content/canvas/test/webgl-conformance/conformance/buffers/index-validation-verifies-too-many-indices.html@6474c204b198 (annotated)
content/canvas/test/webgl-conformance/conformance/buffers/index-validation-verifies-too-many-indices.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | <!-- |
| michael@0 | 2 | Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| michael@0 | 3 | Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 4 | found in the LICENSE file. |
| michael@0 | 5 | --> |
| michael@0 | 6 | <!DOCTYPE html> |
| michael@0 | 7 | <html> |
| michael@0 | 8 | <head> |
| michael@0 | 9 | <meta charset="utf-8"> |
| michael@0 | 10 | <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| michael@0 | 11 | <script src="../../resources/js-test-pre.js"></script> |
| michael@0 | 12 | <script src="../resources/webgl-test.js"></script> |
| michael@0 | 13 | </head> |
| michael@0 | 14 | <body> |
| michael@0 | 15 | <div id="description"></div> |
| michael@0 | 16 | <div id="console"></div> |
| michael@0 | 17 | |
| michael@0 | 18 | <script> |
| michael@0 | 19 | description('Tests that index validation for drawElements does not examine too many indices'); |
| michael@0 | 20 | |
| michael@0 | 21 | var context = create3DContext(); |
| michael@0 | 22 | var program = loadStandardProgram(context); |
| michael@0 | 23 | |
| michael@0 | 24 | context.useProgram(program); |
| michael@0 | 25 | var vertexObject = context.createBuffer(); |
| michael@0 | 26 | context.enableVertexAttribArray(0); |
| michael@0 | 27 | context.bindBuffer(context.ARRAY_BUFFER, vertexObject); |
| michael@0 | 28 | // 4 vertices -> 2 triangles |
| michael@0 | 29 | context.bufferData(context.ARRAY_BUFFER, new Float32Array([ 0,0,0, 0,1,0, 1,0,0, 1,1,0 ]), context.STATIC_DRAW); |
| michael@0 | 30 | context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0); |
| michael@0 | 31 | |
| michael@0 | 32 | var indexObject = context.createBuffer(); |
| michael@0 | 33 | |
| michael@0 | 34 | debug("Test out of range indices") |
| michael@0 | 35 | context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject); |
| michael@0 | 36 | context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint16Array([ 10000, 0, 1, 2, 3, 10000 ]), context.STATIC_DRAW); |
| michael@0 | 37 | shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 2)"); |
| michael@0 | 38 | shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 0)"); |
| michael@0 | 39 | shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 4)"); |
| michael@0 | 40 | |
| michael@0 | 41 | debug("") |
| michael@0 | 42 | successfullyParsed = true; |
| michael@0 | 43 | </script> |
| michael@0 | 44 | |
| michael@0 | 45 | <script>finishTest();</script> |
| michael@0 | 46 | </body> |
| michael@0 | 47 | </html> |
