mpv-conf/shaders/anime-sharpen_10_Fast.glsl
2021-12-03 20:50:08 +08:00

355 lines
8.6 KiB
GLSL

//Anime4K GLSL v1.0 Release Candidate 2
// MIT License
// Copyright (c) 2019 bloc97, DextroseRe
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//!DESC anime-sharpen_10_Fast (Luma)
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
//!HOOK LUMA
//!BIND HOOKED
//!WIDTH OUTPUT.w
//!HEIGHT OUTPUT.h
//!SAVE LUMAX
//!COMPONENTS 1
vec4 hook() {
return HOOKED_tex(HOOKED_pos);
}
//!DESC anime-sharpen_10_Fast (ComputeGaussianX)
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
//!HOOK LUMA
//!BIND HOOKED
//!BIND LUMAX
//!SAVE LUMAG
//!COMPONENTS 1
float lumGaussian5(vec2 pos, vec2 d) {
float g = LUMA_tex(pos - (d * 2)).x * 0.187691;
g = g + LUMA_tex(pos - d).x * 0.206038;
g = g + LUMA_tex(pos).x * 0.212543;
g = g + LUMA_tex(pos + d).x * 0.206038;
g = g + LUMA_tex(pos + (d * 2)).x * 0.187691;
return clamp(g, 0, 1); //Clamp for sanity check
}
vec4 hook() {
float g = lumGaussian5(HOOKED_pos, vec2(LUMAX_pt.x, 0));
return vec4(g, 0, 0, 0);
}
//!DESC anime-sharpen_10_Fast (ComputeGaussianY)
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
//!HOOK LUMA
//!BIND HOOKED
//!BIND LUMAX
//!BIND LUMAG
//!SAVE LUMAG
//!COMPONENTS 1
float lumGaussian5(vec2 pos, vec2 d) {
float g = LUMAG_tex(pos - (d * 2)).x * 0.187691;
g = g + LUMAG_tex(pos - d).x * 0.206038;
g = g + LUMAG_tex(pos).x * 0.212543;
g = g + LUMAG_tex(pos + d).x * 0.206038;
g = g + LUMAG_tex(pos + (d * 2)).x * 0.187691;
return clamp(g, 0, 1); //Clamp for sanity check
}
vec4 hook() {
float g = lumGaussian5(HOOKED_pos, vec2(0, LUMAX_pt.y));
return vec4(g, 0, 0, 0);
}
//!DESC anime-sharpen_10_Fast (LineDetect)
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
//!HOOK LUMA
//!BIND HOOKED
//!BIND LUMAG
//!SAVE LUMAG
//!COMPONENTS 1
#define BlendColorDodgef(base, blend) (((blend) == 1.0) ? (blend) : min((base) / (1.0 - (blend)), 1.0))
#define BlendColorDividef(top, bottom) (((bottom) == 1.0) ? (bottom) : min((top) / (bottom), 1.0))
// Component wise blending
#define Blend(base, blend, funcf) vec3(funcf(base.r, blend.r), funcf(base.g, blend.g), funcf(base.b, blend.b))
#define BlendColorDodge(base, blend) Blend(base, blend, BlendColorDodgef)
vec4 hook() {
float lum = clamp(LUMA_tex(HOOKED_pos).x, 0.001, 0.999);
float lumg = clamp(LUMAG_tex(HOOKED_pos).x, 0.001, 0.999);
float pseudolines = BlendColorDividef(lum, lumg);
pseudolines = 1 - clamp(pseudolines - 0.05, 0, 1);
return vec4(pseudolines, 0, 0, 0);
}
//!DESC anime-sharpen_10_Fast (ComputeLineGaussianX)
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
//!HOOK LUMA
//!BIND HOOKED
//!BIND LUMAX
//!BIND LUMAG
//!SAVE LUMAG
//!COMPONENTS 1
float lumGaussian5(vec2 pos, vec2 d) {
float g = LUMAG_tex(pos - (d * 2)).x * 0.187691;
g = g + LUMAG_tex(pos - d).x * 0.206038;
g = g + LUMAG_tex(pos).x * 0.212543;
g = g + LUMAG_tex(pos + d).x * 0.206038;
g = g + LUMAG_tex(pos + (d * 2)).x * 0.187691;
return clamp(g, 0, 1); //Clamp for sanity check
}
vec4 hook() {
float g = lumGaussian5(HOOKED_pos, vec2(LUMAX_pt.x, 0));
return vec4(g, 0, 0, 0);
}
//!DESC anime-sharpen_10_Fast (ComputeLineGaussianY)
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
//!HOOK LUMA
//!BIND HOOKED
//!BIND LUMAX
//!BIND LUMAG
//!SAVE LUMAG
//!COMPONENTS 1
float lumGaussian5(vec2 pos, vec2 d) {
float g = LUMAG_tex(pos - (d * 2)).x * 0.187691;
g = g + LUMAG_tex(pos - d).x * 0.206038;
g = g + LUMAG_tex(pos).x * 0.212543;
g = g + LUMAG_tex(pos + d).x * 0.206038;
g = g + LUMAG_tex(pos + (d * 2)).x * 0.187691;
return clamp(g, 0, 1); //Clamp for sanity check
}
vec4 hook() {
float g = lumGaussian5(HOOKED_pos, vec2(0, LUMAX_pt.y));
return vec4(g, 0, 0, 0);
}
//!DESC anime-sharpen_10_Fast (ComputeGradientX)
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
