1956 lines
63 KiB
C++
1956 lines
63 KiB
C++
//--------------------------------------------------------------------------------------
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// File: DDSTextureLoader.cpp
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//
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// Functions for loading a DDS texture and creating a Direct3D runtime resource for it
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//
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// Note these functions are useful as a light-weight runtime loader for DDS files. For
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// a full-featured DDS file reader, writer, and texture processing pipeline see
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// the 'Texconv' sample and the 'DirectXTex' library.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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//
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// http://go.microsoft.com/fwlink/?LinkId=248926
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// http://go.microsoft.com/fwlink/?LinkId=248929
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//--------------------------------------------------------------------------------------
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#include "DDSTextureLoader.h"
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#include <assert.h>
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#include <algorithm>
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#include <memory>
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#ifdef __clang__
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#pragma clang diagnostic ignored "-Wcovered-switch-default"
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#pragma clang diagnostic ignored "-Wswitch-enum"
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#endif
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using namespace DirectX;
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//--------------------------------------------------------------------------------------
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// Macros
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//--------------------------------------------------------------------------------------
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#ifndef MAKEFOURCC
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#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
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((uint32_t)(uint8_t)(ch0) | ((uint32_t)(uint8_t)(ch1) << 8) | \
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((uint32_t)(uint8_t)(ch2) << 16) | ((uint32_t)(uint8_t)(ch3) << 24 ))
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#endif /* defined(MAKEFOURCC) */
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//--------------------------------------------------------------------------------------
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// DDS file structure definitions
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//
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// See DDS.h in the 'Texconv' sample and the 'DirectXTex' library
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//--------------------------------------------------------------------------------------
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#pragma pack(push,1)
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const uint32_t DDS_MAGIC = 0x20534444; // "DDS "
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struct DDS_PIXELFORMAT
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{
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uint32_t size;
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uint32_t flags;
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uint32_t fourCC;
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uint32_t RGBBitCount;
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uint32_t RBitMask;
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uint32_t GBitMask;
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uint32_t BBitMask;
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uint32_t ABitMask;
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};
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#define DDS_FOURCC 0x00000004 // DDPF_FOURCC
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#define DDS_RGB 0x00000040 // DDPF_RGB
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#define DDS_LUMINANCE 0x00020000 // DDPF_LUMINANCE
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#define DDS_ALPHA 0x00000002 // DDPF_ALPHA
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#define DDS_BUMPDUDV 0x00080000 // DDPF_BUMPDUDV
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#define DDS_HEADER_FLAGS_VOLUME 0x00800000 // DDSD_DEPTH
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#define DDS_HEIGHT 0x00000002 // DDSD_HEIGHT
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#define DDS_CUBEMAP_POSITIVEX 0x00000600 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEX
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#define DDS_CUBEMAP_NEGATIVEX 0x00000a00 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEX
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#define DDS_CUBEMAP_POSITIVEY 0x00001200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEY
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#define DDS_CUBEMAP_NEGATIVEY 0x00002200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEY
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#define DDS_CUBEMAP_POSITIVEZ 0x00004200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEZ
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#define DDS_CUBEMAP_NEGATIVEZ 0x00008200 // DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEZ
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#define DDS_CUBEMAP_ALLFACES ( DDS_CUBEMAP_POSITIVEX | DDS_CUBEMAP_NEGATIVEX |\
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DDS_CUBEMAP_POSITIVEY | DDS_CUBEMAP_NEGATIVEY |\
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DDS_CUBEMAP_POSITIVEZ | DDS_CUBEMAP_NEGATIVEZ )
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#define DDS_CUBEMAP 0x00000200 // DDSCAPS2_CUBEMAP
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enum DDS_MISC_FLAGS2
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{
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DDS_MISC_FLAGS2_ALPHA_MODE_MASK = 0x7L,
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};
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struct DDS_HEADER
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{
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uint32_t size;
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uint32_t flags;
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uint32_t height;
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uint32_t width;
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uint32_t pitchOrLinearSize;
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uint32_t depth; // only if DDS_HEADER_FLAGS_VOLUME is set in flags
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uint32_t mipMapCount;
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uint32_t reserved1[11];
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DDS_PIXELFORMAT ddspf;
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uint32_t caps;
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uint32_t caps2;
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uint32_t caps3;
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uint32_t caps4;
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uint32_t reserved2;
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};
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struct DDS_HEADER_DXT10
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{
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DXGI_FORMAT dxgiFormat;
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uint32_t resourceDimension;
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uint32_t miscFlag; // see D3D11_RESOURCE_MISC_FLAG
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uint32_t arraySize;
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uint32_t miscFlags2;
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};
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#pragma pack(pop)
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//--------------------------------------------------------------------------------------
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namespace
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{
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struct handle_closer { void operator()(HANDLE h) { if (h) CloseHandle(h); } };
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typedef std::unique_ptr<void, handle_closer> ScopedHandle;
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inline HANDLE safe_handle( HANDLE h ) { return (h == INVALID_HANDLE_VALUE) ? nullptr : h; }
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template<UINT TNameLength>
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inline void SetDebugObjectName(_In_ ID3D11DeviceChild* resource, _In_ const char (&name)[TNameLength])
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{
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#if defined(_DEBUG) || defined(PROFILE)
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resource->SetPrivateData(WKPDID_D3DDebugObjectName, TNameLength - 1, name);
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#else
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UNREFERENCED_PARAMETER(resource);
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UNREFERENCED_PARAMETER(name);
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#endif
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}
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//--------------------------------------------------------------------------------------
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HRESULT LoadTextureDataFromMemory(
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_In_reads_(ddsDataSize) const uint8_t* ddsData,
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size_t ddsDataSize,
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const DDS_HEADER** header,
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const uint8_t** bitData,
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size_t* bitSize)
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{
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if (!header || !bitData || !bitSize)
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{
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return E_POINTER;
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}
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if (ddsDataSize > UINT32_MAX)
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{
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return E_FAIL;
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}
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if (ddsDataSize < (sizeof(uint32_t) + sizeof(DDS_HEADER)))
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{
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return E_FAIL;
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}
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// DDS files always start with the same magic number ("DDS ")
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auto dwMagicNumber = *reinterpret_cast<const uint32_t*>(ddsData);
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if (dwMagicNumber != DDS_MAGIC)
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{
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return E_FAIL;
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}
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auto hdr = reinterpret_cast<const DDS_HEADER*>(ddsData + sizeof(uint32_t));
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// Verify header to validate DDS file
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if (hdr->size != sizeof(DDS_HEADER) ||
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hdr->ddspf.size != sizeof(DDS_PIXELFORMAT))
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{
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return E_FAIL;
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}
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// Check for DX10 extension
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bool bDXT10Header = false;
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if ((hdr->ddspf.flags & DDS_FOURCC) &&
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(MAKEFOURCC('D', 'X', '1', '0') == hdr->ddspf.fourCC))
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{
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// Must be long enough for both headers and magic value
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if (ddsDataSize < (sizeof(DDS_HEADER) + sizeof(uint32_t) + sizeof(DDS_HEADER_DXT10)))
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{
