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[idd] disable HDR and post-processing when in software mode

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This commit is contained in:
Geoffrey McRae
2026-07-19 05:51:59 +10:00
parent bea35a030b
commit 653cecadeb
12 changed files with 215 additions and 99 deletions
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37
idd/LGIdd/Device.cpp
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@@ -160,13 +160,20 @@ NTSTATUS LGIddParseMonitorDescription2(const IDARG_IN_PARSEMONITORDESCRIPTION2*
NTSTATUS LGIddAdapterQueryTargetInfo(IDDCX_ADAPTER adapter,
IDARG_IN_QUERYTARGET_INFO* inArgs, IDARG_OUT_QUERYTARGET_INFO* outArgs)
{
UNREFERENCED_PARAMETER(adapter);
UNREFERENCED_PARAMETER(inArgs);
outArgs->TargetCaps =
(IDDCX_TARGET_CAPS)(IDDCX_TARGET_CAPS_WIDE_COLOR_SPACE | IDDCX_TARGET_CAPS_HIGH_COLOR_SPACE);
outArgs->DitheringSupport.Rgb =
(IDDCX_BITS_PER_COMPONENT)(IDDCX_BITS_PER_COMPONENT_8 | IDDCX_BITS_PER_COMPONENT_10);
auto* wrapper = WdfObjectGet_CIndirectDeviceContextWrapper(adapter);
const bool hdr = wrapper && wrapper->context &&
wrapper->context->CanProcessFP16();
outArgs->TargetCaps = hdr ?
(IDDCX_TARGET_CAPS)(IDDCX_TARGET_CAPS_WIDE_COLOR_SPACE |
IDDCX_TARGET_CAPS_HIGH_COLOR_SPACE) :
(IDDCX_TARGET_CAPS)0;
outArgs->DitheringSupport.Rgb = hdr ?
(IDDCX_BITS_PER_COMPONENT)(IDDCX_BITS_PER_COMPONENT_8 |
IDDCX_BITS_PER_COMPONENT_10) :
IDDCX_BITS_PER_COMPONENT_8;
outArgs->DitheringSupport.YCbCr444 = IDDCX_BITS_PER_COMPONENT_NONE;
outArgs->DitheringSupport.YCbCr422 = IDDCX_BITS_PER_COMPONENT_NONE;
outArgs->DitheringSupport.YCbCr420 = IDDCX_BITS_PER_COMPONENT_NONE;
@@ -187,6 +194,12 @@ NTSTATUS LGIddMonitorSetDefaultHdrMetadata(IDDCX_MONITOR monitor,
auto* wrapper = WdfObjectGet_CIndirectMonitorContextWrapper(monitor);
auto* ctx = wrapper->context->GetDeviceContext();
if (ctx->IsSoftwareMode())
{
ctx->SetHDRActive(nullptr);
return STATUS_SUCCESS;
}
ctx->SetHDRActive(inArgs->Data.pHdr10);
return STATUS_SUCCESS;
@@ -197,6 +210,13 @@ NTSTATUS LGIddMonitorSetGammaRamp(IDDCX_MONITOR monitor, const IDARG_IN_SET_GAMM
auto* wrapper = WdfObjectGet_CIndirectMonitorContextWrapper(monitor);
auto* ctx = wrapper->context->GetDeviceContext();
if (ctx->IsSoftwareMode())
{
ctx->SetColorTransform(nullptr);
DEBUG_INFO("Ignoring display color transform in software mode");
return STATUS_SUCCESS;
}
if (inArgs->Type == IDDCX_GAMMARAMP_TYPE_DEFAULT)
{
ctx->SetColorTransform(nullptr);
@@ -236,6 +256,13 @@ NTSTATUS LGIddMonitorSetGammaRamp(IDDCX_MONITOR monitor, const IDARG_IN_SET_GAMM
transform->lut[i][3] = 1.0f;
}
if (IsIdentityColorTransform(*transform))
{
ctx->SetColorTransform(nullptr);
DEBUG_INFO("Ignoring identity display color transform");
return STATUS_SUCCESS;
}
ctx->SetColorTransform(std::move(transform));
DEBUG_INFO("Display color transform updated (matrix:%d lut:%d)",
input->MatrixEnabled, input->LutEnabled);