| Index: conformance/limits/gl-max-texture-dimensions.html
|
| ===================================================================
|
| --- conformance/limits/gl-max-texture-dimensions.html (revision 0)
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| +++ conformance/limits/gl-max-texture-dimensions.html (working copy)
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| @@ -0,0 +1,131 @@
|
| +<!--
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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
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| +** without limitation the rights to use, copy, modify, merge, publish,
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| +** distribute, sublicense, and/or sell copies of the Materials, and to
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| +** permit persons to whom the Materials are furnished to do so, subject to
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| +** the following conditions:
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| +**
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| +** The above copyright notice and this permission notice shall be included
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| +** in all copies or substantial portions of the Materials.
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| +**
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| +** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| +** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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| +** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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| +** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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| +** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
| +** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
|
| +*/
|
| +
|
| +-->
|
| +
|
| +<!DOCTYPE html>
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| +<html>
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| +<head>
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| +<meta charset="utf-8">
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| +<title>WebGL the max advertized texture size is supported.</title>
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| +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
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| +<script src="../../resources/js-test-pre.js"></script>
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| +<script src="../resources/webgl-test.js"> </script>
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| +<script src="../resources/webgl-test-utils.js"> </script>
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| +</head>
|
| +<body>
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| +<canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas>
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| +<div id="description"></div>
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| +<div id="console"></div>
|
| +<script id="vshader" type="x-shader/x-vertex">
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| +attribute vec4 vPosition;
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| +attribute vec2 texCoord0;
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| +varying vec2 texCoord;
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| +void main()
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| +{
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| + gl_Position = vPosition;
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| + texCoord = texCoord0;
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| +}
|
| +</script>
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| +
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| +<script id="fshader" type="x-shader/x-fragment">
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| +precision mediump float;
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| +uniform samplerCube tex;
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| +varying vec2 texCoord;
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| +void main()
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| +{
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| + gl_FragColor = textureCube(tex, normalize(vec3(texCoord, 1)));
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| +}
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| +</script>
|
| +<script>
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| +"use strict";
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| +description(document.title);
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| +var wtu = WebGLTestUtils;
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| +var gl = wtu.create3DContext("example");
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| +var program = wtu.setupTexturedQuad(gl);
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| +
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| +function shouldBePowerOfTwo(n, name) {
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| + var power = Math.round(Math.log(n) / Math.log(2));
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| + if (Math.pow(2, power) == n) {
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| + testPassed(name + ' is a power of two.');
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| + } else {
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| + testFailed(name + ' should be a power of two, but was ' + n);
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| + }
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| +}
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| +
|
| +// Note: It seems like a reasonable assuption that a 1xN texture size should
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| +// work. Even 1 by 128k is only 512k
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| +var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE);
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| +debug("advertised max size: " + maxSize);
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| +debug("verifying max size is power-of-two (implied by GLES 2.0 section 3.7.1)");
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| +shouldBePowerOfTwo(maxSize, 'Max size');
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| +var testSize = Math.min(maxSize, 128 * 1024);
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| +var pixels = new Uint8Array(testSize * 4);
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| +for (var ii = 0; ii < testSize; ++ii) {
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| + var off = ii * 4;
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| + pixels[off + 0] = 0;
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| + pixels[off + 1] = 255;
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| + pixels[off + 2] = 128;
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| + pixels[off + 3] = 255;
|
| +}
|
| +var tex = gl.createTexture();
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| +gl.bindTexture(gl.TEXTURE_2D, tex);
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| +
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| +debug("test " + testSize + "x1");
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| +gl.texImage2D(
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| + gl.TEXTURE_2D, 0, gl.RGBA, testSize, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE,
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| + pixels);
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| +gl.generateMipmap(gl.TEXTURE_2D);
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| +
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| +wtu.clearAndDrawUnitQuad(gl);
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| +wtu.checkCanvas(gl, [0, 255, 128, 255],
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| + "Should be 0, 255, 128, 255");
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| +debug("test 1x" + testSize);
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| +gl.texImage2D(
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| + gl.TEXTURE_2D, 0, gl.RGBA, 1, testSize, 0, gl.RGBA, gl.UNSIGNED_BYTE,
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| + pixels);
|
| +gl.generateMipmap(gl.TEXTURE_2D);
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| +
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| +wtu.clearAndDrawUnitQuad(gl);
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| +wtu.checkCanvas(gl, [0, 255, 128, 255],
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| + "Should be 0, 255, 128, 255");
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| +
|
| +var program = wtu.setupProgram(
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| + gl, ['vshader', 'fshader'], ['vPosition', 'texCoord0'], [0, 1]);
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| +
|
| +glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
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| +
|
| +// NOTE: We can't easily test cube maps because they require width == height
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| +// and we might not have enough memory for maxSize by maxSize texture.
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| +
|
| +var successfullyParsed = true;
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| +
|
| +</script>
|
| +<script src="../../resources/js-test-post.js"></script>
|
| +
|
| +</body>
|
| +</html>
|
| +
|
| +
|
|
|
| Property changes on: conformance/limits/gl-max-texture-dimensions.html
|
| ___________________________________________________________________
|
| Added: svn:eol-style
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| ## -0,0 +1 ##
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| +LF
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| \ No newline at end of property
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|
|
Chromium Code Reviews
Issue 41503006:
Add ToT WebGL conformance tests : part 8 (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests/