mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-27 18:20:27 +00:00
272 lines
7.6 KiB
C
272 lines
7.6 KiB
C
/* 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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*
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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-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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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
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* PURPOSE. See the GNU General Public License for more details.
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*
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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/>.
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*/
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#ifdef _XBOX1
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#include <xtl.h>
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#include <xgraphics.h>
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#endif
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#include <stdio.h>
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#include <stddef.h>
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#include <time.h>
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#include <boolean.h>
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#include <stdint.h>
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#include <string.h>
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#include <file/file_path.h>
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#include <compat/strl.h>
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#include <formats/rbmp.h>
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#if defined(HAVE_ZLIB_DEFLATE) && defined(HAVE_RPNG)
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#include <formats/rpng.h>
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#define IMG_EXT "png"
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#else
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#define IMG_EXT "bmp"
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#endif
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#include "general.h"
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#include "msg_hash.h"
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#include "gfx/scaler/scaler.h"
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#include "retroarch.h"
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#include "screenshot.h"
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#include "verbosity.h"
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#include "gfx/video_driver.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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/* Take frame bottom-up. */
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static bool screenshot_dump(const char *folder, const void *frame,
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unsigned width, unsigned height, int pitch, bool bgr24)
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{
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bool ret;
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char filename[PATH_MAX_LENGTH];
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char shotname[256];
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#if defined(HAVE_ZLIB_DEFLATE) && defined(HAVE_RPNG)
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uint8_t *out_buffer = NULL;
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struct scaler_ctx scaler = {0};
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#endif
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fill_dated_filename(shotname, IMG_EXT, sizeof(shotname));
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fill_pathname_join(filename, folder, shotname, sizeof(filename));
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#ifdef _XBOX1
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d3d_video_t *d3d = (d3d_video_t*)video_driver_get_ptr(true);
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settings_t *settings = config_get_ptr();
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D3DSurface *surf = NULL;
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d3d->dev->GetBackBuffer(-1, D3DBACKBUFFER_TYPE_MONO, &surf);
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ret = XGWriteSurfaceToFile(surf, filename);
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surf->Release();
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if(ret == S_OK)
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ret = true;
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else
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ret = false;
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#elif defined(HAVE_ZLIB_DEFLATE) && defined(HAVE_RPNG)
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out_buffer = (uint8_t*)malloc(width * height * 3);
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if (!out_buffer)
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return false;
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scaler.in_width = width;
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scaler.in_height = height;
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scaler.out_width = width;
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scaler.out_height = height;
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scaler.in_stride = -pitch;
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scaler.out_stride = width * 3;
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scaler.out_fmt = SCALER_FMT_BGR24;
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scaler.scaler_type = SCALER_TYPE_POINT;
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if (bgr24)
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scaler.in_fmt = SCALER_FMT_BGR24;
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else if (video_driver_get_pixel_format() == RETRO_PIXEL_FORMAT_XRGB8888)
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scaler.in_fmt = SCALER_FMT_ARGB8888;
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else
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scaler.in_fmt = SCALER_FMT_RGB565;
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scaler_ctx_gen_filter(&scaler);
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scaler_ctx_scale(&scaler, out_buffer,
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(const uint8_t*)frame + ((int)height - 1) * pitch);
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scaler_ctx_gen_reset(&scaler);
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RARCH_LOG("Using RPNG for PNG screenshots.\n");
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ret = rpng_save_image_bgr24(filename,
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out_buffer, width, height, width * 3);
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free(out_buffer);
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#else
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ret = rbmp_save_image(filename, frame, width, height, pitch, bgr24,
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(video_driver_get_pixel_format() == RETRO_PIXEL_FORMAT_XRGB8888) );
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#endif
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if (!ret)
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RARCH_ERR("Failed to take screenshot.\n");
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return ret;
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}
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static bool take_screenshot_viewport(void)
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{
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char screenshot_path[PATH_MAX_LENGTH] = {0};
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const char *screenshot_dir = NULL;
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uint8_t *buffer = NULL;
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bool retval = false;
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struct video_viewport vp = {0};
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settings_t *settings = config_get_ptr();
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global_t *global = global_get_ptr();
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video_driver_viewport_info(&vp);
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if (!vp.width || !vp.height)
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return false;
