#pragma once

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

typedef struct Xorg_Viewer Xorg_Viewer;

/* Returns false when compiled without HAVE_GLFW. */
bool xorg_available(void);

/*
 * Open a viewer window at screen position (x, y) with the given size.
 * Returns NULL if xorg is unavailable or if window/context creation fails.
 */
Xorg_Viewer *xorg_viewer_open(int x, int y, int width, int height,
                               const char *title);

/* Push a YUV 4:2:0 planar frame for immediate display. */
bool xorg_viewer_push_yuv420(Xorg_Viewer *v,
                              const uint8_t *y, const uint8_t *cb, const uint8_t *cr,
                              int width, int height);

/* Push a packed BGRA frame for immediate display. */
bool xorg_viewer_push_bgra(Xorg_Viewer *v,
                            const uint8_t *data, int width, int height);

/*
 * Push a MJPEG frame.  Decoded via libjpeg-turbo to planar YUV before upload.
 * Returns false if compiled without HAVE_TURBOJPEG.
 */
bool xorg_viewer_push_mjpeg(Xorg_Viewer *v,
                             const uint8_t *data, size_t size);

/*
 * Process pending window events.
 * Returns false when the user has closed the window.
 * Must be called from the thread that created the viewer.
 */
bool xorg_viewer_poll(Xorg_Viewer *v);

void xorg_viewer_close(Xorg_Viewer *v);