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104 lines
2.3 KiB
GLSL
104 lines
2.3 KiB
GLSL
//////////////////////////////////////////////
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/// 2DxFX v3 - by VETASOFT 2018 //
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//////////////////////////////////////////////
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//////////////////////////////////////////////
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Shader "2DxFX_Extra_Shaders/RetroCGA2"
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{
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Properties
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{
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[PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
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_TurnCGA2_Fade_1("_TurnCGA2_Fade_1", Range(0, 1)) = 1
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_SpriteFade("SpriteFade", Range(0, 1)) = 1.0
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// required for UI.Mask
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[HideInInspector]_StencilComp("Stencil Comparison", Float) = 8
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[HideInInspector]_Stencil("Stencil ID", Float) = 0
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[HideInInspector]_StencilOp("Stencil Operation", Float) = 0
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[HideInInspector]_StencilWriteMask("Stencil Write Mask", Float) = 255
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[HideInInspector]_StencilReadMask("Stencil Read Mask", Float) = 255
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[HideInInspector]_ColorMask("Color Mask", Float) = 15
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}
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SubShader
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{
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Tags {"Queue" = "Transparent" "IgnoreProjector" = "true" "RenderType" = "Transparent" "PreviewType"="Plane" "CanUseSpriteAtlas"="True" }
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ZWrite Off Blend SrcAlpha OneMinusSrcAlpha Cull Off
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// required for UI.Mask
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Stencil
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{
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Ref [_Stencil]
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Comp [_StencilComp]
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Pass [_StencilOp]
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ReadMask [_StencilReadMask]
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WriteMask [_StencilWriteMask]
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}
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma fragmentoption ARB_precision_hint_fastest
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#include "UnityCG.cginc"
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struct appdata_t{
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float4 vertex : POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f
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{
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float2 texcoord : TEXCOORD0;
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float4 vertex : SV_POSITION;
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float4 color : COLOR;
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};
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sampler2D _MainTex;
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float _SpriteFade;
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float _TurnCGA2_Fade_1;
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v2f vert(appdata_t IN)
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{
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v2f OUT;
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OUT.vertex = UnityObjectToClipPos(IN.vertex);
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OUT.texcoord = IN.texcoord;
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OUT.color = IN.color;
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return OUT;
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}
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float4 TurnCGA2(float4 txt, float value)
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{
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float3 a = float3(0, 0, 0);
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#define Turn(n) a = lerp(n, a, step (length (a-txt.rgb), length (n-txt.rgb)));
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Turn(float3(0, 0, 0));
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Turn(float3(0.33, 1, 0.33));
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Turn(float3(1, 0.33, 0.33));
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Turn(float3(1, 1, 0.33));
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a = lerp(txt.rgb,a,value);
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return float4(a, txt.a);
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}
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float4 frag (v2f i) : COLOR
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{
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float4 _MainTex_1 = tex2D(_MainTex, i.texcoord);
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float4 TurnCGA2_1 = TurnCGA2(_MainTex_1,_TurnCGA2_Fade_1);
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float4 FinalResult = TurnCGA2_1;
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FinalResult.rgb *= i.color.rgb;
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FinalResult.a = FinalResult.a * _SpriteFade * i.color.a;
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return FinalResult;
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}
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ENDCG
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}
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}
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Fallback "Sprites/Default"
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}
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