blurring (not Gaussian blur)

blur.frag

@@ -0,0 +1,22 @@
+#version 330 core
+
+in vec2 texCoords;
+
+out vec4 FragColor;
+
+uniform bool horizontal;
+uniform sampler2D tex;
+
+void main(){
+	int amount=5;
+	float weight[5] = float[] (0.227027, 0.1945946, 0.1216216, 0.054054,0.016216);
+	vec2 texel=1/textureSize(tex,0);
+	vec3 c=texture(tex,texCoords).rgb*weight[0];
+
+	for(int i=1;i<amount;i++){
+		vec2 offset=vec2(horizontal?texel.x:0,horizontal?0:texel.y);
+		c+=texture(tex,texCoords+offset*i).rgb*weight[i];
+		c+=texture(tex,texCoords-offset*i).rgb*weight[i];
+	}
+	FragColor=vec4(c,1);
+}