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Create tasks/task_save_state.c

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This commit is contained in:
twinaphex 2016-05-17 15:21:09 +02:00
parent 81c7a8ac04
commit 9b421948e4
5 changed files with 214 additions and 180 deletions
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1
Makefile.common
View File

@ -128,6 +128,7 @@ OBJ += frontend/frontend.o \
tasks/tasks_internal.o \
tasks/task_content.o \
tasks/task_save_ram.o \
tasks/task_save_state.o \
tasks/task_file_transfer.o \
tasks/task_image.o \
libretro-common/encodings/encoding_utf.o \

1
griffin/griffin.c
View File

@ -814,6 +814,7 @@ DATA RUNLOOP
============================================================ */
#include "../tasks/task_content.c"
#include "../tasks/task_save_ram.c"
#include "../tasks/task_save_state.c"
#include "../tasks/task_image.c"
#include "../tasks/task_file_transfer.c"
#ifdef HAVE_ZLIB

180
tasks/task_content.c
View File

@ -104,13 +104,6 @@
#define MAX_ARGS 32
struct sram_block
{
unsigned type;
void *data;
size_t size;
};
typedef struct content_stream
{
uint32_t a;
@ -1038,179 +1031,6 @@ bool dump_to_file_desperate(const void *data,
return true;
}
/**
* save_state:
* @path : path of saved state that shall be written to.
*
* Save a state from memory to disk.
*
* Returns: true if successful, false otherwise.
**/
bool content_save_state(const char *path)
{
retro_ctx_serialize_info_t serial_info;
retro_ctx_size_info_t info;
bool ret = false;
void *data = NULL;
core_serialize_size(&info);
RARCH_LOG("%s: \"%s\".\n",
msg_hash_to_str(MSG_SAVING_STATE),
path);
if (info.size == 0)
return false;
data = malloc(info.size);
if (!data)
return false;
RARCH_LOG("%s: %d %s.\n",
msg_hash_to_str(MSG_STATE_SIZE),
(int)info.size,
msg_hash_to_str(MSG_BYTES));
serial_info.data = data;
serial_info.size = info.size;
ret = core_serialize(&serial_info);
if (ret)
ret = filestream_write_file(path, data, info.size);
else
{
RARCH_ERR("%s \"%s\".\n",
msg_hash_to_str(MSG_FAILED_TO_SAVE_STATE_TO),
path);
}
free(data);
return ret;
}
/**
* content_load_state:
* @path : path that state will be loaded from.
*
* Load a state from disk to memory.
*
* Returns: true if successful, false otherwise.
**/
bool content_load_state(const char *path)
{
unsigned i;
ssize_t size;
retro_ctx_serialize_info_t serial_info;
unsigned num_blocks = 0;
void *buf = NULL;
struct sram_block *blocks = NULL;
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
bool ret = filestream_read_file(path, &buf, &size);
RARCH_LOG("%s: \"%s\".\n",
msg_hash_to_str(MSG_LOADING_STATE),
path);
if (!ret || size < 0)
goto error;
RARCH_LOG("%s: %u %s.\n",
msg_hash_to_str(MSG_STATE_SIZE),
(unsigned)size,
msg_hash_to_str(MSG_BYTES));
if (settings->block_sram_overwrite && global->savefiles
&& global->savefiles->size)
{
RARCH_LOG("%s.\n",
msg_hash_to_str(MSG_BLOCKING_SRAM_OVERWRITE));
blocks = (struct sram_block*)
calloc(global->savefiles->size, sizeof(*blocks));
if (blocks)
{
num_blocks = global->savefiles->size;
for (i = 0; i < num_blocks; i++)
blocks[i].type = global->savefiles->elems[i].attr.i;
}
}
for (i = 0; i < num_blocks; i++)
{
retro_ctx_memory_info_t mem_info;
mem_info.id = blocks[i].type;
core_get_memory(&mem_info);
blocks[i].size = mem_info.size;
}
for (i = 0; i < num_blocks; i++)
if (blocks[i].size)
blocks[i].data = malloc(blocks[i].size);
/* Backup current SRAM which is overwritten by unserialize. */
for (i = 0; i < num_blocks; i++)
{
if (blocks[i].data)
{
retro_ctx_memory_info_t mem_info;
const void *ptr = NULL;
mem_info.id = blocks[i].type;
core_get_memory(&mem_info);
ptr = mem_info.data;
if (ptr)
memcpy(blocks[i].data, ptr, blocks[i].size);
}
}
serial_info.data_const = buf;
serial_info.size = size;
ret = core_unserialize(&serial_info);
/* Flush back. */
for (i = 0; i < num_blocks; i++)
{
if (blocks[i].data)
{
retro_ctx_memory_info_t mem_info;
void *ptr = NULL;
mem_info.id = blocks[i].type;
core_get_memory(&mem_info);
ptr = mem_info.data;
if (ptr)
memcpy(ptr, blocks[i].data, blocks[i].size);
}
}
for (i = 0; i < num_blocks; i++)
free(blocks[i].data);
free(blocks);
free(buf);
if (!ret)
goto error;
return true;
error:
RARCH_ERR("%s \"%s\".\n",
msg_hash_to_str(MSG_FAILED_TO_LOAD_STATE),
path);
return false;
}
/* Load the content into memory. */
static bool load_content_into_memory(
struct retro_game_info *info,

