Migrate all modern fonts to NerdFonts. Small UI improvements around.

app/shaders/passthrough.vert

@@ -26,7 +26,6 @@ layout(std140, binding = 0) uniform ubuf {
     float horizontalSync;
     float horizontalSyncStrength;
     float flickering;
-    float displayTerminalFrame;
     vec2 scaleNoiseSize;
     float screen_brightness;
     float bloom;

app/shaders/terminal_dynamic.frag

@@ -40,7 +40,6 @@ layout(std140, binding = 0) uniform ubuf {
     float horizontalSync;
     float horizontalSyncStrength;
     float flickering;
-    float displayTerminalFrame;
     vec2 scaleNoiseSize;
     float frameShininess;
     float frameSize;

app/shaders/terminal_dynamic.vert

@@ -23,7 +23,6 @@ layout(std140, binding = 0) uniform ubuf {
     float horizontalSync;
     float horizontalSyncStrength;
     float flickering;
-    float displayTerminalFrame;
     vec2 scaleNoiseSize;
     float frameShininess;
     float frameSize;

app/shaders/terminal_frame.frag

@@ -17,6 +17,7 @@ layout(std140, binding = 0) uniform ubuf {
 
 float min2(vec2 v) { return min(v.x, v.y); }
 float prod2(vec2 v) { return v.x * v.y; }
+float rand2(vec2 v) { return fract(sin(dot(v, vec2(12.9898, 78.233))) * 43758.5453); }
 
 vec2 distortCoordinates(vec2 coords){
     vec2 paddedCoords = coords * (vec2(1.0) + frameSize * 2.0) - frameSize;
@@ -38,8 +39,6 @@ void main() {
     vec2 staticCoords = qt_TexCoord0;
     vec2 coords = distortCoordinates(staticCoords);
 
-    float depth = 1.0 - 5.0 * min(min2(staticCoords), min2(vec2(1.0) - staticCoords));
-
     float screenRadiusPixels = screenRadius;
     float edgeSoftPixels = 1.0;
 
@@ -63,15 +62,18 @@ void main() {
     );
 
     float distPixels = roundedRectSdfPixels(coords, vec2(0.0), vec2(1.0), screenRadiusPixels);
-    float frameShadow = (e * 0.66 + w * 0.66 + n * 0.33 + s) * depth;
+    float frameShadow = (e * 0.66 + w * 0.66 + n * 0.33 + s);
     frameShadow *= smoothstep(0.0, edgeSoftPixels * 5.0, distPixels);
 
     float frameAlpha = 1.0 - frameShininess * 0.4;
 
     float inScreen = smoothstep(0.0, edgeSoftPixels, -distPixels);
-    float alpha = mix(frameAlpha, mix(0.0, 0.2, ambientLight), inScreen);
-    float glass = clamp(ambientLight * pow(prod2(coords * (1.0 - coords.yx)) * 50.0, 0.25) * inScreen, 0.0, 1.0);
-    vec3 color = mix(frameColor.rgb * frameShadow, vec3(glass), inScreen);
+    float alpha = mix(frameAlpha, mix(0.0, 0.3, ambientLight), inScreen);
+    float glass = clamp(ambientLight * pow(prod2(coords * (1.0 - coords.yx)) * 25.0, 0.5) * inScreen, 0.0, 1.0);
+    vec3 frameTint = frameColor.rgb * frameShadow;
+    float noise = rand2(staticCoords * viewportSize) - 0.5;
+    frameTint = clamp(frameTint + vec3(noise * 0.04), 0.0, 1.0);
+    vec3 color = mix(frameTint, vec3(glass), inScreen);
 
     fragColor = vec4(color, alpha) * qt_Opacity;
 }

app/shaders/terminal_static.frag

@@ -32,6 +32,7 @@ layout(binding = 2) uniform sampler2D bloomSource;
 
 float min2(vec2 v) { return min(v.x, v.y); }
 float max2(vec2 v) { return max(v.x, v.y); }
+float rand2(vec2 v) { return fract(sin(dot(v, vec2(12.9898, 78.233))) * 43758.5453); }
 vec2 distortCoordinates(vec2 coords){
     vec2 paddedCoords = coords * (vec2(1.0) + frameSize * 2.0) - frameSize;
     vec2 cc = (paddedCoords - vec2(0.5));
@@ -89,5 +90,9 @@ void main() {
 #endif
 
     finalColor *= screen_brightness;
+
+    float noise = rand2(qt_TexCoord0) - 0.5;
+    finalColor = clamp(finalColor + vec3(noise * 0.025), 0.0, 1.0);
+
     fragColor = vec4(finalColor, qt_Opacity);
 }