From 9d43e7e4d67d4076c8b20ee2715eadec86a83e73 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Thu, 18 Aug 2022 19:17:33 +0200
Subject: backend/drm: add libliftoff interface

---
 include/backend/drm/drm.h   | 6 ++++++
 include/backend/drm/iface.h | 9 +++++++++
 2 files changed, 15 insertions(+)

(limited to 'include/backend/drm')

diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h
index 0c07811b..f2cd9c50 100644
--- a/include/backend/drm/drm.h
+++ b/include/backend/drm/drm.h
@@ -30,11 +30,16 @@ struct wlr_drm_plane {
 	struct wlr_drm_format_set formats;
 
 	union wlr_drm_plane_props props;
+
+	uint32_t initial_crtc_id;
+	struct liftoff_plane *liftoff;
+	struct liftoff_layer *liftoff_layer;
 };
 
 struct wlr_drm_crtc {
 	uint32_t id;
 	struct wlr_drm_lease *lease;
+	struct liftoff_output *liftoff;
 
 	// Atomic modesetting only
 	uint32_t mode_id;
@@ -60,6 +65,7 @@ struct wlr_drm_backend {
 	int fd;
 	char *name;
 	struct wlr_device *dev;
+	struct liftoff_device *liftoff;
 
 	size_t num_crtcs;
 	struct wlr_drm_crtc *crtcs;
diff --git a/include/backend/drm/iface.h b/include/backend/drm/iface.h
index d52bbd3d..c4bd62e4 100644
--- a/include/backend/drm/iface.h
+++ b/include/backend/drm/iface.h
@@ -13,6 +13,8 @@ struct wlr_drm_connector_state;
 
 // Used to provide atomic or legacy DRM functions
 struct wlr_drm_interface {
+	bool (*init)(struct wlr_drm_backend *drm);
+	void (*finish)(struct wlr_drm_backend *drm);
 	// Commit all pending changes on a CRTC.
 	bool (*crtc_commit)(struct wlr_drm_connector *conn,
 		const struct wlr_drm_connector_state *state, uint32_t flags,
@@ -21,8 +23,15 @@ struct wlr_drm_interface {
 
 extern const struct wlr_drm_interface atomic_iface;
 extern const struct wlr_drm_interface legacy_iface;
+extern const struct wlr_drm_interface liftoff_iface;
 
 bool drm_legacy_crtc_set_gamma(struct wlr_drm_backend *drm,
 	struct wlr_drm_crtc *crtc, size_t size, uint16_t *lut);
 
+bool create_mode_blob(struct wlr_drm_backend *drm,
+	struct wlr_drm_connector *conn,
+	const struct wlr_drm_connector_state *state, uint32_t *blob_id);
+bool create_gamma_lut_blob(struct wlr_drm_backend *drm,
+	size_t size, const uint16_t *lut, uint32_t *blob_id);
+
 #endif
-- 
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