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crossxtex/DirectXTex/DirectXTex.h
Chuck Walbourn cded42acfc Code review feedback
2019-01-28 15:58:59 -08:00

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//-------------------------------------------------------------------------------------
// DirectXTex.h
//
// DirectX Texture Library
//
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
//
// http://go.microsoft.com/fwlink/?LinkId=248926
//-------------------------------------------------------------------------------------
#pragma once
#include <stdint.h>
#include <algorithm>
#include <functional>
#include <vector>
#if !defined(__d3d11_h__) && !defined(__d3d11_x_h__) && !defined(__d3d12_h__) && !defined(__d3d12_x_h__)
#if defined(_XBOX_ONE) && defined(_TITLE)
#include <d3d11_x.h>
#define DCOMMON_H_INCLUDED
#else
#include <d3d11_1.h>
#endif
#endif
#include <directxmath.h>
#include <ocidl.h>
#define DIRECTX_TEX_VERSION 161
struct IWICImagingFactory;
struct IWICMetadataQueryReader;
namespace DirectX
{
//---------------------------------------------------------------------------------
// DXGI Format Utilities
bool __cdecl IsValid(_In_ DXGI_FORMAT fmt);
bool __cdecl IsCompressed(_In_ DXGI_FORMAT fmt);
bool __cdecl IsPacked(_In_ DXGI_FORMAT fmt);
bool __cdecl IsVideo(_In_ DXGI_FORMAT fmt);
bool __cdecl IsPlanar(_In_ DXGI_FORMAT fmt);
bool __cdecl IsPalettized(_In_ DXGI_FORMAT fmt);
bool __cdecl IsDepthStencil(_In_ DXGI_FORMAT fmt);
bool __cdecl IsSRGB(_In_ DXGI_FORMAT fmt);
bool __cdecl IsTypeless(_In_ DXGI_FORMAT fmt, _In_ bool partialTypeless = true);
bool __cdecl HasAlpha(_In_ DXGI_FORMAT fmt);
size_t __cdecl BitsPerPixel(_In_ DXGI_FORMAT fmt);
size_t __cdecl BitsPerColor(_In_ DXGI_FORMAT fmt);
enum CP_FLAGS
{
CP_FLAGS_NONE = 0x0, // Normal operation
CP_FLAGS_LEGACY_DWORD = 0x1, // Assume pitch is DWORD aligned instead of BYTE aligned
CP_FLAGS_PARAGRAPH = 0x2, // Assume pitch is 16-byte aligned instead of BYTE aligned
CP_FLAGS_YMM = 0x4, // Assume pitch is 32-byte aligned instead of BYTE aligned
CP_FLAGS_ZMM = 0x8, // Assume pitch is 64-byte aligned instead of BYTE aligned
CP_FLAGS_PAGE4K = 0x200, // Assume pitch is 4096-byte aligned instead of BYTE aligned
CP_FLAGS_BAD_DXTN_TAILS = 0x1000, // BC formats with malformed mipchain blocks smaller than 4x4
CP_FLAGS_24BPP = 0x10000, // Override with a legacy 24 bits-per-pixel format size
CP_FLAGS_16BPP = 0x20000, // Override with a legacy 16 bits-per-pixel format size
CP_FLAGS_8BPP = 0x40000, // Override with a legacy 8 bits-per-pixel format size
};
HRESULT __cdecl ComputePitch(
_In_ DXGI_FORMAT fmt, _In_ size_t width, _In_ size_t height,
_Out_ size_t& rowPitch, _Out_ size_t& slicePitch, _In_ DWORD flags = CP_FLAGS_NONE);
size_t __cdecl ComputeScanlines(_In_ DXGI_FORMAT fmt, _In_ size_t height);
DXGI_FORMAT __cdecl MakeSRGB(_In_ DXGI_FORMAT fmt);
DXGI_FORMAT __cdecl MakeTypeless(_In_ DXGI_FORMAT fmt);
DXGI_FORMAT __cdecl MakeTypelessUNORM(_In_ DXGI_FORMAT fmt);
DXGI_FORMAT __cdecl MakeTypelessFLOAT(_In_ DXGI_FORMAT fmt);
//---------------------------------------------------------------------------------
// Texture metadata
enum TEX_DIMENSION
// Subset here matches D3D10_RESOURCE_DIMENSION and D3D11_RESOURCE_DIMENSION
{
TEX_DIMENSION_TEXTURE1D = 2,
TEX_DIMENSION_TEXTURE2D = 3,
TEX_DIMENSION_TEXTURE3D = 4,
};
enum TEX_MISC_FLAG
// Subset here matches D3D10_RESOURCE_MISC_FLAG and D3D11_RESOURCE_MISC_FLAG
{
TEX_MISC_TEXTURECUBE = 0x4L,
};
enum TEX_MISC_FLAG2
{
TEX_MISC2_ALPHA_MODE_MASK = 0x7L,
};
enum TEX_ALPHA_MODE
// Matches DDS_ALPHA_MODE, encoded in MISC_FLAGS2
{
TEX_ALPHA_MODE_UNKNOWN = 0,
TEX_ALPHA_MODE_STRAIGHT = 1,
TEX_ALPHA_MODE_PREMULTIPLIED = 2,
TEX_ALPHA_MODE_OPAQUE = 3,
