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Cycles: Implement index output for hair node

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This is like the only way to add variety to hair which is created
using simple children. Used here for the hair.

Maybe not ideal, but the time will show.
This commit is contained in:
Sergey Sharybin
2018-02-13 14:20:47 +01:00
parent d640ce40aa
commit 37f65e9dc4
8 changed files with 39 additions and 2 deletions
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9
intern/cycles/render/nodes.cpp
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@@ -3572,6 +3572,7 @@ NODE_DEFINE(HairInfoNode)
#if 0 /*output for minimum hair width transparency - deactivated */
SOCKET_OUT_FLOAT(fade, "Fade");
#endif
SOCKET_OUT_FLOAT(index, "Index");
return type;
}
@@ -3588,6 +3589,9 @@ void HairInfoNode::attributes(Shader *shader, AttributeRequestSet *attributes)
if(!intercept_out->links.empty())
attributes->add(ATTR_STD_CURVE_INTERCEPT);
if(!output("Index")->links.empty())
attributes->add(ATTR_STD_CURVE_INDEX);
}
ShaderNode::attributes(shader, attributes);
@@ -3623,6 +3627,11 @@ void HairInfoNode::compile(SVMCompiler& compiler)
compiler.add_node(NODE_HAIR_INFO, NODE_INFO_CURVE_FADE, compiler.stack_assign(out));
}*/
out = output("Index");
if(!out->links.empty()) {
int attr = compiler.attribute(ATTR_STD_CURVE_INDEX);
compiler.add_node(NODE_ATTR, attr, compiler.stack_assign(out), NODE_ATTR_FLOAT);
}
}
void HairInfoNode::compile(OSLCompiler& compiler)