public string GetTexture2DUniformValue()
{
if (PropertyName == "_CameraDepthTexture")
{
return(Constants.CameraDepthTextureValue);
}
else
{
return(GeneratorUtils.GetPropertyDeclaraction(PropertyName, TextureType.Texture2D, ";"));
}
}
public override bool GetUniformData(out string dataType, out string dataName, ref bool fullValue)
{
m_excludeUniform = false;
ParentGraph outsideGraph = UIUtils.CurrentWindow.OutsideGraph;
#if UNITY_2018_1_OR_NEWER
if (outsideGraph.SamplingMacros || m_currentType == TextureType.Texture2DArray)
#else
if ((outsideGraph.SamplingMacros && !outsideGraph.IsStandardSurface) || m_currentType == TextureType.Texture2DArray)
#endif
{
if (outsideGraph.IsSRP)
{
if (Constants.TexDeclarationSRPMacros.ContainsKey(m_currentType))
{
dataName = GeneratorUtils.GetPropertyDeclaraction(PropertyName, m_currentType, ";");
dataType = string.Empty;
fullValue = true;
return(true);
}
}
else if (Constants.TexDeclarationStandardMacros.ContainsKey(m_currentType))
{
#if !UNITY_2018_1_OR_NEWER
if (m_currentType == TextureType.Texture2DArray && outsideGraph.IsStandardSurface)
{
dataName = string.Format(Constants.TexDeclarationStandardMacros[m_currentType], PropertyName);
}
else
#endif
dataName = GeneratorUtils.GetPropertyDeclaraction(PropertyName, m_currentType, ";");
dataType = string.Empty;
fullValue = true;
return(true);
}
}
//TODO: this is a hack and needs to be properly fixed
if (PropertyName == "_CameraDepthTexture")
{
m_excludeUniform = true;
dataType = "UNITY_DECLARE_DEPTH_TEXTURE(";
dataName = m_propertyName + " )";
return(true);
}
dataType = UIUtils.TextureTypeToCgType(m_currentType);
dataName = m_propertyName;
return(true);
}
private void GeneratePOMfunction(ref MasterNodeDataCollector dataCollector)
{
ParentGraph outsideGraph = UIUtils.CurrentWindow.OutsideGraph;
m_functionBody = string.Empty;
switch (m_texPort.DataType)
{
default:
case WirePortDataType.SAMPLER2D:
{
string sampleParam = string.Empty;
sampleParam = GeneratorUtils.GetPropertyDeclaraction("heightMap", TextureType.Texture2D, ", ") + GeneratorUtils.GetSamplerDeclaraction("samplerheightMap", TextureType.Texture2D, ", ");
IOUtils.AddFunctionHeader(ref m_functionBody, string.Format("inline float2 POM( {0}float2 uvs, float2 dx, float2 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv, int index )", sampleParam));
}
break;
case WirePortDataType.SAMPLER3D:
{
string sampleParam = string.Empty;
sampleParam = GeneratorUtils.GetPropertyDeclaraction("heightMap", TextureType.Texture3D, ", ") + GeneratorUtils.GetSamplerDeclaraction("samplerheightMap", TextureType.Texture3D, ", ");
IOUtils.AddFunctionHeader(ref m_functionBody, string.Format("inline float2 POM( {0}float3 uvs, float3 dx, float3 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv, int index )", sampleParam));
}
break;
case WirePortDataType.SAMPLER2DARRAY:
if (outsideGraph.IsSRP)
{
IOUtils.AddFunctionHeader(ref m_functionBody, "inline float2 POM( TEXTURE2D_ARRAY(heightMap), SAMPLER(samplerheightMap), float2 uvs, float2 dx, float2 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv, int index )");
}
else
#if !UNITY_2018_1_OR_NEWER
if (outsideGraph.IsStandardSurface)
{
