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runloop.c
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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2021 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
* Copyright (C) 2014-2017 - Jean-Andr� Santoni
* Copyright (C) 2016-2019 - Brad Parker
* Copyright (C) 2016-2019 - Andr�s Su�rez (input mapper code)
* Copyright (C) 2016-2017 - Gregor Richards (network code)
*
* 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/>.
*/
#ifdef _WIN32
#ifdef _XBOX
#include <xtl.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#if defined(DEBUG) && defined(HAVE_DRMINGW)
#include "exchndl.h"
#endif
#endif
#if defined(DINGUX)
#include <sys/types.h>
#include <unistd.h>
#endif
#if (defined(__linux__) || defined(__unix__) || defined(DINGUX)) && !defined(EMSCRIPTEN)
#include <signal.h>
#endif
#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500 || defined(_XBOX)
#ifndef LEGACY_WIN32
#define LEGACY_WIN32
#endif
#endif
#if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__)
#include <objbase.h>
#include <process.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdint.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include <locale.h>
#include <boolean.h>
#include <clamping.h>
#include <string/stdstring.h>
#include <dynamic/dylib.h>
#include <file/config_file.h>
#include <lists/string_list.h>
#include <memalign.h>
#include <retro_math.h>
#include <retro_timers.h>
#include <encodings/utf.h>
#include <libretro.h>
#ifdef HAVE_VULKAN
#include <libretro_vulkan.h>
#endif
#define VFS_FRONTEND
#include <vfs/vfs_implementation.h>
#include <features/features_cpu.h>
#include <compat/strl.h>
#include <compat/strcasestr.h>
#include <compat/getopt.h>
#include <compat/posix_string.h>
#include <streams/file_stream.h>
#include <file/file_path.h>
#include <retro_miscellaneous.h>
#include <queues/message_queue.h>
#include <lists/dir_list.h>
#ifdef EMSCRIPTEN
#include <emscripten/emscripten.h>
#endif
#ifdef HAVE_LIBNX
#include <switch.h>
#include "switch_performance_profiles.h"
#endif
#if defined(ANDROID)
#include "play_feature_delivery/play_feature_delivery.h"
#endif
#ifdef HAVE_PRESENCE
#include "network/presence.h"
#endif
#ifdef HAVE_DISCORD
#include "network/discord.h"
#endif
#include "config.def.h"
#include "runtime_file.h"
#include "runloop.h"
#include "camera/camera_driver.h"
#include "location_driver.h"
#include "record/record_driver.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_NETWORKING
#include <net/net_compat.h>
#include <net/net_socket.h>
#endif
#include <audio/audio_resampler.h>
#include "audio/audio_driver.h"
#include "gfx/gfx_animation.h"
#include "gfx/gfx_display.h"
#include "gfx/gfx_thumbnail.h"
#include "gfx/video_filter.h"
#include "input/input_osk.h"
#ifdef HAVE_RUNAHEAD
#include "runahead.h"
#endif
#ifdef HAVE_MENU
#include "menu/menu_cbs.h"
#include "menu/menu_driver.h"
#include "menu/menu_input.h"
#endif
#if defined(HAVE_CG) || defined(HAVE_GLSL) || defined(HAVE_SLANG) || defined(HAVE_HLSL)
#include "menu/menu_shader.h"
#endif
#ifdef HAVE_GFX_WIDGETS
#include "gfx/gfx_widgets.h"
#endif
#include "input/input_keymaps.h"
#include "input/input_remapping.h"
#ifdef HAVE_MICROPHONE
