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RetroArch/core_info.c
twinaphex b94b9e2adb Go back to plain strlcpy/strlcat - probably best to look at 
opportunities to reduce these calls vs. replacing them with
unsafe macros
2019-09-23 00:19:01 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2019 - Brad Parker
*
* 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 <compat/strl.h>
#include <string/stdstring.h>
#include <file/config_file.h>
#include <file/file_path.h>
#include <lists/dir_list.h>
#include <file/archive_file.h>
#include <streams/file_stream.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "retroarch.h"
#include "verbosity.h"
#include "core_info.h"
#include "file_path_special.h"
#if defined(__WINRT__) || defined(WINAPI_FAMILY) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
#include "uwp/uwp_func.h"
#endif
#ifdef HAVE_COMPRESSION
static const struct string_list *core_info_tmp_list = NULL;
#endif
static const char *core_info_tmp_path = NULL;
static core_info_t *core_info_current = NULL;
static core_info_list_t *core_info_curr_list = NULL;
enum compare_op
{
COMPARE_OP_EQUAL,
COMPARE_OP_NOT_EQUAL,
COMPARE_OP_LESS,
COMPARE_OP_LESS_EQUAL,
COMPARE_OP_GREATER,
COMPARE_OP_GREATER_EQUAL
};
static void core_info_list_resolve_all_extensions(
core_info_list_t *core_info_list)
{
size_t i = 0;
size_t all_ext_len = 0;
char *all_ext = NULL;
for (i = 0; i < core_info_list->count; i++)
{
if (core_info_list->list[i].supported_extensions)
all_ext_len +=
(strlen(core_info_list->list[i].supported_extensions) + 2);
}
all_ext_len += STRLEN_CONST("7z|") + STRLEN_CONST("zip|");
all_ext = (char*)calloc(1, all_ext_len);
if (!all_ext)
return;
core_info_list->all_ext = all_ext;
for (i = 0; i < core_info_list->count; i++)
{
if (!core_info_list->list[i].supported_extensions)
continue;
strlcat(core_info_list->all_ext,
core_info_list->list[i].supported_extensions, all_ext_len);
strlcat(core_info_list->all_ext, "|", all_ext_len);
}
#ifdef HAVE_7ZIP
strlcat(core_info_list->all_ext, "7z|", all_ext_len);
#endif
#ifdef HAVE_ZLIB
strlcat(core_info_list->all_ext, "zip|", all_ext_len);
#endif
}
static void core_info_list_resolve_all_firmware(
core_info_list_t *core_info_list)
{
size_t i;
unsigned c;
for (i = 0; i < core_info_list->count; i++)
{
unsigned count = 0;
core_info_firmware_t *firmware = NULL;
core_info_t *info = (core_info_t*)&core_info_list->list[i];
config_file_t *config = (config_file_t*)info->config_data;
if (!config || !config_get_uint(config, "firmware_count", &count))
continue;
firmware = (core_info_firmware_t*)calloc(count, sizeof(*firmware));
if (!firmware)
continue;
info->firmware = firmware;
for (c = 0; c < count; c++)
{
char path_key[64];
char desc_key[64];
char opt_key[64];
bool tmp_bool = false;
char *tmp = NULL;
path_key[0] = desc_key[0] = opt_key[0] = '\0';
snprintf(path_key, sizeof(path_key), "firmware%u_path", c);
snprintf(desc_key, sizeof(desc_key), "firmware%u_desc", c);
snprintf(opt_key, sizeof(opt_key), "firmware%u_opt", c);
if (config_get_string(config, path_key, &tmp) && !string_is_empty(tmp))
{
info->firmware[c].path = strdup(tmp);
free(tmp);
tmp = NULL;
}
if (config_get_string(config, desc_key, &tmp) && !string_is_empty(tmp))
{
info->firmware[c].desc = strdup(tmp);
free(tmp);
tmp = NULL;
}
if (tmp)
free(tmp);
tmp = NULL;
if (config_get_bool(config, opt_key , &tmp_bool))
info->firmware[c].optional = tmp_bool;
}
}
}
static void core_info_list_free(core_info_list_t *core_info_list)
{
size_t i, j;
if (!core_info_list)
return;
for (i = 0; i < core_info_list->count; i++)
{
core_info_t *info = (core_info_t*)&core_info_list->list[i];
free(info->path);
free(info->core_name);
free(info->systemname);
free(info->system_id);
free(info->system_manufacturer);
free(info->display_name);
free(info->display_version);
free(info->supported_extensions);
free(info->authors);
free(info->permissions);
free(info->licenses);
free(info->categories);
free(info->databases);
free(info->notes);
free(info->required_hw_api);
string_list_free(info->supported_extensions_list);
string_list_free(info->authors_list);
string_list_free(info->note_list);
string_list_free(info->permissions_list);
string_list_free(info->licenses_list);
string_list_free(info->categories_list);
