From e5a949a9550ad2d6c5aca3c8d0997dbfdca086d5 Mon Sep 17 00:00:00 2001
From: Simon Zeni <simon@bl4ckb0ne.ca>
Date: Thu, 15 Jul 2021 09:48:29 -0400
Subject: backend/drm: implement drm lease function

---
 include/backend/drm/drm.h        |  2 ++
 include/backend/drm/properties.h |  1 +
 include/wlr/backend/drm.h        | 14 ++++++++++++++
 include/wlr/types/wlr_output.h   |  3 +++
 4 files changed, 20 insertions(+)

(limited to 'include')

diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h
index b4e95861..6d70d844 100644
--- a/include/backend/drm/drm.h
+++ b/include/backend/drm/drm.h
@@ -37,6 +37,7 @@ struct wlr_drm_plane {
 
 struct wlr_drm_crtc {
 	uint32_t id;
+	uint32_t lessee_id;
 
 	// Atomic modesetting only
 	uint32_t mode_id;
@@ -119,6 +120,7 @@ struct wlr_drm_connector {
 	enum wlr_drm_connector_status status;
 	bool desired_enabled;
 	uint32_t id;
+	uint32_t lessee_id;
 
 	struct wlr_drm_crtc *crtc;
 	uint32_t possible_crtcs;
diff --git a/include/backend/drm/properties.h b/include/backend/drm/properties.h
index bd90871d..99d5a92e 100644
--- a/include/backend/drm/properties.h
+++ b/include/backend/drm/properties.h
@@ -18,6 +18,7 @@ union wlr_drm_connector_props {
 		uint32_t path;
 		uint32_t vrr_capable; // not guaranteed to exist
 		uint32_t subconnector; // not guaranteed to exist
+		uint32_t non_desktop;
 
 		// atomic-modesetting only
 
diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h
index baa03421..c5351d65 100644
--- a/include/wlr/backend/drm.h
+++ b/include/wlr/backend/drm.h
@@ -33,6 +33,20 @@ bool wlr_output_is_drm(struct wlr_output *output);
  */
 uint32_t wlr_drm_connector_get_id(struct wlr_output *output);
 
+/**
+ * Leases a given output to the caller. The output must be from the associated
+ * DRM backend.
+ * Returns a valid opened DRM FD or -1 on error.
+ */
+int wlr_drm_create_lease(struct wlr_output **outputs, size_t n_outputs,
+		uint32_t *lessee_id);
+
+/**
+ * Terminates a given lease. The output will be owned again by the backend
+ */
+bool wlr_drm_backend_terminate_lease(struct wlr_backend *backend,
+	uint32_t lessee_id);
+
 /**
  * Add mode to the list of available modes
  */
diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h
index 8363261d..5ef5a485 100644
--- a/include/wlr/types/wlr_output.h
+++ b/include/wlr/types/wlr_output.h
@@ -141,6 +141,9 @@ struct wlr_output {
 	bool frame_pending;
 	float transform_matrix[9];
 
+	// true for example with VR headsets
+	bool non_desktop;
+
 	struct wlr_output_state pending;
 
 	// Commit sequence number. Incremented on each commit, may overflow.
-- 
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