TEX_ALPHA_MODE_CUSTOM = 4,
};
struct TexMetadata
{
size_t width;
size_t height; // Should be 1 for 1D textures
size_t depth; // Should be 1 for 1D or 2D textures
size_t arraySize; // For cubemap, this is a multiple of 6
size_t mipLevels;
uint32_t miscFlags;
uint32_t miscFlags2;
DXGI_FORMAT format;
TEX_DIMENSION dimension;
size_t __cdecl ComputeIndex(_In_ size_t mip, _In_ size_t item, _In_ size_t slice) const;
// Returns size_t(-1) to indicate an out-of-range error
bool __cdecl IsCubemap() const { return (miscFlags & TEX_MISC_TEXTURECUBE) != 0; }
// Helper for miscFlags
bool __cdecl IsPMAlpha() const { return ((miscFlags2 & TEX_MISC2_ALPHA_MODE_MASK) == TEX_ALPHA_MODE_PREMULTIPLIED) != 0; }
void __cdecl SetAlphaMode(TEX_ALPHA_MODE mode) { miscFlags2 = (miscFlags2 & ~TEX_MISC2_ALPHA_MODE_MASK) | static_cast<uint32_t>(mode); }
TEX_ALPHA_MODE __cdecl GetAlphaMode() const { return static_cast<TEX_ALPHA_MODE>(miscFlags2 & TEX_MISC2_ALPHA_MODE_MASK); }
// Helpers for miscFlags2
bool __cdecl IsVolumemap() const { return (dimension == TEX_DIMENSION_TEXTURE3D); }
// Helper for dimension
};
enum DDS_FLAGS
{
DDS_FLAGS_NONE = 0x0,
DDS_FLAGS_LEGACY_DWORD = 0x1,
// Assume pitch is DWORD aligned instead of BYTE aligned (used by some legacy DDS files)
DDS_FLAGS_NO_LEGACY_EXPANSION = 0x2,
// Do not implicitly convert legacy formats that result in larger pixel sizes (24 bpp, 3:3:2, A8L8, A4L4, P8, A8P8)
DDS_FLAGS_NO_R10B10G10A2_FIXUP = 0x4,
// Do not use work-around for long-standing D3DX DDS file format issue which reversed the 10:10:10:2 color order masks
DDS_FLAGS_FORCE_RGB = 0x8,
// Convert DXGI 1.1 BGR formats to DXGI_FORMAT_R8G8B8A8_UNORM to avoid use of optional WDDM 1.1 formats
DDS_FLAGS_NO_16BPP = 0x10,
// Conversions avoid use of 565, 5551, and 4444 formats and instead expand to 8888 to avoid use of optional WDDM 1.2 formats
DDS_FLAGS_EXPAND_LUMINANCE = 0x20,
// When loading legacy luminance formats expand replicating the color channels rather than leaving them packed (L8, L16, A8L8)
DDS_FLAGS_BAD_DXTN_TAILS = 0x40,
// Some older DXTn DDS files incorrectly handle mipchain tails for blocks smaller than 4x4
DDS_FLAGS_FORCE_DX10_EXT = 0x10000,
// Always use the 'DX10' header extension for DDS writer (i.e. don't try to write DX9 compatible DDS files)
DDS_FLAGS_FORCE_DX10_EXT_MISC2 = 0x20000,
// DDS_FLAGS_FORCE_DX10_EXT including miscFlags2 information (result may not be compatible with D3DX10 or D3DX11)
};
enum WIC_FLAGS
{
WIC_FLAGS_NONE = 0x0,
WIC_FLAGS_FORCE_RGB = 0x1,
// Loads DXGI 1.1 BGR formats as DXGI_FORMAT_R8G8B8A8_UNORM to avoid use of optional WDDM 1.1 formats
WIC_FLAGS_NO_X2_BIAS = 0x2,
// Loads DXGI 1.1 X2 10:10:10:2 format as DXGI_FORMAT_R10G10B10A2_UNORM
WIC_FLAGS_NO_16BPP = 0x4,
// Loads 565, 5551, and 4444 formats as 8888 to avoid use of optional WDDM 1.2 formats
WIC_FLAGS_ALLOW_MONO = 0x8,
// Loads 1-bit monochrome (black & white) as R1_UNORM rather than 8-bit grayscale
WIC_FLAGS_ALL_FRAMES = 0x10,
// Loads all images in a multi-frame file, converting/resizing to match the first frame as needed, defaults to 0th frame otherwise
WIC_FLAGS_IGNORE_SRGB = 0x20,
// Ignores sRGB metadata if present in the file
WIC_FLAGS_FORCE_SRGB = 0x40,
// Writes sRGB metadata into the file reguardless of format
WIC_FLAGS_FORCE_LINEAR = 0x80,
// Writes linear gamma metadata into the file reguardless of format
WIC_FLAGS_DITHER = 0x10000,
// Use ordered 4x4 dithering for any required conversions
WIC_FLAGS_DITHER_DIFFUSION = 0x20000,
// Use error-diffusion dithering for any required conversions
WIC_FLAGS_FILTER_POINT = 0x100000,
WIC_FLAGS_FILTER_LINEAR = 0x200000,
WIC_FLAGS_FILTER_CUBIC = 0x300000,
WIC_FLAGS_FILTER_FANT = 0x400000, // Combination of Linear and Box filter
