xref: /aosp_15_r20/external/skia/tests/sksl/workarounds/NegatedAtanStandaloneSettings.glsl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)

out vec4 sk_FragColor;
uniform float unknownInput;
void main() {
    vec2 x = vec2(unknownInput);
    sk_FragColor.x = atan(x.x, -x.y);
}