91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
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// @lint-ignore-every LICENSELINT
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "OculusXRHMD_DynamicResolutionState.h"
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#include "LegacyScreenPercentageDriver.h"
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#if OCULUS_HMD_SUPPORTED_PLATFORMS
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#include "SceneView.h"
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namespace OculusXRHMD
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{
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//-------------------------------------------------------------------------------------------------
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// FDynamicResolutionState implementation
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//-------------------------------------------------------------------------------------------------
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FDynamicResolutionState::FDynamicResolutionState(const OculusXRHMD::FSettingsPtr InSettings)
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: Settings(InSettings)
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, ResolutionFraction(-1.0f)
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, ResolutionFractionUpperBound(-1.0f)
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{
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check(Settings.IsValid());
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}
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void FDynamicResolutionState::ResetHistory(){
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// Empty - Oculus drives resolution fraction externally
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};
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bool FDynamicResolutionState::IsSupported() const
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{
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return true;
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}
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void FDynamicResolutionState::SetupMainViewFamily(class FSceneViewFamily& ViewFamily)
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{
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check(IsInGameThread());
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check(ViewFamily.EngineShowFlags.ScreenPercentage == true);
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if (IsEnabled())
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{
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// Compute desired resolution fraction range
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float MinResolutionFraction = Settings->PixelDensityMin;
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float MaxResolutionFraction = Settings->PixelDensityMax;
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// Clamp resolution fraction to what the renderer can do.
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MinResolutionFraction = FMath::Max(MinResolutionFraction, ISceneViewFamilyScreenPercentage::kMinResolutionFraction);
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MaxResolutionFraction = FMath::Min(MaxResolutionFraction, ISceneViewFamilyScreenPercentage::kMaxResolutionFraction);
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ResolutionFraction = FMath::Clamp(Settings->PixelDensity, MinResolutionFraction, MaxResolutionFraction);
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ResolutionFractionUpperBound = MaxResolutionFraction;
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ViewFamily.SetScreenPercentageInterface(new FLegacyScreenPercentageDriver(ViewFamily, ResolutionFraction, ResolutionFractionUpperBound));
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}
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}
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DynamicRenderScaling::TMap<float> FDynamicResolutionState::GetResolutionFractionsApproximation() const
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{
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DynamicRenderScaling::TMap<float> ResolutionFractions;
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ResolutionFractions.SetAll(1.0f);
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ResolutionFractions[GDynamicPrimaryResolutionFraction] = ResolutionFraction;
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return ResolutionFractions;
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}
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DynamicRenderScaling::TMap<float> FDynamicResolutionState::GetResolutionFractionsUpperBound() const
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{
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DynamicRenderScaling::TMap<float> ResolutionFractions;
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ResolutionFractions.SetAll(1.0f);
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ResolutionFractions[GDynamicPrimaryResolutionFraction] = ResolutionFractionUpperBound;
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return ResolutionFractionUpperBound;
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}
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void FDynamicResolutionState::SetEnabled(bool bEnable)
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{
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check(IsInGameThread());
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Settings->Flags.bPixelDensityAdaptive = bEnable;
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}
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bool FDynamicResolutionState::IsEnabled() const
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{
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check(IsInGameThread());
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return Settings->Flags.bPixelDensityAdaptive;
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}
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void FDynamicResolutionState::ProcessEvent(EDynamicResolutionStateEvent Event){
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// Empty - Oculus drives resolution fraction externally
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};
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} // namespace OculusXRHMD
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#endif //OCULUS_HMD_SUPPORTED_PLATFORMS
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