// Filtering mode to use for any required image resizing (only needed when loading arrays of differently sized images; defaults to Fant)
};
HRESULT __cdecl GetMetadataFromDDSMemory(
_In_reads_bytes_(size) const void* pSource, _In_ size_t size,
_In_ DWORD flags,
_Out_ TexMetadata& metadata);
HRESULT __cdecl GetMetadataFromDDSFile(
_In_z_ const wchar_t* szFile,
_In_ DWORD flags,
_Out_ TexMetadata& metadata);
HRESULT __cdecl GetMetadataFromHDRMemory(
_In_reads_bytes_(size) const void* pSource, _In_ size_t size,
_Out_ TexMetadata& metadata);
HRESULT __cdecl GetMetadataFromHDRFile(
_In_z_ const wchar_t* szFile,
_Out_ TexMetadata& metadata);
HRESULT __cdecl GetMetadataFromTGAMemory(
_In_reads_bytes_(size) const void* pSource, _In_ size_t size,
_Out_ TexMetadata& metadata);
HRESULT __cdecl GetMetadataFromTGAFile(
_In_z_ const wchar_t* szFile,
_Out_ TexMetadata& metadata);
HRESULT __cdecl GetMetadataFromWICMemory(
_In_reads_bytes_(size) const void* pSource, _In_ size_t size,
_In_ DWORD flags,
_Out_ TexMetadata& metadata,
_In_opt_ std::function<void __cdecl(IWICMetadataQueryReader*)> getMQR = nullptr);
HRESULT __cdecl GetMetadataFromWICFile(
_In_z_ const wchar_t* szFile,
_In_ DWORD flags,
_Out_ TexMetadata& metadata,
_In_opt_ std::function<void __cdecl(IWICMetadataQueryReader*)> getMQR = nullptr);
//---------------------------------------------------------------------------------
// Bitmap image container
struct Image
{
size_t width;
size_t height;
DXGI_FORMAT format;
size_t rowPitch;
size_t slicePitch;
uint8_t* pixels;
};
class ScratchImage
{
public:
ScratchImage() noexcept
: m_nimages(0), m_size(0), m_metadata{}, m_image(nullptr), m_memory(nullptr) {}
ScratchImage(ScratchImage&& moveFrom) noexcept
: m_nimages(0), m_size(0), m_metadata{}, m_image(nullptr), m_memory(nullptr) { *this = std::move(moveFrom); }
~ScratchImage() { Release(); }
ScratchImage& __cdecl operator= (ScratchImage&& moveFrom) noexcept;
ScratchImage(const ScratchImage&) = delete;
ScratchImage& operator=(const ScratchImage&) = delete;
HRESULT __cdecl Initialize(_In_ const TexMetadata& mdata, _In_ DWORD flags = CP_FLAGS_NONE);
HRESULT __cdecl Initialize1D(_In_ DXGI_FORMAT fmt, _In_ size_t length, _In_ size_t arraySize, _In_ size_t mipLevels, _In_ DWORD flags = CP_FLAGS_NONE);
HRESULT __cdecl Initialize2D(_In_ DXGI_FORMAT fmt, _In_ size_t width, _In_ size_t height, _In_ size_t arraySize, _In_ size_t mipLevels, _In_ DWORD flags = CP_FLAGS_NONE);
HRESULT __cdecl Initialize3D(_In_ DXGI_FORMAT fmt, _In_ size_t width, _In_ size_t height, _In_ size_t depth, _In_ size_t mipLevels, _In_ DWORD flags = CP_FLAGS_NONE);
HRESULT __cdecl InitializeCube(_In_ DXGI_FORMAT fmt, _In_ size_t width, _In_ size_t height, _In_ size_t nCubes, _In_ size_t mipLevels, _In_ DWORD flags = CP_FLAGS_NONE);
HRESULT __cdecl InitializeFromImage(_In_ const Image& srcImage, _In_ bool allow1D = false, _In_ DWORD flags = CP_FLAGS_NONE);
HRESULT __cdecl InitializeArrayFromImages(_In_reads_(nImages) const Image* images, _In_ size_t nImages, _In_ bool allow1D = false, _In_ DWORD flags = CP_FLAGS_NONE);
HRESULT __cdecl InitializeCubeFromImages(_In_reads_(nImages) const Image* images, _In_ size_t nImages, _In_ DWORD flags = CP_FLAGS_NONE);
HRESULT __cdecl Initialize3DFromImages(_In_reads_(depth) const Image* images, _In_ size_t depth, _In_ DWORD flags = CP_FLAGS_NONE);
void __cdecl Release();
bool __cdecl OverrideFormat(_In_ DXGI_FORMAT f);
const TexMetadata& __cdecl GetMetadata() const { return m_metadata; }
const Image* __cdecl GetImage(_In_ size_t mip, _In_ size_t item, _In_ size_t slice) const;
const Image* __cdecl GetImages() const { return m_image; }
size_t __cdecl GetImageCount() const { return m_nimages; }
uint8_t* __cdecl GetPixels() const { return m_memory; }
size_t __cdecl GetPixelsSize() const { return m_size; }
bool __cdecl IsAlphaAllOpaque() const;
private:
size_t m_nimages;
size_t m_size;
TexMetadata m_metadata;
Image* m_image;
uint8_t* m_memory;
};
//---------------------------------------------------------------------------------
// Memory blob (allocated buffer pointer is always 16-byte aligned)
class Blob
{
public:
Blob() noexcept : m_buffer(nullptr), m_size(0) {}
Blob(Blob&& moveFrom) noexcept : m_buffer(nullptr), m_size(0) { *this = std::move(moveFrom); }
~Blob() { Release(); }
Blob& __cdecl operator= (Blob&& moveFrom) noexcept;
Blob(const Blob&) = delete;
Blob& operator=(const Blob&) = delete;
HRESULT __cdecl Initialize(_In_ size_t size);
void __cdecl Release();
void *__cdecl GetBufferPointer() const { return m_buffer; }
size_t __cdecl GetBufferSize() const { return m_size; }
HRESULT __cdecl Trim(size_t size);
private:
void* m_buffer;
size_t m_size;
};
//---------------------------------------------------------------------------------
// Image I/O
// DDS operations
HRESULT __cdecl LoadFromDDSMemory(
_In_reads_bytes_(size) const void* pSource, _In_ size_t size,
_In_ DWORD flags,
_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image);
HRESULT __cdecl LoadFromDDSFile(
_In_z_ const wchar_t* szFile,
_In_ DWORD flags,
_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image);
HRESULT __cdecl SaveToDDSMemory(
_In_ const Image& image,
_In_ DWORD flags,
_Out_ Blob& blob);
HRESULT __cdecl SaveToDDSMemory(
_In_reads_(nimages) const Image* images, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DWORD flags,
_Out_ Blob& blob);
HRESULT __cdecl SaveToDDSFile(_In_ const Image& image, _In_ DWORD flags, _In_z_ const wchar_t* szFile);
HRESULT __cdecl SaveToDDSFile(
_In_reads_(nimages) const Image* images, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DWORD flags, _In_z_ const wchar_t* szFile);
// HDR operations
HRESULT __cdecl LoadFromHDRMemory(
_In_reads_bytes_(size) const void* pSource, _In_ size_t size,
_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image);
HRESULT __cdecl LoadFromHDRFile(
_In_z_ const wchar_t* szFile,
_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image);
HRESULT __cdecl SaveToHDRMemory(_In_ const Image& image, _Out_ Blob& blob);
HRESULT __cdecl SaveToHDRFile(_In_ const Image& image, _In_z_ const wchar_t* szFile);
// TGA operations
HRESULT __cdecl LoadFromTGAMemory(
_In_reads_bytes_(size) const void* pSource, _In_ size_t size,
_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image);
HRESULT __cdecl LoadFromTGAFile(
_In_z_ const wchar_t* szFile,
_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image);
HRESULT __cdecl SaveToTGAMemory(_In_ const Image& image, _Out_ Blob& blob);
HRESULT __cdecl SaveToTGAFile(_In_ const Image& image, _In_z_ const wchar_t* szFile);
// WIC operations
HRESULT __cdecl LoadFromWICMemory(
_In_reads_bytes_(size) const void* pSource, _In_ size_t size,
_In_ DWORD flags,
_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image,
_In_opt_ std::function<void __cdecl(IWICMetadataQueryReader*)> getMQR = nullptr);
HRESULT __cdecl LoadFromWICFile(
_In_z_ const wchar_t* szFile, _In_ DWORD flags,
_Out_opt_ TexMetadata* metadata, _Out_ ScratchImage& image,
_In_opt_ std::function<void __cdecl(IWICMetadataQueryReader*)> getMQR = nullptr);
HRESULT __cdecl SaveToWICMemory(
_In_ const Image& image, _In_ DWORD flags, _In_ REFGUID guidContainerFormat,
_Out_ Blob& blob, _In_opt_ const GUID* targetFormat = nullptr,
_In_opt_ std::function<void __cdecl(IPropertyBag2*)> setCustomProps = nullptr);
HRESULT __cdecl SaveToWICMemory(
_In_count_(nimages) const Image* images, _In_ size_t nimages,
