feat: blur, sharpen, sepia, noise shader hinzugefügt

2026-04-23 21:19:20 +02:00
parent 4afd22a97a
commit e7c71b2675
4 changed files with 76 additions and 0 deletions
@@ -0,0 +1,23 @@
+#version 300 es
+precision highp float;
+
+in vec2 v_texcoord;
+uniform sampler2D tex;
+out vec4 fragColor;
+
+void main() {
+    float o = 0.003;
+
+    vec4 c = vec4(0.0);
+    c += texture(tex, v_texcoord + vec2(-o, -o)) * 0.0625;
+    c += texture(tex, v_texcoord + vec2( 0, -o)) * 0.125;
+    c += texture(tex, v_texcoord + vec2( o, -o)) * 0.0625;
+    c += texture(tex, v_texcoord + vec2(-o,  0)) * 0.125;
+    c += texture(tex, v_texcoord              ) * 0.25;
+    c += texture(tex, v_texcoord + vec2( o,  0)) * 0.125;
+    c += texture(tex, v_texcoord + vec2(-o,  o)) * 0.0625;
+    c += texture(tex, v_texcoord + vec2( 0,  o)) * 0.125;
+    c += texture(tex, v_texcoord + vec2( o,  o)) * 0.0625;
+
+    fragColor = c;
+}