bgfx/3rdparty/glsl-optimizer/tests/fragment/zun-Hidden_TerrainEngine_Splatmap_Lightmap-AddPass-in.txt
2012-10-07 20:41:18 -07:00

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struct v2f_vertex_lit {
vec2 uv;
vec4 diff;
vec4 spec;
};
struct v2f_img {
vec4 pos;
vec2 uv;
};
struct appdata_img {
vec4 vertex;
vec2 texcoord;
};
struct SurfaceOutput {
vec3 Albedo;
vec3 Normal;
vec3 Emission;
float Specular;
float Gloss;
float Alpha;
};
struct Input {
vec2 uv_Control;
vec2 uv_Splat0;
vec2 uv_Splat1;
vec2 uv_Splat2;
vec2 uv_Splat3;
};
struct v2f_surf {
vec4 pos;
float fog;
vec4 hip_pack0;
vec4 hip_pack1;
vec2 hip_pack2;
vec3 normal;
vec3 vlight;
vec4 _ShadowCoord;
};
struct appdata_full {
vec4 vertex;
vec4 tangent;
vec3 normal;
vec4 texcoord;
vec4 texcoord1;
vec4 color;
};
uniform sampler2D _Control;
uniform vec4 _LightColor0;
uniform sampler2D _ShadowMapTexture;
uniform sampler2D _Splat0;
uniform sampler2D _Splat1;
uniform sampler2D _Splat2;
uniform sampler2D _Splat3;
uniform vec4 _WorldSpaceLightPos0;
float unitySampleShadow( in vec4 shadowCoord );
void surf( in Input IN, inout SurfaceOutput o );
vec4 LightingLambert( in SurfaceOutput s, in vec3 lightDir, in float atten );
vec4 frag_surf( in v2f_surf IN );
float unitySampleShadow( in vec4 shadowCoord ) {
float shadow;
shadow = texture2DProj( _ShadowMapTexture, shadowCoord).x ;
return shadow;
}
void surf( in Input IN, inout SurfaceOutput o ) {
vec4 splat_control;
vec3 col;
splat_control = texture2D( _Control, IN.uv_Control);
col = (splat_control.x * texture2D( _Splat0, IN.uv_Splat0).xyz );
col += (splat_control.y * texture2D( _Splat1, IN.uv_Splat1).xyz );
col += (splat_control.z * texture2D( _Splat2, IN.uv_Splat2).xyz );
col += (splat_control.w * texture2D( _Splat3, IN.uv_Splat3).xyz );
o.Albedo = col;
o.Alpha = 0.000000;
}
vec4 LightingLambert( in SurfaceOutput s, in vec3 lightDir, in float atten ) {
float diff;
vec4 c;
diff = max( 0.000000, dot( s.Normal, lightDir));
c.xyz = ((s.Albedo * _LightColor0.xyz ) * ((diff * atten) * 2.00000));
c.w = s.Alpha;
return c;
}
vec4 frag_surf( in v2f_surf IN ) {
Input surfIN;
SurfaceOutput o;
float atten;
vec4 c;
surfIN.uv_Control = IN.hip_pack0.xy ;
surfIN.uv_Splat0 = IN.hip_pack0.zw ;
surfIN.uv_Splat1 = IN.hip_pack1.xy ;
surfIN.uv_Splat2 = IN.hip_pack1.zw ;
surfIN.uv_Splat3 = IN.hip_pack2.xy ;
o.Albedo = vec3( 0.000000);
o.Emission = vec3( 0.000000);
o.Specular = 0.000000;
o.Alpha = 0.000000;
o.Gloss = 0.000000;
o.Normal = IN.normal;
surf( surfIN, o);
atten = unitySampleShadow( IN._ShadowCoord);
c = LightingLambert( o, _WorldSpaceLightPos0.xyz , atten);
c.xyz += (o.Albedo * IN.vlight);
return c;
}
varying vec4 xlv_FOG;
void main() {
vec4 xl_retval;
v2f_surf xlt_IN;
xlt_IN.pos = vec4(0.0);
xlt_IN.fog = float( xlv_FOG);
xlt_IN.hip_pack0 = vec4( gl_TexCoord[0]);
xlt_IN.hip_pack1 = vec4( gl_TexCoord[1]);
xlt_IN.hip_pack2 = vec2( gl_TexCoord[2]);
xlt_IN.normal = vec3( gl_TexCoord[3]);
xlt_IN.vlight = vec3( gl_TexCoord[4]);
xlt_IN._ShadowCoord = vec4( gl_TexCoord[5]);
xl_retval = frag_surf( xlt_IN);
gl_FragData[0] = vec4( xl_retval);
}