68 lines
1.9 KiB
Plaintext
68 lines
1.9 KiB
Plaintext
// Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt)
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// Unlit shader. Simplest possible textured shader.
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// - no lighting
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// - no lightmap support
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// - no per-material color
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// Only change from the original: added MipMap bias support
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Shader "Unlit/Texture MMBias" {
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Properties {
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_MainTex ("Base (RGB)", 2D) = "white" {}
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_MainTexMMBias("Base MipMap Bias", Float) = 0.0
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}
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SubShader {
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Tags { "RenderType"="Opaque" }
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LOD 100
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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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#pragma target 2.0
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#pragma multi_compile_fog
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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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float2 texcoord : TEXCOORD0;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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float2 texcoord : TEXCOORD0;
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UNITY_FOG_COORDS(1)
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UNITY_VERTEX_OUTPUT_STEREO
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};
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sampler2D _MainTex;
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float4 _MainTex_ST;
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half _MainTexMMBias;
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v2f vert (appdata_t v)
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
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UNITY_TRANSFER_FOG(o,o.vertex);
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return o;
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}
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fixed4 frag (v2f i) : SV_Target
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{
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fixed4 col = tex2Dbias(_MainTex, half4(i.texcoord.x, i.texcoord.y, 0.0, _MainTexMMBias)); // original: tex2D(_MainTex, i.texcoord);
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UNITY_APPLY_FOG(i.fogCoord, col);
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UNITY_OPAQUE_ALPHA(col.a);
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return col;
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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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