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77 lines
2.8 KiB
HTML
77 lines
2.8 KiB
HTML
<!--
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/*
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** Copyright (c) 2012 The Khronos Group Inc.
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**
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** Permission is hereby granted, free of charge, to any person obtaining a
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** copy of this software and/or associated documentation files (the
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** "Materials"), to deal in the Materials without restriction, including
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** without limitation the rights to use, copy, modify, merge, publish,
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** distribute, sublicense, and/or sell copies of the Materials, and to
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** permit persons to whom the Materials are furnished to do so, subject to
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** the following conditions:
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**
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** The above copyright notice and this permission notice shall be included
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** in all copies or substantial portions of the Materials.
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**
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** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<link rel="stylesheet" href="../../resources/js-test-style.css"/>
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<script src="../../js/js-test-pre.js"></script>
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<script src="../../js/webgl-test-utils.js"></script>
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</head>
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<body>
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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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"use strict";
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description('Tests that index validation for drawElements works with large attribute buffers');
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var wtu = WebGLTestUtils;
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var context = wtu.create3DContext();
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var program = wtu.loadStandardProgram(context);
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context.useProgram(program);
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// Create a small index buffer.
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var indexObject = context.createBuffer();
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context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject);
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var indexArray = new Uint16Array([0, 1, 2]);
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context.bufferData(context.ELEMENT_ARRAY_BUFFER, indexArray, context.STATIC_DRAW);
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// Create a large attribute buffer.
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var vertexObject = context.createBuffer();
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context.enableVertexAttribArray(0);
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context.bindBuffer(context.ARRAY_BUFFER, vertexObject);
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context.bufferData(context.ARRAY_BUFFER, new Float32Array(3 * 65536), context.STATIC_DRAW);
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context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0);
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debug("Test large attribute buffer")
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wtu.shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_SHORT, 0)");
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// Enlarge the attribute buffer slightly.
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debug("Test even larger attribute buffer")
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context.bufferData(context.ARRAY_BUFFER, new Float32Array(3 * 65536 + 3), context.STATIC_DRAW);
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wtu.shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_SHORT, 0)");
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debug("")
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var successfullyParsed = true;
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</script>
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<script src="../../js/js-test-post.js"></script>
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</body>
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</html>
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