From owner-svn-src-head@freebsd.org Mon May 1 20:55:43 2017 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B6504D596B9; Mon, 1 May 2017 20:55:43 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: from mail-it0-x230.google.com (mail-it0-x230.google.com [IPv6:2607:f8b0:4001:c0b::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7F0C0BD3; Mon, 1 May 2017 20:55:43 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: by mail-it0-x230.google.com with SMTP id e65so2334133ita.1; Mon, 01 May 2017 13:55:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=WE9Ti6DJDhdMmEYkeyu+L4JQqzyy0/TfKE4Ll05r3Qo=; b=E+MfO3WA5F4re6KIvoQabmb680ADG2YHbYFEV3kEtCy9ruRHE3xgh3k0PtyJ6EbE6m VfrEkbxs5qaSB/Hqn40TjJqUScqbCfJ91noWda4rbaZMih4F4EPHfpUNkqtgmiRXBydk QrsvYITmEixZZIOW5llvq99JIufqJVudbG3qNgBRPOpro3owSHi3/DbUjf1gXgAuCLIx aGjCW/MjXFVviiSD88XCAJXM6AiT4ozHNh/EJayOT+oYx8jTHO+Wo7hj/ykAHnsdwooX PHPYqJFfeFYpb2HDkXxZT/nT5c+Iamvtxddmu80bsRM3PRLAS5DbfM2PE773cO5D5XGN Vx6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=WE9Ti6DJDhdMmEYkeyu+L4JQqzyy0/TfKE4Ll05r3Qo=; b=EcmLvGIBqdIhae78gx2ra2gdaNhaSChIBIQReEN+kdQA3Oc3deVCuYiqLzGdsAAGUj PIAZ9GuGiIMVHWvxI22rr6alkcBsg01xJ+CQDbwraxzReoOhqMwgN/sbMqKrPJu2qtIX gZ4LYkJ3JTpVkIeYTUnUdtPvU+pSo5alAYopoby+JbusveOPVa39q0N9uD9wp+0Rr4ey YYbzbB6TNZuTawAcat1lILQJJ/pc/1AcAFk5cJmJ5saTjm7IUcyqwZ9hhZY8HYMZPXH9 f5seBjWd4AlfxIuWOEsrGyOdh0jdoE8gx+GyxKQInhJp1M/g6kQogK9Cm3HY08pWplUu JmRA== X-Gm-Message-State: AN3rC/51CGvGWzumQsPtfZrEYwSIJl3sBOCpLGafM4LBPfScu8L7IOuJ q1ZflUBFD0NG7NGzpp0NI9zVCrSdrBhF0p8= X-Received: by 10.36.190.205 with SMTP id i196mr540338itf.88.1493672142551; Mon, 01 May 2017 13:55:42 -0700 (PDT) MIME-Version: 1.0 Sender: carpeddiem@gmail.com Received: by 10.107.30.136 with HTTP; Mon, 1 May 2017 13:55:22 -0700 (PDT) In-Reply-To: References: <201704192221.v3JMLFPs032866@repo.freebsd.org> From: Ed Maste Date: Mon, 1 May 2017 16:55:22 -0400 X-Google-Sender-Auth: TXSW0pwnBWZEcF6DAkPAcp3MuOo Message-ID: Subject: Re: svn commit: r317171 - head/sys/dev/vt To: Jung-uk Kim Cc: "src-committers@freebsd.org" , "svn-src-all@freebsd.org" , "svn-src-head@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 May 2017 20:55:43 -0000 On 20 April 2017 at 14:06, Jung-uk Kim wrote: > > Maybe but I haven't seen much improvement in the area for many years. > Do you have any reason to believe someone is working on it? > > Even if we have such backend, I don't expect much difference in drawing > small area, i.e., redrawing narrow borders. On top of that, I don't > like "if (vd->vd_driver->vd_drawrect == NULL) return (ENOTSUP)" stuff. I don't believe anyone is working on it at the moment, but I expect that effort will go into improved VGA / VESA support at some point and that might implement an improved drawrect. I agree that there's unlikely to be a noticeable difference in the case of occasional operations filling a small region (e.g., border clearing after vt switch). However, the vd_drawrect == NULL case is really no different than vd_setpixel == NULL. All vt drivers except ofwfb provide both, and ofwfb provides neither.