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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">
<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>
<script>
"use strict";
var wtu = WebGLTestUtils;
var gl = null;
var textureLoc = null;
var successfullyParsed = false;
initTestingHarness();
function logVisibility(isOnload)
{
let prefix = '';
if (isOnload)
prefix = 'Upon load: ';
if (document.hidden) {
console.log(prefix + '*** Tab was backgrounded (if running in automated test harness, why?) ***');
} else {
console.log(prefix + 'Tab was foregrounded');
}
}
function init()
{
description('Verify npot video');
document.addEventListener("visibilitychange", visibilityChanged, false);
logVisibility(true);
var canvas = document.getElementById("example");
gl = wtu.create3DContext(canvas);
var program = wtu.setupTexturedQuad(gl);
gl.clearColor(0,0,0,1);
gl.clearDepth(1);
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
// Disable any writes to the alpha channel
gl.colorMask(1, 1, 1, 0);
textureLoc = gl.getUniformLocation(program, "tex");
var video = document.getElementById("vid");
wtu.startPlayingAndWaitForVideo(video, runTest);
}
function visibilityChanged() {
logVisibility(false);
}
function runOneIteration(videoElement, useTexSubImage2D, flipY, topColor, bottomColor, badMinFilter, badClamp, genMips)
{
debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
' with flipY=' + flipY);
var texture = gl.createTexture();
// Bind the texture to texture unit 0
gl.bindTexture(gl.TEXTURE_2D, texture);
// Set up pixel store parameters
gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
// Upload the videoElement into the texture
debug("size: " + videoElement.videoWidth + "x" + videoElement.videoHeight);
if (useTexSubImage2D) {
// Initialize the texture to black first
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA,
videoElement.videoWidth, videoElement.videoHeight, 0,
gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, videoElement);
} else {
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, videoElement);
}
// Set up texture parameters
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
if (badMinFilter) {
debug("bad min filter");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST);
} else {
debug("good min filter");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
}
if (badClamp) {
debug("bad clamp");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
} else {
debug("good clamp");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
}
if (genMips) {
debug("generate mips");
gl.generateMipmap(gl.TEXTURE_2D);
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "should be INVALID_OPERATION");
}
// var c = document.createElement("canvas");
// c.width = 16;
// c.height = 16;
// c.style.border = "1px solid black";
// var ctx = c.getContext("2d");
// ctx.drawImage(videoElement, 0, 0, 16, 16);
// document.body.appendChild(c);
// Point the uniform sampler to texture unit 0
gl.uniform1i(textureLoc, 0);
// Draw the triangles
wtu.clearAndDrawUnitQuad(gl, [0, 0, 0, 255]);
// Check a few pixels near the top and bottom and make sure they have
// the right color.
var tolerance = 5;
debug("Checking lower left corner");
wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,
"shouldBe " + bottomColor, tolerance);
debug("Checking upper left corner");
wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,
"shouldBe " + topColor, tolerance);
debug("");
}
function runTest(videoElement)
{
var red = [255, 0, 0];
var green = [0, 255, 0];
var black = [0, 0, 0];
runOneIteration(videoElement, false, true, black, black, true, true, true);
runOneIteration(videoElement, false, true, black, black, true, false, false);
runOneIteration(videoElement, false, true, black, black, false, true, false);
runOneIteration(videoElement, false, true, black, black, true, true, false);
runOneIteration(videoElement, false, true, green, red, false, false, false);
runOneIteration(videoElement, false, false, red, green, false, false, false);
runOneIteration(videoElement, true, true, green, red, false, false, false);
runOneIteration(videoElement, true, false, red, green, false, false, false);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
finishTest();
}
</script>
</head>
<body onload="init()">
<canvas id="example" width="64" height="48"></canvas>
<div id="description"></div>
<div id="console"></div>
<video id="vid" style="display:none;" muted>
<source src="../../../resources/npot-video.mp4" type='video/mp4; codecs="avc1.42E01E"' />
<source src="../../../resources/npot-video.webmvp8.webm" type='video/webm; codecs="vp8"' />
<source src="../../../resources/npot-video.theora.ogv" type='video/ogg; codecs="theora"' />
</video>
</body>
</html>
|