#include "audio/microphone_driver.h"
#endif
#ifdef HAVE_CHEEVOS
#include "cheevos/cheevos.h"
#include "cheevos/cheevos_menu.h"
#endif
#ifdef HAVE_NETWORKING
#include "network/netplay/netplay.h"
#include "network/netplay/netplay_private.h"
#ifdef HAVE_WIFI
#include "network/wifi_driver.h"
#endif
#endif
#ifdef HAVE_THREADS
#include <rthreads/rthreads.h>
#endif
#include "autosave.h"
#include "command.h"
#include "config.features.h"
#include "cores/internal_cores.h"
#include "content.h"
#include "core_info.h"
#include "dynamic.h"
#include "defaults.h"
#include "msg_hash.h"
#include "paths.h"
#include "file_path_special.h"
#include "ui/ui_companion_driver.h"
#include "verbosity.h"
#include "frontend/frontend_driver.h"
#ifdef HAVE_THREADS
#include "gfx/video_thread_wrapper.h"
#endif
#include "gfx/video_display_server.h"
#ifdef HAVE_CRTSWITCHRES
#include "gfx/video_crt_switch.h"
#endif
#ifdef HAVE_BLUETOOTH
#include "bluetooth/bluetooth_driver.h"
#endif
#include "misc/cpufreq/cpufreq.h"
#include "led/led_driver.h"
#include "midi_driver.h"
#include "location_driver.h"
#include "core.h"
#include "configuration.h"
#include "list_special.h"
#include "core_option_manager.h"
#ifdef HAVE_CHEATS
#include "cheat_manager.h"
#endif
#ifdef HAVE_REWIND
#include "state_manager.h"
#endif
#include "tasks/task_content.h"
#include "tasks/task_file_transfer.h"
#include "tasks/task_powerstate.h"
#include "tasks/tasks_internal.h"
#include "performance_counters.h"
#include "version.h"
#include "version_git.h"
#include "retroarch.h"
#include "accessibility.h"
#if defined(HAVE_SDL) || defined(HAVE_SDL2) || defined(HAVE_SDL_DINGUX)
#include "SDL.h"
#endif
#ifdef HAVE_LAKKA
#include "lakka.h"
#endif
#if TARGET_OS_IPHONE
#include "JITSupport.h"
#endif
#define SHADER_FILE_WATCH_DELAY_MSEC 500
#define QUIT_DELAY_USEC 3 * 1000000 /* 3 seconds */
#define DEFAULT_NETWORK_GAMEPAD_PORT 55400
#define UDP_FRAME_PACKETS 16
#ifdef HAVE_ZLIB
#define DEFAULT_EXT "zip"
#else
#define DEFAULT_EXT ""
#endif
#ifdef HAVE_DYNAMIC
#define SYMBOL(x) do { \
function_t func = dylib_proc(lib_handle_local, #x); \
memcpy(¤t_core->x, &func, sizeof(func)); \
if (!current_core->x) { RARCH_ERR("Failed to load symbol: \"%s\"\n", #x); retroarch_fail(1, "runloop_init_libretro_symbols()"); } \
} while (0)
#else
#define SYMBOL(x) current_core->x = x
#endif
#define SYMBOL_DUMMY(x) current_core->x = libretro_dummy_##x
#ifdef HAVE_FFMPEG
#define SYMBOL_FFMPEG(x) current_core->x = libretro_ffmpeg_##x
#endif
#ifdef HAVE_MPV
#define SYMBOL_MPV(x) current_core->x = libretro_mpv_##x
#endif
#ifdef HAVE_IMAGEVIEWER
#define SYMBOL_IMAGEVIEWER(x) current_core->x = libretro_imageviewer_##x
#endif
#if defined(HAVE_NETWORKING) && defined(HAVE_NETWORKGAMEPAD)
#define SYMBOL_NETRETROPAD(x) current_core->x = libretro_netretropad_##x
#endif
#if defined(HAVE_VIDEOPROCESSOR)
#define SYMBOL_VIDEOPROCESSOR(x) current_core->x = libretro_videoprocessor_##x
#endif
#define CORE_SYMBOLS(x) \
x(retro_init); \
x(retro_deinit); \
x(retro_api_version); \
x(retro_get_system_info); \
x(retro_get_system_av_info); \
x(retro_set_environment); \
x(retro_set_video_refresh); \
x(retro_set_audio_sample); \
x(retro_set_audio_sample_batch); \
x(retro_set_input_poll); \
