| Index: LayoutTests/fast/canvas/webgl/draw-webgl-to-canvas-2d-after-to-data-url-without-context.html
|
| diff --git a/LayoutTests/fast/canvas/webgl/draw-webgl-to-canvas-2d-after-to-data-url-without-context.html b/LayoutTests/fast/canvas/webgl/draw-webgl-to-canvas-2d-after-to-data-url-without-context.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..359649a401a5471c5632533263d575958d561085
|
| --- /dev/null
|
| +++ b/LayoutTests/fast/canvas/webgl/draw-webgl-to-canvas-2d-after-to-data-url-without-context.html
|
| @@ -0,0 +1,39 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<body>
|
| +<span id="description" style="color: white">
|
| +Everything is same to draw-webgl-to-canvas-2d.html except for calling
|
| +redundant toDataURL().
|
| +Canvas spec allows to call toDataURL() without a context. Some bad things
|
| +can happen if we call toDataURL() without a context and then create a context
|
| +and then call toDataURL() again.
|
| +</span>
|
| +<canvas id="preserve-canvas3d" width="100" height="100"></canvas>
|
| +<canvas id="preserve-canvas2d" width="100" height="100"></canvas>
|
| +<canvas id="nonpreserve-canvas3d" width="100" height="100"></canvas>
|
| +<canvas id="nonpreserve-canvas2d" width="100" height="100"></canvas>
|
| +<script src="../../../resources/js-test.js"></script>
|
| +<script src="resources/draw-webgl-to-canvas-2d.js"></script>
|
| +<script>
|
| +function createContexts() {
|
| + var preserve_canvas2d = document.getElementById("preserve-canvas2d");
|
| + preserve_canvas2d.toDataURL();
|
| + preserve_ctx2D = preserve_canvas2d.getContext("2d");
|
| + preserve_canvas2d.toDataURL();
|
| + preserve_canvas3D = document.getElementById('preserve-canvas3d');
|
| + preserve_canvas3D.toDataURL();
|
| + preserve_gl = preserve_canvas3D.getContext('webgl', {'preserveDrawingBuffer': true});
|
| + preserve_canvas3D.toDataURL();
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| +
|
| + var nonpreserve_canvas2d = document.getElementById("nonpreserve-canvas2d");
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| + nonpreserve_canvas2d.toDataURL();
|
| + nonpreserve_ctx2D = nonpreserve_canvas2d.getContext("2d");
|
| + nonpreserve_canvas2d.toDataURL();
|
| + nonpreserve_canvas3D = document.getElementById('nonpreserve-canvas3d');
|
| + nonpreserve_canvas3D.toDataURL();
|
| + nonpreserve_gl = nonpreserve_canvas3D.getContext('webgl', {'preserveDrawingBuffer': false});
|
| + nonpreserve_canvas3D.toDataURL();
|
| +}
|
| +</script>
|
| +</body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 750273003:
canvas: calling toDataURL without context doesn't create a buffer of canvas 2d. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master