add shader script and keybinds

1 files changed, 43 insertions, 0 deletions

diff --git a/.config/hypr/shaders/07_chromatic_aberration.glsl b/.config/hypr/shaders/07_chromatic_aberration.glsl
new file mode 100755
index 0000000..0f5da19
--- /dev/null
+++ b/.config/hypr/shaders/07_chromatic_aberration.glsl
@@ -0,0 +1,43 @@
+#version 300 es
+// Chromatic Aberration Shader for Hyprland - OPTIMIZED
+// Fixes: Edge clamping, aspect ratio correction, quadratic falloff
+
+precision highp float;
+
+in vec2 v_texcoord;
+uniform sampler2D tex;
+out vec4 fragColor;
+
+// --- CONFIGURATION ---
+const float STRENGTH = 0.010;
+// Set to your monitor's aspect ratio (16/9, 21/9, etc.) or use 1.0 for uncorrected
+const float ASPECT_RATIO = 16.0 / 9.0;
+// Use quadratic falloff for more realistic lens distortion
+const bool QUADRATIC_FALLOFF = true;
+
+void main() {
+    // Aspect-corrected center distance
+    vec2 distFromCenter = v_texcoord - 0.5;
+    distFromCenter.x *= ASPECT_RATIO;
+    
+    // Calculate offset magnitude
+    float dist = length(distFromCenter);
+    float falloff = QUADRATIC_FALLOFF ? dist * dist : dist;
+    
+    // Normalize direction and apply strength
+    vec2 dir = normalize(distFromCenter + 0.0001); // Prevent div by zero
+    vec2 offset = dir * falloff * STRENGTH;
+    offset.x /= ASPECT_RATIO; // Correct back for sampling
+    
+    // Sample with clamped coordinates to prevent edge artifacts
+    vec2 redCoord = clamp(v_texcoord - offset, 0.0, 1.0);
+    vec2 blueCoord = clamp(v_texcoord + offset, 0.0, 1.0);
+    
+    float r = texture(tex, redCoord).r;
+    vec4 centerPixel = texture(tex, v_texcoord);
+    float g = centerPixel.g;
+    float b = texture(tex, blueCoord).b;
+
+    // Preserve alpha from center sample
+    fragColor = vec4(r, g, b, centerPixel.a);
+}