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return E_FAIL;
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}
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bDXT10Header = true;
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}
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// setup the pointers in the process request
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*header = hdr;
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auto offset = sizeof(uint32_t)
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+ sizeof(DDS_HEADER)
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+ (bDXT10Header ? sizeof(DDS_HEADER_DXT10) : 0);
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*bitData = ddsData + offset;
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*bitSize = ddsDataSize - offset;
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return S_OK;
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}
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//--------------------------------------------------------------------------------------
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HRESULT LoadTextureDataFromFile(
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_In_z_ const wchar_t* fileName,
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std::unique_ptr<uint8_t[]>& ddsData,
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const DDS_HEADER** header,
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const uint8_t** bitData,
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size_t* bitSize)
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{
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if (!header || !bitData || !bitSize)
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{
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return E_POINTER;
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}
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// open the file
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#if (_WIN32_WINNT >= _WIN32_WINNT_WIN8)
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ScopedHandle hFile(safe_handle(CreateFile2(fileName,
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GENERIC_READ,
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FILE_SHARE_READ,
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OPEN_EXISTING,
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nullptr)));
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#else
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ScopedHandle hFile(safe_handle(CreateFileW(fileName,
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GENERIC_READ,
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FILE_SHARE_READ,
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nullptr,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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nullptr)));
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#endif
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if (!hFile)
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{
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return HRESULT_FROM_WIN32(GetLastError());
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}
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// Get the file size
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FILE_STANDARD_INFO fileInfo;
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if (!GetFileInformationByHandleEx(hFile.get(), FileStandardInfo, &fileInfo, sizeof(fileInfo)))
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{
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return HRESULT_FROM_WIN32(GetLastError());
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}
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// File is too big for 32-bit allocation, so reject read
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if (fileInfo.EndOfFile.HighPart > 0)
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{
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return E_FAIL;
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}
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// Need at least enough data to fill the header and magic number to be a valid DDS
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if (fileInfo.EndOfFile.LowPart < (sizeof(uint32_t) + sizeof(DDS_HEADER)))
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{
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return E_FAIL;
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}
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// create enough space for the file data
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ddsData.reset(new (std::nothrow) uint8_t[fileInfo.EndOfFile.LowPart]);
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if (!ddsData)
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{
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return E_OUTOFMEMORY;
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}
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// read the data in
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DWORD BytesRead = 0;
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if (!ReadFile(hFile.get(),
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ddsData.get(),
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fileInfo.EndOfFile.LowPart,
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&BytesRead,
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nullptr
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))
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{
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return HRESULT_FROM_WIN32(GetLastError());
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}
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if (BytesRead < fileInfo.EndOfFile.LowPart)
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{
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return E_FAIL;
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}
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// DDS files always start with the same magic number ("DDS ")
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auto dwMagicNumber = *reinterpret_cast<const uint32_t*>(ddsData.get());
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if (dwMagicNumber != DDS_MAGIC)
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{
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return E_FAIL;
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}
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auto hdr = reinterpret_cast<const DDS_HEADER*>(ddsData.get() + sizeof(uint32_t));
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// Verify header to validate DDS file
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if (hdr->size != sizeof(DDS_HEADER) ||
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hdr->ddspf.size != sizeof(DDS_PIXELFORMAT))
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{
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return E_FAIL;
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}
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// Check for DX10 extension
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bool bDXT10Header = false;
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if ((hdr->ddspf.flags & DDS_FOURCC) &&
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(MAKEFOURCC('D', 'X', '1', '0') == hdr->ddspf.fourCC))
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{
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// Must be long enough for both headers and magic value
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if (fileInfo.EndOfFile.LowPart < (sizeof(DDS_HEADER) + sizeof(uint32_t) + sizeof(DDS_HEADER_DXT10)))
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{
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return E_FAIL;
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}
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bDXT10Header = true;
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}
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// setup the pointers in the process request
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*header = hdr;
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auto offset = sizeof(uint32_t) + sizeof(DDS_HEADER)
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+ (bDXT10Header ? sizeof(DDS_HEADER_DXT10) : 0);
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*bitData = ddsData.get() + offset;
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*bitSize = fileInfo.EndOfFile.LowPart - offset;
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return S_OK;
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}
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//--------------------------------------------------------------------------------------
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// Return the BPP for a particular format
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//--------------------------------------------------------------------------------------
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size_t BitsPerPixel(_In_ DXGI_FORMAT fmt)
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{
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switch (fmt)
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{
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case DXGI_FORMAT_R32G32B32A32_TYPELESS:
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case DXGI_FORMAT_R32G32B32A32_FLOAT:
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case DXGI_FORMAT_R32G32B32A32_UINT:
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case DXGI_FORMAT_R32G32B32A32_SINT:
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return 128;
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case DXGI_FORMAT_R32G32B32_TYPELESS:
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case DXGI_FORMAT_R32G32B32_FLOAT:
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case DXGI_FORMAT_R32G32B32_UINT:
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case DXGI_FORMAT_R32G32B32_SINT:
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return 96;
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case DXGI_FORMAT_R16G16B16A16_TYPELESS:
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case DXGI_FORMAT_R16G16B16A16_FLOAT:
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case DXGI_FORMAT_R16G16B16A16_UNORM:
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case DXGI_FORMAT_R16G16B16A16_UINT:
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case DXGI_FORMAT_R16G16B16A16_SNORM:
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case DXGI_FORMAT_R16G16B16A16_SINT:
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case DXGI_FORMAT_R32G32_TYPELESS:
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case DXGI_FORMAT_R32G32_FLOAT:
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case DXGI_FORMAT_R32G32_UINT:
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case DXGI_FORMAT_R32G32_SINT:
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case DXGI_FORMAT_R32G8X24_TYPELESS:
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case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
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case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
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case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
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case DXGI_FORMAT_Y416:
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case DXGI_FORMAT_Y210:
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case DXGI_FORMAT_Y216:
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return 64;
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case DXGI_FORMAT_R10G10B10A2_TYPELESS:
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case DXGI_FORMAT_R10G10B10A2_UNORM:
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case DXGI_FORMAT_R10G10B10A2_UINT:
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case DXGI_FORMAT_R11G11B10_FLOAT:
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case DXGI_FORMAT_R8G8B8A8_TYPELESS:
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case DXGI_FORMAT_R8G8B8A8_UNORM:
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case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
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case DXGI_FORMAT_R8G8B8A8_UINT:
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case DXGI_FORMAT_R8G8B8A8_SNORM:
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case DXGI_FORMAT_R8G8B8A8_SINT:
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case DXGI_FORMAT_R16G16_TYPELESS:
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case DXGI_FORMAT_R16G16_FLOAT:
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case DXGI_FORMAT_R16G16_UNORM:
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case DXGI_FORMAT_R16G16_UINT:
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case DXGI_FORMAT_R16G16_SNORM:
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case DXGI_FORMAT_R16G16_SINT:
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case DXGI_FORMAT_R32_TYPELESS:
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case DXGI_FORMAT_D32_FLOAT:
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case DXGI_FORMAT_R32_FLOAT:
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case DXGI_FORMAT_R32_UINT:
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case DXGI_FORMAT_R32_SINT:
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case DXGI_FORMAT_R24G8_TYPELESS:
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case DXGI_FORMAT_D24_UNORM_S8_UINT:
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case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
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case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
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case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
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case DXGI_FORMAT_R8G8_B8G8_UNORM:
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case DXGI_FORMAT_G8R8_G8B8_UNORM:
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case DXGI_FORMAT_B8G8R8A8_UNORM:
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case DXGI_FORMAT_B8G8R8X8_UNORM:
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case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
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case DXGI_FORMAT_B8G8R8A8_TYPELESS:
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case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
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case DXGI_FORMAT_B8G8R8X8_TYPELESS:
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case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
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case DXGI_FORMAT_AYUV:
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case DXGI_FORMAT_Y410:
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case DXGI_FORMAT_YUY2:
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return 32;
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case DXGI_FORMAT_P010:
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case DXGI_FORMAT_P016:
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return 24;
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case DXGI_FORMAT_R8G8_TYPELESS:
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case DXGI_FORMAT_R8G8_UNORM:
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case DXGI_FORMAT_R8G8_UINT:
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case DXGI_FORMAT_R8G8_SNORM:
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case DXGI_FORMAT_R8G8_SINT:
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case DXGI_FORMAT_R16_TYPELESS:
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case DXGI_FORMAT_R16_FLOAT:
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case DXGI_FORMAT_D16_UNORM:
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case DXGI_FORMAT_R16_UNORM:
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case DXGI_FORMAT_R16_UINT:
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case DXGI_FORMAT_R16_SNORM:
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case DXGI_FORMAT_R16_SINT:
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case DXGI_FORMAT_B5G6R5_UNORM:
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case DXGI_FORMAT_B5G5R5A1_UNORM:
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case DXGI_FORMAT_A8P8:
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case DXGI_FORMAT_B4G4R4A4_UNORM:
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return 16;
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case DXGI_FORMAT_NV12:
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case DXGI_FORMAT_420_OPAQUE:
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case DXGI_FORMAT_NV11:
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return 12;
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case DXGI_FORMAT_R8_TYPELESS:
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case DXGI_FORMAT_R8_UNORM:
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case DXGI_FORMAT_R8_UINT:
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case DXGI_FORMAT_R8_SNORM:
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case DXGI_FORMAT_R8_SINT:
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case DXGI_FORMAT_A8_UNORM:
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case DXGI_FORMAT_AI44:
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case DXGI_FORMAT_IA44:
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case DXGI_FORMAT_P8:
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return 8;
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case DXGI_FORMAT_R1_UNORM:
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return 1;
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case DXGI_FORMAT_BC1_TYPELESS:
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case DXGI_FORMAT_BC1_UNORM:
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case DXGI_FORMAT_BC1_UNORM_SRGB:
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case DXGI_FORMAT_BC4_TYPELESS:
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case DXGI_FORMAT_BC4_UNORM:
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case DXGI_FORMAT_BC4_SNORM:
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return 4;
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case DXGI_FORMAT_BC2_TYPELESS:
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case DXGI_FORMAT_BC2_UNORM:
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case DXGI_FORMAT_BC2_UNORM_SRGB:
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case DXGI_FORMAT_BC3_TYPELESS:
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case DXGI_FORMAT_BC3_UNORM:
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case DXGI_FORMAT_BC3_UNORM_SRGB:
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case DXGI_FORMAT_BC5_TYPELESS:
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case DXGI_FORMAT_BC5_UNORM:
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case DXGI_FORMAT_BC5_SNORM:
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case DXGI_FORMAT_BC6H_TYPELESS:
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case DXGI_FORMAT_BC6H_UF16:
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case DXGI_FORMAT_BC6H_SF16:
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case DXGI_FORMAT_BC7_TYPELESS:
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case DXGI_FORMAT_BC7_UNORM:
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case DXGI_FORMAT_BC7_UNORM_SRGB:
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return 8;
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default:
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return 0;
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}
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}
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//--------------------------------------------------------------------------------------
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// Get surface information for a particular format
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//--------------------------------------------------------------------------------------
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HRESULT GetSurfaceInfo(
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_In_ size_t width,
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_In_ size_t height,
|
|
_In_ DXGI_FORMAT fmt,
|
|
size_t* outNumBytes,
|
|
_Out_opt_ size_t* outRowBytes,
|
|
_Out_opt_ size_t* outNumRows)
|
|
{
|
|
uint64_t numBytes = 0;
|
|
uint64_t rowBytes = 0;
|
|
uint64_t numRows = 0;
|
|
|
|
bool bc = false;
|
|
bool packed = false;
|
|
bool planar = false;
|
|
size_t bpe = 0;
|
|
switch (fmt)
|
|
{
|
|
case DXGI_FORMAT_BC1_TYPELESS:
|
|
case DXGI_FORMAT_BC1_UNORM:
|
|
case DXGI_FORMAT_BC1_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC4_TYPELESS:
|
|
case DXGI_FORMAT_BC4_UNORM:
|
|
case DXGI_FORMAT_BC4_SNORM:
|
|
bc = true;
|
|
bpe = 8;
|
|
break;
|
|
|
|
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_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:
|
|
bc = true;
|
|
bpe = 16;
|
|
break;
|
|
|
|
case DXGI_FORMAT_R8G8_B8G8_UNORM:
|
|
case DXGI_FORMAT_G8R8_G8B8_UNORM:
|
|
case DXGI_FORMAT_YUY2:
|
|
packed = true;
|
|
bpe = 4;
|
|
break;
|
|
|
|
case DXGI_FORMAT_Y210:
|
|
case DXGI_FORMAT_Y216:
|
|
packed = true;
|
|
bpe = 8;
|
|
break;
|
|
|
|
case DXGI_FORMAT_NV12:
|
|
case DXGI_FORMAT_420_OPAQUE:
|
|
planar = true;
|
|
bpe = 2;
|
|
break;
|
|
|
|
case DXGI_FORMAT_P010:
|
|
case DXGI_FORMAT_P016:
|
|
planar = true;
|
|
bpe = 4;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (bc)
|
|
{
|
|
uint64_t numBlocksWide = 0;
|
|
if (width > 0)
|
|
{
|
|
numBlocksWide = std::max<uint64_t>(1u, (uint64_t(width) + 3u) / 4u);
|
|
}
|
|
uint64_t numBlocksHigh = 0;
|
|
if (height > 0)
|
|
{
|
|
numBlocksHigh = std::max<uint64_t>(1u, (uint64_t(height) + 3u) / 4u);
|
|
}
|
|
rowBytes = numBlocksWide * bpe;
|
|
numRows = numBlocksHigh;
|
|
numBytes = rowBytes * numBlocksHigh;
|
|
}
|
|
else if (packed)
|
|
{
|
|
rowBytes = ((uint64_t(width) + 1u) >> 1) * bpe;
|
|
numRows = uint64_t(height);
|
|
numBytes = rowBytes * height;
|
|
}
|
|
else if (fmt == DXGI_FORMAT_NV11)
|
|
{
|
|
rowBytes = ((uint64_t(width) + 3u) >> 2) * 4u;
|
|
numRows = uint64_t(height) * 2u; // Direct3D makes this simplifying assumption, although it is larger than the 4:1:1 data
|
|
numBytes = rowBytes * numRows;
|
|
}
|
|
else if (planar)
|
|
{
|
|
rowBytes = ((uint64_t(width) + 1u) >> 1) * bpe;
|
|
numBytes = (rowBytes * uint64_t(height)) + ((rowBytes * uint64_t(height) + 1u) >> 1);
|
|
numRows = height + ((uint64_t(height) + 1u) >> 1);
|
|
}
|
|
else
|
|
{
|
|
size_t bpp = BitsPerPixel(fmt);
|
|
if (!bpp)
|
|
return E_INVALIDARG;
|
|
|
|
rowBytes = (uint64_t(width) * bpp + 7u) / 8u; // round up to nearest byte
|
|
numRows = uint64_t(height);
|
|
numBytes = rowBytes * height;
|
|
}
|
|
|
|
#if defined(_M_IX86) || defined(_M_ARM) || defined(_M_HYBRID_X86_ARM64)
|
|
static_assert(sizeof(size_t) == 4, "Not a 32-bit platform!");
|
|
if (numBytes > UINT32_MAX || rowBytes > UINT32_MAX || numRows > UINT32_MAX)
|
|
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
|
|
#else
|
|
static_assert(sizeof(size_t) == 8, "Not a 64-bit platform!");
|
|
#endif
|
|
|
|
if (outNumBytes)
|
|
{
|
|
*outNumBytes = static_cast<size_t>(numBytes);
|
|
}
|
|
if (outRowBytes)
|
|
{
|
|
*outRowBytes = static_cast<size_t>(rowBytes);
|
|
}
|
|
if (outNumRows)
|
|
{
|
|
*outNumRows = static_cast<size_t>(numRows);
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
#define ISBITMASK( r,g,b,a ) ( ddpf.RBitMask == r && ddpf.GBitMask == g && ddpf.BBitMask == b && ddpf.ABitMask == a )
|
|
|
|
DXGI_FORMAT GetDXGIFormat(const DDS_PIXELFORMAT& ddpf)
|
|
{
|
|
if (ddpf.flags & DDS_RGB)
|
|
{
|
|
// Note that sRGB formats are written using the "DX10" extended header
|
|
|
|
switch (ddpf.RGBBitCount)
|
|
{
|
|
case 32:
|
|
if (ISBITMASK(0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000))
|
|
{
|
|
return DXGI_FORMAT_R8G8B8A8_UNORM;
|
|
}
|
|
|
|
if (ISBITMASK(0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000))
|
|
{
|
|
return DXGI_FORMAT_B8G8R8A8_UNORM;
|
|
}
|
|
|
|
if (ISBITMASK(0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000))
|
|
{
|
|
return DXGI_FORMAT_B8G8R8X8_UNORM;
|
|
}
|
|
|
|
// No DXGI format maps to ISBITMASK(0x000000ff,0x0000ff00,0x00ff0000,0x00000000) aka D3DFMT_X8B8G8R8
|
|
|
|
// Note that many common DDS reader/writers (including D3DX) swap the
|
|
// the RED/BLUE masks for 10:10:10:2 formats. We assume
|
|
// below that the 'backwards' header mask is being used since it is most
|
|
// likely written by D3DX. The more robust solution is to use the 'DX10'
|
|
// header extension and specify the DXGI_FORMAT_R10G10B10A2_UNORM format directly
|
|
|
|
// For 'correct' writers, this should be 0x000003ff,0x000ffc00,0x3ff00000 for RGB data
|
|
if (ISBITMASK(0x3ff00000, 0x000ffc00, 0x000003ff, 0xc0000000))
|
|
{
|
|
return DXGI_FORMAT_R10G10B10A2_UNORM;
|
|
}
|
|
|
|
// No DXGI format maps to ISBITMASK(0x000003ff,0x000ffc00,0x3ff00000,0xc0000000) aka D3DFMT_A2R10G10B10
|
|
|
|
if (ISBITMASK(0x0000ffff, 0xffff0000, 0x00000000, 0x00000000))
|
|
{
|
|
return DXGI_FORMAT_R16G16_UNORM;
|
|
}
|
|
|
|
if (ISBITMASK(0xffffffff, 0x00000000, 0x00000000, 0x00000000))
|
|
{
|
|
// Only 32-bit color channel format in D3D9 was R32F
|
|
return DXGI_FORMAT_R32_FLOAT; // D3DX writes this out as a FourCC of 114
|
|
}
|
|
break;
|
|
|
|
case 24:
|
|
// No 24bpp DXGI formats aka D3DFMT_R8G8B8
|
|
break;
|
|
|
|
case 16:
|
|
if (ISBITMASK(0x7c00, 0x03e0, 0x001f, 0x8000))
|
|
{
|
|
return DXGI_FORMAT_B5G5R5A1_UNORM;
|
|
}
|
|
if (ISBITMASK(0xf800, 0x07e0, 0x001f, 0x0000))
|
|
{
|
|
return DXGI_FORMAT_B5G6R5_UNORM;
|
|
}
|
|
|
|
// No DXGI format maps to ISBITMASK(0x7c00,0x03e0,0x001f,0x0000) aka D3DFMT_X1R5G5B5
|
|
|
|
if (ISBITMASK(0x0f00, 0x00f0, 0x000f, 0xf000))
|
|
{
|
|
return DXGI_FORMAT_B4G4R4A4_UNORM;
|
|
}
|
|
|
|
// No DXGI format maps to ISBITMASK(0x0f00,0x00f0,0x000f,0x0000) aka D3DFMT_X4R4G4B4
|
|
|
|
// No 3:3:2, 3:3:2:8, or paletted DXGI formats aka D3DFMT_A8R3G3B2, D3DFMT_R3G3B2, D3DFMT_P8, D3DFMT_A8P8, etc.