_In_ DWORD flags, _In_ REFGUID guidContainerFormat,
_Out_ Blob& blob, _In_opt_ const GUID* targetFormat = nullptr,
_In_opt_ std::function<void __cdecl(IPropertyBag2*)> setCustomProps = nullptr);
HRESULT __cdecl SaveToWICFile(
_In_ const Image& image, _In_ DWORD flags, _In_ REFGUID guidContainerFormat,
_In_z_ const wchar_t* szFile, _In_opt_ const GUID* targetFormat = nullptr,
_In_opt_ std::function<void __cdecl(IPropertyBag2*)> setCustomProps = nullptr);
HRESULT __cdecl SaveToWICFile(
_In_count_(nimages) const Image* images, _In_ size_t nimages,
_In_ DWORD flags, _In_ REFGUID guidContainerFormat,
_In_z_ const wchar_t* szFile, _In_opt_ const GUID* targetFormat = nullptr,
_In_opt_ std::function<void __cdecl(IPropertyBag2*)> setCustomProps = nullptr);
//---------------------------------------------------------------------------------
// Texture conversion, resizing, mipmap generation, and block compression
enum TEX_FR_FLAGS
{
TEX_FR_ROTATE0 = 0x0,
TEX_FR_ROTATE90 = 0x1,
TEX_FR_ROTATE180 = 0x2,
TEX_FR_ROTATE270 = 0x3,
TEX_FR_FLIP_HORIZONTAL = 0x08,
TEX_FR_FLIP_VERTICAL = 0x10,
};
HRESULT __cdecl FlipRotate(_In_ const Image& srcImage, _In_ DWORD flags, _Out_ ScratchImage& image);
HRESULT __cdecl FlipRotate(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DWORD flags, _Out_ ScratchImage& result);
// Flip and/or rotate image
enum TEX_FILTER_FLAGS
{
TEX_FILTER_DEFAULT = 0,
TEX_FILTER_WRAP_U = 0x1,
TEX_FILTER_WRAP_V = 0x2,
TEX_FILTER_WRAP_W = 0x4,
TEX_FILTER_WRAP = (TEX_FILTER_WRAP_U | TEX_FILTER_WRAP_V | TEX_FILTER_WRAP_W),
TEX_FILTER_MIRROR_U = 0x10,
TEX_FILTER_MIRROR_V = 0x20,
TEX_FILTER_MIRROR_W = 0x40,
TEX_FILTER_MIRROR = (TEX_FILTER_MIRROR_U | TEX_FILTER_MIRROR_V | TEX_FILTER_MIRROR_W),
// Wrap vs. Mirror vs. Clamp filtering options
TEX_FILTER_SEPARATE_ALPHA = 0x100,
// Resize color and alpha channel independently
TEX_FILTER_FLOAT_X2BIAS = 0x200,
// Enable *2 - 1 conversion cases for unorm<->float and positive-only float formats
TEX_FILTER_RGB_COPY_RED = 0x1000,
TEX_FILTER_RGB_COPY_GREEN = 0x2000,
TEX_FILTER_RGB_COPY_BLUE = 0x4000,
// When converting RGB to R, defaults to using grayscale. These flags indicate copying a specific channel instead
// When converting RGB to RG, defaults to copying RED | GREEN. These flags control which channels are selected instead.
TEX_FILTER_DITHER = 0x10000,
// Use ordered 4x4 dithering for any required conversions
TEX_FILTER_DITHER_DIFFUSION = 0x20000,
// Use error-diffusion dithering for any required conversions
TEX_FILTER_POINT = 0x100000,
TEX_FILTER_LINEAR = 0x200000,
TEX_FILTER_CUBIC = 0x300000,
TEX_FILTER_BOX = 0x400000,
TEX_FILTER_FANT = 0x400000, // Equiv to Box filtering for mipmap generation
TEX_FILTER_TRIANGLE = 0x500000,
// Filtering mode to use for any required image resizing
TEX_FILTER_SRGB_IN = 0x1000000,
TEX_FILTER_SRGB_OUT = 0x2000000,
TEX_FILTER_SRGB = (TEX_FILTER_SRGB_IN | TEX_FILTER_SRGB_OUT),
// sRGB <-> RGB for use in conversion operations
// if the input format type is IsSRGB(), then SRGB_IN is on by default
// if the output format type is IsSRGB(), then SRGB_OUT is on by default
TEX_FILTER_FORCE_NON_WIC = 0x10000000,
// Forces use of the non-WIC path when both are an option
TEX_FILTER_FORCE_WIC = 0x20000000,
// Forces use of the WIC path even when logic would have picked a non-WIC path when both are an option
};
HRESULT __cdecl Resize(
_In_ const Image& srcImage, _In_ size_t width, _In_ size_t height,
_In_ DWORD filter,
_Out_ ScratchImage& image);
HRESULT __cdecl Resize(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ size_t width, _In_ size_t height, _In_ DWORD filter, _Out_ ScratchImage& result);
// Resize the image to width x height. Defaults to Fant filtering.
