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authorSimon Ser <contact@emersion.fr>2021-12-17 15:42:57 +0100
committerSimon Ser <contact@emersion.fr>2022-05-24 20:45:55 +0000
commite59f4d4ffa9ac2c7add84278b716b7e1c7ac74f3 (patch)
tree7533526cb51148a5d1d8a47db3bf29ff034ad44f /examples/egl_common.c
parentad06c12c89791dad0c3858a75102277127158063 (diff)
backend/drm: allow non-linear modifiers for multi-GPU
Prior to [1], if an entry in a DRM format set was different than a single LINEAR modifier, implicit modifiers were always allowed. This has changed and now implicit modifiers are only allowed if INVALID is in the list of modifiers. So now we can safely enable explicit modifiers for cross-GPU imports, without risking receiving buffers with an implicit modifier. This should improve perf a bit on setups where two GPUs from the same vendor are used. This fixes the first bullet point from [2]. [1]: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/3231 [2]: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3331
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