| Index: conformance/renderbuffers/renderbuffer-initialization.html
|
| ===================================================================
|
| --- conformance/renderbuffers/renderbuffer-initialization.html (revision 0)
|
| +++ conformance/renderbuffers/renderbuffer-initialization.html (revision 0)
|
| @@ -0,0 +1,99 @@
|
| +<!--
|
| +Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
| +Use of this source code is governed by a BSD-style license that can be
|
| +found in the LICENSE file.
|
| + -->
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<head>
|
| +<meta charset="utf-8">
|
| +<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="testbed" width="400" height="400" style="width: 40px; height: 40px;"></canvas>
|
| +<div id="description"></div>
|
| +<div id="console"></div>
|
| +<script>
|
| +var wtu = WebGLTestUtils;
|
| +description('Verify renderbuffers are initialized to 0 before being read in WebGL');
|
| +
|
| +var canvas = document.getElementById("testbed");
|
| +var gl = create3DContext(canvas);
|
| +if (!gl) {
|
| + testFailed('canvas.getContext() failed');
|
| +} else {
|
| + // Set the clear color to green. It should never show up.
|
| + gl.clearColor(0, 1, 0, 1);
|
| +
|
| + runTest(gl, canvas.width, canvas.height, 0);
|
| + runTest(gl, canvas.width, canvas.height, 1);
|
| + runTest(gl, canvas.width, canvas.height, 0);
|
| + runTest(gl, canvas.width, canvas.height, 1);
|
| +
|
| + // Testing buffer clearing won't change the clear values.
|
| + var clearColor = gl.getParameter(gl.COLOR_CLEAR_VALUE);
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| + shouldBe("clearColor", "[0, 1, 0, 1]");
|
| + glErrorShouldBe(gl, gl.NO_ERROR, 'should be no errors');
|
| +}
|
| +
|
| +function runTest(gl, width, height, order)
|
| +{
|
| + wtu.checkCanvasRect(gl, 0, 0, width, height, [0,0,0,0],
|
| + "internal buffers have been initialized to 0");
|
| +
|
| + // fill the back buffer so we know that reading below happens from
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| + // the renderbuffer.
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| + gl.clear(gl.COLOR_BUFFER_BIT);
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| +
|
| + var fbo = gl.createFramebuffer();
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| + gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
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| + var colorbuffer = gl.createRenderbuffer();
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| + gl.bindRenderbuffer(gl.RENDERBUFFER, colorbuffer);
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| + switch (order) {
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| + case 0:
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| + allocStorage(width, height);
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| + attachBuffer(colorbuffer);
|
| + break;
|
| + case 1:
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| + attachBuffer(colorbuffer);
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| + allocStorage(width, height);
|
| + break;
|
| + }
|
| +
|
| + function allocStorage(width, height) {
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| + gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, width, height);
|
| + glErrorShouldBe(gl, gl.NO_ERROR, 'should be no error after renderbufferStorage(internalformat = RGBA4).');
|
| + }
|
| +
|
| + function attachBuffer(colorbuffer) {
|
| + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorbuffer);
|
| + }
|
| +
|
| + if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) {
|
| + testFailed('Framebuffer incomplete.');
|
| + return;
|
| + }
|
| +
|
| + wtu.checkCanvasRect(gl, 0, 0, width, height, [0,0,0,0],
|
| + "user buffers have been initialized to 0");
|
| +
|
| + gl.deleteFramebuffer(fbo);
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| + gl.deleteRenderbuffer(colorbuffer);
|
| +
|
| + // this clear should not matter we are about to resize
|
| + gl.clear(gl.COLOR_BUFFER_BIT);
|
| +
|
| + canvas.width += 1;
|
| + canvas.height += 1;
|
| +
|
| + debug('');
|
| +}
|
| +
|
| +successfullyParsed = true;
|
| +</script>
|
| +<script src="../../resources/js-test-post.js"></script>
|
| +</body>
|
| +</html>
|
|
|
| Property changes on: conformance/renderbuffers/renderbuffer-initialization.html
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/