Source code

Revision control

Copy as Markdown

Other Tools

/*
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.
*/
// This block needs to be outside the onload handler in order for this
// test to run reliably in WebKit's test harness (at least the
initTestingHarness();
var old = debug;
var debug = function(msg) {
bufferedLogToConsole(msg);
old(msg);
};
function generateTest(internalFormat, pixelFormat, pixelType, prologue, resourcePath, defaultContextVersion) {
var wtu = WebGLTestUtils;
var tiu = TexImageUtils;
var gl = null;
var successfullyParsed = false;
// Test each format separately because many browsers implement each
// differently. Some might be GPU accelerated, some might not. Etc...
var videos = [
{ src: resourcePath + "red-green.mp4" , type: 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"', },
{ src: resourcePath + "red-green.webmvp8.webm" , type: 'video/webm; codecs="vp8, vorbis"', },
{ src: resourcePath + "red-green.bt601.vp9.webm", type: 'video/webm; codecs="vp9"', },
];
function init()
{
description('Verify texImage2D and texSubImage2D code paths taking video elements (' + internalFormat + '/' + pixelFormat + '/' + pixelType + ')');
// Set the default context version while still allowing the webglVersion URL query string to override it.
wtu.setDefault3DContextVersion(defaultContextVersion);
gl = wtu.create3DContext("example");
if (!prologue(gl)) {
finishTest();
return;
}
gl.clearColor(0,0,0,1);
gl.clearDepth(1);
runTest();
}
function runOneIteration(videoElement, unpackColorSpace, useTexSubImage2D, flipY, topColorName, bottomColorName, sourceSubRectangle, program, bindingTarget)
{
sourceSubRectangleString = '';
if (sourceSubRectangle) {
sourceSubRectangleString = ' sourceSubRectangle=' + sourceSubRectangle;
}
unpackColorSpaceString = '';
if (unpackColorSpace) {
unpackColorSpaceString = ' unpackColorSpace=' + unpackColorSpace;
}
debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
' with flipY=' + flipY + ' bindingTarget=' +
(bindingTarget == gl.TEXTURE_2D ? 'TEXTURE_2D' : 'TEXTURE_CUBE_MAP') +
sourceSubRectangleString + unpackColorSpaceString);
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
// Disable any writes to the alpha channel
gl.colorMask(1, 1, 1, 0);
var texture = gl.createTexture();
// Bind the texture to texture unit 0
gl.bindTexture(bindingTarget, texture);
// Set up texture parameters
gl.texParameteri(bindingTarget, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(bindingTarget, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(bindingTarget, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
// Set up pixel store parameters
gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
var targets = [gl.TEXTURE_2D];
if (bindingTarget == gl.TEXTURE_CUBE_MAP) {
targets = [gl.TEXTURE_CUBE_MAP_POSITIVE_X,
gl.TEXTURE_CUBE_MAP_NEGATIVE_X,
gl.TEXTURE_CUBE_MAP_POSITIVE_Y,
gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,
gl.TEXTURE_CUBE_MAP_POSITIVE_Z,
gl.TEXTURE_CUBE_MAP_NEGATIVE_Z];
}
// Handle target color space.
if (unpackColorSpace) {
gl.unpackColorSpace = unpackColorSpace;
}
// Handle the source sub-rectangle if specified (WebGL 2.0 only)
if (sourceSubRectangle) {
gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, sourceSubRectangle[0]);
gl.pixelStorei(gl.UNPACK_SKIP_ROWS, sourceSubRectangle[1]);
}
// Upload the videoElement into the texture
for (var tt = 0; tt < targets.length; ++tt) {
if (sourceSubRectangle) {
// Initialize the texture to black first
if (useTexSubImage2D) {
// Skip sub-rectangle tests for cube map textures for the moment.
if (bindingTarget == gl.TEXTURE_CUBE_MAP) {
continue;
}
gl.texImage2D(targets[tt], 0, gl[internalFormat],
sourceSubRectangle[2], sourceSubRectangle[3], 0,
gl[pixelFormat], gl[pixelType], null);
gl.texSubImage2D(targets[tt], 0, 0, 0,
sourceSubRectangle[2], sourceSubRectangle[3],
gl[pixelFormat], gl[pixelType], videoElement);
} else {
gl.texImage2D(targets[tt], 0, gl[internalFormat],
sourceSubRectangle[2], sourceSubRectangle[3], 0,
gl[pixelFormat], gl[pixelType], videoElement);
}
} else {
// Initialize the texture to black first
if (useTexSubImage2D) {
var width = videoElement.videoWidth;
var height = videoElement.videoHeight;
if (bindingTarget == gl.TEXTURE_CUBE_MAP) {
// cube map texture must be square.
