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#ifndef _TONE_MAPPING_STRUCTURES_FXH_
#define _TONE_MAPPING_STRUCTURES_FXH_
#ifdef __cplusplus
# ifndef BOOL
# define BOOL int32_t // Do not use bool, because sizeof(bool)==1 !
# endif
# ifndef TRUE
# define TRUE 1
# endif
# ifndef CHECK_STRUCT_ALIGNMENT
// Note that defining empty macros causes GL shader compilation error on Mac, because
// it does not allow standalone semicolons outside of main.
// On the other hand, adding semicolon at the end of the macro definition causes gcc error.
# define CHECK_STRUCT_ALIGNMENT(s) static_assert( sizeof(s) % 16 == 0, "sizeof(" #s ") is not multiple of 16" )
# endif
# ifndef DEFAULT_VALUE
# define DEFAULT_VALUE(x) =x
# endif
#else
# ifndef BOOL
# define BOOL bool
# endif
# ifndef DEFAULT_VALUE
# define DEFAULT_VALUE(x)
# endif
#endif
// Tone mapping mode
#define TONE_MAPPING_MODE_EXP 0
#define TONE_MAPPING_MODE_REINHARD 1
#define TONE_MAPPING_MODE_REINHARD_MOD 2
#define TONE_MAPPING_MODE_UNCHARTED2 3
#define TONE_MAPPING_FILMIC_ALU 4
#define TONE_MAPPING_LOGARITHMIC 5
#define TONE_MAPPING_ADAPTIVE_LOG 6
struct ToneMappingAttribs
{
// Tone mapping mode.
int iToneMappingMode DEFAULT_VALUE(TONE_MAPPING_MODE_UNCHARTED2);
// Automatically compute exposure to use in tone mapping.
BOOL bAutoExposure DEFAULT_VALUE(TRUE);
// Middle gray value used by tone mapping operators.
float fMiddleGray DEFAULT_VALUE(0.18f);
// Simulate eye adaptation to light changes.
BOOL bLightAdaptation DEFAULT_VALUE(TRUE);
// White point to use in tone mapping.
float fWhitePoint DEFAULT_VALUE(3.f);
// Luminance point to use in tone mapping.
float fLuminanceSaturation DEFAULT_VALUE(1.f);
uint Padding0;
uint Padding1;
};
#ifdef CHECK_STRUCT_ALIGNMENT
CHECK_STRUCT_ALIGNMENT(ToneMappingAttribs);
#endif
#endif // _TONE_MAPPING_STRUCTURES_FXH_
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