1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/misc/object-deletion-behaviour.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,428 @@
1.4 +<!--
1.5 +Copyright (c) 2011 The Chromium Authors.
1.6 +Copyright (c) 2011 Mozilla Foundation.
1.7 +
1.8 +All rights reserved.
1.9 +Use of this source code is governed by a BSD-style license that can be
1.10 +found in the LICENSE file.
1.11 + -->
1.12 +<!DOCTYPE html>
1.13 +<html>
1.14 +<head>
1.15 +<meta charset="utf-8">
1.16 +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
1.17 +<script src="../../resources/js-test-pre.js"></script>
1.18 +<script src="../resources/webgl-test.js"></script>
1.19 +<script src="../resources/webgl-test-utils.js"></script>
1.20 +</head>
1.21 +<body>
1.22 +<div id="description"></div>
1.23 +<div id="console"></div>
1.24 +
1.25 +<script>
1.26 +description("Tests deletion behavior for texture, renderbuffer, shader, and program");
1.27 +
1.28 +var wtu = WebGLTestUtils;
1.29 +var gl = wtu.create3DContext();
1.30 +var shouldGenerateGLError = wtu.shouldGenerateGLError;
1.31 +
1.32 +debug("");
1.33 +debug("shader and program deletion");
1.34 +
1.35 +var vertexShader = wtu.loadStandardVertexShader(gl);
1.36 +assertMsg(vertexShader, "vertex shader loaded");
1.37 +var fragmentShader = wtu.loadStandardFragmentShader(gl);
1.38 +assertMsg(fragmentShader, "fragment shader loaded");
1.39 +
1.40 +var program = gl.createProgram();
1.41 +shouldBeNonNull("program");
1.42 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, vertexShader)");
1.43 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.attachShader(program, fragmentShader)");
1.44 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.linkProgram(program)");
1.45 +shouldBeTrue("gl.getProgramParameter(program, gl.LINK_STATUS)");
1.46 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(program)");
1.47 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(vertexShader)");
1.48 +shouldBeTrue("gl.isShader(vertexShader)");
1.49 +shouldBeTrue("gl.getShaderParameter(vertexShader, gl.DELETE_STATUS)");
1.50 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.detachShader(program, vertexShader)");
1.51 +shouldBeFalse("gl.isShader(vertexShader)");
1.52 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteShader(fragmentShader)");
1.53 +shouldBeTrue("gl.isShader(fragmentShader)");
1.54 +shouldBeTrue("gl.getShaderParameter(fragmentShader, gl.DELETE_STATUS)");
1.55 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteProgram(program)");
1.56 +shouldBeTrue("gl.isProgram(program)");
1.57 +shouldBeTrue("gl.getProgramParameter(program, gl.DELETE_STATUS)");
1.58 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.useProgram(null)");
1.59 +shouldBeFalse("gl.isProgram(program)");
1.60 +shouldBeFalse("gl.isShader(fragmentShader)");
1.61 +
1.62 +debug("");
1.63 +debug("texture deletion");
1.64 +
1.65 +var fbo = gl.createFramebuffer(), fbo2 = gl.createFramebuffer(), fbo3 = gl.createFramebuffer();
1.66 +shouldBeNonNull("fbo");
1.67 +shouldBeNonNull("fbo2");
1.68 +shouldBeNonNull("fbo3");
1.69 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.70 +
1.71 +var tex = gl.createTexture();
1.72 +shouldBeNonNull("tex");
1.73 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
1.74 +shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "tex");
1.75 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
1.76 +shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");
1.77 +shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.TEXTURE");
1.78 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
1.79 +// Deleting a texture bound to the currently-bound fbo is the same as
1.80 +// detaching the textue from fbo first, then delete the texture.