IOUtils.AddFunctionHeader(ref m_functionBody, "inline float2 POM( UNITY_ARGS_TEX2DARRAY(heightMap), float2 uvs, float2 dx, float2 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv, int index )");
}
else
#endif
{ IOUtils.AddFunctionHeader(ref m_functionBody, "inline float2 POM( UNITY_DECLARE_TEX2DARRAY_NOSAMPLER(heightMap), SamplerState samplerheightMap, float2 uvs, float2 dx, float2 dy, float3 normalWorld, float3 viewWorld, float3 viewDirTan, int minSamples, int maxSamples, float parallax, float refPlane, float2 tilling, float2 curv, int index )"); }
break;
}
IOUtils.AddFunctionLine(ref m_functionBody, "float3 result = 0;");
IOUtils.AddFunctionLine(ref m_functionBody, "int stepIndex = 0;");
//IOUtils.AddFunctionLine( ref m_functionBody, "int numSteps = ( int )( minSamples + dot( viewWorld, normalWorld ) * ( maxSamples - minSamples ) );" );
//IOUtils.AddFunctionLine( ref m_functionBody, "int numSteps = ( int )lerp( maxSamples, minSamples, length( fwidth( uvs ) ) * 10 );" );
IOUtils.AddFunctionLine(ref m_functionBody, "int numSteps = ( int )lerp( (float)maxSamples, (float)minSamples, saturate( dot( normalWorld, viewWorld ) ) );");
IOUtils.AddFunctionLine(ref m_functionBody, "float layerHeight = 1.0 / numSteps;");
IOUtils.AddFunctionLine(ref m_functionBody, "float2 plane = parallax * ( viewDirTan.xy / viewDirTan.z );");
IOUtils.AddFunctionLine(ref m_functionBody, "uvs.xy += refPlane * plane;");
IOUtils.AddFunctionLine(ref m_functionBody, "float2 deltaTex = -plane * layerHeight;");
IOUtils.AddFunctionLine(ref m_functionBody, "float2 prevTexOffset = 0;");
IOUtils.AddFunctionLine(ref m_functionBody, "float prevRayZ = 1.0f;");
IOUtils.AddFunctionLine(ref m_functionBody, "float prevHeight = 0.0f;");
IOUtils.AddFunctionLine(ref m_functionBody, "float2 currTexOffset = deltaTex;");
IOUtils.AddFunctionLine(ref m_functionBody, "float currRayZ = 1.0f - layerHeight;");
IOUtils.AddFunctionLine(ref m_functionBody, "float currHeight = 0.0f;");
IOUtils.AddFunctionLine(ref m_functionBody, "float intersection = 0;");
IOUtils.AddFunctionLine(ref m_functionBody, "float2 finalTexOffset = 0;");
IOUtils.AddFunctionLine(ref m_functionBody, "while ( stepIndex < numSteps + 1 )");
IOUtils.AddFunctionLine(ref m_functionBody, "{");
string textureProp = "heightMap";
string sampleState = "samplerheightMap";
string uvs = "uvs + currTexOffset";
if (m_texPort.DataType == WirePortDataType.SAMPLER3D)
{
uvs = "float3(uvs.xy + currTexOffset, uvs.z)";
}
else if (m_texPort.DataType == WirePortDataType.SAMPLER2DARRAY)
{
uvs = outsideGraph.IsSRP ? uvs + ", index" : "float3(" + uvs + ", index)";
}
string samplingCall = GeneratorUtils.GenerateSamplingCall(ref dataCollector, m_texPort.DataType, textureProp, sampleState, uvs, MipType.Derivative, "dx", "dy");
if (m_useCurvature)
{
IOUtils.AddFunctionLine(ref m_functionBody, " \tresult.z = dot( curv, currTexOffset * currTexOffset );");
IOUtils.AddFunctionLine(ref m_functionBody, " \tcurrHeight = " + samplingCall + "." + m_channelTypeVal[m_selectedChannelInt] + " * ( 1 - result.z );");
}
else
{
IOUtils.AddFunctionLine(ref m_functionBody, " \tcurrHeight = " + samplingCall + "." + m_channelTypeVal[m_selectedChannelInt] + ";");
}
