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docs: mention vulkan-swrast for WLR_RENDERER_FORCE_SOFTWARE

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Add note about vulkan-swrast package requirement for Vulkan software
rendering when using WLR_RENDERER_FORCE_SOFTWARE environment variable.
This commit is contained in:
YaoBing Xiao 2025-07-02 23:35:51 +08:00
parent 12316417b0
commit 07fe880a6e
1 changed files with 2 additions and 1 deletions
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docs/env_vars.md
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@ -15,7 +15,8 @@ wlroots reads these environment variables
* *WLR_RENDER_NO_EXPLICIT_SYNC*: set to 1 to disable explicit synchronization
support in renderers.
* *WLR_RENDERER_FORCE_SOFTWARE*: set to 1 to force software rendering for GLES2
and Vulkan
and Vulkan. for Vulkan software rendering, it is recommended to install the
vulkan-swrast package.
* *WLR_EGL_NO_MODIFIERS*: set to 1 to disable format modifiers in EGL, this can
be used to understand and work around driver bugs.