forked from bartvdbraak/blender
158 lines
6.8 KiB
C++
158 lines
6.8 KiB
C++
/*
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* Adapted from Open Shading Language with this license:
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*
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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, Blender Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Sony Pictures Imageworks nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __OSL_CLOSURES_H__
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#define __OSL_CLOSURES_H__
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#include "util/util_types.h"
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#include "kernel/kernel_types.h"
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#include <OSL/oslclosure.h>
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#include <OSL/oslexec.h>
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#include <OSL/genclosure.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_ambient_occlusion_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_cubic_params();
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OSL::ClosureParam *closure_bssrdf_gaussian_params();
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OSL::ClosureParam *closure_bssrdf_burley_params();
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OSL::ClosureParam *closure_bssrdf_principled_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_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_ambient_occlusion_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_cubic_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bssrdf_gaussian_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bssrdf_burley_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bssrdf_principled_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_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 *, int id, void *data);
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void closure_bsdf_microfacet_multi_ggx_fresnel_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_microfacet_multi_ggx_glass_fresnel_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_microfacet_multi_ggx_aniso_fresnel_prepare(OSL::RendererServices *, int id, void *data);
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void closure_bsdf_principled_clearcoat_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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{ TypeDesc::TypeVector, (int)reckless_offsetof(st, fld), NULL, sizeof(OSL::Vec3) }
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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, int 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, int 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, int 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"), \
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CLOSURE_FINISH_PARAM(Upper##Closure) \
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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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