122 lines
3.2 KiB
Plaintext
122 lines
3.2 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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// - SUPPORTS lightmap
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// - no lighting
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// - no per-material color
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Shader "VRChat/Mobile/Lightmapped"
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{
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Properties
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{
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_MainTex ("Base (RGB)", 2D) = "white" {}
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}
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SubShader
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{
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Tags { "RenderType"="Opaque" }
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LOD 100
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// Non-lightmapped
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Pass
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{
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Tags { "LightMode" = "Vertex" }
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Lighting Off
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SetTexture [_MainTex]
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{
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constantColor (1,1,1,1)
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combine texture, constant // UNITY_OPAQUE_ALPHA_FFP
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}
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}
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// Lightmapped
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Pass
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{
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Tags{ "LIGHTMODE" = "VertexLM" "RenderType" = "Opaque" }
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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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#include "UnityCG.cginc"
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#pragma multi_compile_fog
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#define USING_FOG (defined(FOG_LINEAR) || defined(FOG_EXP) || defined(FOG_EXP2))
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// uniforms
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float4 _MainTex_ST;
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// vertex shader input data
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struct appdata
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{
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float3 pos : POSITION;
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float3 uv1 : TEXCOORD1;
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float3 uv0 : TEXCOORD0;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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// vertex-to-fragment interpolators
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struct v2f
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{
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float2 uv0 : TEXCOORD0;
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float2 uv1 : TEXCOORD1;
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#if USING_FOG
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fixed fog : TEXCOORD2;
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#endif
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float4 pos : SV_POSITION;
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UNITY_VERTEX_OUTPUT_STEREO
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};
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// vertex shader
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v2f vert(appdata IN)
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID(IN);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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// compute texture coordinates
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o.uv0 = IN.uv1.xy * unity_LightmapST.xy + unity_LightmapST.zw;
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o.uv1 = IN.uv0.xy * _MainTex_ST.xy + _MainTex_ST.zw;
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// fog
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#if USING_FOG
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float3 eyePos = UnityObjectToViewPos(float4(IN.pos, 1));
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float fogCoord = length(eyePos.xyz); // radial fog distance
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UNITY_CALC_FOG_FACTOR_RAW(fogCoord);
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o.fog = saturate(unityFogFactor);
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#endif
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// transform position
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o.pos = UnityObjectToClipPos(IN.pos);
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return o;
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}
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// textures
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sampler2D _MainTex;
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// fragment shader
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fixed4 frag(v2f IN) : SV_Target
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{
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fixed4 col, tex;
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// Fetch lightmap
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half4 bakedColorTex = UNITY_SAMPLE_TEX2D(unity_Lightmap, IN.uv0.xy);
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col.rgb = DecodeLightmap(bakedColorTex);
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// Fetch color texture
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tex = tex2D(_MainTex, IN.uv1.xy);
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col.rgb = tex.rgb * col.rgb;
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col.a = 1;
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// fog
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#if USING_FOG
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col.rgb = lerp(unity_FogColor.rgb, col.rgb, IN.fog);
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#endif
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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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