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Windows driver
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alphanu1 2018-03-26 21:02:50 +01:00 committed by GitHub
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139
gfx/video_crt_win.c Normal file
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/* CRT SwitchRes Core
* Copyright (C) 2018 Ben Templeman.
*
* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - 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 <stddef.h>
#include <string.h>
#include <windows.h>
#include <stdlib.h>
#include "video_crt_switch.h"
void switch_res(int width, int height, int f_restore)
{ /* windows function to swith resolutions */
DEVMODE curDevmode;
DEVMODE devmode;
DWORD flags = 0;
int iModeNum;
int depth = 0;
int freq;
if (f_restore == 0)
{
freq = ra_set_core_hz;
}
else
{
freq = 0;
}
EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &curDevmode);
if (width == curDevmode.dmPelsWidth)
{
width = 0; /* used to stop superresolution bug */
}
if (width == 0)
{
width = curDevmode.dmPelsWidth;
}
if (height == 0)
{
height = curDevmode.dmPelsHeight;
}
if (depth == 0)
{
depth = curDevmode.dmBitsPerPel;
}
if (freq == 0)
{
freq = curDevmode.dmDisplayFrequency;
}
for (iModeNum = 0; ; iModeNum++)
{
if (EnumDisplaySettings(NULL, iModeNum, &devmode))
{
if (devmode.dmPelsWidth != width)
{
continue;
}
if (devmode.dmPelsHeight != height)
{
continue;
}
if (devmode.dmBitsPerPel != depth)
{
continue;
}
if (devmode.dmDisplayFrequency != freq)
{
continue;
}
devmode.dmFields |= DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY;
LONG res = ChangeDisplaySettings(&devmode, CDS_TEST);
switch (res)
{
case DISP_CHANGE_SUCCESSFUL:
res = ChangeDisplaySettings(&devmode, flags);
switch (res)
{
case DISP_CHANGE_SUCCESSFUL:
return;
case DISP_CHANGE_NOTUPDATED:
return;
default:
break;
}
break;
case DISP_CHANGE_RESTART:
break;
default:
break;
}
}
else
{
break;
}
}
}
void video_restore()
{
switch_res(orig_width, orig_height,1);
}

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gfx/video_crt_win.h Normal file
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/* CRT SwitchRes Core
* Copyright (C) 2018 Ben Templeman.
*
* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - 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/>.
*/
void switch_res(int width, int height, int f_restore);
void video_restore();