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Added MakeLinear utility function

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This commit is contained in:
Chuck Walbourn 2022-07-27 16:56:43 -07:00
parent 9eb8605dbe
commit f904ecf09b
2 changed files with 36 additions and 0 deletions
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1
DirectXTex/DirectXTex.h
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@ -124,6 +124,7 @@ namespace DirectX
size_t __cdecl ComputeScanlines(_In_ DXGI_FORMAT fmt, _In_ size_t height) noexcept;
DXGI_FORMAT __cdecl MakeSRGB(_In_ DXGI_FORMAT fmt) noexcept;
DXGI_FORMAT __cdecl MakeLinear(_In_ DXGI_FORMAT fmt) noexcept;
DXGI_FORMAT __cdecl MakeTypeless(_In_ DXGI_FORMAT fmt) noexcept;
DXGI_FORMAT __cdecl MakeTypelessUNORM(_In_ DXGI_FORMAT fmt) noexcept;
DXGI_FORMAT __cdecl MakeTypelessFLOAT(_In_ DXGI_FORMAT fmt) noexcept;

35
DirectXTex/DirectXTexUtil.cpp
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@ -1183,6 +1183,41 @@ DXGI_FORMAT DirectX::MakeSRGB(DXGI_FORMAT fmt) noexcept
}
//-------------------------------------------------------------------------------------
// Converts to an non-SRGB equivalent type
//-------------------------------------------------------------------------------------
_Use_decl_annotations_
DXGI_FORMAT DirectX::MakeLinear(DXGI_FORMAT fmt) noexcept
{
switch (fmt)
{
case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
return DXGI_FORMAT_R8G8B8A8_UNORM;
case DXGI_FORMAT_BC1_UNORM_SRGB:
return DXGI_FORMAT_BC1_UNORM;
case DXGI_FORMAT_BC2_UNORM_SRGB:
return DXGI_FORMAT_BC2_UNORM;
case DXGI_FORMAT_BC3_UNORM_SRGB:
return DXGI_FORMAT_BC3_UNORM;
case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
return DXGI_FORMAT_B8G8R8A8_UNORM;
case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
return DXGI_FORMAT_B8G8R8X8_UNORM;
case DXGI_FORMAT_BC7_UNORM_SRGB:
return DXGI_FORMAT_BC7_UNORM;
default:
return fmt;
}
}
//-------------------------------------------------------------------------------------
// Converts to a format to an equivalent TYPELESS format if available
//-------------------------------------------------------------------------------------