// Note for a complex resize, the result will always have mipLevels == 1
const float TEX_THRESHOLD_DEFAULT = 0.5f;
// Default value for alpha threshold used when converting to 1-bit alpha
HRESULT __cdecl Convert(
_In_ const Image& srcImage, _In_ DXGI_FORMAT format, _In_ DWORD filter, _In_ float threshold,
_Out_ ScratchImage& image);
HRESULT __cdecl Convert(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DXGI_FORMAT format, _In_ DWORD filter, _In_ float threshold, _Out_ ScratchImage& result);
// Convert the image to a new format
HRESULT __cdecl ConvertToSinglePlane(_In_ const Image& srcImage, _Out_ ScratchImage& image);
HRESULT __cdecl ConvertToSinglePlane(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_Out_ ScratchImage& image);
// Converts the image from a planar format to an equivalent non-planar format
HRESULT __cdecl GenerateMipMaps(
_In_ const Image& baseImage, _In_ DWORD filter, _In_ size_t levels,
_Inout_ ScratchImage& mipChain, _In_ bool allow1D = false);
HRESULT __cdecl GenerateMipMaps(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DWORD filter, _In_ size_t levels, _Inout_ ScratchImage& mipChain);
// levels of '0' indicates a full mipchain, otherwise is generates that number of total levels (including the source base image)
// Defaults to Fant filtering which is equivalent to a box filter
HRESULT __cdecl GenerateMipMaps3D(
_In_reads_(depth) const Image* baseImages, _In_ size_t depth, _In_ DWORD filter, _In_ size_t levels,
_Out_ ScratchImage& mipChain);
HRESULT __cdecl GenerateMipMaps3D(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DWORD filter, _In_ size_t levels, _Out_ ScratchImage& mipChain);
// levels of '0' indicates a full mipchain, otherwise is generates that number of total levels (including the source base image)
// Defaults to Fant filtering which is equivalent to a box filter
HRESULT __cdecl ScaleMipMapsAlphaForCoverage(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata, _In_ size_t item,
_In_ float alphaReference, _Inout_ ScratchImage& mipChain);
enum TEX_PMALPHA_FLAGS
{
TEX_PMALPHA_DEFAULT = 0,
TEX_PMALPHA_IGNORE_SRGB = 0x1,
// ignores sRGB colorspace conversions
TEX_PMALPHA_REVERSE = 0x2,
// converts from premultiplied alpha back to straight alpha
TEX_PMALPHA_SRGB_IN = 0x1000000,
TEX_PMALPHA_SRGB_OUT = 0x2000000,
TEX_PMALPHA_SRGB = (TEX_PMALPHA_SRGB_IN | TEX_PMALPHA_SRGB_OUT),
// if the input format type is IsSRGB(), then SRGB_IN is on by default
// if the output format type is IsSRGB(), then SRGB_OUT is on by default
};
HRESULT __cdecl PremultiplyAlpha(_In_ const Image& srcImage, _In_ DWORD flags, _Out_ ScratchImage& image);
HRESULT __cdecl PremultiplyAlpha(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DWORD flags, _Out_ ScratchImage& result);
// Converts to/from a premultiplied alpha version of the texture
enum TEX_COMPRESS_FLAGS
{
TEX_COMPRESS_DEFAULT = 0,
TEX_COMPRESS_RGB_DITHER = 0x10000,
// Enables dithering RGB colors for BC1-3 compression
TEX_COMPRESS_A_DITHER = 0x20000,
// Enables dithering alpha for BC1-3 compression
TEX_COMPRESS_DITHER = 0x30000,
// Enables both RGB and alpha dithering for BC1-3 compression
TEX_COMPRESS_UNIFORM = 0x40000,
// Uniform color weighting for BC1-3 compression; by default uses perceptual weighting
TEX_COMPRESS_BC7_USE_3SUBSETS = 0x80000,
// Enables exhaustive search for BC7 compress for mode 0 and 2; by default skips trying these modes
TEX_COMPRESS_BC7_QUICK = 0x100000,
// Minimal modes (usually mode 6) for BC7 compression
TEX_COMPRESS_SRGB_IN = 0x1000000,
TEX_COMPRESS_SRGB_OUT = 0x2000000,
TEX_COMPRESS_SRGB = (TEX_COMPRESS_SRGB_IN | TEX_COMPRESS_SRGB_OUT),
// if the input format type is IsSRGB(), then SRGB_IN is on by default
// if the output format type is IsSRGB(), then SRGB_OUT is on by default
