Async GPU readback state for exposure and histogram. More...

#include <pp_exposure_readback.h>

Data Fields
GLuint	exposure_pbo [2]

GLuint	histogram_pbo [2]

GLsync	exposure_sync [2]

GLsync	histogram_sync [2]

float	current_exposure

float	auto_threshold

int	last_buckets [256]

float	last_min_lum

float	last_max_lum

bool	last_histogram_updated

uint64_t	frame_count

Detailed Description

Async GPU readback state for exposure and histogram.

Field Documentation

◆ auto_threshold

float PPExposureReadback::auto_threshold

Dynamic exposure target.

◆ current_exposure

float PPExposureReadback::current_exposure

Cached exposure from GPU readback.

◆ exposure_pbo

GLuint PPExposureReadback::exposure_pbo[2]

Pixel Buffer Object for mean luma readback.

◆ exposure_sync

GLsync PPExposureReadback::exposure_sync[2]

Sync objects to avoid CPU stalls on exposure readback.

◆ frame_count

uint64_t PPExposureReadback::frame_count

Internal frame counter for readback sync.

◆ histogram_pbo

GLuint PPExposureReadback::histogram_pbo[2]

Pixel Buffer Object for luminance histogram readback.

◆ histogram_sync

GLsync PPExposureReadback::histogram_sync[2]

Sync objects to avoid CPU stalls on histogram readback.

◆ last_buckets

int PPExposureReadback::last_buckets[256]

◆ last_histogram_updated

bool PPExposureReadback::last_histogram_updated

◆ last_max_lum

float PPExposureReadback::last_max_lum

◆ last_min_lum

float PPExposureReadback::last_min_lum

The documentation for this struct was generated from the following file:

include/pp_exposure_readback.h

Data Fields