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Fix importing compressed textures with DirectXTex with resizing

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This commit is contained in:
Wojtek Figat
2024-08-16 22:40:02 +02:00
parent 4a90663b1c
commit cb106be710
1 changed files with 53 additions and 10 deletions
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63
Source/Engine/Tools/TextureTool/TextureTool.DirectXTex.cpp
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@@ -50,6 +50,39 @@ namespace
return static_cast<DXGI_FORMAT>(format);
}
FORCE_INLINE DXGI_FORMAT ToDecompressFormat(const DXGI_FORMAT format)
{
switch (format)
{
case DXGI_FORMAT_BC1_TYPELESS:
case DXGI_FORMAT_BC2_TYPELESS:
case DXGI_FORMAT_BC3_TYPELESS:
return DXGI_FORMAT_R8G8B8A8_TYPELESS;
case DXGI_FORMAT_BC1_UNORM:
case DXGI_FORMAT_BC2_UNORM:
case DXGI_FORMAT_BC3_UNORM:
return DXGI_FORMAT_R8G8B8A8_UNORM;
case DXGI_FORMAT_BC1_UNORM_SRGB:
case DXGI_FORMAT_BC2_UNORM_SRGB:
case DXGI_FORMAT_BC3_UNORM_SRGB:
return DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
case DXGI_FORMAT_BC4_TYPELESS:
return DXGI_FORMAT_R8_TYPELESS;
case DXGI_FORMAT_BC4_UNORM:
return DXGI_FORMAT_R8_UNORM;
case DXGI_FORMAT_BC4_SNORM:
return DXGI_FORMAT_R8_SNORM;
case DXGI_FORMAT_BC5_TYPELESS:
return DXGI_FORMAT_R8G8_TYPELESS;
case DXGI_FORMAT_BC5_UNORM:
return DXGI_FORMAT_R8G8_UNORM;
case DXGI_FORMAT_BC5_SNORM:
return DXGI_FORMAT_R8G8_SNORM;
default:
return DXGI_FORMAT_R16G16B16A16_FLOAT;
}
}
HRESULT Compress(const DirectX::Image* srcImages, size_t nimages, const DirectX::TexMetadata& metadata, DXGI_FORMAT format, DirectX::TEX_COMPRESS_FLAGS compress, float threshold, DirectX::ScratchImage& cImages)
{
#if USE_EDITOR
@@ -627,8 +660,6 @@ bool TextureTool::ImportTextureDirectXTex(ImageType type, const StringView& path
int32 height = Math::Clamp(options.Resize ? options.SizeY : static_cast<int32>(sourceHeight * options.Scale), 1, options.MaxSize);
if (sourceWidth != width || sourceHeight != height)
{
auto& tmpImg = GET_TMP_IMG();
// During resizing we need to keep texture aspect ratio
const bool keepAspectRatio = false; // TODO: expose as import option
if (keepAspectRatio)
@@ -642,15 +673,27 @@ bool TextureTool::ImportTextureDirectXTex(ImageType type, const StringView& path
// Resize source texture
LOG(Info, "Resizing texture from {0}x{1} to {2}x{3}.", sourceWidth, sourceHeight, width, height);
result = DirectX::Resize(*currentImage->GetImages(), width, height, DirectX::TEX_FILTER_LINEAR | DirectX::TEX_FILTER_SEPARATE_ALPHA, tmpImg);
if (FAILED(result))
if (DirectX::IsCompressed(currentImage->GetMetadata().format))
{
errorMsg = String::Format(TEXT("Cannot resize texture, error: {0:x}"), static_cast<uint32>(result));
return true;
auto& tmpImg = GET_TMP_IMG();
result = Decompress(currentImage->GetImages(), currentImage->GetImageCount(), currentImage->GetMetadata(), ToDecompressFormat(currentImage->GetMetadata().format), tmpImg);
if (FAILED(result))
{
errorMsg = String::Format(TEXT("Cannot decompress texture, error: {0:x}"), static_cast<uint32>(result));
return true;
}
SET_CURRENT_IMG(tmpImg);
}
{
auto& tmpImg = GET_TMP_IMG();
result = DirectX::Resize(*currentImage->GetImages(), width, height, DirectX::TEX_FILTER_LINEAR | DirectX::TEX_FILTER_SEPARATE_ALPHA, tmpImg);
if (FAILED(result))
{
errorMsg = String::Format(TEXT("Cannot resize texture, error: {0:x}"), static_cast<uint32>(result));
return true;
}
SET_CURRENT_IMG(tmpImg);
}
// Use converted image
SET_CURRENT_IMG(tmpImg);
}
// Cache data
@@ -704,7 +747,7 @@ bool TextureTool::ImportTextureDirectXTex(ImageType type, const StringView& path
if (!keepAsIs && DirectX::IsCompressed(sourceDxgiFormat))
{
auto& tmpImg = GET_TMP_IMG();
sourceDxgiFormat = DXGI_FORMAT_R16G16B16A16_FLOAT;
sourceDxgiFormat = ToDecompressFormat(sourceDxgiFormat);
result = Decompress(currentImage->GetImages(), currentImage->GetImageCount(), currentImage->GetMetadata(), sourceDxgiFormat, tmpImg);
if (FAILED(result))
{