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| /* |
| ** Copyright (c) 2012 Florian Boesch <pyalot@gmail.com>. |
| ** |
| ** Permission is hereby granted, free of charge, to any person obtaining a |
| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
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| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL EXT_texture_filter_anisotropic Conformance 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> |
| <canvas id="canvas" style="width: 50px; height: 50px;"> </canvas> |
| <div id="console"></div> |
| |
| <script> |
| "use strict"; |
| description("This test verifies the functionality of the EXT_texture_filter_anisotropic extension, if it is available."); |
| |
| debug(""); |
| |
| var wtu = WebGLTestUtils; |
| var canvas = document.getElementById("canvas"); |
| var gl = wtu.create3DContext(canvas); |
| var ext = null; |
| |
| if (!gl) { |
| testFailed("WebGL context does not exist"); |
| } else { |
| testPassed("WebGL context exists"); |
| |
| // Run tests with extension disabled |
| runHintTestDisabled(); |
| |
| // Query the extension and store globally so shouldBe can access it |
| ext = wtu.getExtensionWithKnownPrefixes(gl, "EXT_texture_filter_anisotropic"); |
| |
| if (!ext) { |
| testPassed("No EXT_texture_filter_anisotropic support -- this is legal"); |
| |
| runSupportedTest(false); |
| } else { |
| testPassed("Successfully enabled EXT_texture_filter_anisotropic extension"); |
| |
| runSupportedTest(true); |
| runHintTestEnabled(); |
| } |
| } |
| |
| function runSupportedTest(extensionEnabled) { |
| if (wtu.getSupportedExtensionWithKnownPrefixes(gl, "EXT_texture_filter_anisotropic") !== undefined) { |
| if (extensionEnabled) { |
| testPassed("EXT_texture_filter_anisotropic listed as supported and getExtension succeeded"); |
| } else { |
| testFailed("EXT_texture_filter_anisotropic listed as supported but getExtension failed"); |
| } |
| } else { |
| if (extensionEnabled) { |
| testFailed("EXT_texture_filter_anisotropic not listed as supported but getExtension succeeded"); |
| } else { |
| testPassed("EXT_texture_filter_anisotropic not listed as supported and getExtension failed -- this is legal"); |
| } |
| } |
| } |
| |
| function runHintTestDisabled() { |
| debug("Testing MAX_TEXTURE_MAX_ANISOTROPY_EXT with extension disabled"); |
| |
| var MAX_TEXTURE_MAX_ANISOTROPY_EXT = 0x84FF; |
| gl.getParameter(MAX_TEXTURE_MAX_ANISOTROPY_EXT); |
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "MAX_TEXTURE_MAX_ANISOTROPY_EXT should not be queryable if extension is disabled"); |
| |
| debug("Testing TEXTURE_MAX_ANISOTROPY_EXT with extension disabled"); |
| var TEXTURE_MAX_ANISOTROPY_EXT = 0x84FE; |
| var texture = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, texture); |
| |
| gl.getTexParameter(gl.TEXTURE_2D, TEXTURE_MAX_ANISOTROPY_EXT); |
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "TEXTURE_MAX_ANISOTROPY_EXT should not be queryable if extension is disabled"); |
| |
| gl.texParameterf(gl.TEXTURE_2D, TEXTURE_MAX_ANISOTROPY_EXT, 1); |
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "TEXTURE_MAX_ANISOTROPY_EXT should not be settable if extension is disabled"); |
| |
| gl.texParameteri(gl.TEXTURE_2D, TEXTURE_MAX_ANISOTROPY_EXT, 1); |
| wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "TEXTURE_MAX_ANISOTROPY_EXT should not be settable if extension is disabled"); |
| |
| gl.deleteTexture(texture); |
| } |
| |
| function runHintTestEnabled() { |
| debug("Testing MAX_TEXTURE_MAX_ANISOTROPY_EXT with extension enabled"); |
| |
| shouldBe("ext.MAX_TEXTURE_MAX_ANISOTROPY_EXT", "0x84FF"); |
| |
| var max_anisotropy = gl.getParameter(ext.MAX_TEXTURE_MAX_ANISOTROPY_EXT); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "MAX_TEXTURE_MAX_ANISOTROPY_EXT query should succeed if extension is enabled"); |
| |
| if(max_anisotropy >= 2){ |
| testPassed("Minimum value of MAX_TEXTURE_MAX_ANISOTROPY_EXT is 2.0"); |
| } |
| else{ |
| testFailed("Minimum value of MAX_TEXTURE_MAX_ANISOTROPY_EXT is 2.0, returned values was: " + max_anisotropy); |
| } |
| |
| // TODO make a texture and verify initial value == 1 and setting to less than 1 is invalid value |
| |
| debug("Testing TEXTURE_MAX_ANISOTROPY_EXT with extension disabled"); |
| shouldBe("ext.TEXTURE_MAX_ANISOTROPY_EXT", "0x84FE"); |
| |
| var texture = gl.createTexture(); |
| gl.bindTexture(gl.TEXTURE_2D, texture); |
| |
| var queried_value = gl.getTexParameter(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "TEXTURE_MAX_ANISOTROPY_EXT query should succeed if extension is enabled"); |
| |
| if(queried_value == 1){ |
| testPassed("Initial value of TEXTURE_MAX_ANISOTROPY_EXT is 1.0"); |
| } |
| else{ |
| testFailed("Initial value of TEXTURE_MAX_ANISOTROPY_EXT should be 1.0, returned value was: " + queried_value); |
| } |
| |
| gl.texParameterf(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, 0); |
| wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "texParameterf TEXTURE_MAX_ANISOTROPY_EXT set to < 1 should be an invalid value"); |
| |
| gl.texParameteri(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, 0); |
| wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "texParameteri TEXTURE_MAX_ANISOTROPY_EXT set to < 1 should be an invalid value"); |
| |
| gl.texParameterf(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropy); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameterf TEXTURE_MAX_ANISOTROPY_EXT set to >= 2 should succeed"); |
| |
| gl.texParameteri(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropy); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameteri TEXTURE_MAX_ANISOTROPY_EXT set to >= 2 should succeed"); |
| |
| var queried_value = gl.getTexParameter(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT); |
| if(queried_value == max_anisotropy){ |
| testPassed("Set value of TEXTURE_MAX_ANISOTROPY_EXT matches expecation"); |
| } |
| else{ |
| testFailed("Set value of TEXTURE_MAX_ANISOTROPY_EXT should be: " + max_anisotropy + " , returned value was: " + queried_value); |
| } |
| |
| gl.texParameterf(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, 1.5); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texParameterf TEXTURE_MAX_ANISOTROPY_EXT set to 1.5 should succeed"); |
| |
| queried_value = gl.getTexParameter(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT); |
| if(queried_value == 1.5){ |
| testPassed("Set value of TEXTURE_MAX_ANISOTROPY_EXT matches expecation"); |
| } |
| else{ |
| testFailed("Set value of TEXTURE_MAX_ANISOTROPY_EXT should be: " + 1.5 + " , returned value was: " + queried_value); |
| } |
| |
| |
| gl.deleteTexture(texture); |
| } |
| |
| debug(""); |
| var successfullyParsed = true; |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |