From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate001.proxmox.com (gate001.proxmox.com [IPv6:2a0f:8001:1:32::40]) by lore.proxmox.com (Postfix) with ESMTPS id 1FADB1FF0AE for ; Tue, 01 Sep 2026 13:39:22 +0200 (CEST) Received: from gate001.proxmox.com (localhost.localdomain [127.0.0.1]) by gate001.proxmox.com (Proxmox) with ESMTP id 4A05121541; Tue, 01 Sep 2026 13:39:21 +0200 (CEST) Message-ID: <667c77bf-9284-4f2c-8887-033fb607d0e4@proxmox.com> Date: Tue, 1 Sep 2026 13:39:17 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Subject: Re: [PATCH docs v4 3/3] VirGL: add info about feature sets with OpenGL4.6 and vulkan To: Markus Frank , pve-devel@lists.proxmox.com References: <20260831094605.114396-1-m.frank@proxmox.com> <20260831094605.114396-4-m.frank@proxmox.com> Content-Language: en-US From: Dominik Csapak In-Reply-To: <20260831094605.114396-4-m.frank@proxmox.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Bm-Milter-Handled: 55990f41-d878-4baa-be0a-ee34c49e34d2 X-Bm-Transport-Timestamp: 1788262755638 X-SPAM-LEVEL: Spam detection results: 0 AWL 0.582 Adjusted score from AWL reputation of From: address DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment (newer systems) RCVD_IN_DNSWL_MED -2.3 Sender listed at https://www.dnswl.org/, medium trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Message-ID-Hash: TKKKTL6FWA75XVIFVDQGZXLI23VYHRP5 X-Message-ID-Hash: TKKKTL6FWA75XVIFVDQGZXLI23VYHRP5 X-MailFrom: d.csapak@proxmox.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: Proxmox VE development discussion List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: one comment inline Otherwise consider this Reviewed-by: Dominik Csapak On 8/31/26 11:46 AM, Markus Frank wrote: > Signed-off-by: Markus Frank > --- > new to v4 > > qm.adoc | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/qm.adoc b/qm.adoc > index 18a4fbe..12c1752 100644 > --- a/qm.adoc > +++ b/qm.adoc > @@ -1047,6 +1047,9 @@ default due to being relatively big and also not available as open source for > all GPU models/vendors. For most setups you'll just need to do: > `apt install libgl1 libegl1` > > +To use Vulkan (Venus) you also need to install the virgl-server: > +`apt install virgl-server` > + > You can edit the amount of memory given to the virtual GPU, by setting > the 'memory' option. This can enable higher resolutions inside the VM, > especially with SPICE/QXL. > @@ -1066,6 +1069,20 @@ Selecting `serialX` as display 'type' disables the VGA output, and redirects > the Web Console to the selected serial port. A configured display 'memory' > setting will be ignored in that case. > > +.VirGL Feature Sets > + > +|=== > +|Feature Set |Description > +|`opengl4.3 (Default)` |The default VirGL implementation; does not require a host memory window for blob resources > +|`opengl4.6` |Adds support for OpenGL 4.6 by adding a host memory window (Default = 2048MiB) for blob resources > +|`opengl4.6+vulkan` |Adds for OpenGL 4.6 and Vulkan by adding a host memory window for blob resources and enabling venus here the word 'support' is missing between 'adds' and 'for' > +|=== > + > +The VirGL host memory window and blob resources allow a guest VM to > +directly map and write to host GPU VRAM or system memory without copying > +overhead, enabling the zero-copy buffer sharing and persistent memory > +mapping required for Vulkan and OpenGL 4.6. > + > .VNC clipboard > You can enable the VNC clipboard by setting `clipboard` to `vnc`. >