LayoutTests/webgl/2.0.0/resources/webgl_test_files/conformance/attribs/gl-bindAttribLocation-nonexistent-attribute.html - WebKit - Git at Google

 <!--
 /*
 ** Copyright (c) 2017 The Khronos Group Inc.
 **
 ** 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">
 <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>
 <title>bindAttribLocation with nonexistent attribute name</title>
 </head>
 <body>
 <div id="description"></div>
 <div id="console"></div>
 <canvas id="canvas" width="8" height="8"></canvas>
 <script id="vertexShader" type="text/something-not-javascript">
 precision highp float;
 attribute vec4 attr;
 void main() {
     gl_Position = vec4(attr);
 }
 </script>
 <script>
 "use strict";
 description("This test verifies that calling bindAttribLocation with a non-existent attribute location is fine.");

 // OpenGL ES 2.0.25 section 2.10 page 34.

 var wtu = WebGLTestUtils;
 var canvas = document.getElementById("canvas");
 var gl = wtu.create3DContext(canvas);
 var fragmentShader = wtu.loadShader(gl, wtu.simpleColorFragmentShader, gl.FRAGMENT_SHADER);
 var vertexShader = wtu.loadShaderFromScript(gl, 'vertexShader', gl.VERTEX_SHADER);
 assertMsg(vertexShader != null, "Vertex shader compiled successfully.");

 var checkAttribLocation = function(program, expectedLocation) {
     var location = gl.getAttribLocation(program, 'attr');
     if (location != expectedLocation) {
         testFailed('Unexpected location for attr: ' + location);
     } else {
         testPassed('Location of attr is: ' + location);
     }
 }

 var testProgramNonExistentAttributeBound = function() {
     var program = gl.createProgram();
     gl.bindAttribLocation(program, 0, 'attr');
     gl.bindAttribLocation(program, 1, 'bogus_attr');
     gl.attachShader(program, vertexShader);
     gl.attachShader(program, fragmentShader);
     gl.linkProgram(program);
     var linkStatus = gl.getProgramParameter(program, gl.LINK_STATUS);
     expectTrue(linkStatus, "Link should succeed even if a non-existent attribute is bound.");
     if (linkStatus) {
         checkAttribLocation(program, 0);
     }
 };
 var testProgramNonExistentAttributeOverlap = function() {
     var program = gl.createProgram();
     gl.bindAttribLocation(program, 1, 'attr');
     gl.bindAttribLocation(program, 1, 'bogus_attr');
     gl.attachShader(program, vertexShader);
     gl.attachShader(program, fragmentShader);
     gl.linkProgram(program);
     var linkStatus = gl.getProgramParameter(program, gl.LINK_STATUS);
     expectTrue(linkStatus, "Link should succeed even if a non-existent attribute is bound to the same location as an attribute that's present in the shader text.");
     if (linkStatus) {
         checkAttribLocation(program, 1);
     }
 };

 testProgramNonExistentAttributeBound();
 testProgramNonExistentAttributeOverlap();

 var successfullyParsed = true;
 </script>
 <script src="../../js/js-test-post.js"></script>
 </body>
 </html>
	<!--
	/*
	** Copyright (c) 2017 The Khronos Group Inc.
	**
	** 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">
	<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>
	<title>bindAttribLocation with nonexistent attribute name</title>
	</head>
	<body>
	<div id="description"></div>
	<div id="console"></div>
	<canvas id="canvas" width="8" height="8"></canvas>
	<script id="vertexShader" type="text/something-not-javascript">
	precision highp float;
	attribute vec4 attr;
	void main() {
	gl_Position = vec4(attr);
	}
	</script>
	<script>
	"use strict";
	description("This test verifies that calling bindAttribLocation with a non-existent attribute location is fine.");

	// OpenGL ES 2.0.25 section 2.10 page 34.

	var wtu = WebGLTestUtils;
	var canvas = document.getElementById("canvas");
	var gl = wtu.create3DContext(canvas);
	var fragmentShader = wtu.loadShader(gl, wtu.simpleColorFragmentShader, gl.FRAGMENT_SHADER);
	var vertexShader = wtu.loadShaderFromScript(gl, 'vertexShader', gl.VERTEX_SHADER);
	assertMsg(vertexShader != null, "Vertex shader compiled successfully.");

	var checkAttribLocation = function(program, expectedLocation) {
	var location = gl.getAttribLocation(program, 'attr');
	if (location != expectedLocation) {
	testFailed('Unexpected location for attr: ' + location);
	} else {
	testPassed('Location of attr is: ' + location);
	}
	}

	var testProgramNonExistentAttributeBound = function() {
	var program = gl.createProgram();
	gl.bindAttribLocation(program, 0, 'attr');
	gl.bindAttribLocation(program, 1, 'bogus_attr');
	gl.attachShader(program, vertexShader);
	gl.attachShader(program, fragmentShader);
	gl.linkProgram(program);
	var linkStatus = gl.getProgramParameter(program, gl.LINK_STATUS);
	expectTrue(linkStatus, "Link should succeed even if a non-existent attribute is bound.");
	if (linkStatus) {
	checkAttribLocation(program, 0);
	}
	};
	var testProgramNonExistentAttributeOverlap = function() {
	var program = gl.createProgram();
	gl.bindAttribLocation(program, 1, 'attr');
	gl.bindAttribLocation(program, 1, 'bogus_attr');
	gl.attachShader(program, vertexShader);
	gl.attachShader(program, fragmentShader);
	gl.linkProgram(program);
	var linkStatus = gl.getProgramParameter(program, gl.LINK_STATUS);
	expectTrue(linkStatus, "Link should succeed even if a non-existent attribute is bound to the same location as an attribute that's present in the shader text.");
	if (linkStatus) {
	checkAttribLocation(program, 1);
	}
	};

	testProgramNonExistentAttributeBound();
	testProgramNonExistentAttributeOverlap();

	var successfullyParsed = true;
	</script>
	<script src="../../js/js-test-post.js"></script>
	</body>
	</html>