| /* |
| * 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 generation of synthetic and real GL errors |
| */ |
| 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"; |
| |
| var shouldBeUndefined = shouldBeNull; |
| |
| main() { |
| document.body.setInnerHtml(''' |
| <div id="console"></div> |
| ''', treeSanitizer: new NullTreeSanitizer()); |
| |
| var context = create3DContext(); |
| var program = loadStandardProgram(context); |
| |
| // Other tests in this directory like getActiveTest and |
| // incorrect-context-object-behaviour already test the raising of many |
| // synthetic GL errors. This test verifies the raising of certain |
| // known real GL errors, and contains a few regression tests for bugs |
| // discovered in the synthetic error generation and in the WebGL |
| // implementation itself. |
| |
| glErrorShouldBe(context, wgl.NO_ERROR); |
| |
| debug("Testing getActiveAttrib"); |
| // Synthetic OpenGL error |
| shouldBeNull(context.getActiveAttrib(null, 2)); |
| glErrorShouldBe(context, wgl.INVALID_VALUE); |
| // Error state should be clear by this point |
| glErrorShouldBe(context, wgl.NO_ERROR); |
| // Real OpenGL error |
| shouldBeNull(context.getActiveAttrib(program, 2)); |
| glErrorShouldBe(context, wgl.INVALID_VALUE); |
| // Error state should be clear by this point |
| glErrorShouldBe(context, wgl.NO_ERROR); |
| |
| debug("Testing getActiveUniform"); |
| // Synthetic OpenGL error |
| shouldBeNull(context.getActiveUniform(null, 0)); |
| glErrorShouldBe(context, wgl.INVALID_VALUE); |
| // Error state should be clear by this point |
| glErrorShouldBe(context, wgl.NO_ERROR); |
| // Real OpenGL error |
| shouldBeNull(context.getActiveUniform(program, 50)); |
| glErrorShouldBe(context, wgl.INVALID_VALUE); |
| // Error state should be clear by this point |
| glErrorShouldBe(context, wgl.NO_ERROR); |
| |
| debug("Testing attempts to manipulate the default framebuffer"); |
| shouldBeUndefined(context.bindFramebuffer(wgl.FRAMEBUFFER, null)); |
| glErrorShouldBe(context, wgl.NO_ERROR); |
| shouldBeUndefined(context.framebufferRenderbuffer(wgl.FRAMEBUFFER, wgl.DEPTH_ATTACHMENT, wgl.RENDERBUFFER, null)); |
| // Synthetic OpenGL error |
| glErrorShouldBe(context, wgl.INVALID_OPERATION); |
| // Error state should be clear by this point |
| glErrorShouldBe(context, wgl.NO_ERROR); |
| shouldBeUndefined(context.framebufferTexture2D(wgl.FRAMEBUFFER, wgl.COLOR_ATTACHMENT0, wgl.TEXTURE_2D, null, 0)); |
| // Synthetic OpenGL error |
| glErrorShouldBe(context, wgl.INVALID_OPERATION); |
| // Error state should be clear by this point |
| glErrorShouldBe(context, wgl.NO_ERROR); |
| } |