libretro/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch.git synced 2024-12-14 04:41:34 +00:00
Code Issues Actions 23 Packages Projects Releases Wiki Activity
df1c6344be
RetroArch/runloop.c

1267 lines
38 KiB
C
Raw Blame History

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
* Copyright (C) 2014-2015 - Jay McCarthy
*
* 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/>.
*/
#include <stdarg.h>
#include <math.h>
#include <file/file_path.h>
#include <retro_inline.h>
#include <retro_assert.h>
#include <queues/message_queue.h>
#ifdef HAVE_THREADS
#include <rthreads/rthreads.h>
#endif
#include <compat/strl.h>
#ifdef HAVE_CHEEVOS
#include "cheevos.h"
#endif
#include "autosave.h"
#include "cheats.h"
#include "configuration.h"
#include "performance.h"
#include "movie.h"
#include "retroarch.h"
#include "runloop.h"
#include "rewind.h"
#include "dir_list_special.h"
#include "audio/audio_driver.h"
#include "msg_hash.h"
#include "tasks/tasks.h"
#include "input/input_keyboard.h"
#include "input/input_driver.h"
#include "ui/ui_companion_driver.h"
#ifdef HAVE_MENU
#include "menu/menu.h"
#endif
#ifdef HAVE_NETPLAY
#include "netplay.h"
#endif
#include "verbosity.h"
typedef struct event_cmd_state
{
bool fullscreen_toggle;
bool overlay_next_pressed;
bool grab_mouse_pressed;
bool menu_pressed;
bool quit_key_pressed;
bool screenshot_pressed;
bool mute_pressed;
bool osk_pressed;
bool volume_up_pressed;
bool volume_down_pressed;
bool reset_pressed;
bool disk_prev_pressed;
bool disk_next_pressed;
bool disk_eject_pressed;
bool movie_record;
bool save_state_pressed;
bool load_state_pressed;
bool slowmotion_pressed;
bool shader_next_pressed;
bool shader_prev_pressed;
bool fastforward_pressed;
bool hold_pressed;
bool old_hold_pressed;
bool state_slot_increase;
bool state_slot_decrease;
bool pause_pressed;
bool frameadvance_pressed;
bool rewind_pressed;
bool netplay_flip_pressed;
bool cheat_index_plus_pressed;
bool cheat_index_minus_pressed;
bool cheat_toggle_pressed;
} event_cmd_state_t;
static rarch_dir_list_t runloop_shader_dir;
static unsigned runloop_pending_windowed_scale;
static msg_queue_t *g_msg_queue;
global_t *global_get_ptr(void)
{
static struct global g_extern;
return &g_extern;
}
const char *rarch_main_msg_queue_pull(void)
{
const char *ret = NULL;
runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_LOCK, NULL);
ret = msg_queue_pull(g_msg_queue);
runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_UNLOCK, NULL);
return ret;
}
void rarch_main_msg_queue_push_new(uint32_t hash, unsigned prio, unsigned duration,
bool flush)
{
const char *msg = msg_hash_to_str(hash);
if (!msg)
return;
rarch_main_msg_queue_push(msg, prio, duration, flush);
}
void rarch_main_msg_queue_push(const char *msg, unsigned prio, unsigned duration,
bool flush)
{
settings_t *settings = config_get_ptr();
if(!settings->video.font_enable || !g_msg_queue)
return;
runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_LOCK, NULL);
if (flush)
msg_queue_clear(g_msg_queue);
msg_queue_push(g_msg_queue, msg, prio, duration);
runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_UNLOCK, NULL);
if (ui_companion_is_on_foreground())
{
const ui_companion_driver_t *ui = ui_companion_get_ptr();
if (ui->msg_queue_push)
ui->msg_queue_push(msg, prio, duration, flush);
}
}
/**
* check_pause:
* @pressed : was libretro pause key pressed?
* @frameadvance_pressed : was frameadvance key pressed?
*
* Check if libretro pause key was pressed. If so, pause or
* unpause the libretro core.
*
* Returns: true if libretro pause key was toggled, otherwise false.
**/
static bool check_pause(settings_t *settings,
bool focus, bool pause_pressed,
bool frameadvance_pressed)
{
static bool old_focus = true;
enum event_command cmd = EVENT_CMD_NONE;
bool old_is_paused = runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL);
/* FRAMEADVANCE will set us into pause mode. */
pause_pressed |= !old_is_paused && frameadvance_pressed;
if (focus && pause_pressed)
cmd = EVENT_CMD_PAUSE_TOGGLE;
else if (focus && !old_focus)
cmd = EVENT_CMD_UNPAUSE;
else if (!focus && old_focus)
cmd = EVENT_CMD_PAUSE;
old_focus = focus;
if (cmd != EVENT_CMD_NONE)
event_command(cmd);
if (runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL) == old_is_paused)
return false;
return true;
}
/**
* check_fast_forward_button:
* @fastforward_pressed : is fastforward key pressed?
* @hold_pressed : is fastforward key pressed and held?
* @old_hold_pressed : was fastforward key pressed and held the last frame?
*
* Checks if the fast forward key has been pressed for this frame.
