mirror of https://git.davidovski.xyz/dot.git
235 lines
6.3 KiB
GLSL
235 lines
6.3 KiB
GLSL
// MIT License
|
|
|
|
// Copyright (c) 2019-2021 bloc97
|
|
// All rights reserved.
|
|
|
|
// 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 Anime4K-v3.2-Thin-(Fast)-Luma
|
|
//!HOOK MAIN
|
|
//!BIND HOOKED
|
|
//!SAVE LINELUMA
|
|
//!COMPONENTS 1
|
|
|
|
float get_luma(vec4 rgba) {
|
|
return dot(vec4(0.299, 0.587, 0.114, 0.0), rgba);
|
|
}
|
|
|
|
vec4 hook() {
|
|
return vec4(get_luma(HOOKED_tex(HOOKED_pos)), 0.0, 0.0, 0.0);
|
|
}
|
|
|
|
//!DESC Anime4K-v3.2-Thin-(Fast)-Sobel-X
|
|
//!HOOK MAIN
|
|
//!BIND LINELUMA
|
|
//!SAVE LINESOBEL
|
|
//!WIDTH HOOKED.w 2 /
|
|
//!HEIGHT HOOKED.h 2 /
|
|
//!COMPONENTS 2
|
|
|
|
vec4 hook() {
|
|
float l = LINELUMA_texOff(vec2(-1.0, 0.0)).x;
|
|
float c = LINELUMA_tex(LINELUMA_pos).x;
|
|
float r = LINELUMA_texOff(vec2(1.0, 0.0)).x;
|
|
|
|
float xgrad = (-l + r);
|
|
float ygrad = (l + c + c + r);
|
|
|
|
return vec4(xgrad, ygrad, 0.0, 0.0);
|
|
}
|
|
|
|
|
|
//!DESC Anime4K-v3.2-Thin-(Fast)-Sobel-Y
|
|
//!HOOK MAIN
|
|
//!BIND LINESOBEL
|
|
//!SAVE LINESOBEL
|
|
//!WIDTH HOOKED.w 2 /
|
|
//!HEIGHT HOOKED.h 2 /
|
|
//!COMPONENTS 1
|
|
|
|
vec4 hook() {
|
|
float tx = LINESOBEL_texOff(vec2(0.0, -0.5)).x;
|
|
float cx = LINESOBEL_tex(LINESOBEL_pos).x;
|
|
float bx = LINESOBEL_texOff(vec2(0.0, 0.5)).x;
|
|
|
|
float ty = LINESOBEL_texOff(vec2(0.0, -0.5)).y;
|
|
float by = LINESOBEL_texOff(vec2(0.0, 0.5)).y;
|
|
|
|
float xgrad = (tx + cx + cx + bx) / 8.0;
|
|
|
|
float ygrad = (-ty + by) / 8.0;
|
|
|
|
//Computes the luminance's gradient
|
|
float norm = sqrt(xgrad * xgrad + ygrad * ygrad);
|
|
return vec4(pow(norm, 0.7));
|
|
}
|
|
|
|
|
|
//!DESC Anime4K-v3.2-Thin-(Fast)-Gaussian-X
|
|
//!HOOK MAIN
|
|
//!BIND HOOKED
|
|
//!BIND LINESOBEL
|
|
//!SAVE LINESOBEL
|
|
//!WIDTH HOOKED.w 2 /
|
|
//!HEIGHT HOOKED.h 2 /
|
|
//!COMPONENTS 1
|
|
|
|
#define SPATIAL_SIGMA (1.0 * float(HOOKED_size.y) / 1080.0) //Spatial window size, must be a positive real number.
|
|
|
|
#define KERNELSIZE (max(int(ceil(SPATIAL_SIGMA * 2.0)), 1) * 2 + 1) //Kernel size, must be an positive odd integer.
|
|
#define KERNELHALFSIZE (int(KERNELSIZE/2)) //Half of the kernel size without remainder. Must be equal to trunc(KERNELSIZE/2).
|
|
#define KERNELLEN (KERNELSIZE * KERNELSIZE) //Total area of kernel. Must be equal to KERNELSIZE * KERNELSIZE.
|
|
|
|
float gaussian(float x, float s, float m) {
|
|
float scaled = (x - m) / s;
|
|
return exp(-0.5 * scaled * scaled);
|
|
}
|
|
|
|
float comp_gaussian_x() {
|
|
|
|
float g = 0.0;
|
|
float gn = 0.0;
|
|
|
|
for (int i=0; i<KERNELSIZE; i++) {
|
|
float di = float(i - KERNELHALFSIZE);
|
|
float gf = gaussian(di, SPATIAL_SIGMA, 0.0);
|
|
|
|
g = g + LINESOBEL_texOff(vec2(di, 0.0)).x * gf;
|
|
gn = gn + gf;
|
|
|
|
}
|
|
|
|
return g / gn;
|
|
}
|
|
|
|
vec4 hook() {
|
|
return vec4(comp_gaussian_x(), 0.0, 0.0, 0.0);
|
|
}
|
|
|
|
|
|
//!DESC Anime4K-v3.2-Thin-(Fast)-Gaussian-Y
|
|
//!HOOK MAIN
|
|
//!BIND HOOKED
|
|
//!BIND LINESOBEL
|
|
//!SAVE LINESOBEL
|
|
//!WIDTH HOOKED.w 2 /
|
|
//!HEIGHT HOOKED.h 2 /
|
|
//!COMPONENTS 1
|
|
|
|
#define SPATIAL_SIGMA (1.0 * float(HOOKED_size.y) / 1080.0) //Spatial window size, must be a positive real number.
