LayoutTests/webgl/2.0.0/resources/webgl_test_files/conformance/rendering/default-texture-draw-bug.html - WebKit - Git at Google

 <!--

 /*
 ** Copyright (c) 2015 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.
 */

 -->

 <html>
 <head>
 <meta charset="utf-8">
 <title>WebGL Default Texture Draw Bug 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>
 <canvas id="c"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 <script>
 "use strict";
 description("This test attempts to provoke a Chrome bug that occured when drawing with textures when one was never bound. <a href='http://crbug.com/524144'>crbug.com/524144</a>");

 debug("");

 var wtu = WebGLTestUtils;
 var gl = wtu.create3DContext("c");
 var canvas = gl.canvas;

 if (!gl) {
     testFailed("WebGL context does not exist");
 } else {
     testPassed("WebGL context exists");

     runDrawTests();

     wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
 }

 function runDrawTests(drawType) {
     debug("Test that drawing with a texture when no textures have been bound gives the expected black output");
     canvas.width = 50; canvas.height = 50;
     gl.viewport(0, 0, canvas.width, canvas.height);

     // Set up a program that will draw with a texture
     var program = wtu.setupNoTexCoordTextureProgram(gl);

     wtu.setupIndexedQuad(gl);
     for (var i = 0 ; i < 100 && _bufferedConsoleLogs != null; ++i) {
         // Clear to white.
         gl.clearColor(1.0, 1.0, 1.0, 1.0);
         gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);

         // Draw without binding any textures.
         gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0);

         // Check to ensure the entire canvas is black.
         wtu.checkCanvasRect(gl, 0.0, 0.0, canvas.width, canvas.height,
                 [0.0, 0.0, 0.0], "Draw should pass", 2);
     }
 }

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

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

	/*
	** Copyright (c) 2015 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.
	*/

	-->

	<html>
	<head>
	<meta charset="utf-8">
	<title>WebGL Default Texture Draw Bug 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>
	<canvas id="c"></canvas>
	<div id="description"></div>
	<div id="console"></div>
	<script>
	"use strict";
	description("This test attempts to provoke a Chrome bug that occured when drawing with textures when one was never bound. <a href='http://crbug.com/524144'>crbug.com/524144</a>");

	debug("");

	var wtu = WebGLTestUtils;
	var gl = wtu.create3DContext("c");
	var canvas = gl.canvas;

	if (!gl) {
	testFailed("WebGL context does not exist");
	} else {
	testPassed("WebGL context exists");

	runDrawTests();

	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
	}

	function runDrawTests(drawType) {
	debug("Test that drawing with a texture when no textures have been bound gives the expected black output");
	canvas.width = 50; canvas.height = 50;
	gl.viewport(0, 0, canvas.width, canvas.height);

	// Set up a program that will draw with a texture
	var program = wtu.setupNoTexCoordTextureProgram(gl);

	wtu.setupIndexedQuad(gl);
	for (var i = 0 ; i < 100 && _bufferedConsoleLogs != null; ++i) {
	// Clear to white.
	gl.clearColor(1.0, 1.0, 1.0, 1.0);
	gl.clear(gl.COLOR_BUFFER_BIT \| gl.DEPTH_BUFFER_BIT);

	// Draw without binding any textures.
	gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0);

	// Check to ensure the entire canvas is black.
	wtu.checkCanvasRect(gl, 0.0, 0.0, canvas.width, canvas.height,
	[0.0, 0.0, 0.0], "Draw should pass", 2);
	}
	}

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

	</body>
	</html>