*
**/
static void check_fast_forward_button(bool fastforward_pressed,
bool hold_pressed, bool old_hold_pressed)
{
/* To avoid continous switching if we hold the button down, we require
* that the button must go from pressed to unpressed back to pressed
* to be able to toggle between then.
*/
if (fastforward_pressed)
{
if (input_driver_ctl(RARCH_INPUT_CTL_IS_NONBLOCK_STATE, NULL))
input_driver_ctl(RARCH_INPUT_CTL_UNSET_NONBLOCK_STATE, NULL);
else
input_driver_ctl(RARCH_INPUT_CTL_SET_NONBLOCK_STATE, NULL);
}
else if (old_hold_pressed != hold_pressed)
{
if (hold_pressed)
input_driver_ctl(RARCH_INPUT_CTL_SET_NONBLOCK_STATE, NULL);
else
input_driver_ctl(RARCH_INPUT_CTL_UNSET_NONBLOCK_STATE, NULL);
}
else
return;
driver_set_nonblock_state();
}
/**
* check_stateslots:
* @pressed_increase : is state slot increase key pressed?
* @pressed_decrease : is state slot decrease key pressed?
*
* Checks if the state increase/decrease keys have been pressed
* for this frame.
**/
static void check_stateslots(settings_t *settings,
bool pressed_increase, bool pressed_decrease)
{
char msg[128];
/* Save state slots */
if (pressed_increase)
settings->state_slot++;
else if (pressed_decrease)
{
if (settings->state_slot > 0)
settings->state_slot--;
}
else
return;
snprintf(msg, sizeof(msg), "%s: %d",
msg_hash_to_str(MSG_STATE_SLOT),
settings->state_slot);
rarch_main_msg_queue_push(msg, 1, 180, true);
RARCH_LOG("%s\n", msg);
}
#define SHADER_EXT_GLSL 0x7c976537U
#define SHADER_EXT_GLSLP 0x0f840c87U
#define SHADER_EXT_CG 0x0059776fU
#define SHADER_EXT_CGP 0x0b8865bfU
void shader_dir_free(void)
{
dir_list_free(runloop_shader_dir.list);
runloop_shader_dir.list = NULL;
runloop_shader_dir.ptr = 0;
}
bool shader_dir_init(void)
{
unsigned i;
settings_t *settings = config_get_ptr();
if (!*settings->video.shader_dir)
return false;
runloop_shader_dir.list = dir_list_new_special(NULL, DIR_LIST_SHADERS, NULL);
if (!runloop_shader_dir.list || runloop_shader_dir.list->size == 0)
{
event_command(EVENT_CMD_SHADER_DIR_DEINIT);
return false;
}
runloop_shader_dir.ptr = 0;
dir_list_sort(runloop_shader_dir.list, false);
for (i = 0; i < runloop_shader_dir.list->size; i++)
RARCH_LOG("%s \"%s\"\n",
msg_hash_to_str(MSG_FOUND_SHADER),
runloop_shader_dir.list->elems[i].data);
return true;
}
/**
* check_shader_dir:
* @pressed_next : was next shader key pressed?
* @pressed_previous : was previous shader key pressed?
*
* Checks if any one of the shader keys has been pressed for this frame:
* a) Next shader index.
* b) Previous shader index.
*
* Will also immediately apply the shader.
**/
static void check_shader_dir(bool pressed_next, bool pressed_prev)
{
uint32_t ext_hash;
char msg[PATH_MAX_LENGTH];
const char *shader = NULL;
const char *ext = NULL;
enum rarch_shader_type type = RARCH_SHADER_NONE;
if (!runloop_shader_dir.list)
return;
if (pressed_next)
{
runloop_shader_dir.ptr = (runloop_shader_dir.ptr + 1) %
runloop_shader_dir.list->size;
}
else if (pressed_prev)
{
if (runloop_shader_dir.ptr == 0)
runloop_shader_dir.ptr = runloop_shader_dir.list->size - 1;
else
runloop_shader_dir.ptr--;
}
else
return;
shader = runloop_shader_dir.list->elems[runloop_shader_dir.ptr].data;
ext = path_get_extension(shader);
ext_hash = msg_hash_calculate(ext);
switch (ext_hash)
{
case SHADER_EXT_GLSL:
case SHADER_EXT_GLSLP:
type = RARCH_SHADER_GLSL;
break;
case SHADER_EXT_CG:
case SHADER_EXT_CGP:
type = RARCH_SHADER_CG;
break;
default:
return;
}
snprintf(msg, sizeof(msg), "%s #%u: \"%s\".",
msg_hash_to_str(MSG_SHADER),
(unsigned)runloop_shader_dir.ptr, shader);
rarch_main_msg_queue_push(msg, 1, 120, true);
RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_APPLYING_SHADER),
shader);
if (!video_driver_set_shader(type, shader))
RARCH_WARN("%s\n", msg_hash_to_str(MSG_FAILED_TO_APPLY_SHADER));
}
static void rarch_main_data_clear_state(void)
{
