288 lines
8.4 KiB
C++
288 lines
8.4 KiB
C++
//-------------------------------------------------------------------------------------
|
|
// DirectXTex.inl
|
|
//
|
|
// DirectX Texture Library
|
|
//
|
|
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
|
|
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
|
|
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
|
|
// PARTICULAR PURPOSE.
|
|
//
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
//
|
|
// http://go.microsoft.com/fwlink/?LinkId=248926
|
|
//-------------------------------------------------------------------------------------
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER > 1000)
|
|
#pragma once
|
|
#endif
|
|
|
|
//=====================================================================================
|
|
// DXGI Format Utilities
|
|
//=====================================================================================
|
|
|
|
_Use_decl_annotations_
|
|
inline bool IsValid( DXGI_FORMAT fmt )
|
|
{
|
|
#ifdef DXGI_1_2_FORMATS
|
|
return ( static_cast<size_t>(fmt) >= 1 && static_cast<size_t>(fmt) <= 115 );
|
|
#else
|
|
return ( static_cast<size_t>(fmt) >= 1 && static_cast<size_t>(fmt) <= 99 );
|
|
#endif
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
inline bool IsCompressed( DXGI_FORMAT fmt )
|
|
{
|
|
switch ( fmt )
|
|
{
|
|
case DXGI_FORMAT_BC1_TYPELESS:
|
|
case DXGI_FORMAT_BC1_UNORM:
|
|
case DXGI_FORMAT_BC1_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC2_TYPELESS:
|
|
case DXGI_FORMAT_BC2_UNORM:
|
|
case DXGI_FORMAT_BC2_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC3_TYPELESS:
|
|
case DXGI_FORMAT_BC3_UNORM:
|
|
case DXGI_FORMAT_BC3_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC4_TYPELESS:
|
|
case DXGI_FORMAT_BC4_UNORM:
|
|
case DXGI_FORMAT_BC4_SNORM:
|
|
case DXGI_FORMAT_BC5_TYPELESS:
|
|
case DXGI_FORMAT_BC5_UNORM:
|
|
case DXGI_FORMAT_BC5_SNORM:
|
|
case DXGI_FORMAT_BC6H_TYPELESS:
|
|
case DXGI_FORMAT_BC6H_UF16:
|
|
case DXGI_FORMAT_BC6H_SF16:
|
|
case DXGI_FORMAT_BC7_TYPELESS:
|
|
case DXGI_FORMAT_BC7_UNORM:
|
|
case DXGI_FORMAT_BC7_UNORM_SRGB:
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
inline bool IsPacked( DXGI_FORMAT fmt )
|
|
{
|
|
return ( (fmt == DXGI_FORMAT_R8G8_B8G8_UNORM) || (fmt == DXGI_FORMAT_G8R8_G8B8_UNORM) );
|
|
}
|
|
|
|
|
|
_Use_decl_annotations_
|
|
inline bool IsVideo( DXGI_FORMAT fmt )
|
|
{
|
|
#ifdef DXGI_1_2_FORMATS
|
|
switch ( fmt )
|
|
{
|
|
case DXGI_FORMAT_AYUV:
|
|
case DXGI_FORMAT_Y410:
|
|
case DXGI_FORMAT_Y416:
|
|
case DXGI_FORMAT_NV12:
|
|
case DXGI_FORMAT_P010:
|
|
case DXGI_FORMAT_P016:
|
|
case DXGI_FORMAT_YUY2:
|
|
case DXGI_FORMAT_Y210:
|
|
case DXGI_FORMAT_Y216:
|
|
case DXGI_FORMAT_NV11:
|
|
// These video formats can be used with the 3D pipeline through special view mappings
|
|
return true;
|
|
|
|
case DXGI_FORMAT_420_OPAQUE:
|
|
case DXGI_FORMAT_AI44:
|
|
case DXGI_FORMAT_IA44:
|