IOUtils.AddFunctionLine(ref m_functionBody, " \tif ( currHeight > currRayZ )");
IOUtils.AddFunctionLine(ref m_functionBody, " \t{");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tstepIndex = numSteps + 1;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t}");
IOUtils.AddFunctionLine(ref m_functionBody, " \telse");
IOUtils.AddFunctionLine(ref m_functionBody, " \t{");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tstepIndex++;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tprevTexOffset = currTexOffset;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tprevRayZ = currRayZ;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tprevHeight = currHeight;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tcurrTexOffset += deltaTex;");
if (m_useCurvature)
{
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tcurrRayZ -= layerHeight * ( 1 - result.z ) * (1+_CurvFix);");
}
else
{
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tcurrRayZ -= layerHeight;");
}
IOUtils.AddFunctionLine(ref m_functionBody, " \t}");
IOUtils.AddFunctionLine(ref m_functionBody, "}");
if (m_sidewallSteps > 0)
{
IOUtils.AddFunctionLine(ref m_functionBody, "int sectionSteps = " + m_sidewallSteps + ";");
IOUtils.AddFunctionLine(ref m_functionBody, "int sectionIndex = 0;");
IOUtils.AddFunctionLine(ref m_functionBody, "float newZ = 0;");
IOUtils.AddFunctionLine(ref m_functionBody, "float newHeight = 0;");
IOUtils.AddFunctionLine(ref m_functionBody, "while ( sectionIndex < sectionSteps )");
IOUtils.AddFunctionLine(ref m_functionBody, "{");
IOUtils.AddFunctionLine(ref m_functionBody, " \tintersection = ( prevHeight - prevRayZ ) / ( prevHeight - currHeight + currRayZ - prevRayZ );");
IOUtils.AddFunctionLine(ref m_functionBody, " \tfinalTexOffset = prevTexOffset + intersection * deltaTex;");
IOUtils.AddFunctionLine(ref m_functionBody, " \tnewZ = prevRayZ - intersection * layerHeight;");
string uvs2 = "uvs + finalTexOffset";
if (m_texPort.DataType == WirePortDataType.SAMPLER3D)
{
uvs2 = "float3(uvs.xy + finalTexOffset, uvs.z)";
}
else if (m_texPort.DataType == WirePortDataType.SAMPLER2DARRAY)
{
uvs2 = outsideGraph.IsSRP ? uvs2 + ", index" : "float3(" + uvs2 + ", index)";
}
string samplingCall2 = GeneratorUtils.GenerateSamplingCall(ref dataCollector, m_texPort.DataType, textureProp, sampleState, uvs2, MipType.Derivative, "dx", "dy");
IOUtils.AddFunctionLine(ref m_functionBody, " \tnewHeight = " + samplingCall2 + "." + m_channelTypeVal[m_selectedChannelInt] + ";");
IOUtils.AddFunctionLine(ref m_functionBody, " \tif ( newHeight > newZ )");
IOUtils.AddFunctionLine(ref m_functionBody, " \t{");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tcurrTexOffset = finalTexOffset;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tcurrHeight = newHeight;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tcurrRayZ = newZ;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tdeltaTex = intersection * deltaTex;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tlayerHeight = intersection * layerHeight;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t}");
IOUtils.AddFunctionLine(ref m_functionBody, " \telse");
