mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-12 17:21:08 -05:00
35 lines
800 B
Text
35 lines
800 B
Text
|
struct v2f_vertex_lit {
|
||
|
vec2 uv;
|
||
|
vec4 diff;
|
||
|
vec4 spec;
|
||
|
};
|
||
|
struct v2f_img {
|
||
|
vec4 pos;
|
||
|
vec2 uv;
|
||
|
};
|
||
|
struct appdata_img {
|
||
|
vec4 vertex;
|
||
|
vec2 texcoord;
|
||
|
};
|
||
|
uniform sampler2D _MainTex;
|
||
|
vec4 frag( in v2f_img i );
|
||
|
vec4 frag( in v2f_img i ) {
|
||
|
vec4 original;
|
||
|
float Y;
|
||
|
vec4 sepiaConvert = vec4( 0.191000, -0.0540000, -0.221000, 0.000000);
|
||
|
vec4 xlat_var_output;
|
||
|
original = texture2D( _MainTex, i.uv);
|
||
|
Y = dot( vec3( 0.299000, 0.587000, 0.114000), original.xyz );
|
||
|
xlat_var_output = (sepiaConvert + Y);
|
||
|
xlat_var_output.w = original.w ;
|
||
|
return xlat_var_output;
|
||
|
}
|
||
|
void main() {
|
||
|
vec4 xl_retval;
|
||
|
v2f_img xlt_i;
|
||
|
xlt_i.pos = vec4(0.0);
|
||
|
xlt_i.uv = vec2( gl_TexCoord[0]);
|
||
|
xl_retval = frag( xlt_i);
|
||
|
gl_FragData[0] = vec4( xl_retval);
|
||
|
}
|