|
case DXGI_FORMAT_P8:
|
|
case DXGI_FORMAT_A8P8:
|
|
// These are limited use video formats not usable in any way by the 3D pipeline
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
#else // !DXGI_1_2_FORMATS
|
|
UNREFERENCED_PARAMETER(fmt);
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
inline bool IsSRGB( DXGI_FORMAT fmt )
|
|
{
|
|
switch( fmt )
|
|
{
|
|
case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC1_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC2_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC3_UNORM_SRGB:
|
|
case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
|
|
case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC7_UNORM_SRGB:
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
inline bool IsTypeless( DXGI_FORMAT fmt, bool partialTypeless )
|
|
{
|
|
switch( fmt )
|
|
{
|
|
case DXGI_FORMAT_R32G32B32A32_TYPELESS:
|
|
case DXGI_FORMAT_R32G32B32_TYPELESS:
|
|
case DXGI_FORMAT_R16G16B16A16_TYPELESS:
|
|
case DXGI_FORMAT_R32G32_TYPELESS:
|
|
case DXGI_FORMAT_R32G8X24_TYPELESS:
|
|
case DXGI_FORMAT_R10G10B10A2_TYPELESS:
|
|
case DXGI_FORMAT_R8G8B8A8_TYPELESS:
|
|
case DXGI_FORMAT_R16G16_TYPELESS:
|
|
case DXGI_FORMAT_R32_TYPELESS:
|
|
case DXGI_FORMAT_R24G8_TYPELESS:
|
|
case DXGI_FORMAT_R8G8_TYPELESS:
|
|
case DXGI_FORMAT_R16_TYPELESS:
|
|
case DXGI_FORMAT_R8_TYPELESS:
|
|
case DXGI_FORMAT_BC1_TYPELESS:
|
|
case DXGI_FORMAT_BC2_TYPELESS:
|
|
case DXGI_FORMAT_BC3_TYPELESS:
|
|
case DXGI_FORMAT_BC4_TYPELESS:
|
|
case DXGI_FORMAT_BC5_TYPELESS:
|
|
case DXGI_FORMAT_B8G8R8A8_TYPELESS:
|
|
case DXGI_FORMAT_B8G8R8X8_TYPELESS:
|
|
case DXGI_FORMAT_BC6H_TYPELESS:
|
|
case DXGI_FORMAT_BC7_TYPELESS:
|
|
return true;
|
|
|
|
case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
|
|
case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
|
|
case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
|
|
case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
|
|
return partialTypeless;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
inline bool HasAlpha( DXGI_FORMAT fmt )
|
|
{
|
|
switch( fmt )
|
|
{
|
|
case DXGI_FORMAT_R32G32B32A32_TYPELESS:
|
|
case DXGI_FORMAT_R32G32B32A32_FLOAT:
|
|
case DXGI_FORMAT_R32G32B32A32_UINT:
|
|
case DXGI_FORMAT_R32G32B32A32_SINT:
|
|
case DXGI_FORMAT_R16G16B16A16_TYPELESS:
|
|
case DXGI_FORMAT_R16G16B16A16_FLOAT:
|
|
case DXGI_FORMAT_R16G16B16A16_UNORM:
|
|
case DXGI_FORMAT_R16G16B16A16_UINT:
|
|
case DXGI_FORMAT_R16G16B16A16_SNORM:
|
|
case DXGI_FORMAT_R16G16B16A16_SINT:
|
|
case DXGI_FORMAT_R10G10B10A2_TYPELESS:
|
|
case DXGI_FORMAT_R10G10B10A2_UNORM:
|
|
case DXGI_FORMAT_R10G10B10A2_UINT:
|
|
case DXGI_FORMAT_R8G8B8A8_TYPELESS:
|
|
case DXGI_FORMAT_R8G8B8A8_UNORM:
|
|
case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
|
|
case DXGI_FORMAT_R8G8B8A8_UINT:
|
|
case DXGI_FORMAT_R8G8B8A8_SNORM:
|
|
case DXGI_FORMAT_R8G8B8A8_SINT:
|
|
case DXGI_FORMAT_A8_UNORM:
|
|
