The Tor Browser: browser/devtools/shadereditor/test/browser

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* Any copyright is dedicated to the Public Domain.

     2    http://creativecommons.org/publicdomain/zero/1.0/ */

     4 /**

     5  * Tests that the rendering is updated when a uniform variable is

     6  * changed in one shader of a page with multiple WebGL contexts.

     7  */

     9 function ifWebGLSupported() {

    10   let [target, debuggee, front] = yield initBackend(MULTIPLE_CONTEXTS_URL);

    11   front.setup({ reload: true });

    13   let [firstProgramActor, secondProgramActor] = yield getPrograms(front, 2);

    15   let firstFragmentShader = yield firstProgramActor.getFragmentShader();

    16   let secondFragmentShader = yield secondProgramActor.getFragmentShader();

    18   let oldFragSource = yield firstFragmentShader.getText();

    19   let newFragSource = oldFragSource.replace("vec4(uColor", "vec4(0.25, 0.25, 0.25");

    20   let status = yield firstFragmentShader.compile(newFragSource);

    21   ok(!status,

    22     "The first new fragment shader source was compiled without errors.");

    24   yield waitForFrame(debuggee);

    25   yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 64, g: 64, b: 64, a: 255 }, true, "#canvas1");

    26   yield ensurePixelIs(debuggee, { x: 127, y: 127 }, { r: 64, g: 64, b: 64, a: 255 }, true, "#canvas1");

    27   yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");

    28   yield ensurePixelIs(debuggee, { x: 127, y: 127 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");

    29   ok(true, "The first fragment shader was changed.");

    31   let oldFragSource = yield secondFragmentShader.getText();

    32   let newFragSource = oldFragSource.replace("vec4(uColor", "vec4(0.75, 0.75, 0.75");

    33   let status = yield secondFragmentShader.compile(newFragSource);

    34   ok(!status,

    35     "The second new fragment shader source was compiled without errors.");

    37   yield waitForFrame(debuggee);

    38   yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 64, g: 64, b: 64, a: 255 }, true, "#canvas1");

    39   yield ensurePixelIs(debuggee, { x: 127, y: 127 }, { r: 64, g: 64, b: 64, a: 255 }, true, "#canvas1");

    40   yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 191, g: 191, b: 191, a: 255 }, true, "#canvas2");

    41   yield ensurePixelIs(debuggee, { x: 127, y: 127 }, { r: 191, g: 191, b: 191, a: 255 }, true, "#canvas2");

    42   ok(true, "The second fragment shader was changed.");

    44   yield removeTab(target.tab);

    45   finish();

    46 }

The Tor Browser / file revision