runloop_ctl(RUNLOOP_CTL_DATA_DEINIT, NULL);
rarch_task_init();
}
bool *runloop_perfcnt_enabled(void)
{
static bool runloop_perfcnt_enable;
return &runloop_perfcnt_enable;
}
bool runloop_ctl(enum runloop_ctl_state state, void *data)
{
static char runloop_fullpath[PATH_MAX_LENGTH];
static unsigned runloop_max_frames = false;
static bool runloop_frame_time_last = false;
static bool runloop_set_frame_limit = false;
static bool runloop_paused = false;
static bool runloop_idle = false;
static bool runloop_exec = false;
static bool runloop_slowmotion = false;
static bool runloop_shutdown_initiated = false;
static bool runloop_core_shutdown_initiated = false;
#ifdef HAVE_THREADS
static slock_t *runloop_msg_queue_lock = NULL;
#endif
settings_t *settings = config_get_ptr();
switch (state)
{
case RUNLOOP_CTL_IS_FRAME_COUNT_END:
{
uint64_t *frame_count = NULL;
video_driver_ctl(RARCH_DISPLAY_CTL_GET_FRAME_COUNT, &frame_count);
return runloop_max_frames && (*frame_count >= runloop_max_frames);
}
break;
case RUNLOOP_CTL_SET_FRAME_TIME_LAST:
runloop_frame_time_last = true;
break;
case RUNLOOP_CTL_UNSET_FRAME_TIME_LAST:
runloop_frame_time_last = false;
break;
case RUNLOOP_CTL_IS_FRAME_TIME_LAST:
return runloop_frame_time_last;
case RUNLOOP_CTL_SET_FRAME_LIMIT:
runloop_set_frame_limit = true;
break;
case RUNLOOP_CTL_UNSET_FRAME_LIMIT:
runloop_set_frame_limit = false;
break;
case RUNLOOP_CTL_SHOULD_SET_FRAME_LIMIT:
return runloop_set_frame_limit;
case RUNLOOP_CTL_SET_PERFCNT_ENABLE:
{
bool *perfcnt_enable = runloop_perfcnt_enabled();
*perfcnt_enable = true;
}
break;
case RUNLOOP_CTL_UNSET_PERFCNT_ENABLE:
{
bool *perfcnt_enable = runloop_perfcnt_enabled();
*perfcnt_enable = false;
}
break;
case RUNLOOP_CTL_IS_PERFCNT_ENABLE:
{
bool *perfcnt_enable = runloop_perfcnt_enabled();
return *perfcnt_enable;
}
case RUNLOOP_CTL_GET_WINDOWED_SCALE:
{
unsigned **scale = (unsigned**)data;
if (!scale)
return false;
*scale = (unsigned*)&runloop_pending_windowed_scale;
}
break;
case RUNLOOP_CTL_SET_WINDOWED_SCALE:
{
unsigned *idx = (unsigned*)data;
if (!idx)
return false;
runloop_pending_windowed_scale = *idx;
}
break;
case RUNLOOP_CTL_SET_LIBRETRO_PATH:
{
const char *fullpath = (const char*)data;
if (!fullpath)
return false;
strlcpy(settings->libretro, fullpath, sizeof(settings->libretro));
}
break;
case RUNLOOP_CTL_CLEAR_CONTENT_PATH:
*runloop_fullpath = '\0';
break;
case RUNLOOP_CTL_GET_CONTENT_PATH:
{
char **fullpath = (char**)data;
if (!fullpath)
return false;
*fullpath = (char*)runloop_fullpath;
}
break;
case RUNLOOP_CTL_SET_CONTENT_PATH:
{
const char *fullpath = (const char*)data;
if (!fullpath)
return false;
strlcpy(runloop_fullpath, fullpath, sizeof(runloop_fullpath));
}
break;
case RUNLOOP_CTL_CHECK_FOCUS:
if (settings->pause_nonactive)
return video_driver_ctl(RARCH_DISPLAY_CTL_IS_FOCUSED, NULL);
return true;
case RUNLOOP_CTL_CHECK_IDLE_STATE:
{
event_cmd_state_t *cmd = (event_cmd_state_t*)data;
bool focused = runloop_ctl(RUNLOOP_CTL_CHECK_FOCUS, NULL);
check_pause(settings, focused,
cmd->pause_pressed, cmd->frameadvance_pressed);
if (!runloop_ctl(RUNLOOP_CTL_CHECK_PAUSE_STATE, cmd) || !focused)
return false;
break;
}
case RUNLOOP_CTL_CHECK_STATE:
{
event_cmd_state_t *cmd = (event_cmd_state_t*)data;
if (!cmd || runloop_idle)
return false;
if (cmd->screenshot_pressed)
event_command(EVENT_CMD_TAKE_SCREENSHOT);
if (cmd->mute_pressed)
event_command(EVENT_CMD_AUDIO_MUTE_TOGGLE);
if (cmd->osk_pressed)
{
if (input_driver_ctl(RARCH_INPUT_CTL_IS_KEYBOARD_LINEFEED_ENABLED, NULL))
input_driver_ctl(RARCH_INPUT_CTL_UNSET_KEYBOARD_LINEFEED_ENABLED, NULL);
else
input_driver_ctl(RARCH_INPUT_CTL_SET_KEYBOARD_LINEFEED_ENABLED, NULL);
}
if (cmd->volume_up_pressed)
event_command(EVENT_CMD_VOLUME_UP);
else if (cmd->volume_down_pressed)
event_command(EVENT_CMD_VOLUME_DOWN);
#ifdef HAVE_NETPLAY
{
driver_t *driver = driver_get_ptr();
if (driver->netplay_data)
