1 files changed, 30 insertions, 0 deletions
diff --git a/.config/hypr/shaders/11_invert.glsl b/.config/hypr/shaders/11_invert.glsl
new file mode 100755
index 0000000..307b45d
--- /dev/null
+++ b/.config/hypr/shaders/11_invert.glsl
@@ -0,0 +1,30 @@
+#version 300 es
+// Invert Colors Shader - OPTIMIZED
+// Added: Optional luminance-preserving mode
+
+precision highp float;
+
+in vec2 v_texcoord;
+uniform sampler2D tex;
+out vec4 fragColor;
+
+// Set true for "smart invert" that preserves relative brightness
+const bool PRESERVE_LUMINANCE = false;
+const vec3 LUMA = vec3(0.2126, 0.7152, 0.0722);
+
+void main() {
+    vec4 color = texture(tex, v_texcoord);
+    vec3 inverted = 1.0 - color.rgb;
+    
+    if (PRESERVE_LUMINANCE) {
+        // Adjust inverted colors to match original luminance
+        float origLuma = dot(color.rgb, LUMA);
+        float invLuma = dot(inverted, LUMA);
+        if (invLuma > 0.001) {
+            inverted *= origLuma / invLuma;
+            inverted = clamp(inverted, 0.0, 1.0);
+        }
+    }
+    
+    fragColor = vec4(inverted, color.a);
+}