Return-Path: Delivered-To: apmail-harmony-dev-archive@www.apache.org Received: (qmail 75357 invoked from network); 1 Dec 2006 12:05:37 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 1 Dec 2006 12:05:37 -0000 Received: (qmail 78091 invoked by uid 500); 1 Dec 2006 12:05:43 -0000 Delivered-To: apmail-harmony-dev-archive@harmony.apache.org Received: (qmail 78059 invoked by uid 500); 1 Dec 2006 12:05:43 -0000 Mailing-List: contact dev-help@harmony.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@harmony.apache.org Delivered-To: mailing list dev@harmony.apache.org Received: (qmail 78050 invoked by uid 99); 1 Dec 2006 12:05:43 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 01 Dec 2006 04:05:43 -0800 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (herse.apache.org: domain of t.p.ellison@gmail.com designates 64.233.182.189 as permitted sender) Received: from [64.233.182.189] (HELO nf-out-0910.google.com) (64.233.182.189) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 01 Dec 2006 04:05:31 -0800 Received: by nf-out-0910.google.com with SMTP id a4so3635339nfc for ; Fri, 01 Dec 2006 04:05:10 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:user-agent:mime-version:to:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding; b=NZwHKMORzsdllmwBBZzO+md6+ZxORYAE39l0e9T+1yuikGcRifIIeWoydSW2OXBIGImOSHe6NO/iKZTkjmY3O6bcQhwUKwzCjrEjf+c/gmWhg9zPoz9sHOaKgt6zCa2b/kPboaj66wvtpf5oFc9lyOQRQTVFyMU3H8Bahj4diZ0= Received: by 10.49.8.1 with SMTP id l1mr9141542nfi.1164974709983; Fri, 01 Dec 2006 04:05:09 -0800 (PST) Received: from ?9.20.183.172? ( [195.212.29.83]) by mx.google.com with ESMTP id x27sm15374888nfb.2006.12.01.04.05.08; Fri, 01 Dec 2006 04:05:09 -0800 (PST) Message-ID: <45701A70.5030303@gmail.com> Date: Fri, 01 Dec 2006 12:05:04 +0000 From: Tim Ellison User-Agent: Thunderbird 1.5.0.8 (Windows/20061025) MIME-Version: 1.0 To: dev@harmony.apache.org Subject: Re: [classlib][awt] OpenGL pipeline for java2d. References: <26c14c2a0611300450p805cc2fy2655627da5db969d@mail.gmail.com> In-Reply-To: <26c14c2a0611300450p805cc2fy2655627da5db969d@mail.gmail.com> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org cool -- good stuff Oleg. Oleg Khaschansky wrote: > Hi all, > > I submitted the missing parts of OpenGL java2d pipeline to [1]. It > demonstrates faster alpha blending on linux. It is a reasonable > alternative to the xlib-based codepath and there's a good perspective > of hardware acceleration usage and performance tuning for it. A part > of the code, which uses OpenGL is shared between linux and windows. > The code that is based on GLX/WGL is a platform-specific code. > > There are several unresolved issues in it: it still lacks font > rendering, on windows RGB color components are swapped in the blitter, > performance could be improved in some areas, memory usage could be > improved. > > To enable OpenGL codepath run java with -Djava2d.opengl=true > > [1] http://issues.apache.org/jira/browse/HARMONY-2374 > > Thanks, > Oleg > -- Tim Ellison (t.p.ellison@gmail.com) IBM Java technology centre, UK.