#ifndef __SHADERENV_H
#define __SHADERENV_H


////////////
//-- ssao + gi parameters

#define NUM_SAMPLES 8
//#define NUM_SAMPLES 16

// for quadratic falloff
//#define SAMPLE_INTENSITY 0.1f
#define SAMPLE_INTENSITY 0.07f
//#define SAMPLE_INTENSITY 0.015f

#define SAMPLE_RADIUS 8e-1f

//#define DISTANCE_SCALE 1e-1f
#define DISTANCE_SCALE 1e-2f
//#define DISTANCE_SCALE 0.2f

//#define ILLUM_INTENSITY 8e-2f
#define ILLUM_INTENSITY 5e-3f

#define VIEW_CORRECTION_SCALE 1.0f


////////
//-- reprojection

//#define MIN_DEPTH_DIFF 2e-2f
#define MIN_DEPTH_DIFF 5e-3f
#define PRECISION_SCALE 1e-1f


/////////
//-- shadowing

#define NUM_PCF_TABS 16


//////////
//-- Tone mapping

#define MINLOGLUM (-10.0f)
#define MAXLOGLUM 10.0f

#define INV_LOGLUM_RANGE 0.05f
#define LOGLUM_RANGE 20.0f

#define MAX_LOD_LEVEL 10
// burnout (really bright regions will be saturated to white)
#define WHITE_LUMINANCE 3e4f


///////////////////

#define NUM_DOWNSAMPLES 9

#define NUM_SSAO_FILTERSAMPLES 50
//#define NUM_SSAO_FILTERSAMPLES 40
//#define NUM_SSAO_FILTERSAMPLES 100



#endif // __SHADERENV_H