skia2/modules/canvaskit/tests/util.js
Kevin Lubick 3f67f411d8 [canvaskit] Move from experimental to modules
Bug: skia:
Change-Id: I2ffd54cf81c974f3a80103e1726a06067cc90d82
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/200044
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
2019-03-11 21:09:52 +00:00

19 lines
896 B
JavaScript

// The size of the golden images (DMs)
const CANVAS_WIDTH = 600;
const CANVAS_HEIGHT = 600;
function reportSurface(surface, testname, done) {
// In docker, the webgl canvas is blank, but the surface has the pixel
// data. So, we copy it out and draw it to a normal canvas to take a picture.
// To be consistent across CPU and GPU, we just do it for all configurations
// (even though the CPU canvas shows up after flush just fine).
let pixels = surface.getCanvas().readPixels(0, 0, CANVAS_WIDTH, CANVAS_HEIGHT);
pixels = new Uint8ClampedArray(pixels.buffer);
const imageData = new ImageData(pixels, CANVAS_WIDTH, CANVAS_HEIGHT);
let reportingCanvas = document.getElementById('report');
reportingCanvas.getContext('2d').putImageData(imageData, 0, 0);
reportCanvas(reportingCanvas, testname).then(() => {
done();
}).catch(reportError(done));
}