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Cycles / Blackbody node:

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* First (brute force) implementation for SVM. This works and delivers the same result as OSL, but it's slow. 
* Code inside svm_blackbody.h inspired by a patch by Philipp Oeser (#35698), thanks. 

Ideas:
* Use a lookup table to perform the calculations on render/ level.
* Implement it as a RNA property only, and do the calculation like Sun/Sky precompute.
This commit is contained in:
Thomas Dinges
2013-06-15 23:47:09 +00:00
parent d523d27e62
commit 9e16c5a9e4
6 changed files with 120 additions and 5 deletions
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4
intern/cycles/render/nodes.cpp
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@@ -2988,14 +2988,12 @@ BlackbodyNode::BlackbodyNode()
void BlackbodyNode::compile(SVMCompiler& compiler)
{
/*
ShaderInput *temperature in = input("Temperature");
ShaderInput *temperature_in = input("Temperature");
ShaderOutput *color_out = output("Color");
compiler.stack_assign(temperature_in);
compiler.stack_assign(color_out);
compiler.add_node(NODE_BLACKBODY, temperature_in->stack_offset, color_out->stack_offset);
*/
}
void BlackbodyNode::compile(OSLCompiler& compiler)