DirectXTK12/Src/DDSTextureLoader.cpp

1007 строки
30 KiB
C++

//--------------------------------------------------------------------------------------
// File: DDSTextureLoader.cpp
//
// 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. All rights reserved.
// Licensed under the MIT License.
//
// http://go.microsoft.com/fwlink/?LinkID=615561
//--------------------------------------------------------------------------------------
#include "pch.h"
#include "DDSTextureLoader.h"
#include "PlatformHelpers.h"
#include "DDS.h"
#include "DirectXHelpers.h"
#include "LoaderHelpers.h"
#include "ResourceUploadBatch.h"
using namespace DirectX;
using namespace DirectX::LoaderHelpers;
static_assert(static_cast<int>(DDS_DIMENSION_TEXTURE1D) == static_cast<int>(D3D12_RESOURCE_DIMENSION_TEXTURE1D), "dds mismatch");
static_assert(static_cast<int>(DDS_DIMENSION_TEXTURE2D) == static_cast<int>(D3D12_RESOURCE_DIMENSION_TEXTURE2D), "dds mismatch");
static_assert(static_cast<int>(DDS_DIMENSION_TEXTURE3D) == static_cast<int>(D3D12_RESOURCE_DIMENSION_TEXTURE3D), "dds mismatch");
namespace
{
inline bool IsDepthStencil(DXGI_FORMAT fmt) noexcept
{
switch (fmt)
{
case DXGI_FORMAT_R32G8X24_TYPELESS:
case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
case DXGI_FORMAT_D32_FLOAT:
case DXGI_FORMAT_R24G8_TYPELESS:
case DXGI_FORMAT_D24_UNORM_S8_UINT:
case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
case DXGI_FORMAT_D16_UNORM:
#if (defined(_XBOX_ONE) && defined(_TITLE)) || defined(_GAMING_XBOX)
case DXGI_FORMAT_D16_UNORM_S8_UINT:
case DXGI_FORMAT_R16_UNORM_X8_TYPELESS:
case DXGI_FORMAT_X16_TYPELESS_G8_UINT:
#endif
return true;
default:
return false;
}
}
//--------------------------------------------------------------------------------------
inline void AdjustPlaneResource(
_In_ DXGI_FORMAT fmt,
_In_ size_t height,
_In_ size_t slicePlane,
_Inout_ D3D12_SUBRESOURCE_DATA& res) noexcept
{
switch (fmt)
{
case DXGI_FORMAT_NV12:
case DXGI_FORMAT_P010:
case DXGI_FORMAT_P016:
#if (defined(_XBOX_ONE) && defined(_TITLE)) || defined(_GAMING_XBOX)
case DXGI_FORMAT_D16_UNORM_S8_UINT:
case DXGI_FORMAT_R16_UNORM_X8_TYPELESS:
case DXGI_FORMAT_X16_TYPELESS_G8_UINT:
#endif
if (!slicePlane)
{
// Plane 0
res.SlicePitch = res.RowPitch * static_cast<LONG>(height);
}
else
{
// Plane 1
res.pData = static_cast<const uint8_t*>(res.pData) + uintptr_t(res.RowPitch) * height;
res.SlicePitch = res.RowPitch * ((static_cast<LONG>(height) + 1) >> 1);
}
break;
case DXGI_FORMAT_NV11:
if (!slicePlane)
{
// Plane 0
res.SlicePitch = res.RowPitch * static_cast<LONG>(height);
}
else
{
// Plane 1
res.pData = static_cast<const uint8_t*>(res.pData) + uintptr_t(res.RowPitch) * height;
res.RowPitch = (res.RowPitch >> 1);
res.SlicePitch = res.RowPitch * static_cast<LONG>(height);
}
break;
default:
break;
}
}
//--------------------------------------------------------------------------------------
HRESULT FillInitData(_In_ size_t width,
_In_ size_t height,
_In_ size_t depth,
_In_ size_t mipCount,
_In_ size_t arraySize,
_In_ size_t numberOfPlanes,
_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,
std::vector<D3D12_SUBRESOURCE_DATA>& initData)
{
if (!bitData)
{
return E_POINTER;
}
skipMip = 0;
twidth = 0;
theight = 0;
tdepth = 0;
size_t NumBytes = 0;
size_t RowBytes = 0;
