bgfx/3rdparty/glsl-optimizer/tests/fragment/zun-Surface_ScreenPosAlbedo1-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 {
vec4 screenPos;
};
struct v2f_surf {
vec4 pos;
float fog;
vec4 hip_screenPos;
vec4 hip_screen;
};
struct appdata_full {
vec4 vertex;
vec4 tangent;
vec3 normal;
vec4 texcoord;
vec4 texcoord1;
vec4 color;
};
uniform sampler2D _LightBuffer;
uniform sampler2D _MainTex;
uniform vec4 unity_Ambient;
void surf( in Input IN, inout SurfaceOutput o );
vec4 LightingLambert_PrePass( in SurfaceOutput s, in vec4 light );
vec4 frag_surf( in v2f_surf IN );
void surf( in Input IN, inout SurfaceOutput o ) {
vec2 uv;
uv = (IN.screenPos.xy / IN.screenPos.w );
uv *= vec2( 2.00000, 1.00000);
o.Albedo = texture2D( _MainTex, uv).xyz ;
}
vec4 LightingLambert_PrePass( in SurfaceOutput s, in vec4 light ) {
vec4 c;
c.xyz = (s.Albedo * light.xyz );
c.w = s.Alpha;
return c;
}
vec4 frag_surf( in v2f_surf IN ) {
Input surfIN;
SurfaceOutput o;
vec4 light;
vec4 col;
surfIN.screenPos = IN.hip_screenPos;
o.Albedo = vec3( 0.000000);
o.Emission = vec3( 0.000000);
o.Specular = 0.000000;
o.Alpha = 0.000000;
o.Gloss = 0.000000;
surf( surfIN, o);
light = texture2DProj( _LightBuffer, IN.hip_screen);
light = ( -log2( light ) );
light.xyz += unity_Ambient.xyz ;
col = LightingLambert_PrePass( o, light);
return col;
}
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_screenPos = vec4( gl_TexCoord[0]);
xlt_IN.hip_screen = vec4( gl_TexCoord[1]);
xl_retval = frag_surf( xlt_IN);
gl_FragData[0] = vec4( xl_retval);
}