| // Copyright (c) 2013, 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. |
| |
| import 'dart:html'; |
| import 'dart:typed_data'; |
| import 'dart:web_gl'; |
| import 'dart:web_gl' as gl; |
| |
| import 'package:expect/minitest.dart'; |
| |
| // Test that WebGL is present in dart:web_gl API |
| |
| final isRenderingContext = predicate((x) => x is RenderingContext); |
| final isContextAttributes = predicate((x) => x is Map); |
| |
| main() { |
| group('supported', () { |
| test('supported', () { |
| expect(RenderingContext.supported, isTrue); |
| }); |
| }); |
| |
| group('functional', () { |
| test('unsupported fails', () { |
| var canvas = new CanvasElement(); |
| var context = canvas.getContext3d(); |
| if (RenderingContext.supported) { |
| expect(context, isNotNull); |
| expect(context, isRenderingContext); |
| } else { |
| expect(context, isNull); |
| } |
| }); |
| |
| if (RenderingContext.supported) { |
| test('simple', () { |
| var canvas = new CanvasElement(); |
| var context = |
| canvas.getContext('experimental-webgl') as gl.RenderingContext?; |
| expect(context, isNotNull); |
| var shader = context!.createShader(gl.WebGL.VERTEX_SHADER); |
| context.shaderSource(shader, 'void main() { }'); |
| context.compileShader(shader); |
| var success = |
| context.getShaderParameter(shader, gl.WebGL.COMPILE_STATUS); |
| expect(success, isTrue); |
| }); |
| |
| test('getContext3d', () { |
| var canvas = new CanvasElement(); |
| var context = canvas.getContext3d(); |
| expect(context, isNotNull); |
| expect(context, isRenderingContext); |
| |
| context = canvas.getContext3d(depth: false); |
| expect(context, isNotNull); |
| expect(context, isRenderingContext); |
| }); |
| |
| test('texImage2D', () { |
| var canvas = new CanvasElement(); |
| var context = canvas.getContext3d()!; |
| var pixels = new Uint8List.fromList([0, 0, 3, 255, 0, 0, 0, 0, 0, 0]); |
| context.texImage2D(1, 1, 1, 1, 10, 10, 1, 1, pixels); |
| |
| canvas = new CanvasElement(); |
| document.body!.children.add(canvas); |
| CanvasRenderingContext2D context2 = |
| canvas.getContext('2d') as CanvasRenderingContext2D; |
| context.texImage2D( |
| 1, 1, 1, 1, 10, context2.getImageData(10, 10, 10, 10)); |
| |
| context.texImage2D(1, 1, 1, 1, 10, new ImageElement()); |
| context.texImage2D(1, 1, 1, 1, 10, new CanvasElement()); |
| context.texImage2D(1, 1, 1, 1, 10, new VideoElement()); |
| }); |
| |
| test('texSubImage2D', () { |
| var canvas = new CanvasElement(); |
| var context = canvas.getContext3d()!; |
| var pixels = new Uint8List.fromList([0, 0, 3, 255, 0, 0, 0, 0, 0, 0]); |
| context.texSubImage2D(1, 1, 1, 1, 1, 10, 10, 1, pixels); |
| |
| canvas = new CanvasElement(); |
| document.body!.children.add(canvas); |
| CanvasRenderingContext2D context2 = |
| canvas.getContext('2d') as CanvasRenderingContext2D; |
| context.texSubImage2D( |
| 1, 1, 1, 1, 1, 10, context2.getImageData(10, 10, 10, 10)); |
| |
| context.texSubImage2D(1, 1, 1, 1, 1, 10, new ImageElement()); |
| context.texSubImage2D(1, 1, 1, 1, 1, 10, new CanvasElement()); |
| context.texSubImage2D(1, 1, 1, 1, 1, 10, new VideoElement()); |
| }); |
| |
| test('getContextAttributes', () { |
| var canvas = new CanvasElement(); |
| var context = canvas.getContext3d()!; |
| var attributes = context.getContextAttributes(); |
| |
| expect(attributes, isNotNull); |
| expect(attributes, isContextAttributes); |
| |
| expect(attributes!['alpha'], isBoolean); |
| expect(attributes['antialias'], isBoolean); |
| expect(attributes['depth'], isBoolean); |
| expect(attributes['premultipliedAlpha'], isBoolean); |
| expect(attributes['preserveDrawingBuffer'], isBoolean); |
| expect(attributes['stencil'], isBoolean); |
| }); |
| } |
| }); |
| } |
| |
| final isBoolean = predicate((v) => v == true || v == false); |