From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate001.proxmox.com (gate001.proxmox.com [45.144.208.40]) by lore.proxmox.com (Postfix) with ESMTPS id 0E6621FF09B for ; Mon, 31 Aug 2026 11:46:22 +0200 (CEST) Received: from gate001.proxmox.com (localhost.localdomain [127.0.0.1]) by gate001.proxmox.com (Proxmox) with ESMTP id 54EFF20985; Mon, 31 Aug 2026 11:46:21 +0200 (CEST) From: Markus Frank To: pve-devel@lists.proxmox.com Subject: [PATCH docs v4 3/3] VirGL: add info about feature sets with OpenGL4.6 and vulkan Date: Mon, 31 Aug 2026 11:38:11 +0200 Message-ID: <20260831094605.114396-4-m.frank@proxmox.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260831094605.114396-1-m.frank@proxmox.com> References: <20260831094605.114396-1-m.frank@proxmox.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Bm-Milter-Handled: 55990f41-d878-4baa-be0a-ee34c49e34d2 X-Bm-Transport-Timestamp: 1788169564833 X-SPAM-LEVEL: Spam detection results: 0 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: OH3BXTBCTNYCTAPUWDFL6U5UEGUCBN5X X-Message-ID-Hash: OH3BXTBCTNYCTAPUWDFL6U5UEGUCBN5X X-MailFrom: m.frank@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: 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 +|=== + +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`. -- 2.47.3