURES_H__
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#define __OSL_CLOSURES_H__
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#include "kernel/types.h"
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#include "util/types.h"
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#include <OSL/genclosure.h>
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#include <OSL/oslclosure.h>
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#include <OSL/oslexec.h>
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CCL_NAMESPACE_BEGIN
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OSL::ClosureParam *closure_emission_params();
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OSL::ClosureParam *closure_background_params();
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OSL::ClosureParam *closure_holdout_params();
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OSL::ClosureParam *closure_bsdf_diffuse_ramp_params();
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OSL::ClosureParam *closure_bsdf_phong_ramp_params();
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OSL::ClosureParam *closure_bsdf_transparent_params();
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OSL::ClosureParam *closure_bssrdf_params();
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OSL::ClosureParam *closure_absorption_params();
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OSL::ClosureParam *closure_henyey_greenstein_params();
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OSL::ClosureParam *closure_bsdf_microfacet_params();
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OSL::ClosureParam *closure_bsdf_microfacet_multi_ggx_params();
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OSL::ClosureParam *closure_bsdf_microfacet_multi_ggx_glass_params();
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OSL::ClosureParam *closure_bsdf_microfacet_multi_ggx_aniso_params();
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OSL::ClosureParam *closure_bsdf_microfacet_ggx_fresnel_params();
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OSL::ClosureParam *closure_bsdf_microfacet_ggx_aniso_fresnel_params();
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OSL::ClosureParam *closure_bsdf_microfacet_multi_ggx_fresnel_params();
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OSL::ClosureParam *closure_bsdf_microfacet_multi_ggx_glass_fresnel_params();
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OSL::ClosureParam *closure_bsdf_microfacet_multi_ggx_aniso_fresnel_params();
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OSL::ClosureParam *closure_bsdf_principled_clearcoat_params();
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void closure_emission_prepare(OSL::RendererServices *, int id, void *data);
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void closure_background_prepare(OSL::RendererServices *, int id, void *data);
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void closure_holdout_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_diffuse_ramp_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_phong_ramp_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_transparent_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bssrdf_prepare(OSL::RendererServices *, int id, void *data);
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void closure_absorption_prepare(OSL::RendererServices *, int id, void *data);
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void closure_henyey_greenstein_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_microfacet_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_microfacet_multi_ggx_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_microfacet_multi_ggx_glass_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_microfacet_multi_ggx_aniso_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_microfacet_ggx_fresnel_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_microfacet_ggx_aniso_fresnel_prepare(OSL::RendererServices *,
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int id,
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void *data);
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void closure_bsdf_microfacet_multi_ggx_fresnel_prepare(OSL::RendererServices *,
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int id,
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void *data);
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void closure_bsdf_microfacet_multi_ggx_glass_fresnel_prepare(OSL::RendererServices *,
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int id,
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void *data);
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void closure_bsdf_microfacet_multi_ggx_aniso_fresnel_prepare(OSL::RendererServices *,
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int id,
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void *data);
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void closure_bsdf_principled_clearcoat_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_principled_hair_prepare(OSL::RendererServices *, int id, void *data);
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#define CCLOSURE_PREPARE(name, classname) \
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void name(RendererServices *, int id, void *data) \
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{ \
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memset(data, 0, sizeof(classname)); \
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new (data) classname(); \
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}
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#define CCLOSURE_PREPARE_STATIC(name, classname) static CCLOSURE_PREPARE(name, classname)
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#define CLOSURE_FLOAT3_PARAM(st, fld) \
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{ \
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TypeDesc::TypeVector, (int)reckless_offsetof(st, fld), NULL, sizeof(OSL::Vec3) \
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}
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#define BSDF_CLOSURE_FLOAT_PARAM(st, fld) CLOSURE_FLOAT_PARAM(st, fld),
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#define BSDF_CLOSURE_FLOAT3_PARAM(st, fld) CLOSURE_FLOAT3_PARAM(st, fld),
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#define TO_VEC3(v) OSL::Vec3(v.x, v.y, v.z)
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#define TO_COLOR3(v) OSL::Color3(v.x, v.y, v.z)
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#define TO_FLOAT3(v) make_float3(v[0], v[1], v[2])
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/* Closure */
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class CClosurePrimitive {
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public:
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virtual void setup(ShaderData *sd, uint32_t path_flag, float3 weight) = 0;
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OSL::ustring label;
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};
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/* BSDF */
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class CBSDFClosure : public CClosurePrimitive {
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public:
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bool skip(const ShaderData *sd, uint32_t path_flag, int scattering);
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};
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#define BSDF_CLOSURE_CLASS_BEGIN(Upper, lower, structname, TYPE) \
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\
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class Upper##Closure : public CBSDFClosure { \
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public: \
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structname params; \
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float3 unused; \
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\
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void setup(ShaderData *sd, uint32_t path_flag, float3 weight) \
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{ \
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if (!skip(sd, path_flag, TYPE)) { \
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structname *bsdf = (structname *)bsdf_alloc_osl(sd, sizeof(structname), weight, ¶ms); \
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sd->flag |= (bsdf) ? bsdf_##lower##_setup(bsdf) : 0; \
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} \
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} \
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}; \
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\
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static ClosureParam *bsdf_##lower##_params() \
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{ \
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static ClosureParam params[] = {
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/* parameters */
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#define BSDF_CLOSURE_CLASS_END(Upper, lower) \
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CLOSURE_STRING_KEYPARAM(Upper##Closure, label, "label"), CLOSURE_FINISH_PARAM(Upper##Closure) \
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} \
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; \
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return params; \
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} \
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\
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CCLOSURE_PREPARE_STATIC(bsdf_##lower##_prepare, Upper##Closure)
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CCL_NAMESPACE_END
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#endif /* __OSL_CLOSURES_H__ */
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