{
if (cmd->netplay_flip_pressed)
event_command(EVENT_CMD_NETPLAY_FLIP_PLAYERS);
if (cmd->fullscreen_toggle)
event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
break;
}
}
#endif
if (!runloop_ctl(RUNLOOP_CTL_CHECK_IDLE_STATE, data))
return false;
check_fast_forward_button(
cmd->fastforward_pressed,
cmd->hold_pressed, cmd->old_hold_pressed);
check_stateslots(settings, cmd->state_slot_increase,
cmd->state_slot_decrease);
if (cmd->save_state_pressed)
event_command(EVENT_CMD_SAVE_STATE);
else if (cmd->load_state_pressed)
event_command(EVENT_CMD_LOAD_STATE);
state_manager_check_rewind(cmd->rewind_pressed);
runloop_ctl(RUNLOOP_CTL_CHECK_SLOWMOTION, &cmd->slowmotion_pressed);
if (cmd->movie_record)
runloop_ctl(RUNLOOP_CTL_CHECK_MOVIE, NULL);
check_shader_dir(cmd->shader_next_pressed,
cmd->shader_prev_pressed);
if (cmd->disk_eject_pressed)
event_command(EVENT_CMD_DISK_EJECT_TOGGLE);
else if (cmd->disk_next_pressed)
event_command(EVENT_CMD_DISK_NEXT);
else if (cmd->disk_prev_pressed)
event_command(EVENT_CMD_DISK_PREV);
if (cmd->reset_pressed)
event_command(EVENT_CMD_RESET);
cheat_manager_state_checks(
cmd->cheat_index_plus_pressed,
cmd->cheat_index_minus_pressed,
cmd->cheat_toggle_pressed);
}
break;
case RUNLOOP_CTL_CHECK_PAUSE_STATE:
{
bool check_is_oneshot;
event_cmd_state_t *cmd = (event_cmd_state_t*)data;
if (!cmd)
return false;
check_is_oneshot = cmd->frameadvance_pressed || cmd->rewind_pressed;
if (!runloop_paused)
return true;
if (cmd->fullscreen_toggle)
{
event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_RENDER, NULL);
}
if (!check_is_oneshot)
return false;
}
break;
case RUNLOOP_CTL_CHECK_SLOWMOTION:
{
bool *ptr = (bool*)data;
if (!ptr)
return false;
runloop_slowmotion = *ptr;
if (!runloop_slowmotion)
return false;
if (settings->video.black_frame_insertion)
video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_RENDER, NULL);
if (state_manager_frame_is_reversed())
rarch_main_msg_queue_push_new(MSG_SLOW_MOTION_REWIND, 0, 30, true);
else
rarch_main_msg_queue_push_new(MSG_SLOW_MOTION, 0, 30, true);
}
break;
case RUNLOOP_CTL_CHECK_MOVIE:
if (bsv_movie_ctl(BSV_MOVIE_CTL_PLAYBACK_ON, NULL))
return runloop_ctl(RUNLOOP_CTL_CHECK_MOVIE_PLAYBACK, NULL);
if (!bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
return runloop_ctl(RUNLOOP_CTL_CHECK_MOVIE_INIT, NULL);
return runloop_ctl(RUNLOOP_CTL_CHECK_MOVIE_RECORD, NULL);
case RUNLOOP_CTL_CHECK_MOVIE_RECORD:
if (!bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
return false;
rarch_main_msg_queue_push_new(
MSG_MOVIE_RECORD_STOPPED, 2, 180, true);
RARCH_LOG("%s\n", msg_hash_to_str(MSG_MOVIE_RECORD_STOPPED));
event_command(EVENT_CMD_BSV_MOVIE_DEINIT);
break;
case RUNLOOP_CTL_CHECK_MOVIE_INIT:
if (bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
return false;
{
char path[PATH_MAX_LENGTH], msg[PATH_MAX_LENGTH];
settings->rewind_granularity = 1;
if (settings->state_slot > 0)
snprintf(path, sizeof(path), "%s%d",
bsv_movie_get_path(), settings->state_slot);
else
strlcpy(path, bsv_movie_get_path(), sizeof(path));
strlcat(path, ".bsv", sizeof(path));
snprintf(msg, sizeof(msg), "%s \"%s\".",
msg_hash_to_str(MSG_STARTING_MOVIE_RECORD_TO),
path);
bsv_movie_init_handle(path, RARCH_MOVIE_RECORD);
if (!bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
return false;
else if (bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
{
rarch_main_msg_queue_push(msg, 1, 180, true);
RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_STARTING_MOVIE_RECORD_TO),
path);
}
else
{
rarch_main_msg_queue_push_new(
MSG_FAILED_TO_START_MOVIE_RECORD,
1, 180, true);
RARCH_ERR("%s\n", msg_hash_to_str(MSG_FAILED_TO_START_MOVIE_RECORD));
}
}
break;
case RUNLOOP_CTL_CHECK_MOVIE_PLAYBACK:
if (!bsv_movie_ctl(BSV_MOVIE_CTL_END, NULL))
return false;
rarch_main_msg_queue_push_new(
MSG_MOVIE_PLAYBACK_ENDED, 1, 180, false);