TEX_COMPRESS_PARALLEL = 0x10000000,
// Compress is free to use multithreading to improve performance (by default it does not use multithreading)
};
HRESULT __cdecl Compress(
_In_ const Image& srcImage, _In_ DXGI_FORMAT format, _In_ DWORD compress, _In_ float threshold,
_Out_ ScratchImage& cImage);
HRESULT __cdecl Compress(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DXGI_FORMAT format, _In_ DWORD compress, _In_ float threshold, _Out_ ScratchImage& cImages);
// Note that threshold is only used by BC1. TEX_THRESHOLD_DEFAULT is a typical value to use
#if defined(__d3d11_h__) || defined(__d3d11_x_h__)
HRESULT __cdecl Compress(
_In_ ID3D11Device* pDevice, _In_ const Image& srcImage, _In_ DXGI_FORMAT format, _In_ DWORD compress,
_In_ float alphaWeight, _Out_ ScratchImage& image);
HRESULT __cdecl Compress(
_In_ ID3D11Device* pDevice, _In_ const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DXGI_FORMAT format, _In_ DWORD compress, _In_ float alphaWeight, _Out_ ScratchImage& cImages);
// DirectCompute-based compression (alphaWeight is only used by BC7. 1.0 is the typical value to use)
#endif
HRESULT __cdecl Decompress(_In_ const Image& cImage, _In_ DXGI_FORMAT format, _Out_ ScratchImage& image);
HRESULT __cdecl Decompress(
_In_reads_(nimages) const Image* cImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DXGI_FORMAT format, _Out_ ScratchImage& images);
//---------------------------------------------------------------------------------
// Normal map operations
enum CNMAP_FLAGS
{
CNMAP_DEFAULT = 0,
CNMAP_CHANNEL_RED = 0x1,
CNMAP_CHANNEL_GREEN = 0x2,
CNMAP_CHANNEL_BLUE = 0x3,
CNMAP_CHANNEL_ALPHA = 0x4,
CNMAP_CHANNEL_LUMINANCE = 0x5,
// Channel selection when evaluting color value for height
// Luminance is a combination of red, green, and blue
CNMAP_MIRROR_U = 0x1000,
CNMAP_MIRROR_V = 0x2000,
CNMAP_MIRROR = 0x3000,
// Use mirror semantics for scanline references (defaults to wrap)
CNMAP_INVERT_SIGN = 0x4000,
// Inverts normal sign
CNMAP_COMPUTE_OCCLUSION = 0x8000,
// Computes a crude occlusion term stored in the alpha channel
};
HRESULT __cdecl ComputeNormalMap(
_In_ const Image& srcImage, _In_ DWORD flags, _In_ float amplitude,
_In_ DXGI_FORMAT format, _Out_ ScratchImage& normalMap);
HRESULT __cdecl ComputeNormalMap(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ DWORD flags, _In_ float amplitude, _In_ DXGI_FORMAT format, _Out_ ScratchImage& normalMaps);
//---------------------------------------------------------------------------------
// Misc image operations
struct Rect
{
size_t x;
size_t y;
size_t w;
size_t h;
Rect() = default;
Rect(size_t _x, size_t _y, size_t _w, size_t _h) : x(_x), y(_y), w(_w), h(_h) {}
};
HRESULT __cdecl CopyRectangle(
_In_ const Image& srcImage, _In_ const Rect& srcRect, _In_ const Image& dstImage,
_In_ DWORD filter, _In_ size_t xOffset, _In_ size_t yOffset);
enum CMSE_FLAGS
{
CMSE_DEFAULT = 0,
CMSE_IMAGE1_SRGB = 0x1,
CMSE_IMAGE2_SRGB = 0x2,
// Indicates that image needs gamma correction before comparision
CMSE_IGNORE_RED = 0x10,
CMSE_IGNORE_GREEN = 0x20,
CMSE_IGNORE_BLUE = 0x40,
CMSE_IGNORE_ALPHA = 0x80,
// Ignore the channel when computing MSE
CMSE_IMAGE1_X2_BIAS = 0x100,
CMSE_IMAGE2_X2_BIAS = 0x200,
// Indicates that image should be scaled and biased before comparison (i.e. UNORM -> SNORM)
};
HRESULT __cdecl ComputeMSE(_In_ const Image& image1, _In_ const Image& image2, _Out_ float& mse, _Out_writes_opt_(4) float* mseV, _In_ DWORD flags = 0);
HRESULT __cdecl EvaluateImage(
_In_ const Image& image,
_In_ std::function<void __cdecl(_In_reads_(width) const XMVECTOR* pixels, size_t width, size_t y)> pixelFunc);
HRESULT __cdecl EvaluateImage(
_In_reads_(nimages) const Image* images, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ std::function<void __cdecl(_In_reads_(width) const XMVECTOR* pixels, size_t width, size_t y)> pixelFunc);
