| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>WebGL BindBuffer conformance test.</title> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"> </script> |
| </head> |
| <body> |
| <canvas id="example" width="40" height="40" style="width: 40px; height: 40px;"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| description("Checks a buffer can only be bound to 1 target."); |
| |
| debug(""); |
| debug("Canvas.getContext"); |
| |
| if (window.internals) |
| window.internals.settings.setWebGLErrorsToConsoleEnabled(false); |
| |
| var gl = create3DContext(document.getElementById("canvas")); |
| if (!gl) { |
| testFailed("context does not exist"); |
| } else { |
| testPassed("context exists"); |
| |
| debug(""); |
| |
| var buf = gl.createBuffer(); |
| gl.bindBuffer(gl.ARRAY_BUFFER, buf); |
| assertMsg(gl.getError() == gl.NO_ERROR, |
| "should be able to bind buffer."); |
| gl.bindBuffer(gl.ARRAY_BUFFER, null); |
| assertMsg(gl.getError() == gl.NO_ERROR, |
| "should be able to unbind buffer."); |
| gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, buf); |
| assertMsg(gl.getError() == gl.INVALID_OPERATION, |
| "should get INVALID_OPERATION if attempting to bind buffer to different target"); |
| |
| var buf = gl.createBuffer(); |
| gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, buf); |
| assertMsg(gl.getError() == gl.NO_ERROR, |
| "should be able to bind buffer."); |
| gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null); |
| assertMsg(gl.getError() == gl.NO_ERROR, |
| "should be able to unbind buffer."); |
| gl.bindBuffer(gl.ARRAY_BUFFER, buf); |
| assertMsg(gl.getError() == gl.INVALID_OPERATION, |
| "should get INVALID_OPERATION if attempting to bind buffer to different target"); |
| } |
| |
| debug(""); |
| </script> |
| </body> |
| </html> |
| |
