stuff

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

@@ -0,0 +1,15 @@
+
+// [COMBO] {"material":"Repeat","combo":"REPEAT","type":"options","default":1}
+
+varying vec2 v_TexCoord;
+
+uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
+
+void main() {
+	vec2 texCoord = v_TexCoord.xy;
+#if REPEAT
+	texCoord = frac(texCoord);
+#endif
+	gl_FragColor = texSample2D(g_Texture0, texCoord);
+	
+}

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

@@ -0,0 +1,41 @@
+
+// [COMBO] {"material":"Mode","combo":"MODE","type":"options","default":0,"options":{"Vertex":1,"UV":0}}
+
+#include "common.h"
+
+uniform mat4 g_ModelViewProjectionMatrix;
+uniform vec4 g_Texture0Resolution;
+
+uniform float g_Top; // {"material":"Top","default":0.0,"range":[-2,2]}
+uniform float g_Bottom; // {"material":"Bottom","default":0.0,"range":[-2,2]}
+uniform float g_Left; // {"material":"Left","default":0.0,"range":[-2,2]}
+uniform float g_Right; // {"material":"Right","default":0.0,"range":[-2,2]}
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec2 v_TexCoord;
+
+void main() {
+
+	vec3 position = a_Position;
+	
+#if MODE == 1
+	vec2 textureScale = g_Texture0Resolution.zw;
+	position.x += textureScale.x * 1.0 * (step(a_TexCoord.y, 0.5) * g_Top +
+					step(0.5, a_TexCoord.y) * g_Bottom);
+	position.y += textureScale.y * 1.0 * (step(a_TexCoord.x, 0.5) * g_Left +
+					step(0.5, a_TexCoord.x) * g_Right);
+#endif
+	gl_Position = mul(vec4(position, 1.0), g_ModelViewProjectionMatrix);
+	
+	
+	v_TexCoord.xy = a_TexCoord;
+
+#if MODE == 0
+	v_TexCoord.x -= step(a_TexCoord.y, 0.5) * g_Top +
+					step(0.5, a_TexCoord.y) * g_Bottom;
+	v_TexCoord.y += step(a_TexCoord.x, 0.5) * g_Left +
+					step(0.5, a_TexCoord.x) * g_Right;
+#endif
+}