Date: Sun, 30 Mar 2014 07:04:44 +0000 From: Alexey Dokuchaev <danfe@FreeBSD.org> To: Aleksandr Rybalko <ray@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Nathan Whitehorn <nwhitehorn@freebsd.org> Subject: Re: svn commit: r263885 - in head/sys/dev/vt: . hw/vga Message-ID: <20140330070444.GA30090@FreeBSD.org> In-Reply-To: <20140330003523.791b9ed3.ray@freebsd.org> References: <201403282204.s2SM4SeN001155@svn.freebsd.org> <5336F23B.9080402@freebsd.org> <20140330003523.791b9ed3.ray@freebsd.org>
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On Sun, Mar 30, 2014 at 12:35:23AM +0200, Aleksandr Rybalko wrote: > vt(4) have to use bitblt like method which is able to do masked write, > since mouse cursor have to left visible characters under itself. > But masked bitblt quite expensive due to read from framebuffer to apply > mask or due to VGA graphics mode problem (described here [1], lot of > small read and writes which can't be well optimized). > > Characters can be drown with simple (not masked) method, so vd_bitbltchr > used most frequently. > Mouse cursor only one (at least vt(4) can care about one :) ). And > currently mouse support only single consumer for masked method. I've always wondered why FreeBSD *ever* had this ugly "look-we-can-make-it- like-in-wind0ze" mouse pointer on the console. I've been always building kernel with SC_ALT_MOUSE_IMAGE; I'm really hoping (if this nonsense has to stay) there will be an option to completely disable it and all related code paths when vt(4) eventually replaces syscons(4). ./danfe
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