xref: /aosp_15_r20/external/skia/tests/sksl/intrinsics/Sqrt.glsl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker
2*c8dee2aaSAndroid Build Coastguard Workerout vec4 sk_FragColor;
3*c8dee2aaSAndroid Build Coastguard Workeruniform mat2 testMatrix2x2;
4*c8dee2aaSAndroid Build Coastguard Workeruniform vec4 colorGreen;
5*c8dee2aaSAndroid Build Coastguard Workeruniform vec4 colorRed;
6*c8dee2aaSAndroid Build Coastguard Workervec4 main() {
7*c8dee2aaSAndroid Build Coastguard Worker    const vec4 negativeVal = vec4(-1.0, -4.0, -16.0, -64.0);
8*c8dee2aaSAndroid Build Coastguard Worker    coords = sqrt(negativeVal).xy;
9*c8dee2aaSAndroid Build Coastguard Worker    vec4 inputVal = vec4(testMatrix2x2) + vec4(0.0, 2.0, 6.0, 12.0);
10*c8dee2aaSAndroid Build Coastguard Worker    const vec4 expected = vec4(1.0, 2.0, 3.0, 4.0);
11*c8dee2aaSAndroid Build Coastguard Worker    const vec4 allowedDelta = vec4(0.05);
12*c8dee2aaSAndroid Build Coastguard Worker    return ((abs(sqrt(inputVal.x) - 1.0) < 0.05 && all(lessThan(abs(sqrt(inputVal.xy) - vec2(1.0, 2.0)), vec2(0.05)))) && all(lessThan(abs(sqrt(inputVal.xyz) - vec3(1.0, 2.0, 3.0)), vec3(0.05)))) && all(lessThan(abs(sqrt(inputVal) - expected), allowedDelta)) ? colorGreen : colorRed;
13*c8dee2aaSAndroid Build Coastguard Worker}
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