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Cycles: Optimize vector math node without links to single values.

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This commit is contained in:
Thomas Dinges
2014-12-24 22:45:08 +01:00
parent 76b4fad6db
commit 43421e9c53
3 changed files with 60 additions and 40 deletions
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24
intern/cycles/render/nodes.cpp
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@@ -3754,11 +3754,31 @@ void VectorMathNode::compile(SVMCompiler& compiler)
ShaderOutput *value_out = output("Value");
ShaderOutput *vector_out = output("Vector");
compiler.stack_assign(vector1_in);
compiler.stack_assign(vector2_in);
compiler.stack_assign(value_out);
compiler.stack_assign(vector_out);
/* Optimize vector math node without links to a single value node. */
if(vector1_in->link == NULL && vector2_in->link == NULL) {
float optimized_value;
float3 optimized_vector;
svm_vector_math(&optimized_value,
&optimized_vector,
(NodeVectorMath)type_enum[type],
vector1_in->value,
vector2_in->value);
compiler.add_node(NODE_VALUE_F,
__float_as_int(optimized_value),
value_out->stack_offset);
compiler.add_node(NODE_VALUE_V, vector_out->stack_offset);
compiler.add_node(NODE_VALUE_V, optimized_vector);
return;
}
compiler.stack_assign(vector1_in);
compiler.stack_assign(vector2_in);
compiler.add_node(NODE_VECTOR_MATH, type_enum[type], vector1_in->stack_offset, vector2_in->stack_offset);
compiler.add_node(NODE_VECTOR_MATH, value_out->stack_offset, vector_out->stack_offset);
}