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Fix cooking small textures for Android/iOS with ASTC enabled

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This commit is contained in:
Wojtek Figat
2024-03-28 18:24:37 +01:00
parent b8a287c4d5
commit 21d5e63b93
1 changed files with 6 additions and 1 deletions
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7
Source/Editor/Cooker/Steps/CookAssetsStep.cpp
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@@ -643,7 +643,7 @@ bool ProcessTextureBase(CookAssetsStep::AssetCookData& data)
const auto asset = static_cast<TextureBase*>(data.Asset);
const auto& assetHeader = asset->StreamingTexture()->GetHeader();
const auto format = asset->Format();
const auto targetFormat = data.Data.Tools->GetTextureFormat(data.Data, asset, format);
auto targetFormat = data.Data.Tools->GetTextureFormat(data.Data, asset, format);
CHECK_RETURN(!PixelFormatExtensions::IsTypeless(targetFormat), true);
const auto streamingSettings = StreamingSettings::Get();
int32 mipLevelsMax = GPU_MAX_TEXTURE_MIP_LEVELS;
@@ -654,6 +654,11 @@ bool ProcessTextureBase(CookAssetsStep::AssetCookData& data)
group.MipLevelsMaxPerPlatform.TryGet(data.Data.Tools->GetPlatform(), mipLevelsMax);
}
// If texture is smaller than the block size of the target format (eg. 4x4 texture using ASTC_6x6) then fallback to uncompressed
int32 blockSize = PixelFormatExtensions::ComputeBlockSize(targetFormat);
if (assetHeader->Width < blockSize || assetHeader->Height < blockSize || (blockSize != 1 && mipLevelsMax < 4))
targetFormat = PixelFormatExtensions::FindUncompressedFormat(format);
// Faster path if don't need to modify texture for the target platform
if (format == targetFormat && assetHeader->MipLevels <= mipLevelsMax)
{