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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(desc,
internalFormat, pixelFormat, pixelType, prologue, resourcePath, defaultContextVersion,
videos) {
var wtu = WebGLTestUtils;
var tiu = TexImageUtils;
var gl = null;
var c2d = null;
var successfullyParsed = false;
var redColor = [255, 0, 0];
var greenColor = [0, 255, 0];
var currentTolerance = 0;
function init()
{
description(desc + ' (' + 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");
// Subsume 2D canvas tests into this test case since they usually go down similar code paths and
// these tests are usually already set up to run with hardware accelerated video decoding.
c2d = document.getElementById("c2d").getContext("2d");
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);
runAllTests();
}
function runOneIteration(videoElement, useTexSubImage2D, flipY, topColor, bottomColor, sourceSubRectangle, program, bindingTarget)
{
sourceSubRectangleString = '';
if (sourceSubRectangle) {
sourceSubRectangleString = ' sourceSubRectangle=' + sourceSubRectangle;
}
debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
' with flipY=' + flipY + ' bindingTarget=' +
(bindingTarget == gl.TEXTURE_2D ? 'TEXTURE_2D' : 'TEXTURE_CUBE_MAP') +
sourceSubRectangleString);
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 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");
}
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.
var tolerance = currentTolerance;
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);
if (sourceSubRectangle) {
// Skip sub-rectangle tests for cube map textures for the moment.
if (bindingTarget == gl.TEXTURE_CUBE_MAP) {
continue;
}
gl.texSubImage2D(targets[tt], 0, 0, 0,
sourceSubRectangle[2], sourceSubRectangle[3],
gl[pixelFormat], gl[pixelType], videoElement);
} else {
gl.texSubImage2D(targets[tt], 0, 0, 0, gl[pixelFormat], gl[pixelType], videoElement);
}
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
}
}
function runCanvas2DTest(videoElement, topColor, bottomColor)
{
debug('Testing with 2D canvas');
var canvas = c2d.canvas;
// Draw the video to the 2D canvas context.
c2d.drawImage(videoElement, 0, 0, canvas.width, canvas.height);
// Check a few pixels near the top and bottom and make sure they have
// the right color.
// Origin is upper left in 2D canvas context.
var tolerance = currentTolerance;
debug("Checking lower left corner");
wtu.checkCanvasRect(c2d, 4, canvas.height - 8, 2, 2, bottomColor,
"shouldBe " + bottomColor, tolerance);
debug("Checking upper left corner");
wtu.checkCanvasRect(c2d, 4, 4, 2, 2, topColor,
"shouldBe " + topColor, tolerance);
}
function runAllTests()
{
var cases = [
{ sub: false, flipY: true, topColor: redColor, bottomColor: greenColor },
{ sub: false, flipY: false, topColor: greenColor, bottomColor: redColor },
{ sub: true, flipY: true, topColor: redColor, bottomColor: greenColor },
{ sub: true, flipY: false, topColor: greenColor, bottomColor: redColor },
];
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.comment);
debug("video type: " + info.type);
// Default to tolerance of 5.
currentTolerance = info.tolerance || 5;
debug("tolerance: " + currentTolerance);
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; skipping test");
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].sub, cases[i].flipY,
cases[i].topColor, cases[i].bottomColor,
cases[i].sourceSubRectangle,
program, bindingTarget);
}
runCanvas2DTest(video, redColor, greenColor);
runNextVideo();
}
runNextVideo();
});
}
runTexImageTest(gl.TEXTURE_2D).then(function(val) {
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
finishTest();
});
}
return init;
}