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[idd] hdr: propagate per-frame HDR metadata

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Handle DEFAULT, NEW, and UNCHANGED IDDCX HDR10 metadata states and
publish valid mastering metadata through KVMFR. Preserve the metadata
across post-processing without reallocating resources for
metadata-only changes.
This commit is contained in:
Geoffrey McRae
2026-07-19 02:13:57 +10:00
parent 624fa9f8bc
commit 1f6dbb0dae
8 changed files with 139 additions and 38 deletions
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22
idd/LGIdd/CPostProcessor.cpp
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@@ -17,8 +17,21 @@
#include "effect/CHDR16to10Effect.h"
#include "effect/CRGB24Effect.h"
#include <cstring>
#include <utility>
static void CopyHDRMetadata(D12FrameFormat& dst, const D12FrameFormat& src)
{
dst.hdrMetadata = src.hdrMetadata;
dst.sdrWhiteLevel = src.sdrWhiteLevel;
std::memcpy(dst.displayPrimary, src.displayPrimary, sizeof(dst.displayPrimary));
std::memcpy(dst.whitePoint, src.whitePoint, sizeof(dst.whitePoint));
dst.maxDisplayLuminance = src.maxDisplayLuminance;
dst.minDisplayLuminance = src.minDisplayLuminance;
dst.maxContentLightLevel = src.maxContentLightLevel;
dst.maxFrameAverageLightLevel = src.maxFrameAverageLightLevel;
}
bool CPostProcessor::Init(std::shared_ptr<CD3D12Device> dx12Device)
{
m_dx12Device = dx12Device;
@@ -73,9 +86,14 @@ bool CPostProcessor::Configure(const D12FrameFormat& srcFormat, bool * formatCha
srcFormat.width == m_srcFormat.width &&
srcFormat.height == m_srcFormat.height &&
srcFormat.hdr == m_srcFormat.hdr &&
srcFormat.hdrPQ == m_srcFormat.hdrPQ &&
srcFormat.sdrWhiteLevel == m_srcFormat.sdrWhiteLevel)
srcFormat.hdrPQ == m_srcFormat.hdrPQ)
{
// Static HDR metadata may change independently of the resource format.
// Propagate it without recreating textures or post-processing state.
CopyHDRMetadata(m_srcFormat, srcFormat);
CopyHDRMetadata(m_dstFormat, srcFormat);
return true;
}
D12FrameFormat oldDst = m_dstFormat;
D12FrameFormat cur = srcFormat;