RetroArch/dynamic.c

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/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2016 - Daniel De Matteis
*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* 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.
*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
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#include <ctype.h>
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#include <boolean.h>
#include <file/file_path.h>
#include <compat/strl.h>
#include <compat/posix_string.h>
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#include <dynamic/dylib.h>
#include <string/stdstring.h>
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#include <retro_assert.h>
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "dynamic.h"
#include "command_event.h"
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#include "audio/audio_driver.h"
#include "camera/camera_driver.h"
#include "location/location_driver.h"
#include "record/record_driver.h"
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#include "libretro_version_1.h"
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#include "performance.h"
#include "system.h"
#include "cores/internal_cores.h"
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#include "frontend/frontend_driver.h"
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#include "content.h"
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#include "retroarch.h"
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#include "configuration.h"
#include "general.h"
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#include "msg_hash.h"
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#include "verbosity.h"
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#ifdef HAVE_DYNAMIC
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#define SYMBOL(x) do { \
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function_t func = dylib_proc(lib_handle, #x); \
memcpy(&current_core->x, &func, sizeof(func)); \
if (current_core->x == NULL) { RARCH_ERR("Failed to load symbol: \"%s\"\n", #x); retro_fail(1, "init_libretro_sym()"); } \
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} while (0)
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static dylib_t lib_handle;
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#else
#define SYMBOL(x) current_core->x = x
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#endif
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#define SYMBOL_DUMMY(x) current_core->x = libretro_dummy_##x
#ifdef HAVE_FFMPEG
#define SYMBOL_FFMPEG(x) current_core->x = libretro_ffmpeg_##x
#endif
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#ifdef HAVE_IMAGEVIEWER
#define SYMBOL_IMAGEVIEWER(x) current_core->x = libretro_imageviewer_##x
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#endif
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static bool ignore_environment_cb;
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const struct retro_subsystem_info *libretro_find_subsystem_info(
const struct retro_subsystem_info *info, unsigned num_info,
const char *ident)
{
unsigned i;
for (i = 0; i < num_info; i++)
{
if (string_is_equal(info[i].ident, ident))
return &info[i];
else if (string_is_equal(info[i].desc, ident))
return &info[i];
}
return NULL;
}
/**
* libretro_find_controller_description:
* @info : Pointer to controller info handle.
* @id : Identifier of controller to search
* for.
*
* Search for a controller of type @id in @info.
*
* Returns: controller description of found controller on success,
* otherwise NULL.
**/
const struct retro_controller_description *
libretro_find_controller_description(
const struct retro_controller_info *info, unsigned id)
{
unsigned i;
for (i = 0; i < info->num_types; i++)
{
if (info->types[i].id != id)
continue;
return &info->types[i];
}
return NULL;
}
/**
* libretro_free_system_info:
* @info : Pointer to system info information.
*
* Frees system information.
**/
void libretro_free_system_info(struct retro_system_info *info)
{
if (!info)
return;
free((void*)info->library_name);
free((void*)info->library_version);
free((void*)info->valid_extensions);
memset(info, 0, sizeof(*info));
}
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static bool *load_no_content_hook;
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static bool environ_cb_get_system_info(unsigned cmd, void *data)
{
switch (cmd)
{
case RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME:
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*load_no_content_hook = *(const bool*)data;
break;
default:
return false;
}
return true;
}
#ifndef HAVE_DYNAMIC
bool libretro_get_system_info_static(struct retro_system_info *info,
bool *load_no_content)
{
struct retro_system_info dummy_info = {0};
if (load_no_content)
{
load_no_content_hook = load_no_content;
/* load_no_content gets set in this callback. */
retro_set_environment(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. */
ignore_environment_cb = true;
retro_set_environment(rarch_environment_cb);
ignore_environment_cb = false;
}
retro_get_system_info(&dummy_info);
memcpy(info, &dummy_info, sizeof(*info));
info->library_name = strdup(dummy_info.library_name);
info->library_version = strdup(dummy_info.library_version);
if (dummy_info.valid_extensions)
info->valid_extensions = strdup(dummy_info.valid_extensions);
return true;
}
#endif
#ifdef HAVE_DYNAMIC
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/**
* 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
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* 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
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* avoid overwriting the "real" environ callback.
*
* For statically linked cores, pass retro_set_environment as argument.
*/
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void libretro_get_environment_info(void (*func)(retro_environment_t),
bool *load_no_content)
{
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load_no_content_hook = load_no_content;
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/* load_no_content gets set in this callback. */
func(environ_cb_get_system_info);
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/* It's possible that we just set get_system_info callback
* to the currently running core.
*
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* Make sure we reset it to the actual environment callback.
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* Ignore any environment callbacks here in case we're running
* on the non-current core. */
ignore_environment_cb = true;
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func(rarch_environment_cb);
ignore_environment_cb = false;
}
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static dylib_t libretro_get_system_info_lib(const char *path,
struct retro_system_info *info, bool *load_no_content)
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{
dylib_t lib = dylib_load(path);
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void (*proc)(struct retro_system_info*);
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if (!lib)
{
RARCH_ERR("Failed to open libretro core: \"%s\"\n",
path);
RARCH_ERR("Error(s): %s\n", dylib_error());
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return NULL;
}
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proc = (void (*)(struct retro_system_info*))
dylib_proc(lib, "retro_get_system_info");
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if (!proc)
{
dylib_close(lib);
return NULL;
}
proc(info);
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if (load_no_content)
{
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void (*set_environ)(retro_environment_t);
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*load_no_content = false;
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set_environ = (void (*)(retro_environment_t))
dylib_proc(lib, "retro_set_environment");
if (!set_environ)
return lib;
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libretro_get_environment_info(set_environ, load_no_content);
}
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return lib;
}
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/**
* libretro_get_system_info:
* @path : Path to libretro library.
