yes

modules/wallpaper-engine/shaders/common_fog.h

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+
+#if FOG_DIST
+uniform vec3 g_FogDistanceColor;
+uniform vec4 g_FogDistanceParams;
+#endif
+
+#if FOG_HEIGHT
+uniform vec3 g_FogHeightColor;
+uniform vec4 g_FogHeightParams;
+#endif
+
+vec2 CalculateFogPixelState(float viewDirLength, float worldPosHeight)
+{
+	vec2 result = CAST2(0);
+#if FOG_DIST
+	result.x = (viewDirLength - g_FogDistanceParams.x) / g_FogDistanceParams.y;
+#endif
+#if FOG_HEIGHT
+	result.y = (worldPosHeight - g_FogHeightParams.x) / g_FogHeightParams.y;
+#endif
+	return result;
+}
+
+vec3 ApplyFog(in vec3 color, in vec2 fogPixelState)
+{
+#if FOG_HEIGHT
+	float fogHeight = saturate(fogPixelState.y);
+	color.rgb = mix(color.rgb, g_FogHeightColor,
+		g_FogHeightParams.z + g_FogHeightParams.w * fogHeight * fogHeight);
+#endif
+#if FOG_DIST
+	float fogDistance = saturate(fogPixelState.x);
+	color.rgb = mix(color.rgb, g_FogDistanceColor,
+		g_FogDistanceParams.z + g_FogDistanceParams.w * fogDistance * fogDistance);
+#endif
+	return color;
+}
+
+float ApplyFogAlpha(in float alpha, in vec2 fogPixelState)
+{
+#if FOG_DIST
+	float fogDistance = saturate(fogPixelState.x);
+	fogDistance = g_FogDistanceParams.z + g_FogDistanceParams.w * fogDistance * fogDistance;
+#else
+	float fogDistance = 0.0;
+#endif
+#if FOG_HEIGHT
+	float fogHeight = saturate(fogPixelState.y);
+	fogHeight = g_FogHeightParams.z + g_FogHeightParams.w * fogHeight * fogHeight;
+#else
+	float fogHeight = 0.0;
+#endif
+	float fogFactor = saturate(max(fogDistance, fogHeight));
+	return alpha * (1.0 - (fogFactor * fogFactor));
+}