const uint8_t* pEndBits = bitData + bitSize;
initData.clear();
for (size_t p = 0; p < numberOfPlanes; ++p)
{
const uint8_t* pSrcBits = bitData;
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;
}
D3D12_SUBRESOURCE_DATA res =
{
pSrcBits,
static_cast<LONG_PTR>(RowBytes),
static_cast<LONG_PTR>(NumBytes)
};
AdjustPlaneResource(format, h, p, res);
initData.emplace_back(res);
}
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 initData.empty() ? E_FAIL : S_OK;
}
//--------------------------------------------------------------------------------------
HRESULT CreateTextureResource(
_In_ ID3D12Device* d3dDevice,
D3D12_RESOURCE_DIMENSION resDim,
size_t width,
size_t height,
size_t depth,
size_t mipCount,
size_t arraySize,
DXGI_FORMAT format,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
_Outptr_ ID3D12Resource** texture) noexcept
{
if (!d3dDevice)
return E_POINTER;
HRESULT hr = E_FAIL;
if (loadFlags & DDS_LOADER_FORCE_SRGB)
{
format = MakeSRGB(format);
}
D3D12_RESOURCE_DESC desc = {};
desc.Width = static_cast<UINT>(width);
desc.Height = static_cast<UINT>(height);
desc.MipLevels = static_cast<UINT16>(mipCount);
desc.DepthOrArraySize = (resDim == D3D12_RESOURCE_DIMENSION_TEXTURE3D) ? static_cast<UINT16>(depth) : static_cast<UINT16>(arraySize);
desc.Format = format;
desc.Flags = resFlags;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Dimension = resDim;
CD3DX12_HEAP_PROPERTIES defaultHeapProperties(D3D12_HEAP_TYPE_DEFAULT);
hr = d3dDevice->CreateCommittedResource(
&defaultHeapProperties,
D3D12_HEAP_FLAG_NONE,
&desc,
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_GRAPHICS_PPV_ARGS(texture));
if (SUCCEEDED(hr))
{
assert(texture != nullptr && *texture != nullptr);
_Analysis_assume_(texture != nullptr && *texture != nullptr);
SetDebugObjectName(*texture, L"DDSTextureLoader");
}
return hr;
}
//--------------------------------------------------------------------------------------
HRESULT CreateTextureFromDDS(_In_ ID3D12Device* d3dDevice,
_In_ const DDS_HEADER* header,
_In_reads_bytes_(bitSize) const uint8_t* bitData,
size_t bitSize,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
_Outptr_ ID3D12Resource** texture,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
_Out_opt_ bool* outIsCubeMap) noexcept(false)
{
HRESULT hr = S_OK;
UINT width = header->width;
UINT height = header->height;
UINT depth = header->depth;
D3D12_RESOURCE_DIMENSION resDim = D3D12_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 char*>(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:
DebugTrace("ERROR: DDSTextureLoader does not support video textures. Consider using DirectXTex instead.\n");
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
default:
if (BitsPerPixel(d3d10ext->dxgiFormat) == 0)
{
DebugTrace("ERROR: Unknown DXGI format (%u)\n", static_cast<uint32_t>(d3d10ext->dxgiFormat));
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
break;
}
format = d3d10ext->dxgiFormat;
switch (d3d10ext->resourceDimension)
{
case D3D12_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 D3D12_RESOURCE_DIMENSION_TEXTURE2D:
if (d3d10ext->miscFlag & 0x4 /* RESOURCE_MISC_TEXTURECUBE */)
{
arraySize *= 6;
isCubeMap = true;
}
depth = 1;
break;
case D3D12_RESOURCE_DIMENSION_TEXTURE3D:
if (!(header->flags & DDS_HEADER_FLAGS_VOLUME))
{
return HRESULT_FROM_WIN32(ERROR_INVALID_DATA);
