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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/canvas/test/webgl-conf/checkout/extra/out-of-bounds-uniform-array-access.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/extra/out-of-bounds-uniform-array-access.html')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/extra/out-of-bounds-uniform-array-access.html | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/extra/out-of-bounds-uniform-array-access.html b/dom/canvas/test/webgl-conf/checkout/extra/out-of-bounds-uniform-array-access.html new file mode 100644 index 0000000000..917361e986 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/extra/out-of-bounds-uniform-array-access.html @@ -0,0 +1,105 @@ +<!-- +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. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL out of bounds uniform array access.</title> +<link rel="stylesheet" href="../resources/js-test-style.css"/> +<script src="../js/js-test-pre.js"></script> +<script src="../js/webgl-test-utils.js"> </script> +</head> +<body style="background: #666;"> +<div id="description"></div> +<div id="console"></div> +<div>elem mult: <span id="elemMultDisplay"></span></div> +<input type="range" id="elemMult" value="4" min="0" max="2048" style="width: 100%;"/> +<div>line width: <span id="lineWidthDisplay"></span></div> +<input type="range" id="lineWidth" value="512" min="0" max="2540" style="width: 100%;"/> +<canvas id="example" width="256" height="256" style="background: black;"> +</canvas> +<script id="vshader" type="x-shader/x-vertex"> +attribute vec4 vPosition; +varying vec4 v_color; +uniform float lineWidth; +uniform int elemMult; +uniform vec4 someArray[2]; +void main() +{ + vec2 texcoord = vec2(vPosition.xy * 0.5 + vec2(0.5, 0.5)); + int index = int(texcoord.x + texcoord.y * lineWidth) * elemMult; + v_color = someArray[index]; + gl_Position = vPosition; +} +</script> + +<script id="fshader" type="x-shader/x-fragment"> +precision mediump float; +varying vec4 v_color; +void main() +{ + gl_FragColor = v_color * vec4(1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0) + vec4(0,0,0,0.5); +} +</script> +<script> +"use strict"; +window.onload = main; +debug("Tests a WebGL program that accesses out of bounds uniform array elements"); + +function main() { + var wtu = WebGLTestUtils; + var gl = wtu.create3DContext("example"); + var program = wtu.setupProgram( + gl, + ['vshader', 'fshader'], + ['vPosition'], [0]); + var gridRes = 255; + wtu.setupIndexedQuad(gl, gridRes, 0); + var lineWidthLoc = gl.getUniformLocation(program, "lineWidth"); + var elemMultLoc = gl.getUniformLocation(program, "elemMult"); + assertMsg(gl.getError() == gl.NO_ERROR, "Should be no errors from setup."); + + var lineWidth = 512; + var lineWidthElem = document.getElementById("lineWidth"); + var lineWidthDisplayElem = document.getElementById("lineWidthDisplay"); + + lineWidthElem.value = lineWidth; + + lineWidthElem.addEventListener('change', function(event) { + //console.log(event.target.value); + lineWidth = event.target.value; + draw(); + }, false); + + var elemMult = 4; + var elemMultElem = document.getElementById("elemMult"); + var elemMultDisplayElem = document.getElementById("elemMultDisplay"); + + elemMultElem.value = elemMult; + + elemMultElem.addEventListener('change', function(event) { + //console.log(event.target.value); + elemMult = event.target.value; + draw(); + }, false); + + draw(); + + function draw() { + lineWidthDisplayElem.innerText = lineWidth; + elemMultDisplayElem.innerText = elemMult; + gl.uniform1f(lineWidthLoc, lineWidth); + gl.uniform1i(elemMultLoc, elemMult); + gl.drawElements(gl.TRIANGLES, gridRes * gridRes * 6, gl.UNSIGNED_SHORT, 0); + } + + var successfullyParsed = true; +} + +</script> +</body> +</html> |