string_list_free(info->databases_list);
string_list_free(info->required_hw_api_list);
config_file_free((config_file_t*)info->config_data);
for (j = 0; j < info->firmware_count; j++)
{
free(info->firmware[j].path);
free(info->firmware[j].desc);
}
free(info->firmware);
}
free(core_info_list->all_ext);
free(core_info_list->list);
free(core_info_list);
}
static config_file_t *core_info_list_iterate(
const char *current_path,
const char *path_basedir)
{
size_t info_path_base_size = PATH_MAX_LENGTH * sizeof(char);
char *info_path_base = NULL;
char *info_path = NULL;
config_file_t *conf = NULL;
if (!current_path)
return NULL;
info_path_base = (char*)malloc(info_path_base_size);
info_path_base[0] = '\0';
fill_pathname_base_noext(info_path_base,
current_path,
info_path_base_size);
#if defined(RARCH_MOBILE) || (defined(RARCH_CONSOLE) && !defined(PSP) && !defined(_3DS) && !defined(VITA) && !defined(PS2) && !defined(HW_WUP))
{
char *substr = strrchr(info_path_base, '_');
if (substr)
*substr = '\0';
}
#endif
strlcat(info_path_base, ".info", info_path_base_size);
info_path = (char*)malloc(info_path_base_size);
fill_pathname_join(info_path,
path_basedir,
info_path_base, info_path_base_size);
free(info_path_base);
info_path_base = NULL;
if (path_is_valid(info_path))
conf = config_file_new_from_path_to_string(info_path);
free(info_path);
return conf;
}
static core_info_list_t *core_info_list_new(const char *path,
const char *libretro_info_dir,
const char *exts,
bool dir_show_hidden_files)
{
size_t i;
core_info_t *core_info = NULL;
core_info_list_t *core_info_list = NULL;
const char *path_basedir = libretro_info_dir;
struct string_list *contents = string_list_new();
bool ok = dir_list_append(contents, path, exts,
false, dir_show_hidden_files, false, false);
#if defined(__WINRT__) || defined(WINAPI_FAMILY) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
/* UWP: browse the optional packages for additional cores */
struct string_list *core_packages = string_list_new();
uwp_fill_installed_core_packages(core_packages);
for (i = 0; i < core_packages->size; i++)
dir_list_append(contents, core_packages->elems[i].data, exts,
false, dir_show_hidden_files, false, false);
string_list_free(core_packages);
#else
/* Keep the old 'directory not found' behavior */
if (!ok)
{
string_list_free(contents);
return NULL;
}
#endif
if (!contents)
return NULL;
core_info_list = (core_info_list_t*)calloc(1, sizeof(*core_info_list));
if (!core_info_list)
{
string_list_free(contents);
return NULL;
}
core_info = (core_info_t*)calloc(contents->size, sizeof(*core_info));
if (!core_info)
{
core_info_list_free(core_info_list);
string_list_free(contents);
return NULL;
}
core_info_list->list = core_info;
core_info_list->count = contents->size;
for (i = 0; i < contents->size; i++)
{
const char *base_path = contents->elems[i].data;
config_file_t *conf = core_info_list_iterate(base_path,
path_basedir);
if (conf)
{
char *tmp = NULL;
if (config_get_string(conf, "display_name", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].display_name = strdup(tmp);
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "display_version", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].display_version = strdup(tmp);
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "corename", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].core_name = strdup(tmp);
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "systemname", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].systemname = strdup(tmp);
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "systemid", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].system_id = strdup(tmp);
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "manufacturer", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].system_manufacturer = strdup(tmp);
free(tmp);
tmp = NULL;
}
{
unsigned count = 0;
config_get_uint(conf, "firmware_count", &count);
core_info[i].firmware_count = count;
}
if (config_get_string(conf, "supported_extensions", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].supported_extensions = strdup(tmp);
core_info[i].supported_extensions_list =
string_split(core_info[i].supported_extensions, "|");