* @info : Pointer to system info information.
* @load_no_content : If true, core should be able to auto-start
* without any content loaded.
*
* Gets system info from an arbitrary lib.
* The struct returned must be freed as strings are allocated dynamically.
*
* Returns: true (1) if successful, otherwise false (0).
**/
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bool libretro_get_system_info(const char *path,
struct retro_system_info *info, bool *load_no_content)
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{
struct retro_system_info dummy_info = {0};
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dylib_t lib = libretro_get_system_info_lib(path,
&dummy_info, load_no_content);
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if (!lib)
return false;
memcpy(info, &dummy_info, sizeof(*info));
info->library_name = strdup(dummy_info.library_name);
info->library_version = strdup(dummy_info.library_version);
if (dummy_info.valid_extensions)
info->valid_extensions = strdup(dummy_info.valid_extensions);
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dylib_close(lib);
return true;
}
static void load_dynamic_core(void)
{
settings_t *settings = config_get_ptr();
function_t sym = dylib_proc(NULL, "retro_init");
if (sym)
{
/* Try to verify that -lretro was not linked in from other modules
* since loading it dynamically and with -l will fail hard. */
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RARCH_ERR("Serious problem. RetroArch wants to load libretro cores"
"dyamically, 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");
retro_fail(1, "init_libretro_sym()");
}
if (!*settings->libretro)
{
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RARCH_ERR("RetroArch is built for dynamic libretro cores, but "
"libretro_path is not set. Cannot continue.\n");
retro_fail(1, "init_libretro_sym()");
}
/* 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(settings->libretro, sizeof(settings->libretro));
RARCH_LOG("Loading dynamic libretro core from: \"%s\"\n",
settings->libretro);
lib_handle = dylib_load(settings->libretro);
if (!lib_handle)
{
RARCH_ERR("Failed to open libretro core: \"%s\"\n",
settings->libretro);
RARCH_ERR("Error(s): %s\n", dylib_error());
retro_fail(1, "load_dynamic()");
}
}
#endif
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/**
* load_symbols:
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* @type : Type of core to be loaded.
* If CORE_TYPE_DUMMY, will
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* load dummy symbols.
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*
* Setup libretro callback symbols.
**/
static void load_symbols(enum rarch_core_type type, struct retro_core_t *current_core)
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{
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switch (type)
{
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case CORE_TYPE_PLAIN:
#ifdef HAVE_DYNAMIC
load_dynamic_core();
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#endif
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SYMBOL(retro_init);
SYMBOL(retro_deinit);
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SYMBOL(retro_api_version);
SYMBOL(retro_get_system_info);
SYMBOL(retro_get_system_av_info);
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SYMBOL(retro_set_environment);
SYMBOL(retro_set_video_refresh);
SYMBOL(retro_set_audio_sample);
SYMBOL(retro_set_audio_sample_batch);
SYMBOL(retro_set_input_poll);
SYMBOL(retro_set_input_state);
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SYMBOL(retro_set_controller_port_device);
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SYMBOL(retro_reset);
SYMBOL(retro_run);
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SYMBOL(retro_serialize_size);
SYMBOL(retro_serialize);
SYMBOL(retro_unserialize);
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SYMBOL(retro_cheat_reset);
SYMBOL(retro_cheat_set);
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SYMBOL(retro_load_game);
SYMBOL(retro_load_game_special);
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SYMBOL(retro_unload_game);
SYMBOL(retro_get_region);
SYMBOL(retro_get_memory_data);
SYMBOL(retro_get_memory_size);
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break;
case CORE_TYPE_DUMMY:
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SYMBOL_DUMMY(retro_init);
SYMBOL_DUMMY(retro_deinit);
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SYMBOL_DUMMY(retro_api_version);
SYMBOL_DUMMY(retro_get_system_info);
SYMBOL_DUMMY(retro_get_system_av_info);
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SYMBOL_DUMMY(retro_set_environment);
SYMBOL_DUMMY(retro_set_video_refresh);
SYMBOL_DUMMY(retro_set_audio_sample);
SYMBOL_DUMMY(retro_set_audio_sample_batch);
SYMBOL_DUMMY(retro_set_input_poll);
SYMBOL_DUMMY(retro_set_input_state);
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SYMBOL_DUMMY(retro_set_controller_port_device);
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SYMBOL_DUMMY(retro_reset);
SYMBOL_DUMMY(retro_run);
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SYMBOL_DUMMY(retro_serialize_size);
SYMBOL_DUMMY(retro_serialize);
SYMBOL_DUMMY(retro_unserialize);
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SYMBOL_DUMMY(retro_cheat_reset);
SYMBOL_DUMMY(retro_cheat_set);
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SYMBOL_DUMMY(retro_load_game);
SYMBOL_DUMMY(retro_load_game_special);
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SYMBOL_DUMMY(retro_unload_game);
