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126 lines
7.3 KiB
C++
126 lines
7.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "ReadOnlyCVARCache.h"
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#include "DataDrivenShaderPlatformInfo.h"
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#include "Interfaces/ITargetPlatform.h"
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#include "ShaderPlatformCachedIniValue.h"
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#if WITH_EDITOR
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#include "Interfaces/ITargetPlatformManagerModule.h"
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#endif
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bool FReadOnlyCVARCache::bInitialized = false;
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bool FReadOnlyCVARCache::bEnablePointLightShadows = true;
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bool FReadOnlyCVARCache::bEnableStationarySkylight = true;
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bool FReadOnlyCVARCache::bEnableLowQualityLightmaps = true;
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bool FReadOnlyCVARCache::bAllowStaticLighting = true;
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bool FReadOnlyCVARCache::bSupportSkyAtmosphere = true;
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// Mobile specific
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bool FReadOnlyCVARCache::bMobileHDR = true;
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bool FReadOnlyCVARCache::bMobileAllowMovableDirectionalLights = true;
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bool FReadOnlyCVARCache::bMobileAllowDistanceFieldShadows = true;
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bool FReadOnlyCVARCache::bMobileEnableStaticAndCSMShadowReceivers = true;
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bool FReadOnlyCVARCache::bMobileEnableMovableLightCSMShaderCulling = true;
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bool FReadOnlyCVARCache::bMobileSupportsGPUScene = false;
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int32 FReadOnlyCVARCache::MobileSkyLightPermutationValue = 0;
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int32 FReadOnlyCVARCache::MobileEarlyZPassValue = 0;
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int32 FReadOnlyCVARCache::MobileForwardLocalLightsValue = 1;
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bool FReadOnlyCVARCache::bMobileEnableNoPrecomputedLightingCSMShader = false;
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bool FReadOnlyCVARCache::bMobileDeferredShadingValue = false;
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bool FReadOnlyCVARCache::bMobileEnableMovableSpotlightsShadowValue = false;
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int32 FReadOnlyCVARCache::MobileEarlyZPassIniValue(EShaderPlatform Platform)
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{
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static FShaderPlatformCachedIniValue<int32> CVar(TEXT("r.Mobile.EarlyZPass"));
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return CVar.Get(Platform);
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}
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int32 FReadOnlyCVARCache::MobileForwardLocalLightsIniValue(EShaderPlatform Platform)
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{
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static FShaderPlatformCachedIniValue<int32> CVar(TEXT("r.Mobile.Forward.EnableLocalLights"));
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return CVar.Get(Platform);
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}
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bool FReadOnlyCVARCache::MobileDeferredShadingIniValue(EShaderPlatform Platform)
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{
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static FShaderPlatformCachedIniValue<bool> MobileShadingPathIniValue(TEXT("r.Mobile.ShadingPath"));
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static TConsoleVariableData<int32>* MobileAllowDeferredShadingOpenGL = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.Mobile.AllowDeferredShadingOpenGL"));
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// a separate cvar so we can exclude deferred from OpenGL specificaly
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const bool bSupportedPlatform = !IsOpenGLPlatform(Platform) || (MobileAllowDeferredShadingOpenGL && MobileAllowDeferredShadingOpenGL->GetValueOnAnyThread() != 0);
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return MobileShadingPathIniValue.Get(Platform) && bSupportedPlatform;
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}
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bool FReadOnlyCVARCache::MobileEnableMovableSpotlightsShadowIniValue(EShaderPlatform Platform)
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{
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static FShaderPlatformCachedIniValue<bool> CVar(TEXT("r.Mobile.EnableMovableSpotlightsShadow"));
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return CVar.Get(Platform);
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}
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void FReadOnlyCVARCache::Initialize()
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{
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UE_LOG(LogInit, Log, TEXT("Initializing FReadOnlyCVARCache"));
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const auto CVarSupportStationarySkylight = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.SupportStationarySkylight"));
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const auto CVarSupportLowQualityLightmaps = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.SupportLowQualityLightmaps"));
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const auto CVarSupportPointLightWholeSceneShadows = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.SupportPointLightWholeSceneShadows"));
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const auto CVarSupportAllShaderPermutations = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.SupportAllShaderPermutations"));
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const auto CVarVertexFoggingForOpaque = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.VertexFoggingForOpaque"));
