RetroArch/runloop.h
2015-04-13 01:55:35 +02:00

474 lines
10 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __RETROARCH_RUNLOOP_H
#define __RETROARCH_RUNLOOP_H
#include <queues/message_queue.h>
#include <setjmp.h>
#include "libretro.h"
#include "core_info.h"
#include "core_options.h"
#include "driver.h"
#include "rewind.h"
#include "autosave.h"
#include "movie.h"
#include "cheats.h"
#ifndef AUDIO_BUFFER_FREE_SAMPLES_COUNT
#define AUDIO_BUFFER_FREE_SAMPLES_COUNT (8 * 1024)
#endif
#ifndef MEASURE_FRAME_TIME_SAMPLES_COUNT
#define MEASURE_FRAME_TIME_SAMPLES_COUNT (2 * 1024)
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* All libretro runloop-related globals go here. */
typedef struct runloop
{
/* Lifecycle state checks. */
bool is_paused;
bool is_idle;
bool ui_companion_is_on_foreground;
bool is_menu;
bool is_slowmotion;
struct
{
struct
{
unsigned count;
unsigned max;
struct
{
struct
{
struct
{
bool is_updated;
} label;
struct
{
bool is_active;
} animation;
struct
{
bool dirty;
} framebuf;
struct
{
bool active;
} action;
} menu;
} current;
} video;
struct
{
retro_time_t minimum_time;
retro_time_t last_time;
} limit;
} frames;
struct
{
unsigned buffer_free_samples[AUDIO_BUFFER_FREE_SAMPLES_COUNT];
uint64_t buffer_free_samples_count;
retro_time_t frame_time_samples[MEASURE_FRAME_TIME_SAMPLES_COUNT];
uint64_t frame_time_samples_count;
} measure_data;
msg_queue_t *msg_queue;
} runloop_t;
typedef struct rarch_resolution
{
unsigned idx;
unsigned id;
} rarch_resolution_t;
/* All run-time- / command line flag-related globals go here. */
typedef struct global
{
bool verbosity;
bool perfcnt_enable;
bool force_fullscreen;
bool core_shutdown_initiated;
struct string_list *temporary_content;
core_info_list_t *core_info;
core_info_t *core_info_current;
uint32_t content_crc;
char gb_rom_path[PATH_MAX_LENGTH];
char bsx_rom_path[PATH_MAX_LENGTH];
char sufami_rom_path[2][PATH_MAX_LENGTH];
bool has_set_input_descriptors;
bool has_set_save_path;
bool has_set_state_path;
bool has_set_libretro_device[MAX_USERS];
bool has_set_libretro;
bool has_set_libretro_directory;
bool has_set_verbosity;
bool has_set_netplay_mode;
bool has_set_username;
bool has_set_netplay_ip_address;
bool has_set_netplay_delay_frames;
bool has_set_netplay_ip_port;
bool has_set_ups_pref;
bool has_set_bps_pref;
bool has_set_ips_pref;
bool overrides_active;
/* Config associated with global "default" config. */
char config_path[PATH_MAX_LENGTH];
char append_config_path[PATH_MAX_LENGTH];
char input_config_path[PATH_MAX_LENGTH];
#ifdef HAVE_FILE_LOGGER
char default_log_file[PATH_MAX_LENGTH];
#endif
char basename[PATH_MAX_LENGTH];
char fullpath[PATH_MAX_LENGTH];
/* A list of save types and associated paths for all content. */
struct string_list *savefiles;
/* For --subsystem content. */
char subsystem[PATH_MAX_LENGTH];
struct string_list *subsystem_fullpaths;
char savefile_name[PATH_MAX_LENGTH];
char savestate_name[PATH_MAX_LENGTH];
char cheatfile_name[PATH_MAX_LENGTH];
/* Used on reentrancy to use a savestate dir. */
char savefile_dir[PATH_MAX_LENGTH];
char savestate_dir[PATH_MAX_LENGTH];
#ifdef HAVE_OVERLAY
char overlay_dir[PATH_MAX_LENGTH];
char osk_overlay_dir[PATH_MAX_LENGTH];
#endif
bool block_patch;
bool ups_pref;
bool bps_pref;
bool ips_pref;
char ups_name[PATH_MAX_LENGTH];
char bps_name[PATH_MAX_LENGTH];
char ips_name[PATH_MAX_LENGTH];
struct
{
unsigned windowed_scale;
} pending;
struct
{
struct retro_system_info info;
struct retro_system_av_info av_info;
float aspect_ratio;
unsigned rotation;
bool shutdown;
unsigned performance_level;
enum retro_pixel_format pix_fmt;
bool block_extract;
bool force_nonblock;
bool no_content;
const char *input_desc_btn[MAX_USERS][RARCH_FIRST_META_KEY];
char valid_extensions[PATH_MAX_LENGTH];
retro_keyboard_event_t key_event;
struct retro_audio_callback audio_callback;
struct retro_disk_control_callback disk_control;
struct retro_hw_render_callback hw_render_callback;
struct retro_camera_callback camera_callback;