SYMBOL_DUMMY(retro_get_region);
SYMBOL_DUMMY(retro_get_memory_data);
SYMBOL_DUMMY(retro_get_memory_size);
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break;
case CORE_TYPE_FFMPEG:
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#ifdef HAVE_FFMPEG
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SYMBOL_FFMPEG(retro_init);
SYMBOL_FFMPEG(retro_deinit);
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SYMBOL_FFMPEG(retro_api_version);
SYMBOL_FFMPEG(retro_get_system_info);
SYMBOL_FFMPEG(retro_get_system_av_info);
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SYMBOL_FFMPEG(retro_set_environment);
SYMBOL_FFMPEG(retro_set_video_refresh);
SYMBOL_FFMPEG(retro_set_audio_sample);
SYMBOL_FFMPEG(retro_set_audio_sample_batch);
SYMBOL_FFMPEG(retro_set_input_poll);
SYMBOL_FFMPEG(retro_set_input_state);
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SYMBOL_FFMPEG(retro_set_controller_port_device);
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SYMBOL_FFMPEG(retro_reset);
SYMBOL_FFMPEG(retro_run);
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SYMBOL_FFMPEG(retro_serialize_size);
SYMBOL_FFMPEG(retro_serialize);
SYMBOL_FFMPEG(retro_unserialize);
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SYMBOL_FFMPEG(retro_cheat_reset);
SYMBOL_FFMPEG(retro_cheat_set);
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SYMBOL_FFMPEG(retro_load_game);
SYMBOL_FFMPEG(retro_load_game_special);
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SYMBOL_FFMPEG(retro_unload_game);
SYMBOL_FFMPEG(retro_get_region);
SYMBOL_FFMPEG(retro_get_memory_data);
SYMBOL_FFMPEG(retro_get_memory_size);
#endif
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break;
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case CORE_TYPE_IMAGEVIEWER:
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#ifdef HAVE_IMAGEVIEWER
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SYMBOL_IMAGEVIEWER(retro_init);
SYMBOL_IMAGEVIEWER(retro_deinit);
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SYMBOL_IMAGEVIEWER(retro_api_version);
SYMBOL_IMAGEVIEWER(retro_get_system_info);
SYMBOL_IMAGEVIEWER(retro_get_system_av_info);
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SYMBOL_IMAGEVIEWER(retro_set_environment);
SYMBOL_IMAGEVIEWER(retro_set_video_refresh);
SYMBOL_IMAGEVIEWER(retro_set_audio_sample);
SYMBOL_IMAGEVIEWER(retro_set_audio_sample_batch);
SYMBOL_IMAGEVIEWER(retro_set_input_poll);
SYMBOL_IMAGEVIEWER(retro_set_input_state);
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SYMBOL_IMAGEVIEWER(retro_set_controller_port_device);
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SYMBOL_IMAGEVIEWER(retro_reset);
SYMBOL_IMAGEVIEWER(retro_run);
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SYMBOL_IMAGEVIEWER(retro_serialize_size);
SYMBOL_IMAGEVIEWER(retro_serialize);
SYMBOL_IMAGEVIEWER(retro_unserialize);
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SYMBOL_IMAGEVIEWER(retro_cheat_reset);
SYMBOL_IMAGEVIEWER(retro_cheat_set);
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SYMBOL_IMAGEVIEWER(retro_load_game);
SYMBOL_IMAGEVIEWER(retro_load_game_special);
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SYMBOL_IMAGEVIEWER(retro_unload_game);
SYMBOL_IMAGEVIEWER(retro_get_region);
SYMBOL_IMAGEVIEWER(retro_get_memory_data);
SYMBOL_IMAGEVIEWER(retro_get_memory_size);
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#endif
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break;
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}
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}
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/**
* libretro_get_current_core_pathname:
* @name : Sanitized name of libretro core.
* @size : Size of @name
*
* Transforms a library id to a name suitable as a pathname.
**/
void libretro_get_current_core_pathname(char *name, size_t size)
{
size_t i;
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struct retro_system_info info;
const char *id = msg_hash_to_str(MSG_UNKNOWN);
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if (size == 0)
return;
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core_ctl(CORE_CTL_RETRO_GET_SYSTEM_INFO, &info);
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if (info.library_name)
id = info.library_name;
if (!id || strlen(id) >= size)
{
name[0] = '\0';
return;
}
name[strlen(id)] = '\0';
for (i = 0; id[i] != '\0'; i++)
{
char c = id[i];
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if (isspace((int)c) || isblank((int)c))
name[i] = '_';
else
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name[i] = tolower((int)c);
}
}
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/**
* init_libretro_sym:
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* @type : Type of core to be loaded.
* If CORE_TYPE_DUMMY, will
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* load dummy symbols.
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*
* Initializes libretro symbols and
* setups environment callback functions.
**/
void init_libretro_sym(enum rarch_core_type type, struct retro_core_t *current_core)
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{
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/* Guarantee that we can do "dirty" casting.
* Every OS that this program supports should pass this. */
retro_assert(sizeof(void*) == sizeof(void (*)(void)));
load_symbols(type, current_core);
2010-12-30 12:54:49 +00:00
}
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/**
* uninit_libretro_sym:
*
* Frees libretro core.