IOUtils.AddFunctionLine(ref m_functionBody, " \t{");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tprevTexOffset = finalTexOffset;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tprevHeight = newHeight;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tprevRayZ = newZ;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tdeltaTex = ( 1 - intersection ) * deltaTex;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tlayerHeight = ( 1 - intersection ) * layerHeight;");
IOUtils.AddFunctionLine(ref m_functionBody, " \t}");
IOUtils.AddFunctionLine(ref m_functionBody, " \tsectionIndex++;");
IOUtils.AddFunctionLine(ref m_functionBody, "}");
}
else
{
IOUtils.AddFunctionLine(ref m_functionBody, "finalTexOffset = currTexOffset;");
}
if (m_useCurvature)
{
IOUtils.AddFunctionLine(ref m_functionBody, "#ifdef UNITY_PASS_SHADOWCASTER");
IOUtils.AddFunctionLine(ref m_functionBody, "if ( unity_LightShadowBias.z == 0.0 )");
IOUtils.AddFunctionLine(ref m_functionBody, "{");
IOUtils.AddFunctionLine(ref m_functionBody, "#endif");
IOUtils.AddFunctionLine(ref m_functionBody, " \tif ( result.z > 1 )");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tclip( -1 );");
IOUtils.AddFunctionLine(ref m_functionBody, "#ifdef UNITY_PASS_SHADOWCASTER");
IOUtils.AddFunctionLine(ref m_functionBody, "}");
IOUtils.AddFunctionLine(ref m_functionBody, "#endif");
}
if (m_clipEnds)
{
IOUtils.AddFunctionLine(ref m_functionBody, "result.xy = uvs.xy + finalTexOffset;");
IOUtils.AddFunctionLine(ref m_functionBody, "#ifdef UNITY_PASS_SHADOWCASTER");
IOUtils.AddFunctionLine(ref m_functionBody, "if ( unity_LightShadowBias.z == 0.0 )");
IOUtils.AddFunctionLine(ref m_functionBody, "{");
IOUtils.AddFunctionLine(ref m_functionBody, "#endif");
IOUtils.AddFunctionLine(ref m_functionBody, " \tif ( result.x < 0 )");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tclip( -1 );");
IOUtils.AddFunctionLine(ref m_functionBody, " \tif ( result.x > tilling.x )");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tclip( -1 );");
IOUtils.AddFunctionLine(ref m_functionBody, " \tif ( result.y < 0 )");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tclip( -1 );");
IOUtils.AddFunctionLine(ref m_functionBody, " \tif ( result.y > tilling.y )");
IOUtils.AddFunctionLine(ref m_functionBody, " \t \tclip( -1 );");
IOUtils.AddFunctionLine(ref m_functionBody, "#ifdef UNITY_PASS_SHADOWCASTER");
IOUtils.AddFunctionLine(ref m_functionBody, "}");
IOUtils.AddFunctionLine(ref m_functionBody, "#endif");
IOUtils.AddFunctionLine(ref m_functionBody, "return result.xy;");
}
else
{
IOUtils.AddFunctionLine(ref m_functionBody, "return uvs.xy + finalTexOffset;");
}
IOUtils.CloseFunctionBody(ref m_functionBody);
}
public string GetTexture2DArrayUniformValue()
{
return(GeneratorUtils.GetPropertyDeclaraction(PropertyName, TextureType.Texture2DArray, ";"));
}
public string GetCubeUniformValue()
{
return(GeneratorUtils.GetPropertyDeclaraction(PropertyName, TextureType.Cube, ";"));
}
private void GeneratePattern(ref MasterNodeDataCollector dataCollector)
{
SetAdditonalTitleText(string.Format(Constants.SubTitleTypeFormatStr, PatternsStr[m_selectedPatternInt]));
switch (m_selectedPatternInt)
{
default:
case 0:
{
m_functionBody = string.Empty;
