1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/renderbuffers/framebuffer-test.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,173 @@
1.4 +<!--
1.5 +Copyright (c) 2011 The Chromium Authors. All rights reserved.
1.6 +Use of this source code is governed by a BSD-style license that can be
1.7 +found in the LICENSE file.
1.8 + -->
1.9 +<!DOCTYPE html>
1.10 +<html>
1.11 +<head>
1.12 +<meta charset="utf-8">
1.13 +<title>WebGL Framebuffer Test</title>
1.14 +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
1.15 +<script src="../../resources/js-test-pre.js"></script>
1.16 +<script src="../resources/webgl-test.js"></script>
1.17 +<script src="../../resources/desktop-gl-constants.js"></script>
1.18 +</head>
1.19 +<body>
1.20 +<div id="description"></div>
1.21 +<div id="console"></div>
1.22 +<canvas id="canvas" width="2" height="2"> </canvas>
1.23 +<script>
1.24 +description("This tests framebuffer/renderbuffer-related functions");
1.25 +
1.26 +debug("");
1.27 +debug("Canvas.getContext");
1.28 +
1.29 +var canvas = document.getElementById("canvas");
1.30 +var gl = create3DContext(canvas);
1.31 +if (!gl) {
1.32 + testFailed("context does not exist");
1.33 +} else {
1.34 + testPassed("context exists");
1.35 +
1.36 + debug("");
1.37 + debug("Checking framebuffer/renderbuffer stuff.");
1.38 +
1.39 + var value = gl.getFramebufferAttachmentParameter(
1.40 + gl.FRAMEBUFFER,
1.41 + gl.COLOR_ATTACHMENT0,
1.42 + gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE);
1.43 + glErrorShouldBe(gl, gl.INVALID_OPERATION,
1.44 + "calling getFramebufferAttachmentParameter on the default framebuffer should generate INVALID_OPERATION.");
1.45 +
1.46 + assertMsg(gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE,
1.47 + "calling checkFramebufferStatus on the default framebuffer should generate FRAMEBUFFER_COMPLETE.");
1.48 +
1.49 + var tex = gl.createTexture();
1.50 + gl.bindTexture(gl.TEXTURE_2D, tex);
1.51 + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
1.52 + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
1.53 + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
1.54 + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
1.55 + gl.texImage2D(gl.TEXTURE_2D,
1.56 + 0, // level
1.57 + gl.RGBA, // internalFormat
1.58 + canvas.width, // width
1.59 + canvas.height, // height
1.60 + 0, // border
1.61 + gl.RGBA, // format
1.62 + gl.UNSIGNED_BYTE, // type
1.63 + null); // data
1.64 + gl.framebufferTexture2D(
1.65 + gl.FRAMEBUFFER,
1.66 + gl.COLOR_ATTACHMENT0,
1.67 + gl.TEXTURE_2D,
1.68 + tex,
1.69 + 0);
1.70 + glErrorShouldBe(gl, gl.INVALID_OPERATION,
1.71 + "trying to attach a texture to default framebuffer should generate INVALID_OPERATION.");
1.72 +
1.73 + gl.framebufferRenderbuffer(
1.74 + gl.FRAMEBUFFER,
1.75 + gl.COLOR_ATTACHMENT0,
1.76 + gl.RENDERBUFFER,
1.77 + null);
1.78 + glErrorShouldBe(gl, gl.INVALID_OPERATION,
1.79 + "trying to detach default renderbuffer from default framebuffer should generate INVALID_OPERATION.");
1.80 +
1.81 + var rb = gl.createRenderbuffer();
1.82 + gl.bindRenderbuffer(gl.RENDERBUFFER, rb);
1.83 + gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, canvas.width, canvas.height);
1.84 + glErrorShouldBe(gl, gl.NO_ERROR,
1.85 + "allocating renderbuffer storage of a newly created renderbuffer should succeed.");
1.86 +
1.87 + gl.framebufferRenderbuffer(
1.88 + gl.FRAMEBUFFER,
1.89 + gl.COLOR_ATTACHMENT0,
1.90 + gl.RENDERBUFFER,
1.91 + rb);
1.92 + glErrorShouldBe(gl, gl.INVALID_OPERATION,
1.93 + "trying to attach a renderbuffer to the default framebuffer should generate INVALID_OPERATION.");
1.94 +
1.95 + var fbtex = gl.createTexture();
1.96 + gl.bindTexture(gl.TEXTURE_2D, fbtex);
1.97 + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, canvas.width, canvas.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
1.98 + var fb = gl.createFramebuffer();
1.99 +
1.100 + gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
1.101 + glErrorShouldBe(gl, gl.NO_ERROR,
1.102 + "binding a newly created framebuffer should succeed.");
