LayoutTests/http/tests/webgl/1.0.2/resources/webgl_test_files/conformance/textures/texture-npot.html - WebKit - Git at Google

 <!--

 /*
 ** 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 Non-Power of 2 texture conformance test.</title>
 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
 <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>
 <canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 <script id="vshader" type="x-shader/x-vertex">
 attribute vec4 vPosition;
 attribute vec2 texCoord0;
 varying vec2 texCoord;
 void main()
 {
     gl_Position = vPosition;
     texCoord = texCoord0;
 }
 </script>

 <script id="fshader" type="x-shader/x-fragment">
 precision mediump float;
 uniform samplerCube tex;
 varying vec2 texCoord;
 void main()
 {
     gl_FragColor = textureCube(tex, normalize(vec3(texCoord, 1)));
 }
 </script>
 <script>
 "use strict";
 description(document.title);
 var wtu = WebGLTestUtils;
 var gl = wtu.create3DContext("example");
 var program = wtu.setupTexturedQuad(gl);

 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

 var tex = gl.createTexture();

 // Check that an NPOT texture not on level 0 generates INVALID_VALUE
 wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1);
 glErrorShouldBe(gl, gl.INVALID_VALUE,
     "gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE");

 // Check that an NPOT texture on level 0 succeeds
 wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255]);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.texImage2D with NPOT texture at level 0 should succeed");

 // Check that generateMipmap fails on NPOT
 gl.generateMipmap(gl.TEXTURE_2D);
 glErrorShouldBe(gl, gl.INVALID_OPERATION,
     "gl.generateMipmap with NPOT texture should return INVALID_OPERATION");

 var loc = gl.getUniformLocation(program, "tex");
 gl.uniform1i(loc, 0);

 // Check that nothing is drawn if filtering is not correct for NPOT
 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);

 wtu.clearAndDrawUnitQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "NPOT texture with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);

 wtu.clearAndDrawUnitQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "NPOT texture with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);

 wtu.clearAndDrawUnitQuad(gl);
 wtu.checkCanvas(
     gl, [0, 192, 128, 255],
     "NPOT texture with TEXTURE_MIN_FILTER set to LINEAR should draw.");

 gl.copyTexImage2D(gl.TEXTURE_2D, 1, gl.RGBA, 0, 0, 5, 3, 0);
 glErrorShouldBe(gl, gl.INVALID_VALUE,
     "copyTexImage2D with NPOT texture with level > 0 should return INVALID_VALUE.");

 // Check that generateMipmap for an POT texture succeeds
 wtu.fillTexture(gl, tex, 4, 4, [0, 192, 128, 255]);
 gl.generateMipmap(gl.TEXTURE_2D);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.texImage2D and gl.generateMipmap with POT texture at level 0 should succeed");

 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);

 wtu.clearAndDrawUnitQuad(gl);
 wtu.checkCanvas(
     gl, [0, 192, 128, 255],
     "POT texture with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw.");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

 debug("");
 debug("check using cubemap");
 var program = wtu.setupProgram(
     gl, ['vshader', 'fshader'], ['vPosition', 'texCoord0'], [0, 1]);
 var tex = gl.createTexture();

 // Check that an NPOT texture not on level 0 generates INVALID_VALUE
 fillCubeTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1);
 glErrorShouldBe(gl, gl.INVALID_VALUE,
     "gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE");

 // Check that an NPOT texture on level 0 succeeds
 fillCubeTexture(gl, tex, 5, 5, [0, 192, 128, 255]);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.texImage2D with NPOT texture at level 0 should succeed");

 // Check that generateMipmap fails on NPOT
 gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
 glErrorShouldBe(gl, gl.INVALID_OPERATION,
     "gl.generateMipmap with NPOT texture should return INVALID_OPERATION");

 var loc = gl.getUniformLocation(program, "tex");
 gl.uniform1i(loc, 0);

 // Check that nothing is drawn if filtering is not correct for NPOT
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT);

 wtu.clearAndDrawUnitQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "NPOT cubemap with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);

 wtu.clearAndDrawUnitQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "NPOT cubemap with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");
 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR);

 wtu.clearAndDrawUnitQuad(gl);
 wtu.checkCanvas(
     gl, [0, 192, 128, 255],
     "NPOT cubemap with TEXTURE_MIN_FILTER set to LINEAR should draw.");

