diff options
Diffstat (limited to 'raveos-theme/gnome/theme-data/extensions/installed/blur-my-shell@aunetx/effects/hsl_to_rgb.glsl')
| -rw-r--r-- | raveos-theme/gnome/theme-data/extensions/installed/blur-my-shell@aunetx/effects/hsl_to_rgb.glsl | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/raveos-theme/gnome/theme-data/extensions/installed/blur-my-shell@aunetx/effects/hsl_to_rgb.glsl b/raveos-theme/gnome/theme-data/extensions/installed/blur-my-shell@aunetx/effects/hsl_to_rgb.glsl new file mode 100644 index 0000000..58d2694 --- /dev/null +++ b/raveos-theme/gnome/theme-data/extensions/installed/blur-my-shell@aunetx/effects/hsl_to_rgb.glsl @@ -0,0 +1,14 @@ +uniform sampler2D tex; + +vec3 hsl_to_rgb(vec3 c) { + vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0); + vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www); + return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y); +} + +void main(void) { + vec2 uv = cogl_tex_coord_in[0].xy; + vec4 hsla = texture2D(tex, uv); + vec4 rgba = vec4(hsl_to_rgb(hsla.xyz), hsla.w); + cogl_color_out = rgba; +}
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