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<!--
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL texture upload size conformance test</title>
<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
<script src="../../../js/js-test-pre.js"></script>
<script src="../../../js/webgl-test-utils.js"></script>
</head>
<body>
<canvas id="canvas"></canvas>
<div id="description"></div>
<div id="console"></div>
<script>
"use strict";
enableJSTestPreVerboseLogging();
description("Checks that the size of a texture uploaded from an element is set correctly.");
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext("canvas");
var tex = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, tex);
var testUpload = function(upload, expectedWidth, expectedHeight) {
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, upload);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "when calling texImage2D");
wtu.checkTextureSize(gl, expectedWidth, expectedHeight);
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, upload);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "when calling texSubImage2D with the same texture upload");
gl.texSubImage2D(gl.TEXTURE_2D, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, upload);
wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "when calling texSubImage2D with the same texture upload with offset 1, 1");
};
var testImage = function(test, img) {
var width = img.width;
var height = img.height;
testUpload(img, width, height);
debug("Testing changing the width and height attributes of the image");
img.width *= 2;
img.height *= 2;
if (test.isSVG) {
testUpload(img, img.width, img.height);
} else {
testUpload(img, width, height);
}
};
var testVideo = function(test, video) {
// Assuming that the video is not anamorphic, nor has clean aperture data
// that would make the frame size in pixels different.
var width = video.videoWidth;
var height = video.videoHeight;
testUpload(video, width, height);
debug("Testing changing the width and height attributes of the video");
video.width *= 2;
video.height *= 2;
testUpload(video, width, height);
};
var createCanvas2DContext = function(width, height) {
var canvas = document.createElement("canvas");
canvas.width = width;
canvas.height = height;
var ctx = canvas.getContext("2d");
ctx.fillRect(0, 0, width, height);
return ctx;
};
var testImageData = function(test) {
var ctx = createCanvas2DContext(test.width, test.height);
var imageData = ctx.getImageData(0, 0, test.width, test.height);
testUpload(imageData, test.width, test.height);
};
var testCanvas = function(test) {
var ctx = createCanvas2DContext(test.width, test.height);
testUpload(ctx.canvas, test.width, test.height);
debug("Testing changing the dimensions of the same canvas");
ctx.canvas.width = test.width + 1;
ctx.canvas.height = test.height + 1;
testUpload(ctx.canvas, ctx.canvas.width, ctx.canvas.height);
};
var tests = [
{type: "ImageData", width: 123, height: 456},
{type: "canvas", width: 123, height: 456},
{type: "img", isSVG: false, src: "../../../resources/red-green.png"},
{type: "img", isSVG: true, src: "../../../resources/red-green.svg"},
{type: "video", src: "../../../resources/red-green.mp4", videoType: 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"'},
{type: "video", src: "../../../resources/red-green.bt601.vp9.webm", videoType: 'video/webm; codecs="vp9"'},
{type: "video", src: "../../../resources/red-green.webmvp8.webm", videoType: 'video/webm; codecs="vp8, vorbis"'},
];
var testIndex = 0;
var runNextTest = function() {
if (testIndex < tests.length) {
debug("");
var test = tests[testIndex];
++testIndex;
if (test.type == "img") {
debug("HTMLImageElement" + (test.isSVG ? " (SVG)" : ""));
var img = wtu.makeImage(test.src, function() {
testImage(test, img);
setTimeout(runNextTest, 0);
}, function () {
testFailed("could not create image" + (test.isSVG ? " (SVG)" : ""));
setTimeout(runNextTest, 0);
});
} else if (test.type == "video") {
debug("HTMLVideoElement (" + test.videoType + ")");
var video = wtu.makeVideo(test.src);
if(!video.canPlayType(test.videoType).replace(/no/, '')) {
debug(test.videoType + " unsupported");
setTimeout(runNextTest, 0);
return;
}
wtu.startPlayingAndWaitForVideo(video, function() {
testVideo(test, video);
setTimeout(runNextTest, 0);
});
} else if (test.type == "ImageData") {
debug("ImageData");
testImageData(test);
setTimeout(runNextTest, 0);
} else if (test.type == "canvas") {
debug("HTMLCanvasElement");
testCanvas(test);
setTimeout(runNextTest, 0);
}
} else {
finishTest();
}
};
runNextTest();
</script>
</body>
</html>