dom/canvas/test/webgl-conf/checkout/conformance2/misc/object-deletion-behaviour-2.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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  15 <body>
  16 <div id="description"></div>
  17 <div id="console"></div>
  18
  19 <script>
  20 "use strict";
  21 description("Tests deletion behavior for WebGL2 buffer, sampler, vertexArray and transformFeedback objects.");
  22
  23 var wtu = WebGLTestUtils;
  24 var gl = wtu.create3DContext(undefined, undefined, 2);
  25 var shouldGenerateGLError = wtu.shouldGenerateGLError;
  26
  27 debug("");
  28 debug("buffer deletion");
  29
  30 var bufferBaseUniform = gl.createBuffer();
  31 shouldBeNonNull("bufferBaseUniform");
  32 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBufferBase(gl.UNIFORM_BUFFER, 0, bufferBaseUniform)");
  33 shouldBe("gl.getParameter(gl.UNIFORM_BUFFER_BINDING)", "bufferBaseUniform");
  34 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(bufferBaseUniform)");
  35 shouldBeFalse("gl.isBuffer(bufferBaseUniform)");
  36 shouldBeNull("gl.getParameter(gl.UNIFORM_BUFFER_BINDING)");
  37 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindBufferBase(gl.UNIFORM_BUFFER, 0, bufferBaseUniform)");
  38 shouldBeNull("gl.getParameter(gl.UNIFORM_BUFFER_BINDING)");
  39
  40 var bufferBaseTransformFeedback = gl.createBuffer();
  41 shouldBeNonNull("bufferBaseTransformFeedback");
  42 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBufferBase(gl.TRANSFORM_FEEDBACK_BUFFER, 0, bufferBaseTransformFeedback)");
  43 shouldBe("gl.getParameter(gl.TRANSFORM_FEEDBACK_BUFFER_BINDING)", "bufferBaseTransformFeedback");
  44 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(bufferBaseTransformFeedback)");
  45 shouldBeFalse("gl.isBuffer(bufferBaseTransformFeedback)");
  46 shouldBeNull("gl.getParameter(gl.TRANSFORM_FEEDBACK_BUFFER_BINDING)");
  47 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindBufferBase(gl.TRANSFORM_FEEDBACK_BUFFER, 0, bufferBaseTransformFeedback)");
  48 shouldBeNull("gl.getParameter(gl.TRANSFORM_FEEDBACK_BUFFER_BINDING)");
  49
  50 var bufferRangeUniform = gl.createBuffer();
  51 shouldBeNonNull("bufferRangeUniform");
  52 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBufferRange(gl.UNIFORM_BUFFER, 0, bufferRangeUniform, 0, gl.UNIFORM_BUFFER_OFFSET_ALIGNMENT)");
  53 shouldBe("gl.getParameter(gl.UNIFORM_BUFFER_BINDING)", "bufferRangeUniform");
  54 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(bufferRangeUniform)");
  55 shouldBeFalse("gl.isBuffer(bufferRangeUniform)");
  56 shouldBeNull("gl.getParameter(gl.UNIFORM_BUFFER_BINDING)");
  57 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindBufferRange(gl.UNIFORM_BUFFER, 0, bufferRangeUniform, 0, gl.UNIFORM_BUFFER_OFFSET_ALIGNMENT)");
  58 shouldBeNull("gl.getParameter(gl.UNIFORM_BUFFER_BINDING)");
  59
  60 var bufferRangeTransformFeedback = gl.createBuffer();
  61 shouldBeNonNull("bufferRangeTransformFeedback");
  62 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBufferRange(gl.TRANSFORM_FEEDBACK_BUFFER, 0, bufferRangeTransformFeedback, 0, 4)");
  63 shouldBe("gl.getParameter(gl.TRANSFORM_FEEDBACK_BUFFER_BINDING)", "bufferRangeTransformFeedback");
  64 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(bufferRangeTransformFeedback)");
  65 shouldBeFalse("gl.isBuffer(bufferRangeTransformFeedback)");
  66 shouldBeNull("gl.getParameter(gl.TRANSFORM_FEEDBACK_BUFFER_BINDING)");
  67 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindBufferRange(gl.TRANSFORM_FEEDBACK_BUFFER, 0, bufferRangeTransformFeedback, 0, 4)");
  68 shouldBeNull("gl.getParameter(gl.TRANSFORM_FEEDBACK_BUFFER_BINDING)");
  69
  70 debug("");
  71 debug("sampler deletion");
  72
  73 var sampler = gl.createSampler();
  74 shouldBeNonNull("sampler");
  75 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindSampler(0, sampler)");
  76 shouldBe("gl.getParameter(gl.SAMPLER_BINDING)", "sampler");
  77 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteSampler(sampler)");
  78 shouldBeFalse("gl.isSampler(sampler)");
  79 shouldBeNull("gl.getParameter(gl.SAMPLER_BINDING)");
  80 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindSampler(0, sampler)");
  81 shouldBeNull("gl.getParameter(gl.SAMPLER_BINDING)");
  82
  83 debug("");
  84 debug("vertexArray deletion");
  85
  86 var vertexArray = gl.createVertexArray();
  87 shouldBeNonNull("vertexArray");
  88 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindVertexArray(vertexArray)");
  89 shouldBe("gl.getParameter(gl.VERTEX_ARRAY_BINDING)", "vertexArray");
  90 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteVertexArray(vertexArray)");
  91 shouldBeFalse("gl.isVertexArray(vertexArray)");
  92 shouldBeNull("gl.getParameter(gl.VERTEX_ARRAY_BINDING)");
  93 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindVertexArray(vertexArray)");
  94 shouldBeNull("gl.getParameter(gl.VERTEX_ARRAY_BINDING)");
  95
  96 debug("");
  97 debug("transformFeedback deletion");
  98
  99 var transformFeedback = gl.createTransformFeedback();
 100 shouldBeNonNull("transformFeedback");
 101 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, transformFeedback)");
 102 shouldBe("gl.getParameter(gl.TRANSFORM_FEEDBACK_BINDING)", "transformFeedback");
 103 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTransformFeedback(transformFeedback)");
 104 shouldBeFalse("gl.isTransformFeedback(transformFeedback)");
 105 shouldBeNull("gl.getParameter(gl.TRANSFORM_FEEDBACK_BINDING)");
 106 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, transformFeedback)");
 107 shouldBeNull("gl.getParameter(gl.TRANSFORM_FEEDBACK_BINDING)");
 108
 109 var successfullyParsed = true;
 110 </script>
 111
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