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Fixed: Runtime VT looks darker than streaming VT on Android

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Use ETC2 RG11 compression for SVT normal maps on Android and iOS so it matches RVT format
#jira UE-176886
#preflight 63ea3d5be92f139c5137a6b0
#rb Jack.Porter

[CL 24174388 by dmitriy dyomin in ue5-main branch]
This commit is contained in:
dmitriy dyomin
2023-02-13 10:02:24 -05:00
parent acd14248c8
commit 3ed0232001
4 changed files with 12 additions and 5 deletions
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5
Engine/Source/Developer/Android/AndroidTargetPlatform/Private/AndroidTargetPlatform.cpp
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@@ -67,6 +67,7 @@ namespace AndroidTexFormat
const static FName NameETC2_RGB(TEXT("ETC2_RGB"));
const static FName NameETC2_RGBA(TEXT("ETC2_RGBA"));
const static FName NameETC2_R11(TEXT("ETC2_R11"));
const static FName NameETC2_RG11(TEXT("ETC2_RG11"));
const static FName NameAutoETC2(TEXT("AutoETC2"));
const static FName NameAutoASTC(TEXT("ASTC_RGBAuto"));
@@ -107,7 +108,7 @@ namespace AndroidTexFormat
{ NameDXT1, NameETC2_RGB },
{ NameDXT5, NameETC2_RGBA },
{ NameDXT5n, NameETC2_RGB },
{ NameBC5, NameETC2_RGB },
{ NameBC5, NameETC2_RG11 },
{ NameBC4, NameETC2_R11 },
{ NameBC6H, NameRGBA16F },
{ NameBC7, NameETC2_RGBA },
@@ -536,7 +537,7 @@ FName FAndroidTargetPlatform::FinalizeVirtualTextureLayerFormat(FName Format) co
// { { FName(TEXT("ASTC_RGB_HDR")) }, { NameRGBA16F } }, // ?
{ { FName(TEXT("ASTC_RGBAuto")) }, { AndroidTexFormat::NameAutoETC2 } },
{ { FName(TEXT("ASTC_NormalAG")) }, { AndroidTexFormat::NameETC2_RGB } },
{ { FName(TEXT("ASTC_NormalRG")) }, { AndroidTexFormat::NameETC2_RGB } },
{ { FName(TEXT("ASTC_NormalRG")) }, { AndroidTexFormat::NameETC2_RG11 } },
{ { AndroidTexFormat::NameDXT1 }, { AndroidTexFormat::NameETC2_RGB } },
{ { AndroidTexFormat::NameDXT5 }, { AndroidTexFormat::NameETC2_RGBA } },
{ { AndroidTexFormat::NameAutoDXT }, { AndroidTexFormat::NameAutoETC2 } }