|
|
break;
|
|
}
|
|
}
|
|
else if (ddpf.flags & DDS_LUMINANCE)
|
|
{
|
|
if (8 == ddpf.RGBBitCount)
|
|
{
|
|
if (ISBITMASK(0x000000ff, 0x00000000, 0x00000000, 0x00000000))
|
|
{
|
|
return DXGI_FORMAT_R8_UNORM; // D3DX10/11 writes this out as DX10 extension
|
|
}
|
|
|
|
// No DXGI format maps to ISBITMASK(0x0f,0x00,0x00,0xf0) aka D3DFMT_A4L4
|
|
|
|
if (ISBITMASK(0x000000ff, 0x00000000, 0x00000000, 0x0000ff00))
|
|
{
|
|
return DXGI_FORMAT_R8G8_UNORM; // Some DDS writers assume the bitcount should be 8 instead of 16
|
|
}
|
|
}
|
|
|
|
if (16 == ddpf.RGBBitCount)
|
|
{
|
|
if (ISBITMASK(0x0000ffff, 0x00000000, 0x00000000, 0x00000000))
|
|
{
|
|
return DXGI_FORMAT_R16_UNORM; // D3DX10/11 writes this out as DX10 extension
|
|
}
|
|
if (ISBITMASK(0x000000ff, 0x00000000, 0x00000000, 0x0000ff00))
|
|
{
|
|
return DXGI_FORMAT_R8G8_UNORM; // D3DX10/11 writes this out as DX10 extension
|
|
}
|
|
}
|
|
}
|
|
else if (ddpf.flags & DDS_ALPHA)
|
|
{
|
|
if (8 == ddpf.RGBBitCount)
|
|
{
|
|
return DXGI_FORMAT_A8_UNORM;
|
|
}
|
|
}
|
|
else if (ddpf.flags & DDS_BUMPDUDV)
|
|
{
|
|
if (16 == ddpf.RGBBitCount)
|
|
{
|
|
if (ISBITMASK(0x00ff, 0xff00, 0x0000, 0x0000))
|
|
{
|
|
return DXGI_FORMAT_R8G8_SNORM; // D3DX10/11 writes this out as DX10 extension
|
|
}
|
|
}
|
|
|
|
if (32 == ddpf.RGBBitCount)
|
|
{
|
|
if (ISBITMASK(0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000))
|
|
{
|
|
return DXGI_FORMAT_R8G8B8A8_SNORM; // D3DX10/11 writes this out as DX10 extension
|
|
}
|
|
if (ISBITMASK(0x0000ffff, 0xffff0000, 0x00000000, 0x00000000))
|
|
{
|
|
return DXGI_FORMAT_R16G16_SNORM; // D3DX10/11 writes this out as DX10 extension
|
|
}
|
|
|
|
// No DXGI format maps to ISBITMASK(0x3ff00000, 0x000ffc00, 0x000003ff, 0xc0000000) aka D3DFMT_A2W10V10U10
|
|
}
|
|
}
|
|
else if (ddpf.flags & DDS_FOURCC)
|
|
{
|
|
if (MAKEFOURCC('D', 'X', 'T', '1') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC1_UNORM;
|
|
}
|
|
if (MAKEFOURCC('D', 'X', 'T', '3') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC2_UNORM;
|
|
}
|
|
if (MAKEFOURCC('D', 'X', 'T', '5') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC3_UNORM;
|
|
}
|
|
|
|
// While pre-multiplied alpha isn't directly supported by the DXGI formats,
|
|
// they are basically the same as these BC formats so they can be mapped
|
|
if (MAKEFOURCC('D', 'X', 'T', '2') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC2_UNORM;
|
|
}
|
|
if (MAKEFOURCC('D', 'X', 'T', '4') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC3_UNORM;
|
|
}
|
|
|
|
if (MAKEFOURCC('A', 'T', 'I', '1') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC4_UNORM;
|
|
}
|
|
if (MAKEFOURCC('B', 'C', '4', 'U') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC4_UNORM;
|
|
}
|
|
if (MAKEFOURCC('B', 'C', '4', 'S') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC4_SNORM;
|
|
}
|
|
|
|
if (MAKEFOURCC('A', 'T', 'I', '2') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC5_UNORM;
|
|
}
|
|
if (MAKEFOURCC('B', 'C', '5', 'U') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC5_UNORM;
|
|
}
|
|
if (MAKEFOURCC('B', 'C', '5', 'S') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_BC5_SNORM;
|
|
}
|
|
|
|
// BC6H and BC7 are written using the "DX10" extended header
|
|
|
|
if (MAKEFOURCC('R', 'G', 'B', 'G') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_R8G8_B8G8_UNORM;
|
|
}
|
|
if (MAKEFOURCC('G', 'R', 'G', 'B') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_G8R8_G8B8_UNORM;
|
|
}
|
|
|
|
if (MAKEFOURCC('Y', 'U', 'Y', '2') == ddpf.fourCC)
|
|
{
|
|
return DXGI_FORMAT_YUY2;
|
|
}
|
|
|
|
// Check for D3DFORMAT enums being set here
|
|
switch (ddpf.fourCC)
|
|
{
|
|
case 36: // D3DFMT_A16B16G16R16
|
|
return DXGI_FORMAT_R16G16B16A16_UNORM;
|
|
|
|
case 110: // D3DFMT_Q16W16V16U16
|
|
return DXGI_FORMAT_R16G16B16A16_SNORM;
|
|
|
|
case 111: // D3DFMT_R16F
|
|
return DXGI_FORMAT_R16_FLOAT;
|
|
|
|
case 112: // D3DFMT_G16R16F
|
|
return DXGI_FORMAT_R16G16_FLOAT;
|
|
|
|
case 113: // D3DFMT_A16B16G16R16F
|
|
return DXGI_FORMAT_R16G16B16A16_FLOAT;
|
|
|
|
case 114: // D3DFMT_R32F
|
|
return DXGI_FORMAT_R32_FLOAT;
|
|
|
|
case 115: // D3DFMT_G32R32F
|
|
return DXGI_FORMAT_R32G32_FLOAT;
|
|
|
|
case 116: // D3DFMT_A32B32G32R32F
|
|
return DXGI_FORMAT_R32G32B32A32_FLOAT;
|
|
}
|
|
}
|
|
|
|
return DXGI_FORMAT_UNKNOWN;
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
DXGI_FORMAT MakeSRGB(_In_ DXGI_FORMAT format)
|
|
{
|
|
switch (format)
|
|
{
|
|
case DXGI_FORMAT_R8G8B8A8_UNORM:
|
|
return DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
|
|
|
|
case DXGI_FORMAT_BC1_UNORM:
|
|
return DXGI_FORMAT_BC1_UNORM_SRGB;
|
|
|
|
case DXGI_FORMAT_BC2_UNORM:
|
|
return DXGI_FORMAT_BC2_UNORM_SRGB;
|
|
|
|
case DXGI_FORMAT_BC3_UNORM:
|
|
return DXGI_FORMAT_BC3_UNORM_SRGB;
|
|
|
|
case DXGI_FORMAT_B8G8R8A8_UNORM:
|
|
return DXGI_FORMAT_B8G8R8A8_UNORM_SRGB;
|
|
|
|
case DXGI_FORMAT_B8G8R8X8_UNORM:
|
|
return DXGI_FORMAT_B8G8R8X8_UNORM_SRGB;
|
|
|
|
case DXGI_FORMAT_BC7_UNORM:
|
|
return DXGI_FORMAT_BC7_UNORM_SRGB;
|
|
|
|
default:
|
|
return format;
|
|
}
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
HRESULT FillInitData(
|
|
_In_ size_t width,
|
|
_In_ size_t height,
|
|
_In_ size_t depth,
|
|
_In_ size_t mipCount,
|
|
_In_ size_t arraySize,
|
|
_In_ DXGI_FORMAT format,
|
|
_In_ size_t maxsize,
|
|
_In_ size_t bitSize,
|
|
_In_reads_bytes_(bitSize) const uint8_t* bitData,
|
|
_Out_ size_t& twidth,
|
|
_Out_ size_t& theight,
|
|
_Out_ size_t& tdepth,
|
|
_Out_ size_t& skipMip,
|
|
_Out_writes_(mipCount*arraySize) D3D11_SUBRESOURCE_DATA* initData)
|
|
{
|
|
if (!bitData || !initData)
|
|
{
|
|
return E_POINTER;
|
|
}
|
|
|
|
skipMip = 0;
|
|
twidth = 0;
|
|
theight = 0;
|
|
tdepth = 0;
|
|
|
|
size_t NumBytes = 0;
|
|
size_t RowBytes = 0;
|
|
const uint8_t* pSrcBits = bitData;
|
|
const uint8_t* pEndBits = bitData + bitSize;
|
|
|
|
size_t index = 0;
|
|
for (size_t j = 0; j < arraySize; j++)
|
|
{
|
|
size_t w = width;
|
|
size_t h = height;
|
|
size_t d = depth;
|
|
for (size_t i = 0; i < mipCount; i++)
|
|
{
|
|
HRESULT hr = GetSurfaceInfo(w, h, format, &NumBytes, &RowBytes, nullptr);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
if (NumBytes > UINT32_MAX || RowBytes > UINT32_MAX)
|
|
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
|
|
|
|
if ((mipCount <= 1) || !maxsize || (w <= maxsize && h <= maxsize && d <= maxsize))
