public override string GenerateShaderForOutput(int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalVar)
{
if (m_outputPorts[0].IsLocalValue)
{
return(m_outputPorts[0].LocalValue);
}
dataCollector.AddToIncludes(UniqueId, Constants.UnityShaderVariables);
string varName = string.Empty;
bool isFragment = dataCollector.IsFragmentCategory;
if (dataCollector.TesselationActive && isFragment)
{
varName = GeneratorUtils.GenerateClipPositionOnFrag(ref dataCollector, UniqueId, m_currentPrecisionType);
}
else
{
if (dataCollector.IsTemplate)
{
varName = dataCollector.TemplateDataCollectorInstance.GetScreenPos();
}
else
{
if (isFragment)
{
dataCollector.AddToInput(UniqueId, "float4 " + CustomScreenPosStr, true);
string screenPos = GeneratorUtils.GenerateVertexScreenPosition(ref dataCollector, UniqueId, m_currentPrecisionType, false);
string vertexInstruction = Constants.VertexShaderOutputStr + "." + CustomScreenPosStr + " = " + screenPos + ";";
dataCollector.AddToVertexLocalVariables(UniqueId, vertexInstruction);
varName = Constants.InputVarStr + "." + CustomScreenPosStr;
}
else
{
varName = GeneratorUtils.GenerateVertexScreenPosition(ref dataCollector, UniqueId, m_currentPrecisionType, false);
}
}
}
string surfInstruction = "( " + varName + ".xy / " + varName + ".w ) * _ScreenParams.xy";
dataCollector.AddLocalVariable(UniqueId, m_currentPrecisionType, WirePortDataType.FLOAT2, "clipScreen" + OutputId, surfInstruction);
string functionResult = "";
switch (m_selectedPatternInt)
{
default:
case 0:
functionResult = dataCollector.AddFunctions(m_functionHeader, m_functionBody, "fmod(" + "clipScreen" + OutputId + ".x, 4)", "fmod(" + "clipScreen" + UniqueId + ".y, 4)");
break;
case 1:
functionResult = dataCollector.AddFunctions(m_functionHeader, m_functionBody, "fmod(" + "clipScreen" + OutputId + ".x, 8)", "fmod(" + "clipScreen" + UniqueId + ".y, 8)");
break;
}
RegisterLocalVariable(0, functionResult, ref dataCollector, "dither" + OutputId);
return(m_outputPorts[0].LocalValue);
}
public override string GenerateShaderForOutput(int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalVar)
{
if (m_outputPorts[0].IsLocalValue(dataCollector.PortCategory))
{
return(m_outputPorts[0].LocalValue(dataCollector.PortCategory));
}
GeneratePattern();
if (!(dataCollector.IsTemplate && dataCollector.IsSRP))
{
dataCollector.AddToIncludes(UniqueId, Constants.UnityShaderVariables);
}
string varName = string.Empty;
bool isFragment = dataCollector.IsFragmentCategory;
if (m_customScreenPos && m_inputPorts[2].IsConnected)
{
varName = "ditherCustomScreenPos" + OutputId;
string customScreenPosVal = m_inputPorts[2].GeneratePortInstructions(ref dataCollector);
dataCollector.AddLocalVariable(UniqueId, CurrentPrecisionType, WirePortDataType.FLOAT4, varName, customScreenPosVal);
}
else
{
if (dataCollector.TesselationActive && isFragment)
{
varName = GeneratorUtils.GenerateClipPositionOnFrag(ref dataCollector, UniqueId, CurrentPrecisionType);
}
else
{
if (dataCollector.IsTemplate)
{
varName = dataCollector.TemplateDataCollectorInstance.GetScreenPosNormalized(CurrentPrecisionType);
}
else
{
varName = GeneratorUtils.GenerateScreenPositionNormalized(ref dataCollector, UniqueId, CurrentPrecisionType, !dataCollector.UsingCustomScreenPos);
}
}
}
string surfInstruction = varName + ".xy * _ScreenParams.xy";
m_showErrorMessage = false;
string functionResult = "";
switch (m_selectedPatternInt)
{
default:
case 0:
dataCollector.AddLocalVariable(UniqueId, CurrentPrecisionType, WirePortDataType.FLOAT2, "clipScreen" + OutputId, surfInstruction);
functionResult = dataCollector.AddFunctions(m_functionHeader, m_functionBody, "fmod(" + "clipScreen" + OutputId + ".x, 4)", "fmod(" + "clipScreen" + OutputId + ".y, 4)");
break;
case 1:
dataCollector.AddLocalVariable(UniqueId, CurrentPrecisionType, WirePortDataType.FLOAT2, "clipScreen" + OutputId, surfInstruction);
functionResult = dataCollector.AddFunctions(m_functionHeader, m_functionBody, "fmod(" + "clipScreen" + OutputId + ".x, 8)", "fmod(" + "clipScreen" + OutputId + ".y, 8)");
break;
case 2:
{
if (!m_inputPorts[1].IsConnected)
{
m_showErrorMessage = true;
