public string getCallStr(BaseNode.NodeInput nodeInput, Dictionary <string, string> outputVariableNames)
{
var node = nodeInput.inputNode;
int numInputs = node.inputs.Count;
string callStr = "";
//pre evaluation
callStr += getPreEvaluation(nodeInput);
for (int i = 0; i < numInputs; i++)
{
var input = node.inputs[i];
if (null != input.inputNode)
{
callStr += GeneratorFactory.getShaderGenerator(input.inputNode).getCallStr(input, outputVariableNames);
}
}
string outputVariableName = "out" + node.GetType().Name + node.getNodeID() + "_" + nodeInput.outputIndex;
bool declareOutputVariable = !outputVariableNames.ContainsKey(outputVariableName);
if (declareOutputVariable)
{
outputVariableNames.Add(outputVariableName, outputVariableName);
callStr += "fixed4 ";
}
callStr += outputVariableName + "= " + getFunctionName(nodeInput) + "( uv,0,0";
for (int i = 0; i < numInputs; i++)
{
callStr += ", ";
var input = node.inputs[i];
if (null != input.inputNode)
{
callStr += "out" + input.inputNode.GetType().Name + input.inputNode.getNodeID() + "_" + input.outputIndex;
}
else
{
callStr += "float4(0,0,0,0)";
}
}
callStr += " );\n";
//post-evaluation
callStr += getPostEvaluation(nodeInput);
return(callStr);
}
private static string getCalls(ShaderLayer shaderLayer)
{
Dictionary <string, string> outputVariableNames = new Dictionary <string, string>();
string nodeCalls = "";
var rootInput = shaderLayer.getRoot().inputs[0];
if (rootInput.inputNode != null)
{
nodeCalls += GeneratorFactory.getShaderGenerator(rootInput.inputNode).getCallStr(rootInput, outputVariableNames);
nodeCalls += "col = out" + rootInput.inputNode.GetType().Name + rootInput.inputNode.getNodeID() + "_" + rootInput.outputIndex + ";";
}
return(nodeCalls);
}
private static string getNodePropertyStr(BaseNode.NodeInput nodeInput)
{
var node = nodeInput.inputNode;
return(GeneratorFactory.getShaderGenerator(node).getProperties(nodeInput));
}
private static string getNodeInputStr(BaseNode.NodeInput nodeInput)
{
return(GeneratorFactory.getShaderGenerator(nodeInput.inputNode).getInputs(nodeInput));
}
private static string getNodeFunctionStr(BaseNode.NodeInput nodeInput)
{
var node = nodeInput.inputNode;
return(GeneratorFactory.getShaderGenerator(node).getFunctionSignature(nodeInput) + GeneratorFactory.getShaderGenerator(node).getFunctionBody(nodeInput) + "}\n");
}