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| 1 <!-- |
| 2 |
| 3 /* |
| 4 ** Copyright (c) 2012 The Khronos Group Inc. |
| 5 ** |
| 6 ** Permission is hereby granted, free of charge, to any person obtaining a |
| 7 ** copy of this software and/or associated documentation files (the |
| 8 ** "Materials"), to deal in the Materials without restriction, including |
| 9 ** without limitation the rights to use, copy, modify, merge, publish, |
| 10 ** distribute, sublicense, and/or sell copies of the Materials, and to |
| 11 ** permit persons to whom the Materials are furnished to do so, subject to |
| 12 ** the following conditions: |
| 13 ** |
| 14 ** The above copyright notice and this permission notice shall be included |
| 15 ** in all copies or substantial portions of the Materials. |
| 16 ** |
| 17 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 18 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 19 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 20 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 21 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 22 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 23 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| 24 */ |
| 25 |
| 26 --> |
| 27 |
| 28 <!DOCTYPE html> |
| 29 <html> |
| 30 <head> |
| 31 <meta charset="utf-8"> |
| 32 <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| 33 <script src="../../resources/js-test-pre.js"></script> |
| 34 <script src="../resources/webgl-test.js"></script> |
| 35 </head> |
| 36 <body> |
| 37 <div id="description"></div> |
| 38 <div id="console"></div> |
| 39 |
| 40 <script> |
| 41 description('Tests that index validation for drawElements does not examine too m
any indices'); |
| 42 |
| 43 var context = create3DContext(); |
| 44 var program = loadStandardProgram(context); |
| 45 |
| 46 context.useProgram(program); |
| 47 var vertexObject = context.createBuffer(); |
| 48 context.enableVertexAttribArray(0); |
| 49 context.bindBuffer(context.ARRAY_BUFFER, vertexObject); |
| 50 // 4 vertices -> 2 triangles |
| 51 context.bufferData(context.ARRAY_BUFFER, new Float32Array([ 0,0,0, 0,1,0, 1,0,0,
1,1,0 ]), context.STATIC_DRAW); |
| 52 context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0); |
| 53 |
| 54 var indexObject = context.createBuffer(); |
| 55 |
| 56 debug("Test out of range indices") |
| 57 context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject); |
| 58 context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint16Array([ 10000, 0, 1,
2, 3, 10000 ]), context.STATIC_DRAW); |
| 59 shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.T
RIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 2)"); |
| 60 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 0)"); |
| 61 shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(
context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 4)"); |
| 62 |
| 63 debug("") |
| 64 successfullyParsed = true; |
| 65 </script> |
| 66 |
| 67 <script src="../../resources/js-test-post.js"></script> |
| 68 </body> |
| 69 </html> |
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