From 01ced0b7ce47d279789efb2dc70d1cd009ac56ad Mon Sep 17 00:00:00 2001 From: davidovski Date: Sat, 9 Oct 2021 22:20:41 +0100 Subject: initial commit --- .../mpv/shaders/Anime4K_Upscale_Original_x2.glsl | 277 +++++++++++++++++++++ 1 file changed, 277 insertions(+) create mode 100644 config/mpv/shaders/Anime4K_Upscale_Original_x2.glsl (limited to 'config/mpv/shaders/Anime4K_Upscale_Original_x2.glsl') diff --git a/config/mpv/shaders/Anime4K_Upscale_Original_x2.glsl b/config/mpv/shaders/Anime4K_Upscale_Original_x2.glsl new file mode 100644 index 0000000..fea93f4 --- /dev/null +++ b/config/mpv/shaders/Anime4K_Upscale_Original_x2.glsl @@ -0,0 +1,277 @@ +// 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-Upscale-Original-x2-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-Upscale-Original-x2-Kernel-X +//!HOOK MAIN +//!BIND HOOKED +//!BIND LINELUMA +//!SAVE LUMAD +//!WIDTH MAIN.w 2 * +//!HEIGHT MAIN.h 2 * +//!COMPONENTS 2 + +vec4 hook() { + vec2 d = HOOKED_pt; + + //[tl t tr] + //[ l c r] + //[bl b br] + float l = LINELUMA_tex(HOOKED_pos + vec2(-d.x, 0.0)).x; + float c = LINELUMA_tex(HOOKED_pos).x; + float r = LINELUMA_tex(HOOKED_pos + vec2(d.x, 0.0)).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, 0.0); +} + + +//!DESC Anime4K-v3.2-Upscale-Original-x2-Kernel-Y +//!HOOK MAIN +//!BIND HOOKED +//!BIND LUMAD +//!SAVE LUMAD +//!WIDTH MAIN.w 2 * +//!HEIGHT MAIN.h 2 * +//!COMPONENTS 2 + + +/* --------------------- SETTINGS --------------------- */ + +//Strength of edge refinement, good values are between 0.2 and 4 +#define REFINE_STRENGTH 0.5 + + +/* --- MODIFY THESE SETTINGS BELOW AT YOUR OWN RISK --- */ + +//Bias of the refinement function, good values are between 0 and 1 +#define REFINE_BIAS 0.0 + +//Polynomial fit obtained by minimizing MSE error on image +#define P5 ( 11.68129591) +#define P4 (-42.46906057) +#define P3 ( 60.28286266) +#define P2 (-41.84451327) +#define P1 ( 14.05517353) +#define P0 (-1.081521930) + +/* ----------------- END OF SETTINGS ----------------- */ + +float power_function(float x) { + float x2 = x * x; + float x3 = x2 * x; + float x4 = x2 * x2; + float x5 = x2 * x3; + + return P5*x5 + P4*x4 + P3*x3 + P2*x2 + P1*x + P0; +} + +vec4 hook() { + vec2 d = HOOKED_pt; + + //[tl t tr] + //[ l cc r] + //[bl b br] + float tx = LUMAD_tex(HOOKED_pos + vec2(0.0, -d.y)).x; + float cx = LUMAD_tex(HOOKED_pos).x; + float bx = LUMAD_tex(HOOKED_pos + vec2(0.0, d.y)).x; + + + float ty = LUMAD_tex(HOOKED_pos + vec2(0.0, -d.y)).y; + //float cy = LUMAD_tex(HOOKED_pos).y; + float by = LUMAD_tex(HOOKED_pos + vec2(0.0, 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 + float sobel_norm = clamp(sqrt(xgrad * xgrad + ygrad * ygrad), 0.0, 1.0); + + float dval = clamp(power_function(clamp(sobel_norm, 0.0, 1.0)) * REFINE_STRENGTH + REFINE_BIAS, 0.0, 1.0); + + return vec4(sobel_norm, dval, 0.0, 0.0); +} + +//!DESC Anime4K-v3.2-Upscale-Original-x2-Kernel-X +//!HOOK MAIN +//!BIND HOOKED +//!BIND LUMAD +//!SAVE LUMAMM +//!WIDTH MAIN.w 2 * +//!HEIGHT MAIN.h 2 * +//!COMPONENTS 2 + + +vec4 hook() { + vec2 d = HOOKED_pt; + + if (LUMAD_tex(HOOKED_pos).y < 0.1) { + return vec4(0.0); + } + + //[tl t tr] + //[ l c r] + //[bl b br] + float l = LUMAD_tex(HOOKED_pos + vec2(-d.x, 0.0)).x; + float c = LUMAD_tex(HOOKED_pos).x; + float r = LUMAD_tex(HOOKED_pos + vec2(d.x, 0.0)).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); + + + return vec4(xgrad, ygrad, 0.0, 0.0); +} + + +//!DESC Anime4K-v3.2-Upscale-Original-x2-Kernel-Y +//!HOOK MAIN +//!BIND HOOKED +//!BIND LUMAD +//!BIND LUMAMM +//!SAVE LUMAMM +//!WIDTH MAIN.w 2 * +//!HEIGHT MAIN.h 2 * +//!COMPONENTS 2 + +vec4 hook() { + vec2 d = HOOKED_pt; + + if (LUMAD_tex(HOOKED_pos).y < 0.1) { + return vec4(0.0); + } + + //[tl t tr] + //[ l cc r] + //[bl b br] + float tx = LUMAMM_tex(HOOKED_pos + vec2(0.0, -d.y)).x; + float cx = LUMAMM_tex(HOOKED_pos).x; + float bx = LUMAMM_tex(HOOKED_pos + vec2(0.0, d.y)).x; + + float ty = LUMAMM_tex(HOOKED_pos + vec2(0.0, -d.y)).y; + //float cy = LUMAMM_tex(HOOKED_pos).y; + float by = LUMAMM_tex(HOOKED_pos + vec2(0.0, 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); + + float norm = sqrt(xgrad * xgrad + ygrad * ygrad); + if (norm <= 0.001) { + xgrad = 0.0; + ygrad = 0.0; + norm = 1.0; + } + + return vec4(xgrad/norm, ygrad/norm, 0.0, 0.0); +} + + +//!DESC Anime4K-v3.2-Upscale-Original-x2-Apply +//!HOOK MAIN +//!BIND HOOKED +//!BIND LUMAD +//!BIND LUMAMM +//!WIDTH MAIN.w 2 * +//!HEIGHT MAIN.h 2 * + + +vec4 hook() { + vec2 d = HOOKED_pt; + + float dval = LUMAD_tex(HOOKED_pos).y; + if (dval < 0.1) { + return HOOKED_tex(HOOKED_pos); + } + + vec4 dc = LUMAMM_tex(HOOKED_pos); + if (abs(dc.x + dc.y) <= 0.0001) { + return HOOKED_tex(HOOKED_pos); + } + + float xpos = -sign(dc.x); + float ypos = -sign(dc.y); + + vec4 xval = HOOKED_tex(HOOKED_pos + vec2(d.x * xpos, 0.0)); + vec4 yval = HOOKED_tex(HOOKED_pos + vec2(0.0, d.y * ypos)); + + float xyratio = abs(dc.x) / (abs(dc.x) + abs(dc.y)); + + vec4 avg = xyratio * xval + (1.0 - xyratio) * yval; + + return avg * dval + HOOKED_tex(HOOKED_pos) * (1.0 - dval); + +} -- cgit v1.2.1