Avoid running cl_followmodel and cl_leanmodel code if the relative cvars are turned off

[xonotic/darkplaces.git] / vid_shared.c

diff --git a/vid_shared.c b/vid_shared.c
index c60e6efc7c4900b3088b236e98e5745c7b593f3d..843707b48f7b9ba2f9ea03cd7ca4b62fdad2d620 100644 (file)
--- a/vid_shared.c
+++ b/vid_shared.c
@@ -1476,6 +1476,21 @@ static int gamma_forcenextframe = false;
 static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
 static int cachecolorenable, cachehwgamma;
 
+void VID_ApplyGammaToColor(const float *rgb, float *out)
+{
+       int i;
+       if (cachecolorenable)
+       {
+               for (i = 0; i < 3; i++)
+                       out[i] = pow(cachecontrastboost * rgb[i] / ((cachecontrastboost - 1) * rgb[i] + 1), 1.0 / invpow(0.5, 1 - cachegrey[i])) * cachewhite[i] + cacheblack[i];
+       }
+       else
+       {
+               for (i = 0; i < 3; i++)
+                       out[i] = pow(cachecontrastboost * rgb[i] / ((cachecontrastboost - 1) * rgb[i] + 1), 1.0 / cachegamma) * cachecontrast + cachebrightness;
+       }
+}
+
 unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
 qboolean vid_gammatables_trivial = true;
 void VID_BuildGammaTables(unsigned short *ramps, int rampsize)