| <!-- |
| Copyright (c) 2021 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| --> |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL toDataURL after composite test</title> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../js/js-test-pre.js"></script> |
| <script src="../../js/webgl-test-utils.js"> </script> |
| </head> |
| <body> |
| <canvas width="20" height="20" style="border: 1px solid black; width: 128px; height: 128px" id="c3d"></canvas> |
| <canvas width="20" height="20" style="border: 1px solid black; width: 128px; height: 128px" id="c2d"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script type="application/javascript"> |
| const wtu = WebGLTestUtils; |
| let gl; |
| let ctx; |
| |
| function main() { |
| description(); |
| const c2d = document.getElementById("c2d"); |
| ctx = c2d.getContext("2d"); |
| gl = wtu.create3DContext("c3d", { preserveDrawingBuffer: true }); |
| |
| // Clear to green |
| gl.clearColor(0.0, 1.0, 0.0, 1.0); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| |
| wtu.waitForComposite(() => { |
| // Performs gl.canvas.toDataURL() internally |
| let img = wtu.makeImageFromCanvas(gl.canvas, function() { |
| ctx.drawImage(img, 0, 0); |
| wtu.checkCanvas(ctx, [0, 255, 0], "toDataURL loaded into image, drawn into 2D context, should be green", 5); |
| finishTest(); |
| }); |
| }); |
| |
| }; |
| |
| main(); |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
| |
