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diff --git a/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-webgl-canvas.js b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-webgl-canvas.js
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+++ b/dom/canvas/test/webgl-conf/checkout/js/tests/tex-image-and-sub-image-3d-with-webgl-canvas.js
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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.
+*/
+
+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];
+
+ function init()
+ {
+ description('Verify texImage3D and texSubImage3D code paths taking webgl canvas 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 setCanvasToRedGreen(ctx) {
+ var width = ctx.canvas.width;
+ var height = ctx.canvas.height;
+ var halfHeight = Math.floor(height / 2);
+
+ ctx.viewport(0, 0, width, height);
+
+ ctx.enable(ctx.SCISSOR_TEST);
+ ctx.scissor(0, 0, width, halfHeight);
+ ctx.clearColor(1.0, 0, 0, 1.0);
+ ctx.clear(ctx.COLOR_BUFFER_BIT);
+ ctx.scissor(0, halfHeight, width, height - halfHeight);
+ ctx.clearColor(0.0, 1.0, 0, 1.0);
+ ctx.clear(ctx.COLOR_BUFFER_BIT);
+ ctx.disable(ctx.SCISSOR_TEST);
+ }
+
+ function setCanvasTo257x257(ctx, bindingTarget) {
+ ctx.canvas.width = 257;
+ ctx.canvas.height = 257;
+ setCanvasToRedGreen(ctx);
+ }
+
+ function setCanvasToMin(ctx, bindingTarget) {
+ ctx.canvas.width = 1;
+ ctx.canvas.height = 2;
+ setCanvasToRedGreen(ctx);
+ }
+
+ function runOneIteration(canvas, flipY, program, bindingTarget, opt_texture)
+ {
+ var objType = 'canvas';
+ if (canvas.transferToImageBitmap)
+ objType = 'OffscreenCanvas';
+ else if (canvas.parentNode)
+ objType = 'canvas attached to DOM';
+ debug('Testing flipY=' + flipY + ' object type: ' + objType +
+ ' bindingTarget=' + (bindingTarget == gl.TEXTURE_3D ? 'TEXTURE_3D' : 'TEXTURE_2D_ARRAY') +
+ ' canvas size: ' + canvas.width + 'x' + canvas.height + ' with red-green');
+
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+ if (!opt_texture) {
+ 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);
+ } else {
+ var texture = opt_texture;
+ }
+ // Set up pixel store parameters
+ gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
+ gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
+ wtu.failIfGLError(gl, 'gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);');
+
+ // Upload the image into the texture
+ // Initialize the texture to black first
+ gl.texImage3D(bindingTarget, 0, gl[internalFormat], canvas.width, canvas.height, 1 /* depth */, 0,
+ gl[pixelFormat], gl[pixelType], null);
+ gl.texSubImage3D(bindingTarget, 0, 0, 0, 0, canvas.width, canvas.height, 1 /* depth */,
+ gl[pixelFormat], gl[pixelType], canvas);
+
+ var width = gl.canvas.width;
+ var height = gl.canvas.height;
+ var halfHeight = Math.floor(height / 2);
+ var top = flipY ? (height - halfHeight) : 0;
+ var bottom = flipY ? 0 : (height - halfHeight);
+
+ // Draw the triangles
+ wtu.clearAndDrawUnitQuad(gl, [0, 255, 0, 255]);
+
+ // Check the top and bottom halves and make sure they have the right color.
+ debug("Checking " + (flipY ? "top" : "bottom"));
+ wtu.checkCanvasRect(gl, 0, bottom, width, halfHeight, redColor, "shouldBe " + redColor);
+ debug("Checking " + (flipY ? "bottom" : "top"));
+ wtu.checkCanvasRect(gl, 0, top, width, halfHeight, greenColor, "shouldBe " + greenColor);
+
+ if (false) {
+ var ma = wtu.makeImageFromCanvas(canvas);
+ document.getElementById("console").appendChild(ma);
+
+ var m = wtu.makeImageFromCanvas(gl.canvas);
+ document.getElementById("console").appendChild(m);
+ document.getElementById("console").appendChild(document.createElement("hr"));
+ }
+
+ return texture;
+ }
+
+ function runTest()
+ {
+ var ctx = wtu.create3DContext();
+ var canvas = ctx.canvas;
+ // Note: We use preserveDrawingBuffer:true to prevent canvas
+ // visibility from interfering with the tests.
+ var visibleCtx = wtu.create3DContext(null, { preserveDrawingBuffer:true });
+ var visibleCanvas = visibleCtx.canvas;
+ var descriptionNode = document.getElementById("description");
+ document.body.insertBefore(visibleCanvas, descriptionNode);
+
+ var cases = [
+ { flipY: true, ctx: ctx, init: setCanvasToMin },
+ { flipY: false, ctx: ctx },
+ { flipY: true, ctx: ctx, init: setCanvasTo257x257 },
+ { flipY: false, ctx: ctx },
+ { flipY: true, ctx: visibleCtx, init: setCanvasToMin},
+ { flipY: false, ctx: visibleCtx },
+ ];
+
+ if (window.OffscreenCanvas) {
+ var offscreen = new OffscreenCanvas(1, 1);
+ var offscreenCtx = wtu.create3DContext(offscreen);
+ cases = cases.concat([
+ { flipY: true, ctx: offscreenCtx, init: setCanvasToMin },
+ { flipY: false, ctx: offscreenCtx },
+ ]);
+ }
+
+ 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 count = 4;
+ var caseNdx = 0;
+ var texture = undefined;
+ function runNextTest() {
+ var c = cases[caseNdx];
+ if (c.init) {
+ c.init(c.ctx, bindingTarget);
+ }
+ texture = runOneIteration(c.ctx.canvas, c.flipY, program, bindingTarget, texture);
+ // for the first 2 iterations always make a new texture.
+ if (count < 2) {
+ gl.deleteTexture(texture);
+ texture = undefined;
+ }
+ ++caseNdx;
+ if (caseNdx == cases.length) {
+ caseNdx = 0;
+ --count;
+ if (!count) {
+ resolve("SUCCESS");
+ return;
+ }
+ }
+ wtu.waitForComposite(runNextTest);
+ }
+ runNextTest();
+ });
+ }
+
+ 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;
+}