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* use the Win2k gamma clamp thing on Vista too (raynorpat)

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This commit is contained in:
Tony J. White = 2007-03-01 22:02:25 +00:00
parent c6249fcc25
commit ddc848dced
1 changed files with 4 additions and 4 deletions
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8
code/win32/win_gamma.c
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@ -148,11 +148,11 @@ void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned
table[2][i] = ( ( ( unsigned short ) blue[i] ) << 8 ) | blue[i]; table[2][i] = ( ( ( unsigned short ) blue[i] ) << 8 ) | blue[i];
} }
// Win2K puts this odd restriction on gamma ramps... // Win2K and newer put this odd restriction on gamma ramps...
vinfo.dwOSVersionInfoSize = sizeof(vinfo); vinfo.dwOSVersionInfoSize = sizeof(vinfo);
GetVersionEx( &vinfo ); GetVersionEx( &vinfo );
if ( vinfo.dwMajorVersion == 5 && vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT ) { if ( vinfo.dwMajorVersion >= 5 && vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT ) {
Com_DPrintf( "performing W2K gamma clamp.\n" ); Com_DPrintf( "performing gamma clamp.\n" );
for ( j = 0 ; j < 3 ; j++ ) { for ( j = 0 ; j < 3 ; j++ ) {
for ( i = 0 ; i < 128 ; i++ ) { for ( i = 0 ; i < 128 ; i++ ) {
if ( table[j][i] > ( (128+i) << 8 ) ) { if ( table[j][i] > ( (128+i) << 8 ) ) {
@ -164,7 +164,7 @@ void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned
} }
} }
} else { } else {
Com_DPrintf( "skipping W2K gamma clamp.\n" ); Com_DPrintf( "skipping gamma clamp.\n" );
} }
// enforce constantly increasing // enforce constantly increasing