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render: replace wlr_renderer_get_drm_fd() with drm_dev_id

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wlr_renderer_get_drm_fd() forces the renderer to open the DRM node
and keep the FD around for no good reason. Instead, use dev_t to
refer to a DRM device.

This also removes footguns related to FD ownership.
This commit is contained in:
Simon Ser 2023-10-04 12:40:34 +02:00
parent ebef710746
commit 986a2d9f66
13 changed files with 91 additions and 146 deletions
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5
include/render/egl.h
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@ -88,7 +88,10 @@ const struct wlr_drm_format_set *wlr_egl_get_dmabuf_render_formats(
*/
bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImageKHR image);
int wlr_egl_dup_drm_fd(struct wlr_egl *egl);
/**
* Get the DRM device ID used by EGL.
*/
bool wlr_egl_get_drm_dev_id(struct wlr_egl *egl, dev_t *devid);
/**
* Restore EGL context that was previously saved using wlr_egl_save_current().