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authorSimon Ser <contact@emersion.fr>2021-11-27 18:33:04 +0100
committerSimon Zeni <simon@bl4ckb0ne.ca>2021-12-02 14:21:51 +0000
commit1bf9676e8781c281265267d71ad7c911516be023 (patch)
tree71fb4500270d7ad0d180fd59827f01aba7f86986 /docs
parentde0bc7831954a5e4baa367b01bb02b755b53e5d0 (diff)
render/egl: improve modifier support detection
Support for EXT_image_dma_buf_import_modifiers doesn't necessarily indicate support for modifiers. For instance, Mesa will advertise EXT_image_dma_buf_import_modifiers for all drivers. This is a trick to allow EGL clients to enumerate supported formats (something EXT_image_dma_buf_import is missing). For more information, see [1]. Add a new wlr_egl.has_modifiers flag which indicates whether modifiers are supported. It's set to true if any eglQueryDmaBufModifiersEXT query returned a non-empty list. Use that flag to figure out whether the buffer modifier should be passed to the EGL implementation on import. [1]: https://github.com/KhronosGroup/EGL-Registry/issues/142
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