tex-subimage3d-canvas-bug.html (1934B)
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. 5 --> 6 7 <!DOCTYPE html> 8 <html> 9 <head> 10 <meta charset="utf-8"> 11 <title>Test bug of TexSubImage3D with canvas</title> 12 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> 13 <script src="../../../js/js-test-pre.js"></script> 14 <script src="../../../js/webgl-test-utils.js"></script> 15 </head> 16 <body> 17 <canvas id="example" width="2" height="2" style="width: 2px; height: 2px;"></canvas> 18 <div id="description"></div> 19 <div id="console"></div> 20 <script> 21 "use strict"; 22 description(document.title); 23 debug("This is a regression test for <a href='https://bugs.chromium.org/p/chromium/issues/detail?id=859400'>Chromium Issue 859400</a>"); 24 debug(""); 25 26 var wtu = WebGLTestUtils; 27 var gl = wtu.create3DContext("example", undefined, 2); 28 29 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); 30 31 function runTest() { 32 var ctx = document.createElement('canvas').getContext("2d"); 33 var maxTexSize = gl.getParameter(gl.MAX_TEXTURE_SIZE); 34 var width = Math.ceil(Math.sqrt(maxTexSize)); 35 var height = width; 36 var depth = width + 1; 37 ctx.canvas.width = width; 38 // Set canvas height to a value larger than MAX_TEXTURE_SIZE. 39 // This triggers a validation bug in Chrome. 40 ctx.canvas.height = height * depth; 41 42 var tex = gl.createTexture(); 43 gl.bindTexture(gl.TEXTURE_2D_ARRAY, tex); 44 gl.texStorage3D(gl.TEXTURE_2D_ARRAY, 1, gl.RGBA8, width, height, depth); 45 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from TexStorage3D."); 46 gl.texSubImage3D(gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, width, height, depth, 47 gl.RGBA, gl.UNSIGNED_BYTE, ctx.canvas); 48 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from TexSubImage3D."); 49 } 50 51 runTest(); 52 var successfullyParsed = true; 53 </script> 54 <script src="../../../js/js-test-post.js"></script> 55 </body> 56 </html>