LayoutTests/webgl/1.0.2/resources/webgl_test_files/conformance/extensions/ext-texture-filter-anisotropic.html - WebKit - Git at Google

 <!--

 /*
 ** 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
 ** without limitation the rights to use, copy, modify, merge, publish,
 ** distribute, sublicense, and/or sell copies of the Materials, and to
 ** permit persons to whom the Materials are furnished to do so, subject to
 ** the following conditions:
 **
 ** The above copyright notice and this permission notice shall be included
 ** in all copies or substantial portions of the Materials.
 **
 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
 */

 -->

 <!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="../../resources/desktop-gl-constants.js" type="text/javascript"></script>
 <script src="../../resources/js-test-pre.js"></script>
 <script src="../resources/webgl-test.js"></script>
 <script src="../resources/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);
     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);
     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);
     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);
     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);
     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);
     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);
     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);
     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);
     glErrorShouldBe(gl, gl.NO_ERROR, "texParameterf TEXTURE_MAX_ANISOTROPY_EXT set to >= 2 should should succeed");

     gl.texParameteri(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropy);
     glErrorShouldBe(gl, gl.NO_ERROR, "texParameteri TEXTURE_MAX_ANISOTROPY_EXT set to >= 2 should 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.deleteTexture(texture);
 }

 debug("");
 var successfullyParsed = true;
 </script>
 <script src="../../resources/js-test-post.js"></script>

 </body>
 </html>
	<!--

	/*
	** 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
	** without limitation the rights to use, copy, modify, merge, publish,
	** distribute, sublicense, and/or sell copies of the Materials, and to
	** permit persons to whom the Materials are furnished to do so, subject to
	** the following conditions:
	**
	** The above copyright notice and this permission notice shall be included
	** in all copies or substantial portions of the Materials.
	**
	** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
	** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
	** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
	** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
	** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
	*/

	-->

	<!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="../../resources/desktop-gl-constants.js" type="text/javascript"></script>
	<script src="../../resources/js-test-pre.js"></script>
	<script src="../resources/webgl-test.js"></script>
	<script src="../resources/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);
	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);
	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);
	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);
	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);
	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);
	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);
	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);
	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);
	glErrorShouldBe(gl, gl.NO_ERROR, "texParameterf TEXTURE_MAX_ANISOTROPY_EXT set to >= 2 should should succeed");

	gl.texParameteri(gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, max_anisotropy);
	glErrorShouldBe(gl, gl.NO_ERROR, "texParameteri TEXTURE_MAX_ANISOTROPY_EXT set to >= 2 should 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.deleteTexture(texture);
	}

	debug("");
	var successfullyParsed = true;
	</script>
	<script src="../../resources/js-test-post.js"></script>

	</body>
	</html>