diff options
Diffstat (limited to 'config/mpv/shaders/Anime4K_Upscale_DTD_x2.glsl')
| -rw-r--r-- | config/mpv/shaders/Anime4K_Upscale_DTD_x2.glsl | 613 |
1 files changed, 613 insertions, 0 deletions
diff --git a/config/mpv/shaders/Anime4K_Upscale_DTD_x2.glsl b/config/mpv/shaders/Anime4K_Upscale_DTD_x2.glsl new file mode 100644 index 0000000..e30c8d7 --- /dev/null +++ b/config/mpv/shaders/Anime4K_Upscale_DTD_x2.glsl @@ -0,0 +1,613 @@ +// 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-DTD-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-DTD-x2-Kernel-X
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND LINELUMA
+//!SAVE MMKERNEL
+//!COMPONENTS 1
+
+#define L_tex LINELUMA_tex
+
+#define SIGMA 1.0
+
+float gaussian(float x, float s, float m) {
+ return (1.0 / (s * sqrt(2.0 * 3.14159))) * exp(-0.5 * pow(abs(x - m) / s, 2.0));
+}
+
+float lumGaussian(vec2 pos, vec2 d) {
+ float s = SIGMA * HOOKED_size.y / 1080.0;
+ float kernel_size = s * 2.0 + 1.0;
+
+ float g = (L_tex(pos).x) * gaussian(0.0, s, 0.0);
+ float gn = gaussian(0.0, s, 0.0);
+
+ g += (L_tex(pos - d).x + L_tex(pos + d).x) * gaussian(1.0, s, 0.0);
+ gn += gaussian(1.0, s, 0.0) * 2.0;
+
+ for (int i=2; float(i)<kernel_size; i++) {
+ g += (L_tex(pos - (d * float(i))).x + L_tex(pos + (d * float(i))).x) * gaussian(float(i), s, 0.0);
+ gn += gaussian(float(i), s, 0.0) * 2.0;
+ }
+
+ return g / gn;
+}
+
+vec4 hook() {
+ return vec4(lumGaussian(HOOKED_pos, vec2(HOOKED_pt.x, 0)));
+}
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2-Kernel-Y
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND LINELUMA
+//!BIND MMKERNEL
+//!SAVE MMKERNEL
+//!COMPONENTS 1
+
+#define L_tex MMKERNEL_tex
+
+#define SIGMA 1.0
+
+float gaussian(float x, float s, float m) {
+ return (1.0 / (s * sqrt(2.0 * 3.14159))) * exp(-0.5 * pow(abs(x - m) / s, 2.0));
+}
+
+float lumGaussian(vec2 pos, vec2 d) {
+ float s = SIGMA * HOOKED_size.y / 1080.0;
+ float kernel_size = s * 2.0 + 1.0;
+
+ float g = (L_tex(pos).x) * gaussian(0.0, s, 0.0);
+ float gn = gaussian(0.0, s, 0.0);
+
+ g += (L_tex(pos - d).x + L_tex(pos + d).x) * gaussian(1.0, s, 0.0);
+ gn += gaussian(1.0, s, 0.0) * 2.0;
+
+ for (int i=2; float(i)<kernel_size; i++) {
+ g += (L_tex(pos - (d * float(i))).x + L_tex(pos + (d * float(i))).x) * gaussian(float(i), s, 0.0);
+ gn += gaussian(float(i), s, 0.0) * 2.0;
+ }
+
+ return g / gn;
+}
+
+vec4 hook() {
+ return vec4(min(LINELUMA_tex(HOOKED_pos).x - lumGaussian(HOOKED_pos, vec2(0, HOOKED_pt.y)), 0.0));
+}
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2-Kernel-X
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND MMKERNEL
+//!SAVE MMKERNEL
+//!COMPONENTS 1
+
+#define L_tex MMKERNEL_tex
+
+#define SIGMA 0.4
+
+float gaussian(float x, float s, float m) {
+ return (1.0 / (s * sqrt(2.0 * 3.14159))) * exp(-0.5 * pow(abs(x - m) / s, 2.0));
+}
+
+float lumGaussian(vec2 pos, vec2 d) {
