texImage-imageBitmap-from-imageBitmap-from-offscreen-canvas.html

<!DOCTYPE html>
<html>
<head>
<script src="./resources/webgl-test-utils-full.js"></script>
<script src="./resources/tex-image-and-sub-image-utils.js"></script>
<script src="./resources/tex-image-and-sub-image-image-bitmap-utils.js"></script>
<script src="../../resources/js-test.js"></script>
<script>

window.jsTestIsAsync = true;

var wtu = WebGLTestUtils;
var tiu = TexImageUtils;
var gl = null;
var internalFormat = "RGBA";
var pixelFormat = "RGBA";
var pixelType = "UNSIGNED_BYTE";
var redColor = [255, 0, 0];
var greenColor = [0, 255, 0];
var blackColor = [0, 0, 0];
var darkRed = [26, 0, 0];
var darkGreen = [0, 26, 0];

function promiseRejected()
{
    document.getElementById("results").innerHTML = "Promise <span style='color:red'>REJECTED</span>";
}

function pass()
{
    document.getElementById("results").innerHTML = "Test <span style='color:green'>PASSED</span>";
}

function setCanvasToRedGreen(ctx) {
    ctx.canvas.width = 2;
    ctx.canvas.height = 2;
    var width = ctx.canvas.width;
    var halfWidth = Math.floor(width / 2);
    var height = ctx.canvas.height;
    var halfHeight = Math.floor(height / 2);
    ctx.fillStyle = "rgba(255, 0, 0, 1)";
    ctx.fillRect(0, 0, halfWidth, halfHeight);
    ctx.fillStyle = "rgba(255, 0, 0, 0.1)";
    ctx.fillRect(halfWidth, 0, halfWidth, halfHeight);
    ctx.fillStyle = "rgba(0, 255, 0, 1)";
    ctx.fillRect(0, halfHeight, halfWidth, halfHeight);
    ctx.fillStyle = "rgba(0, 255, 0, 0.1)";
    ctx.fillRect(halfWidth, halfHeight, halfWidth, halfHeight);
}

function generateTest()
{
    var bitmaps = [];

    var canvas = document.getElementById("example");
    gl = canvas.getContext("webgl");

    gl.clearColor(0,0,0,1);
    gl.clearDepth(1);

    var testCanvas = document.createElement('canvas');
    var offscreen = testCanvas.transferControlToOffscreen();
    var ctx = offscreen.getContext('2d');
    setCanvasToRedGreen(ctx);

    var bitmap; // bitmap will be in unpremultiplied format
    createImageBitmap(offscreen, {imageOrientation: "from-image", premultiplyAlpha: "none"}).then(function(imageBitmap) {
        bitmap = imageBitmap;
        var p1 = createImageBitmap(bitmap).then(function(imageBitmap) { bitmaps.defaultOption = imageBitmap });
        var p2 = createImageBitmap(bitmap, {imageOrientation: "from-image", premultiplyAlpha: "premultiply"}).then(function(imageBitmap) { bitmaps.noFlipYPremul = imageBitmap });
        var p3 = createImageBitmap(bitmap, {imageOrientation: "from-image", premultiplyAlpha: "default"}).then(function(imageBitmap) { bitmaps.noFlipYDefault = imageBitmap });
        var p4 = createImageBitmap(bitmap, {imageOrientation: "from-image", premultiplyAlpha: "none"}).then(function(imageBitmap) { bitmaps.noFlipYUnpremul = imageBitmap });
        var p5 = createImageBitmap(bitmap, {imageOrientation: "flipY", premultiplyAlpha: "premultiply"}).then(function(imageBitmap) { bitmaps.flipYPremul = imageBitmap });
        var p6 = createImageBitmap(bitmap, {imageOrientation: "flipY", premultiplyAlpha: "default"}).then(function(imageBitmap) { bitmaps.flipYDefault = imageBitmap });
        var p7 = createImageBitmap(bitmap, {imageOrientation: "flipY", premultiplyAlpha: "none"}).then(function(imageBitmap) { bitmaps.flipYUnpremul = imageBitmap });
        var p8 = createImageBitmap(bitmap).then(function(imageBitmap) { bitmaps.colorSpaceDef = imageBitmap });
        var p9 = createImageBitmap(bitmap, {colorSpaceConversion: "none"}).then(function(imageBitmap) { bitmaps.colorSpaceNone = imageBitmap });
        var p10 = createImageBitmap(bitmap, {colorSpaceConversion: "default"}).then(function(imageBitmap) { bitmaps.colorSpaceDefault = imageBitmap });
        Promise.all([p1, p2, p3, p4, p5, p6, p7, p8, p9, p10]).then(function() {
            var alphaVal = 0.5;
            var testPassed = runTest(bitmaps, alphaVal, false);
            if (testPassed)
                pass();
            finishJSTest();
        }, function() {
            promiseRejected();
            finishJSTest();
        });
    }, function() {
        promiseRejected();
        finishJSTest();
    });
}

function init()
{
    if (window.testRunner) {
        testRunner.dumpAsText();
    }
    generateTest();
}
</script>
</head>
<body onload="init()">
<canvas id="example" width="32" height="32"></canvas>
<div id="results">Test <span style="color:red">FAILED</span></div>
</body>
</html>
chromium/third_party/blink/web_tests/fast/webgl/texImage-imageBitmap-from-imageBitmap-from-offscreen-canvas.html