|
|
{
|
|
if (!twidth)
|
|
{
|
|
twidth = w;
|
|
theight = h;
|
|
tdepth = d;
|
|
}
|
|
|
|
assert(index < mipCount * arraySize);
|
|
_Analysis_assume_(index < mipCount * arraySize);
|
|
initData[index].pSysMem = pSrcBits;
|
|
initData[index].SysMemPitch = static_cast<UINT>(RowBytes);
|
|
initData[index].SysMemSlicePitch = static_cast<UINT>(NumBytes);
|
|
++index;
|
|
}
|
|
else if (!j)
|
|
{
|
|
// Count number of skipped mipmaps (first item only)
|
|
++skipMip;
|
|
}
|
|
|
|
if (pSrcBits + (NumBytes*d) > pEndBits)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_HANDLE_EOF);
|
|
}
|
|
|
|
pSrcBits += NumBytes * d;
|
|
|
|
w = w >> 1;
|
|
h = h >> 1;
|
|
d = d >> 1;
|
|
if (w == 0)
|
|
{
|
|
w = 1;
|
|
}
|
|
if (h == 0)
|
|
{
|
|
h = 1;
|
|
}
|
|
if (d == 0)
|
|
{
|
|
d = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return (index > 0) ? S_OK : E_FAIL;
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
HRESULT CreateD3DResources(
|
|
_In_ ID3D11Device* d3dDevice,
|
|
_In_ uint32_t resDim,
|
|
_In_ size_t width,
|
|
_In_ size_t height,
|
|
_In_ size_t depth,
|
|
_In_ size_t mipCount,
|
|
_In_ size_t arraySize,
|
|
_In_ DXGI_FORMAT format,
|
|
_In_ D3D11_USAGE usage,
|
|
_In_ unsigned int bindFlags,
|
|
_In_ unsigned int cpuAccessFlags,
|
|
_In_ unsigned int miscFlags,
|
|
_In_ bool forceSRGB,
|
|
_In_ bool isCubeMap,
|
|
_In_reads_opt_(mipCount*arraySize) D3D11_SUBRESOURCE_DATA* initData,
|
|
_Outptr_opt_ ID3D11Resource** texture,
|
|
_Outptr_opt_ ID3D11ShaderResourceView** textureView)
|
|
{
|
|
if (!d3dDevice)
|
|
return E_POINTER;
|
|
|
|
HRESULT hr = E_FAIL;
|
|
|
|
if (forceSRGB)
|
|
{
|
|
format = MakeSRGB(format);
|
|
}
|
|
|
|
switch (resDim)
|
|
{
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE1D:
|
|
{
|
|
D3D11_TEXTURE1D_DESC desc;
|
|
desc.Width = static_cast<UINT>(width);
|
|
desc.MipLevels = static_cast<UINT>(mipCount);
|
|
desc.ArraySize = static_cast<UINT>(arraySize);
|
|
desc.Format = format;
|
|
desc.Usage = usage;
|
|
desc.BindFlags = bindFlags;
|
|
desc.CPUAccessFlags = cpuAccessFlags;
|
|
desc.MiscFlags = miscFlags & ~static_cast<unsigned int>(D3D11_RESOURCE_MISC_TEXTURECUBE);
|
|
|
|
ID3D11Texture1D* tex = nullptr;
|
|
hr = d3dDevice->CreateTexture1D(&desc,
|
|
initData,
|
|
&tex
|
|
);
|
|
if (SUCCEEDED(hr) && tex)
|
|
{
|
|
if (textureView)
|
|
{
|
|
D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
|
|
SRVDesc.Format = format;
|
|
|
|
if (arraySize > 1)
|
|
{
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE1DARRAY;
|
|
SRVDesc.Texture1DArray.MipLevels = (!mipCount) ? UINT(-1) : desc.MipLevels;
|
|
SRVDesc.Texture1DArray.ArraySize = static_cast<UINT>(arraySize);
|
|
}
|
|
else
|
|
{
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE1D;
|
|
SRVDesc.Texture1D.MipLevels = (!mipCount) ? UINT(-1) : desc.MipLevels;
|
|
}
|
|
|
|
hr = d3dDevice->CreateShaderResourceView(tex,
|
|
&SRVDesc,
|
|
textureView
|
|
);
|
|
if (FAILED(hr))
|
|
{
|
|
tex->Release();
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
if (texture)
|
|
{
|
|
*texture = tex;
|
|
}
|
|
else
|
|
{
|
|
SetDebugObjectName(tex, "DDSTextureLoader");
|
|
tex->Release();
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE2D:
|
|
{
|
|
D3D11_TEXTURE2D_DESC desc;
|
|
desc.Width = static_cast<UINT>(width);
|
|
desc.Height = static_cast<UINT>(height);
|
|
desc.MipLevels = static_cast<UINT>(mipCount);
|
|
desc.ArraySize = static_cast<UINT>(arraySize);
|
|
desc.Format = format;
|
|
desc.SampleDesc.Count = 1;
|
|
desc.SampleDesc.Quality = 0;
|
|
desc.Usage = usage;
|
|
desc.BindFlags = bindFlags;
|
|
desc.CPUAccessFlags = cpuAccessFlags;
|
|
if (isCubeMap)
|
|
{
|
|
desc.MiscFlags = miscFlags | D3D11_RESOURCE_MISC_TEXTURECUBE;
|
|
}
|
|
else
|
|
{
|
|
desc.MiscFlags = miscFlags & ~static_cast<unsigned int>(D3D11_RESOURCE_MISC_TEXTURECUBE);
|
|
}
|
|
|
|
ID3D11Texture2D* tex = nullptr;
|
|
hr = d3dDevice->CreateTexture2D(&desc,
|
|
initData,
|
|
&tex
|
|
);
|
|
if (SUCCEEDED(hr) && tex)
|
|
{
|
|
if (textureView)
|
|
{
|
|
D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
|
|
SRVDesc.Format = format;
|
|
|
|
if (isCubeMap)
|
|
{
|
|
if (arraySize > 6)
|
|
{
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBEARRAY;
|
|
SRVDesc.TextureCubeArray.MipLevels = (!mipCount) ? UINT(-1) : desc.MipLevels;
|
|
|
|
// Earlier we set arraySize to (NumCubes * 6)
|
|
SRVDesc.TextureCubeArray.NumCubes = static_cast<UINT>(arraySize / 6);
|
|
}
|
|
else
|
|
{
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBE;
|
|
SRVDesc.TextureCube.MipLevels = (!mipCount) ? UINT(-1) : desc.MipLevels;
|
|
}
|
|
}
|
|
else if (arraySize > 1)
|
|
{
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
|
|
SRVDesc.Texture2DArray.MipLevels = (!mipCount) ? UINT(-1) : desc.MipLevels;
|
|
SRVDesc.Texture2DArray.ArraySize = static_cast<UINT>(arraySize);
|
|
}
|
|
else
|
|
{
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
|
|
SRVDesc.Texture2D.MipLevels = (!mipCount) ? UINT(-1) : desc.MipLevels;
|
|
}
|
|
|
|
hr = d3dDevice->CreateShaderResourceView(tex,
|
|
&SRVDesc,
|
|
textureView
|
|
);
|
|
if (FAILED(hr))
|
|
{
|
|
tex->Release();
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
if (texture)
|
|
{
|
|
*texture = tex;
|
|
}
|
|
else
|
|
{
|
|
SetDebugObjectName(tex, "DDSTextureLoader");
|
|
tex->Release();
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE3D:
|
|
{
|
|
D3D11_TEXTURE3D_DESC desc;
|
|
desc.Width = static_cast<UINT>(width);
|
|
desc.Height = static_cast<UINT>(height);
|
|
desc.Depth = static_cast<UINT>(depth);
|
|
desc.MipLevels = static_cast<UINT>(mipCount);
|
|
desc.Format = format;
|
|
desc.Usage = usage;
|
|
desc.BindFlags = bindFlags;
|
|
desc.CPUAccessFlags = cpuAccessFlags;
|
|
desc.MiscFlags = miscFlags & ~static_cast<unsigned int>(D3D11_RESOURCE_MISC_TEXTURECUBE);
|
|
|
|
ID3D11Texture3D* tex = nullptr;
|
|
hr = d3dDevice->CreateTexture3D(&desc,
|
|
initData,
|
|
&tex
|
|
);
|
|
if (SUCCEEDED(hr) && tex)
|
|
{
|
|
if (textureView)
|
|
{
|
|
D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
|
|
SRVDesc.Format = format;
|
|
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE3D;
|
|
SRVDesc.Texture3D.MipLevels = (!mipCount) ? UINT(-1) : desc.MipLevels;
|
|
|
|
hr = d3dDevice->CreateShaderResourceView(tex,
|
|
&SRVDesc,
|
|
textureView
|
|
);
|
|
if (FAILED(hr))
|
|
{
|
|
tex->Release();