+ float s = SIGMA * HOOKED_size.y / 1080.0;
+ float kernel_size = s * 2.0 + 1.0;
+
+ float g = (L_tex(pos).x) * gaussian(0.0, s, 0.0);
+ float gn = gaussian(0.0, s, 0.0);
+
+ g += (L_tex(pos - d).x + L_tex(pos + d).x) * gaussian(1.0, s, 0.0);
+ gn += gaussian(1.0, s, 0.0) * 2.0;
+
+ for (int i=2; float(i)<kernel_size; i++) {
+ g += (L_tex(pos - (d * float(i))).x + L_tex(pos + (d * float(i))).x) * gaussian(float(i), s, 0.0);
+ gn += gaussian(float(i), s, 0.0) * 2.0;
+ }
+
+ return g / gn;
+}
+
+vec4 hook() {
+ return vec4(lumGaussian(HOOKED_pos, vec2(HOOKED_pt.x, 0)));
+}
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2-Kernel-Y
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND MMKERNEL
+//!SAVE MMKERNEL
+//!COMPONENTS 1
+
+#define L_tex MMKERNEL_tex
+
+#define SIGMA 0.4
+
+float gaussian(float x, float s, float m) {
+ return (1.0 / (s * sqrt(2.0 * 3.14159))) * exp(-0.5 * pow(abs(x - m) / s, 2.0));
+}
+
+float lumGaussian(vec2 pos, vec2 d) {
+ float s = SIGMA * HOOKED_size.y / 1080.0;
+ float kernel_size = s * 2.0 + 1.0;
+
+ float g = (L_tex(pos).x) * gaussian(0.0, s, 0.0);
+ float gn = gaussian(0.0, s, 0.0);
+
+ g += (L_tex(pos - d).x + L_tex(pos + d).x) * gaussian(1.0, s, 0.0);
+ gn += gaussian(1.0, s, 0.0) * 2.0;
+
+ for (int i=2; float(i)<kernel_size; i++) {
+ g += (L_tex(pos - (d * float(i))).x + L_tex(pos + (d * float(i))).x) * gaussian(float(i), s, 0.0);
+ gn += gaussian(float(i), s, 0.0) * 2.0;
+ }
+
+ return g / gn;
+}
+
+vec4 hook() {
+ return vec4(lumGaussian(HOOKED_pos, vec2(0, HOOKED_pt.y)));
+}
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND MMKERNEL
+
+#define STRENGTH 1.8 //Line darken proportional strength, higher is darker.
+
+vec4 hook() {
+ float c = (MMKERNEL_tex(HOOKED_pos).x) * STRENGTH;
+ //This trick is only possible if the inverse Y->RGB matrix has 1 for every row... (which is the case for BT.709)
+ //Otherwise we would need to convert RGB to YUV, modify Y then convert back to RGB.
+ return HOOKED_tex(HOOKED_pos) + c;
+}
+
+//!DESC Anime4K-v3.2-Upscale-DTD-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-DTD-x2-Kernel-X
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND LINELUMA
+//!SAVE LUMAD
+//!COMPONENTS 2
+
+#define L_tex LINELUMA_tex
+
+vec4 hook() {
+ vec2 d = HOOKED_pt;
+
+ //[tl t tr]
+ //[ l c r]
+ //[bl b br]
+ float l = L_tex(HOOKED_pos + vec2(-d.x, 0)).x;
+ float c = L_tex(HOOKED_pos).x;
+ float r = L_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 Anime4K-v3.2-Upscale-DTD-x2-Kernel-Y
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND LUMAD
+//!SAVE LUMAD
+//!COMPONENTS 1
+
+vec4 hook() {
+ vec2 d = HOOKED_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) / 8.0;
+
+ //Vertical Gradient
+ //[-1 -2 -1]
+ //[ 0 0 0]
+ //[ 1 2 1]
+ 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-Upscale-DTD-x2-Kernel-X
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND LUMAD
+//!SAVE LUMADG
+//!COMPONENTS 1