m_functionHeader = "Dither" + PatternsFuncStr[m_selectedPatternInt] + "( {0}, {1} )";
IOUtils.AddFunctionHeader(ref m_functionBody, "inline float Dither" + PatternsFuncStr[m_selectedPatternInt] + "( int x, int y )");
IOUtils.AddFunctionLine(ref m_functionBody, "const float dither[ 16 ] = {");
IOUtils.AddFunctionLine(ref m_functionBody, " 1, 9, 3, 11,");
IOUtils.AddFunctionLine(ref m_functionBody, " 13, 5, 15, 7,");
IOUtils.AddFunctionLine(ref m_functionBody, " 4, 12, 2, 10,");
IOUtils.AddFunctionLine(ref m_functionBody, " 16, 8, 14, 6 };");
IOUtils.AddFunctionLine(ref m_functionBody, "int r = y * 4 + x;");
IOUtils.AddFunctionLine(ref m_functionBody, "return dither[r] / 16; // same # of instructions as pre-dividing due to compiler magic");
IOUtils.CloseFunctionBody(ref m_functionBody);
}
break;
case 1:
{
m_functionBody = string.Empty;
m_functionHeader = "Dither" + PatternsFuncStr[m_selectedPatternInt] + "( {0}, {1} )";
IOUtils.AddFunctionHeader(ref m_functionBody, "inline float Dither" + PatternsFuncStr[m_selectedPatternInt] + "( int x, int y )");
IOUtils.AddFunctionLine(ref m_functionBody, "const float dither[ 64 ] = {");
IOUtils.AddFunctionLine(ref m_functionBody, " 1, 49, 13, 61, 4, 52, 16, 64,");
IOUtils.AddFunctionLine(ref m_functionBody, " 33, 17, 45, 29, 36, 20, 48, 32,");
IOUtils.AddFunctionLine(ref m_functionBody, " 9, 57, 5, 53, 12, 60, 8, 56,");
IOUtils.AddFunctionLine(ref m_functionBody, " 41, 25, 37, 21, 44, 28, 40, 24,");
IOUtils.AddFunctionLine(ref m_functionBody, " 3, 51, 15, 63, 2, 50, 14, 62,");
IOUtils.AddFunctionLine(ref m_functionBody, " 35, 19, 47, 31, 34, 18, 46, 30,");
IOUtils.AddFunctionLine(ref m_functionBody, " 11, 59, 7, 55, 10, 58, 6, 54,");
IOUtils.AddFunctionLine(ref m_functionBody, " 43, 27, 39, 23, 42, 26, 38, 22};");
IOUtils.AddFunctionLine(ref m_functionBody, "int r = y * 8 + x;");
IOUtils.AddFunctionLine(ref m_functionBody, "return dither[r] / 64; // same # of instructions as pre-dividing due to compiler magic");
IOUtils.CloseFunctionBody(ref m_functionBody);
}
break;
case 2:
{
ParentGraph outsideGraph = UIUtils.CurrentWindow.OutsideGraph;
m_functionBody = string.Empty;
m_functionHeader = "Dither" + PatternsFuncStr[m_selectedPatternInt] + "({0}, {1}, {2})";
IOUtils.AddFunctionHeader(ref m_functionBody, "inline float Dither" + PatternsFuncStr[m_selectedPatternInt] + "( float4 screenPos, " + GeneratorUtils.GetPropertyDeclaraction("noiseTexture", TextureType.Texture2D, ", ") + GeneratorUtils.GetSamplerDeclaraction("samplernoiseTexture", TextureType.Texture2D, ", ") + "float4 noiseTexelSize )");
string samplingCall = GeneratorUtils.GenerateSamplingCall(ref dataCollector, WirePortDataType.SAMPLER2D, "noiseTexture", "samplernoiseTexture", "screenPos.xy * _ScreenParams.xy * noiseTexelSize.xy", MipType.MipLevel, "0");
IOUtils.AddFunctionLine(ref m_functionBody, "float dither = " + samplingCall + ".g;");
IOUtils.AddFunctionLine(ref m_functionBody, "float ditherRate = noiseTexelSize.x * noiseTexelSize.y;");
IOUtils.AddFunctionLine(ref m_functionBody, "dither = ( 1 - ditherRate ) * dither + ditherRate;");
IOUtils.AddFunctionLine(ref m_functionBody, "return dither;");
IOUtils.CloseFunctionBody(ref m_functionBody);
}
break;
}
}
