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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 texture2D GLSL conformance test.</title>
+<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
+<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/>
+<script src="../../../js/js-test-pre.js"></script>
+<script src="../../../js/webgl-test-utils.js"> </script>
+</head>
+<body>
+<canvas id="example" width="32" height="32"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vshader0" type="x-shader/x-vertex">
+attribute vec4 vPosition;
+attribute vec2 texCoord0;
+varying vec2 texCoord;
+void main() {
+    gl_Position = vPosition;
+    texCoord = texCoord0;
+}
+</script>
+<script id="fshader0" type="x-shader/x-fragment">
+precision mediump float;
+uniform sampler2D tex;
+uniform float divisor;
+varying vec2 texCoord;
+void main() {
+    gl_FragData[0] = texture2DProj(tex, vec3(texCoord, divisor));
+}
+</script>
+<script id="vshader1" type="x-shader/x-vertex">
+attribute vec4 vPosition;
+attribute vec2 texCoord0;
+varying vec2 texCoord;
+void main() {
+    gl_Position = vPosition;
+    texCoord = texCoord0;
+}
+</script>
+<script id="fshader1" type="x-shader/x-fragment">
+precision mediump float;
+uniform sampler2D tex;
+uniform float divisor;
+varying vec2 texCoord;
+void main() {
+    gl_FragData[0] = texture2DProj(tex, vec4(texCoord, 123.0, divisor));
+}
+</script>
+<script>
+"use strict";
+description("tests GLSL texture2DProj function with");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("example", {antialias: false});
+
+wtu.setupUnitQuad(gl, 0, 1);
+var tex = gl.createTexture();
+gl.bindTexture(gl.TEXTURE_2D, tex);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
+
+var c = document.createElement("canvas");
+c.width = 16;
+c.height = 16;
+var ctx = c.getContext("2d");
+ctx.fillStyle = "rgb(0,255,0)";
+ctx.fillRect(0, 0, 16, 16);
+ctx.fillStyle = "rgb(0,0,255)";
+ctx.fillRect(0, 0, 8, 8);
+ctx.fillRect(8, 8, 8, 8);
+
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, c);
+
+for (var ss = 0; ss < 2; ++ss) {
+  debug("");
+  debug(ss ? "testing vec4 version" : "testing vec3 version");
+  var program = wtu.setupProgram(
+      gl, ['vshader' + ss, 'fshader' + ss],
+      ['vPosition', 'texCoord0'], [0, 1]);
+  gl.useProgram(program);
+  var loc = gl.getUniformLocation(program, "divisor");
+
+  for (var ii = 0; ii < 3; ++ii) {
+    var denominator = Math.pow(2, ii);
+    gl.uniform1f(loc, 1 / denominator);
+    wtu.clearAndDrawUnitQuad(gl);
+    var size = 16 / denominator;
+    for (var yy = 0; yy < 32; yy += size) {
+      for (var xx = 0; xx < 32; xx += size) {
+        var odd = (xx / size + yy / size) % 2;
+        var color = odd ? [0, 255, 0, 255] : [0, 0, 255, 255];
+        var msg = "" + xx + ", " + yy + ", " + size + ", " + size + " should be " + (odd ? "green" : "blue");
+        wtu.checkCanvasRect(gl, xx, yy, size, size, color, msg);
+      }
+    }
+  }
+}
+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
+
+var successfullyParsed = true;
+
+</script>
+<script src="../../../js/js-test-post.js"></script>
+
+</body>
+</html>