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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/js/tests/iterable-test.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/js/tests/iterable-test.js')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/js/tests/iterable-test.js | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/js/tests/iterable-test.js b/dom/canvas/test/webgl-conf/checkout/js/tests/iterable-test.js new file mode 100644 index 0000000000..45e509f50a --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/js/tests/iterable-test.js @@ -0,0 +1,183 @@ +/* +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. +*/ +IterableTest = (function() { + + var wtu = WebGLTestUtils; + + function run(test, iterations) { + var target = iterations || 10; + var count = 0; + + function doNextTest() { + ++count; + debug("Test " + count + " of " + target); + var success = test(); + if (count < target && success !== false) { + wtu.dispatchPromise(doNextTest); + } else { + finishTest(); + } + } + + doNextTest(); + } + + // Creates a canvas and a texture then exits. There are + // no references to either so both should be garbage collected. + function createContextCreationAndDestructionTest() { + var textureSize = null; + + return function() { + var canvas = document.createElement("canvas"); + // This is safe for any device. See drawingBufferWidth in spec. + canvas.width = 2048; + canvas.height = 2048; + var gl = wtu.create3DContext(canvas); + if (textureSize === null) { + var maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE); + textureSize = Math.min(1024, maxTextureSize); + } + var tex = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex); + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, textureSize, textureSize, 0, gl.RGBA, gl.UNSIGNED_BYTE, + null); + gl.clear(gl.COLOR_BUFFER_BIT); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); + + return true; + }; + } + + // Creates many small canvases and attaches them to the DOM. + // This tests an edge case discovered in Chrome where the creation of multiple + // WebGL contexts would eventually lead to context creation failure. + // (crbug.com/319265) The test does not require that old contexts remain + // valid, only that new ones can be created. + function createContextCreationTest() { + return function() { + var canvas = document.createElement("canvas"); + canvas.width = 1; + canvas.height = 1; + + document.body.appendChild(canvas); + + var gl = wtu.create3DContext(canvas); + if (!gl) { + return false; + } + + gl.clear(gl.COLOR_BUFFER_BIT); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); + + return true; + }; + } + + // Draws rectangle on a passed canvas with preserveDrawingBuffer + // and antialiasing ON, tests rect color on every iteration. + function createMultisampleCorruptionTest(gl) { + var lastContext = null; + // Allocate a read back buffer in advance and reuse it for all iterations + // to avoid memory issues because of late garbage collection. + var readBackBuf = new Uint8Array(gl.canvas.width * gl.canvas.height * 4); + + var program = wtu.loadStandardProgram(gl); + var uniforms = wtu.getUniformMap(gl, program); + gl.useProgram(program); + + gl.clearColor(1.0, 0.0, 0.0, 1.0); + gl.clear(gl.COLOR_BUFFER_BIT); + + var vertexObject = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,2.5,0, 1.5,1.5,0, 2.5,1.5,0 ]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(0); + gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); + gl.vertexAttrib3f(1, 0.0, 0.0, 1.0); + + var identityMat = new Float32Array([ + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ]); + + gl.uniformMatrix4fv(uniforms.u_modelViewProjMatrix.location, false, identityMat); + + function test() { + var gl2 = wtu.create3DContext(null, {antialias: true}); + + gl2.canvas.width = gl2.canvas.height = 1024; + gl2.canvas.style.width = gl2.canvas.style.height = "1px"; + document.body.appendChild(gl2.canvas); + + gl2.clearColor(1.0, 0.0, 0.0, 1.0); + gl2.clear(gl2.COLOR_BUFFER_BIT); + + if(lastContext) { + gl.drawArrays(gl.TRIANGLES, 0, 3); + var msg = "Canvas should be red"; + wtu.checkCanvasRectColor(gl, + 0, 0, gl.canvas.width, gl.canvas.height, + [255, 0, 0, 255], null, + function() { + testPassed(msg); + }, + function() { + testFailed(msg); + return false; + }, + debug, readBackBuf); + document.body.removeChild(lastContext.canvas); + } + + lastContext = gl2; + return true; + }; + + // First pass does initialization + test(); + + return test; + } + + // Draws repeatedly to a large canvas with preserveDrawingBuffer enabled to + // try and provoke a context loss. + function createPreserveDrawingBufferLeakTest(gl) { + var contextActive = true; + gl.canvas.addEventListener("webglcontextlost", () => { + testFailed("Context was lost"); + contextActive = false; + }); + + function test() { + var x = Math.random() * gl.drawingBufferWidth; + var y = Math.random() * gl.drawingBufferHeight; + var width = Math.random() * (gl.drawingBufferWidth - x); + var height = Math.random() * (gl.drawingBufferHeight - y); + + gl.enable(gl.SCISSOR_TEST); + gl.scissor(x, y, width, height); + gl.clearColor(Math.random(), Math.random(), Math.random(), 1.0); + gl.clear(gl.COLOR_BUFFER_BIT); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors"); + + return contextActive; + }; + + return test; + } + + return { + run: run, + + createContextCreationAndDestructionTest: createContextCreationAndDestructionTest, + createContextCreationTest: createContextCreationTest, + createMultisampleCorruptionTest: createMultisampleCorruptionTest, + createPreserveDrawingBufferLeakTest: createPreserveDrawingBufferLeakTest + }; + +})(); |