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Fix issue where gamma was being corrupted on windows with night light enabled

meow-7.2.2
Drake Arconis 2019-02-08 19:26:28 -08:00
parent 2672194b1d
commit 6308743fd2
2 changed files with 23 additions and 6 deletions
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24
indra/llwindow/llwindowwin32.cpp
View File

@ -425,6 +425,9 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
mKeyVirtualKey = 0;
mhDC = NULL;
mhRC = NULL;
memset(mCurrentGammaRamp, 0, sizeof(mCurrentGammaRamp));
memset(mPrevGammaRamp, 0, sizeof(mPrevGammaRamp));
mCustomGammaSet = FALSE;
if (!SystemParametersInfo(SPI_GETMOUSEVANISH, 0, &mMouseVanish, 0))
{
@ -2989,13 +2992,26 @@ F32 LLWindowWin32::getGamma()
BOOL LLWindowWin32::restoreGamma()
{
return SetDeviceGammaRamp(mhDC, mPrevGammaRamp);
if (mCustomGammaSet != FALSE)
{
mCustomGammaSet = FALSE;
return SetDeviceGammaRamp(mhDC, mPrevGammaRamp);
}
return TRUE;
}
BOOL LLWindowWin32::setGamma(const F32 gamma)
{
mCurrentGamma = gamma;
//Get the previous gamma ramp to restore later.
if (mCustomGammaSet == FALSE)
{
if (GetDeviceGammaRamp(mhDC, mPrevGammaRamp) == FALSE)
return FALSE;
mCustomGammaSet = TRUE;
}
LL_DEBUGS("Window") << "Setting gamma to " << gamma << LL_ENDL;
for ( int i = 0; i < 256; ++i )
@ -3007,9 +3023,9 @@ BOOL LLWindowWin32::setGamma(const F32 gamma)
if ( value > 0xffff )
value = 0xffff;
mCurrentGammaRamp [ 0 * 256 + i ] =
mCurrentGammaRamp [ 1 * 256 + i ] =
mCurrentGammaRamp [ 2 * 256 + i ] = ( WORD )value;
mCurrentGammaRamp[0][i] =
mCurrentGammaRamp[1][i] =
mCurrentGammaRamp[2][i] = (WORD) value;
};
return SetDeviceGammaRamp ( mhDC, mCurrentGammaRamp );

5
indra/llwindow/llwindowwin32.h
View File

@ -184,8 +184,9 @@ protected:
F32 mCurrentGamma;
U32 mFSAASamples;
WORD mPrevGammaRamp[256*3];
WORD mCurrentGammaRamp[256*3];
WORD mPrevGammaRamp[3][256];
WORD mCurrentGammaRamp[3][256];
BOOL mCustomGammaSet;
LPWSTR mIconResource;
BOOL mMousePositionModified;