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| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL gl.getParameter initial values Tests</title> |
| <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> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <canvas id="canvas" width="2" height="2"> </canvas> |
| <script> |
| "use strict"; |
| description("This test checks the initial value of the OpenGL state"); |
| |
| debug(""); |
| debug("Canvas.getContext"); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("canvas"); |
| if (!gl) { |
| testFailed("context does not exist"); |
| } else { |
| testPassed("context exists"); |
| |
| debug(""); |
| checkParameterInitialValue("ONE", "BLEND_SRC_RGB"); |
| checkParameterInitialValue("ONE", "BLEND_SRC_ALPHA"); |
| checkParameterInitialValue("ZERO", "BLEND_DST_RGB"); |
| checkParameterInitialValue("ZERO", "BLEND_DST_ALPHA"); |
| shouldBe("gl.getError()", "gl.NO_ERROR"); |
| } |
| |
| function checkParameterInitialValue(expected, enum_val) { |
| var s = gl.getParameter(gl[enum_val]); |
| if (s === gl[expected]) { |
| testPassed("getParameter(gl." + enum_val + ") returned " + expected + " which is " + gl[expected]); |
| } else { |
| testFailed("getParameter(gl." + enum_val + ") returned " + s + " expected: " + expected + " which is " + gl[expected]); |
| } |
| } |
| |
| debug(""); |
| var successfullyParsed = true; |
| |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |