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "authors", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].authors = strdup(tmp);
core_info[i].authors_list =
string_split(core_info[i].authors, "|");
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "permissions", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].permissions = strdup(tmp);
core_info[i].permissions_list =
string_split(core_info[i].permissions, "|");
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "license", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].licenses = strdup(tmp);
core_info[i].licenses_list =
string_split(core_info[i].licenses, "|");
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "categories", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].categories = strdup(tmp);
core_info[i].categories_list =
string_split(core_info[i].categories, "|");
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "database", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].databases = strdup(tmp);
core_info[i].databases_list =
string_split(core_info[i].databases, "|");
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "notes", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].notes = strdup(tmp);
core_info[i].note_list = string_split(core_info[i].notes, "|");
free(tmp);
tmp = NULL;
}
if (config_get_string(conf, "required_hw_api", &tmp)
&& !string_is_empty(tmp))
{
core_info[i].required_hw_api = strdup(tmp);
core_info[i].required_hw_api_list = string_split(core_info[i].required_hw_api, "|");
free(tmp);
tmp = NULL;
}
if (tmp)
free(tmp);
tmp = NULL;
{
bool tmp_bool = false;
if (config_get_bool(conf, "supports_no_game",
&tmp_bool))
core_info[i].supports_no_game = tmp_bool;
if (config_get_bool(conf, "database_match_archive_member",
&tmp_bool))
core_info[i].database_match_archive_member = tmp_bool;
}
core_info[i].config_data = conf;
}
if (!string_is_empty(base_path))
core_info[i].path = strdup(base_path);
if (!core_info[i].display_name)
core_info[i].display_name =
strdup(path_basename(core_info[i].path));
}
if (core_info_list)
{
core_info_list_resolve_all_extensions(core_info_list);
core_info_list_resolve_all_firmware(core_info_list);
}
string_list_free(contents);
return core_info_list;
}
/* Shallow-copies internal state.
*
* Data in *info is invalidated when the
* core_info_list is freed. */
bool core_info_list_get_info(core_info_list_t *core_info_list,
core_info_t *out_info, const char *path)
{
size_t i;
if (!core_info_list || !out_info)
return false;
memset(out_info, 0, sizeof(*out_info));
for (i = 0; i < core_info_list->count; i++)
{
const core_info_t *info = &core_info_list->list[i];
if (string_is_equal(path_basename(info->path),
path_basename(path)))
{
*out_info = *info;
return true;
}
}
return false;
}
#ifdef HAVE_COMPRESSION
static bool core_info_does_support_any_file(const core_info_t *core,
const struct string_list *list)
{
size_t i;
if (!list || !core || !core->supported_extensions_list)
return false;
for (i = 0; i < list->size; i++)
if (string_list_find_elem_prefix(core->supported_extensions_list,
".", path_get_extension(list->elems[i].data)))
return true;
return false;
}
#endif
static bool core_info_does_support_file(
const core_info_t *core, const char *path)
{
if (!core || !core->supported_extensions_list)
return false;
if (string_is_empty(path))
return false;
return string_list_find_elem_prefix(
core->supported_extensions_list, ".", path_get_extension(path));
}
/* qsort_r() is not in standard C, sadly. */
static int core_info_qsort_cmp(const void *a_, const void *b_)
{
const core_info_t *a = (const core_info_t*)a_;
const core_info_t *b = (const core_info_t*)b_;
int support_a = core_info_does_support_file(a, core_info_tmp_path);
int support_b = core_info_does_support_file(b, core_info_tmp_path);
#ifdef HAVE_COMPRESSION
support_a = support_a ||
core_info_does_support_any_file(a, core_info_tmp_list);
support_b = support_b ||
core_info_does_support_any_file(b, core_info_tmp_list);
#endif
if (support_a != support_b)
return support_b - support_a;
return strcasecmp(a->display_name, b->display_name);
}
static core_info_t *core_info_find_internal(
core_info_list_t *list,
const char *core)
{
size_t i;
const char *core_path_basename = path_basename(core);
for (i = 0; i < list->count; i++)
{
core_info_t *info = core_info_get(list, i);
