LINE.apk(点击下载) / a.java

package ig0;

public final class a extends u82.a {

    /* renamed from: i  reason: collision with root package name */
    public final String f87673i = "u_texelWidthOffset";

    /* renamed from: j  reason: collision with root package name */
    public final String f87674j = "u_texelHeightOffset";

    public a() {
        super(false);
    }

    @Override // u82.a
    public String a() {
        return "#define ARRAY_CNT 5\nprecision mediump float;\nuniform sampler2D tex_sampler;\nvarying vec2 v_texcoord;\n\nuniform float u_texelWidthOffset;\nuniform float u_texelHeightOffset;\n\nvec3 blur() {\n    // horizontal, vertical\n    vec2 offset = vec2(u_texelHeightOffset, u_texelWidthOffset);\n    // weight kernal size=3x3, sigma=1\n    // sample count = 9\n    // [http://dev.theomader.com/gaussian-kernel-calculator/]\n    float weight[ARRAY_CNT];\n    weight[0] = 0.195346;\n    weight[1] = 0.123317;\n    weight[2] = 0.077847;\n    weight[3] = 0.123317;\n    weight[4] = 0.077847;\n    vec3 sum = texture2D(tex_sampler, v_texcoord).rgb * weight[0];\n    for (int i = 1; i < ARRAY_CNT; i++) {\n        sum += texture2D(tex_sampler, v_texcoord\n                                        + vec2(float(i) * offset)).rgb * weight[i];\n        sum += texture2D(tex_sampler, v_texcoord\n                                        - vec2(float(i) * offset)).rgb * weight[i];\n    }\n    return sum;\n}\nvoid main()\n{\n    vec3 sum = blur();\n    gl_FragColor = vec4(sum, 1.0);\n}";
    }
}