struct retro_location_callback location_callback;
struct retro_frame_time_callback frame_time;
retro_usec_t frame_time_last;
core_option_manager_t *core_options;
struct retro_subsystem_info *special;
unsigned num_special;
struct retro_controller_info *ports;
unsigned num_ports;
} system;
struct
{
float *data;
size_t data_ptr;
size_t chunk_size;
size_t nonblock_chunk_size;
size_t block_chunk_size;
double src_ratio;
float in_rate;
bool use_float;
float *outsamples;
int16_t *conv_outsamples;
int16_t *rewind_buf;
size_t rewind_ptr;
size_t rewind_size;
rarch_dsp_filter_t *dsp;
bool rate_control;
double orig_src_ratio;
size_t driver_buffer_size;
float volume_gain;
} audio_data;
struct
{
rarch_softfilter_t *filter;
void *buffer;
unsigned scale;
unsigned out_bpp;
bool out_rgb32;
} filter;
#ifdef HAVE_MENU
struct
{
struct retro_system_info info;
bool bind_mode_keyboard;
} menu;
#endif
bool exec;
struct
{
/* Rewind support. */
state_manager_t *state;
size_t size;
bool frame_is_reverse;
} rewind;
struct
{
/* Movie playback/recording support. */
bsv_movie_t *movie;
char movie_path[PATH_MAX_LENGTH];
bool movie_playback;
bool eof_exit;
/* Immediate playback/recording. */
char movie_start_path[PATH_MAX_LENGTH];
bool movie_start_recording;
bool movie_start_playback;
bool movie_end;
} bsv;
bool sram_load_disable;
bool sram_save_disable;
bool use_sram;
/* Turbo support. */
bool turbo_frame_enable[MAX_USERS];
uint16_t turbo_enable[MAX_USERS];
unsigned turbo_count;
/* Autosave support. */
autosave_t **autosave;
unsigned num_autosave;
#ifdef HAVE_NETPLAY
/* Netplay. */
char netplay_server[PATH_MAX_LENGTH];
bool netplay_enable;
bool netplay_is_client;
bool netplay_is_spectate;
unsigned netplay_sync_frames;
unsigned netplay_port;
#endif
/* Recording. */
struct
{
char path[PATH_MAX_LENGTH];
char config[PATH_MAX_LENGTH];
bool enable;
unsigned width;
unsigned height;
uint8_t *gpu_buffer;
size_t gpu_width;
size_t gpu_height;
} record;
struct
{
const void *data;
unsigned width;
unsigned height;
size_t pitch;
} frame_cache;
char title_buf[64];
struct
{
struct string_list *list;
size_t ptr;
} shader_dir;
struct
{
struct string_list *list;
size_t ptr;
} filter_dir;
cheat_manager_t *cheat;
bool block_config_read;
/* Settings and/or global state that is specific to
* a console-style implementation. */
struct
{
struct
{
struct
{
rarch_resolution_t current;
rarch_resolution_t initial;
uint32_t *list;
unsigned count;
bool check;
} resolutions;
struct
{
video_viewport_t custom_vp;
} viewports;
unsigned gamma_correction;
unsigned char flicker_filter_index;
unsigned char soft_filter_index;
bool pal_enable;
bool pal60_enable;
} screen;
struct
{
unsigned mode;
bool system_bgm_enable;
} sound;
bool flickerfilter_enable;
bool softfilter_enable;
} console;
uint64_t lifecycle_state;
/* If this is non-NULL. RARCH_LOG and friends
* will write to this file. */
FILE *log_file;
bool main_is_init;
bool content_is_init;
bool error_in_init;
char error_string[PATH_MAX_LENGTH];
jmp_buf error_sjlj_context;
bool libretro_no_content;
bool libretro_dummy;
/* Config file associated with per-core configs. */
char core_specific_config_path[PATH_MAX_LENGTH];
retro_keyboard_event_t frontend_key_event;
} global_t;
runloop_t *rarch_main_get_ptr(void);
global_t *global_get_ptr(void);
/**
* rarch_main_iterate:
*
* Run Libretro core in RetroArch for one frame.
*
* Returns: 0 on successful run, 1 if we have to wait until button input in order
* to wake up the loop, -1 if we forcibly quit out of the RetroArch iteration loop.
**/
int rarch_main_iterate(void);
void rarch_main_msg_queue_push(const char *msg, unsigned prio,
unsigned duration, bool flush);
const char *rarch_main_msg_queue_pull(void);
void rarch_main_msg_queue_free(void);
void rarch_main_msg_queue_init(void);
void rarch_main_clear_state(void);
bool rarch_main_verbosity(void);
FILE *rarch_main_log_file(void);
bool rarch_main_is_idle(void);
void rarch_main_state_free(void);
void rarch_main_global_free(void);
#ifdef __cplusplus
}
#endif
#endif