}
if (arraySize > 1)
{
DebugTrace("ERROR: Volume textures are not texture arrays\n");
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
break;
case D3D12_RESOURCE_DIMENSION_BUFFER:
DebugTrace("ERROR: Resource dimension buffer type not supported for textures\n");
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
case D3D12_RESOURCE_DIMENSION_UNKNOWN:
default:
DebugTrace("ERROR: Unknown resource dimension (%u)\n", static_cast<uint32_t>(d3d10ext->resourceDimension));
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
resDim = static_cast<D3D12_RESOURCE_DIMENSION>(d3d10ext->resourceDimension);
}
else
{
format = GetDXGIFormat(header->ddspf);
if (format == DXGI_FORMAT_UNKNOWN)
{
DebugTrace("ERROR: DDSTextureLoader does not support all legacy DDS formats. Consider using DirectXTex.\n");
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
if (header->flags & DDS_HEADER_FLAGS_VOLUME)
{
resDim = D3D12_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)
{
DebugTrace("ERROR: DirectX 12 does not support partial cubemaps\n");
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
arraySize = 6;
isCubeMap = true;
}
depth = 1;
resDim = D3D12_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 Direct3D hardware requirements)
if (mipCount > D3D12_REQ_MIP_LEVELS)
{
DebugTrace("ERROR: Too many mipmap levels defined for DirectX 12 (%zu).\n", mipCount);
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
switch (resDim)
{
case D3D12_RESOURCE_DIMENSION_TEXTURE1D:
if ((arraySize > D3D12_REQ_TEXTURE1D_ARRAY_AXIS_DIMENSION) ||
(width > D3D12_REQ_TEXTURE1D_U_DIMENSION))
{
DebugTrace("ERROR: Resource dimensions too large for DirectX 12 (1D: array %u, size %u)\n", arraySize, width);
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
break;
case D3D12_RESOURCE_DIMENSION_TEXTURE2D:
if (isCubeMap)
{
// This is the right bound because we set arraySize to (NumCubes*6) above
if ((arraySize > D3D12_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION) ||
(width > D3D12_REQ_TEXTURECUBE_DIMENSION) ||
(height > D3D12_REQ_TEXTURECUBE_DIMENSION))
{
DebugTrace("ERROR: Resource dimensions too large for DirectX 12 (2D cubemap: array %u, size %u by %u)\n", arraySize, width, height);
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
}
else if ((arraySize > D3D12_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION) ||
(width > D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION) ||
(height > D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION))
{
DebugTrace("ERROR: Resource dimensions too large for DirectX 12 (2D: array %u, size %u by %u)\n", arraySize, width, height);
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
break;
case D3D12_RESOURCE_DIMENSION_TEXTURE3D:
if ((arraySize > 1) ||
(width > D3D12_REQ_TEXTURE3D_U_V_OR_W_DIMENSION) ||
(height > D3D12_REQ_TEXTURE3D_U_V_OR_W_DIMENSION) ||
(depth > D3D12_REQ_TEXTURE3D_U_V_OR_W_DIMENSION))
{
DebugTrace("ERROR: Resource dimensions too large for DirectX 12 (3D: array %u, size %u by %u by %u)\n", arraySize, width, height, depth);
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
break;
case D3D12_RESOURCE_DIMENSION_BUFFER:
DebugTrace("ERROR: Resource dimension buffer type not supported for textures\n");
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
