From 917e9e0b320775634dc2e710f7deac74fd0822f0 Mon Sep 17 00:00:00 2001 From: chai Date: Thu, 22 Oct 2020 23:30:02 +0800 Subject: * amplify shader editor --- .../Nodes/ImageEffects/SimpleContrastOpNode.cs | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/ImageEffects/SimpleContrastOpNode.cs (limited to 'Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/ImageEffects/SimpleContrastOpNode.cs') diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/ImageEffects/SimpleContrastOpNode.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/ImageEffects/SimpleContrastOpNode.cs new file mode 100644 index 00000000..01310922 --- /dev/null +++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Nodes/ImageEffects/SimpleContrastOpNode.cs @@ -0,0 +1,55 @@ +// Amplify Shader Editor - Visual Shader Editing Tool +// Copyright (c) Amplify Creations, Lda +using System; + +namespace AmplifyShaderEditor +{ + [Serializable] + [NodeAttributes( "Simple Contrast", "Image Effects", "Simple contrast matrix multiplication" )] + public sealed class SimpleContrastOpNode : ParentNode + { + private const string InputTypeStr = "Contrast"; + private const string FunctionHeader = "CalculateContrast({0},{1})"; + private readonly string[] m_functionBody = { "float4 CalculateContrast( float contrastValue, float4 colorTarget )\n", + "{\n", + "\tfloat t = 0.5 * ( 1.0 - contrastValue );\n", + "\treturn mul( float4x4( contrastValue,0,0,t, 0,contrastValue,0,t, 0,0,contrastValue,t, 0,0,0,1 ), colorTarget );\n", + "}"}; + protected override void CommonInit( int uniqueId ) + { + base.CommonInit( uniqueId ); + AddPorts(); + m_textLabelWidth = 70; + m_useInternalPortData = true; + m_previewShaderGUID = "8d76799413f9f0547ac9b1de7ba798f1"; + } + + void AddPorts() + { + AddInputPort( WirePortDataType.COLOR, false, "RGBA", -1, MasterNodePortCategory.Fragment, 1 ); + AddInputPort( WirePortDataType.FLOAT, false, "Value", -1, MasterNodePortCategory.Fragment, 0 ); + AddOutputPort( WirePortDataType.COLOR, Constants.EmptyPortValue ); + } + + 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 ); + + string contrastValue = m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector ); + string colorTarget = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector ); + string result = dataCollector.AddFunctions( FunctionHeader, m_functionBody, false, contrastValue, colorTarget ); + + return CreateOutputLocalVariable( 0, result, ref dataCollector ); + } + + public override void ReadFromString( ref string[] nodeParams ) + { + base.ReadFromString( ref nodeParams ); + if( UIUtils.CurrentShaderVersion() < 5004 ) + { + m_inputPorts[ 1 ].FloatInternalData = Convert.ToSingle( GetCurrentParam( ref nodeParams ) ); + } + } + } +} -- cgit v1.1-26-g67d0