case DXGI_FORMAT_BC1_TYPELESS:
|
|
case DXGI_FORMAT_BC1_UNORM:
|
|
case DXGI_FORMAT_BC1_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC2_TYPELESS:
|
|
case DXGI_FORMAT_BC2_UNORM:
|
|
case DXGI_FORMAT_BC2_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC3_TYPELESS:
|
|
case DXGI_FORMAT_BC3_UNORM:
|
|
case DXGI_FORMAT_BC3_UNORM_SRGB:
|
|
case DXGI_FORMAT_B5G5R5A1_UNORM:
|
|
case DXGI_FORMAT_B8G8R8A8_UNORM:
|
|
case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
|
|
case DXGI_FORMAT_B8G8R8A8_TYPELESS:
|
|
case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC7_TYPELESS:
|
|
case DXGI_FORMAT_BC7_UNORM:
|
|
case DXGI_FORMAT_BC7_UNORM_SRGB:
|
|
#ifdef DXGI_1_2_FORMATS
|
|
case DXGI_FORMAT_B4G4R4A4_UNORM:
|
|
#endif
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
inline size_t ComputeScanlines( DXGI_FORMAT fmt, size_t height )
|
|
{
|
|
switch ( fmt )
|
|
{
|
|
case DXGI_FORMAT_BC1_TYPELESS:
|
|
case DXGI_FORMAT_BC1_UNORM:
|
|
case DXGI_FORMAT_BC1_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC2_TYPELESS:
|
|
case DXGI_FORMAT_BC2_UNORM:
|
|
case DXGI_FORMAT_BC2_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC3_TYPELESS:
|
|
case DXGI_FORMAT_BC3_UNORM:
|
|
case DXGI_FORMAT_BC3_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC4_TYPELESS:
|
|
case DXGI_FORMAT_BC4_UNORM:
|
|
case DXGI_FORMAT_BC4_SNORM:
|
|
case DXGI_FORMAT_BC5_TYPELESS:
|
|
case DXGI_FORMAT_BC5_UNORM:
|
|
case DXGI_FORMAT_BC5_SNORM:
|
|
case DXGI_FORMAT_BC6H_TYPELESS:
|
|
case DXGI_FORMAT_BC6H_UF16:
|
|
case DXGI_FORMAT_BC6H_SF16:
|
|
case DXGI_FORMAT_BC7_TYPELESS:
|
|
case DXGI_FORMAT_BC7_UNORM:
|
|
case DXGI_FORMAT_BC7_UNORM_SRGB:
|
|
return std::max<size_t>( 1, (height + 3) / 4 );
|
|
|
|
default:
|
|
return height;
|
|
}
|
|
}
|
|
|
|
//=====================================================================================
|
|
// Image I/O
|
|
//=====================================================================================
|
|
_Use_decl_annotations_
|
|
inline HRESULT SaveToDDSMemory( const Image& image, DWORD flags, Blob& blob )
|
|
{
|
|
TexMetadata mdata;
|
|
memset( &mdata, 0, sizeof(mdata) );
|
|
mdata.width = image.width;
|
|
mdata.height = image.height;
|
|
mdata.depth = 1;
|
|
mdata.arraySize = 1;
|
|
mdata.mipLevels = 1;
|
|
mdata.format = image.format;
|
|
mdata.dimension = TEX_DIMENSION_TEXTURE2D;
|
|
|
|
return SaveToDDSMemory( &image, 1, mdata, flags, blob );
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
inline HRESULT SaveToDDSFile( const Image& image, DWORD flags, LPCWSTR szFile )
|
|
{
|
|
TexMetadata mdata;
|
|
memset( &mdata, 0, sizeof(mdata) );
|
|
mdata.width = image.width;
|
|
mdata.height = image.height;
|
|
mdata.depth = 1;
|
|
mdata.arraySize = 1;
|
|
mdata.mipLevels = 1;
|
|
mdata.format = image.format;
|
|
mdata.dimension = TEX_DIMENSION_TEXTURE2D;
|
|
|
|
return SaveToDDSFile( &image, 1, mdata, flags, szFile );
|
|
}
|