| /* |
| * Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @description Tests that index validation for drawElements does not examine |
| * too many indices |
| */ |
| import "dart:html"; |
| import "dart:web_gl" as wgl; |
| import 'dart:typed_data'; |
| import "../../../testcommon.dart"; |
| import "resources/webgl-test.dart"; |
| import "resources/webgl-test-utils.dart" as wtu; |
| import "../../../../Utils/async_utils.dart"; |
| import "pwd.dart"; |
| |
| main() { |
| document.body.setInnerHtml(''' |
| <div id="console"></div> |
| <div>PASS</div> |
| ''', treeSanitizer: new NullTreeSanitizer()); |
| |
| var context = create3DContext(); |
| var program = loadStandardProgram(context); |
| |
| context.useProgram(program); |
| var vertexObject = context.createBuffer(); |
| context.enableVertexAttribArray(0); |
| context.bindBuffer(wgl.ARRAY_BUFFER, vertexObject); |
| // 4 vertices -> 2 triangles |
| context.bufferData(wgl.ARRAY_BUFFER, new Float32List.fromList([ 0.0,0.0,0.0, |
| 0.0,1.0,0.0, 1.0,0.0,0.0, 1.0,1.0,0.0 ]), wgl.STATIC_DRAW); |
| context.vertexAttribPointer(0, 3, wgl.FLOAT, false, 0, 0); |
| |
| var indexObject = context.createBuffer(); |
| |
| debug("Test out of range indices"); |
| context.bindBuffer(wgl.ELEMENT_ARRAY_BUFFER, indexObject); |
| context.bufferData(wgl.ELEMENT_ARRAY_BUFFER, new Uint16List.fromList([ 10000, |
| 0, 1, 2, 3, 10000 ]), wgl.STATIC_DRAW); |
| shouldGenerateGLError(context, wgl.NO_ERROR, () => context.drawElements(wgl.TRIANGLE_STRIP, 4, wgl.UNSIGNED_SHORT, 2)); |
| shouldGenerateGLError(context, wgl.INVALID_OPERATION, () => context.drawElements(wgl.TRIANGLE_STRIP, 4, wgl.UNSIGNED_SHORT, 0)); |
| shouldGenerateGLError(context, wgl.INVALID_OPERATION, () => context.drawElements(wgl.TRIANGLE_STRIP, 4, wgl.UNSIGNED_SHORT, 4)); |
| } |