mirror of
https://github.com/dhewm/dhewm3.git
synced 2024-11-27 14:42:23 +00:00
93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
/*
|
|
===========================================================================
|
|
|
|
Doom 3 GPL Source Code
|
|
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
|
|
|
|
This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
|
|
|
|
Doom 3 Source Code 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Doom 3 Source Code 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 Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
|
|
|
|
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
|
|
|
|
===========================================================================
|
|
*/
|
|
/*
|
|
** WIN_GAMMA.C
|
|
*/
|
|
#include <assert.h>
|
|
#include "win_local.h"
|
|
#include "../../renderer/tr_local.h"
|
|
|
|
static unsigned short s_oldHardwareGamma[3][256];
|
|
|
|
/*
|
|
** WG_GetOldGammaRamp
|
|
**
|
|
*/
|
|
void WG_GetOldGammaRamp( void )
|
|
{
|
|
HDC hDC;
|
|
|
|
hDC = GetDC( GetDesktopWindow() );
|
|
GetDeviceGammaRamp( hDC, s_oldHardwareGamma );
|
|
ReleaseDC( GetDesktopWindow(), hDC );
|
|
|
|
|
|
/*
|
|
** GLimp_SetGamma
|
|
**
|
|
*/
|
|
void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned char blue[256] )
|
|
{
|
|
unsigned short table[3][256];
|
|
int i;
|
|
|
|
if ( !glw_state.hDC )
|
|
{
|
|
return;
|
|
}
|
|
|
|
for ( i = 0; i < 256; i++ )
|
|
{
|
|
table[0][i] = ( ( ( unsigned short ) red[i] ) << 8 ) | red[i];
|
|
table[1][i] = ( ( ( unsigned short ) green[i] ) << 8 ) | green[i];
|
|
table[2][i] = ( ( ( unsigned short ) blue[i] ) << 8 ) | blue[i];
|
|
}
|
|
|
|
if ( !SetDeviceGammaRamp( glw_state.hDC, table ) ) {
|
|
common->Printf( "WARNING: SetDeviceGammaRamp failed.\n" );
|
|
}
|
|
}
|
|
|
|
/*
|
|
** WG_RestoreGamma
|
|
*/
|
|
void WG_RestoreGamma( void )
|
|
{
|
|
HDC hDC;
|
|
|
|
// if we never read in a reasonable looking
|
|
// table, don't write it out
|
|
if ( s_oldHardwareGamma[0][255] == 0 ) {
|
|
return;
|
|
}
|
|
|
|
hDC = GetDC( GetDesktopWindow() );
|
|
SetDeviceGammaRamp( hDC, s_oldHardwareGamma );
|
|
ReleaseDC( GetDesktopWindow(), hDC );
|
|
}
|
|
|