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DDSTextureLoader.cpp
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//--------------------------------------------------------------------------------------
// 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.
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// http://go.microsoft.com/fwlink/?LinkId=248926
// http://go.microsoft.com/fwlink/?LinkId=248929
//--------------------------------------------------------------------------------------
#include "pch.h"
#include "DDSTextureLoader.h"
#include "dds.h"
#include "DirectXHelpers.h"
#include "PlatformHelpers.h"
#include "LoaderHelpers.h"
using namespace DirectX;
using namespace DirectX::LoaderHelpers;
static_assert(DDS_DIMENSION_TEXTURE1D == D3D11_RESOURCE_DIMENSION_TEXTURE1D, "dds mismatch");
static_assert(DDS_DIMENSION_TEXTURE2D == D3D11_RESOURCE_DIMENSION_TEXTURE2D, "dds mismatch");
static_assert(DDS_DIMENSION_TEXTURE3D == D3D11_RESOURCE_DIMENSION_TEXTURE3D, "dds mismatch");
static_assert(DDS_RESOURCE_MISC_TEXTURECUBE == D3D11_RESOURCE_MISC_TEXTURECUBE, "dds mismatch");
namespace
{
//--------------------------------------------------------------------------------------
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++)
{
GetSurfaceInfo(w,
h,
format,
&NumBytes,
&RowBytes,
nullptr
);
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 = reinterpret_cast<const void*>(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) const 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 & ~D3D11_RESOURCE_MISC_TEXTURECUBE;
ID3D11Texture1D* tex = nullptr;
hr = d3dDevice->CreateTexture1D(&desc,
initData,
&tex
);
if (SUCCEEDED(hr) && tex != 0)
{
if (textureView != 0)
{
D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
SRVDesc.Format = format;
if (arraySize > 1)
{
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE1DARRAY;
SRVDesc.Texture1DArray.MipLevels = (!mipCount) ? -1 : desc.MipLevels;
SRVDesc.Texture1DArray.ArraySize = static_cast<UINT>(arraySize);
}
else
{
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE1D;
SRVDesc.Texture1D.MipLevels = (!mipCount) ? -1 : desc.MipLevels;
}
hr = d3dDevice->CreateShaderResourceView(tex,
&SRVDesc,
textureView
);
if (FAILED(hr))
{
tex->Release();
return hr;
}
}
if (texture != 0)
{
*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 & ~D3D11_RESOURCE_MISC_TEXTURECUBE;
}
ID3D11Texture2D* tex = nullptr;
hr = d3dDevice->CreateTexture2D(&desc,
initData,
&tex
);
if (SUCCEEDED(hr) && tex != 0)
{
if (textureView != 0)
{
D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
SRVDesc.Format = format;
if (isCubeMap)
{
if (arraySize > 6)
{
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURECUBEARRAY;
SRVDesc.TextureCubeArray.MipLevels = (!mipCount) ? -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) ? -1 : desc.MipLevels;
}
}
else if (arraySize > 1)
{
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
SRVDesc.Texture2DArray.MipLevels = (!mipCount) ? -1 : desc.MipLevels;
SRVDesc.Texture2DArray.ArraySize = static_cast<UINT>(arraySize);
}
else
{
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
SRVDesc.Texture2D.MipLevels = (!mipCount) ? -1 : desc.MipLevels;
}
hr = d3dDevice->CreateShaderResourceView(tex,
&SRVDesc,
textureView
);
if (FAILED(hr))
{
tex->Release();
return hr;
}
}
if (texture != 0)
{
*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 & ~D3D11_RESOURCE_MISC_TEXTURECUBE;
