| <!-- |
| Copyright (c) 2019 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../js/js-test-pre.js"></script> |
| <script src="../../js/webgl-test-utils.js"></script> |
| <script id="vshader" type="x-shader/x-vertex"> |
| void main() |
| { |
| gl_PointSize = 1.0; |
| gl_Position = vec4(0.0, 0.0, 0.0, 1.0); |
| } |
| </script> |
| |
| <script id="fshader" type="x-shader/x-fragment"> |
| precision mediump float; |
| |
| void main() |
| { |
| gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0); |
| } |
| </script> |
| </head> |
| <body> |
| <canvas id="testbed" width="1" height="1" style="width: 100px; height: 100px;"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| description('Verify that drawing a point without enabling any attributes succeeds'); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext('testbed'); |
| |
| var program1 = wtu.setupProgram(gl, ['vshader', 'fshader']); |
| |
| debug('Draw a point with a shader that takes no attributes and verify it fills the whole canvas.'); |
| |
| gl.drawArrays(gl.POINTS, 0, 1); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR); |
| wtu.checkCanvas(gl, [0, 255, 0, 255]); |
| |
| var successfullyParsed = true; |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |