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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/canvas/test/webgl-conf/checkout/extra/lots-of-polys-example.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/extra/lots-of-polys-example.html')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/extra/lots-of-polys-example.html | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/extra/lots-of-polys-example.html b/dom/canvas/test/webgl-conf/checkout/extra/lots-of-polys-example.html new file mode 100644 index 000000000..519f023cf --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/extra/lots-of-polys-example.html @@ -0,0 +1,110 @@ +<!-- + +/* +** Copyright (c) 2012 The Khronos Group Inc. +** +** Permission is hereby granted, free of charge, to any person obtaining a +** copy of this software and/or associated documentation files (the +** "Materials"), to deal in the Materials without restriction, including +** without limitation the rights to use, copy, modify, merge, publish, +** distribute, sublicense, and/or sell copies of the Materials, and to +** permit persons to whom the Materials are furnished to do so, subject to +** the following conditions: +** +** The above copyright notice and this permission notice shall be included +** in all copies or substantial portions of the Materials. +** +** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. +*/ + +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL Lots of polygons example.</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> +<canvas id="example" width="1024" height="1024" style="width: 40px; height: 40px;"> +</canvas> +<div id="description"></div> +<div id="console"></div> +<script> +"use strict"; +window.onload = init; +debug("Tests a WebGL program that draws a bunch of large polygons"); + +function init() { + if (confirm( + "After clicking OK your machine may become unresponsive or crash.")) { + main(); + } else { + debug("cancelled"); + } +} + +function main() { + var wtu = WebGLTestUtils; + var canvas = document.getElementById("example"); + canvas.addEventListener("webglcontextlost", function(e) { e.preventDefault(); }, false); + canvas.addEventListener("webglcontextrestored", function(e) { }, false); + + var gl = wtu.create3DContext(canvas); + var program = wtu.setupTexturedQuad(gl); + + assertMsg(gl.getError() == gl.NO_ERROR, "Should be no errors from setup."); + + var tex = gl.createTexture(); + gl.enable(gl.BLEND); + gl.disable(gl.DEPTH_TEST); + + wtu.fillTexture(gl, tex, 4096, 4096, [0, 192, 128, 255], 0); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after creating texture"); + + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after setting texture params"); + + var loc = gl.getUniformLocation(program, "tex"); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after getting tex locations"); + gl.uniform1i(loc, 0); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after setting tex uniform"); + + var numQuads = 100000; + var indexBuf = new ArrayBuffer(numQuads * 6); + var indices = new Uint8Array(indexBuf); + for (var ii = 0; ii < numQuads; ++ii) { + var offset = ii * 6; + indices[offset + 0] = 0; + indices[offset + 1] = 1; + indices[offset + 2] = 2; + indices[offset + 3] = 3; + indices[offset + 4] = 4; + indices[offset + 5] = 5; + } + var indexBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer); + gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after creating index buffer"); + gl.drawElements(gl.TRIANGLES, numQuads * 6, gl.UNSIGNED_BYTE, 0); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after drawing"); + + var successfullyParsed = true; +} +</script> +</body> +</html> + + |