added rpr option
added rpr option

beasterio/FireRays_SDK,FlorentGuinier/RadeonRays_SDK,FlorentGuinier/RadeonRays_SDK,GPUOpen-LibrariesAndSDKs/RadeonRays_SDK,beasterio/FireRays_SDK,beasterio/FireRays_SDK,FlorentGuinier/RadeonRays_SDK,GPUOpen-LibrariesAndSDKs/RadeonRays_SDK,GPUOpen-LibrariesAndSDKs/RadeonRays_SDK