glsl-function-mod-float.html

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<title>GLSL mod-float function test</title>

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<script>

"use strict";

GLSLGenerator.runFeatureTest({

  feature: "mod",

  args: "$(type) value, float divisor",

  baseArgs: "value$(field), divisor",

  testFunc: "$(func)($(arg0), float)",

  fragmentTolerance: 1,

  emuFunc: ["float $(func)_base(float value, float divisor) {",

            "  return value - divisor * floor(value / divisor);",

            "}"].join("\n"),

  gridRes: 8,

  tests: [

    ["$(output) = vec4(",

     "    $(func)($(input).x * 6.0 - 3.0, 1.5) / 1.5,",

     "    $(func)($(input).y * 6.0 - 3.0, 1.5) / 1.5,",

     "    0,",

     "    1);"].join("\n"),

    ["$(output) = vec4(",

     "    $(func)($(input).xy * 6.0 - vec2(3, 3), 1.5) / 1.5,",

     "    0, 1);"].join("\n"),

    ["$(output) = vec4(",

     "    $(func)($(input).xyz * 6.0 - vec3(3, 3, 3), 1.5) / 1.5,",

     "    1);"].join("\n"),

    ["$(output) = ",

     "    $(func)($(input) * 6.0 - vec4(3, 3, 3, 3), 1.5) / 1.5;"].join("\n")

});

var successfullyParsed = true;

</script>

</body>

</html>