1.103 +
1.104 + var target = desktopGL.READ_FRAMEBUFFER
1.105 + gl.getFramebufferAttachmentParameter(
1.106 + target,
1.107 + gl.COLOR_ATTACHMENT0,
1.108 + gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE);
1.109 + glErrorShouldBe(gl, gl.INVALID_ENUM,
1.110 + "calling getFramebufferAttachmentParameter with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
1.111 + assertMsg(gl.checkFramebufferStatus(target) == 0,
1.112 + "calling checkFramebufferStatus with target = READ_FRAMEBUFFER should return 0.");
1.113 + glErrorShouldBe(gl, gl.INVALID_ENUM,
1.114 + "calling checkFramebufferStatus with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
1.115 + gl.bindFramebuffer(target, gl.createFramebuffer());
1.116 + glErrorShouldBe(gl, gl.INVALID_ENUM,
1.117 + "calling bindFramebuffer with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
1.118 + assertMsg(fb == gl.getParameter(gl.FRAMEBUFFER_BINDING),
1.119 + "calling bindFramebuffer with target = READ_FRAMEBUFFER should not change FRAMEBUFFER_BINDING.");
1.120 + gl.getFramebufferAttachmentParameter(target, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE);
1.121 + glErrorShouldBe(gl, gl.INVALID_ENUM,
1.122 + "calling getFramebufferAttachmentParameter with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
1.123 + gl.framebufferTexture2D(target, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, fbtex, 0);
1.124 + glErrorShouldBe(gl, gl.INVALID_ENUM,
1.125 + "calling framebufferTexImage2D with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
1.126 + gl.framebufferRenderbuffer(target, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rb);
1.127 + glErrorShouldBe(gl, gl.INVALID_ENUM,
1.128 + "calling framebufferRenderbuffer with target = READ_FRAMEBUFFER should generate INVALID_ENUM.");
1.129 +
1.130 + var attachment = desktopGL.COLOR_ATTACHMENT1
1.131 + gl.framebufferTexture2D(gl.FRAMEBUFFER, attachment, gl.TEXTURE_2D, fbtex, 0);
1.132 + glErrorShouldBe(gl, gl.INVALID_ENUM,
1.133 + "calling framebufferTexImage2D with attachment = COLOR_ATTACHMENT1 should generate INVALID_ENUM.");
1.134 + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, attachment, gl.RENDERBUFFER, rb);
1.135 + glErrorShouldBe(gl, gl.INVALID_ENUM,
1.136 + "calling framebufferRenderbuffer with attachment = COLOR_ATTACHMENT1 should generate INVALID_ENUM.");
1.137 +
1.138 + gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER,
1.139 + gl.COLOR_ATTACHMENT0,
1.140 + desktopGL.FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING);
1.141 + glErrorShouldBe(gl, gl.INVALID_ENUM,
1.142 + "calling getFramebufferAttachmentParameter with pname = GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING should generate INVALID_ENUM.");
1.143 +
1.144 + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, fbtex, 0);
1.145 + glErrorShouldBe(gl, gl.NO_ERROR,
1.146 + "attaching a texture to a framebuffer should succeed.");
1.147 +
1.148 + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, null, 0);
1.149 + glErrorShouldBe(gl, gl.NO_ERROR,
1.150 + "detaching a texture from a framebuffer should succeed.");
1.151 +
1.152 + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, fbtex, 1);
1.153 + glErrorShouldBe(gl, gl.INVALID_VALUE,
1.154 + "calling framebufferTexture2D with non-zero mipmap level should generate INVALID_VALUE.");
1.155 +
1.156 + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rb);
1.157 + glErrorShouldBe(gl, gl.NO_ERROR,
1.158 + "attaching a renderbuffer to a framebuffer should succeed.");
1.159 +
1.160 + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, null);
1.161 + glErrorShouldBe(gl, gl.NO_ERROR,
1.162 + "detaching a renderbuffer from a framebuffer should succeed.");
1.163 +
1.164 + gl.bindFramebuffer(gl.FRAMEBUFFER, null);
1.165 + glErrorShouldBe(gl, gl.NO_ERROR,
1.166 + "binding default (null) framebuffer should succeed.");
1.167 +}
1.168 +
1.169 +debug("");
1.170 +successfullyParsed = true;
1.171 +
1.172 +</script>
1.173 +<script>finishTest();</script>
1.174 +
1.175 +</body>
1.176 +</html>
