uniformMatrixBadArgs.html

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Copyright (c) 2019 The Khronos Group Inc.

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Tests.startUnit = function () {

  var canvas = document.getElementById('gl');

  var unwrappedGL = getGLContext(canvas);

  var gl = wrapGLContext(unwrappedGL);

  return [gl, unwrappedGL];

Tests.testUniformf = function(gl, unwrappedGL) {

  var sh = new Filter(gl, 'foobar-vert', 'foobar-frag');

  sh.apply(function(f){

    var fm4 = f.uniform('fm4');

    var fm2 = f.uniform('fm2');

    var fm3 = f.uniform('fm3');

    assertGLError(gl, gl.INVALID_VALUE, "bad transpose 4fv",

        function(){gl.uniformMatrix4fv(fm4, true, [1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});

    assertGLError(gl, gl.INVALID_VALUE, "bad transpose 3fv",

        function(){gl.uniformMatrix3fv(fm3, true, [1,0,0, 0,2,0, 0,0,3]);});

    assertGLError(gl, gl.INVALID_VALUE, "bad transpose 2fv",

        function(){gl.uniformMatrix2fv(fm2, true, [1,0, 0,2]);});

    assertThrowNoGLError(gl, "bad location",

        function(){gl.uniformMatrix4fv(588939, false, [1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});

    assertThrowNoGLError(gl, "bad location (negative)",

        function(){gl.uniformMatrix4fv(-588939, false, [1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});

    assertGLError(gl, gl.INVALID_VALUE, "17 values to 4fv",

        function(){gl.uniformMatrix4fv(fm4, false, [0,1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});

    assertGLError(gl, gl.INVALID_VALUE, "5 values to 2fv",

        function(){gl.uniformMatrix2fv(fm2, false, [0,2,1, 2,2]);});

    assertGLError(gl, gl.INVALID_VALUE, "10 values to 3fv",

        function(){gl.uniformMatrix3fv(fm3, false, [0,2,2,2, 2,2,2, 2,1,2]);});

    assertGLError(gl, gl.INVALID_VALUE, "too few values to 4fv",

        function(){gl.uniformMatrix4fv(fm4, false, [0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});

    assertGLError(gl, gl.INVALID_VALUE, "too few values to 2fv",

        function(){gl.uniformMatrix2fv(fm2, false, [1, 2,2]);});

    assertGLError(gl, gl.INVALID_VALUE, "too few values to 2fv",

        function(){gl.uniformMatrix2fv(fm2, false, []);});

    assertThrowNoGLError(gl, "string for data",

        function(){gl.uniformMatrix2fv(fm2, false, "fm4");});

    assertGLError(gl, gl.INVALID_VALUE, "too few values to 3fv",

        function(){gl.uniformMatrix3fv(fm3, false, [2,2, 2,2,2, 2,1,2]);});

    gl.uniformMatrix4fv(fm4, false, [1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);

    gl.uniformMatrix2fv(fm2, false, [2,1, 2,2]);

    gl.uniformMatrix3fv(fm3, false, [2,2,2, 2,2,2, 2,1,2]);

    assertGLError(gl, gl.INVALID_OPERATION, "3fv on mat4",

        function(){gl.uniformMatrix3fv(fm4, false, [1,0,0, 0,2,0, 0,0,3]);});

    assertGLError(gl, gl.INVALID_OPERATION, "3fv on mat2",

        function(){gl.uniformMatrix3fv(fm2, false, [0,2,1, 0,2,2, 0,0,0]);});

    assertGLError(gl, gl.INVALID_OPERATION, "2fv om mat3",

        function(){gl.uniformMatrix2fv(fm3, false, [2,2, 2,2]);});

    for (var ii = 2; ii <= 4; ++ii) {

      var all = [];

      var mats = [[],[]];

      for (var jj = 0; jj < 2; ++jj) {

        for (var kk = 0; kk < ii * ii; ++kk) {

          mats[jj].push(jj + 1);

          all.push(jj + 1);

      var loc0Name = 'am' + ii + '[0]';

      var loc1Name = 'am' + ii + '[1]';

      var loc0 = f.uniform(loc0Name);

      var loc1 = f.uniform(loc1Name);

      var fname = "uniformMatrix" + ii + "fv";

      assert(loc0Name, loc0 != null);

      assert(loc1Name, loc1 != null);

      assertOk("set array of 2 matrices " + ii + "fv",

          function(){gl[fname].call(gl,loc0, false, all);});

      var actual = unwrappedGL.getUniform(sh.shader.program, loc0);

      assert("got value for loc0",

             gl.NO_ERROR == checkError(gl, "getUniform loc0"));

      assertArrayEquals(mats[0], actual);

      var actual = unwrappedGL.getUniform(sh.shader.program, loc1);

      assert("got value for loc1",

             gl.NO_ERROR == checkError(gl, "getUniform loc1"));

      assertArrayEquals(mats[1], actual);

      assertOk("set array of second array of 2 matrixes",

          function(){gl[fname].call(gl, loc1, false, mats[0]);});

      var actual = unwrappedGL.getUniform(sh.shader.program, loc1);

      assert("got value for loc1",

             gl.NO_ERROR == checkError(gl, "getUniform loc1"));

      assertArrayEquals(mats[0], actual);

      var big = mats[1].concat([3]);

      assertGLError(gl, gl.INVALID_VALUE, "set array of first array of 2 matrixes plus 1 value",

          function(){gl[fname].call(gl, loc0, false, big);});

});

  var d = new Uint8Array(4);

  gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, d);

  assertArrayEqualsWithEpsilon([1,2,3,8], d, [1,1,1,1]);

  sh.destroy();

Tests.endUnit = function(gl) {

</script>

<script id="foobar-vert" type="x-shader/x-vertex">

attribute vec3 Vertex;

attribute vec2 Tex;

uniform mat2 fm2;

uniform mat3 fm3;

uniform mat2 am2[2];

uniform mat3 am3[2];

uniform mat4 am4[2];

varying vec4 texCoord0;

void main()

    texCoord0 = vec4(Tex.s, 1.0-Tex.t, fm2[0][1]+fm3[2][1], 0.0);

    float d = am2[0][1][1] + am3[0][2][2] + am4[0][3][3] +

              am2[1][1][1] + am3[1][2][2] + am4[1][3][3];

    gl_Position = vec4(Vertex, 1.0 + d * 0.0001);

</script>

<script id="foobar-frag" type="x-shader/x-fragment">

precision mediump float;

uniform mat4 fm4;

varying vec4 texCoord0;

void main()

    gl_FragColor = vec4(fm4[0][0]/256.0, fm4[1][1]/256.0, fm4[2][2]/256.0, fm4[3][3]*texCoord0.z/256.0);

</script>

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