anti-bloating.glsl

//!HOOK POSTKERNEL
//!BIND HOOKED
//!BIND PREKERNEL
//!SAVE ab
//!COMPONENTS 4
//!WHEN NATIVE_CROPPED.w POSTKERNEL.w <

#define str     0.1

#define GetS(off)       Luma(PREKERNEL_tex(PREKERNEL_pt*(PREKERNEL_pos * input_size + tex_offset + off)).rgb)
#define GetT(off)       Luma(HOOKED_texOff(off).rgb)
#define Luma(rgb)       (dot(vec3(0.2126, 0.7152, 0.0722), rgb))
#define RGBtoYUV(Kb,Kr) mat3(vec3(Kr, 1.0 - Kr - Kb, Kb), vec3(-Kr, Kr + Kb - 1.0, 1.0 - Kb) / (2.0*(1.0 - Kb)), vec3(1.0 - Kr, Kr + Kb - 1.0, -Kb) / (2.0*(1.0 - Kr)))
vec4 hook() {
    float d =      ( (GetT(vec2(-1.0))-GetS(vec2(-1.0))) + (GetT(vec2(1.0))-GetS(vec2(1.0))) +
              (GetT(vec2(-1.0, 1.0))-GetS(vec2(-1.0, 1.0))) + (GetT(vec2(1.0,-1.0))-GetS(vec2(1.0,-1.0))) ) * 0.04 +
            ( (GetT(vec2(-1.0, 0.0))-GetS(vec2(-1.0, 0.0))) + (GetT(vec2(0.0,-1.0))-GetS(vec2(0.0,-1.0))) +
              (GetT(vec2( 1.0, 0.0))-GetS(vec2( 1.0, 0.0))) + (GetT(vec2(0.0, 1.0))-GetS(vec2(0.0, 1.0))) ) * 0.12 +
              (GetT(vec2(0.0))-GetS(vec2(0.0))) * 0.36;

    return vec4(GetS(vec2(0.0)), GetT(vec2(0.0)) - str*d, (HOOKED_texOff(vec2(0)).rgb * RGBtoYUV(0.0722,0.2126) + vec3(0.0, 0.5, 0.5)).yz);
}

//!HOOK POSTKERNEL
//!BIND HOOKED
//!BIND ab
//!WHEN NATIVE_CROPPED.w POSTKERNEL.w <

#define str     0.1

#define GetS(off)       (ab_texOff(off).x)
#define GetT(off)       (ab_texOff(off).y)
#define YUVtoRGB(Kb,Kr) mat3(vec3(1.0, 0.0, 2.0*(1.0 - Kr)), vec3(Kb + Kr - 1.0, 2.0*(1.0 - Kb)*Kb, 2.0*Kr*(1.0 - Kr)) / (Kb + Kr - 1.0), vec3(1.0, 2.0*(1.0 - Kb), 0.0))
vec4 hook() {
    float d =      ( (GetT(vec2(-1.0))-GetS(vec2(-1.0))) + (GetT(vec2(1.0))-GetS(vec2(1.0))) +
              (GetT(vec2(-1.0, 1.0))-GetS(vec2(-1.0, 1.0))) + (GetT(vec2(1.0,-1.0))-GetS(vec2(1.0,-1.0))) ) * 0.04 +
            ( (GetT(vec2(-1.0, 0.0))-GetS(vec2(-1.0, 0.0))) + (GetT(vec2(0.0,-1.0))-GetS(vec2(0.0,-1.0))) +
              (GetT(vec2( 1.0, 0.0))-GetS(vec2( 1.0, 0.0))) + (GetT(vec2(0.0, 1.0))-GetS(vec2(0.0, 1.0))) ) * 0.12 +
              (GetT(vec2(0.0))-GetS(vec2(0.0))) * 0.36;

    return vec4(vec3(GetT(vec2(0)) - str*d, ab_texOff(vec2(0)).zw - vec2(0.5)) * YUVtoRGB(0.0722,0.2126), HOOKED_texOff(vec2(0)).a);
}