 // Check that an POT texture on level 0 succeeds
 fillCubeTexture(gl, tex, 4, 4, [0, 192, 128, 255]);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.texImage2D with POT texture at level 0 should succeed");

 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT);
 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT);

 wtu.clearAndDrawUnitQuad(gl);
 wtu.checkCanvas(
     gl, [0, 0, 0, 255],
     "POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR but no mips draw with 0,0,0,255");

 // Check that generateMipmap succeeds on POT
 gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
 glErrorShouldBe(gl, gl.NO_ERROR,
     "gl.generateMipmap with POT texture should return succeed");

 wtu.clearAndDrawUnitQuad(gl);
 wtu.checkCanvas(
     gl, [0, 192, 128, 255],
     "POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw.");

 var successfullyParsed = true;

 function fillCubeTexture(gl, tex, width, height, color, opt_level) {
   opt_level = opt_level || 0;
   var canvas = document.createElement('canvas');
   canvas.width = width;
   canvas.height = height;
   var ctx2d = canvas.getContext('2d');
   ctx2d.fillStyle = "rgba(" + color[0] + "," + color[1] + "," + color[2] + "," + color[3] + ")";
   ctx2d.fillRect(0, 0, width, height);
   gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex);
   var targets = [
     gl.TEXTURE_CUBE_MAP_POSITIVE_X,
     gl.TEXTURE_CUBE_MAP_NEGATIVE_X,
     gl.TEXTURE_CUBE_MAP_POSITIVE_Y,
     gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,
     gl.TEXTURE_CUBE_MAP_POSITIVE_Z,
     gl.TEXTURE_CUBE_MAP_NEGATIVE_Z];
   for (var tt = 0; tt < targets.length; ++tt) {
     gl.texImage2D(
         targets[tt], opt_level, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas);
   }
 };

 </script>
 <script src="../../resources/js-test-post.js"></script>

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

	/*
	** 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 Non-Power of 2 texture conformance test.</title>
	<link rel="stylesheet" href="../../resources/js-test-style.css"/>
	<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>
	<canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas>
	<div id="description"></div>
	<div id="console"></div>
	<script id="vshader" type="x-shader/x-vertex">
	attribute vec4 vPosition;
	attribute vec2 texCoord0;
	varying vec2 texCoord;
	void main()
	{
	gl_Position = vPosition;
	texCoord = texCoord0;
	}
	</script>

	<script id="fshader" type="x-shader/x-fragment">
	precision mediump float;
	uniform samplerCube tex;
	varying vec2 texCoord;
	void main()
	{
	gl_FragColor = textureCube(tex, normalize(vec3(texCoord, 1)));
	}
	</script>
	<script>
	"use strict";
	description(document.title);
	var wtu = WebGLTestUtils;
	var gl = wtu.create3DContext("example");
	var program = wtu.setupTexturedQuad(gl);

	glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

	var tex = gl.createTexture();

	// Check that an NPOT texture not on level 0 generates INVALID_VALUE
	wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1);
	glErrorShouldBe(gl, gl.INVALID_VALUE,
	"gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE");

	// Check that an NPOT texture on level 0 succeeds
	wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255]);
	glErrorShouldBe(gl, gl.NO_ERROR,
	"gl.texImage2D with NPOT texture at level 0 should succeed");

	// Check that generateMipmap fails on NPOT
	gl.generateMipmap(gl.TEXTURE_2D);
	glErrorShouldBe(gl, gl.INVALID_OPERATION,
	"gl.generateMipmap with NPOT texture should return INVALID_OPERATION");

	var loc = gl.getUniformLocation(program, "tex");
	gl.uniform1i(loc, 0);

	// Check that nothing is drawn if filtering is not correct for NPOT
	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);

	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(
	gl, [0, 0, 0, 255],
	"NPOT texture with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255");
	glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);

	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(
	gl, [0, 0, 0, 255],
	"NPOT texture with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");
	glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);

