From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jack Hill Newsgroups: gmane.lisp.guile.user Subject: Re: [EXT] Use Chickadee to render animation to file? Date: Fri, 27 May 2022 17:02:12 -0400 (EDT) Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2911"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Alpine 2.21 (DEB 202 2017-01-01) Cc: Guile User To: "Thompson, David" Original-X-From: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Fri May 27 23:02:30 2022 Return-path: Envelope-to: guile-user@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nuh6M-0000bW-Jq for guile-user@m.gmane-mx.org; Fri, 27 May 2022 23:02:30 +0200 Original-Received: from localhost ([::1]:60106 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nuh6L-0003Cx-5p for guile-user@m.gmane-mx.org; Fri, 27 May 2022 17:02:29 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46394) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nuh67-00035p-99 for guile-user@gnu.org; Fri, 27 May 2022 17:02:15 -0400 Original-Received: from minsky.hcoop.net ([104.248.1.95]:40772) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nuh65-0005MU-NY for guile-user@gnu.org; Fri, 27 May 2022 17:02:15 -0400 Original-Received: from marsh.hcoop.net ([45.55.52.66]) by minsky.hcoop.net with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nuh64-0000Ur-AE; Fri, 27 May 2022 17:02:12 -0400 X-X-Sender: jackhill@marsh.hcoop.net In-Reply-To: Received-SPF: pass client-ip=104.248.1.95; envelope-from=jackhill@jackhill.us; helo=minsky.hcoop.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Original-Sender: "guile-user" Xref: news.gmane.io gmane.lisp.guile.user:18280 Archived-At: On Fri, 27 May 2022, Thompson, David wrote: > Hi Jack, > > This is an interesting use case! It's certainly possible, but would require some work. It would probably look something like > this: Render the scene to a framebuffer texture, copy the pixel data from the GPU, and pipe it to a video encoder. Chickadee's > texture API doesn't yet provide any procedures that allow you to access the raw pixel data, so that would need to be added > first. It would be a little clunky because you'd have to wait for the animation to finish in real time since it's not a real > animation tool but it would work. Feel free to give it a shot and let us know how it goes! > > - Dave Dave, Thanks for the positive response and, of course for Chickadee (and Haunt, etc.)! I might give it a go, but no promises as it could very well be too much for me to bite off at this time. Best, Jack