feat: crt/vignette/chromatic-aberration/pixelate shader + dynamischer F10-cycle

config/hypr/shaders/chromatic-aberration.glsl

@@ -0,0 +1,17 @@
+#version 300 es
+precision highp float;
+
+in vec2 v_texcoord;
+uniform sampler2D tex;
+out vec4 fragColor;
+
+void main() {
+    float offset = 0.004;
+
+    float r = texture(tex, v_texcoord + vec2( offset, 0.0)).r;
+    float g = texture(tex, v_texcoord                   ).g;
+    float b = texture(tex, v_texcoord - vec2( offset, 0.0)).b;
+    float a = texture(tex, v_texcoord).a;
+
+    fragColor = vec4(r, g, b, a);
+}

config/hypr/shaders/crt.glsl

@@ -0,0 +1,20 @@
+#version 300 es
+precision highp float;
+
+in vec2 v_texcoord;
+uniform sampler2D tex;
+out vec4 fragColor;
+
+void main() {
+    vec4 c = texture(tex, v_texcoord);
+
+    // Scanlines: jede zweite Zeile leicht abdunkeln
+    float scanline = mod(floor(v_texcoord.y * 1000.0), 2.0);
+    c.rgb *= 1.0 - scanline * 0.25;
+
+    // Leichte Vignette für den Röhren-Look
+    vec2 uv = v_texcoord - 0.5;
+    c.rgb *= 1.0 - dot(uv, uv) * 1.2;
+
+    fragColor = c;
+}

config/hypr/shaders/pixelate.glsl

@@ -0,0 +1,12 @@
+#version 300 es
+precision highp float;
+
+in vec2 v_texcoord;
+uniform sampler2D tex;
+out vec4 fragColor;
+
+void main() {
+    float pixelSize = 0.005;
+    vec2 uv = floor(v_texcoord / pixelSize) * pixelSize;
+    fragColor = texture(tex, uv);
+}

config/hypr/shaders/vignette.glsl

@@ -0,0 +1,16 @@
+#version 300 es
+precision highp float;
+
+in vec2 v_texcoord;
+uniform sampler2D tex;
+out vec4 fragColor;
+
+void main() {
+    vec4 c = texture(tex, v_texcoord);
+
+    vec2 uv = v_texcoord - 0.5;
+    float vignette = 1.0 - dot(uv, uv) * 2.2;
+    c.rgb *= clamp(vignette, 0.0, 1.0);
+
+    fragColor = c;
+}