mirror of
https://github.com/Q3Rally-Team/rallyunlimited-engine.git
synced 2024-11-22 20:31:10 +00:00
279 lines
6.9 KiB
C
279 lines
6.9 KiB
C
/*
|
|
===========================================================================
|
|
Copyright (C) 1999-2005 Id Software, Inc.
|
|
|
|
This file is part of Quake III Arena source code.
|
|
|
|
Quake III Arena 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 2 of the License,
|
|
or (at your option) any later version.
|
|
|
|
Quake III Arena 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 Quake III Arena source code; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
===========================================================================
|
|
*/
|
|
/*
|
|
** WIN_GAMMA.C
|
|
*/
|
|
#include "../renderer/tr_local.h"
|
|
#include "../qcommon/qcommon.h"
|
|
#include "glw_win.h"
|
|
#include "win_local.h"
|
|
|
|
static unsigned short s_oldHardwareGamma[3][256];
|
|
|
|
static BOOL IsCurrentSessionRemoteable( void )
|
|
{
|
|
BOOL fIsRemoteable = FALSE;
|
|
|
|
if ( GetSystemMetrics( SM_REMOTESESSION ) )
|
|
{
|
|
fIsRemoteable = TRUE;
|
|
}
|
|
else
|
|
{
|
|
#define TERMINAL_SERVER_KEY TEXT( "SYSTEM\\CurrentControlSet\\Control\\Terminal Server\\" )
|
|
#define GLASS_SESSION_ID TEXT( "GlassSessionId" )
|
|
|
|
HKEY hRegKey = NULL;
|
|
LONG lResult;
|
|
|
|
lResult = RegOpenKeyEx( HKEY_LOCAL_MACHINE, TERMINAL_SERVER_KEY, 0, KEY_READ, &hRegKey );
|
|
|
|
if ( lResult == ERROR_SUCCESS )
|
|
{
|
|
DWORD dwGlassSessionId;
|
|
DWORD cbGlassSessionId = sizeof(dwGlassSessionId);
|
|
DWORD dwType;
|
|
|
|
lResult = RegQueryValueEx( hRegKey, GLASS_SESSION_ID, NULL, &dwType, (BYTE*)&dwGlassSessionId, &cbGlassSessionId );
|
|
|
|
if ( lResult == ERROR_SUCCESS )
|
|
{
|
|
DWORD dwCurrentSessionId;
|
|
|
|
if ( ProcessIdToSessionId( GetCurrentProcessId(), &dwCurrentSessionId ) )
|
|
{
|
|
fIsRemoteable = ( dwCurrentSessionId != dwGlassSessionId );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( hRegKey )
|
|
{
|
|
RegCloseKey( hRegKey );
|
|
}
|
|
}
|
|
|
|
return fIsRemoteable;
|
|
}
|
|
|
|
|
|
/*
|
|
** GLW_InitGamma
|
|
**
|
|
** Determines if the underlying hardware supports the Win32 gamma correction API.
|
|
*/
|
|
void GLimp_InitGamma( glconfig_t *config )
|
|
{
|
|
HDC hDC;
|
|
|
|
config->deviceSupportsGamma = qfalse;
|
|
|
|
if ( IsCurrentSessionRemoteable() )
|
|
{
|
|
glw_state.deviceSupportsGamma = qfalse;
|
|
return; // no hardware gamma control via RDP
|
|
}
|
|
|
|
if ( glw_state.displayName[0] )
|
|
{
|
|
hDC = CreateDC( TEXT( "DISPLAY" ), glw_state.displayName, NULL, NULL );
|
|
config->deviceSupportsGamma = ( GetDeviceGammaRamp( hDC, s_oldHardwareGamma ) == FALSE ) ? qfalse : qtrue;
|
|
if ( config->deviceSupportsGamma )
|
|
{
|
|
// do test setup
|
|
if ( SetDeviceGammaRamp( hDC, s_oldHardwareGamma ) == FALSE )
|
|
{
|
|
config->deviceSupportsGamma = qfalse;
|
|
}
|
|
}
|
|
DeleteDC( hDC );
|
|
}
|
|
else
|
|
{
|
|
hDC = GetDC( GetDesktopWindow() );
|
|
config->deviceSupportsGamma = ( GetDeviceGammaRamp( hDC, s_oldHardwareGamma ) == FALSE ) ? qfalse : qtrue;
|
|
if ( config->deviceSupportsGamma )
|
|
{
|
|
if ( SetDeviceGammaRamp( hDC, s_oldHardwareGamma ) == FALSE )
|
|
{
|
|
config->deviceSupportsGamma = qfalse;
|
|
}
|
|
}
|
|
ReleaseDC( GetDesktopWindow(), hDC );
|
|
}
|
|
|
|
if ( config->deviceSupportsGamma )
|
|
{
|
|
//
|
|
// do a sanity check on the gamma values
|
|
//
|
|
if ( ( HIBYTE( s_oldHardwareGamma[0][255] ) <= HIBYTE( s_oldHardwareGamma[0][0] ) ) ||
|
|
( HIBYTE( s_oldHardwareGamma[1][255] ) <= HIBYTE( s_oldHardwareGamma[1][0] ) ) ||
|
|
( HIBYTE( s_oldHardwareGamma[2][255] ) <= HIBYTE( s_oldHardwareGamma[2][0] ) ) )