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
if (texture)
|
|
{
|
|
*texture = tex;
|
|
}
|
|
else
|
|
{
|
|
SetDebugObjectName(tex, "DDSTextureLoader");
|
|
tex->Release();
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
HRESULT CreateTextureFromDDS(
|
|
_In_ ID3D11Device* d3dDevice,
|
|
_In_opt_ ID3D11DeviceContext* d3dContext,
|
|
_In_ const DDS_HEADER* header,
|
|
_In_reads_bytes_(bitSize) const uint8_t* bitData,
|
|
_In_ size_t bitSize,
|
|
_In_ size_t maxsize,
|
|
_In_ D3D11_USAGE usage,
|
|
_In_ unsigned int bindFlags,
|
|
_In_ unsigned int cpuAccessFlags,
|
|
_In_ unsigned int miscFlags,
|
|
_In_ bool forceSRGB,
|
|
_Outptr_opt_ ID3D11Resource** texture,
|
|
_Outptr_opt_ ID3D11ShaderResourceView** textureView)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
UINT width = header->width;
|
|
UINT height = header->height;
|
|
UINT depth = header->depth;
|
|
|
|
uint32_t resDim = D3D11_RESOURCE_DIMENSION_UNKNOWN;
|
|
UINT arraySize = 1;
|
|
DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN;
|
|
bool isCubeMap = false;
|
|
|
|
size_t mipCount = header->mipMapCount;
|
|
if (0 == mipCount)
|
|
{
|
|
mipCount = 1;
|
|
}
|
|
|
|
if ((header->ddspf.flags & DDS_FOURCC) &&
|
|
(MAKEFOURCC('D', 'X', '1', '0') == header->ddspf.fourCC))
|
|
{
|
|
auto d3d10ext = reinterpret_cast<const DDS_HEADER_DXT10*>(reinterpret_cast<const uint8_t*>(header) + sizeof(DDS_HEADER));
|
|
|
|
arraySize = d3d10ext->arraySize;
|
|
if (arraySize == 0)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_INVALID_DATA);
|
|
}
|
|
|
|
switch (d3d10ext->dxgiFormat)
|
|
{
|
|
case DXGI_FORMAT_AI44:
|
|
case DXGI_FORMAT_IA44:
|
|
case DXGI_FORMAT_P8:
|
|
case DXGI_FORMAT_A8P8:
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
|
|
default:
|
|
if (BitsPerPixel(d3d10ext->dxgiFormat) == 0)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
}
|
|
|
|
format = d3d10ext->dxgiFormat;
|
|
|
|
switch (d3d10ext->resourceDimension)
|
|
{
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE1D:
|
|
// D3DX writes 1D textures with a fixed Height of 1
|
|
if ((header->flags & DDS_HEIGHT) && height != 1)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_INVALID_DATA);
|
|
}
|
|
height = depth = 1;
|
|
break;
|
|
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE2D:
|
|
if (d3d10ext->miscFlag & D3D11_RESOURCE_MISC_TEXTURECUBE)
|
|
{
|
|
arraySize *= 6;
|
|
isCubeMap = true;
|
|
}
|
|
depth = 1;
|
|
break;
|
|
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE3D:
|
|
if (!(header->flags & DDS_HEADER_FLAGS_VOLUME))
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_INVALID_DATA);
|
|
}
|
|
|
|
if (arraySize > 1)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
resDim = d3d10ext->resourceDimension;
|
|
}
|
|
else
|
|
{
|
|
format = GetDXGIFormat(header->ddspf);
|
|
|
|
if (format == DXGI_FORMAT_UNKNOWN)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
if (header->flags & DDS_HEADER_FLAGS_VOLUME)
|
|
{
|
|
resDim = D3D11_RESOURCE_DIMENSION_TEXTURE3D;
|
|
}
|
|
else
|
|
{
|
|
if (header->caps2 & DDS_CUBEMAP)
|
|
{
|
|
// We require all six faces to be defined
|
|
if ((header->caps2 & DDS_CUBEMAP_ALLFACES) != DDS_CUBEMAP_ALLFACES)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
arraySize = 6;
|
|
isCubeMap = true;
|
|
}
|
|
|
|
depth = 1;
|
|
resDim = D3D11_RESOURCE_DIMENSION_TEXTURE2D;
|
|
|
|
// Note there's no way for a legacy Direct3D 9 DDS to express a '1D' texture
|
|
}
|
|
|
|
assert(BitsPerPixel(format) != 0);
|
|
}
|
|
|
|
// Bound sizes (for security purposes we don't trust DDS file metadata larger than the D3D 11.x hardware requirements)
|
|
if (mipCount > D3D11_REQ_MIP_LEVELS)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
switch (resDim)
|
|
{
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE1D:
|
|
if ((arraySize > D3D11_REQ_TEXTURE1D_ARRAY_AXIS_DIMENSION) ||
|
|
(width > D3D11_REQ_TEXTURE1D_U_DIMENSION))
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
break;
|
|
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE2D:
|
|
if (isCubeMap)
|
|
{
|
|
// This is the right bound because we set arraySize to (NumCubes*6) above
|
|
if ((arraySize > D3D11_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION) ||
|
|
(width > D3D11_REQ_TEXTURECUBE_DIMENSION) ||
|
|
(height > D3D11_REQ_TEXTURECUBE_DIMENSION))
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
}
|
|
else if ((arraySize > D3D11_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION) ||
|
|
(width > D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION) ||
|
|
(height > D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION))
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
break;
|
|
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE3D:
|
|
if ((arraySize > 1) ||
|
|
(width > D3D11_REQ_TEXTURE3D_U_V_OR_W_DIMENSION) ||
|
|
(height > D3D11_REQ_TEXTURE3D_U_V_OR_W_DIMENSION) ||
|
|
(depth > D3D11_REQ_TEXTURE3D_U_V_OR_W_DIMENSION))
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
bool autogen = false;
|
|
if (mipCount == 1 && d3dContext && textureView) // Must have context and shader-view to auto generate mipmaps
|
|
{
|
|
// See if format is supported for auto-gen mipmaps (varies by feature level)
|
|
UINT fmtSupport = 0;
|
|
hr = d3dDevice->CheckFormatSupport(format, &fmtSupport);
|
|
if (SUCCEEDED(hr) && (fmtSupport & D3D11_FORMAT_SUPPORT_MIP_AUTOGEN))
|
|
{
|
|
// 10level9 feature levels do not support auto-gen mipgen for volume textures
|
|
if ((resDim != D3D11_RESOURCE_DIMENSION_TEXTURE3D)
|
|
|| (d3dDevice->GetFeatureLevel() >= D3D_FEATURE_LEVEL_10_0))
|
|
{
|
|
autogen = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (autogen)
|
|
{
|
|
// Create texture with auto-generated mipmaps
|
|
ID3D11Resource* tex = nullptr;
|
|
hr = CreateD3DResources(d3dDevice,
|
|
resDim, width, height, depth, 0, arraySize,
|
|
format,
|
|
usage,
|
|
bindFlags | D3D11_BIND_RENDER_TARGET,
|
|
cpuAccessFlags,
|
|
miscFlags | D3D11_RESOURCE_MISC_GENERATE_MIPS,
|
|
forceSRGB,
|
|
isCubeMap,
|
|
nullptr,
|
|
&tex, textureView);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
size_t numBytes = 0;
|
|
size_t rowBytes = 0;
|
|
hr = GetSurfaceInfo(width, height, format, &numBytes, &rowBytes, nullptr);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
if (numBytes > bitSize)
|
|
{
|
|
(*textureView)->Release();
|
|
*textureView = nullptr;
|
|
tex->Release();
