From patchwork Tue Sep 2 08:00:14 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 385006 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 335C71401AD for ; Tue, 2 Sep 2014 18:07:46 +1000 (EST) Received: from localhost ([::1]:36450 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XOj7w-0008W9-6F for incoming@patchwork.ozlabs.org; Tue, 02 Sep 2014 04:07:44 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45189) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XOj1M-0005hZ-W2 for qemu-devel@nongnu.org; Tue, 02 Sep 2014 04:01:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XOj1D-0004fc-Nn for qemu-devel@nongnu.org; Tue, 02 Sep 2014 04:00:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:15556) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XOj1D-0004f7-G7 for qemu-devel@nongnu.org; Tue, 02 Sep 2014 04:00:47 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s8280i4R012920 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 2 Sep 2014 04:00:45 -0400 Received: from nilsson.home.kraxel.org (ovpn-116-47.ams2.redhat.com [10.36.116.47]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s8280g80027838; Tue, 2 Sep 2014 04:00:43 -0400 Received: by nilsson.home.kraxel.org (Postfix, from userid 500) id 53328808AF; Tue, 2 Sep 2014 10:00:41 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Tue, 2 Sep 2014 10:00:14 +0200 Message-Id: <1409644827-26317-2-git-send-email-kraxel@redhat.com> In-Reply-To: <1409644827-26317-1-git-send-email-kraxel@redhat.com> References: <1409644827-26317-1-git-send-email-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Gerd Hoffmann , Anthony Liguori Subject: [Qemu-devel] [PATCH 01/14] console: add qemu_pixelformat_from_pixman X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Function to convert pixman format codes to qemu PixelFormat. [ Benjamin Herrenschmidt: fix BGRA+RGBA shifts ] Signed-off-by: Gerd Hoffmann --- include/ui/qemu-pixman.h | 1 + ui/qemu-pixman.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+) diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h index ba970f8..090a3e2 100644 --- a/include/ui/qemu-pixman.h +++ b/include/ui/qemu-pixman.h @@ -33,6 +33,7 @@ /* -------------------------------------------------------------------- */ +PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); int qemu_pixman_get_type(int rshift, int gshift, int bshift); pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c index 254bd8c..bdc1439 100644 --- a/ui/qemu-pixman.c +++ b/ui/qemu-pixman.c @@ -6,6 +6,62 @@ #include "qemu-common.h" #include "ui/console.h" +PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format) +{ + PixelFormat pf; + uint8_t bpp; + + bpp = pf.bits_per_pixel = PIXMAN_FORMAT_BPP(format); + pf.bytes_per_pixel = PIXMAN_FORMAT_BPP(format) / 8; + pf.depth = PIXMAN_FORMAT_DEPTH(format); + + pf.abits = PIXMAN_FORMAT_A(format); + pf.rbits = PIXMAN_FORMAT_R(format); + pf.gbits = PIXMAN_FORMAT_G(format); + pf.bbits = PIXMAN_FORMAT_B(format); + + switch (PIXMAN_FORMAT_TYPE(format)) { + case PIXMAN_TYPE_ARGB: + pf.ashift = pf.bbits + pf.gbits + pf.rbits; + pf.rshift = pf.bbits + pf.gbits; + pf.gshift = pf.bbits; + pf.bshift = 0; + break; + case PIXMAN_TYPE_ABGR: + pf.ashift = pf.rbits + pf.gbits + pf.bbits; + pf.bshift = pf.rbits + pf.gbits; + pf.gshift = pf.rbits; + pf.rshift = 0; + break; + case PIXMAN_TYPE_BGRA: + pf.bshift = bpp - pf.bbits; + pf.gshift = bpp - (pf.bbits + pf.gbits); + pf.rshift = bpp - (pf.bbits + pf.gbits + pf.rbits); + pf.ashift = 0; + break; + case PIXMAN_TYPE_RGBA: + pf.rshift = bpp - pf.rbits; + pf.gshift = bpp - (pf.rbits + pf.gbits); + pf.bshift = bpp - (pf.rbits + pf.gbits + pf.bbits); + pf.ashift = 0; + break; + default: + g_assert_not_reached(); + break; + } + + pf.amax = (1 << pf.abits) - 1; + pf.rmax = (1 << pf.rbits) - 1; + pf.gmax = (1 << pf.gbits) - 1; + pf.bmax = (1 << pf.bbits) - 1; + pf.amask = pf.amax << pf.ashift; + pf.rmask = pf.rmax << pf.rshift; + pf.gmask = pf.gmax << pf.gshift; + pf.bmask = pf.bmax << pf.bshift; + + return pf; +} + int qemu_pixman_get_type(int rshift, int gshift, int bshift) { int type = PIXMAN_TYPE_OTHER;