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RetroArch/tasks/task_screenshot.c
twinaphex dc2664a4ef Reorder variables
2017-09-29 22:58:32 +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) 2016-2017 - 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/>.
*/
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#ifdef _XBOX1
#include <xtl.h>
#include <xgraphics.h>
#endif
#include <stdio.h>
#include <stddef.h>
#include <time.h>
#include <boolean.h>
#include <stdint.h>
#include <string.h>
#include <file/file_path.h>
#include <compat/strl.h>
#include <string/stdstring.h>
#include <gfx/scaler/scaler.h>
#include <gfx/video_frame.h>
#ifdef HAVE_RBMP
#include <formats/rbmp.h>
#endif
#ifdef HAVE_RPNG
#include <formats/rpng.h>
#define IMG_EXT "png"
#else
#define IMG_EXT "bmp"
#endif
#include "../defaults.h"
#include "../configuration.h"
#include "../retroarch.h"
#include "../paths.h"
#include "../msg_hash.h"
#include "../gfx/video_driver.h"
#include "tasks_internal.h"
typedef struct screenshot_task_state screenshot_task_state_t;
struct screenshot_task_state
{
bool bgr24;
bool silence;
bool is_idle;
bool is_paused;
bool history_list_enable;
int pitch;
unsigned width;
unsigned height;
unsigned pixel_format_type;
uint8_t *out_buffer;
const void *frame;
char filename[PATH_MAX_LENGTH];
char shotname[256];
#ifdef _XBOX1
D3DSurface *surf;
#endif
void *userbuf;
struct scaler_ctx scaler;
};
/**
* task_screenshot_handler:
* @task : the task being worked on
*
* Saves a screenshot to disk.
**/
static void task_screenshot_handler(retro_task_t *task)
{
#ifdef HAVE_RBMP
enum rbmp_source_type bmp_type = RBMP_SOURCE_TYPE_DONT_CARE;
#endif
screenshot_task_state_t *state = (screenshot_task_state_t*)task->state;
struct scaler_ctx *scaler = (struct scaler_ctx*)&state->scaler;
bool ret = false;
if (task_get_progress(task) == 100)
{
task_set_finished(task, true);
if (state->userbuf)
free(state->userbuf);
free(state);
return;
}
#ifdef HAVE_RBMP
(void)bmp_type;
#endif
#if defined(_XBOX1)
if (XGWriteSurfaceToFile(state->surf, state->filename) == S_OK)
ret = true;
state->surf->Release();
#elif defined(HAVE_RPNG)
if (state->bgr24)
scaler->in_fmt = SCALER_FMT_BGR24;
else if (state->pixel_format_type == RETRO_PIXEL_FORMAT_XRGB8888)
scaler->in_fmt = SCALER_FMT_ARGB8888;
else
scaler->in_fmt = SCALER_FMT_RGB565;
video_frame_convert_to_bgr24(
scaler,
state->out_buffer,
(const uint8_t*)state->frame + ((int)state->height - 1)
* state->pitch,
state->width, state->height,
-state->pitch);
scaler_ctx_gen_reset(&state->scaler);
ret = rpng_save_image_bgr24(
state->filename,
state->out_buffer,
state->width,
state->height,
state->width * 3
);
free(state->out_buffer);
#elif defined(HAVE_RBMP)
if (state->bgr24)
bmp_type = RBMP_SOURCE_TYPE_BGR24;
else if (state->pixel_format_type == RETRO_PIXEL_FORMAT_XRGB8888)
bmp_type = RBMP_SOURCE_TYPE_XRGB888;
ret = rbmp_save_image(state->filename,
state->frame,
state->width,
state->height,
state->pitch,
bmp_type);
#endif
#ifdef HAVE_IMAGEVIEWER
if (ret && !state->silence)
{
if (
state->history_list_enable
&& g_defaults.image_history
&& playlist_push(
g_defaults.image_history,
state->filename,
NULL,
"builtin",
"imageviewer",
NULL,
NULL
)
)
playlist_write_file(g_defaults.image_history);
}
#endif
task_set_progress(task, 100);
if (!ret)
{
char *msg = strdup(msg_hash_to_str(MSG_FAILED_TO_TAKE_SCREENSHOT));
runloop_msg_queue_push(msg, 1, state->is_paused ? 1 : 180, true);
free(msg);
}
}
/* Take frame bottom-up. */
static bool screenshot_dump(
const char *name_base,
const void *frame,
unsigned width,
unsigned height,
int pitch, bool bgr24,
void *userbuf, bool savestate,
bool is_idle,
bool is_paused)
{
char screenshot_path[PATH_MAX_LENGTH];
uint8_t *buf = NULL;
#ifdef _XBOX1
d3d_video_t *d3d = (d3d_video_t*)video_driver_get_ptr(true);
#endif
settings_t *settings = config_get_ptr();
retro_task_t *task = (retro_task_t*)calloc(1, sizeof(*task));
screenshot_task_state_t *state = (screenshot_task_state_t*)
calloc(1, sizeof(*state));
const char *screenshot_dir = settings->paths.directory_screenshot;
screenshot_path[0] = '\0';
if (string_is_empty(screenshot_dir) || settings->bools.screenshots_in_content_dir)
{
fill_pathname_basedir(screenshot_path, name_base,
sizeof(screenshot_path));
screenshot_dir = screenshot_path;
}
state->is_idle = is_idle;
state->is_paused = is_paused;
state->bgr24 = bgr24;
state->height = height;