default:
DebugTrace("ERROR: Unknown resource dimension (%u)\n", static_cast<uint32_t>(resDim));
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
UINT numberOfPlanes = D3D12GetFormatPlaneCount(d3dDevice, format);
if (!numberOfPlanes)
return E_INVALIDARG;
if ((numberOfPlanes > 1) && IsDepthStencil(format))
{
// DirectX 12 uses planes for stencil, DirectX 11 does not
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
if (outIsCubeMap != nullptr)
{
*outIsCubeMap = isCubeMap;
}
// Create the texture
size_t numberOfResources = (resDim == D3D12_RESOURCE_DIMENSION_TEXTURE3D)
? 1 : arraySize;
numberOfResources *= mipCount;
numberOfResources *= numberOfPlanes;
if (numberOfResources > D3D12_REQ_SUBRESOURCES)
return E_INVALIDARG;
subresources.reserve(numberOfResources);
size_t skipMip = 0;
size_t twidth = 0;
size_t theight = 0;
size_t tdepth = 0;
hr = FillInitData(width, height, depth, mipCount, arraySize,
numberOfPlanes, format,
maxsize, bitSize, bitData,
twidth, theight, tdepth, skipMip, subresources);
if (SUCCEEDED(hr))
{
size_t reservedMips = mipCount;
if (loadFlags & (DDS_LOADER_MIP_AUTOGEN | DDS_LOADER_MIP_RESERVE))
{
reservedMips = std::min<size_t>(D3D12_REQ_MIP_LEVELS,
LoaderHelpers::CountMips(width, height));
}
hr = CreateTextureResource(d3dDevice, resDim, twidth, theight, tdepth, reservedMips - skipMip, arraySize,
format, resFlags, loadFlags, texture);
if (FAILED(hr) && !maxsize && (mipCount > 1))
{
subresources.clear();
maxsize = static_cast<size_t>(
(resDim == D3D12_RESOURCE_DIMENSION_TEXTURE3D)
? D3D12_REQ_TEXTURE3D_U_V_OR_W_DIMENSION
: D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION);
hr = FillInitData(width, height, depth, mipCount, arraySize,
numberOfPlanes, format,
maxsize, bitSize, bitData,
twidth, theight, tdepth, skipMip, subresources);
if (SUCCEEDED(hr))
{
hr = CreateTextureResource(d3dDevice, resDim, twidth, theight, tdepth, mipCount - skipMip, arraySize,
format, resFlags, loadFlags, texture);
}
}
}
if (FAILED(hr))
{
subresources.clear();
}
return hr;
}
//--------------------------------------------------------------------------------------
void SetDebugTextureInfo(
_In_z_ const wchar_t* fileName,
_In_ ID3D12Resource** texture) noexcept
{
#if !defined(NO_D3D12_DEBUG_NAME) && ( defined(_DEBUG) || defined(PROFILE) )
if (texture && *texture)
{
const wchar_t* pstrName = wcsrchr(fileName, '\\');
if (!pstrName)
{
pstrName = fileName;
}
else
{
pstrName++;
}
(*texture)->SetName(pstrName);
}
#else
UNREFERENCED_PARAMETER(fileName);
UNREFERENCED_PARAMETER(texture);
#endif
}
//--------------------------------------------------------------------------------------
DXGI_FORMAT GetPixelFormat(const DDS_HEADER* header) noexcept
{
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 char*>(header) + sizeof(DDS_HEADER));
return d3d10ext->dxgiFormat;
}
else
return GetDXGIFormat(header->ddspf);
}
} // anonymous namespace
//--------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::LoadDDSTextureFromMemory(
ID3D12Device* d3dDevice,
const uint8_t* ddsData,
size_t ddsDataSize,
ID3D12Resource** texture,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
size_t maxsize,
DDS_ALPHA_MODE* alphaMode,
bool* isCubeMap)
{
return LoadDDSTextureFromMemoryEx(
d3dDevice,
ddsData,
ddsDataSize,
maxsize,
D3D12_RESOURCE_FLAG_NONE,
