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Issue 766333003:
canvas: fix bugs on HTMLCanvasElement::copiedImage() (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master| Index: LayoutTests/fast/canvas/canvas-createImageBitmap-webgl.html |
| diff --git a/LayoutTests/fast/canvas/canvas-createImageBitmap-webgl.html b/LayoutTests/fast/canvas/canvas-createImageBitmap-webgl.html |
| index 5d919c3f7673d88773836f7b5ab69c3cc60cb4b1..cb8cb51cd0fceb42ef47517a8122fa0d15a6264f 100644 |
| --- a/LayoutTests/fast/canvas/canvas-createImageBitmap-webgl.html |
| +++ b/LayoutTests/fast/canvas/canvas-createImageBitmap-webgl.html |
| @@ -3,7 +3,14 @@ |
| <script src="../../resources/js-test.js"></script> |
| </head> |
| <body onload="start();"> |
| +<canvas id="webgl" width="200" height="200"></canvas> |
| <script> |
| +/* |
| + * crbug.com/438986 |
| + * window.createImageBitmap(HTMLCanvasElement) copies the back buffer of WebGL. |
| + * So createImageBitmap(HTMLCanvasElement) must create transparent ImageBuffer |
| + * 1 frame after WebGL draws contents. |
| + */ |
| window.jsTestIsAsync = true; |
| var canvas = document.createElement("canvas"); |
| @@ -19,23 +26,39 @@ |
| } |
| function start() { |
| - var aCanvas = document.createElement("canvas"); |
| - aCanvas.width = 200; |
| - aCanvas.height = 200; |
| - var gl = aCanvas.getContext("webgl"); |
| + debug("Check the imageBitmap of webgl.") |
| + var webgl_canvas = document.getElementById("webgl"); |
| + var gl = webgl_canvas.getContext("webgl", {preserveDrawingBuffer: false}); |
| gl.clearColor(0.0, 1.0, 0.0, 1.0); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| + createImageBitmapAndCheck(webgl_canvas).then(function() { |
| + if (window.testRunner) { |
| + testRunner.displayAsyncThen(asyncTest); |
| + } else { |
| + window.requestAnimationFrame(asyncTest); |
| + } |
| + }); |
| + } |
| - createImageBitmap(aCanvas).then(function (imageBitmap) { |
| + function createImageBitmapAndCheck(webgl_canvas) { |
| + return createImageBitmap(webgl_canvas).then(function (imageBitmap) { |
| + ctx.clearRect(0, 0, 200, 200); |
| ctx.drawImage(imageBitmap, 0, 0); |
| shouldBeGreen(50, 50); |
| shouldBeGreen(150, 150); |
| - finishJSTest(); |
| }, function() { |
| testFailed("Promise was rejected."); |
| finishJSTest(); |
| }); |
| } |
| + |
| + function asyncTest() { |
| + debug("Check the imageBitmap of webgl in the next frame. It must fail.") |
|
Ken Russell (switch to Gerrit)
2014/12/11 01:35:56
Please rephrase this test so that the expectations
|
| + var webgl_canvas = document.getElementById("webgl"); |
| + createImageBitmapAndCheck(webgl_canvas).then(function() { |
| + finishJSTest(); |
| + }); |
| + } |
| </script> |
| </body> |
| </html> |
