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backend/session: operate on wlr_device

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Instead of operating on FDs in {open,close}_device, operate on
wlr_devices. This avoids the device lookup in wlr_session and allows
callers to have access to wlr_device fields.

For now, we use it to remove wlr_session_signal_add and replace it with
a more idiomatic wlr_session.events.change field. In the future, other
events will be added.
This commit is contained in:
Simon Ser 2020-11-06 10:16:07 +01:00
parent 63df2bcbe6
commit 44a4792fd8
7 changed files with 69 additions and 68 deletions
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4
backend/backend.c
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@ -151,7 +151,7 @@ static struct wlr_backend *attempt_noop_backend(struct wl_display *display) {
static struct wlr_backend *attempt_drm_backend(struct wl_display *display,
struct wlr_backend *backend, struct wlr_session *session,
wlr_renderer_create_func_t create_renderer_func) {
int gpus[8];
struct wlr_device *gpus[8];
size_t num_gpus = wlr_session_find_gpus(session, 8, gpus);
struct wlr_backend *primary_drm = NULL;
wlr_log(WLR_INFO, "Found %zu GPUs", num_gpus);
@ -160,7 +160,7 @@ static struct wlr_backend *attempt_drm_backend(struct wl_display *display,
struct wlr_backend *drm = wlr_drm_backend_create(display, session,
gpus[i], primary_drm, create_renderer_func);
if (!drm) {
wlr_log(WLR_ERROR, "Failed to open DRM device %d", gpus[i]);
wlr_log(WLR_ERROR, "Failed to create DRM backend");
continue;
}