1.81 +shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
1.82 +shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
1.83 +shouldBeFalse("gl.isTexture(tex)");
1.84 +shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
1.85 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
1.86 +shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
1.87 +
1.88 +var texCubeMap = gl.createTexture();
1.89 +shouldBeNonNull("texCubeMap");
1.90 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCubeMap)");
1.91 +shouldBe("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)", "texCubeMap");
1.92 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(texCubeMap)");
1.93 +shouldBeFalse("gl.isTexture(texCubeMap)");
1.94 +shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");
1.95 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCubeMap)");
1.96 +shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_CUBE_MAP)");
1.97 +
1.98 +var t = gl.createTexture();
1.99 +shouldBeNonNull("t");
1.100 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");
1.101 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)");
1.102 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t)");
1.103 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t)");
1.104 +shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)");
1.105 +
1.106 +var t2 = gl.createTexture();
1.107 +shouldBeNonNull("t2");
1.108 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");
1.109 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");
1.110 +shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");
1.111 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE1)");
1.112 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, t2)");
1.113 +shouldBe("gl.getParameter(gl.TEXTURE_BINDING_2D)", "t2");
1.114 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(t2)");
1.115 +shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
1.116 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.activeTexture(gl.TEXTURE0)");
1.117 +shouldBeNull("gl.getParameter(gl.TEXTURE_BINDING_2D)");
1.118 +
1.119 +debug("");
1.120 +debug("renderbuffer deletion");
1.121 +
1.122 +var rbo = gl.createRenderbuffer(), rbo2 = gl.createRenderbuffer(), rbo3 = gl.createRenderbuffer();
1.123 +shouldBeNonNull("rbo");
1.124 +shouldBeNonNull("rbo2");
1.125 +shouldBeNonNull("rbo3");
1.126 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");
1.127 +shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo");
1.128 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
1.129 +shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
1.130 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
1.131 +// Deleting a renderbuffer bound to the currently-bound fbo is the same as
1.132 +// detaching the renderbuffer from fbo first, then delete the renderbuffer.
1.133 +shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
1.134 +shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
1.135 +shouldBeFalse("gl.isRenderbuffer(rbo)");
1.136 +shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");
1.137 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");
1.138 +shouldBeNull("gl.getParameter(gl.RENDERBUFFER_BINDING)");
1.139 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo2)");
1.140 +shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");
1.141 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo3)");
1.142 +shouldBe("gl.getParameter(gl.RENDERBUFFER_BINDING)", "rbo2");
1.143 +
1.144 +debug("");
1.145 +debug("using deleted renderbuffer");
1.146 +rbo = gl.createRenderbuffer();
1.147 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");
1.148 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
1.149 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.150 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
1.151 +if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
1.152 + // make backbuffer red
1.153 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.154 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
1.155 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.156 + // make fbo green
1.157 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.158 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
1.159 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.160 + // Bind backbuffer.
1.161 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.162 + // delete renderbuffer. It should still be attached to fbo though.
1.163 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
1.164 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
1.165 + // Use fbo that has deleted rbo.
1.166 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.167 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
1.168 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
1.169 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.170 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');
1.171 + // Bind backbuffer.
1.172 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.173 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
1.174 +}
1.175 +
1.176 +debug("");
1.177 +debug("renderbuffer attached twice to same framebuffer");
1.178 +rbo = gl.createRenderbuffer();
1.179 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");
1.180 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
1.181 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.182 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
1.183 +if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
1.184 + rbo2 = gl.createRenderbuffer();
1.185 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo2)");
1.186 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
1.187 + // attach rbo2 at two attachment points incompatible with it
1.188 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, rbo2)");
1.189 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT, gl.RENDERBUFFER, rbo2)");
1.190 + shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");
1.191 + shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo2");
1.192 + // fbo can't be complete as rbo2 is attached at incompatible attachment points
1.193 + shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
1.194 + // now we delete rbo2, which detaches it from the two attachment points where it currently is attached
1.195 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo2)");
1.196 + shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
1.197 + shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)", "gl.NONE");
1.198 + // we should now be in the same state as before with only rbo attached, so fbo should be complete again
1.199 + shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
1.200 + shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
1.201 +}
1.202 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
1.203 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.204 +
1.205 +
1.206 +
1.207 +debug("");
1.208 +debug("using deleted texture");
1.209 +tex = gl.createTexture();
1.210 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
1.211 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.212 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
1.213 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");
1.214 +if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
1.215 + // make fbo green
1.216 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.217 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
1.218 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.219 + // Bind backbuffer.