x(retro_set_input_state); \
x(retro_set_controller_port_device); \
x(retro_reset); \
x(retro_run); \
x(retro_serialize_size); \
x(retro_serialize); \
x(retro_unserialize); \
x(retro_cheat_reset); \
x(retro_cheat_set); \
x(retro_load_game); \
x(retro_load_game_special); \
x(retro_unload_game); \
x(retro_get_region); \
x(retro_get_memory_data); \
x(retro_get_memory_size);
#ifdef _WIN32
#define PERF_LOG_FMT "[PERF]: Avg (%s): %I64u ticks, %I64u runs.\n"
#else
#define PERF_LOG_FMT "[PERF]: Avg (%s): %llu ticks, %llu runs.\n"
#endif
static runloop_state_t runloop_state = {0};
/* GLOBAL POINTER GETTERS */
runloop_state_t *runloop_state_get_ptr(void)
{
return &runloop_state;
}
bool state_manager_frame_is_reversed(void)
{
#ifdef HAVE_REWIND
return (runloop_state.rewind_st.flags & STATE_MGR_REWIND_ST_FLAG_FRAME_IS_REVERSED) > 0;
#else
return false;
#endif
}
content_state_t *content_state_get_ptr(void)
{
return &runloop_state.content_st;
}
/* Get the current subsystem rom id */
unsigned content_get_subsystem_rom_id(void)
{
return runloop_state.content_st.pending_subsystem_rom_id;
}
/* Get the current subsystem */
int content_get_subsystem(void)
{
return runloop_state.content_st.pending_subsystem_id;
}
struct retro_perf_counter **retro_get_perf_counter_libretro(void)
{
return runloop_state.perf_counters_libretro;
}
unsigned retro_get_perf_count_libretro(void)
{
return runloop_state.perf_ptr_libretro;
}
void runloop_performance_counter_register(struct retro_perf_counter *perf)
{
if ( perf->registered
|| runloop_state.perf_ptr_libretro >= MAX_COUNTERS)
return;
runloop_state.perf_counters_libretro[runloop_state.perf_ptr_libretro++] = perf;
perf->registered = true;
}
void runloop_log_counters(
struct retro_perf_counter **counters, unsigned num)
{
int i;
for (i = 0; i < (int)num; i++)
{
if (counters[i]->call_cnt)
{
RARCH_LOG(PERF_LOG_FMT,
counters[i]->ident,
(uint64_t)counters[i]->total /
(uint64_t)counters[i]->call_cnt,
(uint64_t)counters[i]->call_cnt);
}
}
}
static void runloop_perf_log(void)
{
if (!runloop_state.perfcnt_enable)
return;
RARCH_LOG("[PERF]: Performance counters (libretro):\n");
runloop_log_counters(runloop_state.perf_counters_libretro,
runloop_state.perf_ptr_libretro);
}
static bool runloop_environ_cb_get_system_info(unsigned cmd, void *data)
{
runloop_state_t *runloop_st = &runloop_state;
rarch_system_info_t *sys_info = &runloop_st->system;
switch (cmd)
{
case RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME:
*runloop_st->load_no_content_hook = *(const bool*)data;
break;
case RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO:
{
size_t i, j, size;
const struct retro_subsystem_info *info =
(const struct retro_subsystem_info*)data;
settings_t *settings = config_get_ptr();
unsigned log_level = settings->uints.libretro_log_level;
runloop_st->subsystem_current_count = 0;
RARCH_LOG("[Environ]: SET_SUBSYSTEM_INFO.\n");
for (i = 0; info[i].ident; i++)
{
if (log_level != RETRO_LOG_DEBUG)
continue;
RARCH_DBG("Subsystem ID: %d\nSpecial game type: %s\n Ident: %s\n ID: %u\n Content:\n",
i,
info[i].desc,
info[i].ident,
info[i].id
);
for (j = 0; j < info[i].num_roms; j++)
{
RARCH_DBG(" %s (%s)\n",
info[i].roms[j].desc, info[i].roms[j].required ?