ID3D11Texture3D* tex = nullptr;
hr = d3dDevice->CreateTexture3D(&desc,
initData,
&tex
);
if (SUCCEEDED(hr) && tex != 0)
{
if (textureView != 0)
{
D3D11_SHADER_RESOURCE_VIEW_DESC SRVDesc = {};
SRVDesc.Format = format;
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE3D;
SRVDesc.Texture3D.MipLevels = (!mipCount) ? -1 : desc.MipLevels;
hr = d3dDevice->CreateShaderResourceView(tex,
&SRVDesc,
textureView
);
if (FAILED(hr))
{
tex->Release();
return hr;
}
}
if (texture != 0)
{
*texture = tex;
}
else
{
SetDebugObjectName(tex, "DDSTextureLoader");
tex->Release();
}
}
}
break;
}
return hr;
}
//--------------------------------------------------------------------------------------
HRESULT CreateTextureFromDDS(_In_ ID3D11Device* d3dDevice,
_In_opt_ ID3D11DeviceContext* d3dContext,
#if defined(_XBOX_ONE) && defined(_TITLE)
_In_opt_ ID3D11DeviceX* d3dDeviceX,
_In_opt_ ID3D11DeviceContextX* d3dContextX,
#endif
_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*>((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:
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 Direct3D 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 != 0 && textureView != 0) // 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 defined(_XBOX_ONE) && defined(_TITLE)
if (!d3dDeviceX || !d3dContextX)
return E_INVALIDARG;
#endif
}
}
}
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;
GetSurfaceInfo(width, height, format, &numBytes, &rowBytes, nullptr);
if (numBytes > bitSize)
{
(*textureView)->Release();
*textureView = nullptr;
tex->Release();
return HRESULT_FROM_WIN32(ERROR_HANDLE_EOF);
}
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 defined(_XBOX_ONE) && defined(_TITLE)
std::unique_ptr<D3D11_SUBRESOURCE_DATA[]> initData(new (std::nothrow) D3D11_SUBRESOURCE_DATA[arraySize]);
if (!initData)
{
return E_OUTOFMEMORY;
}
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);
}
initData[item].pSysMem = pSrcBits;
initData[item].SysMemPitch = static_cast<UINT>(rowBytes);
initData[item].SysMemSlicePitch = static_cast<UINT>(numBytes);
pSrcBits += numBytes;
}
ID3D11Resource* pStaging = nullptr;
switch (resDim)
{
case D3D11_RESOURCE_DIMENSION_TEXTURE1D:
{
ID3D11Texture1D *temp = nullptr;
CD3D11_TEXTURE1D_DESC stagingDesc(format, width, arraySize, 1, 0, D3D11_USAGE_STAGING, D3D11_CPU_ACCESS_READ);
hr = d3dDevice->CreateTexture1D(&stagingDesc, initData.get(), &temp);
if (SUCCEEDED(hr))
pStaging = temp;
}
break;
case D3D11_RESOURCE_DIMENSION_TEXTURE2D:
{
ID3D11Texture2D *temp = nullptr;
CD3D11_TEXTURE2D_DESC stagingDesc(format, width, height, arraySize, 1, 0, D3D11_USAGE_STAGING, D3D11_CPU_ACCESS_READ, 1, 0, isCubeMap ? D3D11_RESOURCE_MISC_TEXTURECUBE : 0);
hr = d3dDevice->CreateTexture2D(&stagingDesc, initData.get(), &temp);
if (SUCCEEDED(hr))
pStaging = temp;
}
break;
case D3D11_RESOURCE_DIMENSION_TEXTURE3D:
{
ID3D11Texture3D *temp = nullptr;
CD3D11_TEXTURE3D_DESC stagingDesc(format, width, height, depth, 1, 0, D3D11_USAGE_STAGING, D3D11_CPU_ACCESS_READ);
hr = d3dDevice->CreateTexture3D(&stagingDesc, initData.get(), &temp);
if (SUCCEEDED(hr))
pStaging = temp;
}
break;
};
if (SUCCEEDED(hr))
{
for (UINT item = 0; item < arraySize; ++item)
{
UINT res = D3D11CalcSubresource(0, item, mipLevels);
d3dContext->CopySubresourceRegion(tex, res, 0, 0, 0, pStaging, item, nullptr);
}
UINT64 copyFence = d3dContextX->InsertFence(0);
