464 lines
22 KiB
C++
464 lines
22 KiB
C++
//-------------------------------------------------------------------------------------
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// DirectXTex.h
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//
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// DirectX Texture Library
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// http://go.microsoft.com/fwlink/?LinkId=248926
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//-------------------------------------------------------------------------------------
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#if defined(_MSC_VER) && (_MSC_VER > 1000)
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#pragma once
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#endif
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#pragma warning(push)
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#pragma warning(disable : 4005)
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#include <stdint.h>
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#pragma warning(pop)
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#include <algorithm>
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#include <dxgiformat.h>
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#include <d3d11.h>
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#define DIRECTX_TEX_VERSION 100
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namespace DirectX
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{
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//---------------------------------------------------------------------------------
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// DXGI Format Utilities
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bool IsValid( _In_ DXGI_FORMAT fmt );
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bool IsCompressed( _In_ DXGI_FORMAT fmt );
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bool IsPacked( _In_ DXGI_FORMAT fmt );
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bool IsVideo( _In_ DXGI_FORMAT fmt );
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bool IsSRGB( _In_ DXGI_FORMAT fmt );
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bool IsTypeless( _In_ DXGI_FORMAT fmt );
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size_t BitsPerPixel( _In_ DXGI_FORMAT fmt );
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enum CP_FLAGS
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{
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CP_FLAGS_NONE = 0x0, // Normal operation
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CP_FLAGS_LEGACY_DWORD = 0x1, // Assume pitch is DWORD aligned instead of BYTE aligned
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CP_FLAGS_24BPP = 0x10000, // Override with a legacy 24 bits-per-pixel format size
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CP_FLAGS_16BPP = 0x20000, // Override with a legacy 16 bits-per-pixel format size
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CP_FLAGS_8BPP = 0x40000, // Override with a legacy 8 bits-per-pixel format size
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};
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void ComputePitch( _In_ DXGI_FORMAT fmt, _In_ size_t width, _In_ size_t height,
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_Out_ size_t& rowPitch, _Out_ size_t& slicePitch, _In_ DWORD flags = CP_FLAGS_NONE );
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size_t ComputeScanlines( _In_ DXGI_FORMAT fmt, _In_ size_t height );
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DXGI_FORMAT MakeSRGB( _In_ DXGI_FORMAT fmt );
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DXGI_FORMAT MakeTypeless( _In_ DXGI_FORMAT fmt );
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DXGI_FORMAT MakeTypelessUNORM( _In_ DXGI_FORMAT fmt );
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DXGI_FORMAT MakeTypelessFLOAT( _In_ DXGI_FORMAT fmt );
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//---------------------------------------------------------------------------------
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// Texture metadata
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enum TEX_DIMENSION
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// Subset here matches D3D10_RESOURCE_DIMENSION and D3D11_RESOURCE_DIMENSION
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{
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TEX_DIMENSION_TEXTURE1D = 2,
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TEX_DIMENSION_TEXTURE2D = 3,
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TEX_DIMENSION_TEXTURE3D = 4,
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};
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enum TEX_MISC_FLAG
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// Subset here matches D3D10_RESOURCE_MISC_FLAG and D3D11_RESOURCE_MISC_FLAG
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{
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TEX_MISC_TEXTURECUBE = 0x4L,
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};
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struct TexMetadata
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{
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size_t width;
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size_t height; // Should be 1 for 1D textures
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size_t depth; // Should be 1 for 1D or 2D textures
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size_t arraySize; // For cubemap, this is a multiple of 6
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size_t mipLevels;
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uint32_t miscFlags;
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DXGI_FORMAT format;
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TEX_DIMENSION dimension;
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size_t ComputeIndex( _In_ size_t mip, _In_ size_t item, _In_ size_t slice ) const;
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// Returns size_t(-1) to indicate an out-of-range error
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};
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enum DDS_FLAGS
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{
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DDS_FLAGS_NONE = 0x0,
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DDS_FLAGS_LEGACY_DWORD = 0x1,
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// Assume pitch is DWORD aligned instead of BYTE aligned (used by some legacy DDS files)
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DDS_FLAGS_NO_LEGACY_EXPANSION = 0x2,
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// Do not implicitly convert legacy formats that result in larger pixel sizes (24 bpp, 3:3:2, A8L8, A4L4, P8, A8P8)
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DDS_FLAGS_NO_R10B10G10A2_FIXUP = 0x4,
