From nobody Tue Feb 10 12:57:45 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1507644053309979.8734355373873; Tue, 10 Oct 2017 07:00:53 -0700 (PDT) Received: from localhost ([::1]:35213 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1v5L-0008AP-Fr for importer@patchew.org; Tue, 10 Oct 2017 10:00:39 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37993) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1uzx-00045U-Sb for qemu-devel@nongnu.org; Tue, 10 Oct 2017 09:55:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e1uzr-0007Vl-Qz for qemu-devel@nongnu.org; Tue, 10 Oct 2017 09:55:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38630) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e1uzr-0007UT-Hg for qemu-devel@nongnu.org; Tue, 10 Oct 2017 09:54:59 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2A836C04B936; Tue, 10 Oct 2017 13:54:58 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-239.ams2.redhat.com [10.36.116.239]) by smtp.corp.redhat.com (Postfix) with ESMTP id BFC46779D6; Tue, 10 Oct 2017 13:54:54 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id F22DC16A887; Tue, 10 Oct 2017 15:54:53 +0200 (CEST) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 2A836C04B936 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=kraxel@redhat.com From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Tue, 10 Oct 2017 15:54:48 +0200 Message-Id: <20171010135453.6704-2-kraxel@redhat.com> In-Reply-To: <20171010135453.6704-1-kraxel@redhat.com> References: <20171010135453.6704-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 10 Oct 2017 13:54:58 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 1/6] console: add support for dmabufs X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gvt-dev@lists.freedesktop.org, Gerd Hoffmann , Tina Zhang Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This patch adds support for dma-bufs to the qemu console interfaces. It adds a new "struct QemuDmaBuf" to represent a dmabuf with accociated metatdata (size, format). It adds three functions (and DisplayChangeListenerOps operations) to set a dma-buf as display scanout, as cursor and to release a dmabuf. Signed-off-by: Gerd Hoffmann --- include/qemu/typedefs.h | 1 + include/ui/console.h | 25 +++++++++++++++++++++++++ ui/console.c | 33 +++++++++++++++++++++++++++++++++ 3 files changed, 59 insertions(+) diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h index 980d2b330e..3dbc69b1e9 100644 --- a/include/qemu/typedefs.h +++ b/include/qemu/typedefs.h @@ -83,6 +83,7 @@ typedef struct PropertyInfo PropertyInfo; typedef struct PS2State PS2State; typedef struct QEMUBH QEMUBH; typedef struct QemuConsole QemuConsole; +typedef struct QemuDmaBuf QemuDmaBuf; typedef struct QEMUFile QEMUFile; typedef struct QemuOpt QemuOpt; typedef struct QemuOpts QemuOpts; diff --git a/include/ui/console.h b/include/ui/console.h index 6966e4bd9d..158969f978 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -5,6 +5,7 @@ #include "qom/object.h" #include "qapi/qmp/qdict.h" #include "qemu/notify.h" +#include "qemu/typedefs.h" #include "qapi-types.h" #include "qemu/error-report.h" #include "qapi/error.h" @@ -180,6 +181,15 @@ struct QEMUGLParams { int minor_ver; }; =20 +struct QemuDmaBuf { + int fd; + uint32_t width; + uint32_t height; + uint32_t stride; + uint32_t fourcc; + uint32_t texture; +}; + typedef struct DisplayChangeListenerOps { const char *dpy_name; =20 @@ -220,6 +230,13 @@ typedef struct DisplayChangeListenerOps { uint32_t backing_height, uint32_t x, uint32_t y, uint32_t w, uint32_t h); + void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl, + QemuDmaBuf *dmabuf); + void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl, + QemuDmaBuf *dmabuf, + uint32_t pos_x, uint32_t pos_y); + void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl, + QemuDmaBuf *dmabuf); void (*dpy_gl_update)(DisplayChangeListener *dcl, uint32_t x, uint32_t y, uint32_t w, uint32_t h); =20 @@ -288,6 +305,13 @@ void dpy_gl_scanout_texture(QemuConsole *con, uint32_t backing_id, bool backing_y_0_top, uint32_t backing_width, uint32_t backing_heigh= t, uint32_t x, uint32_t y, uint32_t w, uint32_t h= ); +void dpy_gl_scanout_dmabuf(QemuConsole *con, + QemuDmaBuf *dmabuf); +void dpy_gl_cursor_dmabuf(QemuConsole *con, + QemuDmaBuf *dmabuf, + uint32_t pos_x, uint32_t pos_y); +void dpy_gl_release_dmabuf(QemuConsole *con, + QemuDmaBuf *dmabuf); void dpy_gl_update(QemuConsole *con, uint32_t x, uint32_t y, uint32_t w, uint32_t h); =20 @@ -298,6 +322,7 @@ int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLCon= text ctx); QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con); =20 bool console_has_gl(QemuConsole *con); +bool console_has_gl_dmabuf(QemuConsole *con); =20 static inline int surface_stride(DisplaySurface *s) { diff --git a/ui/console.c b/ui/console.c index b82c27960a..eca854cbd5 100644 --- a/ui/console.c +++ b/ui/console.c @@ -1404,6 +1404,11 @@ bool console_has_gl(QemuConsole *con) return con->gl !=3D NULL; } =20 +bool console_has_gl_dmabuf(QemuConsole *con) +{ + return con->gl !=3D NULL && con->gl->ops->dpy_gl_scanout_dmabuf !=3D N= ULL; +} + void register_displaychangelistener(DisplayChangeListener *dcl) { static const char nodev[] =3D @@ -1745,6 +1750,34 @@ void dpy_gl_scanout_texture(QemuConsole *con, x, y, width, height); } =20 +void dpy_gl_scanout_dmabuf(QemuConsole *con, + QemuDmaBuf *dmabuf) +{ + assert(con->gl); + con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf); +} + +void dpy_gl_cursor_dmabuf(QemuConsole *con, + QemuDmaBuf *dmabuf, + uint32_t pos_x, uint32_t pos_y) +{ + assert(con->gl); + + if (con->gl->ops->dpy_gl_cursor_dmabuf) { + con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf, pos_x, pos_y); + } +} + +void dpy_gl_release_dmabuf(QemuConsole *con, + QemuDmaBuf *dmabuf) +{ + assert(con->gl); + + if (con->gl->ops->dpy_gl_release_dmabuf) { + con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf); + } +} + void dpy_gl_update(QemuConsole *con, uint32_t x, uint32_t y, uint32_t w, uint32_t h) { --=20 2.9.3