RARCH_LOG("%s\n", msg_hash_to_str(MSG_MOVIE_PLAYBACK_ENDED));
event_command(EVENT_CMD_BSV_MOVIE_DEINIT);
bsv_movie_ctl(BSV_MOVIE_CTL_UNSET_END, NULL);
bsv_movie_ctl(BSV_MOVIE_CTL_UNSET_PLAYBACK, NULL);
break;
case RUNLOOP_CTL_STATE_FREE:
runloop_idle = false;
runloop_paused = false;
runloop_slowmotion = false;
runloop_max_frames = 0;
break;
case RUNLOOP_CTL_GLOBAL_FREE:
{
global_t *global;
event_command(EVENT_CMD_TEMPORARY_CONTENT_DEINIT);
event_command(EVENT_CMD_SUBSYSTEM_FULLPATHS_DEINIT);
event_command(EVENT_CMD_RECORD_DEINIT);
event_command(EVENT_CMD_LOG_FILE_DEINIT);
rarch_ctl(RARCH_CTL_UNSET_BLOCK_CONFIG_READ, NULL);
runloop_ctl(RUNLOOP_CTL_CLEAR_CONTENT_PATH, NULL);
global = global_get_ptr();
memset(global, 0, sizeof(struct global));
}
break;
case RUNLOOP_CTL_CLEAR_STATE:
driver_clear_state();
runloop_ctl(RUNLOOP_CTL_STATE_FREE, NULL);
runloop_ctl(RUNLOOP_CTL_GLOBAL_FREE, NULL);
break;
case RUNLOOP_CTL_SET_MAX_FRAMES:
{
unsigned *ptr = (unsigned*)data;
if (!ptr)
return false;
runloop_max_frames = *ptr;
}
break;
case RUNLOOP_CTL_IS_IDLE:
return runloop_idle;
case RUNLOOP_CTL_SET_IDLE:
{
bool *ptr = (bool*)data;
if (!ptr)
return false;
runloop_idle = *ptr;
}
break;
case RUNLOOP_CTL_IS_SLOWMOTION:
{
bool *ptr = (bool*)data;
if (!ptr)
return false;
*ptr = runloop_slowmotion;
}
break;
case RUNLOOP_CTL_SET_SLOWMOTION:
{
bool *ptr = (bool*)data;
if (!ptr)
return false;
runloop_slowmotion = *ptr;
}
break;
case RUNLOOP_CTL_SET_PAUSED:
{
bool *ptr = (bool*)data;
if (!ptr)
return false;
runloop_paused = *ptr;
}
break;
case RUNLOOP_CTL_IS_PAUSED:
return runloop_paused;
case RUNLOOP_CTL_MSG_QUEUE_FREE:
#ifdef HAVE_THREADS
slock_free(runloop_msg_queue_lock);
#endif
break;
case RUNLOOP_CTL_MSG_QUEUE_DEINIT:
if (!g_msg_queue)
return true;
runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_LOCK, NULL);
msg_queue_free(g_msg_queue);
runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_UNLOCK, NULL);
runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_FREE, NULL);
g_msg_queue = NULL;
break;
case RUNLOOP_CTL_MSG_QUEUE_INIT:
runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_DEINIT, NULL);
if (g_msg_queue)
return true;
g_msg_queue = msg_queue_new(8);
retro_assert(g_msg_queue);
#ifdef HAVE_THREADS
runloop_msg_queue_lock = slock_new();
retro_assert(runloop_msg_queue_lock);
#endif
break;
case RUNLOOP_CTL_MSG_QUEUE_LOCK:
#ifdef HAVE_THREADS
slock_lock(runloop_msg_queue_lock);
#endif
break;
case RUNLOOP_CTL_MSG_QUEUE_UNLOCK:
#ifdef HAVE_THREADS
slock_unlock(runloop_msg_queue_lock);
#endif
break;
case RUNLOOP_CTL_PREPARE_DUMMY:
{
#ifdef HAVE_MENU
menu_handle_t *menu = menu_driver_get_ptr();
if (menu)
menu->load_no_content = false;
#endif
rarch_main_data_clear_state();
runloop_ctl(RUNLOOP_CTL_CLEAR_CONTENT_PATH, NULL);
rarch_ctl(RARCH_CTL_LOAD_CONTENT, NULL);
}
break;
case RUNLOOP_CTL_SET_CORE_SHUTDOWN:
runloop_core_shutdown_initiated = true;
break;
case RUNLOOP_CTL_UNSET_CORE_SHUTDOWN:
runloop_core_shutdown_initiated = false;
break;
case RUNLOOP_CTL_IS_CORE_SHUTDOWN:
return runloop_core_shutdown_initiated;
case RUNLOOP_CTL_SET_SHUTDOWN:
runloop_shutdown_initiated = true;
break;
case RUNLOOP_CTL_UNSET_SHUTDOWN:
runloop_shutdown_initiated = false;
break;
case RUNLOOP_CTL_IS_SHUTDOWN:
return runloop_shutdown_initiated;
case RUNLOOP_CTL_SET_EXEC:
runloop_exec = true;
break;
case RUNLOOP_CTL_UNSET_EXEC:
runloop_exec = false;
break;
case RUNLOOP_CTL_IS_EXEC:
return runloop_exec;
case RUNLOOP_CTL_DATA_DEINIT:
rarch_task_deinit();
break;
default:
return false;
}
return true;
}
#ifdef HAVE_OVERLAY
static void rarch_main_iterate_linefeed_overlay(settings_t *settings)
{
static char prev_overlay_restore = false;
bool osk_enable = input_driver_ctl(RARCH_INPUT_CTL_IS_OSK_ENABLED, NULL);
if (osk_enable && !input_driver_ctl(RARCH_INPUT_CTL_IS_KEYBOARD_LINEFEED_ENABLED, NULL))
{
input_driver_ctl(RARCH_INPUT_CTL_UNSET_OSK_ENABLED, NULL);
