- remove PCF "low" quality, we only use "HARD" now, when using PCF. Higher quality levels are achieved by using VSM. - added a version of PCF that doesn't use a shadowSampler for future use.
- remove PCF "low" quality, we only use "HARD" now, when using PCF. Higher quality levels are achieved by using VSM. - added a version of PCF that doesn't use a shadowSampler for future use.