mirror of
https://github.com/hyprwm/hyprlock.git
synced 2025-01-09 12:59:49 +01:00
364 lines
No EOL
9.3 KiB
C++
364 lines
No EOL
9.3 KiB
C++
#pragma once
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#include <string>
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inline static constexpr auto ROUNDED_SHADER_FUNC = [](const std::string colorVarName) -> std::string {
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return R"#(
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// branchless baby!
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highp vec2 pixCoord = vec2(gl_FragCoord);
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pixCoord -= topLeft + fullSize * 0.5;
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pixCoord *= vec2(lessThan(pixCoord, vec2(0.0))) * -2.0 + 1.0;
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pixCoord -= fullSize * 0.5 - radius;
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pixCoord += vec2(1.0, 1.0) / fullSize; // center the pix dont make it top-left
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if (pixCoord.x + pixCoord.y > radius) {
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float dist = length(pixCoord);
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if (dist > radius + 1.0)
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discard;
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if (dist > radius - 1.0) {
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float dist = length(pixCoord);
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float normalized = 1.0 - smoothstep(0.0, 1.0, dist - radius + 0.5);
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)#" +
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colorVarName + R"#( = )#" + colorVarName + R"#( * normalized;
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}
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}
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)#";
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};
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inline const std::string QUADVERTSRC = R"#(
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uniform mat3 proj;
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uniform vec4 color;
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attribute vec2 pos;
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attribute vec2 texcoord;
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attribute vec2 texcoordMatte;
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varying vec4 v_color;
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varying vec2 v_texcoord;
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varying vec2 v_texcoordMatte;
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void main() {
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gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);
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v_color = color;
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v_texcoord = texcoord;
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v_texcoordMatte = texcoordMatte;
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})#";
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inline const std::string QUADFRAGSRC = R"#(
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precision highp float;
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varying vec4 v_color;
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uniform vec2 topLeft;
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uniform vec2 fullSize;
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uniform float radius;
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void main() {
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vec4 pixColor = v_color;
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if (radius > 0.0) {
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)#" +
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ROUNDED_SHADER_FUNC("pixColor") + R"#(
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}
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gl_FragColor = pixColor;
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})#";
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inline const std::string TEXVERTSRC = R"#(
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uniform mat3 proj;
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attribute vec2 pos;
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attribute vec2 texcoord;
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varying vec2 v_texcoord;
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void main() {
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gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);
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v_texcoord = texcoord;
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})#";
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inline const std::string TEXFRAGSRCRGBA = R"#(
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precision highp float;
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varying vec2 v_texcoord; // is in 0-1
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uniform sampler2D tex;
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uniform float alpha;
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uniform vec2 topLeft;
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uniform vec2 fullSize;
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uniform float radius;
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uniform int discardOpaque;
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uniform int discardAlpha;
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uniform float discardAlphaValue;
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uniform int applyTint;
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uniform vec3 tint;
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void main() {
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vec4 pixColor = texture2D(tex, v_texcoord);
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if (discardOpaque == 1 && pixColor[3] * alpha == 1.0)
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discard;
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if (discardAlpha == 1 && pixColor[3] <= discardAlphaValue)
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discard;
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if (applyTint == 1) {
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pixColor[0] = pixColor[0] * tint[0];
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pixColor[1] = pixColor[1] * tint[1];
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pixColor[2] = pixColor[2] * tint[2];
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}
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if (radius > 0.0) {
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)#" +
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ROUNDED_SHADER_FUNC("pixColor") + R"#(
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}
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gl_FragColor = pixColor * alpha;
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})#";
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inline const std::string FRAGBLUR1 = R"#(
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#version 100
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precision highp float;
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varying highp vec2 v_texcoord; // is in 0-1
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uniform sampler2D tex;
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uniform float radius;
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uniform vec2 halfpixel;