if (!info || !info->path)
continue;
if (string_is_equal(path_basename(info->path), core_path_basename))
return info;
}
return NULL;
}
static bool core_info_list_update_missing_firmware_internal(
core_info_list_t *core_info_list,
const char *core,
const char *systemdir,
bool *set_missing_bios)
{
size_t i;
core_info_t *info = NULL;
char *path = NULL;
size_t path_size = PATH_MAX_LENGTH * sizeof(char);
if (!core_info_list || !core)
return false;
info = core_info_find_internal(core_info_list, core);
if (!info)
return false;
path = (char*)malloc(path_size);
if (!path)
return false;
path[0] = '\0';
for (i = 0; i < info->firmware_count; i++)
{
if (string_is_empty(info->firmware[i].path))
continue;
fill_pathname_join(path, systemdir,
info->firmware[i].path, path_size);
info->firmware[i].missing = !path_is_valid(path);
if (info->firmware[i].missing && !info->firmware[i].optional)
{
*set_missing_bios = true;
RARCH_WARN("Firmware missing: %s\n", info->firmware[i].path);
}
}
free(path);
return true;
}
void core_info_free_current_core(void)
{
if (core_info_current)
free(core_info_current);
core_info_current = NULL;
}
bool core_info_init_current_core(void)
{
core_info_current = (core_info_t*)calloc(1, sizeof(core_info_t));
if (!core_info_current)
return false;
return true;
}
bool core_info_get_current_core(core_info_t **core)
{
if (!core)
return false;
*core = core_info_current;
return true;
}
void core_info_deinit_list(void)
{
if (core_info_curr_list)
core_info_list_free(core_info_curr_list);
core_info_curr_list = NULL;
}
bool core_info_init_list(const char *path_info, const char *dir_cores,
const char *exts, bool dir_show_hidden_files)
{
if (!(core_info_curr_list = core_info_list_new(dir_cores,
!string_is_empty(path_info) ? path_info : dir_cores,
exts,
dir_show_hidden_files)))
return false;
return true;
}
bool core_info_get_list(core_info_list_t **core)
{
if (!core)
return false;
*core = core_info_curr_list;
return true;
}
bool core_info_list_update_missing_firmware(core_info_ctx_firmware_t *info,
bool *set_missing_bios)
{
if (!info)
return false;
return core_info_list_update_missing_firmware_internal(
core_info_curr_list,
info->path, info->directory.system,
set_missing_bios);
}
bool core_info_load(core_info_ctx_find_t *info)
{
core_info_t *core_info = NULL;
if (!info)
return false;
if (!core_info_current)
core_info_init_current_core();
core_info_get_current_core(&core_info);
if (!core_info_curr_list)
return false;
if (!core_info_list_get_info(core_info_curr_list,
core_info, info->path))
return false;
return true;
}
bool core_info_find(core_info_ctx_find_t *info, const char *core_path)
{
if (!info || !core_info_curr_list)
return false;
info->inf = core_info_find_internal(core_info_curr_list, core_path);
if (!info->inf)
return false;
return true;
}
core_info_t *core_info_get(core_info_list_t *list, size_t i)
{
core_info_t *info = NULL;
if (!list)
return NULL;
info = (core_info_t*)&list->list[i];
if (!info || !info->path)
return NULL;
return info;
}
void core_info_list_get_supported_cores(core_info_list_t *core_info_list,
const char *path, const core_info_t **infos, size_t *num_infos)
{
size_t i;
size_t supported = 0;
#ifdef HAVE_COMPRESSION
struct string_list *list = NULL;
#endif
if (!core_info_list)
return;
core_info_tmp_path = path;
#ifdef HAVE_COMPRESSION
if (path_is_compressed_file(path))
list = file_archive_get_file_list(path, NULL);
core_info_tmp_list = list;
#endif
/* Let supported core come first in list so we can return
* a pointer to them. */
qsort(core_info_list->list, core_info_list->count,
sizeof(core_info_t), core_info_qsort_cmp);
for (i = 0; i < core_info_list->count; i++, supported++)
{
const core_info_t *core = &core_info_list->list[i];
if (core_info_does_support_file(core, path))
continue;
#ifdef HAVE_COMPRESSION
if (core_info_does_support_any_file(core, list))
continue;
#endif
break;
}
#ifdef HAVE_COMPRESSION
if (list)
string_list_free(list);
#endif
*infos = core_info_list->list;
*num_infos = supported;
}
void core_info_get_name(const char *path, char *s, size_t len,
const char *path_info, const char *dir_cores,
const char *exts, bool dir_show_hidden_files,
bool get_display_name)
{
size_t i;
const char *path_basedir = !string_is_empty(path_info) ?