//!HOOK LUMA
//!BIND HOOKED
//!BIND LUMAX
//!SAVE LUMAD
//!COMPONENTS 2
vec4 hook() {
vec2 d = LUMAX_pt;
//[tl t tr]
//[ l c r]
//[bl b br]
float l = LUMA_tex(HOOKED_pos + vec2(-d.x, 0)).x;
float c = LUMA_tex(HOOKED_pos).x;
float r = LUMA_tex(HOOKED_pos + vec2(d.x, 0)).x;
//Horizontal Gradient
//[-1 0 1]
//[-2 0 2]
//[-1 0 1]
float xgrad = (-l + r);
//Vertical Gradient
//[-1 -2 -1]
//[ 0 0 0]
//[ 1 2 1]
float ygrad = (l + c + c + r);
//Computes the luminance's gradient
return vec4(xgrad, ygrad, 0, 0);
}
//!DESC anime-sharpen_10_Fast (ComputeGradientY)
//!HOOK LUMA
//!BIND HOOKED
//!BIND LUMAX
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
//!BIND LUMAD
//!SAVE LUMAD
//!COMPONENTS 1
vec4 hook() {
vec2 d = LUMAX_pt;
//[tl t tr]
//[ l cc r]
//[bl b br]
float tx = LUMAD_tex(HOOKED_pos + vec2(0, -d.y)).x;
float cx = LUMAD_tex(HOOKED_pos).x;
float bx = LUMAD_tex(HOOKED_pos + vec2(0, d.y)).x;
float ty = LUMAD_tex(HOOKED_pos + vec2(0, -d.y)).y;
//float cy = LUMAD_tex(HOOKED_pos).y;
float by = LUMAD_tex(HOOKED_pos + vec2(0, d.y)).y;
//Horizontal Gradient
//[-1 0 1]
//[-2 0 2]
//[-1 0 1]
float xgrad = (tx + cx + cx + bx);
//Vertical Gradient
//[-1 -2 -1]
//[ 0 0 0]
//[ 1 2 1]
float ygrad = (-ty + by);
//Computes the luminance's gradient
return vec4(1 - clamp(sqrt(xgrad * xgrad + ygrad * ygrad), 0, 1), 0, 0, 0);
}
//!DESC anime-sharpen_10_Fast (Refine)
//!HOOK SCALED
//!BIND HOOKED
//!WHEN OUTPUT.w LUMA.w / 1 > OUTPUT.h LUMA.h / 1 > *
//!BIND LUMA
//!BIND LUMAD
//!BIND LUMAG
#define LINE_DETECT_MUL 6
#define LINE_DETECT_THRESHOLD 0.07
#define MAX_STRENGTH 0.6
#define strength (min((SCALED_size.x) / (LUMA_size.x), 1))
#define lineprob (LUMAG_tex(HOOKED_pos).x)
vec4 getAverage(vec4 cc, vec4 a, vec4 b, vec4 c) {
float realstrength = clamp(strength * lineprob * LINE_DETECT_MUL, 0, MAX_STRENGTH);
return cc * (1 - realstrength) + ((a + b + c) / 3) * realstrength;
}
vec4 getRGBL(vec2 pos) {
return vec4(HOOKED_tex(pos).rgb, LUMAD_tex(pos).x);
}
float min3v(vec4 a, vec4 b, vec4 c) {
return min(min(a.a, b.a), c.a);
}
float max3v(vec4 a, vec4 b, vec4 c) {
return max(max(a.a, b.a), c.a);
}
vec4 hook() {
if (lineprob < LINE_DETECT_THRESHOLD) {
return HOOKED_tex(HOOKED_pos);
}
vec2 d = HOOKED_pt;
vec4 cc = getRGBL(HOOKED_pos);
vec4 t = getRGBL(HOOKED_pos + vec2(0, -d.y));
vec4 tl = getRGBL(HOOKED_pos + vec2(-d.x, -d.y));
vec4 tr = getRGBL(HOOKED_pos + vec2(d.x, -d.y));
vec4 l = getRGBL(HOOKED_pos + vec2(-d.x, 0));
vec4 r = getRGBL(HOOKED_pos + vec2(d.x, 0));
vec4 b = getRGBL(HOOKED_pos + vec2(0, d.y));
vec4 bl = getRGBL(HOOKED_pos + vec2(-d.x, d.y));
vec4 br = getRGBL(HOOKED_pos + vec2(d.x, d.y));
//Kernel 0 and 4
float maxDark = max3v(br, b, bl);
float minLight = min3v(tl, t, tr);
if (minLight > cc.a && minLight > maxDark) {
return getAverage(cc, tl, t, tr);
} else {
maxDark = max3v(tl, t, tr);
minLight = min3v(br, b, bl);
if (minLight > cc.a && minLight > maxDark) {
return getAverage(cc, br, b, bl);
}
}
//Kernel 1 and 5
maxDark = max3v(cc, l, b);
minLight = min3v(r, t, tr);
if (minLight > maxDark) {
return getAverage(cc, r, t, tr);
} else {
maxDark = max3v(cc, r, t);
minLight = min3v(bl, l, b);
if (minLight > maxDark) {
return getAverage(cc, bl, l, b);
}
}
//Kernel 2 and 6
maxDark = max3v(l, tl, bl);
minLight = min3v(r, br, tr);
if (minLight > cc.a && minLight > maxDark) {
return getAverage(cc, r, br, tr);
} else {
maxDark = max3v(r, br, tr);
minLight = min3v(l, tl, bl);
if (minLight > cc.a && minLight > maxDark) {
return getAverage(cc, l, tl, bl);
}
}
//Kernel 3 and 7
maxDark = max3v(cc, l, t);
minLight = min3v(r, br, b);
if (minLight > maxDark) {
return getAverage(cc, r, br, b);
} else {
maxDark = max3v(cc, r, b);
minLight = min3v(t, l, tl);
if (minLight > maxDark) {
return getAverage(cc, t, l, tl);
}
}
return cc;
}