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Add new PreIntegratedGF with 80% smaller but more accurate data

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Update old generation code, use R16G16_UNorm format instead of R11G11B10, skip mips and reduce Y axis to 32 pixels.

#1492
This commit is contained in:
Wojtek Figat
2025-09-25 17:35:10 +02:00
parent d57eec3403
commit 41e851298d
5 changed files with 110 additions and 198 deletions
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2
Source/Engine/Tools/TextureTool/TextureTool.stb.cpp
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@@ -527,6 +527,8 @@ bool TextureTool::ImportTextureStb(ImageType type, const StringView& path, Textu
PixelFormat targetFormat = ToPixelFormat(options.Type, width, height, options.Compress);
if (options.sRGB)
targetFormat = PixelFormatExtensions::TosRGB(targetFormat);
if (options.InternalFormat != PixelFormat::Unknown)
targetFormat = options.InternalFormat;
// Check mip levels
int32 sourceMipLevels = textureDataSrc->GetMipLevels();