state->width = width;
state->pitch = pitch;
state->frame = frame;
state->userbuf = userbuf;
state->silence = savestate;
state->history_list_enable = settings->bools.history_list_enable;
state->pixel_format_type = video_driver_get_pixel_format();
if (savestate)
snprintf(state->filename,
sizeof(state->filename), "%s.png", name_base);
else
{
if (settings->bools.auto_screenshot_filename)
fill_str_dated_filename(state->shotname, path_basename(name_base),
IMG_EXT, sizeof(state->shotname));
else
snprintf(state->shotname, sizeof(state->shotname),
"%s.png", path_basename(name_base));
fill_pathname_join(state->filename, screenshot_dir,
state->shotname, sizeof(state->filename));
}
#ifdef _XBOX1
d3d->dev->GetBackBuffer(-1, D3DBACKBUFFER_TYPE_MONO, &state->surf);
#elif defined(HAVE_RPNG)
buf = (uint8_t*)malloc(width * height * 3);
if (!buf)
{
if (task)
free(task);
free(state);
return false;
}
state->out_buffer = buf;
#endif
task->type = TASK_TYPE_BLOCKING;
task->state = state;
task->handler = task_screenshot_handler;
if (!savestate)
task->title = strdup(msg_hash_to_str(MSG_TAKING_SCREENSHOT));
task_queue_push(task);
return true;
}
#if !defined(VITA)
static bool take_screenshot_viewport(const char *name_base, bool savestate,
bool is_idle, bool is_paused)
{
struct video_viewport vp;
uint8_t *buffer = NULL;
bool retval = false;
vp.x = 0;
vp.y = 0;
vp.width = 0;
vp.height = 0;
vp.full_width = 0;
vp.full_height = 0;
video_driver_get_viewport_info(&vp);
if (!vp.width || !vp.height)
return false;
buffer = (uint8_t*)malloc(vp.width * vp.height * 3);
if (!buffer)
return false;
if (!video_driver_read_viewport(buffer, is_idle))
goto error;
/* Data read from viewport is in bottom-up order, suitable for BMP. */
if (!screenshot_dump(name_base,
buffer, vp.width, vp.height,
vp.width * 3, true, buffer, savestate, is_idle, is_paused))
goto error;
return true;
error:
if (buffer)
free(buffer);
return retval;
}
#endif
static bool take_screenshot_raw(const char *name_base, void *userbuf,
bool savestate, bool is_idle, bool is_paused)
{
size_t pitch;
unsigned width, height;
const void *data = NULL;
video_driver_cached_frame_get(&data, &width, &height, &pitch);
/* Negative pitch is needed as screenshot takes bottom-up,
* but we use top-down.
*/
if (!screenshot_dump(name_base,
(const uint8_t*)data + (height - 1) * pitch,
width, height, (int)(-pitch), false, userbuf, savestate, is_idle, is_paused))
return false;
return true;
}
static bool take_screenshot_choice(const char *name_base, bool savestate,
bool is_paused, bool is_idle, bool has_valid_framebuffer)
{
size_t old_pitch;
unsigned old_width, old_height;
bool ret = false;
void *frame_data = NULL;
const void* old_data = NULL;
settings_t *settings = config_get_ptr();
const char *screenshot_dir = settings->paths.directory_screenshot;
/* No way to infer screenshot directory. */
if ( string_is_empty(screenshot_dir)
&& string_is_empty(name_base))
return false;
if (video_driver_supports_viewport_read())
{
/* Avoid taking screenshot of GUI overlays. */
video_driver_set_texture_enable(false, false);
if (!is_idle)
video_driver_cached_frame();
#if defined(VITA)
return take_screenshot_raw(name_base, NULL, savestate, is_idle, is_paused);
#else
return take_screenshot_viewport(name_base, savestate, is_idle, is_paused);
#endif
}
if (!has_valid_framebuffer)
return take_screenshot_raw(name_base, NULL, savestate, is_idle, is_paused);
if (!video_driver_supports_read_frame_raw())
return false;
video_driver_cached_frame_get(&old_data, &old_width, &old_height,
&old_pitch);
frame_data = video_driver_read_frame_raw(
&old_width, &old_height, &old_pitch);
video_driver_cached_frame_set(old_data, old_width, old_height,
old_pitch);
if (frame_data)
{
video_driver_set_cached_frame_ptr(frame_data);
if (take_screenshot_raw(name_base, frame_data, savestate, is_idle, is_paused))
ret = true;
}
return ret;
}
bool take_screenshot(const char *name_base, bool silence, bool has_valid_framebuffer)
{
bool is_paused = false;
bool is_idle = false;
bool is_slowmotion = false;
bool is_perfcnt_enable = false;
bool ret = false;
runloop_get_status(&is_paused, &is_idle, &is_slowmotion, &is_perfcnt_enable);
ret = take_screenshot_choice(name_base, silence, is_paused, is_idle,
has_valid_framebuffer);
if (is_paused && !is_idle)
video_driver_cached_frame();
return ret;
}
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