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uniform int passes;
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uniform float vibrancy;
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uniform float vibrancy_darkness;
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// see http://alienryderflex.com/hsp.html
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const float Pr = 0.299;
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const float Pg = 0.587;
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const float Pb = 0.114;
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// Y is "v" ( brightness ). X is "s" ( saturation )
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// see https://www.desmos.com/3d/a88652b9a4
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// Determines if high brightness or high saturation is more important
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const float a = 0.93;
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const float b = 0.11;
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const float c = 0.66; // Determines the smoothness of the transition of unboosted to boosted colors
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//
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// http://www.flong.com/archive/texts/code/shapers_circ/
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float doubleCircleSigmoid(float x, float a) {
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a = clamp(a, 0.0, 1.0);
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float y = .0;
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if (x <= a) {
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y = a - sqrt(a * a - x * x);
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} else {
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y = a + sqrt(pow(1. - a, 2.) - pow(x - 1., 2.));
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}
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return y;
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}
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vec3 rgb2hsl(vec3 col) {
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float red = col.r;
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float green = col.g;
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float blue = col.b;
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float minc = min(col.r, min(col.g, col.b));
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float maxc = max(col.r, max(col.g, col.b));
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float delta = maxc - minc;
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float lum = (minc + maxc) * 0.5;
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float sat = 0.0;
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float hue = 0.0;
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if (lum > 0.0 && lum < 1.0) {
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float mul = (lum < 0.5) ? (lum) : (1.0 - lum);
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sat = delta / (mul * 2.0);
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}
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if (delta > 0.0) {
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vec3 maxcVec = vec3(maxc);
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vec3 masks = vec3(equal(maxcVec, col)) * vec3(notEqual(maxcVec, vec3(green, blue, red)));
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vec3 adds = vec3(0.0, 2.0, 4.0) + vec3(green - blue, blue - red, red - green) / delta;
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hue += dot(adds, masks);
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hue /= 6.0;
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if (hue < 0.0)
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hue += 1.0;
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}
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return vec3(hue, sat, lum);
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}
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vec3 hsl2rgb(vec3 col) {
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const float onethird = 1.0 / 3.0;
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const float twothird = 2.0 / 3.0;
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const float rcpsixth = 6.0;
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float hue = col.x;
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float sat = col.y;
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float lum = col.z;
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vec3 xt = vec3(0.0);
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if (hue < onethird) {
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xt.r = rcpsixth * (onethird - hue);
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xt.g = rcpsixth * hue;
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xt.b = 0.0;
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} else if (hue < twothird) {
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xt.r = 0.0;
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xt.g = rcpsixth * (twothird - hue);
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xt.b = rcpsixth * (hue - onethird);
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} else
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xt = vec3(rcpsixth * (hue - twothird), 0.0, rcpsixth * (1.0 - hue));
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xt = min(xt, 1.0);
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float sat2 = 2.0 * sat;
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float satinv = 1.0 - sat;
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float luminv = 1.0 - lum;
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float lum2m1 = (2.0 * lum) - 1.0;
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vec3 ct = (sat2 * xt) + satinv;
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vec3 rgb;
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if (lum >= 0.5)
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rgb = (luminv * ct) + lum2m1;
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else
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rgb = lum * ct;
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return rgb;
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}
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void main() {
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vec2 uv = v_texcoord * 2.0;
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vec4 sum = texture2D(tex, uv) * 4.0;
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sum += texture2D(tex, uv - halfpixel.xy * radius);
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sum += texture2D(tex, uv + halfpixel.xy * radius);
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sum += texture2D(tex, uv + vec2(halfpixel.x, -halfpixel.y) * radius);
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sum += texture2D(tex, uv - vec2(halfpixel.x, -halfpixel.y) * radius);
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vec4 color = sum / 8.0;
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if (vibrancy == 0.0) {
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gl_FragColor = color;
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} else {
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// Invert it so that it correctly maps to the config setting
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float vibrancy_darkness1 = 1.0 - vibrancy_darkness;
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// Decrease the RGB components based on their perceived brightness, to prevent visually dark colors from overblowing the rest.
