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Diffstat (limited to 'intern/cycles/kernel/svm/blackbody.h')
| -rw-r--r-- | intern/cycles/kernel/svm/blackbody.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/blackbody.h b/intern/cycles/kernel/svm/blackbody.h new file mode 100644 index 00000000000..da15550f918 --- /dev/null +++ b/intern/cycles/kernel/svm/blackbody.h @@ -0,0 +1,55 @@ +/* + * Adapted from Open Shading Language with this license: + * + * Copyright (c) 2009-2010 Sony Pictures Imageworks Inc., et al. + * All Rights Reserved. + * + * Modifications Copyright 2013, 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. + */ + +#pragma once + +#include "kernel/svm/math_util.h" + +CCL_NAMESPACE_BEGIN + +/* Blackbody Node */ + +ccl_device_noinline void svm_node_blackbody(KernelGlobals kg, + ccl_private ShaderData *sd, + ccl_private 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 |