yes

modules/wallpaper-engine/shaders/ccsimple.frag

@@ -0,0 +1,21 @@
+
+#include "common.h"
+
+varying vec2 v_TexCoord;
+
+uniform sampler2D g_Texture0;
+uniform vec4 g_Params; // {"material":"params","default":"1 1 1 0"}
+
+void main()
+{
+	vec4 albedo = texSample2D(g_Texture0, v_TexCoord);
+	albedo.rgb = mix(CAST3(0.5), albedo.rgb, g_Params.y);
+	
+	vec3 hsv = rgb2hsv(albedo.xyz);
+	hsv.z *= g_Params.x;
+	hsv.y *= g_Params.z;
+	hsv.x += g_Params.w;
+	albedo.rgb = hsv2rgb(hsv);
+	
+	gl_FragColor = albedo;
+}