texture-upload-cube-maps.html (1848B)
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 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> 12 <script src="../../../js/js-test-pre.js"></script> 13 <script src="../../../js/webgl-test-utils.js"></script> 14 </head> 15 <body> 16 <canvas id="example" width="2" height="2"></canvas> 17 <div id="description"></div> 18 <div id="console"></div> 19 <script> 20 "use strict"; 21 description('Tests texImage2D and texSubImage2D upload path for TEXTURE_CUBE_MAP'); 22 23 var wtu = WebGLTestUtils; 24 var canvas = document.getElementById("example"); 25 var gl = wtu.create3DContext(canvas); 26 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); 27 28 function testOneTarget(target, width, height) { 29 var tex = gl.createTexture(); 30 gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex); 31 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from bindTexture(TEXTURE_CUBE_MAP)."); 32 33 gl.texImage2D(target, 0, gl.RGB, width, height, 0, gl.RGB, gl.UNSIGNED_BYTE, null); 34 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from texImage2D."); 35 36 var buf = new Uint8Array(width * height * 3); 37 gl.texSubImage2D(target, 0, 0, 0, width, height, gl.RGB, gl.UNSIGNED_BYTE, buf); 38 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from texSubImage2D."); 39 } 40 41 testOneTarget(gl.TEXTURE_CUBE_MAP_POSITIVE_X, 16, 16); 42 testOneTarget(gl.TEXTURE_CUBE_MAP_POSITIVE_Y, 16, 16); 43 testOneTarget(gl.TEXTURE_CUBE_MAP_POSITIVE_Z, 16, 16); 44 testOneTarget(gl.TEXTURE_CUBE_MAP_NEGATIVE_X, 16, 16); 45 testOneTarget(gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, 16, 16); 46 testOneTarget(gl.TEXTURE_CUBE_MAP_NEGATIVE_Z, 16, 16); 47 48 var successfullyParsed = true; 49 </script> 50 <script src="../../../js/js-test-post.js"></script> 51 </body> 52 </html>