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// Do not use work-around for long-standing D3DX DDS file format issue which reversed the 10:10:10:2 color order masks
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DDS_FLAGS_FORCE_RGB = 0x8,
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// Convert DXGI 1.1 BGR formats to DXGI_FORMAT_R8G8B8A8_UNORM to avoid use of optional WDDM 1.1 formats
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DDS_FLAGS_NO_16BPP = 0x10,
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// Conversions avoid use of 565, 5551, and 4444 formats and instead expand to 8888 to avoid use of optional WDDM 1.2 formats
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DDS_FLAGS_FORCE_DX10_EXT = 0x10000,
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// Always use the 'DX10' header extension for DDS writer (i.e. don't try to write DX9 compatible DDS files)
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};
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enum WIC_FLAGS
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{
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WIC_FLAGS_NONE = 0x0,
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WIC_FLAGS_FORCE_RGB = 0x1,
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// Loads DXGI 1.1 BGR formats as DXGI_FORMAT_R8G8B8A8_UNORM to avoid use of optional WDDM 1.1 formats
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WIC_FLAGS_NO_X2_BIAS = 0x2,
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// Loads DXGI 1.1 X2 10:10:10:2 format as DXGI_FORMAT_R10G10B10A2_UNORM
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WIC_FLAGS_NO_16BPP = 0x4,
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// Loads 565, 5551, and 4444 formats as 8888 to avoid use of optional WDDM 1.2 formats
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WIC_FLAGS_ALLOW_MONO = 0x8,
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// Loads 1-bit monochrome (black & white) as R1_UNORM rather than 8-bit greyscale
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WIC_FLAGS_ALL_FRAMES = 0x10,
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// Loads all images in a multi-frame file, converting/resizing to match the first frame as needed, defaults to 0th frame otherwise
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WIC_FLAGS_DITHER = 0x10000,
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// Use ordered 4x4 dithering for any required conversions
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WIC_FLAGS_DITHER_DIFFUSION = 0x20000,
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// Use error-diffusion dithering for any required conversions
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WIC_FLAGS_FILTER_POINT = 0x100000,
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WIC_FLAGS_FILTER_LINEAR = 0x200000,
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WIC_FLAGS_FILTER_CUBIC = 0x300000,
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WIC_FLAGS_FILTER_FANT = 0x400000, // Combination of Linear and Box filter
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// Filtering mode to use for any required image resizing (only needed when loading arrays of differently sized images; defaults to Fant)
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};
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HRESULT GetMetadataFromDDSMemory( _In_bytecount_(size) LPCVOID pSource, _In_ size_t size, _In_ DWORD flags,
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_Out_ TexMetadata& metadata );
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HRESULT GetMetadataFromDDSFile( _In_z_ LPCWSTR szFile, DWORD flags,
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_Out_ TexMetadata& metadata );
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HRESULT GetMetadataFromTGAMemory( _In_bytecount_(size) LPCVOID pSource, _In_ size_t size,
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_Out_ TexMetadata& metadata );
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HRESULT GetMetadataFromTGAFile( _In_z_ LPCWSTR szFile,
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_Out_ TexMetadata& metadata );
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HRESULT GetMetadataFromWICMemory( _In_bytecount_(size) LPCVOID pSource, _In_ size_t size, _In_ DWORD flags,
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_Out_ TexMetadata& metadata );
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HRESULT GetMetadataFromWICFile( _In_z_ LPCWSTR szFile, _In_ DWORD flags,
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_Out_ TexMetadata& metadata );
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//---------------------------------------------------------------------------------
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// Bitmap image container
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struct Image
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{
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size_t width;
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size_t height;
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DXGI_FORMAT format;
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size_t rowPitch;
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size_t slicePitch;
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uint8_t* pixels;
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};
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class ScratchImage
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{
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public:
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ScratchImage() : _nimages(0), _size(0), _image(0), _memory(0) {}
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~ScratchImage() { Release(); }
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HRESULT Initialize( _In_ const TexMetadata& mdata );
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HRESULT Initialize1D( _In_ DXGI_FORMAT fmt, _In_ size_t length, _In_ size_t arraySize, _In_ size_t mipLevels );
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HRESULT Initialize2D( _In_ DXGI_FORMAT fmt, _In_ size_t width, _In_ size_t height, _In_ size_t arraySize, _In_ size_t mipLevels );
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HRESULT Initialize3D( _In_ DXGI_FORMAT fmt, _In_ size_t width, _In_ size_t height, _In_ size_t depth, _In_ size_t mipLevels );
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HRESULT InitializeCube( _In_ DXGI_FORMAT fmt, _In_ size_t width, _In_ size_t height, _In_ size_t nCubes, _In_ size_t mipLevels );
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HRESULT InitializeFromImage( _In_ const Image& srcImage, _In_ bool allow1D = false );
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HRESULT InitializeArrayFromImages( _In_count_(nImages) const Image* images, _In_ size_t nImages, _In_ bool allow1D = false );
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HRESULT InitializeCubeFromImages( _In_count_(nImages) const Image* images, _In_ size_t nImages );