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const auto CVarAllowStaticLighting = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.AllowStaticLighting"));
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const auto CVarSupportSkyAtmosphere = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.SupportSkyAtmosphere"));
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const auto CVarMobileHDR = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.MobileHDR"));
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const auto CVarMobileAllowMovableDirectionalLights = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.Mobile.AllowMovableDirectionalLights"));
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const auto CVarMobileEnableStaticAndCSMShadowReceivers = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.Mobile.EnableStaticAndCSMShadowReceivers"));
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const auto CVarMobileEnableMovableLightCSMShaderCulling = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.Mobile.EnableMovableLightCSMShaderCulling"));
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const auto CVarMobileAllowDistanceFieldShadows = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.Mobile.AllowDistanceFieldShadows"));
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const auto CVarMobileSkyLightPermutation = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.Mobile.SkyLightPermutation"));
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const auto CVarMobileEnableNoPrecomputedLightingCSMShader = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.Mobile.EnableNoPrecomputedLightingCSMShader"));
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const auto CVarMobileSupportGPUScene = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.Mobile.SupportGPUScene"));
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const bool bForceAllPermutations = CVarSupportAllShaderPermutations && CVarSupportAllShaderPermutations->GetValueOnAnyThread() != 0;
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bEnableStationarySkylight = !CVarSupportStationarySkylight || CVarSupportStationarySkylight->GetValueOnAnyThread() != 0 || bForceAllPermutations;
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bEnablePointLightShadows = !CVarSupportPointLightWholeSceneShadows || CVarSupportPointLightWholeSceneShadows->GetValueOnAnyThread() != 0 || bForceAllPermutations;
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bEnableLowQualityLightmaps = !CVarSupportLowQualityLightmaps || CVarSupportLowQualityLightmaps->GetValueOnAnyThread() != 0 || bForceAllPermutations;
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bAllowStaticLighting = CVarAllowStaticLighting->GetValueOnAnyThread() != 0;
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bSupportSkyAtmosphere = !CVarSupportSkyAtmosphere || CVarSupportSkyAtmosphere->GetValueOnAnyThread() != 0 || bForceAllPermutations;
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// mobile
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bMobileHDR = CVarMobileHDR->GetValueOnAnyThread() == 1;
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bMobileAllowMovableDirectionalLights = CVarMobileAllowMovableDirectionalLights->GetValueOnAnyThread() != 0;
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bMobileAllowDistanceFieldShadows = CVarMobileAllowDistanceFieldShadows->GetValueOnAnyThread() != 0;
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bMobileEnableStaticAndCSMShadowReceivers = CVarMobileEnableStaticAndCSMShadowReceivers->GetValueOnAnyThread() != 0;
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bMobileEnableMovableLightCSMShaderCulling = CVarMobileEnableMovableLightCSMShaderCulling->GetValueOnAnyThread() != 0;
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MobileSkyLightPermutationValue = CVarMobileSkyLightPermutation->GetValueOnAnyThread();
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bMobileEnableNoPrecomputedLightingCSMShader = CVarMobileEnableNoPrecomputedLightingCSMShader->GetValueOnAnyThread() != 0;
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MobileEarlyZPassValue = MobileEarlyZPassIniValue(GMaxRHIShaderPlatform);
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MobileForwardLocalLightsValue = MobileForwardLocalLightsIniValue(GMaxRHIShaderPlatform);
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bMobileDeferredShadingValue = MobileDeferredShadingIniValue(GMaxRHIShaderPlatform);
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bMobileEnableMovableSpotlightsShadowValue = MobileEnableMovableSpotlightsShadowIniValue(GMaxRHIShaderPlatform);
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bMobileSupportsGPUScene = CVarMobileSupportGPUScene->GetValueOnAnyThread() != 0;
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#ifdef PROJECT_CVAR_ALLOW_STATIC_LIGHTING
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check(!!PROJECT_CVAR_ALLOW_STATIC_LIGHTING == bAllowStaticLighting);
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#endif
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#ifdef PROJECT_CVAR_MOBILE_HDR
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check(!!PROJECT_CVAR_MOBILE_HDR == bMobileHDR);
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#endif
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#ifdef PROJECT_CVAR_MOBILE_SUPPORTS_GPUSCENE
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check(!!PROJECT_CVAR_MOBILE_SUPPORTS_GPUSCENE == bMobileSupportsGPUScene);
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#endif
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#ifdef PROJECT_CVAR_MOBILE_FORWARD_LOCALLIGHTS
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check(PROJECT_CVAR_MOBILE_FORWARD_LOCALLIGHTS == MobileForwardLocalLightsValue);
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#endif
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#ifdef PROJECT_CVAR_MOBILE_DEFERRED_SHADING
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check(!!PROJECT_CVAR_MOBILE_DEFERRED_SHADING == bMobileDeferredShadingValue);
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#endif
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bInitialized = true;
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}
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