svm_blackbody.h

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/*
 * Adapted from Open Shading Language with this license:
 *
 * Copyright (c) 2009-2010 Sony Pictures Imageworks Inc., et al.
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 * Modifications Copyright 2013, Blender Foundation.
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CCL_NAMESPACE_BEGIN
 
/* Blackbody Node */
 
ccl_device void svm_node_blackbody(
    KernelGlobals *kg, ShaderData *sd, float *stack, uint temperature_offset, uint col_offset)
{
  /* Input */
  float temperature = stack_load_float(stack, temperature_offset);
 
  float3 color_rgb = svm_math_blackbody_color(temperature);
 
  stack_store_float3(stack, col_offset, color_rgb);
}
 
CCL_NAMESPACE_END