"required" : "optional");
}
}
size = i;
if (log_level == RETRO_LOG_DEBUG)
{
RARCH_DBG("Subsystems: %d\n", i);
if (size > SUBSYSTEM_MAX_SUBSYSTEMS)
RARCH_WARN("Subsystems exceed subsystem max, clamping to %d\n", SUBSYSTEM_MAX_SUBSYSTEMS);
}
if (sys_info)
{
for (i = 0; i < size && i < SUBSYSTEM_MAX_SUBSYSTEMS; i++)
{
struct retro_subsystem_info *subsys_info = &runloop_st->subsystem_data[i];
struct retro_subsystem_rom_info *subsys_rom_info = runloop_st->subsystem_data_roms[i];
/* Nasty, but have to do it like this since
* the pointers are const char *
* (if we don't free them, we get a memory leak) */
if (!string_is_empty(subsys_info->desc))
free((char*)subsys_info->desc);
if (!string_is_empty(subsys_info->ident))
free((char*)subsys_info->ident);
subsys_info->desc = strdup(info[i].desc);
subsys_info->ident = strdup(info[i].ident);
subsys_info->id = info[i].id;
subsys_info->num_roms = info[i].num_roms;
if (log_level == RETRO_LOG_DEBUG)
if (subsys_info->num_roms > SUBSYSTEM_MAX_SUBSYSTEM_ROMS)
RARCH_WARN("Subsystems exceed subsystem max roms, clamping to %d\n", SUBSYSTEM_MAX_SUBSYSTEM_ROMS);
for (j = 0; j < subsys_info->num_roms && j < SUBSYSTEM_MAX_SUBSYSTEM_ROMS; j++)
{
/* Nasty, but have to do it like this since
* the pointers are const char *
* (if we don't free them, we get a memory leak) */
if (!string_is_empty(subsys_rom_info[j].desc))
free((char*)
subsys_rom_info[j].desc);
if (!string_is_empty(
subsys_rom_info[j].valid_extensions))
free((char*)
subsys_rom_info[j].valid_extensions);
subsys_rom_info[j].desc =
strdup(info[i].roms[j].desc);
subsys_rom_info[j].valid_extensions =
strdup(info[i].roms[j].valid_extensions);
subsys_rom_info[j].required =
info[i].roms[j].required;
subsys_rom_info[j].block_extract =
info[i].roms[j].block_extract;
subsys_rom_info[j].need_fullpath =
info[i].roms[j].need_fullpath;
}
subsys_info->roms = subsys_rom_info;
}
runloop_st->subsystem_current_count =
size <= SUBSYSTEM_MAX_SUBSYSTEMS
? (unsigned)size
: SUBSYSTEM_MAX_SUBSYSTEMS;
}
break;
}
default:
return false;
}
return true;
}
#ifdef HAVE_DYNAMIC
/**
* libretro_get_environment_info:
* @func : Function pointer for get_environment_info.
* @load_no_content : If true, core should be able to auto-start
* without any content loaded.
*
* Sets environment callback in order to get statically known
* information from it.
*
* Fetched via environment callbacks instead of
* retro_get_system_info(), as this info is part of extensions.
*
* Should only be called once right after core load to
* avoid overwriting the "real" environ callback.
*
* For statically linked cores, pass retro_set_environment as argument.
*/
void libretro_get_environment_info(
void (*func)(retro_environment_t),
bool *load_no_content)
{
runloop_state_t *runloop_st = &runloop_state;
runloop_st->load_no_content_hook = load_no_content;
/* load_no_content gets set in this callback. */
func(runloop_environ_cb_get_system_info);
/* It's possible that we just set get_system_info callback
* to the currently running core.
*
* Make sure we reset it to the actual environment callback.
