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/*
* Adapted from Open Shading Language with this license:
*
* Copyright (c) 2009-2010 Sony Pictures Imageworks Inc., et al.
* All Rights Reserved.
*
* Modifications Copyright 2011, Blender Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Sony Pictures Imageworks nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <OpenImageIO/fmath.h>
#include <OSL/genclosure.h>
#include "kernel_compat_cpu.h"
#include "osl_closures.h"
#include "kernel_types.h"
#include "kernel_montecarlo.h"
#include "closure/alloc.h"
#include "closure/bsdf_diffuse_ramp.h"
CCL_NAMESPACE_BEGIN
using namespace OSL;
class DiffuseRampClosure : public CBSDFClosure {
public:
DiffuseRampBsdf params;
Color3 colors[8];
void setup(ShaderData *sd, int /* path_flag */, float3 weight)
{
DiffuseRampBsdf *bsdf = (DiffuseRampBsdf*)bsdf_alloc_osl(sd, sizeof(DiffuseRampBsdf), weight, ¶ms);
if(bsdf) {
bsdf->colors = (float3*)closure_alloc_extra(sd, sizeof(float3)*8);
if(bsdf->colors) {
for(int i = 0; i < 8; i++)
bsdf->colors[i] = TO_FLOAT3(colors[i]);
sd->flag |= bsdf_diffuse_ramp_setup(bsdf);
}
}
}
};
ClosureParam *closure_bsdf_diffuse_ramp_params()
{
static ClosureParam params[] = {
CLOSURE_FLOAT3_PARAM(DiffuseRampClosure, params.N),
CLOSURE_COLOR_ARRAY_PARAM(DiffuseRampClosure, colors, 8),
CLOSURE_STRING_KEYPARAM(DiffuseRampClosure, label, "label"),
CLOSURE_FINISH_PARAM(DiffuseRampClosure)
};
return params;
}
CCLOSURE_PREPARE(closure_bsdf_diffuse_ramp_prepare, DiffuseRampClosure)
CCL_NAMESPACE_END
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