context | Device context. |
positionOffset | Offset measured from the beginning of the probe position buffer. |
positionCount | Number of probes to integrate. |
sampleCount | Number of samples to take. |
ignoreDirectEnvironment | Ignore environment lighting when computing direct contribution. |
radianceEstimateOut | Buffer slice to write the radiance estimate into. |
void Return code.
Integrate direct radiance.
The integrator does spherical sampling of incoming direct radiance for each probe position.