210
tasks/task_save_state.c Normal file
View File

@ -0,0 +1,210 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2016 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/types.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <lists/string_list.h>
#include <streams/file_stream.h>
#include "../core.h"
#include "../msg_hash.h"
#include "../verbosity.h"
#include "tasks_internal.h"
struct sram_block
{
unsigned type;
void *data;
size_t size;
};
/* TODO/FIXME - turn this into actual task */
/**
* save_state:
* @path : path of saved state that shall be written to.
*
* Save a state from memory to disk.
*
* Returns: true if successful, false otherwise.
**/
bool content_save_state(const char *path)
{
retro_ctx_serialize_info_t serial_info;
retro_ctx_size_info_t info;
bool ret = false;
void *data = NULL;
core_serialize_size(&info);
RARCH_LOG("%s: \"%s\".\n",
msg_hash_to_str(MSG_SAVING_STATE),
path);
if (info.size == 0)
return false;
data = malloc(info.size);
if (!data)
return false;
RARCH_LOG("%s: %d %s.\n",
msg_hash_to_str(MSG_STATE_SIZE),
(int)info.size,
msg_hash_to_str(MSG_BYTES));
serial_info.data = data;
serial_info.size = info.size;
ret = core_serialize(&serial_info);
if (ret)
ret = filestream_write_file(path, data, info.size);
else
{
RARCH_ERR("%s \"%s\".\n",
msg_hash_to_str(MSG_FAILED_TO_SAVE_STATE_TO),
path);
}
free(data);
return ret;
}
/**
* content_load_state:
* @path : path that state will be loaded from.
*
* Load a state from disk to memory.
*
* Returns: true if successful, false otherwise.
**/
bool content_load_state(const char *path)
{
unsigned i;
ssize_t size;
retro_ctx_serialize_info_t serial_info;
unsigned num_blocks = 0;
void *buf = NULL;
struct sram_block *blocks = NULL;
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
bool ret = filestream_read_file(path, &buf, &size);
RARCH_LOG("%s: \"%s\".\n",
msg_hash_to_str(MSG_LOADING_STATE),
path);
if (!ret || size < 0)
goto error;
RARCH_LOG("%s: %u %s.\n",
msg_hash_to_str(MSG_STATE_SIZE),
(unsigned)size,
msg_hash_to_str(MSG_BYTES));
if (settings->block_sram_overwrite && global->savefiles
&& global->savefiles->size)
{
RARCH_LOG("%s.\n",
msg_hash_to_str(MSG_BLOCKING_SRAM_OVERWRITE));
blocks = (struct sram_block*)
calloc(global->savefiles->size, sizeof(*blocks));
if (blocks)
{
num_blocks = global->savefiles->size;
for (i = 0; i < num_blocks; i++)
blocks[i].type = global->savefiles->elems[i].attr.i;
}
}
for (i = 0; i < num_blocks; i++)
{
retro_ctx_memory_info_t mem_info;
mem_info.id = blocks[i].type;
core_get_memory(&mem_info);
blocks[i].size = mem_info.size;
}
for (i = 0; i < num_blocks; i++)
if (blocks[i].size)
blocks[i].data = malloc(blocks[i].size);
/* Backup current SRAM which is overwritten by unserialize. */
for (i = 0; i < num_blocks; i++)
{
if (blocks[i].data)
{
retro_ctx_memory_info_t mem_info;
const void *ptr = NULL;
mem_info.id = blocks[i].type;
core_get_memory(&mem_info);
ptr = mem_info.data;
if (ptr)
memcpy(blocks[i].data, ptr, blocks[i].size);
}
}
serial_info.data_const = buf;
serial_info.size = size;
ret = core_unserialize(&serial_info);
/* Flush back. */
for (i = 0; i < num_blocks; i++)
{
if (blocks[i].data)
{
retro_ctx_memory_info_t mem_info;
void *ptr = NULL;
mem_info.id = blocks[i].type;
core_get_memory(&mem_info);
ptr = mem_info.data;
if (ptr)
memcpy(ptr, blocks[i].data, blocks[i].size);
}
}
for (i = 0; i < num_blocks; i++)
free(blocks[i].data);
free(blocks);
free(buf);
if (!ret)
goto error;
return true;
error:
RARCH_ERR("%s \"%s\".\n",
msg_hash_to_str(MSG_FAILED_TO_LOAD_STATE),
path);
return false;
}

2
tasks/tasks_internal.h
View File

@ -145,6 +145,8 @@ bool content_save_ram_file(ram_type_t *ram);
bool content_load_ram_file(ram_type_t *ram);
bool dump_to_file_desperate(const void *data,
size_t size, unsigned type);
bool content_save_state(const char *path);
bool content_load_state(const char *path);
#ifdef __cplusplus
}