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Added IsBGR utility function

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This commit is contained in:
Chuck Walbourn
2022-05-07 15:10:55 -07:00
parent 55a7bb03c4
commit 178753de4a
4 changed files with 28 additions and 2 deletions
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1
DirectXTex/DirectXTex.h
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@@ -63,6 +63,7 @@ namespace DirectX
bool __cdecl IsPalettized(_In_ DXGI_FORMAT fmt) noexcept;
bool __cdecl IsDepthStencil(_In_ DXGI_FORMAT fmt) noexcept;
bool __cdecl IsSRGB(_In_ DXGI_FORMAT fmt) noexcept;
bool __cdecl IsBGR(_In_ DXGI_FORMAT fmt) noexcept;
bool __cdecl IsTypeless(_In_ DXGI_FORMAT fmt, _In_ bool partialTypeless = true) noexcept;
bool __cdecl HasAlpha(_In_ DXGI_FORMAT fmt) noexcept;

21
DirectXTex/DirectXTex.inl
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@@ -116,6 +116,27 @@ inline bool __cdecl IsSRGB(DXGI_FORMAT fmt) noexcept
}
}
_Use_decl_annotations_
inline bool __cdecl IsBGR(DXGI_FORMAT fmt) noexcept
{
switch (fmt)
{
case DXGI_FORMAT_B5G6R5_UNORM:
case DXGI_FORMAT_B5G5R5A1_UNORM:
case DXGI_FORMAT_B8G8R8A8_UNORM:
case DXGI_FORMAT_B8G8R8X8_UNORM:
case DXGI_FORMAT_B8G8R8A8_TYPELESS:
case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
case DXGI_FORMAT_B8G8R8X8_TYPELESS:
case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
case DXGI_FORMAT_B4G4R4A4_UNORM:
return true;
default:
return false;
}
}
//=====================================================================================
// Image I/O