yes

modules/wallpaper-engine/effects/blend/preview/shaders/effects/blend.frag

@@ -0,0 +1,18 @@
+
+// [COMBO] {"material":"Blend mode","combo":"BLENDMODE","type":"imageblending","default":2}
+
+#include "common_blending.h"
+
+varying vec4 v_TexCoord;
+
+uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
+uniform sampler2D g_Texture1; // {"material":"Color mask","mode":"rgbmask","default":"util/white"}
+
+void main() {
+	vec4 albedo = texSample2D(g_Texture0, v_TexCoord.xy);
+	vec4 mask = texSample2D(g_Texture1, v_TexCoord.zw);
+	
+	albedo.rgb = ApplyBlending(BLENDMODE, albedo.rgb, mask.rgb, mask.a);
+	
+	gl_FragColor = albedo;
+}

modules/wallpaper-engine/effects/blend/preview/shaders/effects/blend.vert

@@ -0,0 +1,15 @@
+
+uniform mat4 g_ModelViewProjectionMatrix;
+uniform vec4 g_Texture1Resolution;
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec4 v_TexCoord;
+
+void main() {
+	gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
+	v_TexCoord.xy = a_TexCoord;
+	v_TexCoord.zw = vec2(v_TexCoord.x * g_Texture1Resolution.z / g_Texture1Resolution.x,
+						v_TexCoord.y * g_Texture1Resolution.w / g_Texture1Resolution.y);
+}

modules/wallpaper-engine/effects/blend/preview/shaders/effects/opacity.frag

@@ -0,0 +1,13 @@
+
+varying vec4 v_TexCoord;
+
+uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
+uniform sampler2D g_Texture1; // {"material":"Mask","mode":"opacitymask","default":"util/white"}
+
+void main() {
+	vec4 albedo = texSample2D(g_Texture0, v_TexCoord.xy);
+	float mask = texSample2D(g_Texture1, v_TexCoord.zw).r;
+	albedo.a *= mask;
+	
+	gl_FragColor = albedo;
+}

modules/wallpaper-engine/effects/blend/preview/shaders/effects/opacity.vert

@@ -0,0 +1,15 @@
+
+uniform mat4 g_ModelViewProjectionMatrix;
+uniform vec4 g_Texture1Resolution;
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec4 v_TexCoord;
+
+void main() {
+	gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
+	v_TexCoord.xy = a_TexCoord;
+	v_TexCoord.zw = vec2(v_TexCoord.x * g_Texture1Resolution.z / g_Texture1Resolution.x,
+						v_TexCoord.y * g_Texture1Resolution.w / g_Texture1Resolution.y);
+}

modules/wallpaper-engine/effects/blend/preview/shaders/effects/scroll.frag

@@ -0,0 +1,10 @@
+
+varying vec2 v_TexCoord;
+varying vec2 v_Scroll;
+
+uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
+
+void main() {
+	vec2 texCoord = frac(v_TexCoord + v_Scroll);
+	gl_FragColor = texSample2D(g_Texture0, texCoord);
+}

modules/wallpaper-engine/effects/blend/preview/shaders/effects/scroll.vert

@@ -0,0 +1,21 @@
+
+uniform mat4 g_ModelViewProjectionMatrix;
+uniform float g_Time;
+
+uniform float g_ScrollX; // {"material":"Speed X","default":0.2,"range":[-2,2]}
+uniform float g_ScrollY; // {"material":"Speed Y","default":0.2,"range":[-2,2]}
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec2 v_TexCoord;
+varying vec2 v_Scroll;
+
+void main() {
+	gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
+	v_TexCoord = a_TexCoord;
+	
+	vec2 scroll = vec2(g_ScrollX, g_ScrollY);
+	scroll = sign(scroll) * pow(vec2(g_ScrollX, g_ScrollY), CAST2(2.0));
+	v_Scroll = scroll * g_Time;
+}

modules/wallpaper-engine/effects/blend/preview/shaders/effects/spin.frag

@@ -0,0 +1,14 @@
+
+// [COMBO] {"material":"Repeat","combo":"CLAMP","type":"options","default":1}
+
+varying vec2 v_TexCoord;
+
+uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
+
+void main() {
+	vec2 texCoord = v_TexCoord;
+#if CLAMP
+	texCoord = frac(texCoord);
+#endif
+	gl_FragColor = texSample2D(g_Texture0, texCoord);
+}

modules/wallpaper-engine/effects/blend/preview/shaders/effects/spin.vert

@@ -0,0 +1,29 @@
+
+// [COMBO] {"material":"Mode","combo":"MODE","type":"options","default":0,"options":{"Vertex":1,"UV":0}}
+
+#include "common.h"
+
+uniform mat4 g_ModelViewProjectionMatrix;
+uniform float g_Time;
+
+uniform float g_Speed; // {"material":"Speed","default":1.0,"range":[-5,5]}
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec2 v_TexCoord;
+
+void main() {
+
+	vec3 position = a_Position;
+#if MODE == 1
+	position.xy = rotateVec2(position.xy - CAST2(0.5), g_Speed * g_Time) + CAST2(0.5);
+#endif
+	gl_Position = mul(vec4(position, 1.0), g_ModelViewProjectionMatrix);
+	
+	v_TexCoord = a_TexCoord;
+	
+#if MODE == 0
+	v_TexCoord = rotateVec2(v_TexCoord - CAST2(0.5), g_Speed * g_Time) + CAST2(0.5);
+#endif
+}

modules/wallpaper-engine/effects/blend/preview/shaders/effects/transform.frag

@@ -0,0 +1,14 @@
+
+// [COMBO] {"material":"Repeat","combo":"CLAMP","type":"options","default":0}
+
+varying vec2 v_TexCoord;
+
+uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
+
+void main() {
+	vec2 texCoord = v_TexCoord;
+#if CLAMP
+	texCoord = frac(texCoord);
+#endif
+	gl_FragColor = texSample2D(g_Texture0, texCoord);
+}

modules/wallpaper-engine/effects/blend/preview/shaders/effects/transform.vert

@@ -0,0 +1,35 @@
+
+// [COMBO] {"material":"Mode","combo":"MODE","type":"options","default":0,"options":{"Vertex":1,"UV":0}}
+
+#include "common.h"
+
+uniform mat4 g_ModelViewProjectionMatrix;
+
+uniform vec2 g_Offset; // {"material":"Offset","default":"0 0"}
+uniform vec2 g_Scale; // {"material":"Scale","default":"1 1"}
+uniform float g_Direction; // {"material":"Angle","default":0,"range":[0,6.28]}
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec2 v_TexCoord;
+
+vec2 applyFx(vec2 v) {
+	v = rotateVec2(v - CAST2(0.5), g_Direction);
+	return (v + g_Offset) * g_Scale + CAST2(0.5);
+}
+
+void main() {
+
+	vec3 position = a_Position;
+#if MODE == 1
+	position.xy = applyFx(position.xy);
+#endif
+	gl_Position = mul(vec4(position, 1.0), g_ModelViewProjectionMatrix);
+	
+	v_TexCoord = a_TexCoord;
+	
+#if MODE == 0
+	v_TexCoord = applyFx(v_TexCoord);
+#endif
+}