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struct fbformat {
const char name[8];
const char fields[16];
const char bits[16];
uint32_t bpp; /* bytes per pixel */
uint32_t depth; /* legacy (ADDFB) */
uint32_t fourcc; /* DRM_FORMAT_* (ADDFB2) */
cairo_format_t cairo; /* CAIRO_FORMAT_* */
pixman_format_code_t pixman; /* PIXMAN_* */
uint32_t virtio; /* VIRTIO_GPU_FORMAT_* */
};
extern const struct fbformat fmts[];
extern const uint32_t fmtcnt;
/* ------------------------------------------------------------------ */
const char *drm_connector_type_name(int nr);
const char *drm_connector_mode_name(int nr);
const char *drm_encoder_type_name(int nr);
void drm_conn_name(drmModeConnector *conn, char *dest, int dlen);
bool drm_probe_format(int fd, const struct fbformat *fmt);
void drm_print_format(FILE *fp, const struct fbformat *fmt,
int indent, bool libs);
void drm_print_format_hdr(FILE *fp, int indent, bool libs);
/* ------------------------------------------------------------------ */
extern int fd;
extern uint32_t fb_id;
extern drmModeConnector *conn;
extern drmModeModeInfo *mode;
extern drmVersion *version;
void drm_init_dev(int devnr, const char *output,
const char *modename, bool need_dumb);
void drm_fini_dev(void);
void drm_show_fb(void);
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