* Ignore any environment callbacks here in case we're running
* on the non-current core. */
runloop_st->flags |= RUNLOOP_FLAG_IGNORE_ENVIRONMENT_CB;
func(runloop_environment_cb);
runloop_st->flags &= ~RUNLOOP_FLAG_IGNORE_ENVIRONMENT_CB;
}
static dylib_t load_dynamic_core(const char *path, char *buf,
size_t size)
{
#if defined(ANDROID)
/* Can't resolve symlinks when dealing with cores
* installed via play feature delivery, because the
* source files have non-standard file names (which
* will not be recognised by regular core handling
* routines) */
bool resolve_symlinks = !play_feature_delivery_enabled();
#else
bool resolve_symlinks = true;
#endif
/* Can't lookup symbols in itself on UWP */
#if !(defined(__WINRT__) || defined(WINAPI_FAMILY) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
if (dylib_proc(NULL, "retro_init"))
{
/* Try to verify that -lretro was not linked in from other modules
* since loading it dynamically and with -l will fail hard. */
RARCH_ERR("Serious problem. RetroArch wants to load libretro cores"
" dynamically, but it is already linked.\n");
RARCH_ERR("This could happen if other modules RetroArch depends on "
"link against libretro directly.\n");
RARCH_ERR("Proceeding could cause a crash. Aborting ...\n");
retroarch_fail(1, "load_dynamic_core()");
}
#endif
/* Need to use absolute path for this setting. It can be
* saved to content history, and a relative path would
* break in that scenario. */
path_resolve_realpath(buf, size, resolve_symlinks);
return dylib_load(path);
}
static dylib_t libretro_get_system_info_lib(const char *path,
struct retro_system_info *sysinfo, bool *load_no_content)
{
dylib_t lib = dylib_load(path);
void (*proc)(struct retro_system_info*);
if (!lib)
return NULL;
proc = (void (*)(struct retro_system_info*))
dylib_proc(lib, "retro_get_system_info");
if (!proc)
{
dylib_close(lib);
return NULL;
}
proc(sysinfo);
if (load_no_content)
{
void (*set_environ)(retro_environment_t);
*load_no_content = false;
set_environ = (void (*)(retro_environment_t))
dylib_proc(lib, "retro_set_environment");
if (set_environ)
libretro_get_environment_info(set_environ, load_no_content);
}
return lib;
}
#endif
static void runloop_update_runtime_log(
runloop_state_t *runloop_st,
const char *dir_runtime_log,
const char *dir_playlist,
bool log_per_core)
{
/* Initialise runtime log file */
runtime_log_t *runtime_log = runtime_log_init(
runloop_st->runtime_content_path,
runloop_st->runtime_core_path,
dir_runtime_log,
dir_playlist,
log_per_core);
if (!runtime_log)
return;
/* Add additional runtime */
runtime_log_add_runtime_usec(runtime_log,
runloop_st->core_runtime_usec);
/* Update 'last played' entry */
runtime_log_set_last_played_now(runtime_log);
/* Save runtime log file */
runtime_log_save(runtime_log);
/* Clean up */
free(runtime_log);
}
void runloop_runtime_log_deinit(
runloop_state_t *runloop_st,
bool content_runtime_log,
bool content_runtime_log_aggregate,
const char *dir_runtime_log,
const char *dir_playlist)
{
if (verbosity_is_enabled())
{
char log[256] = {0};
unsigned hours = 0;
unsigned minutes = 0;
unsigned seconds = 0;
runtime_log_convert_usec2hms(
runloop_st->core_runtime_usec,
&hours, &minutes, &seconds);
/* TODO/FIXME - localize */
snprintf(log, sizeof(log),
"[Core]: Content ran for a total of:"
" %02u hours, %02u minutes, %02u seconds.",
hours, minutes, seconds);
RARCH_LOG("%s\n", log);
}