DDS_LOADER_DEFAULT,
texture,
subresources,
alphaMode,
isCubeMap);
}
_Use_decl_annotations_
HRESULT DirectX::LoadDDSTextureFromMemoryEx(
ID3D12Device* d3dDevice,
const uint8_t* ddsData,
size_t ddsDataSize,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
ID3D12Resource** texture,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
DDS_ALPHA_MODE* alphaMode,
bool* isCubeMap)
{
if (texture)
{
*texture = nullptr;
}
if (alphaMode)
{
*alphaMode = DDS_ALPHA_MODE_UNKNOWN;
}
if (isCubeMap)
{
*isCubeMap = false;
}
if (!d3dDevice || !ddsData || !texture)
{
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,
header, bitData, bitSize, maxsize,
resFlags, loadFlags,
texture, subresources, isCubeMap);
if (SUCCEEDED(hr))
{
if (texture && *texture)
{
SetDebugObjectName(*texture, L"DDSTextureLoader");
}
if (alphaMode)
*alphaMode = GetAlphaMode(header);
}
return hr;
}
//--------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::LoadDDSTextureFromFile(
ID3D12Device* d3dDevice,
const wchar_t* fileName,
ID3D12Resource** texture,
std::unique_ptr<uint8_t[]>& ddsData,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
size_t maxsize,
DDS_ALPHA_MODE* alphaMode,
bool* isCubeMap)
{
return LoadDDSTextureFromFileEx(
d3dDevice,
fileName,
maxsize,
D3D12_RESOURCE_FLAG_NONE,
DDS_LOADER_DEFAULT,
texture,
ddsData,
subresources,
alphaMode,
isCubeMap);
}
_Use_decl_annotations_
HRESULT DirectX::LoadDDSTextureFromFileEx(
ID3D12Device* d3dDevice,
const wchar_t* fileName,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
ID3D12Resource** texture,
std::unique_ptr<uint8_t[]>& ddsData,
std::vector<D3D12_SUBRESOURCE_DATA>& subresources,
DDS_ALPHA_MODE* alphaMode,
bool* isCubeMap)
{
if (texture)
{
*texture = nullptr;
}
if (alphaMode)
{
*alphaMode = DDS_ALPHA_MODE_UNKNOWN;
}
if (isCubeMap)
{
*isCubeMap = false;
}
if (!d3dDevice || !fileName || !texture)
{
return E_INVALIDARG;
}
const DDS_HEADER* header = nullptr;
const uint8_t* bitData = nullptr;
size_t bitSize = 0;
HRESULT hr = LoadTextureDataFromFile(fileName,
ddsData,
&header,
&bitData,
&bitSize
);
if (FAILED(hr))
{
return hr;
}
hr = CreateTextureFromDDS(d3dDevice,
header, bitData, bitSize, maxsize,
resFlags, loadFlags,
texture, subresources, isCubeMap);
if (SUCCEEDED(hr))
{
SetDebugTextureInfo(fileName, texture);
if (alphaMode)
*alphaMode = GetAlphaMode(header);
}
return hr;
}
//--------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::CreateDDSTextureFromMemory(
ID3D12Device* d3dDevice,
ResourceUploadBatch& resourceUpload,
const uint8_t* ddsData,
size_t ddsDataSize,
ID3D12Resource** texture,
bool generateMipsIfMissing,
size_t maxsize,
DDS_ALPHA_MODE* alphaMode,
bool* isCubeMap)
{
return CreateDDSTextureFromMemoryEx(
d3dDevice,
resourceUpload,
ddsData,
ddsDataSize,
maxsize,
D3D12_RESOURCE_FLAG_NONE,
generateMipsIfMissing ? DDS_LOADER_MIP_AUTOGEN : DDS_LOADER_DEFAULT,
texture,
alphaMode,
isCubeMap);
}
_Use_decl_annotations_
HRESULT DirectX::CreateDDSTextureFromMemoryEx(
ID3D12Device* d3dDevice,
ResourceUploadBatch& resourceUpload,
const uint8_t* ddsData,
size_t ddsDataSize,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
ID3D12Resource** texture,
DDS_ALPHA_MODE* alphaMode,
bool* isCubeMap)
{
if (texture)
{
*texture = nullptr;
}
if (alphaMode)
{
*alphaMode = DDS_ALPHA_MODE_UNKNOWN;
}
if (isCubeMap)
{
