1 2out vec4 sk_FragColor; 3uniform mat4 testMatrix4x4; 4uniform vec4 colorGreen; 5uniform vec4 colorRed; 6vec4 main() { 7 vec4 inputA = testMatrix4x4[0]; 8 vec4 inputB = testMatrix4x4[1]; 9 vec4 expected = vec4(5.0, 17.0, 38.0, 70.0); 10 return ((((((dot(inputA.x, inputB.x) == expected.x && dot(inputA.xy, inputB.xy) == expected.y) && dot(inputA.xyz, inputB.xyz) == expected.z) && dot(inputA, inputB) == expected.w) && 5.0 == expected.x) && 17.0 == expected.y) && 38.0 == expected.z) && 70.0 == expected.w ? colorGreen : colorRed; 11} 12