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Patrick Alvin Alcala 2025-06-26 16:53:43 +08:00
commit 209ba130c0
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43
.config/hypr/shaders/blue-light-filter-25.glsl Normal file
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// from https://github.com/hyprwm/Hyprland/issues/1140#issuecomment-1335128437
precision highp float;
varying vec2 v_texcoord;
uniform sampler2D tex;
const float temperature = 3000.0;
const float temperatureStrength = 0.25;
#define WithQuickAndDirtyLuminancePreservation
const float LuminancePreservationFactor = 1.0;
// function from https://www.shadertoy.com/view/4sc3D7
// valid from 1000 to 40000 K (and additionally 0 for pure full white)
vec3 colorTemperatureToRGB(const in float temperature) {
// values from: http://blenderartists.org/forum/showthread.php?270332-OSL-Goodness&p=2268693&viewfull=1#post2268693
mat3 m = (temperature <= 6500.0) ? mat3(vec3(0.0, -2902.1955373783176, -8257.7997278925690),
vec3(0.0, 1669.5803561666639, 2575.2827530017594),
vec3(1.0, 1.3302673723350029, 1.8993753891711275))
: mat3(vec3(1745.0425298314172, 1216.6168361476490, -8257.7997278925690),
vec3(-2666.3474220535695, -2173.1012343082230, 2575.2827530017594),
vec3(0.55995389139931482, 0.70381203140554553, 1.8993753891711275));
return mix(clamp(vec3(m[0] / (vec3(clamp(temperature, 1000.0, 40000.0)) + m[1]) + m[2]), vec3(0.0), vec3(1.0)),
vec3(1.0), smoothstep(1000.0, 0.0, temperature));
}
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
// RGB
vec3 color = vec3(pixColor[0], pixColor[1], pixColor[2]);
#ifdef WithQuickAndDirtyLuminancePreservation
color *= mix(1.0, dot(color, vec3(0.2126, 0.7152, 0.0722)) / max(dot(color, vec3(0.2126, 0.7152, 0.0722)), 1e-5),
LuminancePreservationFactor);
#endif
color = mix(color, color * colorTemperatureToRGB(temperature), temperatureStrength);
vec4 outCol = vec4(color, pixColor[3]);
gl_FragColor = outCol;
}

43
.config/hypr/shaders/blue-light-filter-50.glsl Normal file
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// from https://github.com/hyprwm/Hyprland/issues/1140#issuecomment-1335128437
precision highp float;
varying vec2 v_texcoord;
uniform sampler2D tex;
const float temperature = 3000.0;
const float temperatureStrength = 0.5;
#define WithQuickAndDirtyLuminancePreservation
const float LuminancePreservationFactor = 1.0;
// function from https://www.shadertoy.com/view/4sc3D7
// valid from 1000 to 40000 K (and additionally 0 for pure full white)
vec3 colorTemperatureToRGB(const in float temperature) {
// values from: http://blenderartists.org/forum/showthread.php?270332-OSL-Goodness&p=2268693&viewfull=1#post2268693
mat3 m = (temperature <= 6500.0) ? mat3(vec3(0.0, -2902.1955373783176, -8257.7997278925690),
vec3(0.0, 1669.5803561666639, 2575.2827530017594),
vec3(1.0, 1.3302673723350029, 1.8993753891711275))
: mat3(vec3(1745.0425298314172, 1216.6168361476490, -8257.7997278925690),
vec3(-2666.3474220535695, -2173.1012343082230, 2575.2827530017594),
vec3(0.55995389139931482, 0.70381203140554553, 1.8993753891711275));
return mix(clamp(vec3(m[0] / (vec3(clamp(temperature, 1000.0, 40000.0)) + m[1]) + m[2]), vec3(0.0), vec3(1.0)),
vec3(1.0), smoothstep(1000.0, 0.0, temperature));
}
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
// RGB
vec3 color = vec3(pixColor[0], pixColor[1], pixColor[2]);
#ifdef WithQuickAndDirtyLuminancePreservation
color *= mix(1.0, dot(color, vec3(0.2126, 0.7152, 0.0722)) / max(dot(color, vec3(0.2126, 0.7152, 0.0722)), 1e-5),
LuminancePreservationFactor);
#endif
color = mix(color, color * colorTemperatureToRGB(temperature), temperatureStrength);
vec4 outCol = vec4(color, pixColor[3]);
gl_FragColor = outCol;
}

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.config/hypr/shaders/blue-light-filter-75.glsl Normal file
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// from https://github.com/hyprwm/Hyprland/issues/1140#issuecomment-1335128437
precision highp float;
varying vec2 v_texcoord;
uniform sampler2D tex;
const float temperature = 3000.0;
const float temperatureStrength = 0.75;
#define WithQuickAndDirtyLuminancePreservation
const float LuminancePreservationFactor = 1.0;
// function from https://www.shadertoy.com/view/4sc3D7
// valid from 1000 to 40000 K (and additionally 0 for pure full white)
vec3 colorTemperatureToRGB(const in float temperature) {
// values from: http://blenderartists.org/forum/showthread.php?270332-OSL-Goodness&p=2268693&viewfull=1#post2268693
mat3 m = (temperature <= 6500.0) ? mat3(vec3(0.0, -2902.1955373783176, -8257.7997278925690),
vec3(0.0, 1669.5803561666639, 2575.2827530017594),
vec3(1.0, 1.3302673723350029, 1.8993753891711275))
: mat3(vec3(1745.0425298314172, 1216.6168361476490, -8257.7997278925690),
vec3(-2666.3474220535695, -2173.1012343082230, 2575.2827530017594),
vec3(0.55995389139931482, 0.70381203140554553, 1.8993753891711275));
return mix(clamp(vec3(m[0] / (vec3(clamp(temperature, 1000.0, 40000.0)) + m[1]) + m[2]), vec3(0.0), vec3(1.0)),
vec3(1.0), smoothstep(1000.0, 0.0, temperature));
}
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
// RGB
vec3 color = vec3(pixColor[0], pixColor[1], pixColor[2]);
#ifdef WithQuickAndDirtyLuminancePreservation
color *= mix(1.0, dot(color, vec3(0.2126, 0.7152, 0.0722)) / max(dot(color, vec3(0.2126, 0.7152, 0.0722)), 1e-5),
LuminancePreservationFactor);
#endif
color = mix(color, color * colorTemperatureToRGB(temperature), temperatureStrength);
vec4 outCol = vec4(color, pixColor[3]);
gl_FragColor = outCol;
}

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.config/hypr/shaders/invert-colors.glsl Normal file
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precision highp float;
varying vec2 v_texcoord;
uniform sampler2D tex;
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
gl_FragColor = vec4(1.0 - pixColor.r, 1.0 - pixColor.g, 1.0 - pixColor.b, pixColor.a);
}