*isCubeMap = false;
}
if (!d3dDevice || !ddsData || !texture)
{
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;
}
if (loadFlags & DDS_LOADER_MIP_AUTOGEN)
{
DXGI_FORMAT fmt = GetPixelFormat(header);
if (!resourceUpload.IsSupportedForGenerateMips(fmt))
{
DebugTrace("WARNING: Autogen of mips ignored (device doesn't support this format (%d) or trying to use a copy queue)\n", static_cast<int>(fmt));
loadFlags &= ~DDS_LOADER_MIP_AUTOGEN;
}
}
std::vector<D3D12_SUBRESOURCE_DATA> subresources;
hr = CreateTextureFromDDS(d3dDevice,
header, bitData, bitSize, maxsize,
resFlags, loadFlags,
texture, subresources, isCubeMap);
if (SUCCEEDED(hr))
{
if (texture && *texture)
{
SetDebugObjectName(*texture, L"DDSTextureLoader");
}
if (alphaMode)
*alphaMode = GetAlphaMode(header);
resourceUpload.Upload(
*texture,
0,
subresources.data(),
static_cast<UINT>(subresources.size()));
resourceUpload.Transition(
*texture,
D3D12_RESOURCE_STATE_COPY_DEST,
D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE);
// If it's missing mips, let's generate them
if ((loadFlags & DDS_LOADER_MIP_AUTOGEN) && subresources.size() != (*texture)->GetDesc().MipLevels)
{
resourceUpload.GenerateMips(*texture);
}
}
return hr;
}
//--------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::CreateDDSTextureFromFile(
ID3D12Device* d3dDevice,
ResourceUploadBatch& resourceUpload,
const wchar_t* fileName,
ID3D12Resource** texture,
bool generateMipsIfMissing,
size_t maxsize,
DDS_ALPHA_MODE* alphaMode,
bool* isCubeMap)
{
return CreateDDSTextureFromFileEx(
d3dDevice,
resourceUpload,
fileName,
maxsize,
D3D12_RESOURCE_FLAG_NONE,
generateMipsIfMissing ? DDS_LOADER_MIP_AUTOGEN : DDS_LOADER_DEFAULT,
texture,
alphaMode,
isCubeMap);
}
_Use_decl_annotations_
HRESULT DirectX::CreateDDSTextureFromFileEx(
ID3D12Device* d3dDevice,
ResourceUploadBatch& resourceUpload,
const wchar_t* fileName,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
DDS_LOADER_FLAGS loadFlags,
ID3D12Resource** texture,
DDS_ALPHA_MODE* alphaMode,
bool* isCubeMap)
{
if (texture)
{
*texture = nullptr;
}
if (alphaMode)
{
*alphaMode = DDS_ALPHA_MODE_UNKNOWN;
}
if (isCubeMap)
{
*isCubeMap = false;
}
if (!d3dDevice || !fileName || !texture)
{
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;
}
if (loadFlags & DDS_LOADER_MIP_AUTOGEN)
{
DXGI_FORMAT fmt = GetPixelFormat(header);
if (!resourceUpload.IsSupportedForGenerateMips(fmt))
{
DebugTrace("WARNING: Autogen of mips ignored (device doesn't support this format (%d) or trying to use a copy queue)\n", static_cast<int>(fmt));
loadFlags &= ~DDS_LOADER_MIP_AUTOGEN;
}
}
std::vector<D3D12_SUBRESOURCE_DATA> subresources;
hr = CreateTextureFromDDS(d3dDevice,
header, bitData, bitSize, maxsize,
resFlags, loadFlags,
texture, subresources, isCubeMap);
if (SUCCEEDED(hr))
{
SetDebugTextureInfo(fileName, texture);
if (alphaMode)
*alphaMode = GetAlphaMode(header);
resourceUpload.Upload(
*texture,
0,
subresources.data(),
static_cast<UINT>(subresources.size()));
resourceUpload.Transition(
*texture,
D3D12_RESOURCE_STATE_COPY_DEST,
D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE);
// If it's missing mips, let's generate them
if ((loadFlags & DDS_LOADER_MIP_AUTOGEN) && subresources.size() != (*texture)->GetDesc().MipLevels)
{
resourceUpload.GenerateMips(*texture);
}
}
return hr;
}