dom/canvas/test/webgl-conf/checkout/conformance/programs/get-active-test.html

   1 <!--
   2 Copyright (c) 2019 The Khronos Group Inc.
   3 Use of this source code is governed by an MIT-style license that can be
   4 found in the LICENSE.txt file.
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  19 <script>
  20 "use strict";
  21 description("Test of getActiveAttrib and getActiveUniform");
  22
  23 var wtu = WebGLTestUtils;
  24 var context = wtu.create3DContext();
  25 var context2 = wtu.create3DContext();
  26 var program = wtu.loadStandardProgram(context);
  27 var program2 = wtu.loadProgramFromFile(context2,
  28                            "../../resources/intArrayUniformShader.vert",
  29                            "../../resources/noopUniformShader.frag");
  30
  31 wtu.glErrorShouldBe(context, context.NO_ERROR);
  32 shouldBe("context.getActiveUniform(program, 0).name", "'u_modelViewProjMatrix'");
  33 shouldBe("context.getActiveUniform(program, 0).type", "context.FLOAT_MAT4");
  34 shouldBe("context.getActiveUniform(program, 0).size", "1");
  35 shouldBeNull("context.getActiveUniform(program, 1)");
  36 wtu.glErrorShouldBe(context, context.INVALID_VALUE);
  37 shouldBeNull("context.getActiveUniform(program, -1)");
  38 wtu.glErrorShouldBe(context, context.INVALID_VALUE);
  39 shouldThrow("context.getActiveUniform(null, 0)");
  40 wtu.glErrorShouldBe(context, context.NO_ERROR);
  41
  42 // we don't know the order the attribs will appear.
  43 var info = [
  44   context.getActiveAttrib(program, 0),
  45   context.getActiveAttrib(program, 1)
  46 ];
  47 for (var ii = 0; ii < info.length; ++ii)
  48     shouldBeNonNull("info[ii]");
  49
  50 var expected = [
  51   { name: 'a_normal', type: context.FLOAT_VEC3, size: 1 },
  52   { name: 'a_vertex', type: context.FLOAT_VEC4, size: 1 }
  53 ];
  54
  55 if (info[0].name != expected[0].name) {
  56   var t = info[0];
  57   info[0] = info[1];
  58   info[1] = t;
  59 }
  60
  61 for (var ii = 0; ii < info.length; ++ii) {
  62   shouldBe("info[ii].name", "expected[ii].name");
  63   shouldBe("info[ii].type", "expected[ii].type");
  64   shouldBe("info[ii].size", "expected[ii].size");
  65 }
  66
  67 // we don't know the order the uniforms will appear.
  68 var info2 = [
  69     context2.getActiveUniform(program2, 0),
  70     context2.getActiveUniform(program2, 1)
  71 ];
  72 for (var ii = 0; ii < info2.length; ++ii)
  73     shouldBeNonNull("info2[ii]");
  74
  75 var expected2 = [
  76     { name: 'ival', type: context2.INT, size: 1 },
  77     { name: 'ival2[0]', type: context2.INT, size: 2 }
  78 ];
  79
  80 if (info2[0].name != expected2[0].name) {
  81     t = info2[0];
  82     info2[0] = info2[1];
  83     info2[1] = t;
  84 }
  85
  86 for (var ii = 0; ii < info2.length; ++ii) {
  87     shouldBe("info2[ii].name", "expected2[ii].name");
  88     shouldBe("info2[ii].type", "expected2[ii].type");
  89     shouldBe("info2[ii].size", "expected2[ii].size");
  90 }
  91
  92 shouldBeNull("context.getActiveAttrib(program, 2)");
  93 wtu.glErrorShouldBe(context, context.INVALID_VALUE);
  94 shouldBeNull("context.getActiveAttrib(program, -1)");
  95 wtu.glErrorShouldBe(context, context.INVALID_VALUE);
  96 shouldThrow("context.getActiveAttrib(null, 0)");
  97 wtu.glErrorShouldBe(context, context.NO_ERROR);
  98
  99 wtu.glErrorShouldBe(context2, context.NO_ERROR);
 100
 101 debug("Check trying to get attribs from different context");
 102 shouldBeNull("context2.getActiveAttrib(program, 0)");
 103 wtu.glErrorShouldBe(context2, context2.INVALID_OPERATION);
 104 shouldBeNull("context2.getActiveUniform(program, 0)");
 105 wtu.glErrorShouldBe(context2, context2.INVALID_OPERATION);
 106
 107 debug("Check trying to get attribs from deleted program");
 108 context.deleteProgram(program);
 109 shouldBeNull("context.getActiveUniform(program, 0)");
 110 wtu.glErrorShouldBe(context, context.INVALID_VALUE);
 111 shouldBeNull("context.getActiveAttrib(program, 0)");
 112 wtu.glErrorShouldBe(context, context.INVALID_VALUE);
 113
 114 var successfullyParsed = true;
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