|
|
return HRESULT_FROM_WIN32(ERROR_HANDLE_EOF);
|
|
}
|
|
|
|
if (numBytes > UINT32_MAX || rowBytes > UINT32_MAX)
|
|
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
|
|
|
|
D3D11_SHADER_RESOURCE_VIEW_DESC desc;
|
|
(*textureView)->GetDesc(&desc);
|
|
|
|
UINT mipLevels = 1;
|
|
|
|
switch (desc.ViewDimension)
|
|
{
|
|
case D3D_SRV_DIMENSION_TEXTURE1D: mipLevels = desc.Texture1D.MipLevels; break;
|
|
case D3D_SRV_DIMENSION_TEXTURE1DARRAY: mipLevels = desc.Texture1DArray.MipLevels; break;
|
|
case D3D_SRV_DIMENSION_TEXTURE2D: mipLevels = desc.Texture2D.MipLevels; break;
|
|
case D3D_SRV_DIMENSION_TEXTURE2DARRAY: mipLevels = desc.Texture2DArray.MipLevels; break;
|
|
case D3D_SRV_DIMENSION_TEXTURECUBE: mipLevels = desc.TextureCube.MipLevels; break;
|
|
case D3D_SRV_DIMENSION_TEXTURECUBEARRAY:mipLevels = desc.TextureCubeArray.MipLevels; break;
|
|
case D3D_SRV_DIMENSION_TEXTURE3D: mipLevels = desc.Texture3D.MipLevels; break;
|
|
default:
|
|
(*textureView)->Release();
|
|
*textureView = nullptr;
|
|
tex->Release();
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
if (arraySize > 1)
|
|
{
|
|
const uint8_t* pSrcBits = bitData;
|
|
const uint8_t* pEndBits = bitData + bitSize;
|
|
for (UINT item = 0; item < arraySize; ++item)
|
|
{
|
|
if ((pSrcBits + numBytes) > pEndBits)
|
|
{
|
|
(*textureView)->Release();
|
|
*textureView = nullptr;
|
|
tex->Release();
|
|
return HRESULT_FROM_WIN32(ERROR_HANDLE_EOF);
|
|
}
|
|
|
|
UINT res = D3D11CalcSubresource(0, item, mipLevels);
|
|
d3dContext->UpdateSubresource(tex, res, nullptr, pSrcBits, static_cast<UINT>(rowBytes), static_cast<UINT>(numBytes));
|
|
pSrcBits += numBytes;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
d3dContext->UpdateSubresource(tex, 0, nullptr, bitData, static_cast<UINT>(rowBytes), static_cast<UINT>(numBytes));
|
|
}
|
|
|
|
d3dContext->GenerateMips(*textureView);
|
|
|
|
if (texture)
|
|
{
|
|
*texture = tex;
|
|
}
|
|
else
|
|
{
|
|
tex->Release();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Create the texture
|
|
std::unique_ptr<D3D11_SUBRESOURCE_DATA[]> initData(new (std::nothrow) D3D11_SUBRESOURCE_DATA[mipCount * arraySize]);
|
|
if (!initData)
|
|
{
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
size_t skipMip = 0;
|
|
size_t twidth = 0;
|
|
size_t theight = 0;
|
|
size_t tdepth = 0;
|
|
hr = FillInitData(width, height, depth, mipCount, arraySize,
|
|
format, maxsize, bitSize, bitData,
|
|
twidth, theight, tdepth, skipMip, initData.get());
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = CreateD3DResources(d3dDevice,
|
|
resDim, twidth, theight, tdepth, mipCount - skipMip, arraySize,
|
|
format,
|
|
usage, bindFlags, cpuAccessFlags, miscFlags,
|
|
forceSRGB,
|
|
isCubeMap,
|
|
initData.get(),
|
|
texture, textureView);
|
|
|
|
if (FAILED(hr) && !maxsize && (mipCount > 1))
|
|
{
|
|
// Retry with a maxsize determined by feature level
|
|
switch (d3dDevice->GetFeatureLevel())
|
|
{
|
|
case D3D_FEATURE_LEVEL_9_1:
|
|
case D3D_FEATURE_LEVEL_9_2:
|
|
if (isCubeMap)
|
|
{
|
|
maxsize = 512 /*D3D_FL9_1_REQ_TEXTURECUBE_DIMENSION*/;
|
|
}
|
|
else
|
|
{
|
|
maxsize = (resDim == D3D11_RESOURCE_DIMENSION_TEXTURE3D)
|
|
? 256 /*D3D_FL9_1_REQ_TEXTURE3D_U_V_OR_W_DIMENSION*/
|
|
: 2048 /*D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION*/;
|
|
}
|
|
break;
|
|
|
|
case D3D_FEATURE_LEVEL_9_3:
|
|
maxsize = (resDim == D3D11_RESOURCE_DIMENSION_TEXTURE3D)
|
|
? 256 /*D3D_FL9_1_REQ_TEXTURE3D_U_V_OR_W_DIMENSION*/
|
|
: 4096 /*D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION*/;
|
|
break;
|
|
|
|
default: // D3D_FEATURE_LEVEL_10_0 & D3D_FEATURE_LEVEL_10_1
|
|
maxsize = (resDim == D3D11_RESOURCE_DIMENSION_TEXTURE3D)
|
|
? 2048 /*D3D10_REQ_TEXTURE3D_U_V_OR_W_DIMENSION*/
|
|
: 8192 /*D3D10_REQ_TEXTURE2D_U_OR_V_DIMENSION*/;
|
|
break;
|
|
}
|
|
|
|
hr = FillInitData(width, height, depth, mipCount, arraySize, format, maxsize, bitSize, bitData,
|
|
twidth, theight, tdepth, skipMip, initData.get());
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = CreateD3DResources(d3dDevice,
|
|
resDim, twidth, theight, tdepth, mipCount - skipMip, arraySize,
|
|
format,
|
|
usage, bindFlags, cpuAccessFlags, miscFlags,
|
|
forceSRGB,
|
|
isCubeMap,
|
|
initData.get(),
|
|
texture, textureView);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
DDS_ALPHA_MODE GetAlphaMode(_In_ const DDS_HEADER* header)
|
|
{
|
|
if (header->ddspf.flags & DDS_FOURCC)
|
|
{
|
|
if (MAKEFOURCC('D', 'X', '1', '0') == header->ddspf.fourCC)
|
|
{
|
|
auto d3d10ext = reinterpret_cast<const DDS_HEADER_DXT10*>(reinterpret_cast<const uint8_t*>(header) + sizeof(DDS_HEADER));
|
|
auto mode = static_cast<DDS_ALPHA_MODE>(d3d10ext->miscFlags2 & DDS_MISC_FLAGS2_ALPHA_MODE_MASK);
|
|
switch (mode)
|
|
{
|
|
case DDS_ALPHA_MODE_STRAIGHT:
|
|
case DDS_ALPHA_MODE_PREMULTIPLIED:
|
|
case DDS_ALPHA_MODE_OPAQUE:
|
|
case DDS_ALPHA_MODE_CUSTOM:
|
|
return mode;
|
|
|
|
case DDS_ALPHA_MODE_UNKNOWN:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if ((MAKEFOURCC('D', 'X', 'T', '2') == header->ddspf.fourCC)
|
|
|| (MAKEFOURCC('D', 'X', 'T', '4') == header->ddspf.fourCC))
|
|
{
|
|
return DDS_ALPHA_MODE_PREMULTIPLIED;
|
|
}
|
|
}
|
|
|
|
return DDS_ALPHA_MODE_UNKNOWN;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
void SetDebugTextureInfo(
|
|
_In_z_ const wchar_t* fileName,
|
|
_In_opt_ ID3D11Resource** texture,
|
|
_In_opt_ ID3D11ShaderResourceView** textureView)
|
|
{
|
|
#if !defined(NO_D3D11_DEBUG_NAME) && ( defined(_DEBUG) || defined(PROFILE) )
|
|
if (texture || textureView)
|
|
{
|
|
CHAR strFileA[MAX_PATH];
|
|
int result = WideCharToMultiByte(CP_UTF8,
|
|
WC_NO_BEST_FIT_CHARS,
|
|
fileName,
|
|
-1,
|
|
strFileA,
|
|
MAX_PATH,
|
|
nullptr,
|
|
nullptr
|
|
);
|
|
if (result > 0)
|
|
{
|
|
const char* pstrName = strrchr(strFileA, '\\');
|
|
if (!pstrName)
|
|
{
|
|
pstrName = strFileA;
|
|
}
|
|
else
|
|
{
|
|
pstrName++;
|
|
}
|
|
|
|
if (texture && *texture)
|
|
{
|
|
(*texture)->SetPrivateData(WKPDID_D3DDebugObjectName,
|
|
static_cast<UINT>(strnlen_s(pstrName, MAX_PATH)),
|
|
pstrName
|
|
);
|
|
}
|
|
|
|
if (textureView && *textureView)
|
|
{
|
|
(*textureView)->SetPrivateData(WKPDID_D3DDebugObjectName,
|
|
static_cast<UINT>(strnlen_s(pstrName, MAX_PATH)),
|
|
pstrName
|
|
);
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
UNREFERENCED_PARAMETER(fileName);
|
|
UNREFERENCED_PARAMETER(texture);
