| Index: conformance/rendering/more-than-65536-indices.html
|
| ===================================================================
|
| --- conformance/rendering/more-than-65536-indices.html (revision 0)
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| +++ conformance/rendering/more-than-65536-indices.html (revision 0)
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| @@ -0,0 +1,94 @@
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| +<!--
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| +Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
| +Use of this source code is governed by a BSD-style license that can be
|
| +found in the LICENSE file.
|
| + -->
|
| +<!DOCTYPE html>
|
| +<html>
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| +<head>
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| +<meta charset="utf-8">
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| +<title>WebGL More than 65536 indices.</title>
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| +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
|
| +<script src="../../resources/js-test-pre.js"></script>
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| +<script src="../resources/webgl-test.js"> </script>
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| +<script src="../resources/webgl-test-utils.js"> </script>
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| +</head>
|
| +<body>
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| +<canvas id="example" width="40" height="40" style="width: 40px; height: 40px;"></canvas>
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| +<div id="description"></div>
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| +<div id="console"></div>
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| +<script id="vs" type="text/something-not-javascript">
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| +attribute vec4 vPosition;
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| +attribute vec4 vColor;
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| +varying vec4 color;
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| +void main() {
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| + gl_Position = vPosition;
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| + color = vColor;
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| +}
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| +</script>
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| +<script id="fs" type="text/something-not-javascript">
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| +precision mediump float;
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| +varying vec4 color;
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| +void main() {
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| + gl_FragColor = color;
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| +}
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| +</script>
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| +<script>
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| +description("checks that rendering with more than 65536 indices works.");
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| +var wtu = WebGLTestUtils;
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| +// The antialias:false context creation attribute is a concession to some older and buggier drivers.
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| +var gl = initWebGL("example", "vs", "fs", ["vPosition", "vColor"], [0, 0, 0, 1], 1, { antialias: false });
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| +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after initWebGL");
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| +var bufferObjects = wtu.setupUnitQuad(gl, 0, 1);
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| +gl.bindBuffer(gl.ARRAY_BUFFER, bufferObjects[0]);
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| +gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
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| + -1,1,0, 1,1,0, -1,-1,0, 1,-1,0,
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| + -1,1,0, 1,1,0, -1,-1,0, 1,-1,0]), gl.STATIC_DRAW);
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| +gl.bindBuffer(gl.ARRAY_BUFFER, bufferObjects[1]);
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| +gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array([
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| + 255, 0, 0, 255,
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| + 255, 0, 0, 255,
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| + 255, 0, 0, 255,
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| + 255, 0, 0, 255,
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| + 0, 255, 0, 255,
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| + 0, 255, 0, 255,
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| + 0, 255, 0, 255,
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| + 0, 255, 0, 255]), gl.STATIC_DRAW);
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| +gl.vertexAttribPointer(1, 4, gl.UNSIGNED_BYTE, false, 0, 0);
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| +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after program setup");
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| +gl.enable(gl.BLEND);
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| +gl.disable(gl.DEPTH_TEST);
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| +
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| +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after creating texture");
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| +var numQuads = Math.floor(65536 / 6) + 2;
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| +debug("numQuads: " + numQuads);
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| +debug("numPoints: " + numQuads * 6);
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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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| + var quad = (ii == (numQuads - 1)) ? 4 : 0;
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| + indices[offset + 0] = quad + 0;
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| + indices[offset + 1] = quad + 1;
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| + indices[offset + 2] = quad + 2;
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| + indices[offset + 3] = quad + 2;
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| + indices[offset + 4] = quad + 1;
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| + indices[offset + 5] = quad + 3;
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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 setting up indices");
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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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| +wtu.checkCanvas(gl, [0, 255, 0, 255], "Should be green.");
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| +
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| +successfullyParsed = true;
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| +</script>
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| +
|
| +<script src="../../resources/js-test-post.js"></script>
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| +
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| +</body>
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| +</html>
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| +
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| +
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|
|
| Property changes on: conformance/rendering/more-than-65536-indices.html
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| ___________________________________________________________________
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| Added: svn:eol-style
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| + LF
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|