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32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Tests the `getPixel` actor method works across threads.
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*/
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function ifWebGLSupported() {
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let { target, front } = yield initBackend(MULTIPLE_CONTEXTS_URL);
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front.setup({ reload: true });
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yield getPrograms(front, 2);
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// Wait a frame to ensure rendering
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yield front.waitForFrame();
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let pixel = yield front.getPixel({ selector: "#canvas1", position: { x: 0, y: 0 }});
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is(pixel.r, 255, "correct `r` value for first canvas.")
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is(pixel.g, 255, "correct `g` value for first canvas.")
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is(pixel.b, 0, "correct `b` value for first canvas.")
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is(pixel.a, 255, "correct `a` value for first canvas.")
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pixel = yield front.getPixel({ selector: "#canvas2", position: { x: 0, y: 0 }});
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is(pixel.r, 0, "correct `r` value for second canvas.")
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is(pixel.g, 255, "correct `g` value for second canvas.")
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is(pixel.b, 255, "correct `b` value for second canvas.")
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is(pixel.a, 255, "correct `a` value for second canvas.")
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yield removeTab(target.tab);
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finish();
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}
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