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/*
* 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_VT_SWITCHER_H
#define MP_VT_SWITCHER_H
#include <stdbool.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "vo.h"
#define DRM_OPTS_FORMAT_XRGB8888 0
#define DRM_OPTS_FORMAT_XRGB2101010 1
#define DRM_OPTS_FORMAT_XBGR8888 2
#define DRM_OPTS_FORMAT_XBGR2101010 3
struct framebuffer {
int fd;
uint32_t width;
uint32_t height;
uint32_t stride;
uint32_t size;
uint32_t handle;
uint8_t *map;
uint32_t id;
};
struct drm_vsync_tuple {
uint64_t ust;
unsigned int msc;
unsigned int sbc;
};
struct drm_mode {
drmModeModeInfo mode;
uint32_t blob_id;
};
struct drm_opts {
char *device_path;
char *connector_spec;
char *mode_spec;
int drm_atomic;
int draw_plane;
int drmprime_video_plane;
int drm_format;
struct m_geometry draw_surface_size;
int vrr_enabled;
};
struct vt_switcher {
int tty_fd;
struct mp_log *log;
void (*handlers[2])(void*);
void *handler_data[2];
};
struct vo_drm_state {
drmModeConnector *connector;
drmModeEncoder *encoder;
drmEventContext ev;
struct drm_atomic_context *atomic_context;
struct drm_mode mode;
struct drm_opts *opts;
struct drm_vsync_tuple vsync;
struct framebuffer *fb;
struct mp_log *log;
struct vo *vo;
struct vt_switcher vt_switcher;
struct vo_vsync_info vsync_info;
bool active;
bool paused;
bool still;
bool vt_switcher_active;
bool waiting_for_flip;
char *card_path;
int card_no;
int fd;
uint32_t crtc_id;
uint32_t height;
uint32_t width;
};
struct drm_pflip_cb_closure {
struct drm_vsync_tuple *frame_vsync; // vsync tuple when the frame that just flipped was queued
struct drm_vsync_tuple *vsync; // vsync tuple of the latest page flip. drm_pflip_cb updates this
struct vo_vsync_info *vsync_info; // where the drm_pflip_cb routine writes its output
bool *waiting_for_flip; // drm_pflip_cb writes false here before returning
struct mp_log *log; // Needed to print error messages that shame bad drivers
};
bool vo_drm_init(struct vo *vo);
int vo_drm_control(struct vo *vo, int *events, int request, void *arg);
double vo_drm_get_display_fps(struct vo_drm_state *drm);
void vo_drm_get_vsync(struct vo *vo, struct vo_vsync_info *info);
void vo_drm_set_monitor_par(struct vo *vo);
void vo_drm_uninit(struct vo *vo);
void vo_drm_wait_events(struct vo *vo, int64_t until_time_us);
void vo_drm_wait_on_flip(struct vo_drm_state *drm);
void vo_drm_wakeup(struct vo *vo);
bool vo_drm_acquire_crtc(struct vo_drm_state *drm);
void vo_drm_release_crtc(struct vo_drm_state *drm);
#endif
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