/* Only write to file if content has run for a non-zero length of time */
if (runloop_st->core_runtime_usec > 0)
{
/* Per core logging */
if (content_runtime_log)
runloop_update_runtime_log(runloop_st, dir_runtime_log, dir_playlist, true);
/* Aggregate logging */
if (content_runtime_log_aggregate)
runloop_update_runtime_log(runloop_st, dir_runtime_log, dir_playlist, false);
}
/* Reset runtime + content/core paths, to prevent any
* possibility of duplicate logging */
runloop_st->core_runtime_usec = 0;
memset(runloop_st->runtime_content_path, 0,
sizeof(runloop_st->runtime_content_path));
memset(runloop_st->runtime_core_path, 0,
sizeof(runloop_st->runtime_core_path));
}
static bool runloop_clear_all_thread_waits(
unsigned clear_threads, void *data)
{
/* Does this need to treat the microphone driver the same way? */
if (clear_threads > 0)
audio_driver_start(false);
else
audio_driver_stop();
return true;
}
static bool dynamic_verify_hw_context(
const char *video_ident,
bool driver_switch_enable,
enum retro_hw_context_type type,
unsigned minor, unsigned major)
{
if (!driver_switch_enable)
{
switch (type)
{
case RETRO_HW_CONTEXT_VULKAN:
if (!string_is_equal(video_ident, "vulkan"))
return false;
break;
#if defined(HAVE_OPENGL_CORE)
case RETRO_HW_CONTEXT_OPENGL_CORE:
if (!string_is_equal(video_ident, "glcore"))
return false;
break;
#else
case RETRO_HW_CONTEXT_OPENGL_CORE:
#endif
case RETRO_HW_CONTEXT_OPENGLES2:
case RETRO_HW_CONTEXT_OPENGLES3:
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
case RETRO_HW_CONTEXT_OPENGL:
if ( !string_is_equal(video_ident, "gl")
&& !string_is_equal(video_ident, "glcore"))
return false;
break;
case RETRO_HW_CONTEXT_D3D10:
if (!string_is_equal(video_ident, "d3d10"))
return false;
break;
case RETRO_HW_CONTEXT_D3D11:
if (!string_is_equal(video_ident, "d3d11"))
return false;
break;
case RETRO_HW_CONTEXT_D3D12:
if (!string_is_equal(video_ident, "d3d12"))
return false;
break;
default:
break;
}
}
return true;
}
static bool dynamic_request_hw_context(enum retro_hw_context_type type,
unsigned minor, unsigned major)
{
switch (type)
{
case RETRO_HW_CONTEXT_NONE:
RARCH_LOG("Requesting no HW context.\n");
break;
case RETRO_HW_CONTEXT_VULKAN:
#ifdef HAVE_VULKAN
RARCH_LOG("Requesting Vulkan context.\n");
break;
#else
RARCH_ERR("Requesting Vulkan context, but RetroArch is not compiled against Vulkan. Cannot use HW context.\n");
return false;
#endif
#if defined(HAVE_OPENGLES)
#if (defined(HAVE_OPENGLES2) || defined(HAVE_OPENGLES3))
case RETRO_HW_CONTEXT_OPENGLES2:
case RETRO_HW_CONTEXT_OPENGLES3:
RARCH_LOG("Requesting OpenGLES%u context.\n",
type == RETRO_HW_CONTEXT_OPENGLES2 ? 2 : 3);
break;
#if defined(HAVE_OPENGLES3)
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
#ifndef HAVE_OPENGLES3_2
if (major == 3 && minor == 2)
{
RARCH_ERR("Requesting OpenGLES%u.%u context, but RetroArch is compiled against a lesser version. Cannot use HW context.\n",
major, minor);
return false;
}
#endif
#if !defined(HAVE_OPENGLES3_2) && !defined(HAVE_OPENGLES3_1)
if (major == 3 && minor == 1)
{
RARCH_ERR("Requesting OpenGLES%u.%u context, but RetroArch is compiled against a lesser version. Cannot use HW context.\n",
major, minor);
return false;
}
#endif
RARCH_LOG("Requesting OpenGLES%u.%u context.\n",
major, minor);
break;
#endif
#endif
case RETRO_HW_CONTEXT_OPENGL:
case RETRO_HW_CONTEXT_OPENGL_CORE:
RARCH_ERR("Requesting OpenGL context, but RetroArch "