+
+#define L_tex LUMAD_tex
+
+#define SIGMA (HOOKED_size.y / 1080.0) * 2.0
+#define KERNELSIZE (SIGMA * 2.0 + 1.0)
+
+float gaussian(float x, float s, float m) {
+ return (1.0 / (s * sqrt(2.0 * 3.14159))) * exp(-0.5 * pow(abs(x - m) / s, 2.0));
+}
+
+float lumGaussian(vec2 pos, vec2 d) {
+ float g = (L_tex(pos).x) * gaussian(0.0, SIGMA, 0.0);
+ g = g + (L_tex(pos - d).x + L_tex(pos + d).x) * gaussian(1.0, SIGMA, 0.0);
+ for (int i=2; float(i)<KERNELSIZE; i++) {
+ g = g + (L_tex(pos - (d * float(i))).x + L_tex(pos + (d * float(i))).x) * gaussian(float(i), SIGMA, 0.0);
+ }
+
+ return g;
+}
+
+vec4 hook() {
+ return vec4(lumGaussian(HOOKED_pos, vec2(HOOKED_pt.x, 0)));
+}
+
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2-Kernel-Y
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND LUMAD
+//!BIND LUMADG
+//!SAVE LUMAD
+//!COMPONENTS 1
+
+#define L_tex LUMADG_tex
+
+#define SIGMA (HOOKED_size.y / 1080.0) * 2.0
+#define KERNELSIZE (SIGMA * 2.0 + 1.0)
+
+float gaussian(float x, float s, float m) {
+ return (1.0 / (s * sqrt(2.0 * 3.14159))) * exp(-0.5 * pow(abs(x - m) / s, 2.0));
+}
+
+float lumGaussian(vec2 pos, vec2 d) {
+ float g = (L_tex(pos).x) * gaussian(0.0, SIGMA, 0.0);
+ g = g + (L_tex(pos - d).x + L_tex(pos + d).x) * gaussian(1.0, SIGMA, 0.0);
+ for (int i=2; float(i)<KERNELSIZE; i++) {
+ g = g + (L_tex(pos - (d * float(i))).x + L_tex(pos + (d * float(i))).x) * gaussian(float(i), SIGMA, 0.0);
+ }
+
+ return g;
+}
+
+vec4 hook() {
+ float g = lumGaussian(HOOKED_pos, vec2(0, HOOKED_pt.y));
+ return vec4(g);
+}
+
+
+
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2-Kernel-X
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND LUMAD
+//!SAVE LUMAD2
+//!COMPONENTS 2
+
+vec4 hook() {
+ vec2 d = HOOKED_pt;
+
+ //[tl t tr]
+ //[ l c r]
+ //[bl b br]
+ float l = LUMAD_tex(HOOKED_pos + vec2(-d.x, 0)).x;
+ float c = LUMAD_tex(HOOKED_pos).x;
+ float r = LUMAD_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 Anime4K-v3.2-Upscale-DTD-x2-Kernel-Y
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND LUMAD2
+//!SAVE LUMAD2
+//!COMPONENTS 2
+
+vec4 hook() {
+ vec2 d = HOOKED_pt;
+
+ //[tl t tr]
+ //[ l cc r]
+ //[bl b br]
+ float tx = LUMAD2_tex(HOOKED_pos + vec2(0, -d.y)).x;
+ float cx = LUMAD2_tex(HOOKED_pos).x;
+ float bx = LUMAD2_tex(HOOKED_pos + vec2(0, d.y)).x;
+
+
+ float ty = LUMAD2_tex(HOOKED_pos + vec2(0, -d.y)).y;
+ //float cy = LUMAD2_tex(HOOKED_pos).y;
+ float by = LUMAD2_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) / 8.0;
+
+ //Vertical Gradient
+ //[-1 -2 -1]
+ //[ 0 0 0]
+ //[ 1 2 1]
+ float ygrad = (-ty + by) / 8.0;
+
+ //Computes the luminance's gradient
+ return vec4(xgrad, ygrad, 0, 0);
+}
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND LUMAD
+//!BIND LUMAD2
+//!SAVE MAINTEMPTHIN
+//!WIDTH MAIN.w 2 *
+//!HEIGHT MAIN.h 2 *
+
+#define STRENGTH 0.4 //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.