path_info : dir_cores;
struct string_list *contents = dir_list_new(
dir_cores, exts, false, dir_show_hidden_files, false, false);
const char *core_path_basename = path_basename(path);
if (!contents)
return;
for (i = 0; i < contents->size; i++)
{
config_file_t *conf = NULL;
char *new_core_name = NULL;
const char *current_path = contents->elems[i].data;
if (!string_is_equal(path_basename(current_path), core_path_basename))
continue;
conf = core_info_list_iterate(contents->elems[i].data,
path_basedir);
if (!conf)
continue;
if (config_get_string(conf, get_display_name
? "display_name" : "corename",
&new_core_name))
{
strlcpy(s, new_core_name, len);
free(new_core_name);
}
config_file_free(conf);
break;
}
dir_list_free(contents);
contents = NULL;
}
size_t core_info_list_num_info_files(core_info_list_t *core_info_list)
{
size_t i, num = 0;
if (!core_info_list)
return 0;
for (i = 0; i < core_info_list->count; i++)
{
config_file_t *conf = (config_file_t*)
core_info_list->list[i].config_data;
num += !!conf;
}
return num;
}
bool core_info_database_match_archive_member(const char *database_path)
{
char *database = NULL;
const char *new_path = path_basename(database_path);
if (string_is_empty(new_path))
return false;
database = strdup(new_path);
if (string_is_empty(database))
goto error;
path_remove_extension(database);
if (core_info_curr_list)
{
size_t i;
for (i = 0; i < core_info_curr_list->count; i++)
{
const core_info_t *info = &core_info_curr_list->list[i];
if (!info->database_match_archive_member)
continue;
if (!string_list_find_elem(info->databases_list, database))
continue;
free(database);
return true;
}
}
error:
if (database)
free(database);
return false;
}
bool core_info_database_supports_content_path(
const char *database_path, const char *path)
{
char *database = NULL;
const char *new_path = path_basename(database_path);
if (string_is_empty(new_path))
return false;
database = strdup(new_path);
if (string_is_empty(database))
goto error;
path_remove_extension(database);
if (core_info_curr_list)
{
size_t i;
for (i = 0; i < core_info_curr_list->count; i++)
{
const core_info_t *info = &core_info_curr_list->list[i];
if (!string_list_find_elem(info->supported_extensions_list,
path_get_extension(path)))
continue;
if (!string_list_find_elem(info->databases_list, database))
continue;
free(database);
return true;
}
}
error:
if (database)
free(database);
return false;
}
bool core_info_list_get_display_name(core_info_list_t *core_info_list,
const char *path, char *s, size_t len)
{
size_t i;
if (!core_info_list)
return false;
for (i = 0; i < core_info_list->count; i++)
{
const core_info_t *info = &core_info_list->list[i];
if (!string_is_equal(path_basename(info->path), path_basename(path)))
continue;
if (!info->display_name)
continue;
strlcpy(s, info->display_name, len);
return true;
}
return false;
}
bool core_info_get_display_name(const char *path, char *s, size_t len)
{
char *tmp = NULL;
config_file_t *conf = config_file_new_from_path_to_string(path);
if (!conf)
return false;
if (config_get_string(conf, "display_name", &tmp))
{
strlcpy(s, tmp, len);
free(tmp);
}
config_file_free(conf);
return true;
}
static int core_info_qsort_func_path(const core_info_t *a,
const core_info_t *b)
{
if (!a || !b)
return 0;
if (string_is_empty(a->path) || string_is_empty(b->path))
return 0;
return strcasecmp(a->path, b->path);
}
static int core_info_qsort_func_display_name(const core_info_t *a,
const core_info_t *b)
{
if (!a || !b)
return 0;
if (string_is_empty(a->display_name) || string_is_empty(b->display_name))
return 0;
return strcasecmp(a->display_name, b->display_name);
}
static int core_info_qsort_func_core_name(const core_info_t *a,
const core_info_t *b)
{
if (!a || !b)
return 0;
if (string_is_empty(a->core_name) || string_is_empty(b->core_name))
return 0;
return strcasecmp(a->core_name, b->core_name);
}
static int core_info_qsort_func_system_name(const core_info_t *a,
const core_info_t *b)
{
if (!a || !b)
return 0;
