rockbox/firmware/target/hosted/sdl/window-sdl.h
Christian Soffke fa8b095f29 sdl: fix: concurrent drawing on Windows
On Windows, we need to prevent the event thread
from drawing at the same time as the main thread,
when window is being adjusted.

Change-Id: I2b4e4a50fec427e53e310593850e2a556a594b31
2024-12-26 12:24:24 +01:00

44 lines
1.7 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
*
* This program 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 Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __WINDOWSDL_H__
#define __WINDOWSDL_H__
#include "SDL.h"
extern SDL_Texture *gui_texture; /* Window content, including background */
extern SDL_Surface *sim_lcd_surface; /* LCD content */
extern SDL_mutex *window_mutex; /* prevent concurrent drawing from event thread &
main thread on MS Windows */
/* Renders GUI texture. Sets up new texture, if necessary */
void sdl_window_render(void);
/* Updates size, aspect ratio, and re-renders window content */
bool sdl_window_adjust(void);
/* Needs to be called when window size, scale quality, or background should change */
void sdl_window_adjustment_needed(bool destroy_texture);
/* Creates window, renderer, and LCD surface when app launches */
void sdl_window_setup(void);
#endif /* #ifndef __WINDOWSDL_H__ */