mpv/video/out/drm_common.h

100 lines
3.1 KiB
C

/*
* 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 "options/m_option.h"
#include "drm_atomic.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 kms {
struct mp_log *log;
char *primary_node_path;
int fd;
drmModeConnector *connector;
drmModeEncoder *encoder;
struct drm_mode mode;
uint32_t crtc_id;
int card_no;
struct drm_atomic_context *atomic_context;
};
struct vt_switcher {
int tty_fd;
struct mp_log *log;
void (*handlers[2])(void*);
void *handler_data[2];
};
struct drm_opts {
char *drm_device_path;
char *drm_connector_spec;
char *drm_mode_spec;
int drm_atomic;
int drm_draw_plane;
int drm_drmprime_video_plane;
int drm_format;
struct m_geometry drm_draw_surface_size;
};
struct drm_vsync_tuple {
uint64_t ust;
unsigned int msc;
unsigned int sbc;
};
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 vt_switcher_init(struct vt_switcher *s, struct mp_log *log);
void vt_switcher_destroy(struct vt_switcher *s);
void vt_switcher_poll(struct vt_switcher *s, int timeout_ms);
void vt_switcher_interrupt_poll(struct vt_switcher *s);
void vt_switcher_acquire(struct vt_switcher *s, void (*handler)(void*),
void *user_data);
void vt_switcher_release(struct vt_switcher *s, void (*handler)(void*),
void *user_data);
struct kms *kms_create(struct mp_log *log,
const char *drm_device_path,
const char *connector_spec,
const char *mode_spec,
int draw_plane, int drmprime_video_plane,
bool use_atomic);
void kms_destroy(struct kms *kms);
double kms_get_display_fps(const struct kms *kms);
// DRM Page Flip callback
void drm_pflip_cb(int fd, unsigned int msc, unsigned int sec,
unsigned int usec, void *data);
#endif