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Update mpv shaders

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This commit is contained in:
Christoph Urlacher
2022-10-31 14:09:57 +01:00
parent cd9f63f03a
commit ef8c481915
7 changed files with 563 additions and 44 deletions
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52
config/mpv/shaders/adaptive-sharpen.glsl Normal file → Executable file
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@ -1,8 +1,6 @@
// Source: https://gist.github.com/igv/8a77e4eb8276753b54bb94c1c50c317e
// Requires sigmoid-upscaling=no. Best quality setting (according to objective metrics): curve_height 0.5, overshoot_ctrl true.
// To use it on-demand add the following line to input.conf: n change-list glsl-shaders toggle "~~/adaptive-sharpen.glsl"
// Revised 06/18/22
// https://gist.github.com/igv/8a77e4eb8276753b54bb94c1c50c317e
//
// Copyright (c) 2015-2021, bacondither
// All rights reserved.
//
@ -74,9 +72,13 @@
#define sat(x) ( clamp(x, 0.0, 1.0) )
#define dxdy(val) ( length(fwidth(val)) ) // =~1/2.5 hq edge without c_comp
#define CtL(RGB) ( sat(dot(RGB, vec3(0.2126, 0.7152, 0.0722))) )
#ifdef LUMA_tex
#define CtL(RGB) RGB.x
#else
#define CtL(RGB) ( sqrt(dot(sat(RGB)*sat(RGB), vec3(0.2126, 0.7152, 0.0722))) )
#endif
#define b_diff(pix) ( (blur-c[pix])*(blur-c[pix]) )
#define b_diff(pix) ( (blur-luma[pix])*(blur-luma[pix]) )
vec4 hook() {
@ -97,11 +99,19 @@ vec4 hook() {
dxdy(c[5]), dxdy(c[6]), dxdy(c[7]), dxdy(c[8]), dxdy(c[9]),
dxdy(c[10]), dxdy(c[11]), dxdy(c[12]));
// Blur, gauss 3x3
vec3 blur = sat((2.0 * (c[2]+c[4]+c[5]+c[7]) + (c[1]+c[3]+c[6]+c[8]) + 4.0 * c[0]) / 16.0);
// RGB to luma
float luma[25] = float[](CtL(c[0]), CtL(c[1]), CtL(c[2]), CtL(c[3]), CtL(c[4]), CtL(c[5]), CtL(c[6]),
CtL(c[7]), CtL(c[8]), CtL(c[9]), CtL(c[10]), CtL(c[11]), CtL(c[12]),
CtL(c[13]), CtL(c[14]), CtL(c[15]), CtL(c[16]), CtL(c[17]), CtL(c[18]),
CtL(c[19]), CtL(c[20]), CtL(c[21]), CtL(c[22]), CtL(c[23]), CtL(c[24]));
// Contrast compression, center = 0.5, scaled to 1/3
float c_comp = sat(0.266666681f + 0.9*exp2(dot(blur, vec3(-7.4/3.0))));
float c0_Y = luma[0];
// Blur, gauss 3x3
float blur = (2.0 * (luma[2]+luma[4]+luma[5]+luma[7]) + (luma[1]+luma[3]+luma[6]+luma[8]) + 4.0 * luma[0]) / 16.0;
// Contrast compression, center = 0.5
float c_comp = sat(0.266666681f + 0.9*exp2(blur * blur * -7.4));
// Edge detection
// Relative matrix weights
@ -110,10 +120,10 @@ vec4 hook() {
// [ 1, 5, 6, 5, 1 ]
// [ 4, 5, 4 ]
// [ 1 ]
float edge = length( 1.38*b_diff(0)
+ 1.15*(b_diff(2) + b_diff(4) + b_diff(5) + b_diff(7))
+ 0.92*(b_diff(1) + b_diff(3) + b_diff(6) + b_diff(8))
+ 0.23*(b_diff(9) + b_diff(10) + b_diff(11) + b_diff(12)) ) * c_comp;
float edge = ( 1.38*b_diff(0)
+ 1.15*(b_diff(2) + b_diff(4) + b_diff(5) + b_diff(7))
+ 0.92*(b_diff(1) + b_diff(3) + b_diff(6) + b_diff(8))
+ 0.23*(b_diff(9) + b_diff(10) + b_diff(11) + b_diff(12)) ) * c_comp;
vec2 cs = vec2(L_compr_low, D_compr_low);
@ -136,14 +146,6 @@ vec4 hook() {
cs = mix(cs, vec2(L_compr_high, D_compr_high), sat(2.4002*sbe - 2.282));
}
// RGB to luma
float luma[25] = float[](CtL(c[0]), CtL(c[1]), CtL(c[2]), CtL(c[3]), CtL(c[4]), CtL(c[5]), CtL(c[6]),
CtL(c[7]), CtL(c[8]), CtL(c[9]), CtL(c[10]), CtL(c[11]), CtL(c[12]),
CtL(c[13]), CtL(c[14]), CtL(c[15]), CtL(c[16]), CtL(c[17]), CtL(c[18]),
CtL(c[19]), CtL(c[20]), CtL(c[21]), CtL(c[22]), CtL(c[23]), CtL(c[24]));
float c0_Y = luma[0];
// Precalculated default squared kernel weights
const vec3 w1 = vec3(0.5, 1.0, 1.41421356237); // 0.25, 1.0, 2.0
const vec3 w2 = vec3(0.86602540378, 1.0, 0.54772255751); // 0.75, 1.0, 0.3
@ -222,10 +224,10 @@ vec4 hook() {
// Soft limited anti-ringing with tanh, wpmean to control compression slope
sharpdiff = wpmean(max(sharpdiff, 0.0), soft_lim( max(sharpdiff, 0.0), min_dist ), cs.x )
- wpmean(min(sharpdiff, 0.0), soft_lim( min(sharpdiff, 0.0), min_dist ), cs.y );
float sharpdiff_lim = sat(c0_Y + sharpdiff) - c0_Y;
/*float satmul = (c0_Y + max(sharpdiff_lim*0.9, sharpdiff_lim)*0.3 + 0.03)/(c0_Y + 0.03);
vec3 res = c0_Y + sharpdiff_lim + (c[0] - c0_Y)*satmul;
*/
return vec4(sharpdiff_lim + c[0], HOOKED_texOff(0).a);
}
}