m_errorMessageTypeIsError = NodeMessageType.Warning;
m_errorMessageTooltip = "Please connect a texture object to the Pattern input port to generate a proper dithered pattern";
return("0");
}
else
{
bool sampleThroughMacros = UIUtils.CurrentWindow.OutsideGraph.SamplingThroughMacros;
string noiseTex = m_inputPorts[1].GeneratePortInstructions(ref dataCollector);
dataCollector.AddToUniforms(UniqueId, "float4 " + noiseTex + "_TexelSize;", dataCollector.IsSRP);
if (sampleThroughMacros)
{
dataCollector.AddToUniforms(UniqueId, string.Format(Constants.SamplerDeclarationSRPMacros[TextureType.Texture2D], noiseTex));
functionResult = dataCollector.AddFunctions(m_functionHeader, m_functionBody, varName, noiseTex + ", sampler" + noiseTex, noiseTex + "_TexelSize");
}
else
{
functionResult = dataCollector.AddFunctions(m_functionHeader, m_functionBody, varName, noiseTex, noiseTex + "_TexelSize");
}
}
}
break;
}
dataCollector.AddLocalVariable(UniqueId, CurrentPrecisionType, WirePortDataType.FLOAT, "dither" + OutputId, functionResult);
if (m_inputPorts[0].IsConnected)
{
string driver = m_inputPorts[0].GeneratePortInstructions(ref dataCollector);
dataCollector.AddLocalVariable(UniqueId, "dither" + OutputId + " = step( dither" + OutputId + ", " + driver + " );");
}
//RegisterLocalVariable( 0, functionResult, ref dataCollector, "dither" + OutputId );
m_outputPorts[0].SetLocalValue("dither" + OutputId, dataCollector.PortCategory);
return(m_outputPorts[0].LocalValue(dataCollector.PortCategory));
}
public override string GenerateShaderForOutput(int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalVar)
{
if (m_outputPorts[0].IsLocalValue)
{
return(m_outputPorts[0].LocalValue);
}
GeneratePattern();
dataCollector.AddToIncludes(UniqueId, Constants.UnityShaderVariables);
string varName = string.Empty;
bool isFragment = dataCollector.IsFragmentCategory;
if (dataCollector.TesselationActive && isFragment)
{
varName = GeneratorUtils.GenerateClipPositionOnFrag(ref dataCollector, UniqueId, m_currentPrecisionType);
}
else
{
if (dataCollector.IsTemplate)
{
varName = dataCollector.TemplateDataCollectorInstance.GetScreenPos();
}
else
{
varName = GeneratorUtils.GenerateScreenPositionNormalized(ref dataCollector, UniqueId, m_currentPrecisionType, true);
}
}
string surfInstruction = varName + ".xy * _ScreenParams.xy";
m_showErrorMessage = false;
string functionResult = "";
switch (m_selectedPatternInt)
{
default:
case 0:
dataCollector.AddLocalVariable(UniqueId, m_currentPrecisionType, WirePortDataType.FLOAT2, "clipScreen" + OutputId, surfInstruction);
functionResult = dataCollector.AddFunctions(m_functionHeader, m_functionBody, "fmod(" + "clipScreen" + OutputId + ".x, 4)", "fmod(" + "clipScreen" + UniqueId + ".y, 4)");
break;
case 1:
dataCollector.AddLocalVariable(UniqueId, m_currentPrecisionType, WirePortDataType.FLOAT2, "clipScreen" + OutputId, surfInstruction);
functionResult = dataCollector.AddFunctions(m_functionHeader, m_functionBody, "fmod(" + "clipScreen" + OutputId + ".x, 8)", "fmod(" + "clipScreen" + UniqueId + ".y, 8)");
break;
case 2:
{
if (!m_inputPorts[1].IsConnected)
{
m_showErrorMessage = true;
m_errorMessageTypeIsError = NodeMessageType.Warning;
m_errorMessageTooltip = "Please connect a texture object to the Pattern input port to generate a proper dithered pattern";
return("0");
}
else
{
string noiseTex = m_inputPorts[1].GeneratePortInstructions(ref dataCollector);
dataCollector.AddToUniforms(UniqueId, "uniform float4 " + noiseTex + "_TexelSize;");
functionResult = dataCollector.AddFunctions(m_functionHeader, m_functionBody, varName, noiseTex, noiseTex + "_TexelSize");
}
}
break;
}
dataCollector.AddLocalVariable(UniqueId, "float dither" + OutputId + " = " + functionResult + ";");
if (m_inputPorts[0].IsConnected)
{
string driver = m_inputPorts[0].GeneratePortInstructions(ref dataCollector);
dataCollector.AddLocalVariable(UniqueId, "dither" + OutputId + " = step( dither" + OutputId + ", " + driver + " );");
}
//RegisterLocalVariable( 0, functionResult, ref dataCollector, "dither" + OutputId );
m_outputPorts[0].SetLocalValue("dither" + OutputId);
return(m_outputPorts[0].LocalValue);
}
