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DDSTextureLoader.h
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DDSTextureLoader.h
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//--------------------------------------------------------------------------------------
// File: DDSTextureLoader.h
//
// Functions for loading a DDS texture and creating a Direct3D runtime resource for it
//
// Note these functions are useful as a light-weight runtime loader for DDS files. For
// a full-featured DDS file reader, writer, and texture processing pipeline see
// the 'Texconv' sample and the 'DirectXTex' library.
//
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
//
// http://go.microsoft.com/fwlink/?LinkID=615561
//--------------------------------------------------------------------------------------
#pragma once
#ifdef _GAMING_XBOX_SCARLETT
#include <d3d12_xs.h>
#elif (defined(_XBOX_ONE) && defined(_TITLE)) || defined(_GAMING_XBOX)
#include <d3d12_x.h>
#elif defined(USING_DIRECTX_HEADERS)
#include <directx/d3d12.h>
#include <dxguids/dxguids.h>
#else
#include <d3d12.h>
#endif
#include <cstddef>
#include <cstdint>
#include <memory>
#include <vector>
namespace DirectX
{
class ResourceUploadBatch;
#ifndef DDS_ALPHA_MODE_DEFINED
#define DDS_ALPHA_MODE_DEFINED
enum DDS_ALPHA_MODE : uint32_t
{
DDS_ALPHA_MODE_UNKNOWN = 0,
DDS_ALPHA_MODE_STRAIGHT = 1,
DDS_ALPHA_MODE_PREMULTIPLIED = 2,
DDS_ALPHA_MODE_OPAQUE = 3,
DDS_ALPHA_MODE_CUSTOM = 4,
};
#endif
inline namespace DX12
{
enum DDS_LOADER_FLAGS : uint32_t
{
DDS_LOADER_DEFAULT = 0,
DDS_LOADER_FORCE_SRGB = 0x1,
DDS_LOADER_IGNORE_SRGB = 0x2,
DDS_LOADER_MIP_AUTOGEN = 0x8,
DDS_LOADER_MIP_RESERVE = 0x10,
DDS_LOADER_IGNORE_MIPS = 0x20,
};
}
// Standard version
HRESULT __cdecl LoadDDSTextureFromMemory(
_In_ ID3D12Device* device,
_In_reads_bytes_(ddsDataSize) const uint8_t* ddsData,
size_t ddsDataSize,
_Outptr_ ID3D12Resource** texture,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
size_t maxsize = 0,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr);
HRESULT __cdecl LoadDDSTextureFromFile(
_In_ ID3D12Device* device,
_In_z_ const wchar_t* szFileName,
_Outptr_ ID3D12Resource** texture,
std::unique_ptr<uint8_t[]>& ddsData,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
size_t maxsize = 0,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr);
// Standard version with resource upload
HRESULT __cdecl CreateDDSTextureFromMemory(
_In_ ID3D12Device* device,
ResourceUploadBatch& resourceUpload,
_In_reads_bytes_(ddsDataSize) const uint8_t* ddsData,
size_t ddsDataSize,
_Outptr_ ID3D12Resource** texture,
bool generateMipsIfMissing = false,
size_t maxsize = 0,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr);
HRESULT __cdecl CreateDDSTextureFromFile(
_In_ ID3D12Device* device,
ResourceUploadBatch& resourceUpload,
_In_z_ const wchar_t* szFileName,
_Outptr_ ID3D12Resource** texture,
bool generateMipsIfMissing = false,
size_t maxsize = 0,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr);
// Extended version
HRESULT __cdecl LoadDDSTextureFromMemoryEx(
_In_ ID3D12Device* device,
_In_reads_bytes_(ddsDataSize) const uint8_t* ddsData,
size_t ddsDataSize,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
_Outptr_ ID3D12Resource** texture,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr);
HRESULT __cdecl LoadDDSTextureFromFileEx(
_In_ ID3D12Device* device,
_In_z_ const wchar_t* szFileName,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
_Outptr_ ID3D12Resource** texture,
std::unique_ptr<uint8_t[]>& ddsData,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr);
// Extended version with resource upload
HRESULT __cdecl CreateDDSTextureFromMemoryEx(
_In_ ID3D12Device* device,
ResourceUploadBatch& resourceUpload,
_In_reads_bytes_(ddsDataSize) const uint8_t* ddsData,
size_t ddsDataSize,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
_Outptr_ ID3D12Resource** texture,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr);
HRESULT __cdecl CreateDDSTextureFromFileEx(
_In_ ID3D12Device* device,
ResourceUploadBatch& resourceUpload,
_In_z_ const wchar_t* szFileName,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
_Outptr_ ID3D12Resource** texture,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr);
#ifdef __cpp_lib_byte
inline HRESULT __cdecl LoadDDSTextureFromMemory(
_In_ ID3D12Device* device,
_In_reads_bytes_(ddsDataSize) const std::byte* ddsData,
size_t ddsDataSize,
_Outptr_ ID3D12Resource** texture,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
size_t maxsize = 0,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr)
{
return LoadDDSTextureFromMemory(device, reinterpret_cast<const uint8_t*>(ddsData), ddsDataSize, texture, subresources, maxsize, alphaMode, isCubeMap);
}
inline HRESULT __cdecl CreateDDSTextureFromMemory(
_In_ ID3D12Device* device,
ResourceUploadBatch& resourceUpload,
_In_reads_bytes_(ddsDataSize) const std::byte* ddsData,
size_t ddsDataSize,
_Outptr_ ID3D12Resource** texture,
bool generateMipsIfMissing = false,
size_t maxsize = 0,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr)
{
return CreateDDSTextureFromMemory(device, resourceUpload, reinterpret_cast<const uint8_t*>(ddsData), ddsDataSize, texture, generateMipsIfMissing, maxsize, alphaMode, isCubeMap);
}
inline HRESULT __cdecl LoadDDSTextureFromMemoryEx(
_In_ ID3D12Device* device,
_In_reads_bytes_(ddsDataSize) const std::byte* ddsData,
size_t ddsDataSize,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
_Outptr_ ID3D12Resource** texture,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr)
{
return LoadDDSTextureFromMemoryEx(device, reinterpret_cast<const uint8_t*>(ddsData), ddsDataSize, maxsize, resFlags, loadFlags, texture, subresources, alphaMode, isCubeMap);
}
inline HRESULT __cdecl CreateDDSTextureFromMemoryEx(
_In_ ID3D12Device* device,
ResourceUploadBatch& resourceUpload,
_In_reads_bytes_(ddsDataSize) const std::byte* ddsData,
size_t ddsDataSize,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
_Outptr_ ID3D12Resource** texture,
_Out_opt_ DDS_ALPHA_MODE* alphaMode = nullptr,
_Out_opt_ bool* isCubeMap = nullptr)
{
return CreateDDSTextureFromMemoryEx(device, resourceUpload, reinterpret_cast<const uint8_t*>(ddsData), ddsDataSize, maxsize, resFlags, loadFlags, texture, alphaMode, isCubeMap);
}
#endif // __cpp_lib_byte
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-dynamic-exception-spec"
#endif
inline namespace DX12
{
DEFINE_ENUM_FLAG_OPERATORS(DDS_LOADER_FLAGS)
}
#ifdef __clang__
#pragma clang diagnostic pop
#endif
}