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7051305d50
This is the actual upgrade. The canonical URL for this test suite is https://cvs.khronos.org/svn/repos/registry/trunk/public/webgl/sdk/tests/
89 lines
2.9 KiB
HTML
89 lines
2.9 KiB
HTML
<!--
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Copyright (c) 2009 The Chromium Authors. All rights reserved.
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Use of this source code is governed by a BSD-style license that can be
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found in the LICENSE file.
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-->
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta charset="utf-8">
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<title>WebGL Lots of polygons example.</title>
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<link rel="stylesheet" href="../resources/js-test-style.css"/>
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<script src="../resources/js-test-pre.js"></script>
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<script src="../conformance/resources/webgl-test-utils.js"> </script>
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</head>
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<body>
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<canvas id="example" width="1024" height="1024" style="width: 40px; height: 40px;">
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</canvas>
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<div id="description"></div>
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<div id="console"></div>
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<script>
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window.onload = init;
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debug("Tests a WebGL program that draws a bunch of large polygons");
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function init() {
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if (confirm(
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"after clicking ok your machine may be come unresponsive or crash")) {
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main();
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} else {
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debug("cancelled");
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}
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}
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function main() {
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var wtu = WebGLTestUtils;
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var canvas = document.getElementById("example");
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canvas.addEventListener("webglcontextlost", function(e) { e.preventDefault(); }, false);
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canvas.addEventListener("webglcontextrestored", function(e) { }, false);
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var gl = wtu.create3DContext(canvas);
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var program = wtu.setupTexturedQuad(gl);
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assertMsg(gl.getError() == gl.NO_ERROR, "Should be no errors from setup.");
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var tex = gl.createTexture();
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gl.enable(gl.BLEND);
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gl.disable(gl.DEPTH_TEST);
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wtu.fillTexture(gl, tex, 4096, 4096, [0, 192, 128, 255], 0);
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wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after creating texture");
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
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wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after setting texture params");
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var loc = gl.getUniformLocation(program, "tex");
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wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after getting tex locations");
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gl.uniform1i(loc, 0);
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wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after setting tex uniform");
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var numQuads = 100000;
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var indexBuf = new ArrayBuffer(numQuads * 6);
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var indices = new Uint8Array(indexBuf);
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for (var ii = 0; ii < numQuads; ++ii) {
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var offset = ii * 6;
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indices[offset + 0] = 0;
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indices[offset + 1] = 1;
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indices[offset + 2] = 2;
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indices[offset + 3] = 3;
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indices[offset + 4] = 4;
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indices[offset + 5] = 5;
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}
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var indexBuffer = gl.createBuffer();
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gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer);
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gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW);
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wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after creating index buffer");
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gl.drawElements(gl.TRIANGLES, numQuads * 6, gl.UNSIGNED_BYTE, 0);
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wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after drawing");
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successfullyParsed = true;
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}
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</script>
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</body>
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</html>
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