1 files changed, 54 insertions, 0 deletions
diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h
new file mode 100644
index 00000000..8744b440
--- /dev/null
+++ b/include/backend/drm/drm.h
@@ -0,0 +1,54 @@
+#ifndef DRM_H
+#define DRM_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <xf86drmMode.h>
+#include <EGL/egl.h>
+#include <gbm.h>
+
+enum otd_display_state {
+	OTD_DISP_INVALID,
+	OTD_DISP_DISCONNECTED,
+	OTD_DISP_NEEDS_MODESET,
+	OTD_DISP_CONNECTED,
+};
+
+struct otd_display {
+	struct otd *otd;
+
+	enum otd_display_state state;
+	uint32_t connector;
+	char name[16];
+
+	size_t num_modes;
+	drmModeModeInfo *modes;
+	drmModeModeInfo *active_mode;
+
+	uint32_t width;
+	uint32_t height;
+
+	uint32_t crtc;
+	drmModeCrtc *old_crtc;
+
+	struct gbm_surface *gbm;
+	EGLSurface *egl;
+	uint32_t fb_id;
+
+	bool pageflip_pending;
+	bool cleanup;
+};
+
+bool init_renderer(struct otd *otd);
+void destroy_renderer(struct otd *otd);
+
+void scan_connectors(struct otd *otd);
+bool modeset_str(struct otd *otd, struct otd_display *disp, const char *str);
+void destroy_display_renderer(struct otd *otd, struct otd_display *disp);
+
+void get_drm_event(struct otd *otd);
+
+void rendering_begin(struct otd_display *disp);
+void rendering_end(struct otd_display *disp);
+
+#endif