*
* Frees all core options,
* associated state, and
* unbind all libretro callback symbols.
**/
2016-01-28 02:36:14 +00:00
void uninit_libretro_sym(struct retro_core_t *current_core)
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{
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#ifdef HAVE_DYNAMIC
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if (lib_handle)
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dylib_close(lib_handle);
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lib_handle = NULL;
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#endif
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memset(current_core, 0, sizeof(struct retro_core_t));
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runloop_ctl(RUNLOOP_CTL_CORE_OPTIONS_DEINIT, NULL);
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runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_FREE, NULL);
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runloop_ctl(RUNLOOP_CTL_FRAME_TIME_FREE, NULL);
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camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_ACTIVE, NULL);
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location_driver_ctl(RARCH_LOCATION_CTL_UNSET_ACTIVE, NULL);
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/* Performance counters no longer valid. */
retro_perf_clear();
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}
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static void rarch_log_libretro(enum retro_log_level level,
const char *fmt, ...)
{
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va_list vp;
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settings_t *settings = config_get_ptr();
if ((unsigned)level < settings->libretro_log_level)
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);
}
2015-01-15 01:48:40 +00:00
/**
* rarch_environment_cb:
* @cmd : Identifier of command.
* @data : Pointer to data.
*
* Environment callback function implementation.
*
* Returns: true (1) if environment callback command could
* be performed, otherwise false (0).
**/
bool rarch_environment_cb(unsigned cmd, void *data)
{
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unsigned p;
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
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rarch_system_info_t *system = NULL;
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
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2014-09-21 12:33:51 +00:00
if (ignore_environment_cb)
return false;
switch (cmd)
{
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case RETRO_ENVIRONMENT_GET_OVERSCAN:
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*(bool*)data = !settings->video.crop_overscan;
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RARCH_LOG("Environ GET_OVERSCAN: %u\n",
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(unsigned)!settings->video.crop_overscan);
2011-11-09 21:18:48 +00:00
break;
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case RETRO_ENVIRONMENT_GET_CAN_DUPE:
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*(bool*)data = true;
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RARCH_LOG("Environ GET_CAN_DUPE: true\n");
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break;
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case RETRO_ENVIRONMENT_GET_VARIABLE:
if (!runloop_ctl(RUNLOOP_CTL_CORE_OPTIONS_GET, data))
{
struct retro_variable *var = (struct retro_variable*)data;
if (var) {
2015-12-26 00:16:33 +00:00
RARCH_LOG("Environ GET_VARIABLE %s: not implemented.\n", var->key);
var->value = NULL;
}
}
break;
2013-04-04 11:58:30 +00:00
case RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE:
*(bool*)data = runloop_ctl(RUNLOOP_CTL_IS_CORE_OPTION_UPDATED, NULL);
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break;
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case RETRO_ENVIRONMENT_SET_VARIABLES:
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RARCH_LOG("Environ SET_VARIABLES.\n");
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runloop_ctl(RUNLOOP_CTL_CORE_OPTIONS_DEINIT, NULL);
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runloop_ctl(RUNLOOP_CTL_CORE_OPTIONS_INIT, data);
2013-04-04 11:58:30 +00:00
2012-02-06 15:13:29 +00:00
break;
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case RETRO_ENVIRONMENT_SET_MESSAGE:
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{
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const struct retro_message *msg = (const struct retro_message*)data;
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RARCH_LOG("Environ SET_MESSAGE: %s\n", msg->msg);
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runloop_msg_queue_push(msg->msg, 1, msg->frames, true);
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break;
}
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case RETRO_ENVIRONMENT_SET_ROTATION:
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{
unsigned rotation = *(const unsigned*)data;
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RARCH_LOG("Environ SET_ROTATION: %u\n", rotation);
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if (!settings->video.allow_rotate)
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break;
system->rotation = rotation;
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2015-03-22 09:38:26 +00:00
if (!video_driver_set_rotation(rotation))
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return false;
break;
}
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case RETRO_ENVIRONMENT_SHUTDOWN:
RARCH_LOG("Environ SHUTDOWN.\n");
runloop_ctl(RUNLOOP_CTL_SET_SHUTDOWN, NULL);
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runloop_ctl(RUNLOOP_CTL_SET_CORE_SHUTDOWN, NULL);
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break;
case RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL:
system->performance_level = *(const unsigned*)data;
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RARCH_LOG("Environ PERFORMANCE_LEVEL: %u.\n",
system->performance_level);
break;
case RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY:
if (string_is_empty(settings->system_directory))
{
char *fullpath = NULL;
2015-11-30 20:42:59 +00:00
runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath);
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RARCH_WARN("SYSTEM DIR is empty, assume CONTENT DIR %s\n",
fullpath);
fill_pathname_basedir(global->dir.systemdir, fullpath,
sizeof(global->dir.systemdir));
*(const char**)data = global->dir.systemdir;
RARCH_LOG("Environ SYSTEM_DIRECTORY: \"%s\".\n",
global->dir.systemdir);
}
else
{
*(const char**)data = settings->system_directory;
RARCH_LOG("Environ SYSTEM_DIRECTORY: \"%s\".\n",
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settings->system_directory);
}
break;
2014-02-07 07:14:02 +00:00
case RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY:
*(const char**)data = rarch_get_current_savefile_dir();
break;
2014-08-01 02:37:00 +00:00
case RETRO_ENVIRONMENT_GET_USERNAME:
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*(const char**)data = *settings->username ?