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HRESULT Initialize3DFromImages( _In_count_(depth) const Image* images, _In_ size_t depth );
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void Release();
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bool OverrideFormat( _In_ DXGI_FORMAT f );
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const TexMetadata& GetMetadata() const { return _metadata; }
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const Image* GetImage(_In_ size_t mip, _In_ size_t item, _In_ size_t slice) const;
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const Image* GetImages() const { return _image; }
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size_t GetImageCount() const { return _nimages; }
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uint8_t* GetPixels() const { return _memory; }
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size_t GetPixelsSize() const { return _size; }
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private:
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size_t _nimages;
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size_t _size;
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TexMetadata _metadata;
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Image* _image;
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uint8_t* _memory;
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// Hide copy constructor and assignment operator
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ScratchImage( const ScratchImage& );
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ScratchImage& operator=( const ScratchImage& );
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};
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//---------------------------------------------------------------------------------
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// Memory blob (allocated buffer pointer is always 16-byte aligned)
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class Blob
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{
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public:
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Blob() : _buffer(0), _size(0) {}
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~Blob() { Release(); }
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HRESULT Initialize( _In_ size_t size );
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void Release();
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void *GetBufferPointer() const { return _buffer; }
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size_t GetBufferSize() const { return _size; }
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private:
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void* _buffer;
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size_t _size;
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// Hide copy constructor and assignment operator
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Blob( const Blob& );
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Blob& operator=( const Blob& );
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};
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//---------------------------------------------------------------------------------
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// Image I/O
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// DDS operations
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HRESULT LoadFromDDSMemory( _In_bytecount_(size) LPCVOID pSource, _In_ size_t size, _In_ DWORD flags,
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_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image );
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HRESULT LoadFromDDSFile( _In_z_ LPCWSTR szFile, _In_ DWORD flags,
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_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image );
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HRESULT SaveToDDSMemory( _In_ const Image& image, _In_ DWORD flags,
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_Out_ Blob& blob );
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HRESULT SaveToDDSMemory( _In_count_(nimages) const Image* images, _In_ size_t nimages, _In_ const TexMetadata& metadata, _In_ DWORD flags,
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_Out_ Blob& blob );
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HRESULT SaveToDDSFile( _In_ const Image& image, _In_ DWORD flags, _In_z_ LPCWSTR szFile );
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HRESULT SaveToDDSFile( _In_count_(nimages) const Image* images, _In_ size_t nimages, _In_ const TexMetadata& metadata, _In_ DWORD flags, _In_z_ LPCWSTR szFile );
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// TGA operations
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HRESULT LoadFromTGAMemory( _In_bytecount_(size) LPCVOID pSource, _In_ size_t size,
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_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image );
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HRESULT LoadFromTGAFile( _In_z_ LPCWSTR szFile,
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_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image );
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HRESULT SaveToTGAMemory( _In_ const Image& image, _Out_ Blob& blob );
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HRESULT SaveToTGAFile( _In_ const Image& image, _In_z_ LPCWSTR szFile );
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// WIC operations
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HRESULT LoadFromWICMemory( _In_bytecount_(size) LPCVOID pSource, _In_ size_t size, _In_ DWORD flags,
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_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image );
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HRESULT LoadFromWICFile( _In_z_ LPCWSTR szFile, _In_ DWORD flags,
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_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image );
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HRESULT SaveToWICMemory( _In_ const Image& image, _In_ DWORD flags, _In_ REFGUID guidContainerFormat,
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_Out_ Blob& blob );
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HRESULT SaveToWICMemory( _In_count_(nimages) const Image* images, _In_ size_t nimages, _In_ DWORD flags, _In_ REFGUID guidContainerFormat, _Out_ Blob& blob );
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HRESULT SaveToWICFile( _In_ const Image& image, _In_ DWORD flags, _In_ REFGUID guidContainerFormat, _In_z_ LPCWSTR szFile );
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HRESULT SaveToWICFile( _In_count_(nimages) const Image* images, _In_ size_t nimages, _In_ DWORD flags, _In_ REFGUID guidContainerFormat, _In_z_ LPCWSTR szFile );
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enum WICCodecs
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{