prev_overlay_restore = true;
event_command(EVENT_CMD_OVERLAY_DEINIT);
}
else if (!osk_enable && input_driver_ctl(RARCH_INPUT_CTL_IS_KEYBOARD_LINEFEED_ENABLED, NULL))
{
input_driver_ctl(RARCH_INPUT_CTL_SET_OSK_ENABLED, NULL);
prev_overlay_restore = false;
event_command(EVENT_CMD_OVERLAY_INIT);
}
else if (prev_overlay_restore)
{
if (!settings->input.overlay_hide_in_menu)
event_command(EVENT_CMD_OVERLAY_INIT);
prev_overlay_restore = false;
}
}
#endif
#ifdef HAVE_MENU
static bool rarch_main_cmd_get_state_menu_toggle_button_combo(
settings_t *settings,
retro_input_t input, retro_input_t old_input,
retro_input_t trigger_input)
{
switch (settings->input.menu_toggle_gamepad_combo)
{
case 0:
return false;
case 1:
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_DOWN))
return false;
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_Y))
return false;
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_L))
return false;
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_R))
return false;
break;
case 2:
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_L3))
return false;
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_R3))
return false;
break;
}
input_driver_ctl(RARCH_INPUT_CTL_SET_FLUSHING_INPUT, NULL);
return true;
}
#endif
static void rarch_main_cmd_get_state(
settings_t *settings, event_cmd_state_t *cmd,
retro_input_t input, retro_input_t old_input,
retro_input_t trigger_input)
{
if (!cmd)
return;
cmd->overlay_next_pressed = BIT64_GET(trigger_input, RARCH_OVERLAY_NEXT);
cmd->grab_mouse_pressed = BIT64_GET(trigger_input, RARCH_GRAB_MOUSE_TOGGLE);
#ifdef HAVE_MENU
cmd->menu_pressed = BIT64_GET(trigger_input, RARCH_MENU_TOGGLE) ||
rarch_main_cmd_get_state_menu_toggle_button_combo(
settings, input,
old_input, trigger_input);
#endif
cmd->quit_key_pressed = BIT64_GET(input, RARCH_QUIT_KEY);
cmd->screenshot_pressed = BIT64_GET(trigger_input, RARCH_SCREENSHOT);
cmd->mute_pressed = BIT64_GET(trigger_input, RARCH_MUTE);
cmd->osk_pressed = BIT64_GET(trigger_input, RARCH_OSK);
cmd->volume_up_pressed = BIT64_GET(input, RARCH_VOLUME_UP);
cmd->volume_down_pressed = BIT64_GET(input, RARCH_VOLUME_DOWN);
cmd->reset_pressed = BIT64_GET(trigger_input, RARCH_RESET);
cmd->disk_prev_pressed = BIT64_GET(trigger_input, RARCH_DISK_PREV);
cmd->disk_next_pressed = BIT64_GET(trigger_input, RARCH_DISK_NEXT);
cmd->disk_eject_pressed = BIT64_GET(trigger_input, RARCH_DISK_EJECT_TOGGLE);
cmd->movie_record = BIT64_GET(trigger_input, RARCH_MOVIE_RECORD_TOGGLE);
cmd->save_state_pressed = BIT64_GET(trigger_input, RARCH_SAVE_STATE_KEY);
cmd->load_state_pressed = BIT64_GET(trigger_input, RARCH_LOAD_STATE_KEY);
cmd->slowmotion_pressed = BIT64_GET(input, RARCH_SLOWMOTION);
cmd->shader_next_pressed = BIT64_GET(trigger_input, RARCH_SHADER_NEXT);
cmd->shader_prev_pressed = BIT64_GET(trigger_input, RARCH_SHADER_PREV);
cmd->fastforward_pressed = BIT64_GET(trigger_input, RARCH_FAST_FORWARD_KEY);
cmd->hold_pressed = BIT64_GET(input, RARCH_FAST_FORWARD_HOLD_KEY);
cmd->old_hold_pressed = BIT64_GET(old_input, RARCH_FAST_FORWARD_HOLD_KEY);
cmd->state_slot_increase = BIT64_GET(trigger_input, RARCH_STATE_SLOT_PLUS);
cmd->state_slot_decrease = BIT64_GET(trigger_input, RARCH_STATE_SLOT_MINUS);
cmd->pause_pressed = BIT64_GET(trigger_input, RARCH_PAUSE_TOGGLE);
cmd->frameadvance_pressed = BIT64_GET(trigger_input, RARCH_FRAMEADVANCE);
cmd->rewind_pressed = BIT64_GET(input, RARCH_REWIND);
cmd->netplay_flip_pressed = BIT64_GET(trigger_input, RARCH_NETPLAY_FLIP);
cmd->fullscreen_toggle = BIT64_GET(trigger_input, RARCH_FULLSCREEN_TOGGLE_KEY);
cmd->cheat_index_plus_pressed = BIT64_GET(trigger_input,
RARCH_CHEAT_INDEX_PLUS);
cmd->cheat_index_minus_pressed = BIT64_GET(trigger_input,
RARCH_CHEAT_INDEX_MINUS);
cmd->cheat_toggle_pressed = BIT64_GET(trigger_input,
RARCH_CHEAT_TOGGLE);
}
/* Time to exit out of the main loop?
