stuff

modules/wallpaper-engine/effects/refraction/shaders/effects/refract.frag

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+
+#include "common_fragment.h"
+
+varying vec4 v_TexCoord;
+varying vec3 v_RefractTexCoord;
+
+uniform sampler2D g_Texture0; // {"hidden":true}
+uniform sampler2D g_Texture1; // {"label":"ui_editor_properties_normal","default":"","format":"normalmap","formatcombo":true}
+uniform sampler2D g_Texture2; // {"label":"ui_editor_properties_opacity_mask","mode":"opacitymask","combo":"MASK","paintdefaultcolor":"0 0 0 1"}
+
+void main() {
+#if MASK
+	float mask = texSample2D(g_Texture2, v_TexCoord.zw).r;
+#else
+	float mask = 1;
+#endif
+	
+	vec2 texCoord = v_TexCoord.xy;
+	vec3 normal = DecompressNormal(texSample2D(g_Texture1, v_RefractTexCoord.xy));
+	
+	texCoord.xy += normal.xy * v_RefractTexCoord.z * mask;
+	
+	vec4 albedo = texSample2D(g_Texture0, texCoord.xy);
+	
+	//vec2 screenCoord = v_ScreenCoord.xy / v_ScreenCoord.z * CAST2(0.5) + 0.5;
+	//vec4 bg = texSample2D(g_Texture3, screenCoord.xy);
+	//albedo.rgb = mix(bg.rgb, albedo.rgb, albedo.a);
+	//albedo.a = 1;
+	
+	gl_FragColor = albedo;
+}

modules/wallpaper-engine/effects/refraction/shaders/effects/refract.vert

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+
+uniform mat4 g_ModelViewProjectionMatrix;
+uniform vec4 g_Texture2Resolution;
+
+uniform vec2 g_Scale; // {"material":"scale","label":"ui_editor_properties_scale","linked":true,"default":"1 1","range":[0,10]}
+uniform float g_Strength; // {"material":"strength","label":"ui_editor_properties_strength","default":0.1,"range":[-1,1]}
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec4 v_TexCoord;
+varying vec3 v_RefractTexCoord;
+
+void main() {
+	gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
+	v_TexCoord.xy = a_TexCoord;
+	v_RefractTexCoord.xy = a_TexCoord * g_Scale;
+	v_TexCoord.zw = vec2(v_TexCoord.x * g_Texture2Resolution.z / g_Texture2Resolution.x,
+						v_TexCoord.y * g_Texture2Resolution.w / g_Texture2Resolution.y);
+	v_RefractTexCoord.z = sign(g_Strength) * g_Strength * g_Strength;
+}