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comparison: content/canvas/test/webgl-conformance/conformance/buffers/index-validation-verifies-too-many-indices.html
content/canvas/test/webgl-conformance/conformance/buffers/index-validation-verifies-too-many-indices.html
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| 1 <!-- | |
| 2 Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 3 Use of this source code is governed by a BSD-style license that can be | |
| 4 found in the LICENSE file. | |
| 5 --> | |
| 6 <!DOCTYPE html> | |
| 7 <html> | |
| 8 <head> | |
| 9 <meta charset="utf-8"> | |
| 10 <link rel="stylesheet" href="../../resources/js-test-style.css"/> | |
| 11 <script src="../../resources/js-test-pre.js"></script> | |
| 12 <script src="../resources/webgl-test.js"></script> | |
| 13 </head> | |
| 14 <body> | |
| 15 <div id="description"></div> | |
| 16 <div id="console"></div> | |
| 17 | |
| 18 <script> | |
| 19 description('Tests that index validation for drawElements does not examine too many indices'); | |
| 20 | |
| 21 var context = create3DContext(); | |
| 22 var program = loadStandardProgram(context); | |
| 23 | |
| 24 context.useProgram(program); | |
| 25 var vertexObject = context.createBuffer(); | |
| 26 context.enableVertexAttribArray(0); | |
| 27 context.bindBuffer(context.ARRAY_BUFFER, vertexObject); | |
| 28 // 4 vertices -> 2 triangles | |
| 29 context.bufferData(context.ARRAY_BUFFER, new Float32Array([ 0,0,0, 0,1,0, 1,0,0, 1,1,0 ]), context.STATIC_DRAW); | |
| 30 context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0); | |
| 31 | |
| 32 var indexObject = context.createBuffer(); | |
| 33 | |
| 34 debug("Test out of range indices") | |
| 35 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject); | |
| 36 context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint16Array([ 10000, 0, 1, 2, 3, 10000 ]), context.STATIC_DRAW); | |
| 37 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 2)"); | |
| 38 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 0)"); | |
| 39 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 4)"); | |
| 40 | |
| 41 debug("") | |
| 42 successfullyParsed = true; | |
| 43 </script> | |
| 44 | |
| 45 <script>finishTest();</script> | |
| 46 </body> | |
| 47 </html> |