HRESULT __cdecl TransformImage(
_In_ const Image& image,
_In_ std::function<void __cdecl(_Out_writes_(width) XMVECTOR* outPixels,
_In_reads_(width) const XMVECTOR* inPixels, size_t width, size_t y)> pixelFunc,
ScratchImage& result);
HRESULT __cdecl TransformImage(
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ std::function<void __cdecl(_Out_writes_(width) XMVECTOR* outPixels,
_In_reads_(width) const XMVECTOR* inPixels, size_t width, size_t y)> pixelFunc,
ScratchImage& result);
//---------------------------------------------------------------------------------
// WIC utility code
enum WICCodecs
{
WIC_CODEC_BMP = 1, // Windows Bitmap (.bmp)
WIC_CODEC_JPEG, // Joint Photographic Experts Group (.jpg, .jpeg)
WIC_CODEC_PNG, // Portable Network Graphics (.png)
WIC_CODEC_TIFF, // Tagged Image File Format (.tif, .tiff)
WIC_CODEC_GIF, // Graphics Interchange Format (.gif)
WIC_CODEC_WMP, // Windows Media Photo / HD Photo / JPEG XR (.hdp, .jxr, .wdp)
WIC_CODEC_ICO, // Windows Icon (.ico)
};
REFGUID __cdecl GetWICCodec(_In_ WICCodecs codec);
IWICImagingFactory* __cdecl GetWICFactory(bool& iswic2);
void __cdecl SetWICFactory(_In_opt_ IWICImagingFactory* pWIC);
//---------------------------------------------------------------------------------
// Direct3D 11 functions
#if defined(__d3d11_h__) || defined(__d3d11_x_h__)
bool __cdecl IsSupportedTexture(_In_ ID3D11Device* pDevice, _In_ const TexMetadata& metadata);
HRESULT __cdecl CreateTexture(
_In_ ID3D11Device* pDevice, _In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_Outptr_ ID3D11Resource** ppResource);
HRESULT __cdecl CreateShaderResourceView(
_In_ ID3D11Device* pDevice, _In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_Outptr_ ID3D11ShaderResourceView** ppSRV);
HRESULT __cdecl CreateTextureEx(
_In_ ID3D11Device* pDevice, _In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ D3D11_USAGE usage, _In_ unsigned int bindFlags, _In_ unsigned int cpuAccessFlags, _In_ unsigned int miscFlags, _In_ bool forceSRGB,
_Outptr_ ID3D11Resource** ppResource);
HRESULT __cdecl CreateShaderResourceViewEx(
_In_ ID3D11Device* pDevice, _In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
_In_ D3D11_USAGE usage, _In_ unsigned int bindFlags, _In_ unsigned int cpuAccessFlags, _In_ unsigned int miscFlags, _In_ bool forceSRGB,
_Outptr_ ID3D11ShaderResourceView** ppSRV);
HRESULT __cdecl CaptureTexture(_In_ ID3D11Device* pDevice, _In_ ID3D11DeviceContext* pContext, _In_ ID3D11Resource* pSource, _Out_ ScratchImage& result);
#endif
//---------------------------------------------------------------------------------
// Direct3D 12 functions
#if defined(__d3d12_h__) || defined(__d3d12_x_h__)
bool __cdecl IsSupportedTexture(_In_ ID3D12Device* pDevice, _In_ const TexMetadata& metadata);
HRESULT __cdecl CreateTexture(
_In_ ID3D12Device* pDevice, _In_ const TexMetadata& metadata,
_Outptr_ ID3D12Resource** ppResource);
HRESULT __cdecl CreateTextureEx(
_In_ ID3D12Device* pDevice, _In_ const TexMetadata& metadata,
_In_ D3D12_RESOURCE_FLAGS resFlags, _In_ bool forceSRGB,
_Outptr_ ID3D12Resource** ppResource);
HRESULT __cdecl PrepareUpload(
_In_ ID3D12Device* pDevice,
_In_reads_(nimages) const Image* srcImages, _In_ size_t nimages, _In_ const TexMetadata& metadata,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources);
HRESULT __cdecl CaptureTexture(
_In_ ID3D12CommandQueue* pCommandQueue, _In_ ID3D12Resource* pSource, _In_ bool isCubeMap,
_Out_ ScratchImage& result,
_In_ D3D12_RESOURCE_STATES beforeState = D3D12_RESOURCE_STATE_RENDER_TARGET,
_In_ D3D12_RESOURCE_STATES afterState = D3D12_RESOURCE_STATE_RENDER_TARGET);
#endif
#include "DirectXTex.inl"
} // namespace
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