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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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<!DOCTYPE HTML>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>WebGL test: CaptureStream()</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<script src="captureStream_common.js">
<script src="driver-info.js"></script>
<script src="webgl-util.js"></script>
<script id="vs" type="x-shader/x-vertex">
attribute vec2 aVertCoord;
void main(void) {
gl_Position = vec4(aVertCoord, 0.0, 1.0);
}
</script>
<script id="fs" type="x-shader/x-fragment">
precision mediump float;
uniform vec4 uColor;
void main(void) {
gl_FragColor = uColor;
}
</script>
<body>
<script>
// Globals. Initialized during beginTest().
var c; // Canvas element captured by streams.
var gl; // WebGLContext of |c|.
var h; // CaptureStreamTestHelper holding utility test functions.
var vauto; // Video element with captureStream stream in automatic mode.
var vmanual; // Video element with captureStream stream in manual (fps 0) mode.
var vrate; // Video element with captureStream stream with fixed frame rate.
/* Fails the test if there was a GL error */
function checkGLError(info) {
var error = gl.getError();
// Comparing strings for sake of log output in hex format.
is("0x" + error.toString(16), "0x0", "WebGL error [" + info + "]");
}
function checkClearColorInitialRed() {
info("Checking that clearing to red works for first frame.");
h.clearColor(c, h.red);
vauto.srcObject = c.captureStream();
vmanual.srcObject = c.captureStream(0);
vrate.srcObject = c.captureStream(10);
ok(h.isPixel(h.getPixel(vauto), h.blackTransparent, 0,
"vauto should not be drawn to before stable state"));
ok(h.isPixel(h.getPixel(vrate), h.blackTransparent, 0,
"vrate should not be drawn to before stable state"));
ok(h.isPixel(h.getPixel(vmanual), h.blackTransparent, 0,
"vmanual should not be drawn to before stable state"));
return Promise.resolve()
.then(() => h.waitForPixelColor(vauto, h.red, 0,
"should become red automatically"))
.then(() => h.waitForPixelColor(vrate, h.red, 0,
"should become red automatically"))
.then(() => h.waitForPixelColor(vmanual, h.red, 0,
"should become red when we get to stable " +
"state (first frame)"))
}
function checkDrawColorGreen() {
info("Checking that drawing green results in green video frames.");
var drawing = h.startDrawing(h.drawColor.bind(h, c, h.green));
checkGLError('after DrawColor');
return Promise.resolve()
.then(() => h.waitForPixelColor(vauto, h.green, 0,
"should become green automatically"))
.then(() => h.waitForPixelColor(vrate, h.green, 0,
"should become green automatically"))
.then(() => h.waitForPixelColor(vmanual, h.red, 0,
"should still be red"))
.then(() => h.requestFrame(vmanual))
.then(() => h.waitForPixelColor(vmanual, h.green, 0,
"should become green after requstFrame()"))
.then(() => drawing.stop());
}
function checkClearColorRed() {
info("Checking that clearing to red works.");
var drawing = h.startDrawing(h.clearColor.bind(h, c, h.red));
return Promise.resolve()
.then(() => h.waitForPixelColor(vauto, h.red, 0,
"should become red automatically"))
.then(() => h.waitForPixelColor(vrate, h.red, 0,
"should become red automatically"))
.then(() => h.waitForPixelColor(vmanual, h.green, 0,
"should still be green"))
.then(() => h.requestFrame(vmanual))
.then(() => h.waitForPixelColor(vmanual, h.red, 0,
"should become red after requestFrame()"))
.then(() => drawing.stop());
}
function checkRequestFrameOrderGuarantee() {
info("Checking that requestFrame() immediately after a draw " +
"call results in the expected frame seen in the stream.");
return Promise.resolve()
.then(() => h.waitForPixelColor(vmanual, h.red, 0, "should still be red"))
.then(() => h.drawColor(c, h.green)) // 1. Draw canvas green
.then(() => h.requestFrame(vmanual)) // 2. Immediately request a frame
.then(() => h.waitForPixelColor(vmanual, h.green, 0,
"should become green after call order test"))
}
function checkEndedOnStop() {
let promises = [vauto, vmanual, vrate].map(elem => {
elem.srcObject.getTracks()[0].stop();
return new Promise(resolve =>
elem.addEventListener("ended", function endedListener(event) {
ok(true, "Element " + elem.id + " ended.");
resolve();
elem.removeEventListener("ended", endedListener);
}));
});
return Promise.all(promises);
}
function finish() {
ok(true, 'Test complete.');
SimpleTest.finish();
}
function beginTest() {
h = new CaptureStreamTestHelperWebGL();
c = h.createAndAppendElement('canvas', 'c');
vauto = h.createAndAppendElement('video', 'vauto');
vmanual = h.createAndAppendElement('video', 'vmanual');
vrate = h.createAndAppendElement('video', 'vrate');
gl = WebGLUtil.getWebGL('c', false);
if (!gl) {
todo(false, 'WebGL is unavailable.');
finish();
return;
}
function errorFunc(str) {
ok(false, 'Error: ' + str);
}
WebGLUtil.setErrorFunc(errorFunc);
WebGLUtil.setWarningFunc(errorFunc);
gl.disable(gl.DEPTH_TEST);
prog = WebGLUtil.createProgramByIds(gl, 'vs', 'fs');
if (!prog) {
ok(false, 'Program linking should succeed.');
return;
}
// Setup vertex coordinates for drawing a rectangle across the whole canvas.
prog.aVertCoord = gl.getAttribLocation(prog, "aVertCoord");
ok(prog.aVertCoord >= 0, '`aVertCoord` should be valid.');
var vertCoordArr = new Float32Array([
-1, -1,
1, -1,
-1, 1,
1, 1,
]);
var vertCoordBuff = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertCoordBuff);
gl.bufferData(gl.ARRAY_BUFFER, vertCoordArr, gl.STATIC_DRAW);
gl.useProgram(prog);
gl.enableVertexAttribArray(prog.aVertCoord);
gl.vertexAttribPointer(prog.aVertCoord, 2, gl.FLOAT, false, 0, 0);
// Setup the helper with a pointer to how to change fragment color.
var uColorLocation = gl.getUniformLocation(prog, "uColor");
h.setFragmentColorLocation(uColorLocation);
checkGLError('after setup');
// Run tests.
Promise.resolve()
.then(checkClearColorInitialRed)
.then(checkDrawColorGreen)
.then(checkClearColorRed)
.then(checkRequestFrameOrderGuarantee)
.then(checkEndedOnStop)
.then(finish);
}
SimpleTest.waitForExplicitFinish();
beginTest();
</script>