tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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tex-image-and-sub-image-2d-with-image-bitmap-from-image-bitmap.js (2033B)

      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 function generateTest(internalFormat, pixelFormat, pixelType, prologue, resourcePath, defaultContextVersion) {
      8    var wtu = WebGLTestUtils;
      9    var tiu = TexImageUtils;
     10    var gl = null;
     11    var successfullyParsed = false;
     12 
     13    function init()
     14    {
     15        description('Verify texImage2D and texSubImage2D code paths taking ImageBitmap created from an ImageBitmap (' + internalFormat + '/' + pixelFormat + '/' + pixelType + ')');
     16 
     17        if(!window.createImageBitmap || !window.ImageBitmap) {
     18            finishTest();
     19            return;
     20        }
     21 
     22        // Set the default context version while still allowing the webglVersion URL query string to override it.
     23        wtu.setDefault3DContextVersion(defaultContextVersion);
     24        gl = wtu.create3DContext("example");
     25 
     26        if (!prologue(gl)) {
     27            finishTest();
     28            return;
     29        }
     30 
     31        gl.clearColor(0,0,0,1);
     32        gl.clearDepth(1);
     33        gl.disable(gl.BLEND);
     34 
     35        var imageData = new ImageData(new Uint8ClampedArray(
     36                                      [255, 0, 0, 255,
     37                                      255, 0, 0, 0,
     38                                      0, 255, 0, 255,
     39                                      0, 255, 0, 0]),
     40                                      2, 2);
     41 
     42        createImageBitmap(imageData, {imageOrientation: "none", premultiplyAlpha: "none"})
     43        .catch( () => {
     44            testPassed("createImageBitmap with options may be rejected if it is not supported. Retrying without options.");
     45            return createImageBitmap(imageData);
     46        }).then( bitmap => {
     47            return runImageBitmapTest(bitmap, 0, internalFormat, pixelFormat, pixelType, gl, tiu, wtu, false);
     48        }, () => {
     49            testFailed("createImageBitmap(imageData) should succeed.");
     50        }).then(() => {
     51            finishTest();
     52        });
     53    }
     54 
     55    return init;
     56 }