Initial commit of WhisperVoice

src/ui/qml/glow.frag

@@ -0,0 +1,40 @@
+#version 440
+
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    float time;
+    float intensity; // 0.0 to 1.0, controlled by Audio Amplitude
+};
+
+float rand(vec2 co) {
+    return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453);
+}
+
+void main() {
+    vec2 uv = qt_TexCoord0;
+    
+    // 1. Base Noise (subtle grain)
+    float noise = rand(uv + vec2(time * 0.01, 0.0));
+    
+    // 2. Radial Glow (bright center, fading to edges)
+    vec2 center = vec2(0.5, 0.5);
+    float dist = distance(uv, center);
+    
+    // Glow strength based on intensity (audio amplitude)
+    // Higher intensity = brighter, wider glow
+    float glowRadius = 0.3 + (intensity * 0.4); // Radius grows with volume
+    float glow = 1.0 - smoothstep(0.0, glowRadius, dist);
+    glow = pow(glow, 2.0); // Sharpen the falloff
+    
+    // 3. Color the glow (warm white/cyan tint)
+    vec3 glowColor = vec3(0.8, 0.9, 1.0); // Slight cyan tint
+    
+    // 4. Combine noise + glow
+    vec3 finalColor = mix(vec3(noise), glowColor, glow * intensity);
+    
+    fragColor = vec4(finalColor, 1.0) * qt_Opacity;
+}