settings->username : NULL;
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RARCH_LOG("Environ GET_USERNAME: \"%s\".\n",
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settings->username);
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break;
case RETRO_ENVIRONMENT_GET_LANGUAGE:
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*(unsigned *)data = settings->user_language;
RARCH_LOG("Environ GET_LANGUAGE: \"%u\".\n",
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settings->user_language);
break;
2012-06-16 13:07:31 +00:00
case RETRO_ENVIRONMENT_SET_PIXEL_FORMAT:
{
enum retro_pixel_format pix_fmt =
2014-09-02 03:57:53 +00:00
*(const enum retro_pixel_format*)data;
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switch (pix_fmt)
{
case RETRO_PIXEL_FORMAT_0RGB1555:
RARCH_LOG("Environ SET_PIXEL_FORMAT: 0RGB1555.\n");
break;
case RETRO_PIXEL_FORMAT_RGB565:
RARCH_LOG("Environ SET_PIXEL_FORMAT: RGB565.\n");
break;
2012-06-16 13:07:31 +00:00
case RETRO_PIXEL_FORMAT_XRGB8888:
RARCH_LOG("Environ SET_PIXEL_FORMAT: XRGB8888.\n");
break;
default:
return false;
}
2015-05-20 18:59:12 +00:00
video_driver_set_pixel_format(pix_fmt);
2012-06-16 13:07:31 +00:00
break;
}
case RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS:
{
2016-01-26 04:06:11 +00:00
unsigned retro_id;
2015-01-09 20:30:07 +00:00
const struct retro_input_descriptor *desc = NULL;
2015-06-26 15:46:13 +00:00
static const char *libretro_btn_desc[] = {
"B (bottom)", "Y (left)", "Select", "Start",
"D-Pad Up", "D-Pad Down", "D-Pad Left", "D-Pad Right",
"A (right)", "X (up)",
"L", "R", "L2", "R2", "L3", "R3",
};
memset(system->input_desc_btn, 0,
sizeof(system->input_desc_btn));
2014-09-02 03:57:53 +00:00
2015-01-09 20:30:07 +00:00
desc = (const struct retro_input_descriptor*)data;
for (; desc->description; desc++)
{
2016-01-26 04:06:11 +00:00
unsigned retro_port = desc->port;
retro_id = desc->id;
2015-01-15 01:48:40 +00:00
2015-01-05 00:58:00 +00:00
if (desc->port >= MAX_USERS)
continue;
2014-09-02 03:57:53 +00:00
/* Ignore all others for now. */
if (desc->device != RETRO_DEVICE_JOYPAD &&
desc->device != RETRO_DEVICE_ANALOG)
continue;
2012-10-01 20:15:48 +00:00
if (desc->id >= RARCH_FIRST_CUSTOM_BIND)
continue;
if (desc->device == RETRO_DEVICE_ANALOG)
{
2014-12-05 13:29:40 +00:00
switch (retro_id)
{
case RETRO_DEVICE_ID_ANALOG_X:
switch (desc->index)
{
case RETRO_DEVICE_INDEX_ANALOG_LEFT:
2016-01-26 04:03:41 +00:00
system->input_desc_btn[retro_port]
[RARCH_ANALOG_LEFT_X_PLUS] = desc->description;
system->input_desc_btn[retro_port]
[RARCH_ANALOG_LEFT_X_MINUS] = desc->description;
break;
case RETRO_DEVICE_INDEX_ANALOG_RIGHT:
2016-01-26 04:03:41 +00:00
system->input_desc_btn[retro_port]
[RARCH_ANALOG_RIGHT_X_PLUS] = desc->description;
system->input_desc_btn[retro_port]
[RARCH_ANALOG_RIGHT_X_MINUS] = desc->description;
break;
}
break;
case RETRO_DEVICE_ID_ANALOG_Y:
switch (desc->index)
{
case RETRO_DEVICE_INDEX_ANALOG_LEFT:
2016-01-26 04:03:41 +00:00
system->input_desc_btn[retro_port]
[RARCH_ANALOG_LEFT_Y_PLUS] = desc->description;
system->input_desc_btn[retro_port]
[RARCH_ANALOG_LEFT_Y_MINUS] = desc->description;
break;
case RETRO_DEVICE_INDEX_ANALOG_RIGHT:
2016-01-26 04:03:41 +00:00
system->input_desc_btn[retro_port]
[RARCH_ANALOG_RIGHT_Y_PLUS] = desc->description;
system->input_desc_btn[retro_port]
[RARCH_ANALOG_RIGHT_Y_MINUS] = desc->description;
break;
}
break;
}
}
else
2016-01-26 04:03:41 +00:00
system->input_desc_btn[retro_port]
[retro_id] = desc->description;
}
RARCH_LOG("Environ SET_INPUT_DESCRIPTORS:\n");
2015-03-20 18:48:23 +00:00
for (p = 0; p < settings->input.max_users; p++)
{
2014-12-05 13:29:40 +00:00
for (retro_id = 0; retro_id < RARCH_FIRST_CUSTOM_BIND; retro_id++)
{
const char *description = system->input_desc_btn[p][retro_id];
2015-01-09 20:30:07 +00:00
2015-01-15 01:48:40 +00:00
if (!description)
continue;
RARCH_LOG("\tRetroPad, User %u, Button \"%s\" => \"%s\"\n",
p + 1, libretro_btn_desc[retro_id], description);
}
}
2016-04-05 22:20:14 +00:00
core_ctl(CORE_CTL_SET_INPUT_DESCRIPTORS, NULL);
break;
}
case RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK:
{
retro_keyboard_event_t *frontend_key_event = NULL;
retro_keyboard_event_t *key_event = NULL;
const struct retro_keyboard_callback *info =
2014-09-02 03:57:53 +00:00
(const struct retro_keyboard_callback*)data;
2015-01-09 20:30:07 +00:00
runloop_ctl(RUNLOOP_CTL_FRONTEND_KEY_EVENT_GET, &frontend_key_event);
2015-12-13 13:31:06 +00:00
runloop_ctl(RUNLOOP_CTL_KEY_EVENT_GET, &key_event);
2015-01-09 20:30:07 +00:00
RARCH_LOG("Environ SET_KEYBOARD_CALLBACK.\n");
if (key_event)
*key_event = info->callback;
if (frontend_key_event)
*frontend_key_event = *key_event;
break;
}
case RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE:
RARCH_LOG("Environ SET_DISK_CONTROL_INTERFACE.\n");
2016-03-04 19:00:49 +00:00
system->disk_control_cb =
2014-09-02 03:57:53 +00:00
*(const struct retro_disk_control_callback*)data;
break;
2013-03-27 15:15:15 +00:00
case RETRO_ENVIRONMENT_SET_HW_RENDER:
2014-09-02 03:57:53 +00:00
case RETRO_ENVIRONMENT_SET_HW_RENDER | RETRO_ENVIRONMENT_EXPERIMENTAL:
2013-03-27 15:15:15 +00:00
{
struct retro_hw_render_callback *hwr = NULL;
struct retro_hw_render_callback *cb =
2014-09-02 03:57:53 +00:00
(struct retro_hw_render_callback*)data;
video_driver_ctl(RARCH_DISPLAY_CTL_HW_CONTEXT_GET, &hwr);
2015-01-09 20:30:07 +00:00
RARCH_LOG("Environ SET_HW_RENDER.\n");
switch (cb->context_type)
{
case RETRO_HW_CONTEXT_NONE:
RARCH_LOG("Requesting no HW context.\n");
break;
2016-02-16 19:24:00 +00:00
#ifdef HAVE_VULKAN
case RETRO_HW_CONTEXT_VULKAN:
RARCH_LOG("Requesting Vulkan context.\n");
break;
#else
case RETRO_HW_CONTEXT_VULKAN:
RARCH_ERR("Requesting Vulkan context, but RetroArch is not compiled against Vulkan. Cannot use HW context.\n");
return false;
#endif
#if defined(HAVE_OPENGLES2)
case RETRO_HW_CONTEXT_OPENGLES2:
#if defined(HAVE_OPENGLES3)
case RETRO_HW_CONTEXT_OPENGLES3:
#endif
RARCH_LOG("Requesting OpenGLES%u context.\n",
cb->context_type == RETRO_HW_CONTEXT_OPENGLES2 ? 2 : 3);
break;
2014-05-03 13:21:14 +00:00
#if defined(HAVE_OPENGLES3)
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
RARCH_LOG("Requesting OpenGLES%u.%u context.\n",
cb->version_major, cb->version_minor);
break;
2014-06-16 19:02:42 +00:00
#endif
2014-05-03 13:21:14 +00:00
case RETRO_HW_CONTEXT_OPENGL:
case RETRO_HW_CONTEXT_OPENGL_CORE:
2016-01-26 04:03:41 +00:00
RARCH_ERR("Requesting OpenGL context, but RetroArch "
"is compiled against OpenGLES2. Cannot use HW context.\n");
return false;
#elif defined(HAVE_OPENGL)
case RETRO_HW_CONTEXT_OPENGLES2:
case RETRO_HW_CONTEXT_OPENGLES3:
2016-01-26 04:03:41 +00:00
RARCH_ERR("Requesting OpenGLES%u context, but RetroArch "
"is compiled against OpenGL. Cannot use HW context.\n",
cb->context_type == RETRO_HW_CONTEXT_OPENGLES2 ? 2 : 3);
return false;
2014-05-03 13:21:14 +00:00
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
2016-01-26 04:03:41 +00:00
RARCH_ERR("Requesting OpenGLES%u.%u context, but RetroArch "
"is compiled against OpenGL. Cannot use HW context.\n",
2014-05-03 13:21:14 +00:00
cb->version_major, cb->version_minor);
return false;
case RETRO_HW_CONTEXT_OPENGL:
RARCH_LOG("Requesting OpenGL context.\n");
break;
case RETRO_HW_CONTEXT_OPENGL_CORE:
2014-09-02 03:57:53 +00:00
RARCH_LOG("Requesting core OpenGL context (%u.%u).\n",
cb->version_major, cb->version_minor);
break;
#endif
default:
RARCH_LOG("Requesting unknown context.\n");
return false;
}
cb->get_current_framebuffer = video_driver_get_current_framebuffer;
cb->get_proc_address = video_driver_get_proc_address;
2016-01-26 04:03:41 +00:00
/* Old ABI. Don't copy garbage. */
if (cmd & RETRO_ENVIRONMENT_EXPERIMENTAL)
memcpy(hwr,
2014-09-02 03:57:53 +00:00
cb, offsetof(struct retro_hw_render_callback, stencil));
else
memcpy(hwr, cb, sizeof(*cb));
2013-03-27 15:15:15 +00:00
break;
}
case RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME:
{
bool state = *(const bool*)data;
RARCH_LOG("Environ SET_SUPPORT_NO_GAME: %s.\n", state ? "yes" : "no");
2016-03-02 05:20:36 +00:00
if (state)
content_ctl(CONTENT_CTL_SET_DOES_NOT_NEED_CONTENT, NULL);
else
