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[idd] hdr: publish only per-content metadata

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Monitor-default HDR metadata describes the virtual display rather than
the captured content. Do not expose it through KVMFR or use it to select
downstream processing limits.

Only publish explicit NEW frame metadata and otherwise use the complete
PQ range internally.
This commit is contained in:
Geoffrey McRae
2026-07-19 20:41:36 +10:00
parent e18925f436
commit ad7d869aa1
5 changed files with 22 additions and 109 deletions
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14
idd/LGIdd/Device.cpp
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@@ -191,17 +191,11 @@ NTSTATUS LGIddAdapterCommitModes2(IDDCX_ADAPTER adapter, const IDARG_IN_COMMITMO
NTSTATUS LGIddMonitorSetDefaultHdrMetadata(IDDCX_MONITOR monitor,
const IDARG_IN_MONITOR_SET_DEFAULT_HDR_METADATA* inArgs)
{
auto* wrapper = WdfObjectGet_CIndirectMonitorContextWrapper(monitor);
auto* ctx = wrapper->context->GetDeviceContext();
if (ctx->IsSoftwareMode())
{
ctx->SetHDRActive(nullptr);
return STATUS_SUCCESS;
}
ctx->SetHDRActive(inArgs->Data.pHdr10);
UNREFERENCED_PARAMETER(monitor);
UNREFERENCED_PARAMETER(inArgs);
// This metadata describes the virtual monitor. Explicit per-content HDR10
// metadata is obtained from the swap chain and forwarded separately.
return STATUS_SUCCESS;
}