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engine: added feature flag ENGINE_LINEAR_GAMMA_SPACE

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This commit is contained in:
SNMetamorph 2021-12-08 19:49:18 +04:00 committed by a1batross
parent ac213c22ed
commit aa07dab8ab
2 changed files with 10 additions and 2 deletions
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1
common/enginefeatures.h
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@ -25,5 +25,6 @@ GNU General Public License for more details.
#define ENGINE_COMPENSATE_QUAKE_BUG (1<<5) // compensate stupid quake bug (inverse pitch) for mods where this bug is fixed
#define ENGINE_IMPROVED_LINETRACE (1<<6) // new traceline that tracing through alphatextures
#define ENGINE_COMPUTE_STUDIO_LERP (1<<7) // enable MOVETYPE_STEP lerping back in engine
#define ENGINE_LINEAR_GAMMA_SPACE (1<<8) // disable influence of gamma/brightness cvars to textures/lightmaps, for mods with custom renderer
#endif//FEATURES_H

11
engine/common/gamma.c
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@ -15,6 +15,7 @@ GNU General Public License for more details.
#include "common.h"
#include "xash3d_mathlib.h"
#include "enginefeatures.h"
//-----------------------------------------------------------------------------
// Gamma conversion support
@ -78,10 +79,16 @@ void BuildGammaTable( float lightgamma, float brightness )
byte LightToTexGamma( byte b )
{
return lightgammatable[b];
if( host.features & ENGINE_LINEAR_GAMMA_SPACE )
return b;
else
return lightgammatable[b];
}
byte TextureToGamma( byte b )
{
return texgammatable[b];
if( host.features & ENGINE_LINEAR_GAMMA_SPACE )
return b;
else
return texgammatable[b];
}