mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-11 08:41:31 -05:00
120 lines
3.2 KiB
Text
120 lines
3.2 KiB
Text
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struct v2f_vertex_lit {
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vec2 uv;
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vec4 diff;
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vec4 spec;
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};
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struct v2f_img {
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vec4 pos;
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vec2 uv;
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};
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struct appdata_img {
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vec4 vertex;
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vec2 texcoord;
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};
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struct SurfaceOutput {
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vec3 Albedo;
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vec3 Normal;
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vec3 Emission;
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float Specular;
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float Gloss;
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float Alpha;
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};
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struct Input {
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vec2 uv_Control;
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vec2 uv_Splat0;
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vec2 uv_Splat1;
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vec2 uv_Splat2;
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vec2 uv_Splat3;
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};
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struct v2f_surf {
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vec4 pos;
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float fog;
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vec4 hip_pack0;
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vec4 hip_pack1;
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vec2 hip_pack2;
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vec3 normal;
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vec3 vlight;
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vec4 _ShadowCoord;
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};
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struct appdata_full {
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vec4 vertex;
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vec4 tangent;
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vec3 normal;
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vec4 texcoord;
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vec4 texcoord1;
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vec4 color;
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};
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uniform sampler2D _Control;
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uniform vec4 _LightColor0;
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uniform sampler2D _ShadowMapTexture;
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uniform sampler2D _Splat0;
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uniform sampler2D _Splat1;
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uniform sampler2D _Splat2;
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uniform sampler2D _Splat3;
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uniform vec4 _WorldSpaceLightPos0;
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float unitySampleShadow( in vec4 shadowCoord );
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void surf( in Input IN, inout SurfaceOutput o );
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vec4 LightingLambert( in SurfaceOutput s, in vec3 lightDir, in float atten );
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vec4 frag_surf( in v2f_surf IN );
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float unitySampleShadow( in vec4 shadowCoord ) {
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float shadow;
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shadow = texture2DProj( _ShadowMapTexture, shadowCoord).x ;
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return shadow;
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}
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void surf( in Input IN, inout SurfaceOutput o ) {
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vec4 splat_control;
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vec3 col;
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splat_control = texture2D( _Control, IN.uv_Control);
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col = (splat_control.x * texture2D( _Splat0, IN.uv_Splat0).xyz );
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col += (splat_control.y * texture2D( _Splat1, IN.uv_Splat1).xyz );
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col += (splat_control.z * texture2D( _Splat2, IN.uv_Splat2).xyz );
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col += (splat_control.w * texture2D( _Splat3, IN.uv_Splat3).xyz );
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o.Albedo = col;
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o.Alpha = 0.000000;
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}
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vec4 LightingLambert( in SurfaceOutput s, in vec3 lightDir, in float atten ) {
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float diff;
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vec4 c;
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diff = max( 0.000000, dot( s.Normal, lightDir));
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c.xyz = ((s.Albedo * _LightColor0.xyz ) * ((diff * atten) * 2.00000));
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c.w = s.Alpha;
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return c;
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}
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vec4 frag_surf( in v2f_surf IN ) {
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Input surfIN;
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SurfaceOutput o;
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float atten;
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vec4 c;
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surfIN.uv_Control = IN.hip_pack0.xy ;
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surfIN.uv_Splat0 = IN.hip_pack0.zw ;
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surfIN.uv_Splat1 = IN.hip_pack1.xy ;
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surfIN.uv_Splat2 = IN.hip_pack1.zw ;
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surfIN.uv_Splat3 = IN.hip_pack2.xy ;
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o.Albedo = vec3( 0.000000);
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o.Emission = vec3( 0.000000);
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o.Specular = 0.000000;
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o.Alpha = 0.000000;
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o.Gloss = 0.000000;
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o.Normal = IN.normal;
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surf( surfIN, o);
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atten = unitySampleShadow( IN._ShadowCoord);
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c = LightingLambert( o, _WorldSpaceLightPos0.xyz , atten);
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c.xyz += (o.Albedo * IN.vlight);
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return c;
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}
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varying vec4 xlv_FOG;
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void main() {
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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.fog = float( xlv_FOG);
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xlt_IN.hip_pack0 = vec4( gl_TexCoord[0]);
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xlt_IN.hip_pack1 = vec4( gl_TexCoord[1]);
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xlt_IN.hip_pack2 = vec2( gl_TexCoord[2]);
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xlt_IN.normal = vec3( gl_TexCoord[3]);
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xlt_IN.vlight = vec3( gl_TexCoord[4]);
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xlt_IN._ShadowCoord = vec4( gl_TexCoord[5]);
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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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