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WIC_CODEC_BMP =1, // Windows Bitmap (.bmp)
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WIC_CODEC_JPEG, // Joint Photographic Experts Group (.jpg, .jpeg)
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WIC_CODEC_PNG, // Portable Network Graphics (.png)
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WIC_CODEC_TIFF, // Tagged Image File Format (.tif, .tiff)
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WIC_CODEC_GIF, // Graphics Interchange Format (.gif)
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WIC_CODEC_WMP, // Windows Media Photo / HD Photo / JPEG XR (.hdp, .jxr, .wdp)
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WIC_CODEC_ICO, // Windows Icon (.ico)
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};
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REFGUID GetWICCodec( _In_ WICCodecs codec );
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//---------------------------------------------------------------------------------
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// Texture conversion, resizing, mipmap generation, and block compression
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enum TEX_FR_FLAGS
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{
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TEX_FR_ROTATE0 = 0x0,
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TEX_FR_ROTATE90 = 0x1,
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TEX_FR_ROTATE180 = 0x2,
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TEX_FR_ROTATE270 = 0x3,
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TEX_FR_FLIP_HORIZONTAL = 0x08,
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TEX_FR_FLIP_VERTICAL = 0x10,
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};
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HRESULT FlipRotate( _In_ const Image& srcImage, _In_ DWORD flags, _Out_ ScratchImage& image );
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HRESULT FlipRotate( _In_count_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_In_ DWORD flags, _Out_ ScratchImage& result );
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// Flip and/or rotate image
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enum TEX_FILTER_FLAGS
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{
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TEX_FILTER_DEFAULT = 0,
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// Clamp filtering only
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TEX_FILTER_SEPARATE_ALPHA = 0x100,
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// Resize color and alpha channel independently
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TEX_FILTER_DITHER = 0x10000,
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// Use ordered 4x4 dithering for any required conversions
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TEX_FILTER_DITHER_DIFFUSION = 0x20000,
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// Use error-diffusion dithering for any required conversions
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TEX_FILTER_POINT = 0x100000,
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TEX_FILTER_LINEAR = 0x200000,
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TEX_FILTER_CUBIC = 0x300000,
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TEX_FILTER_FANT = 0x400000, // Equiv to Box filtering for mipmap generation
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// Filtering mode to use for any required image resizing
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TEX_FILTER_SRGB_IN = 0x1000000,
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TEX_FILTER_SRGB_OUT = 0x2000000,
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TEX_FILTER_SRGB = 0x3000000,
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// sRGB <-> RGB for use in conversion operations
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// if the input format type is IsSRGB(), then SRGB_IN is on by default
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// if the output format type is IsSRGB(), then SRGB_OUT is on by default
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};
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HRESULT Resize( _In_ const Image& srcImage, _In_ size_t width, _In_ size_t height, _In_ DWORD filter,
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_Out_ ScratchImage& image );
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HRESULT Resize( _In_count_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_In_ size_t width, _In_ size_t height, _In_ DWORD filter, _Out_ ScratchImage& result );
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// Resize the image to width x height. Defaults to Fant filtering.
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// Note for a complex resize, the result will always have mipLevels == 1
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HRESULT Convert( _In_ const Image& srcImage, _In_ DXGI_FORMAT format, _In_ DWORD filter, _In_ float threshold,
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_Out_ ScratchImage& image );
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HRESULT Convert( _In_count_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_In_ DXGI_FORMAT format, _In_ DWORD filter, _In_ float threshold, _Out_ ScratchImage& result );
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// Convert the image to a new format
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HRESULT GenerateMipMaps( _In_ const Image& baseImage, _In_ DWORD filter, _In_ size_t levels,
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_Out_ ScratchImage& mipChain, bool allow1D = false );
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HRESULT GenerateMipMaps( _In_count_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_In_ DWORD filter, _In_ size_t levels, _Out_ ScratchImage& mipChain );
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// levels of '0' indicates a full mipchain, otherwise is generates that number of total levels (including the source base image)
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// Defaults to Fant filtering which is equivalent to a box filter
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HRESULT GenerateMipMaps3D( _In_count_(depth) const Image* baseImages, _In_ size_t depth, _In_ DWORD filter, _In_ size_t levels,
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_Out_ ScratchImage& mipChain );
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HRESULT GenerateMipMaps3D( _In_count_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_In_ DWORD filter, _In_ size_t levels, _Out_ ScratchImage& mipChain );
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// levels of '0' indicates a full mipchain, otherwise is generates that number of total levels (including the source base image)
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// Defaults to Fant filtering which is equivalent to a box filter
