--- /dev/null
+//-------------------------------------------------------------------------------------
+// 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
+//=====================================================================================
+
+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
+}
+
+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;
+ }
+}
+
+inline bool IsPacked( DXGI_FORMAT fmt )
+{
+ return ( (fmt == DXGI_FORMAT_R8G8_B8G8_UNORM) || (fmt == DXGI_FORMAT_G8R8_G8B8_UNORM) );
+}
+
+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
+}
+
+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;
+ }
+}
+
+inline bool IsTypeless( DXGI_FORMAT fmt )
+{
+ 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_R32_FLOAT_X8X24_TYPELESS:
+ case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
+ 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_R24_UNORM_X8_TYPELESS:
+ case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
+ 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;
+
+ default:
+ return false;
+ }
+}
+
+inline size_t ComputeScanlines( _In_ DXGI_FORMAT fmt, _In_ 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
+//=====================================================================================
+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 );
+}
+
+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 );
+}
projects / apitrace / blobdiff