|
|
UNREFERENCED_PARAMETER(textureView);
|
|
#endif
|
|
}
|
|
} // anonymous namespace
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::CreateDDSTextureFromMemory(
|
|
ID3D11Device* d3dDevice,
|
|
const uint8_t* ddsData,
|
|
size_t ddsDataSize,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
size_t maxsize,
|
|
DDS_ALPHA_MODE* alphaMode)
|
|
{
|
|
return CreateDDSTextureFromMemoryEx(d3dDevice, nullptr,
|
|
ddsData, ddsDataSize,
|
|
maxsize,
|
|
D3D11_USAGE_DEFAULT, D3D11_BIND_SHADER_RESOURCE, 0, 0,
|
|
false,
|
|
texture, textureView, alphaMode);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::CreateDDSTextureFromMemory(
|
|
ID3D11Device* d3dDevice,
|
|
ID3D11DeviceContext* d3dContext,
|
|
const uint8_t* ddsData,
|
|
size_t ddsDataSize,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
size_t maxsize,
|
|
DDS_ALPHA_MODE* alphaMode)
|
|
{
|
|
return CreateDDSTextureFromMemoryEx(d3dDevice, d3dContext,
|
|
ddsData, ddsDataSize,
|
|
maxsize,
|
|
D3D11_USAGE_DEFAULT, D3D11_BIND_SHADER_RESOURCE, 0, 0,
|
|
false,
|
|
texture, textureView, alphaMode);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::CreateDDSTextureFromMemoryEx(
|
|
ID3D11Device* d3dDevice,
|
|
const uint8_t* ddsData,
|
|
size_t ddsDataSize,
|
|
size_t maxsize,
|
|
D3D11_USAGE usage,
|
|
unsigned int bindFlags,
|
|
unsigned int cpuAccessFlags,
|
|
unsigned int miscFlags,
|
|
bool forceSRGB,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
DDS_ALPHA_MODE* alphaMode)
|
|
{
|
|
return CreateDDSTextureFromMemoryEx(d3dDevice, nullptr,
|
|
ddsData, ddsDataSize,
|
|
maxsize,
|
|
usage, bindFlags, cpuAccessFlags, miscFlags,
|
|
forceSRGB,
|
|
texture, textureView, alphaMode);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::CreateDDSTextureFromMemoryEx(
|
|
ID3D11Device* d3dDevice,
|
|
ID3D11DeviceContext* d3dContext,
|
|
const uint8_t* ddsData,
|
|
size_t ddsDataSize,
|
|
size_t maxsize,
|
|
D3D11_USAGE usage,
|
|
unsigned int bindFlags,
|
|
unsigned int cpuAccessFlags,
|
|
unsigned int miscFlags,
|
|
bool forceSRGB,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
DDS_ALPHA_MODE* alphaMode)
|
|
{
|
|
if (texture)
|
|
{
|
|
*texture = nullptr;
|
|
}
|
|
if (textureView)
|
|
{
|
|
*textureView = nullptr;
|
|
}
|
|
if (alphaMode)
|
|
{
|
|
*alphaMode = DDS_ALPHA_MODE_UNKNOWN;
|
|
}
|
|
|
|
if (!d3dDevice || !ddsData || (!texture && !textureView))
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
if (textureView && !(bindFlags & D3D11_BIND_SHADER_RESOURCE))
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
// Validate DDS file in memory
|
|
const DDS_HEADER* header = nullptr;
|
|
const uint8_t* bitData = nullptr;
|
|
size_t bitSize = 0;
|
|
|
|
HRESULT hr = LoadTextureDataFromMemory(ddsData, ddsDataSize,
|
|
&header,
|
|
&bitData,
|
|
&bitSize
|
|
);
|
|
if (FAILED(hr))
|
|
{
|
|
return hr;
|
|
}
|
|
|
|
hr = CreateTextureFromDDS(d3dDevice, d3dContext,
|
|
header, bitData, bitSize,
|
|
maxsize,
|
|
usage, bindFlags, cpuAccessFlags, miscFlags,
|
|
forceSRGB,
|
|
texture, textureView);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (texture && *texture)
|
|
{
|
|
SetDebugObjectName(*texture, "DDSTextureLoader");
|
|
}
|
|
|
|
if (textureView && *textureView)
|
|
{
|
|
SetDebugObjectName(*textureView, "DDSTextureLoader");
|
|
}
|
|
|
|
if (alphaMode)
|
|
*alphaMode = GetAlphaMode(header);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::CreateDDSTextureFromFile(
|
|
ID3D11Device* d3dDevice,
|
|
const wchar_t* fileName,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
size_t maxsize,
|
|
DDS_ALPHA_MODE* alphaMode)
|
|
{
|
|
return CreateDDSTextureFromFileEx(d3dDevice, nullptr,
|
|
fileName, maxsize,
|
|
D3D11_USAGE_DEFAULT, D3D11_BIND_SHADER_RESOURCE, 0, 0,
|
|
false,
|
|
texture, textureView, alphaMode);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::CreateDDSTextureFromFile(
|
|
ID3D11Device* d3dDevice,
|
|
ID3D11DeviceContext* d3dContext,
|
|
const wchar_t* fileName,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
size_t maxsize,
|
|
DDS_ALPHA_MODE* alphaMode)
|
|
{
|
|
return CreateDDSTextureFromFileEx(d3dDevice, d3dContext,
|
|
fileName,
|
|
maxsize,
|
|
D3D11_USAGE_DEFAULT, D3D11_BIND_SHADER_RESOURCE, 0, 0,
|
|
false,
|
|
texture, textureView, alphaMode);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::CreateDDSTextureFromFileEx(
|
|
ID3D11Device* d3dDevice,
|
|
const wchar_t* fileName,
|
|
size_t maxsize,
|
|
D3D11_USAGE usage,
|
|
unsigned int bindFlags,
|
|
unsigned int cpuAccessFlags,
|
|
unsigned int miscFlags,
|
|
bool forceSRGB,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
DDS_ALPHA_MODE* alphaMode)
|
|
{
|
|
return CreateDDSTextureFromFileEx(d3dDevice, nullptr,
|
|
fileName,
|
|
maxsize,
|
|
usage, bindFlags, cpuAccessFlags, miscFlags,
|
|
forceSRGB,
|
|
texture, textureView, alphaMode);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::CreateDDSTextureFromFileEx(
|
|
ID3D11Device* d3dDevice,
|
|
ID3D11DeviceContext* d3dContext,
|
|
const wchar_t* fileName,
|
|
size_t maxsize,
|
|
D3D11_USAGE usage,
|
|
unsigned int bindFlags,
|
|
unsigned int cpuAccessFlags,
|
|
unsigned int miscFlags,
|
|
bool forceSRGB,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
DDS_ALPHA_MODE* alphaMode)
|
|
{
|
|
if (texture)
|
|
{
|
|
*texture = nullptr;
|
|
}
|
|
if (textureView)
|
|
{
|
|
*textureView = nullptr;
|
|
}
|
|
if (alphaMode)
|
|
{
|
|
*alphaMode = DDS_ALPHA_MODE_UNKNOWN;
|
|
}
|
|
|
|
if (!d3dDevice || !fileName || (!texture && !textureView))
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
if (textureView && !(bindFlags & D3D11_BIND_SHADER_RESOURCE))
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
const DDS_HEADER* header = nullptr;
|
|
const uint8_t* bitData = nullptr;
|
|
size_t bitSize = 0;
|
|
|
|
std::unique_ptr<uint8_t[]> ddsData;
|
|
HRESULT hr = LoadTextureDataFromFile(fileName,
|
|
ddsData,
|
|
&header,
|
|
&bitData,
|
|
&bitSize
|
|
);
|
|
if (FAILED(hr))
|
|
{
|
|
return hr;
|
|
}
|
|
|
|
hr = CreateTextureFromDDS(d3dDevice, d3dContext,
|
|
header, bitData, bitSize,
|
|
maxsize,
|
|
usage, bindFlags, cpuAccessFlags, miscFlags,
|
|
forceSRGB,
|
|
texture, textureView);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
SetDebugTextureInfo(fileName, texture, textureView);
|
|
|
|
if (alphaMode)
|
|
*alphaMode = GetAlphaMode(header);
|
|
}
|
|
|
|
return hr;
|
|
}
|