1.220 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.221 + // delete texture. It should still be attached to fbo though.
1.222 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
1.223 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [255,0,0,255], "backbuffer should be red")');
1.224 + // Use fbo that has deleted texture.
1.225 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.226 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0,255,0,255], "fbo should be green")');
1.227 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
1.228 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.229 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0,0,255,255], "fbo should be blue")');
1.230 + // Bind backbuffer.
1.231 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.232 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
1.233 +}
1.234 +
1.235 +debug("");
1.236 +debug("using deleted renderbuffer");
1.237 +rbo = gl.createRenderbuffer();
1.238 +shouldBeNonNull("rbo");
1.239 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");
1.240 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
1.241 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.242 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
1.243 +if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
1.244 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");
1.245 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
1.246 + shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
1.247 + // make backbuffer red
1.248 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.249 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
1.250 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.251 + // make fbo green
1.252 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.253 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
1.254 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.255 + // delete renderbuffer. It should still be attached to fbo2 though.
1.256 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteRenderbuffer(rbo)");
1.257 + // fbo has no attachments
1.258 + shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
1.259 + // Use fbo2 that has deleted rbo.
1.260 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");
1.261 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
1.262 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
1.263 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.264 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,0,255,255], "fbo should be blue")');
1.265 + shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "rbo");
1.266 +
1.267 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.268 + shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
1.269 + shouldGenerateGLError(gl, gl.NONE, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE)");
1.270 + shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
1.271 + // Bind backbuffer.
1.272 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.273 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
1.274 +}
1.275 +
1.276 +debug("");
1.277 +debug("using deleted texture");
1.278 +tex = gl.createTexture();
1.279 +shouldBeNonNull("tex");
1.280 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindTexture(gl.TEXTURE_2D, tex)");
1.281 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.282 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
1.283 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null)");
1.284 +if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
1.285 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");
1.286 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0)");
1.287 + // make fbo green
1.288 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.289 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
1.290 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.291 + // delete texture. It should still be attached to fbo2 though.
1.292 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteTexture(tex)");
1.293 + // fbo has no attachments
1.294 + shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
1.295 + // Use fbo that has deleted texture.
1.296 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");
1.297 + shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
1.298 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0,255,0,255], "fbo should be green")');
1.299 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,0,1,1)");
1.300 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.301 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0,0,255,255], "fbo should be blue")');
1.302 + shouldBe("gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)", "tex");
1.303 +
1.304 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.305 + shouldGenerateGLError(gl, gl.INVALID_ENUM, "gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME)");
1.306 + shouldNotBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
1.307 + // Bind backbuffer.
1.308 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.309 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [255,0,0,255], "backbuffer should be red")');
1.310 +}
1.311 +
1.312 +debug("");
1.313 +debug("buffer deletion");
1.314 +
1.315 +var buffer = gl.createBuffer();
1.316 +shouldBeNonNull("buffer");
1.317 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)");
1.318 +shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer");
1.319 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer)");
1.320 +shouldBeFalse("gl.isBuffer(buffer)");
1.321 +shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
1.322 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer)");
1.323 +shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
1.324 +
1.325 +var buffer2 = gl.createBuffer();
1.326 +shouldBeNonNull("buffer2");
1.327 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)");
1.328 +shouldBe("gl.getParameter(gl.ARRAY_BUFFER_BINDING)", "buffer2");
1.329 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, null)");
1.330 +shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
1.331 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(buffer2)");
1.332 +shouldBeFalse("gl.isBuffer(buffer2)");