while (d3dDeviceX->IsFencePending(copyFence)) { SwitchToThread(); }
pStaging->Release();
}
#else
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));
}
#endif
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;
}
} // 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, ddsData, ddsDataSize, maxsize,
D3D11_USAGE_DEFAULT, D3D11_BIND_SHADER_RESOURCE, 0, 0, false,
texture, textureView, alphaMode);
}
_Use_decl_annotations_
#if defined(_XBOX_ONE) && defined(_TITLE)
HRESULT DirectX::CreateDDSTextureFromMemory( ID3D11DeviceX* d3dDevice,
ID3D11DeviceContextX* d3dContext,
#else
HRESULT DirectX::CreateDDSTextureFromMemory(ID3D11Device* d3dDevice,
ID3D11DeviceContext* d3dContext,
#endif
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)
{
if (texture)
{
*texture = nullptr;
}
if (textureView)
{
*textureView = nullptr;
}
if (alphaMode)
{
*alphaMode = DDS_ALPHA_MODE_UNKNOWN;
}
if (!d3dDevice || !ddsData || (!texture && !textureView))
{
return E_INVALIDARG;
}
// Validate DDS file in memory
if (ddsDataSize < (sizeof(uint32_t) + sizeof(DDS_HEADER)))
{
return E_FAIL;
}
uint32_t dwMagicNumber = *(const uint32_t*)(ddsData);
if (dwMagicNumber != DDS_MAGIC)
{
return E_FAIL;
}
auto header = reinterpret_cast<const DDS_HEADER*>(ddsData + sizeof(uint32_t));
// Verify header to validate DDS file
if (header->size != sizeof(DDS_HEADER) ||
header->ddspf.size != sizeof(DDS_PIXELFORMAT))
{
return E_FAIL;
}
// Check for DX10 extension
bool bDXT10Header = false;
if ((header->ddspf.flags & DDS_FOURCC) &&
(MAKEFOURCC('D', 'X', '1', '0') == header->ddspf.fourCC))
{
// Must be long enough for both headers and magic value
if (ddsDataSize < (sizeof(DDS_HEADER) + sizeof(uint32_t) + sizeof(DDS_HEADER_DXT10)))
{
return E_FAIL;
}
bDXT10Header = true;
}
ptrdiff_t offset = sizeof(uint32_t)
+ sizeof(DDS_HEADER)
+ (bDXT10Header ? sizeof(DDS_HEADER_DXT10) : 0);
HRESULT hr = CreateTextureFromDDS(d3dDevice, nullptr,
#if defined(_XBOX_ONE) && defined(_TITLE)
nullptr, nullptr,
#endif
header, ddsData + offset, ddsDataSize - offset, maxsize,
usage, bindFlags, cpuAccessFlags, miscFlags, forceSRGB,
texture, textureView);
if (SUCCEEDED(hr))
{
if (texture != 0 && *texture != 0)
{
SetDebugObjectName(*texture, "DDSTextureLoader");
}
if (textureView != 0 && *textureView != 0)
{
SetDebugObjectName(*textureView, "DDSTextureLoader");
}
if (alphaMode)
*alphaMode = GetAlphaMode(header);
}
return hr;
}
_Use_decl_annotations_
#if defined(_XBOX_ONE) && defined(_TITLE)
HRESULT DirectX::CreateDDSTextureFromMemoryEx( ID3D11DeviceX* d3dDevice,
ID3D11DeviceContextX* d3dContext,
#else
HRESULT DirectX::CreateDDSTextureFromMemoryEx(ID3D11Device* d3dDevice,
ID3D11DeviceContext* d3dContext,
#endif
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;
}
// Validate DDS file in memory
if (ddsDataSize < (sizeof(uint32_t) + sizeof(DDS_HEADER)))
{
return E_FAIL;
}
uint32_t dwMagicNumber = *(const uint32_t*)(ddsData);
if (dwMagicNumber != DDS_MAGIC)
{
return E_FAIL;
}
auto header = reinterpret_cast<const DDS_HEADER*>(ddsData + sizeof(uint32_t));
// Verify header to validate DDS file
if (header->size != sizeof(DDS_HEADER) ||
header->ddspf.size != sizeof(DDS_PIXELFORMAT))
{
return E_FAIL;
}
// Check for DX10 extension
bool bDXT10Header = false;
if ((header->ddspf.flags & DDS_FOURCC) &&
(MAKEFOURCC('D', 'X', '1', '0') == header->ddspf.fourCC))
{
// Must be long enough for both headers and magic value