* Reasons for exiting:
* a) Shutdown environment callback was invoked.
* b) Quit key was pressed.
* c) Frame count exceeds or equals maximum amount of frames to run.
* d) Video driver no longer alive.
* e) End of BSV movie and BSV EOF exit is true. (TODO/FIXME - explain better)
*/
static INLINE int rarch_main_iterate_time_to_exit(bool quit_key_pressed)
{
bool time_to_exit = runloop_ctl(RUNLOOP_CTL_IS_SHUTDOWN, NULL) || quit_key_pressed;
time_to_exit = time_to_exit || (video_driver_ctl(RARCH_DISPLAY_CTL_IS_ALIVE, NULL) == false);
time_to_exit = time_to_exit || bsv_movie_ctl(BSV_MOVIE_CTL_END_EOF, NULL);
time_to_exit = time_to_exit || runloop_ctl(RUNLOOP_CTL_IS_FRAME_COUNT_END, NULL);
time_to_exit = time_to_exit || runloop_ctl(RUNLOOP_CTL_IS_EXEC, NULL);
if (!time_to_exit)
return 1;
if (runloop_ctl(RUNLOOP_CTL_IS_EXEC, NULL))
runloop_ctl(RUNLOOP_CTL_UNSET_EXEC, NULL);
if (runloop_ctl(RUNLOOP_CTL_IS_CORE_SHUTDOWN, NULL))
{
/* Quits out of RetroArch main loop.
* On special case, loads dummy core
* instead of exiting RetroArch completely.
* Aborts core shutdown if invoked.
*/
settings_t *settings = config_get_ptr();
if (!settings->load_dummy_on_core_shutdown)
return -1;
if (!runloop_ctl(RUNLOOP_CTL_PREPARE_DUMMY, NULL))
return -1;
runloop_ctl(RUNLOOP_CTL_UNSET_SHUTDOWN, NULL);
runloop_ctl(RUNLOOP_CTL_UNSET_CORE_SHUTDOWN, NULL);
return 0;
}
return -1;
}
/**
* rarch_main_iterate:
*
* Run Libretro core in RetroArch for one frame.
*
* Returns: 0 on success, 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(unsigned *sleep_ms)
{
unsigned i;
retro_input_t trigger_input;
event_cmd_state_t cmd;
retro_time_t current, target, to_sleep_ms;
static retro_usec_t frame_time_last = 0;
static retro_time_t frame_limit_minimum_time = 0.0;
static retro_time_t frame_limit_last_time = 0.0;
static retro_input_t last_input = 0;
driver_t *driver = driver_get_ptr();
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
retro_input_t input = input_keys_pressed();
rarch_system_info_t *system = rarch_system_info_get_ptr();
retro_input_t old_input = last_input;
last_input = input;
if (runloop_ctl(RUNLOOP_CTL_IS_FRAME_TIME_LAST, NULL))
{
frame_time_last = 0;
runloop_ctl(RUNLOOP_CTL_UNSET_FRAME_TIME_LAST, NULL);
}
if (runloop_ctl(RUNLOOP_CTL_SHOULD_SET_FRAME_LIMIT, NULL))
{
struct retro_system_av_info *av_info = video_viewport_get_system_av_info();
float fastforward_ratio = (settings->fastforward_ratio == 0.0f)
? 1.0f : settings->fastforward_ratio;
frame_limit_last_time = retro_get_time_usec();
frame_limit_minimum_time = (retro_time_t)roundf(1000000.0f
/ (av_info->timing.fps * fastforward_ratio));
runloop_ctl(RUNLOOP_CTL_UNSET_FRAME_LIMIT, NULL);
}
if (input_driver_ctl(RARCH_INPUT_CTL_IS_FLUSHING_INPUT, NULL))
{
input_driver_ctl(RARCH_INPUT_CTL_UNSET_FLUSHING_INPUT, NULL);
if (input)
{
input = 0;
/* If core was paused before entering menu, evoke
* pause toggle to wake it up. */
if (runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL))
BIT64_SET(input, RARCH_PAUSE_TOGGLE);
input_driver_ctl(RARCH_INPUT_CTL_SET_FLUSHING_INPUT, NULL);
}
}
if (system->frame_time.callback)
{
/* Updates frame timing if frame timing callback is in use by the core.
