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[idd/client] apply the Windows display color transform

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Honor the IddCx 3x4 XYZ matrix and post-transfer LUT in the IDD
conversion pipeline. Carry transform changes to the client so EGL applies
the same calibration to hardware cursors, and invalidate the full frame
whenever calibration changes.
This commit is contained in:
Geoffrey McRae
2026-07-19 03:11:42 +10:00
parent ad5d7753e8
commit 26ca90893a
17 changed files with 766 additions and 48 deletions
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10
idd/LGIdd/CPostProcessor.h
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@@ -34,6 +34,15 @@ enum class PostProcessStatus
FAILED
};
struct D12ColorTransform
{
bool matrixEnabled = false;
float matrix[3][4] = {};
float scalar = 1.0f;
bool lutEnabled = false;
float lut[4096][4] = {};
};
struct D12FrameFormat
{
D3D12_RESOURCE_DESC desc = {};
@@ -44,6 +53,7 @@ struct D12FrameFormat
bool hdrPQ = false;
bool hdrMetadata = false;
uint32_t sdrWhiteLevel = KVMFR_SDR_WHITE_LEVEL_DEFAULT;
std::shared_ptr<const D12ColorTransform> colorTransform;
// HDR static metadata (SMPTE ST 2086)
// Display color primaries in 0.00002 units (xy coordinates)