dom/canvas/test/webgl-conf/checkout/conformance/more/functions/bufferSubData.html

   1 <!DOCTYPE html>
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   5 <!--
   6 Copyright (c) 2019 The Khronos Group Inc.
   7 Use of this source code is governed by an MIT-style license that can be
   8 found in the LICENSE.txt file.
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  10 <link rel="stylesheet" type="text/css" href="../unit.css" />
  11 <script type="application/javascript" src="../unit.js"></script>
  12 <script type="application/javascript" src="../util.js"></script>
  13 <script type="application/javascript">
  14
  15 Tests.startUnit = function () {
  16     var canvas = document.getElementById('gl');
  17     var gl = getGLContext(canvas);
  18     var buf = gl.createBuffer();
  19     var ebuf = gl.createBuffer();
  20     gl.bindBuffer(gl.ARRAY_BUFFER, buf);
  21     gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, ebuf);
  22     return [gl, buf, ebuf];
  23 }
  24
  25 Tests.testBufferSubData = function(gl, buf, ebuf) {
  26     var data = [0,0,0,0, 1,0,0,0, 0,1,0,0];
  27     gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(data), gl.STATIC_DRAW);
  28     gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4]));
  29     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1]));
  30     gl.bufferSubData(gl.ARRAY_BUFFER, 32, new Float32Array([1,1,1,1]));
  31     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4);
  32     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STATIC_DRAW);
  33     gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(data), gl.STREAM_DRAW);
  34     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1]));
  35     gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4]));
  36     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4);
  37     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STREAM_DRAW);
  38     gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(data), gl.DYNAMIC_DRAW);
  39     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1]));
  40     gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4]));
  41     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint32Array([1,1,1,1]));
  42     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int32Array([1,1,1,1]));
  43     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int16Array([1,1,1,1]));
  44     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1]));
  45     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int8Array([1,1,1,1]));
  46     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint8Array([1,1,1,1]));
  47     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4);
  48     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.DYNAMIC_DRAW);
  49
  50     gl.bufferData(gl.ARRAY_BUFFER, 12, gl.STATIC_DRAW);
  51     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12);
  52     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STATIC_DRAW);
  53
  54     gl.bufferData(gl.ARRAY_BUFFER, 12*4, gl.STATIC_DRAW);
  55     gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4]));
  56     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1]));
  57     gl.bufferSubData(gl.ARRAY_BUFFER, 32, new Float32Array([1,1,1,1]));
  58     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4);
  59     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STATIC_DRAW);
  60     gl.bufferData(gl.ARRAY_BUFFER, 12*4, gl.STREAM_DRAW);
  61     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1]));
  62     gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4]));
  63     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4);
  64     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.STREAM_DRAW);
  65     gl.bufferData(gl.ARRAY_BUFFER, 12*4, gl.DYNAMIC_DRAW);
  66     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Float32Array([1,1,1,1]));
  67     gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Float32Array([1,2,3,4]));
  68     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint32Array([1,1,1,1]));
  69     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int32Array([1,1,1,1]));
  70     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int16Array([1,1,1,1]));
  71     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1]));
  72     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Int8Array([1,1,1,1]));
  73     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint8Array([1,1,1,1]));
  74     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*4);
  75     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_USAGE), gl.DYNAMIC_DRAW);
  76
  77     gl.bufferData(gl.ARRAY_BUFFER, new Uint16Array(data), gl.STATIC_DRAW);
  78     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1]));
  79     gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4]));
  80     gl.bufferData(gl.ARRAY_BUFFER, new Uint16Array(data), gl.STREAM_DRAW);
  81     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1]));
  82     gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4]));
  83     gl.bufferData(gl.ARRAY_BUFFER, new Uint16Array(data), gl.DYNAMIC_DRAW);
  84     gl.bufferSubData(gl.ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1]));
  85     gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4]));
  86     assertEquals(gl.getBufferParameter(gl.ARRAY_BUFFER, gl.BUFFER_SIZE), 12*2);
  87     throwError(gl, "array bufferSubData");
  88 }
  89 Tests.testBufferSubDataElement = function(gl, buf, ebuf) {
  90     var data = [0,0,0,0, 1,0,0,0, 0,1,0,0];
  91     gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(data), gl.STATIC_DRAW);
  92     gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1]));
  93     gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4]));
  94     gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(data), gl.STREAM_DRAW);
  95     gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1]));
  96     gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4]));
  97     gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(data), gl.DYNAMIC_DRAW);
  98     gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 16, new Uint16Array([1,1,1,1]));
  99     gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint16Array([1,2,3,4]));
 100     assertEquals(gl.getBufferParameter(gl.ELEMENT_ARRAY_BUFFER, gl.BUFFER_SIZE), 12*2);
 101     gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint8Array(data), gl.DYNAMIC_DRAW);
 102     gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 4, new Uint8Array([1,1,1,1]));
 103     gl.bufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, new Uint8Array([1,2,3,4]));
 104     assertEquals(gl.getBufferParameter(gl.ELEMENT_ARRAY_BUFFER, gl.BUFFER_SIZE), 12);
 105     throwError(gl, "element array bufferSubData");
 106 }
 107
 108 Tests.endUnit = function(gl, buf, ebuf) {
 109     gl.deleteBuffer(buf);
 110     gl.deleteBuffer(ebuf);
 111 }
 112
 113 </script>
 114 <style>canvas{ position:absolute; }</style>
 115 </head><body>
 116 <canvas id="gl" width="16" height="16"></canvas>
 117 </body></html>