diff options
Diffstat (limited to 'src/ipa/ipu3/ipu3.cpp')
| -rw-r--r-- | src/ipa/ipu3/ipu3.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp index c925cf64..30d2a539 100644 --- a/src/ipa/ipu3/ipu3.cpp +++ b/src/ipa/ipu3/ipu3.cpp @@ -457,6 +457,17 @@ void IPAIPU3::processControls([[maybe_unused]] unsigned int frame, void IPAIPU3::fillParams(unsigned int frame, ipu3_uapi_params *params) { + /* + * The incoming params buffer may contain uninitialised data, or the + * parameters of previously queued frames. Clearing the entire buffer + * may be an expensive operation, and the kernel will only read from + * structures which have their associated use-flag set. + * + * It is the responsibility of the algorithms to set the use flags + * accordingly for any data structure they update during prepare(). + */ + params->use = {}; + for (auto const &algo : algorithms_) algo->prepare(context_, params); |