63 lines
1.5 KiB
Text
63 lines
1.5 KiB
Text
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Shader "OVRColorRampAlpa" {
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Properties {
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_Color ("Main Color", Color ) = (1,1,1,1)
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_MainTex ("Diffuse (RGB) AlphaMask (A)", 2D) = "white" {}
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_ColorRamp ("Color Ramp (A)", 2D) = "white" {}
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_ColorRampOffset ("Color Ramp Offset", Range(0,1)) = 0.0
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}
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Category {
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Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
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Blend SrcAlpha OneMinusSrcAlpha
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AlphaTest Greater .01
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ColorMask RGB
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Cull Off Lighting Off ZWrite Off Fog { Color (0,0,0,0) }
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SubShader {
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Pass {
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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sampler2D _MainTex;
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sampler2D _ColorRamp;
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float _ColorRampOffset;
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fixed4 _Color;
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struct appdata_t {
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float4 vertex : POSITION;
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fixed4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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fixed4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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};
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float4 _MainTex_ST;
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v2f vert(appdata_t v) {
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v2f o;
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o.vertex = mul(UNITY_MATRIX_MVP, v.vertex);
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o.color = v.color;
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o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
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return o;
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}
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fixed4 frag(v2f i) : SV_Target {
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float4 texel = tex2D(_MainTex, i.texcoord);
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float2 colorIndex = float2( texel.x, _ColorRampOffset );
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float4 outColor = tex2D(_ColorRamp, colorIndex) * _Color;
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outColor.a = texel.a;
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return outColor;
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}
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ENDCG
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}
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}
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}
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} // Category
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