73 lines
2.2 KiB
Text
73 lines
2.2 KiB
Text
|
//!DESC MinBlur-USM
|
||
|
//!HOOK LUMA
|
||
|
//!BIND HOOKED
|
||
|
|
||
|
#define CMPSWAP(i, j) if (a[i] > a[j]) {\
|
||
|
float t = a[i];\
|
||
|
a[i] = a[j];\
|
||
|
a[j] = t;\
|
||
|
}
|
||
|
|
||
|
float remove_grain_20() {
|
||
|
float r = 0.;
|
||
|
r += HOOKED_texOff(vec2(-1, -1)).x;
|
||
|
r += HOOKED_texOff(vec2(+0, -1)).x;
|
||
|
r += HOOKED_texOff(vec2(+1, -1)).x;
|
||
|
r += HOOKED_texOff(vec2(-1, +0)).x;
|
||
|
r += HOOKED_texOff(vec2(+0, +0)).x;
|
||
|
r += HOOKED_texOff(vec2(+1, +0)).x;
|
||
|
r += HOOKED_texOff(vec2(-1, +1)).x;
|
||
|
r += HOOKED_texOff(vec2(+0, +1)).x;
|
||
|
r += HOOKED_texOff(vec2(+1, +1)).x;
|
||
|
r /= 9;
|
||
|
return r;
|
||
|
}
|
||
|
|
||
|
float remove_grain_11() {
|
||
|
float r = 0.;
|
||
|
r += HOOKED_texOff(vec2(-1, -1)).x * 1.;
|
||
|
r += HOOKED_texOff(vec2(+0, -1)).x * 2.;
|
||
|
r += HOOKED_texOff(vec2(+1, -1)).x * 1.;
|
||
|
r += HOOKED_texOff(vec2(-1, +0)).x * 2.;
|
||
|
r += HOOKED_texOff(vec2(+0, +0)).x * 4.;
|
||
|
r += HOOKED_texOff(vec2(+1, +0)).x * 2.;
|
||
|
r += HOOKED_texOff(vec2(-1, +1)).x * 1.;
|
||
|
r += HOOKED_texOff(vec2(+0, +1)).x * 2.;
|
||
|
r += HOOKED_texOff(vec2(+1, +1)).x * 1.;
|
||
|
r /= 16;
|
||
|
return r;
|
||
|
}
|
||
|
|
||
|
float remove_grain_4() {
|
||
|
float a[9];
|
||
|
a[0] = HOOKED_texOff(vec2(-1, -1)).x;
|
||
|
a[1] = HOOKED_texOff(vec2(+0, -1)).x;
|
||
|
a[2] = HOOKED_texOff(vec2(+1, -1)).x;
|
||
|
a[3] = HOOKED_texOff(vec2(-1, +0)).x;
|
||
|
a[4] = HOOKED_texOff(vec2(+0, +0)).x;
|
||
|
a[5] = HOOKED_texOff(vec2(+1, +0)).x;
|
||
|
a[6] = HOOKED_texOff(vec2(-1, +1)).x;
|
||
|
a[7] = HOOKED_texOff(vec2(+0, +1)).x;
|
||
|
a[8] = HOOKED_texOff(vec2(+1, +1)).x;
|
||
|
CMPSWAP(0, 1); CMPSWAP(2, 3); CMPSWAP(4, 5); CMPSWAP(7, 8);
|
||
|
CMPSWAP(0, 2); CMPSWAP(1, 3); CMPSWAP(6, 8);
|
||
|
CMPSWAP(1, 2); CMPSWAP(6, 7); CMPSWAP(5, 8);
|
||
|
CMPSWAP(4, 7); CMPSWAP(3, 8);
|
||
|
CMPSWAP(4, 6); CMPSWAP(5, 7);
|
||
|
CMPSWAP(5, 6); CMPSWAP(2, 7);
|
||
|
CMPSWAP(0, 5); CMPSWAP(1, 6); CMPSWAP(3, 7);
|
||
|
CMPSWAP(0, 4); CMPSWAP(1, 5); CMPSWAP(3, 6);
|
||
|
CMPSWAP(1, 4); CMPSWAP(2, 5);
|
||
|
CMPSWAP(2, 4); CMPSWAP(3, 5);
|
||
|
CMPSWAP(3, 4);
|
||
|
return a[4];
|
||
|
}
|
||
|
|
||
|
vec4 hook() {
|
||
|
float src = HOOKED_tex(HOOKED_pos).x;
|
||
|
float rg11 = remove_grain_11();
|
||
|
float rg4 = remove_grain_4();
|
||
|
float min_blur = (src - rg11) * (src - rg4) < 0 ? src : abs(src - rg11) < abs(src - rg4) ? rg11 : rg4;
|
||
|
return vec4(src + src - min_blur, 0, 0, 0);
|
||
|
}
|