fceux/src/drivers/Qt/nes_shm.cpp

56 lines
1.6 KiB
C++

/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2020 mjbudd77
*
* 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 program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "Qt/nes_shm.h"
nes_shm_t *nes_shm = NULL;
//************************************************************************
nes_shm_t *open_nes_shm(void)
{
nes_shm_t *vaddr;
vaddr = (nes_shm_t*)malloc( sizeof(struct nes_shm_t) );
memset( vaddr, 0, sizeof(struct nes_shm_t));
vaddr->video.ncol = 256;
vaddr->video.nrow = 256;
vaddr->video.pitch = 256 * 4;
vaddr->video.scale = 1;
vaddr->video.xyRatio = 1;
vaddr->video.preScaler = 0;
return vaddr;
}
//************************************************************************
void close_nes_shm(void)
{
if ( nes_shm )
{
free(nes_shm); nes_shm = NULL;
}
}
//************************************************************************