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if (!(buffer = (uint8_t*)malloc(vp.width * vp.height * 3)))
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return false;
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if (!video_driver_ctl(RARCH_DISPLAY_CTL_READ_VIEWPORT, buffer))
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goto done;
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screenshot_dir = settings->screenshot_directory;
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if (!*settings->screenshot_directory)
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{
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fill_pathname_basedir(screenshot_path, global->name.base,
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sizeof(screenshot_path));
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screenshot_dir = screenshot_path;
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}
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/* Data read from viewport is in bottom-up order, suitable for BMP. */
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if (!screenshot_dump(screenshot_dir, buffer, vp.width, vp.height,
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vp.width * 3, true))
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goto done;
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retval = true;
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done:
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if (buffer)
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free(buffer);
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return retval;
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}
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static bool take_screenshot_raw(void)
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{
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unsigned width, height;
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size_t pitch;
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char screenshot_path[PATH_MAX_LENGTH] = {0};
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const void *data = NULL;
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const char *screenshot_dir = NULL;
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global_t *global = global_get_ptr();
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settings_t *settings = config_get_ptr();
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video_driver_cached_frame_get(&data, &width, &height, &pitch);
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screenshot_dir = settings->screenshot_directory;
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if (!*settings->screenshot_directory)
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{
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fill_pathname_basedir(screenshot_path, global->name.base,
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sizeof(screenshot_path));
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screenshot_dir = screenshot_path;
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}
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/* Negative pitch is needed as screenshot takes bottom-up,
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* but we use top-down.
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*/
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return screenshot_dump(screenshot_dir,
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(const uint8_t*)data + (height - 1) * pitch,
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width, height, -pitch, false);
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}
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static bool take_screenshot_choice(void)
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{
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global_t *global = global_get_ptr();
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settings_t *settings = config_get_ptr();
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/* No way to infer screenshot directory. */
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if ((!*settings->screenshot_directory) && (!*global->name.base))
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return false;
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if (video_driver_ctl(RARCH_DISPLAY_CTL_SUPPORTS_VIEWPORT_READ, NULL))
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{
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/* Avoid taking screenshot of GUI overlays. */
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video_driver_set_texture_enable(false, false);
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video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_RENDER, NULL);
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return take_screenshot_viewport();
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}
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else if (!video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_HAS_VALID_FB, NULL))
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return take_screenshot_raw();
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else if (video_driver_ctl(RARCH_DISPLAY_CTL_SUPPORTS_READ_FRAME_RAW, NULL))
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{
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unsigned old_width, old_height;
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size_t old_pitch;
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void *frame_data;
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bool ret = false;
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const void* old_data = NULL;
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video_driver_cached_frame_get(&old_data, &old_width, &old_height,
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&old_pitch);
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frame_data = video_driver_read_frame_raw(
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&old_width, &old_height, &old_pitch);
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video_driver_cached_frame_set(old_data, old_width, old_height,
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old_pitch);
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if (frame_data)
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{
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video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_SET_PTR, (void*)frame_data);
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if (take_screenshot_raw())
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ret = true;
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free(frame_data);
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}
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return ret;
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}
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return false;
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}
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/**
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* take_screenshot:
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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bool take_screenshot(void)
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{
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bool is_paused;
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const char *msg_screenshot = NULL;
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const char *msg = NULL;
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bool ret = take_screenshot_choice();
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if (ret)
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msg_screenshot = msg_hash_to_str(MSG_TAKING_SCREENSHOT);
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else
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msg_screenshot = msg_hash_to_str(MSG_FAILED_TO_TAKE_SCREENSHOT);
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msg = msg_screenshot;
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RARCH_LOG("%s.\n", msg);
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is_paused = runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL);
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runloop_msg_queue_push(msg, 1, is_paused ? 1 : 180, true);
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if (is_paused)
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video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_RENDER, NULL);
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return ret;
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}
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