* Limits frame time if fast forward ratio throttle is enabled. */
bool is_slowmotion;
retro_time_t current = retro_get_time_usec();
retro_time_t delta = current - frame_time_last;
bool is_locked_fps = (runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL) ||
input_driver_ctl(RARCH_INPUT_CTL_IS_NONBLOCK_STATE, NULL)) |
!!driver->recording_data;
runloop_ctl(RUNLOOP_CTL_IS_SLOWMOTION, &is_slowmotion);
if (!frame_time_last || is_locked_fps)
delta = system->frame_time.reference;
if (!is_locked_fps && is_slowmotion)
delta /= settings->slowmotion_ratio;
frame_time_last = current;
if (is_locked_fps)
frame_time_last = 0;
system->frame_time.callback(delta);
}
trigger_input = input & ~old_input;
rarch_main_cmd_get_state(settings, &cmd, input, old_input, trigger_input);
if (cmd.overlay_next_pressed)
event_command(EVENT_CMD_OVERLAY_NEXT);
if (cmd.fullscreen_toggle)
{
bool fullscreen_toggled = !runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL);
#ifdef HAVE_MENU
fullscreen_toggled = fullscreen_toggled || menu_driver_alive();
#endif
if (fullscreen_toggled)
event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
}
if (cmd.grab_mouse_pressed)
event_command(EVENT_CMD_GRAB_MOUSE_TOGGLE);
#ifdef HAVE_MENU
if (cmd.menu_pressed || (global->inited.core.type == CORE_TYPE_DUMMY))
{
if (menu_driver_alive())
{
if (global->inited.main && (global->inited.core.type != CORE_TYPE_DUMMY))
rarch_ctl(RARCH_CTL_MENU_RUNNING_FINISHED, NULL);
}
else
rarch_ctl(RARCH_CTL_MENU_RUNNING, NULL);
}
#endif
#ifdef HAVE_OVERLAY
rarch_main_iterate_linefeed_overlay(settings);
#endif
if (rarch_main_iterate_time_to_exit(cmd.quit_key_pressed) != 1)
{
frame_limit_last_time = 0.0;
return -1;
}
#ifdef HAVE_MENU
if (menu_driver_alive())
{
bool focused = runloop_ctl(RUNLOOP_CTL_CHECK_FOCUS, NULL) && !ui_companion_is_on_foreground();
bool is_idle = runloop_ctl(RUNLOOP_CTL_IS_IDLE, NULL);
if (menu_driver_iterate((enum menu_action)menu_input_frame_retropad(input, trigger_input)) == -1)
rarch_ctl(RARCH_CTL_MENU_RUNNING_FINISHED, NULL);
if (focused || !is_idle)
menu_iterate_render();
if (!focused || is_idle)
{
*sleep_ms = 10;
return 1;
}
goto end;
}
#endif
if (!runloop_ctl(RUNLOOP_CTL_CHECK_STATE, &cmd))
{
/* RetroArch has been paused. */
driver->retro_ctx.poll_cb();
*sleep_ms = 10;
return 1;
}
#if defined(HAVE_THREADS)
lock_autosave();
#endif
#ifdef HAVE_NETPLAY
if (driver->netplay_data)
netplay_pre_frame((netplay_t*)driver->netplay_data);
#endif
if (bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
bsv_movie_ctl(BSV_MOVIE_CTL_SET_FRAME_START, NULL);
if (system->camera_callback.caps)
driver_camera_poll();
/* Update binds for analog dpad modes. */
for (i = 0; i < settings->input.max_users; i++)
{
if (!settings->input.analog_dpad_mode[i])
continue;
input_push_analog_dpad(settings->input.binds[i],
settings->input.analog_dpad_mode[i]);
input_push_analog_dpad(settings->input.autoconf_binds[i],
settings->input.analog_dpad_mode[i]);
}
if ((settings->video.frame_delay > 0) &&
!input_driver_ctl(RARCH_INPUT_CTL_IS_NONBLOCK_STATE, NULL))
retro_sleep(settings->video.frame_delay);
/* Run libretro for one frame. */
core.retro_run();
#ifdef HAVE_CHEEVOS
/* Test the achievements. */
cheevos_test();
#endif
for (i = 0; i < settings->input.max_users; i++)
{
if (!settings->input.analog_dpad_mode[i])
continue;
input_pop_analog_dpad(settings->input.binds[i]);
input_pop_analog_dpad(settings->input.autoconf_binds[i]);
}
if (bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
bsv_movie_ctl(BSV_MOVIE_CTL_SET_FRAME_END, NULL);
#ifdef HAVE_NETPLAY
if (driver->netplay_data)
netplay_post_frame((netplay_t*)driver->netplay_data);
#endif
#if defined(HAVE_THREADS)
unlock_autosave();
#endif
#ifdef HAVE_MENU
end:
#endif
if (!settings->fastforward_ratio)
return 0;
current = retro_get_time_usec();
target = frame_limit_last_time + frame_limit_minimum_time;
to_sleep_ms = (target - current) / 1000;
if (to_sleep_ms > 0)
{
*sleep_ms = (unsigned)to_sleep_ms;
/* Combat jitter a bit. */
frame_limit_last_time += frame_limit_minimum_time;
return 1;
}
frame_limit_last_time = retro_get_time_usec();
return 0;
}
void rarch_main_data_iterate(void)
{
rarch_task_check();
}
void data_runloop_osd_msg(const char *msg, size_t len)
{
rarch_main_msg_queue_push(msg, 1, 10, true);
}
Reference in New Issue View Git Blame Copy Permalink