"is compiled against OpenGLES. Cannot use HW context.\n");
return false;
#elif defined(HAVE_OPENGL) || defined(HAVE_OPENGL_CORE)
case RETRO_HW_CONTEXT_OPENGLES2:
case RETRO_HW_CONTEXT_OPENGLES3:
RARCH_ERR("Requesting OpenGLES%u context, but RetroArch "
"is compiled against OpenGL. Cannot use HW context.\n",
type == RETRO_HW_CONTEXT_OPENGLES2 ? 2 : 3);
return false;
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
RARCH_ERR("Requesting OpenGLES%u.%u context, but RetroArch "
"is compiled against OpenGL. Cannot use HW context.\n",
major, minor);
return false;
case RETRO_HW_CONTEXT_OPENGL:
RARCH_LOG("Requesting OpenGL context.\n");
break;
case RETRO_HW_CONTEXT_OPENGL_CORE:
/* TODO/FIXME - we should do a check here to see if
* the requested core GL version is supported */
RARCH_LOG("Requesting core OpenGL context (%u.%u).\n",
major, minor);
break;
#endif
#if defined(HAVE_D3D11)
case RETRO_HW_CONTEXT_D3D11:
RARCH_LOG("Requesting D3D11 context.\n");
break;
#endif
#ifdef HAVE_D3D10
case RETRO_HW_CONTEXT_D3D10:
RARCH_LOG("Requesting D3D10 context.\n");
break;
#endif
#ifdef HAVE_D3D12
case RETRO_HW_CONTEXT_D3D12:
RARCH_LOG("Requesting D3D12 context.\n");
break;
#endif
#if defined(HAVE_D3D9)
case RETRO_HW_CONTEXT_D3D9:
RARCH_LOG("Requesting D3D9 context.\n");
break;
#endif
default:
RARCH_LOG("Requesting unknown context.\n");
return false;
}
return true;
}
static void libretro_log_cb(
enum retro_log_level level,
const char *fmt, ...)
{
va_list vp;
settings_t *settings = config_get_ptr();
unsigned libretro_log_level = settings->uints.libretro_log_level;
if ((unsigned)level < libretro_log_level)
return;
if (!verbosity_is_enabled())
return;
va_start(vp, fmt);
switch (level)
{
case RETRO_LOG_DEBUG:
RARCH_LOG_V("[libretro DEBUG]", fmt, vp);
break;
case RETRO_LOG_INFO:
RARCH_LOG_OUTPUT_V("[libretro INFO]", fmt, vp);
break;
case RETRO_LOG_WARN:
RARCH_WARN_V("[libretro WARN]", fmt, vp);
break;
case RETRO_LOG_ERROR:
RARCH_ERR_V("[libretro ERROR]", fmt, vp);
break;
default:
break;
}
va_end(vp);
}
static size_t mmap_add_bits_down(size_t n)
{
n |= n >> 1;
n |= n >> 2;
n |= n >> 4;
n |= n >> 8;
n |= n >> 16;
/* double shift to avoid warnings on 32bit (it's dead code,
* but compilers suck) */
if (sizeof(size_t) > 4)
n |= n >> 16 >> 16;
return n;
}
static size_t mmap_inflate(size_t addr, size_t mask)
{
while (mask)
{
size_t tmp = (mask - 1) & ~mask;
/* to put in an 1 bit instead, OR in tmp+1 */
addr = ((addr & ~tmp) << 1) | (addr & tmp);
mask = mask & (mask - 1);
}
return addr;
}
static size_t mmap_reduce(size_t addr, size_t mask)
{
while (mask)
{
size_t tmp = (mask - 1) & ~mask;
addr = (addr & tmp) | ((addr >> 1) & ~tmp);
mask = (mask & (mask - 1)) >> 1;
}
return addr;
}
static size_t mmap_highest_bit(size_t n)
{
n = mmap_add_bits_down(n);
return n ^ (n >> 1);
}
static bool mmap_preprocess_descriptors(
rarch_memory_descriptor_t *first, unsigned count)
{
size_t top_addr = 1;
rarch_memory_descriptor_t *desc = NULL;
const rarch_memory_descriptor_t *end = first + count;
size_t highest_reachable = 0;
for (desc = first; desc < end; desc++)
{
if (desc->core.select != 0)
top_addr |= desc->core.select;
else
top_addr |= desc->core.start + desc->core.len - 1;
}
top_addr = mmap_add_bits_down(top_addr);
for (desc = first; desc < end; desc++)
{
if (desc->core.select == 0)
{
if (desc->core.len == 0)
return false;
if ((desc->core.len & (desc->core.len - 1)) != 0)
return false;