content/canvas/test/webgl-conformance/conformance/buffers/index-validation-copies-indices.html@6474c204b198 (annotated)
content/canvas/test/webgl-conformance/conformance/buffers/index-validation-copies-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 | |
| michael@0 | 4 | Redistribution and use in source and binary forms, with or without |
| michael@0 | 5 | modification, are permitted provided that the following conditions are |
| michael@0 | 6 | met: |
| michael@0 | 7 | |
| michael@0 | 8 | * Redistributions of source code must retain the above copyright |
| michael@0 | 9 | notice, this list of conditions and the following disclaimer. |
| michael@0 | 10 | * Redistributions in binary form must reproduce the above |
| michael@0 | 11 | copyright notice, this list of conditions and the following disclaimer |
| michael@0 | 12 | in the documentation and/or other materials provided with the |
| michael@0 | 13 | distribution. |
| michael@0 | 14 | * Neither the name of Google Inc. nor the names of its |
| michael@0 | 15 | contributors may be used to endorse or promote products derived from |
| michael@0 | 16 | this software without specific prior written permission. |
| michael@0 | 17 | |
| michael@0 | 18 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| michael@0 | 19 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| michael@0 | 20 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| michael@0 | 21 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| michael@0 | 22 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| michael@0 | 23 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| michael@0 | 24 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| michael@0 | 25 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| michael@0 | 26 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| michael@0 | 27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| michael@0 | 28 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 29 | --> |
| michael@0 | 30 | <!DOCTYPE html> |
| michael@0 | 31 | <html> |
| michael@0 | 32 | <head> |
| michael@0 | 33 | <meta charset="utf-8"> |
| michael@0 | 34 | <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| michael@0 | 35 | <script src="../../resources/js-test-pre.js"></script> |
| michael@0 | 36 | <script src="../resources/webgl-test.js"></script> |
| michael@0 | 37 | </head> |
| michael@0 | 38 | <body> |
| michael@0 | 39 | <div id="description"></div> |
| michael@0 | 40 | <div id="console"></div> |
| michael@0 | 41 | |
| michael@0 | 42 | <script> |
| michael@0 | 43 | description('Test that client data is always copied during bufferData and bufferSubData calls, because otherwise the data the GL uses to draw may differ from that checked by the index validation code.') |
| michael@0 | 44 | |
| michael@0 | 45 | var context = create3DContext(); |
| michael@0 | 46 | var program = loadStandardProgram(context); |
| michael@0 | 47 | |
| michael@0 | 48 | context.useProgram(program); |
| michael@0 | 49 | var vertexObject = context.createBuffer(); |
| michael@0 | 50 | context.enableVertexAttribArray(0); |
| michael@0 | 51 | context.bindBuffer(context.ARRAY_BUFFER, vertexObject); |
| michael@0 | 52 | // 4 vertices -> 2 triangles |
| michael@0 | 53 | context.bufferData(context.ARRAY_BUFFER, new Float32Array([ 0,0,0, 0,1,0, 1,0,0, 1,1,0 ]), context.STATIC_DRAW); |
| michael@0 | 54 | context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0); |
| michael@0 | 55 | |
| michael@0 | 56 | var indexObject = context.createBuffer(); |
| michael@0 | 57 | |
| michael@0 | 58 | context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject); |
| michael@0 | 59 | var indices = new Uint16Array([ 10000, 0, 1, 2, 3, 10000 ]); |
| michael@0 | 60 | context.bufferData(context.ELEMENT_ARRAY_BUFFER, indices, context.STATIC_DRAW); |
| michael@0 | 61 | shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 2)"); |
| michael@0 | 62 | shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 0)"); |
| michael@0 | 63 | shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 4)"); |
| michael@0 | 64 | indices[0] = 2; |
| michael@0 | 65 | indices[5] = 1; |
| michael@0 | 66 | shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 2)"); |
| michael@0 | 67 | shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 0)"); |
| michael@0 | 68 | shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 4)"); |
| michael@0 | 69 | |
| michael@0 | 70 | debug("") |
| michael@0 | 71 | successfullyParsed = true; |
| michael@0 | 72 | </script> |
| michael@0 | 73 | |
| michael@0 | 74 | <script>finishTest();</script> |
| michael@0 | 75 | </body> |
| michael@0 | 76 | </html> |