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enum TEX_COMPRESS_FLAGS
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{
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TEX_COMPRESS_DEFAULT = 0,
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TEX_COMPRESS_RGB_DITHER = 0x10000,
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// Enables dithering RGB colors for BC1-3 compression
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TEX_COMPRESS_A_DITHER = 0x20000,
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// Enables dithering alpha for BC1-3 compression
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TEX_COMPRESS_DITHER = 0x30000,
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// Enables both RGB and alpha dithering for BC1-3 compression
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TEX_COMPRESS_UNIFORM = 0x40000,
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// Uniform color weighting for BC1-3 compression; by default uses perceptual weighting
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TEX_COMPRESS_PARALLEL = 0x10000000,
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// Compress is free to use multithreading to improve performance (by default it does not use multithreading)
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};
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HRESULT Compress( _In_ const Image& srcImage, _In_ DXGI_FORMAT format, _In_ DWORD compress, _In_ float alphaRef,
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_Out_ ScratchImage& cImage );
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HRESULT Compress( _In_count_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_In_ DXGI_FORMAT format, _In_ DWORD compress, _In_ float alphaRef, _Out_ ScratchImage& cImages );
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// Note that alphaRef is only used by BC1. 0.5f is a typical value to use
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HRESULT Decompress( _In_ const Image& cImage, _In_ DXGI_FORMAT format, _Out_ ScratchImage& image );
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HRESULT Decompress( _In_count_(nimages) const Image* cImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_In_ DXGI_FORMAT format, _Out_ ScratchImage& images );
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//---------------------------------------------------------------------------------
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// Normal map operations
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enum CNMAP_FLAGS
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{
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CNMAP_DEFAULT = 0,
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CNMAP_CHANNEL_RED = 0x1,
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CNMAP_CHANNEL_GREEN = 0x2,
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CNMAP_CHANNEL_BLUE = 0x3,
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CNMAP_CHANNEL_ALPHA = 0x4,
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CNMAP_CHANNEL_LUMINANCE = 0x5,
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// Channel selection when evaluting color value for height
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// Luminance is a combination of red, green, and blue
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CNMAP_MIRROR_U = 0x1000,
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CNMAP_MIRROR_V = 0x2000,
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CNMAP_MIRROR = 0x3000,
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// Use mirror semantics for scanline references (defaults to wrap)
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CNMAP_INVERT_SIGN = 0x4000,
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// Inverts normal sign
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CNMAP_COMPUTE_OCCLUSION = 0x8000,
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// Computes a crude occlusion term stored in the alpha channel
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};
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HRESULT ComputeNormalMap( _In_ const Image& srcImage, _In_ DWORD flags, _In_ float amplitude,
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_In_ DXGI_FORMAT format, _Out_ ScratchImage& normalMap );
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HRESULT ComputeNormalMap( _In_count_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_In_ DWORD flags, _In_ float amplitude, _In_ DXGI_FORMAT format, _Out_ ScratchImage& normalMaps );
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//---------------------------------------------------------------------------------
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// Misc image operations
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struct Rect
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{
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size_t x;
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size_t y;
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size_t w;
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size_t h;
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Rect() {}
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Rect( size_t _x, size_t _y, size_t _w, size_t _h ) : x(_x), y(_y), w(_w), h(_h) {}
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};
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HRESULT CopyRectangle( _In_ const Image& srcImage, _In_ const Rect& srcRect, _In_ const Image& dstImage,
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_In_ DWORD filter, _In_ size_t xOffset, _In_ size_t yOffset );
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HRESULT ComputeMSE( _In_ const Image& image1, _In_ const Image& image2, _Out_ float& mse, _Out_opt_cap_c_(4) float* mseV );
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//---------------------------------------------------------------------------------
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// Direct3D 11 functions
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bool IsSupportedTexture( _In_ ID3D11Device* pDevice, _In_ const TexMetadata& metadata );
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HRESULT CreateTexture( _In_ ID3D11Device* pDevice, _In_count_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_Deref_out_ ID3D11Resource** ppResource );
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HRESULT CreateShaderResourceView( _In_ ID3D11Device* pDevice, _In_count_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
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_Deref_out_ ID3D11ShaderResourceView** ppSRV );
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HRESULT CaptureTexture( _In_ ID3D11Device* pDevice, _In_ ID3D11DeviceContext* pContext, _In_ ID3D11Resource* pSource, _Out_ ScratchImage& result );
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#include "DirectXTex.inl"
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}; // namespace
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