if (string_is_empty(a->systemname) || string_is_empty(b->systemname))
return 0;
return strcasecmp(a->systemname, b->systemname);
}
void core_info_qsort(core_info_list_t *core_info_list,
enum core_info_list_qsort_type qsort_type)
{
if (!core_info_list)
return;
if (core_info_list->count < 2)
return;
switch (qsort_type)
{
case CORE_INFO_LIST_SORT_PATH:
qsort(core_info_list->list,
core_info_list->count,
sizeof(core_info_t),
(int (*)(const void *, const void *))
core_info_qsort_func_path);
break;
case CORE_INFO_LIST_SORT_DISPLAY_NAME:
qsort(core_info_list->list,
core_info_list->count,
sizeof(core_info_t),
(int (*)(const void *, const void *))
core_info_qsort_func_display_name);
break;
case CORE_INFO_LIST_SORT_CORE_NAME:
qsort(core_info_list->list,
core_info_list->count,
sizeof(core_info_t),
(int (*)(const void *, const void *))
core_info_qsort_func_core_name);
break;
case CORE_INFO_LIST_SORT_SYSTEM_NAME:
qsort(core_info_list->list,
core_info_list->count,
sizeof(core_info_t),
(int (*)(const void *, const void *))
core_info_qsort_func_system_name);
break;
default:
return;
}
}
static bool core_info_compare_api_version(int sys_major, int sys_minor, int major, int minor, enum compare_op op)
{
switch (op)
{
case COMPARE_OP_EQUAL:
if (sys_major == major && sys_minor == minor)
return true;
break;
case COMPARE_OP_NOT_EQUAL:
if (!(sys_major == major && sys_minor == minor))
return true;
break;
case COMPARE_OP_LESS:
if (sys_major < major || (sys_major == major && sys_minor < minor))
return true;
break;
case COMPARE_OP_LESS_EQUAL:
if (sys_major < major || (sys_major == major && sys_minor <= minor))
return true;
break;
case COMPARE_OP_GREATER:
if (sys_major > major || (sys_major == major && sys_minor > minor))
return true;
break;
case COMPARE_OP_GREATER_EQUAL:
if (sys_major > major || (sys_major == major && sys_minor >= minor))
return true;
break;
default:
break;
}
return false;
}
bool core_info_hw_api_supported(core_info_t *info)
{
#ifdef RARCH_INTERNAL
unsigned i;
enum gfx_ctx_api sys_api;
gfx_ctx_flags_t sys_flags = {0};
const char *sys_api_version_str = video_driver_get_gpu_api_version_string();
int sys_api_version_major = 0;
int sys_api_version_minor = 0;
enum api_parse_state
{
STATE_API_NAME,
STATE_API_COMPARE_OP,
STATE_API_VERSION
};
if (!info || !info->required_hw_api_list || info->required_hw_api_list->size == 0)
return true;
sys_api = video_context_driver_get_api();
video_context_driver_get_flags(&sys_flags);
for (i = 0; i < info->required_hw_api_list->size; i++)
{
char api_str[32] = {0};
char version[16] = {0};
char major_str[16] = {0};
char minor_str[16] = {0};
const char *cur_api = info->required_hw_api_list->elems[i].data;
int api_pos = 0;
int major_str_pos = 0;
int minor_str_pos = 0;
int cur_api_len = 0;
int j = 0;
int major = 0;
int minor = 0;
bool found_major = false;
bool found_minor = false;
enum compare_op op = COMPARE_OP_GREATER_EQUAL;
enum api_parse_state state = STATE_API_NAME;
if (string_is_empty(cur_api))
continue;
cur_api_len = (int)strlen(cur_api);
for (j = 0; j < cur_api_len; j++)
{
if (cur_api[j] == ' ')
continue;
switch (state)
{
case STATE_API_NAME:
{
if (isupper(cur_api[j]) || islower(cur_api[j]))
api_str[api_pos++] = cur_api[j];
else
{
j--;
state = STATE_API_COMPARE_OP;
break;
}
break;
}
case STATE_API_COMPARE_OP:
{
if (j < cur_api_len - 1 && !(cur_api[j] >= '0' && cur_api[j] <= '9'))
{
if (cur_api[j] == '=' && cur_api[j + 1] == '=')
{
op = COMPARE_OP_EQUAL;
j++;
}
else if (cur_api[j] == '=')
op = COMPARE_OP_EQUAL;
else if (cur_api[j] == '!' && cur_api[j + 1] == '=')
{
op = COMPARE_OP_NOT_EQUAL;
j++;
}
else if (cur_api[j] == '<' && cur_api[j + 1] == '=')
{
op = COMPARE_OP_LESS_EQUAL;
j++;
}
else if (cur_api[j] == '>' && cur_api[j + 1] == '=')
{
op = COMPARE_OP_GREATER_EQUAL;
j++;
}
else if (cur_api[j] == '<')
op = COMPARE_OP_LESS;
else if (cur_api[j] == '>')
op = COMPARE_OP_GREATER;
}
state = STATE_API_VERSION;
break;
}
case STATE_API_VERSION:
{
if (!found_minor && cur_api[j] >= '0' && cur_api[j] <= '9' && cur_api[j] != '.')
