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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.
*/
// 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;
var redColor = [255, 0, 0];
var greenColor = [0, 255, 0];
// 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.bt601.vp9.webm", type: 'video/webm; codecs="vp9"', },
{ src: resourcePath + "red-green.webmvp8.webm", type: 'video/webm; codecs="vp8, vorbis"', },
];
function init()
{
description('Verify texImage3D and texSubImage3D 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;
}
switch (gl[pixelFormat]) {
case gl.RED:
case gl.RED_INTEGER:
greenColor = [0, 0, 0];
break;
default:
break;
}
gl.clearColor(0,0,0,1);
gl.clearDepth(1);
runTest();
}
function runOneIteration(videoElement, flipY, useTexSubImage3D, topColor, bottomColor, program, bindingTarget,
depth, sourceSubRectangle, unpackImageHeight, rTextureCoord)
{
debug('Testing ' +
(useTexSubImage3D ? "texSubImage3D" : "texImage3D") +
' with flipY=' + flipY + ' bindingTarget=' +
(bindingTarget == gl.TEXTURE_3D ? 'TEXTURE_3D' : 'TEXTURE_2D_ARRAY') +
(sourceSubRectangle ? ', sourceSubRectangle=' + sourceSubRectangle : '') +
(unpackImageHeight ? ', unpackImageHeight=' + unpackImageHeight : '') +
', depth=' + depth +
', rTextureCoord=' + rTextureCoord);
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_R, gl.CLAMP_TO_EDGE);
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);
gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);
var uploadWidth = videoElement.width;
var uploadHeight = videoElement.height;
if (sourceSubRectangle) {
gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, sourceSubRectangle[0]);
gl.pixelStorei(gl.UNPACK_SKIP_ROWS, sourceSubRectangle[1]);
uploadWidth = sourceSubRectangle[2];
uploadHeight = sourceSubRectangle[3];
}
if (unpackImageHeight) {
gl.pixelStorei(gl.UNPACK_IMAGE_HEIGHT, unpackImageHeight);
}
// Upload the videoElement into the texture
if (useTexSubImage3D) {
// Initialize the texture to black first
gl.texImage3D(bindingTarget, 0, gl[internalFormat],
uploadWidth, uploadHeight, depth, 0,
gl[pixelFormat], gl[pixelType], null);
gl.texSubImage3D(bindingTarget, 0, 0, 0, 0,
uploadWidth, uploadHeight, depth,
gl[pixelFormat], gl[pixelType], videoElement);
} else {
gl.texImage3D(bindingTarget, 0, gl[internalFormat],
uploadWidth, uploadHeight, depth, 0,
gl[pixelFormat], gl[pixelType], videoElement);
}
gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, 0);
gl.pixelStorei(gl.UNPACK_SKIP_ROWS, 0);
gl.pixelStorei(gl.UNPACK_IMAGE_HEIGHT, 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 rCoordLocation = gl.getUniformLocation(program, 'uRCoord');
if (!rCoordLocation) {
testFailed('Shader incorrectly set up; couldn\'t find uRCoord uniform');
return;
}
gl.uniform1f(rCoordLocation, rTextureCoord);
// 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 = 6;
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 = [
// No UNPACK_IMAGE_HEIGHT specified.
{ flipY: false, sourceSubRectangle: [32, 16, 16, 16], depth: 5, rTextureCoord: 0,
topColor: redColor, bottomColor: redColor },
// Note that an rTextureCoord of 4.0 satisfies the need to
// have it be >= 1.0 for the TEXTURE_3D case, and also its
// use as an index in the TEXTURE_2D_ARRAY case.
{ flipY: false, sourceSubRectangle: [32, 16, 16, 16], depth: 5, rTextureCoord: 4,
topColor: greenColor, bottomColor: greenColor },
{ flipY: false, sourceSubRectangle: [24, 48, 32, 32], depth: 1, rTextureCoord: 0,
topColor: greenColor, bottomColor: redColor },
{ flipY: true, sourceSubRectangle: [24, 48, 32, 32], depth: 1, rTextureCoord: 0,
topColor: redColor, bottomColor: greenColor },
// Use UNPACK_IMAGE_HEIGHT to skip some pixels.
{ flipY: false, sourceSubRectangle: [32, 16, 16, 16], depth: 2, unpackImageHeight: 64, rTextureCoord: 0,
topColor: redColor, bottomColor: redColor },
{ flipY: false, sourceSubRectangle: [32, 16, 16, 16], depth: 2, unpackImageHeight: 64, rTextureCoord: 1,
topColor: greenColor, bottomColor: greenColor },
];
function runTexImageTest(bindingTarget) {
var program;
if (bindingTarget == gl.TEXTURE_3D) {
program = tiu.setupTexturedQuadWith3D(gl, internalFormat);
} else {
program = tiu.setupTexturedQuadWith2DArray(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) {
runOneIteration(video, cases[i].flipY, false,
cases[i].topColor, cases[i].bottomColor,
program, bindingTarget, cases[i].depth,
cases[i].sourceSubRectangle,
cases[i].unpackImageHeight,
cases[i].rTextureCoord);
runOneIteration(video, cases[i].flipY, true,
cases[i].topColor, cases[i].bottomColor,
program, bindingTarget, cases[i].depth,
cases[i].sourceSubRectangle,
cases[i].unpackImageHeight,
cases[i].rTextureCoord);
}
runNextVideo();
}
runNextVideo();
});
}
runTexImageTest(gl.TEXTURE_3D).then(function(val) {
runTexImageTest(gl.TEXTURE_2D_ARRAY).then(function(val) {
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
finishTest();
});
});
}
return init;
}