|
|
|
|
#define KERNELSIZE (max(int(ceil(SPATIAL_SIGMA * 2.0)), 1) * 2 + 1) //Kernel size, must be an positive odd integer.
|
|
#define KERNELHALFSIZE (int(KERNELSIZE/2)) //Half of the kernel size without remainder. Must be equal to trunc(KERNELSIZE/2).
|
|
#define KERNELLEN (KERNELSIZE * KERNELSIZE) //Total area of kernel. Must be equal to KERNELSIZE * KERNELSIZE.
|
|
|
|
float gaussian(float x, float s, float m) {
|
|
float scaled = (x - m) / s;
|
|
return exp(-0.5 * scaled * scaled);
|
|
}
|
|
|
|
float comp_gaussian_y() {
|
|
|
|
float g = 0.0;
|
|
float gn = 0.0;
|
|
|
|
for (int i=0; i<KERNELSIZE; i++) {
|
|
float di = float(i - KERNELHALFSIZE);
|
|
float gf = gaussian(di, SPATIAL_SIGMA, 0.0);
|
|
|
|
g = g + LINESOBEL_texOff(vec2(0.0, di)).x * gf;
|
|
gn = gn + gf;
|
|
|
|
}
|
|
|
|
return g / gn;
|
|
}
|
|
|
|
vec4 hook() {
|
|
return vec4(comp_gaussian_y(), 0.0, 0.0, 0.0);
|
|
}
|
|
|
|
//!DESC Anime4K-v3.2-Thin-(Fast)-Kernel-X
|
|
//!HOOK MAIN
|
|
//!BIND LINESOBEL
|
|
//!SAVE LINESOBEL
|
|
//!WIDTH HOOKED.w 2 /
|
|
//!HEIGHT HOOKED.h 2 /
|
|
//!COMPONENTS 2
|
|
|
|
vec4 hook() {
|
|
float l = LINESOBEL_texOff(vec2(-0.5, 0.0)).x;
|
|
float c = LINESOBEL_tex(LINESOBEL_pos).x;
|
|
float r = LINESOBEL_texOff(vec2(0.5, 0.0)).x;
|
|
|
|
float xgrad = (-l + r);
|
|
float ygrad = (l + c + c + r);
|
|
|
|
return vec4(xgrad, ygrad, 0.0, 0.0);
|
|
}
|
|
|
|
|
|
//!DESC Anime4K-v3.2-Thin-(Fast)-Kernel-Y
|
|
//!HOOK MAIN
|
|
//!BIND LINESOBEL
|
|
//!SAVE LINESOBEL
|
|
//!WIDTH HOOKED.w 2 /
|
|
//!HEIGHT HOOKED.h 2 /
|
|
//!COMPONENTS 2
|
|
|
|
vec4 hook() {
|
|
float tx = LINESOBEL_texOff(vec2(0.0, -0.5)).x;
|
|
float cx = LINESOBEL_tex(LINESOBEL_pos).x;
|
|
float bx = LINESOBEL_texOff(vec2(0.0, 0.5)).x;
|
|
|
|
float ty = LINESOBEL_texOff(vec2(0.0, -0.5)).y;
|
|
float by = LINESOBEL_texOff(vec2(0.0, 0.5)).y;
|
|
|
|
float xgrad = (tx + cx + cx + bx) / 8.0;
|
|
|
|
float ygrad = (-ty + by) / 8.0;
|
|
|
|
//Computes the luminance's gradient
|
|
return vec4(xgrad, ygrad, 0.0, 0.0);
|
|
}
|
|
|
|
|
|
//!DESC Anime4K-v3.2-Thin-(Fast)-Warp
|
|
//!HOOK MAIN
|
|
//!BIND HOOKED
|
|
//!BIND LINESOBEL
|
|
|
|
#define STRENGTH 0.6 //Strength of warping for each iteration
|
|
#define ITERATIONS 1 //Number of iterations for the forwards solver, decreasing strength and increasing iterations improves quality at the cost of speed.
|
|
|
|
vec4 hook() {
|
|
vec2 d = HOOKED_pt;
|
|
|
|
float relstr = HOOKED_size.y / 1080.0 * STRENGTH;
|
|
|
|
vec2 pos = HOOKED_pos;
|
|
for (int i=0; i<ITERATIONS; i++) {
|
|
vec2 dn = LINESOBEL_tex(pos).xy;
|
|
vec2 dd = (dn / (length(dn) + 0.01)) * d * relstr; //Quasi-normalization for large vectors, avoids divide by zero
|
|
pos -= dd;
|
|
}
|
|
|
|
return HOOKED_tex(pos);
|
|
|
|
}
|