{
found_major = true;
if (major_str_pos < sizeof(major_str) - 1)
major_str[major_str_pos++] = cur_api[j];
}
else if (found_major && found_minor && cur_api[j] >= '0' && cur_api[j] <= '9')
{
if (minor_str_pos < sizeof(minor_str) - 1)
minor_str[minor_str_pos++] = cur_api[j];
}
else if (cur_api[j] == '.')
found_minor = true;
break;
}
default:
break;
}
}
sscanf(major_str, "%d", &major);
sscanf(minor_str, "%d", &minor);
snprintf(version, sizeof(version), "%d.%d", major, minor);
#if 0
printf("Major: %d\n", major);
printf("Minor: %d\n", minor);
printf("API: %s\n", api_str);
printf("Version: %s\n", version);
fflush(stdout);
#endif
if ((string_is_equal_noncase(api_str, "opengl") && sys_api == GFX_CTX_OPENGL_API) ||
(string_is_equal_noncase(api_str, "openglcompat") && sys_api == GFX_CTX_OPENGL_API) ||
(string_is_equal_noncase(api_str, "openglcompatibility") && sys_api == GFX_CTX_OPENGL_API))
{
/* system is running a core context while compat is requested */
if (sys_flags.flags & (1 << GFX_CTX_FLAGS_GL_CORE_CONTEXT))
return false;
sscanf(sys_api_version_str, "%d.%d", &sys_api_version_major, &sys_api_version_minor);
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
else if (string_is_equal_noncase(api_str, "openglcore") && sys_api == GFX_CTX_OPENGL_API)
{
sscanf(sys_api_version_str, "%d.%d", &sys_api_version_major, &sys_api_version_minor);
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
else if (string_is_equal_noncase(api_str, "opengles") && sys_api == GFX_CTX_OPENGL_ES_API)
{
sscanf(sys_api_version_str, "OpenGL ES %d.%d", &sys_api_version_major, &sys_api_version_minor);
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
else if (string_is_equal_noncase(api_str, "direct3d8") && sys_api == GFX_CTX_DIRECT3D8_API)
{
sys_api_version_major = 8;
sys_api_version_minor = 0;
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
else if (string_is_equal_noncase(api_str, "direct3d9") && sys_api == GFX_CTX_DIRECT3D9_API)
{
sys_api_version_major = 9;
sys_api_version_minor = 0;
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
else if (string_is_equal_noncase(api_str, "direct3d10") && sys_api == GFX_CTX_DIRECT3D10_API)
{
sys_api_version_major = 10;
sys_api_version_minor = 0;
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
else if (string_is_equal_noncase(api_str, "direct3d11") && sys_api == GFX_CTX_DIRECT3D11_API)
{
sys_api_version_major = 11;
sys_api_version_minor = 0;
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
else if (string_is_equal_noncase(api_str, "direct3d12") && sys_api == GFX_CTX_DIRECT3D12_API)
{
sys_api_version_major = 12;
sys_api_version_minor = 0;
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
else if (string_is_equal_noncase(api_str, "vulkan") && sys_api == GFX_CTX_VULKAN_API)
{
sscanf(sys_api_version_str, "%d.%d", &sys_api_version_major, &sys_api_version_minor);
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
else if (string_is_equal_noncase(api_str, "metal") && sys_api == GFX_CTX_METAL_API)
{
sscanf(sys_api_version_str, "%d.%d", &sys_api_version_major, &sys_api_version_minor);
if (core_info_compare_api_version(sys_api_version_major, sys_api_version_minor, major, minor, op))
return true;
}
}
return false;
#else
return true;
#endif
}
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