+
+#define L_tex HOOKED_tex
+
+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 = LUMAD2_tex(pos).xy;
+ vec2 dd = (dn / (length(dn) + 0.01)) * d * relstr; //Quasi-normalization for large vectors, avoids divide by zero
+ pos -= dd;
+ }
+
+ return L_tex(pos);
+
+}
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2-Luma
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND MAINTEMPTHIN
+//!COMPONENTS 1
+//!SAVE MAINTEMP
+//!WIDTH MAIN.w 2 *
+//!HEIGHT MAIN.h 2 *
+
+float get_luma(vec4 rgba) {
+ return dot(vec4(0.299, 0.587, 0.114, 0.0), rgba);
+}
+
+vec4 hook() {
+ return vec4(get_luma(MAINTEMPTHIN_tex(HOOKED_pos)), 0.0, 0.0, 0.0);
+}
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2-Kernel-X
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND MAINTEMP
+//!SAVE MMKERNEL
+//!COMPONENTS 3
+
+#define L_tex MAINTEMP_tex
+
+float max3v(float a, float b, float c) {
+ return max(max(a, b), c);
+}
+float min3v(float a, float b, float c) {
+ return min(min(a, b), c);
+}
+
+vec2 minmax3(vec2 pos, vec2 d) {
+ float a = L_tex(pos - d).x;
+ float b = L_tex(pos).x;
+ float c = L_tex(pos + d).x;
+
+ return vec2(min3v(a, b, c), max3v(a, b, c));
+}
+
+float lumGaussian7(vec2 pos, vec2 d) {
+ float g = (L_tex(pos - (d + d)).x + L_tex(pos + (d + d)).x) * 0.06136;
+ g = g + (L_tex(pos - d).x + L_tex(pos + d).x) * 0.24477;
+ g = g + (L_tex(pos).x) * 0.38774;
+
+ return g;
+}
+
+
+vec4 hook() {
+ return vec4(lumGaussian7(HOOKED_pos, vec2(HOOKED_pt.x, 0)), minmax3(HOOKED_pos, vec2(HOOKED_pt.x, 0)), 0);
+}
+
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2-Kernel-Y
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND MMKERNEL
+//!SAVE MMKERNEL
+//!COMPONENTS 3
+
+#define L_tex MMKERNEL_tex
+
+float max3v(float a, float b, float c) {
+ return max(max(a, b), c);
+}
+float min3v(float a, float b, float c) {
+ return min(min(a, b), c);
+}
+
+vec2 minmax3(vec2 pos, vec2 d) {
+ float a0 = L_tex(pos - d).y;
+ float b0 = L_tex(pos).y;
+ float c0 = L_tex(pos + d).y;
+
+ float a1 = L_tex(pos - d).z;
+ float b1 = L_tex(pos).z;
+ float c1 = L_tex(pos + d).z;
+
+ return vec2(min3v(a0, b0, c0), max3v(a1, b1, c1));
+}
+
+float lumGaussian7(vec2 pos, vec2 d) {
+ float g = (L_tex(pos - (d + d)).x + L_tex(pos + (d + d)).x) * 0.06136;
+ g = g + (L_tex(pos - d).x + L_tex(pos + d).x) * 0.24477;
+ g = g + (L_tex(pos).x) * 0.38774;
+
+ return g;
+}
+
+
+vec4 hook() {
+ return vec4(lumGaussian7(HOOKED_pos, vec2(0, HOOKED_pt.y)), minmax3(HOOKED_pos, vec2(0, HOOKED_pt.y)), 0);
+}
+
+//!DESC Anime4K-v3.2-Upscale-DTD-x2
+//!WHEN OUTPUT.w MAIN.w / 1.200 > OUTPUT.h MAIN.h / 1.200 > *
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND MAINTEMPTHIN
+//!BIND MAINTEMP
+//!BIND MMKERNEL
+//!WIDTH MAIN.w 2 *
+//!HEIGHT MAIN.h 2 *
+
+#define STRENGTH 0.5 //De-blur proportional strength, higher is sharper. However, it is better to tweak BLUR_CURVE instead to avoid ringing.
+#define BLUR_CURVE 0.8 //De-blur power curve, lower is sharper. Good values are between 0.3 - 1. Values greater than 1 softens the image;
+#define BLUR_THRESHOLD 0.1 //Value where curve kicks in, used to not de-blur already sharp edges. Only de-blur values that fall below this threshold.
+#define NOISE_THRESHOLD 0.004 //Value where curve stops, used to not sharpen noise. Only de-blur values that fall above this threshold.
+
+#define L_tex MAINTEMP_tex
+
+vec4 hook() {
+ float c = (L_tex(HOOKED_pos).x - MMKERNEL_tex(HOOKED_pos).x) * STRENGTH;
+
+ float t_range = BLUR_THRESHOLD - NOISE_THRESHOLD;
+
+ float c_t = abs(c);
+ if (c_t > NOISE_THRESHOLD) {
+ c_t = (c_t - NOISE_THRESHOLD) / t_range;
+ c_t = pow(c_t, BLUR_CURVE);
+ c_t = c_t * t_range + NOISE_THRESHOLD;
+ c_t = c_t * sign(c);
+ } else {
+ c_t = c;
+ }
+
+ float cc = clamp(c_t + L_tex(HOOKED_pos).x, MMKERNEL_tex(HOOKED_pos).y, MMKERNEL_tex(HOOKED_pos).z) - L_tex(HOOKED_pos).x;
+
+ //This trick is only possible if the inverse Y->RGB matrix has 1 for every row... (which is the case for BT.709)
+ //Otherwise we would need to convert RGB to YUV, modify Y then convert back to RGB.
+ return MAINTEMPTHIN_tex(HOOKED_pos) + cc;
+}
+
+
+
|