	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(
	gl, [0, 192, 128, 255],
	"NPOT texture with TEXTURE_MIN_FILTER set to LINEAR should draw.");

	gl.copyTexImage2D(gl.TEXTURE_2D, 1, gl.RGBA, 0, 0, 5, 3, 0);
	glErrorShouldBe(gl, gl.INVALID_VALUE,
	"copyTexImage2D with NPOT texture with level > 0 should return INVALID_VALUE.");

	// Check that generateMipmap for an POT texture succeeds
	wtu.fillTexture(gl, tex, 4, 4, [0, 192, 128, 255]);
	gl.generateMipmap(gl.TEXTURE_2D);
	glErrorShouldBe(gl, gl.NO_ERROR,
	"gl.texImage2D and gl.generateMipmap with POT texture at level 0 should succeed");

	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);

	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(
	gl, [0, 192, 128, 255],
	"POT texture with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw.");
	glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

	debug("");
	debug("check using cubemap");
	var program = wtu.setupProgram(
	gl, ['vshader', 'fshader'], ['vPosition', 'texCoord0'], [0, 1]);
	var tex = gl.createTexture();

	// Check that an NPOT texture not on level 0 generates INVALID_VALUE
	fillCubeTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1);
	glErrorShouldBe(gl, gl.INVALID_VALUE,
	"gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE");

	// Check that an NPOT texture on level 0 succeeds
	fillCubeTexture(gl, tex, 5, 5, [0, 192, 128, 255]);
	glErrorShouldBe(gl, gl.NO_ERROR,
	"gl.texImage2D with NPOT texture at level 0 should succeed");

	// Check that generateMipmap fails on NPOT
	gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
	glErrorShouldBe(gl, gl.INVALID_OPERATION,
	"gl.generateMipmap with NPOT texture should return INVALID_OPERATION");

	var loc = gl.getUniformLocation(program, "tex");
	gl.uniform1i(loc, 0);

	// Check that nothing is drawn if filtering is not correct for NPOT
	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT);
	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT);

	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(
	gl, [0, 0, 0, 255],
	"NPOT cubemap with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255");
	glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);

	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(
	gl, [0, 0, 0, 255],
	"NPOT cubemap with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");
	glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");

	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR);

	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(
	gl, [0, 192, 128, 255],
	"NPOT cubemap with TEXTURE_MIN_FILTER set to LINEAR should draw.");

	// Check that an POT texture on level 0 succeeds
	fillCubeTexture(gl, tex, 4, 4, [0, 192, 128, 255]);
	glErrorShouldBe(gl, gl.NO_ERROR,
	"gl.texImage2D with POT texture at level 0 should succeed");

	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR);
	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT);
	gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT);

	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(
	gl, [0, 0, 0, 255],
	"POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR but no mips draw with 0,0,0,255");

	// Check that generateMipmap succeeds on POT
	gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
	glErrorShouldBe(gl, gl.NO_ERROR,
	"gl.generateMipmap with POT texture should return succeed");

	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(
	gl, [0, 192, 128, 255],
	"POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw.");

	var successfullyParsed = true;

	function fillCubeTexture(gl, tex, width, height, color, opt_level) {
	opt_level = opt_level \|\| 0;
	var canvas = document.createElement('canvas');
	canvas.width = width;
	canvas.height = height;
	var ctx2d = canvas.getContext('2d');
	ctx2d.fillStyle = "rgba(" + color[0] + "," + color[1] + "," + color[2] + "," + color[3] + ")";
	ctx2d.fillRect(0, 0, width, height);
	gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex);
	var targets = [
	gl.TEXTURE_CUBE_MAP_POSITIVE_X,
	gl.TEXTURE_CUBE_MAP_NEGATIVE_X,
	gl.TEXTURE_CUBE_MAP_POSITIVE_Y,
	gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,
	gl.TEXTURE_CUBE_MAP_POSITIVE_Z,
	gl.TEXTURE_CUBE_MAP_NEGATIVE_Z];
	for (var tt = 0; tt < targets.length; ++tt) {
	gl.texImage2D(
	targets[tt], opt_level, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas);
	}
	};

	</script>
	<script src="../../resources/js-test-post.js"></script>

	</body>
	</html>