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vec3 hsl = rgb2hsl(color.rgb);
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// Calculate perceived brightness, as not boost visually dark colors like deep blue as much as equally saturated yellow
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float perceivedBrightness = doubleCircleSigmoid(sqrt(color.r * color.r * Pr + color.g * color.g * Pg + color.b * color.b * Pb), 0.8 * vibrancy_darkness1);
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float b1 = b * vibrancy_darkness1;
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float boostBase = hsl[1] > 0.0 ? smoothstep(b1 - c * 0.5, b1 + c * 0.5, 1.0 - (pow(1.0 - hsl[1] * cos(a), 2.0) + pow(1.0 - perceivedBrightness * sin(a), 2.0))) : 0.0;
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float saturation = clamp(hsl[1] + (boostBase * vibrancy) / float(passes), 0.0, 1.0);
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vec3 newColor = hsl2rgb(vec3(hsl[0], saturation, hsl[2]));
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gl_FragColor = vec4(newColor, color[3]);
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}
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}
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)#";
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inline const std::string FRAGBLUR2 = R"#(
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#version 100
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precision highp float;
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varying highp vec2 v_texcoord; // is in 0-1
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uniform sampler2D tex;
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uniform float radius;
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uniform vec2 halfpixel;
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void main() {
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vec2 uv = v_texcoord / 2.0;
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vec4 sum = texture2D(tex, uv + vec2(-halfpixel.x * 2.0, 0.0) * radius);
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sum += texture2D(tex, uv + vec2(-halfpixel.x, halfpixel.y) * radius) * 2.0;
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sum += texture2D(tex, uv + vec2(0.0, halfpixel.y * 2.0) * radius);
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sum += texture2D(tex, uv + vec2(halfpixel.x, halfpixel.y) * radius) * 2.0;
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sum += texture2D(tex, uv + vec2(halfpixel.x * 2.0, 0.0) * radius);
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sum += texture2D(tex, uv + vec2(halfpixel.x, -halfpixel.y) * radius) * 2.0;
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sum += texture2D(tex, uv + vec2(0.0, -halfpixel.y * 2.0) * radius);
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sum += texture2D(tex, uv + vec2(-halfpixel.x, -halfpixel.y) * radius) * 2.0;
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gl_FragColor = sum / 12.0;
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}
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)#";
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inline const std::string FRAGBLURPREPARE = R"#(
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precision highp float;
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varying vec2 v_texcoord; // is in 0-1
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uniform sampler2D tex;
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uniform float contrast;
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uniform float brightness;
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float gain(float x, float k) {
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float a = 0.5 * pow(2.0 * ((x < 0.5) ? x : 1.0 - x), k);
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return (x < 0.5) ? a : 1.0 - a;
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}
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void main() {
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vec4 pixColor = texture2D(tex, v_texcoord);
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// contrast
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if (contrast != 1.0) {
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pixColor.r = gain(pixColor.r, contrast);
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pixColor.g = gain(pixColor.g, contrast);
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pixColor.b = gain(pixColor.b, contrast);
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}
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// brightness
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if (brightness > 1.0) {
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pixColor.rgb *= brightness;
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}
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gl_FragColor = pixColor;
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}
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)#";
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inline const std::string FRAGBLURFINISH = R"#(
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precision highp float;
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varying vec2 v_texcoord; // is in 0-1
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uniform sampler2D tex;
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uniform float noise;
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uniform float brightness;
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uniform int colorize;
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uniform vec3 colorizeTint;
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uniform float boostA;
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float hash(vec2 p) {
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return fract(sin(dot(p, vec2(12.9898, 78.233))) * 43758.5453);
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}
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void main() {
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vec4 pixColor = texture2D(tex, v_texcoord);
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// noise
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float noiseHash = hash(v_texcoord);
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float noiseAmount = (mod(noiseHash, 1.0) - 0.5);
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pixColor.rgb += noiseAmount * noise;
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// brightness
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if (brightness < 1.0) {
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pixColor.rgb *= brightness;
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}
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pixColor.a *= boostA;
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if (colorize == 1) {
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gl_FragColor = vec4(colorizeTint.r * pixColor.a, colorizeTint.g * pixColor.a, colorizeTint.b * pixColor.a, pixColor.a);
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return;
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}
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gl_FragColor = pixColor;
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}
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)#"; |