mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-01 11:56:58 -05:00
101 lines
2.8 KiB
Text
101 lines
2.8 KiB
Text
#version 300 es
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#define gl_FragColor _glesFragData[0]
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#define gl_FragData _glesFragData
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layout(location = 0) out mediump vec4 _glesFragData[4];
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struct SurfaceOutput {
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lowp vec3 Albedo;
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lowp vec3 Normal;
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lowp vec3 Emission;
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mediump float Specular;
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lowp float Gloss;
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lowp float Alpha;
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};
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struct Input {
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highp vec2 uv_MainTex;
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};
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struct v2f_surf {
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highp vec4 pos;
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highp vec2 pack0;
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lowp vec3 worldNormal;
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highp vec3 worldPos;
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};
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struct appdata_full {
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highp vec4 vertex;
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highp vec4 tangent;
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highp vec3 normal;
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highp vec4 texcoord;
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highp vec4 texcoord1;
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highp vec4 texcoord2;
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highp vec4 texcoord3;
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lowp vec4 color;
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};
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uniform highp vec4 _WorldSpaceLightPos0;
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uniform lowp vec4 _LightColor0;
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uniform sampler2D _LightTexture0;
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uniform mediump mat4 _LightMatrix0;
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uniform sampler2D _LightTextureB0;
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uniform sampler2D _MainTex;
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uniform highp vec4 _MainTex_ST;
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lowp vec4 LightingLambert( in SurfaceOutput s, in lowp vec3 lightDir, in lowp float atten )
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{
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lowp float diff = max( 0.0, dot( s.Normal, lightDir));
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lowp vec4 c;
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c.xyz = ((s.Albedo * _LightColor0.xyz) * ((diff * atten) * 2.0));
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c.w = s.Alpha;
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return c;
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}
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lowp float UnitySpotAttenuate( in mediump vec3 LightCoord )
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{
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return texture( _LightTextureB0, vec2( dot( LightCoord, LightCoord))).w;
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}
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lowp float UnitySpotCookie( in mediump vec4 LightCoord )
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{
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return texture( _LightTexture0, ((LightCoord.xy / LightCoord.w) + 0.5)).w;
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}
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highp vec3 UnityWorldSpaceLightDir( in highp vec3 worldPos )
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{
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return (_WorldSpaceLightPos0.xyz - worldPos);
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}
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void surf( in Input IN, inout SurfaceOutput o )
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{
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mediump vec4 c = texture( _MainTex, IN.uv_MainTex);
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o.Albedo = c.xyz;
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o.Alpha = c.w;
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}
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lowp vec4 frag_surf( in v2f_surf IN )
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{
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Input surfIN;
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surfIN.uv_MainTex = IN.pack0.xy;
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highp vec3 worldPos = IN.worldPos;
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highp vec3 lightDir = normalize(UnityWorldSpaceLightDir( worldPos));
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SurfaceOutput o;
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o.Albedo = vec3( 0.0);
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o.Emission = vec3( 0.0);
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o.Specular = 0.0;
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o.Alpha = 0.0;
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o.Gloss = 0.0;
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o.Normal = IN.worldNormal;
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surf( surfIN, o);
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mediump vec4 lightCoord = (_LightMatrix0 * vec4( worldPos, 1.0));
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lowp float atten = (((float((lightCoord.z > 0.0)) * UnitySpotCookie( lightCoord)) * UnitySpotAttenuate( lightCoord.xyz)) * 1.0);
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lowp vec4 c = vec4( 0.0);
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c += LightingLambert( o, lightDir, atten);
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c.w = 0.0;
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return c;
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}
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in highp vec2 xlv_TEXCOORD0;
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in lowp vec3 xlv_TEXCOORD1;
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in highp vec3 xlv_TEXCOORD2;
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void main() {
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lowp vec4 xl_retval;
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v2f_surf xlt_IN;
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xlt_IN.pos = vec4(0.0);
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xlt_IN.pack0 = vec2(xlv_TEXCOORD0);
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xlt_IN.worldNormal = vec3(xlv_TEXCOORD1);
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xlt_IN.worldPos = vec3(xlv_TEXCOORD2);
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xl_retval = frag_surf( xlt_IN);
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gl_FragData[0] = vec4(xl_retval);
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}
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