1.333 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, buffer2)");
1.334 +shouldBeNull("gl.getParameter(gl.ARRAY_BUFFER_BINDING)");
1.335 +
1.336 +var bufferElement = gl.createBuffer();
1.337 +shouldBeNonNull("bufferElement");
1.338 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, bufferElement)");
1.339 +shouldBe("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)", "bufferElement");
1.340 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(bufferElement)");
1.341 +shouldBeFalse("gl.isBuffer(bufferElement)");
1.342 +shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");
1.343 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, bufferElement)");
1.344 +shouldBeNull("gl.getParameter(gl.ELEMENT_ARRAY_BUFFER_BINDING)");
1.345 +
1.346 +var b = gl.createBuffer();
1.347 +shouldBeNonNull("b");
1.348 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");
1.349 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STATIC_DRAW)");
1.350 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b)");
1.351 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b)");
1.352 +shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.bufferData(gl.ARRAY_BUFFER, 1, gl.STATIC_DRAW)");
1.353 +
1.354 +var b1 = gl.createBuffer();
1.355 +shouldBeNonNull("b1");
1.356 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b1);");
1.357 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(1);");
1.358 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(1, 4, gl.FLOAT, false, 0, 0);");
1.359 +var b2 = gl.createBuffer();
1.360 +shouldBeNonNull("b2");
1.361 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindBuffer(gl.ARRAY_BUFFER, b2);");
1.362 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(2);");
1.363 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(2, 4, gl.FLOAT, false, 0, 0);");
1.364 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.enableVertexAttribArray(3);");
1.365 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.vertexAttribPointer(3, 4, gl.FLOAT, false, 0, 0);");
1.366 +shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");
1.367 +shouldBe("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");
1.368 +shouldBe("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b2");
1.369 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b2);");
1.370 +shouldBe("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)", "b1");
1.371 +shouldBeNull("gl.getVertexAttrib(2, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
1.372 +shouldBeNull("gl.getVertexAttrib(3, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
1.373 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteBuffer(b1);");
1.374 +shouldBeNull("gl.getVertexAttrib(1, gl.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)");
1.375 +
1.376 +debug("");
1.377 +debug("framebuffer deletion");
1.378 +
1.379 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.380 +shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo");
1.381 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");
1.382 +shouldBeFalse("gl.isFramebuffer(fbo)");
1.383 +shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");
1.384 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.385 +shouldBeNull("gl.getParameter(gl.FRAMEBUFFER_BINDING)");
1.386 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo2)");
1.387 +shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");
1.388 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo3)");
1.389 +shouldBe("gl.getParameter(gl.FRAMEBUFFER_BINDING)", "fbo2");
1.390 +
1.391 +fbo = gl.createFramebuffer();
1.392 +rbo = gl.createRenderbuffer();
1.393 +shouldBeNonNull("fbo");
1.394 +shouldBeNonNull("rbo");
1.395 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.396 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindRenderbuffer(gl.RENDERBUFFER, rbo)");
1.397 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 16, 16)");
1.398 +shouldGenerateGLError(gl, gl.NO_ERROR, "gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rbo)");
1.399 +if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) {
1.400 + // set backbuffer to red
1.401 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.402 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(1,0,0,1)");
1.403 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.404 + // set framebuffer to green
1.405 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, fbo)");
1.406 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
1.407 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.408 + // check framebuffer
1.409 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 16, 16, [0,255,0,255], "fbo should be green")');
1.410 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 16, 16, 1, 1, [0,0,0,0], "outside fbo should be black")');
1.411 + // delete framebuffer. because this was the bound fbo the backbuffer should be active now
1.412 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.deleteFramebuffer(fbo)");
1.413 + // check backbuffer
1.414 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150, [255,0,0,255], "backbuffer should be red")');
1.415 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 300, 0, 300, 300, [0,0,0,0], "outside backbuffer should be black")');
1.416 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 150, 300, 300, [0,0,0,0], "outside backbuffer should be black")');
1.417 + // check drawing to backbuffer
1.418 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clearColor(0,1,0,1)");
1.419 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.clear(gl.COLOR_BUFFER_BIT)");
1.420 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150, [0,255,0,255], "fbo should be green")');
1.421 + shouldGenerateGLError(gl, gl.NO_ERROR, "gl.bindFramebuffer(gl.FRAMEBUFFER, null)");
1.422 + // check again because many buggy implementations will have bound to the true backbuffer on deleteFramebuffer.
1.423 + shouldGenerateGLError(gl, gl.NO_ERROR, 'wtu.checkCanvasRect(gl, 0, 0, 300, 150, [0,255,0,255], "fbo should be green")');
1.424 +}
1.425 +
1.426 +successfullyParsed = true;
1.427 +</script>
1.428 +
1.429 +<script>finishTest();</script>
1.430 +</body>
1.431 +</html>
