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POArtefacts with SSAO in Three.js only on MacBook Pro (Retina)
 

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    <p>I'm currently using the <a href="https://github.com/mrdoob/three.js/blob/master/examples/js/shaders/SSAOShader.js" rel="nofollow noreferrer">SSAO shader provided in the Three.js examples</a>. It works perfectly on most of my machines aside from my MacBook Pro Retina. The MBP rendered SSAO perfectly until a few weeks ago (potentially after a firmware upgrade on the MBP).</p> <p>As it stands, the MBP renders SSAO scenes with a huge amount of flickering artefacts all over the screen, like so:</p> <p><a href="http://www.mrdoob.com/projects/htmleditor/#B/tRfbUts49Dn9Cm36UFOMHegy282FnTZc+gALQ+h0djp9UGw5VrElV5IJgeHf90iyHDs4ne1sywRb0rnf5fFvx5fTm3+uTlCq8uzoxdi+euOU4BjevXFOFEZRioUkatIvVbL3tm8AUq0yole9OY9X6FGvenMc3S4EL1m8F/GMiyF6OTB/IwPOsVhQNkTVlt8RkWR8OUQpjWPCzOmTZh467uOw0mSspVjBkaCFQlJEk36qVDEMw1zEnM+DBVVpOQ8inocqFYQEX2U4L2kWV9ucMjjqHwF7w0Oz+3GO5B7nRUZkCGuZ4pgIGU55sZqZ9TMBP4H7bPbucgv3/yeg4FIVgkdESsoW4UmSkEhNeQ7nP9eSDUHXhIExV1jKXyjkAsvbXyzCBqVTyFrO0Qud1mGIllzcYlMcKOECikrwnKB5uYD8t1pEPCbBgvNFRowORWiQaJmHVMoSdIihHGn2F40nbw7/fDt4Ge0faO40QR5aUhbzZUAZI+ITjVWKJpMJGqAd9NgFQwUWhKnG2aiF9oHQRao28OzhCD2ZAu4ZO3t3GKzBORHYRzIijPhImAgTMXJw3RWKeheTQqUXWBFBcebb7Q00B6J8FFX5NzJ+o4wqb8cQYkZzINE7vU1KFinKGbIo0IGMTk4yKM7IEt18uD45CT6R+dn5dQWp2NWYAbS2GX0gHR70uzxSkcc8KnPtGN2ZAlwUwG6aQrfxauuDmOcnGdFYjso8rLNaGl5BoRdQffSOTA3UQ38c+h1xCztU8tE+/KDNOilWQAB+pNpFwQPIOtRd2EBNjFrSZ/rEObZnYtWCX86/gm5vjp3rDIcAx2CrRW5aZ8JNILeVWLW4TMs5OasAHujrV/+OWhPmVVK0CC+ITN9jSSOXMh6kdDVgBvdJoicMekJOf11dHtLcKLAZjOA11u7Ri91dXQ9rZa1Q4P9MoFcb4a+1qjTtaYq1e++BGFRLA4EhNDkk42v0O6i0hw7c6NugWP0wxcN/pRBc4W6tOrGeadKJ9Ux6E0tGGBqWFtfYrtrbLvUh8rtov+Jk8simlAmHk2CeT+uAQSM17aKdb+bItmMQVCW12Z7T+WfUN/Drs/fv+ujLqE31kVFImFzWdO7go6KZDKKMQ2k0BQSlo3AJ12pn7cIyFM20TQRe6IZgIcMW4zbMR3A/UuS+C7MJ8ZFTaLhh0bokwGvt2dVoRlW/bendvgqsO1rdYNwlAQKm55/XoF1Pd8+Ng6rh7bQ9Zjv+tkZtoR463D/w7eMRwQ3ulGZKe8Pin1NGsLBnukwX3wNrp2DlYDobTs2J9VMrn4ixvyOU1qzqpL6XOXpLVifIZ/RKHWtLX6EvwR3OSt11G6ZvI5IwjWoSPZ7WXtguyfr4b7C3Ka2aBNoN3yc87aRLNshsHtzwWQS3IwZ4SpRkW0pUTmz49qk9ueuJvh7e3+CWo96Zc8A4FaCG5/CeRUnR3ORtAd8ROpIsIgHjS6+JZ/tKqylastdoEMDcOBh1oa020fYbLO30018vgsakUfetPrBxybCLjYpoXX3q4tjKn5VZtuHsiq0jrZ3cuIuOQ/vtBN9S+uvuXw==" rel="nofollow noreferrer">Scene code here</a> <img src="https://i.stack.imgur.com/yRdqo.png" alt="enter image description here"></p> <p><a href="http://oos.moxiecode.com/js_webgl/lego_ssao/" rel="nofollow noreferrer">Scene found here</a> <img src="https://i.stack.imgur.com/ESAQX.jpg" alt="enter image description here"></p> <p>This same code renders perfectly on other machines. I have seen this problem on other MBPs so I'm confident that it's not a single issue.</p> <p>Aside from the firmware update, I've not changed anything on this MBP between it working and the artefacts appearing (the code is the same).</p> <p>If I remove the SSAO effect then the scene renders perfectly.</p> <p>Any ideas?</p>
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