1 files changed, 100 insertions, 0 deletions
diff --git a/video/out/drm_atomic.h b/video/out/drm_atomic.h
new file mode 100644
index 0000000..499aa33
--- /dev/null
+++ b/video/out/drm_atomic.h
@@ -0,0 +1,100 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MP_DRMATOMIC_H
+#define MP_DRMATOMIC_H
+
+#include <stdlib.h>
+#include <stdbool.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "common/msg.h"
+#include "drm_common.h"
+
+#define DRM_OPTS_PRIMARY_PLANE -1
+#define DRM_OPTS_OVERLAY_PLANE -2
+
+struct drm_atomic_plane_state {
+    uint64_t fb_id;
+    uint64_t crtc_id;
+    uint64_t src_x;
+    uint64_t src_y;
+    uint64_t src_w;
+    uint64_t src_h;
+    uint64_t crtc_x;
+    uint64_t crtc_y;
+    uint64_t crtc_w;
+    uint64_t crtc_h;
+    uint64_t zpos;
+};
+
+// Used to store the restore state for VT switching and uninit
+struct drm_atomic_state {
+    bool saved;
+    struct {
+        uint64_t crtc_id;
+    } connector;
+    struct {
+        struct drm_mode mode;
+        uint64_t active;
+        uint64_t vrr_enabled;
+    } crtc;
+    struct drm_atomic_plane_state draw_plane;
+    struct drm_atomic_plane_state drmprime_video_plane;
+};
+
+struct drm_object {
+    int fd;
+    uint32_t id;
+    uint32_t type;
+    drmModeObjectProperties *props;
+    drmModePropertyRes **props_info;
+};
+
+struct drm_atomic_context {
+    int fd;
+
+    struct drm_object *crtc;
+    struct drm_object *connector;
+    struct drm_object *draw_plane;
+    struct drm_object *drmprime_video_plane;
+
+    drmModeAtomicReq *request;
+
+    struct drm_atomic_state old_state;
+};
+
+int drm_object_create_properties(struct mp_log *log, int fd, struct drm_object *object);
+void drm_object_free_properties(struct drm_object *object);
+int drm_object_get_property(struct drm_object *object, char *name, uint64_t *value);
+int drm_object_set_property(drmModeAtomicReq *request, struct drm_object *object, char *name, uint64_t value);
+drmModePropertyBlobPtr drm_object_get_property_blob(struct drm_object *object, char *name);
+struct drm_object *drm_object_create(struct mp_log *log, int fd, uint32_t object_id, uint32_t type);
+void drm_object_free(struct drm_object *object);
+void drm_object_print_info(struct mp_log *log, struct drm_object *object);
+struct drm_atomic_context *drm_atomic_create_context(struct mp_log *log, int fd, int crtc_id, int connector_id,
+                                                     int draw_plane_idx, int drmprime_video_plane_idx);
+void drm_atomic_destroy_context(struct drm_atomic_context *ctx);
+
+bool drm_atomic_save_old_state(struct drm_atomic_context *ctx);
+bool drm_atomic_restore_old_state(drmModeAtomicReq *request, struct drm_atomic_context *ctx);
+
+bool drm_mode_ensure_blob(int fd, struct drm_mode *mode);
+bool drm_mode_destroy_blob(int fd, struct drm_mode *mode);
+
+#endif // MP_DRMATOMIC_H