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+<!--
+
+/*
+** Copyright (c) 2012 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">
+<title>WebGL clear conformance test.</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="example" width="1" height="1" style="width: 256px; height: 48px;"></canvas>
+<div id="description"></div><div id="console"></div>
+<script>
+"use strict";
+description("Test clear.");
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("example");
+var program = wtu.setupTexturedQuad(gl);
+
+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
+wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0");
+
+gl.clearColor(1,1,1,1);
+gl.clear(gl.COLOR_BUFFER_BIT);
+wtu.checkCanvas(gl, [255,255,255,255], "should be 255,255,255,255");
+
+gl.clearColor(0,0,0,0);
+gl.clear(gl.COLOR_BUFFER_BIT);
+wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0");
+
+gl.colorMask(false, false, false, true);
+gl.clearColor(1,1,1,1);
+gl.clear(gl.COLOR_BUFFER_BIT);
+wtu.checkCanvas(gl, [0,0,0,255], "should be 0,0,0,255");
+
+var tex = gl.createTexture();
+  gl.bindTexture(gl.TEXTURE_2D, tex);
+  gl.texImage2D(
+      gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE,
+      new Uint8Array([128, 128, 128, 192]));
+
+gl.disable(gl.DEPTH_TEST);
+gl.disable(gl.BLEND);
+gl.colorMask(true, true, true, true);
+gl.drawArrays(gl.TRIANGLES, 0, 6);
+wtu.checkCanvas(gl, [128,128,128,192], "should be 128,128,128,192");
+
+gl.colorMask(false, false, false, true);
+gl.clearColor(1,1,1,1);
+gl.clear(gl.COLOR_BUFFER_BIT);
+wtu.checkCanvas(gl, [128,128,128,255], "should be 128,128,128,255");
+
+// TODO: Test depth and stencil clearing.
+
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+</body>
+</html>
+