content_ctl(CONTENT_CTL_UNSET_DOES_NOT_NEED_CONTENT, NULL);
break;
}
case RETRO_ENVIRONMENT_GET_LIBRETRO_PATH:
{
const char **path = (const char**)data;
2016-01-25 06:02:26 +00:00
*path = NULL;
#ifdef HAVE_DYNAMIC
2015-03-20 18:48:23 +00:00
*path = settings->libretro;
#endif
break;
}
/* FIXME - PS3 audio driver needs to be fixed so that threaded
* audio works correctly (audio is already on a thread for PS3
2014-09-02 03:57:53 +00:00
* audio driver so that's probably the problem) */
#if defined(HAVE_THREADS) && !defined(__CELLOS_LV2__)
case RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK:
{
2015-06-26 15:46:13 +00:00
RARCH_LOG("Environ SET_AUDIO_CALLBACK.\n");
audio_driver_ctl(RARCH_AUDIO_CTL_SET_CALLBACK, data);
break;
}
#endif
case RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK:
2013-07-14 11:43:01 +00:00
{
RARCH_LOG("Environ SET_FRAME_TIME_CALLBACK.\n");
runloop_ctl(RUNLOOP_CTL_SET_FRAME_TIME, data);
break;
2013-07-14 11:43:01 +00:00
}
case RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE:
{
struct retro_rumble_interface *iface =
2014-09-02 03:57:53 +00:00
(struct retro_rumble_interface*)data;
2015-01-09 20:30:07 +00:00
RARCH_LOG("Environ GET_RUMBLE_INTERFACE.\n");
iface->set_rumble_state = input_driver_set_rumble_state;
break;
}
case RETRO_ENVIRONMENT_GET_INPUT_DEVICE_CAPABILITIES:
{
uint64_t *mask = (uint64_t*)data;
2015-01-09 20:30:07 +00:00
RARCH_LOG("Environ GET_INPUT_DEVICE_CAPABILITIES.\n");
if (input_driver_ctl(RARCH_INPUT_CTL_HAS_CAPABILITIES, NULL))
2015-03-23 03:18:27 +00:00
*mask = input_driver_get_capabilities();
else
return false;
break;
}
case RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE:
{
struct retro_sensor_interface *iface =
2014-09-02 03:57:53 +00:00
(struct retro_sensor_interface*)data;
2015-01-09 20:30:07 +00:00
RARCH_LOG("Environ GET_SENSOR_INTERFACE.\n");
2015-01-18 18:28:51 +00:00
iface->set_sensor_state = input_sensor_set_state;
iface->get_sensor_input = input_sensor_get_input;
break;
}
case RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE:
{
2014-09-02 03:57:53 +00:00
struct retro_camera_callback *cb =
(struct retro_camera_callback*)data;
2015-01-09 20:30:07 +00:00
RARCH_LOG("Environ GET_CAMERA_INTERFACE.\n");
2016-03-04 17:16:07 +00:00
cb->start = driver_camera_start;
cb->stop = driver_camera_stop;
camera_driver_ctl(RARCH_CAMERA_CTL_SET_CB, cb);
2015-12-05 13:39:52 +00:00
if (cb->caps != 0)
camera_driver_ctl(RARCH_CAMERA_CTL_SET_ACTIVE, NULL);
else
camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_ACTIVE, NULL);
break;
}
case RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE:
{
2014-09-02 03:57:53 +00:00
struct retro_location_callback *cb =
(struct retro_location_callback*)data;
2015-01-09 20:30:07 +00:00
RARCH_LOG("Environ GET_LOCATION_INTERFACE.\n");
cb->start = driver_location_start;
cb->stop = driver_location_stop;
cb->get_position = driver_location_get_position;
cb->set_interval = driver_location_set_interval;
2016-03-04 19:00:49 +00:00
system->location_cb = *cb;
2015-12-05 14:40:29 +00:00
location_driver_ctl(RARCH_LOCATION_CTL_UNSET_ACTIVE, NULL);
break;
}
case RETRO_ENVIRONMENT_GET_LOG_INTERFACE:
{
struct retro_log_callback *cb = (struct retro_log_callback*)data;
2015-01-09 20:30:07 +00:00
RARCH_LOG("Environ GET_LOG_INTERFACE.\n");
cb->log = rarch_log_libretro;
break;
}
case RETRO_ENVIRONMENT_GET_PERF_INTERFACE:
{
struct retro_perf_callback *cb = (struct retro_perf_callback*)data;
2015-01-09 20:30:07 +00:00
RARCH_LOG("Environ GET_PERF_INTERFACE.\n");
2015-09-20 08:02:47 +00:00
cb->get_time_usec = retro_get_time_usec;
cb->get_cpu_features = retro_get_cpu_features;
cb->get_perf_counter = retro_get_perf_counter;
2016-01-26 04:03:41 +00:00
cb->perf_register = retro_perf_register;
2015-09-20 08:02:47 +00:00
cb->perf_start = retro_perf_start;
cb->perf_stop = retro_perf_stop;
2016-01-26 04:03:41 +00:00
cb->perf_log = retro_perf_log;
break;
}
case RETRO_ENVIRONMENT_GET_CORE_ASSETS_DIRECTORY:
{
const char **dir = (const char**)data;
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*dir = *settings->core_assets_directory ?