|
|
{
|
|
config->deviceSupportsGamma = qfalse;
|
|
Com_Printf( S_COLOR_YELLOW "WARNING: device has broken gamma support\n" );
|
|
}
|
|
|
|
//
|
|
// make sure that we didn't have a prior crash in the game, and if so we need to
|
|
// restore the gamma values to at least a linear value
|
|
//
|
|
if ( ( HIBYTE( s_oldHardwareGamma[0][181] ) == 255 ) )
|
|
{
|
|
int g;
|
|
|
|
Com_Printf( S_COLOR_YELLOW "WARNING: suspicious gamma tables, using linear ramp for restoration\n" );
|
|
|
|
for ( g = 0; g < 256; g++ )
|
|
{
|
|
s_oldHardwareGamma[0][g] = g << 8;
|
|
s_oldHardwareGamma[1][g] = g << 8;
|
|
s_oldHardwareGamma[2][g] = g << 8;
|
|
}
|
|
}
|
|
} // if ( config->deviceSupportsGamma )
|
|
|
|
glw_state.deviceSupportsGamma = config->deviceSupportsGamma;
|
|
}
|
|
|
|
|
|
/*
|
|
void mapGammaMax( void ) {
|
|
int i, j;
|
|
unsigned short table[3][256];
|
|
|
|
// try to figure out what win2k will let us get away with setting
|
|
for ( i = 0 ; i < 256 ; i++ ) {
|
|
if ( i >= 128 ) {
|
|
table[0][i] = table[1][i] = table[2][i] = 0xffff;
|
|
} else {
|
|
table[0][i] = table[1][i] = table[2][i] = i<<9;
|
|
}
|
|
}
|
|
|
|
for ( i = 0 ; i < 128 ; i++ ) {
|
|
for ( j = i*2 ; j < 255 ; j++ ) {
|
|
table[0][i] = table[1][i] = table[2][i] = j<<8;
|
|
if ( !SetDeviceGammaRamp( glw_state.hDC, table ) ) {
|
|
break;
|
|
}
|
|
}
|
|
table[0][i] = table[1][i] = table[2][i] = i<<9;
|
|
Com_Printf( "index %i max: %i\n", i, j-1 );
|
|
}
|
|
}
|
|
*/
|
|
|
|
|
|
/*
|
|
** GLimp_SetGamma
|
|
**
|
|
** This routine should only be called if glConfig.deviceSupportsGamma is TRUE
|
|
*/
|
|
void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned char blue[256] ) {
|
|
unsigned short table[3][256];
|
|
int i, j;
|
|
BOOL ret;
|
|
HDC hDC;
|
|
|
|
if ( /*!glw_state.hDC* ||*/ !gw_active )
|
|
return;
|
|
|
|
//mapGammaMax();
|
|
|
|
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];
|
|
}
|
|
|
|
// Win2K and newer put this odd restriction on gamma ramps...
|
|
Com_DPrintf( "performing gamma clamp.\n" );
|
|
for ( j = 0 ; j < 3 ; j++ ) {
|
|
for ( i = 0 ; i < 128 ; i++ ) {
|
|
if ( table[j][i] > ( (128+i) << 8 ) ) {
|
|
table[j][i] = (128+i) << 8;
|
|
}
|
|
}
|
|
if ( table[j][127] > 254<<8 ) {
|
|
table[j][127] = 254<<8;
|
|
}
|
|
}
|
|
|
|
// enforce constantly increasing
|
|
for ( j = 0 ; j < 3 ; j++ ) {
|
|
for ( i = 1 ; i < 256 ; i++ ) {
|
|
if ( table[j][i] < table[j][i-1] ) {
|
|
table[j][i] = table[j][i-1];
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( glw_state.displayName[0] ) {
|
|
hDC = CreateDC( TEXT( "DISPLAY" ), glw_state.displayName, NULL, NULL );
|
|
ret = SetDeviceGammaRamp( hDC, table );
|
|
DeleteDC( hDC );
|
|
} else {
|
|
hDC = GetDC( GetDesktopWindow() );
|
|
ret = SetDeviceGammaRamp( hDC, table );
|
|
ReleaseDC( GetDesktopWindow(), hDC );
|
|
}
|
|
|
|
if ( !ret ) {
|
|
Com_Printf( S_COLOR_YELLOW "SetDeviceGammaRamp failed.\n" );
|
|
} else {
|
|
glw_state.gammaSet = qtrue;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
** GLW_RestoreGamma
|
|
*/
|
|
void GLW_RestoreGamma( void )
|
|
{
|
|
HDC hDC;
|
|
BOOL ret;
|
|
|
|
if ( !glw_state.gammaSet ) {
|
|
return;
|
|
}
|
|
|
|
if ( !glw_state.deviceSupportsGamma ) {
|
|
return;
|
|
}
|
|
|
|
if ( glw_state.displayName[0] ) {
|
|
hDC = CreateDC( TEXT( "DISPLAY" ), glw_state.displayName, NULL, NULL );
|
|
ret = SetDeviceGammaRamp( hDC, s_oldHardwareGamma );
|
|
DeleteDC( hDC);
|
|
} else {
|
|
hDC = GetDC( GetDesktopWindow() );
|
|
ret = SetDeviceGammaRamp( hDC, s_oldHardwareGamma );
|
|
ReleaseDC( GetDesktopWindow(), hDC );
|
|
}
|
|
|
|
if ( ret ) {
|
|
glw_state.gammaSet = qfalse;
|
|
}
|
|
}
|