width = Math.max(width, height);
height = width;
}
gl.texImage2D(targets[tt], 0, gl[internalFormat],
width, height, 0,
gl[pixelFormat], gl[pixelType], null);
gl.texSubImage2D(targets[tt], 0, 0, 0, gl[pixelFormat], gl[pixelType], videoElement);
} else {
gl.texImage2D(targets[tt], 0, gl[internalFormat], gl[pixelFormat], gl[pixelType], videoElement);
}
}
}
if (sourceSubRectangle) {
gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, 0);
gl.pixelStorei(gl.UNPACK_SKIP_ROWS, 0);
}
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);
var loc;
if (bindingTarget == gl.TEXTURE_CUBE_MAP) {
loc = gl.getUniformLocation(program, "face");
}
// Compute the test colors. This test only tests RGB (not A).
const topColor = wtu.colorAsSampledWithInternalFormat(
wtu.namedColorInColorSpace(topColorName, unpackColorSpace),
internalFormat).slice(0, 3);
const bottomColor = wtu.colorAsSampledWithInternalFormat(
wtu.namedColorInColorSpace(bottomColorName, unpackColorSpace),
internalFormat).slice(0, 3);
for (var tt = 0; tt < targets.length; ++tt) {
if (bindingTarget == gl.TEXTURE_CUBE_MAP) {
gl.uniform1i(loc, targets[tt]);
}
// 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.
const tolerance = Math.max(6, tiu.tolerance(internalFormat, pixelFormat, pixelType));
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);
}
}
function runTest(videoElement)
{
var cases = [
{ sub: false, flipY: true, topColor: 'Red', bottomColor: 'Green' },
{ sub: false, flipY: false, topColor: 'Green', bottomColor: 'Red' },
{ sub: true, flipY: true, topColor: 'Red', bottomColor: 'Green' },
{ sub: true, flipY: false, topColor: 'Green', bottomColor: 'Red' },
];
if (wtu.getDefault3DContextVersion() > 1) {
cases = cases.concat([
{ sub: false, flipY: false, topColor: 'Red', bottomColor: 'Red',
sourceSubRectangle: [20, 16, 40, 32] },
{ sub: false, flipY: true, topColor: 'Green', bottomColor: 'Green',
sourceSubRectangle: [20, 16, 40, 32] },
{ sub: false, flipY: false, topColor: 'Green', bottomColor: 'Green',
sourceSubRectangle: [20, 80, 40, 32] },
{ sub: false, flipY: true, topColor: 'Red', bottomColor: 'Red',
sourceSubRectangle: [20, 80, 40, 32] },
{ sub: true, flipY: false, topColor: 'Red', bottomColor: 'Red',
sourceSubRectangle: [20, 16, 40, 32] },
{ sub: true, flipY: true, topColor: 'Green', bottomColor: 'Green',
sourceSubRectangle: [20, 16, 40, 32] },
{ sub: true, flipY: false, topColor: 'Green', bottomColor: 'Green',
sourceSubRectangle: [20, 80, 40, 32] },
{ sub: true, flipY: true, topColor: 'Red', bottomColor: 'Red',
sourceSubRectangle: [20, 80, 40, 32] },
]);
}
cases = tiu.crossProductTestCasesWithUnpackColorSpaces(
cases, tiu.unpackColorSpacesToTest(gl));
function runTexImageTest(bindingTarget) {
var program;
if (bindingTarget == gl.TEXTURE_2D) {
program = tiu.setupTexturedQuad(gl, internalFormat);
} else {
program = tiu.setupTexturedQuadWithCubeMap(gl, internalFormat);
}
return new Promise(function(resolve, reject) {
var videoNdx = 0;
var video;
function runNextVideo() {
if (video) {
video.pause();
}
if (videoNdx == videos.length) {
resolve("SUCCESS");
return;
}
var info = videos[videoNdx++];
debug("");
debug("testing: " + info.type);
video = document.createElement("video");
video.muted = true;
var canPlay = true;
if (!video.canPlayType) {
testFailed("video.canPlayType required method missing");
runNextVideo();
return;
}
if(!video.canPlayType(info.type).replace(/no/, '')) {
debug(info.type + " unsupported");
runNextVideo();
return;
};
document.body.appendChild(video);
video.type = info.type;
video.src = info.src;
wtu.startPlayingAndWaitForVideo(video, runTest);
}
function runTest() {
for (var i in cases) {
if (bindingTarget == gl.TEXTURE_CUBE_MAP) {
// Cube map texture must be square but video is not square.
if (!cases[i].sub) {
break;
}
// Skip sub-rectangle tests for cube map textures for the moment.
if (cases[i].sourceSubRectangle) {
break;
}
}
runOneIteration(video, cases[i].unpackColorSpace, cases[i].sub, cases[i].flipY,
cases[i].topColor,
cases[i].bottomColor,
cases[i].sourceSubRectangle,
program, bindingTarget);
}
runNextVideo();
}
runNextVideo();
});
}
runTexImageTest(gl.TEXTURE_2D).then(function(val) {
runTexImageTest(gl.TEXTURE_CUBE_MAP).then(function(val) {
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
finishTest();
});
});
}
return init;
}