settings->core_assets_directory : NULL;
RARCH_LOG("Environ CORE_ASSETS_DIRECTORY: \"%s\".\n",
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settings->core_assets_directory);
break;
}
case RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO:
{
RARCH_LOG("Environ SET_SYSTEM_AV_INFO.\n");
return driver_ctl(RARCH_DRIVER_CTL_UPDATE_SYSTEM_AV_INFO,
(void**)&data);
}
case RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO:
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{
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unsigned i, j;
const struct retro_subsystem_info *info =
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(const struct retro_subsystem_info*)data;
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RARCH_LOG("Environ SET_SUBSYSTEM_INFO.\n");
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for (i = 0; info[i].ident; i++)
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{
RARCH_LOG("Special game type: %s\n", info[i].desc);
RARCH_LOG(" Ident: %s\n", info[i].ident);
RARCH_LOG(" ID: %u\n", info[i].id);
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RARCH_LOG(" Content:\n");
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for (j = 0; j < info[i].num_roms; j++)
{
RARCH_LOG(" %s (%s)\n",
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info[i].roms[j].desc, info[i].roms[j].required ?
"required" : "optional");
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}
}
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free(system->subsystem.data);
system->subsystem.data = (struct retro_subsystem_info*)
calloc(i, sizeof(*system->subsystem.data));
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if (!system->subsystem.data)
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return false;
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memcpy(system->subsystem.data, info,
i * sizeof(*system->subsystem.data));
system->subsystem.size = i;
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break;
}
case RETRO_ENVIRONMENT_SET_CONTROLLER_INFO:
{
unsigned i, j;
const struct retro_controller_info *info =
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(const struct retro_controller_info*)data;
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RARCH_LOG("Environ SET_CONTROLLER_INFO.\n");
for (i = 0; info[i].types; i++)
{
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RARCH_LOG("Controller port: %u\n", i + 1);
for (j = 0; j < info[i].num_types; j++)
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RARCH_LOG(" %s (ID: %u)\n", info[i].types[j].desc,
info[i].types[j].id);
}
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free(system->ports.data);
system->ports.data = (struct retro_controller_info*)
calloc(i, sizeof(*system->ports.data));
if (!system->ports.data)
return false;
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memcpy(system->ports.data, info,
i * sizeof(*system->ports.data));
system->ports.size = i;
break;
}
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case RETRO_ENVIRONMENT_SET_GEOMETRY:
{
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const struct retro_game_geometry *in_geom = NULL;
struct retro_game_geometry *geom = NULL;
struct retro_system_av_info *av_info =
video_viewport_get_system_av_info();
if (av_info)
geom = (struct retro_game_geometry*)&av_info->geometry;
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if (!geom)
return false;
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in_geom = (const struct retro_game_geometry*)data;
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RARCH_LOG("Environ SET_GEOMETRY.\n");
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/* Can potentially be called every frame,
* don't do anything unless required. */
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if (geom->base_width != in_geom->base_width ||
geom->base_height != in_geom->base_height ||
geom->aspect_ratio != in_geom->aspect_ratio)
{
geom->base_width = in_geom->base_width;
geom->base_height = in_geom->base_height;
geom->aspect_ratio = in_geom->aspect_ratio;
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RARCH_LOG("SET_GEOMETRY: %ux%u, aspect: %.3f.\n",
geom->base_width, geom->base_height, geom->aspect_ratio);
/* Forces recomputation of aspect ratios if
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* using core-dependent aspect ratios. */
event_cmd_ctl(EVENT_CMD_VIDEO_SET_ASPECT_RATIO, NULL);
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/* TODO: Figure out what to do, if anything, with recording. */
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}
break;
}
case RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER:
return video_driver_ctl(
RARCH_DISPLAY_CTL_GET_CURRENT_SOFTWARE_FRAMEBUFFER,
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(struct retro_framebuffer*)data);
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case RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE:
return video_driver_ctl(
RARCH_DISPLAY_CTL_GET_HW_RENDER_INTERFACE,
(const struct retro_hw_render_interface**)data);
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/* Private extensions for internal use, not part of libretro API. */
/* None yet. */
/* Default */
default:
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RARCH_LOG("Environ UNSUPPORTED (#%u).\n", cmd);
return false;
}
return true;
}