yes

modules/wallpaper-engine/effects/blurradial/preview/shaders/effects/blur_radial_gaussian.frag

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+
+// [COMBO] {"material":"ui_editor_properties_blur_alpha","combo":"BLURALPHA","type":"options","default":1}
+
+#include "common.h"
+#include "common_blur.h"
+
+varying vec2 v_TexCoord;
+
+uniform sampler2D g_Texture0; // {"hidden":true}
+uniform sampler2D g_Texture1; // {"label":"ui_editor_properties_opacity_mask","mode":"opacitymask","combo":"MASK","paintdefaultcolor":"0 0 0 1"}
+
+uniform float u_Scale; // {"default":1,"label":"ui_editor_properties_scale","material":"scale","range":[0.01,2.0]}
+uniform vec2 u_Center; // {"material":"ui_editor_properties_center","position":true,"default":"0.5 0.5"}
+
+#if MASK
+varying vec2 v_TexCoordMask;
+#endif
+
+vec4 blurRadial13a(vec2 u, float amt)
+{
+	vec2 center = u_Center;
+	vec2 delta = u - center;
+	amt = amt * 0.025;
+	float o1 = 1.4091998770852122 * amt;
+	float o2 = 3.2979348079914822 * amt;
+	float o3 = 5.2062900776825969 * amt;
+	vec2 r1 = rotateVec2(delta, o1) - delta;
+	vec2 r2 = rotateVec2(delta, o2) - delta;
+	vec2 r3 = rotateVec2(delta, o3) - delta;
+	return texSample2D(g_Texture0, u) * 0.1976406528809576
+	+ texSample2D(g_Texture0, center + r1 + delta) * 0.2959855056006557
+	+ texSample2D(g_Texture0, center - r1 + delta) * 0.2959855056006557
+	+ texSample2D(g_Texture0, center + r2 + delta) * 0.0935333619980593
+	+ texSample2D(g_Texture0, center - r2 + delta) * 0.0935333619980593
+	+ texSample2D(g_Texture0, center + r3 + delta) * 0.0116608059608062
+	+ texSample2D(g_Texture0, center - r3 + delta) * 0.0116608059608062;
+}
+
+vec4 blurRadial7a(vec2 u, float amt)
+{
+	vec2 center = u_Center;
+	vec2 delta = u - center;
+	amt = amt * 0.025;
+	float o1 = 2.3515644035337887 * amt;
+	float o2 = 0.469433779698372 * amt;
+	float o3 = 1.4091998770852121 * amt;
+	float o4 = 3 * amt;
+	vec2 r1 = rotateVec2(delta, o1) - delta;
+	vec2 r2 = rotateVec2(delta, o2) - delta;
+	vec2 r3 = rotateVec2(delta, -o3) - delta;
+	vec2 r4 = rotateVec2(delta, -o4) - delta;
+
+	return texSample2D(g_Texture0, center + r1 + delta) * 0.2028175528299753
+	+ texSample2D(g_Texture0, center + r2 + delta) * 0.4044856614512112
+	+ texSample2D(g_Texture0, center + r3 + delta) * 0.3213933537319605
+	+ texSample2D(g_Texture0, center + r4 + delta) * 0.0713034319868530;
+}
+
+vec4 blurRadial3a(vec2 u, float amt)
+{
+	vec2 center = u_Center;
+	vec2 delta = u - center;
+	amt = amt * 0.025;
+	float o1 = amt;
+	vec2 r1 = rotateVec2(delta, o1) - delta;
+
+	return texSample2D(g_Texture0, center + delta) * 0.5
+	+ texSample2D(g_Texture0, center + r1 + delta) * 0.25
+	+ texSample2D(g_Texture0, center - r1 + delta) * 0.25;
+}
+
+void main() {
+#if KERNEL == 0
+	vec4 albedo = blurRadial13a(v_TexCoord.xy, u_Scale);
+#endif
+#if KERNEL == 1
+	vec4 albedo = blurRadial7a(v_TexCoord.xy, u_Scale);
+#endif
+#if KERNEL == 2
+	vec4 albedo = blurRadial3a(v_TexCoord.xy, u_Scale);
+#endif
+
+#if MASK || BLURALPHA == 0
+	vec4 prev = texSample2D(g_Texture0, v_TexCoord.xy);
+#endif
+
+#if MASK
+	albedo = mix(prev, albedo, texSample2D(g_Texture1, v_TexCoordMask.xy).r);
+#endif
+
+#if BLURALPHA == 0
+	albedo.a = prev.a;
+#endif
+
+	gl_FragColor = albedo;
+}

modules/wallpaper-engine/effects/blurradial/preview/shaders/effects/blur_radial_gaussian.vert

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+
+// [COMBO] {"material":"ui_editor_properties_kernel_size","combo":"KERNEL","type":"options","default":0,"options":{"13":0,"7":1,"3":2}}
+
+uniform mat4 g_ModelViewProjectionMatrix;
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec2 v_TexCoord;
+
+#if MASK
+uniform vec4 g_Texture2Resolution;
+varying vec2 v_TexCoordMask;
+#endif
+
+void main() {
+	gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
+
+	v_TexCoord.xy = a_TexCoord;
+#if MASK
+	v_TexCoordMask.xy = vec2(v_TexCoord.x * g_Texture2Resolution.z / g_Texture2Resolution.x,
+						v_TexCoord.y * g_Texture2Resolution.w / g_Texture2Resolution.y);
+#endif
+}