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86a0750869
crossxtex/WICTextureLoader/WICTextureLoader12.cpp
Chuck Walbourn 86a0750869 Fix references to d3dx12
2018-01-16 15:05:51 -08:00

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//--------------------------------------------------------------------------------------
// File: WICTextureLoader12.cpp
//
// Function for loading a WIC image and creating a Direct3D 12 runtime texture for it
// (auto-generating mipmaps if possible)
//
// Note: Assumes application has already called CoInitializeEx
//
// Note these functions are useful for images created as simple 2D textures. For
// more complex resources, DDSTextureLoader is an excellent light-weight runtime loader.
// 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=615561
//--------------------------------------------------------------------------------------
// We could load multi-frame images (TIFF/GIF) into a texture array.
// For now, we just load the first frame (note: DirectXTex supports multi-frame images)
#include "WICTextureLoader12.h"
#include <assert.h>
#include <algorithm>
#include <wincodec.h>
#include <wrl\client.h>
#include "d3dx12.h"
using namespace DirectX;
using Microsoft::WRL::ComPtr;
namespace
{
//-------------------------------------------------------------------------------------
// WIC Pixel Format Translation Data
//-------------------------------------------------------------------------------------
struct WICTranslate
{
GUID wic;
DXGI_FORMAT format;
};
const WICTranslate g_WICFormats[] =
{
{ GUID_WICPixelFormat128bppRGBAFloat, DXGI_FORMAT_R32G32B32A32_FLOAT },
{ GUID_WICPixelFormat64bppRGBAHalf, DXGI_FORMAT_R16G16B16A16_FLOAT },
{ GUID_WICPixelFormat64bppRGBA, DXGI_FORMAT_R16G16B16A16_UNORM },
{ GUID_WICPixelFormat32bppRGBA, DXGI_FORMAT_R8G8B8A8_UNORM },
{ GUID_WICPixelFormat32bppBGRA, DXGI_FORMAT_B8G8R8A8_UNORM },
{ GUID_WICPixelFormat32bppBGR, DXGI_FORMAT_B8G8R8X8_UNORM },
{ GUID_WICPixelFormat32bppRGBA1010102XR, DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM },
{ GUID_WICPixelFormat32bppRGBA1010102, DXGI_FORMAT_R10G10B10A2_UNORM },
{ GUID_WICPixelFormat16bppBGRA5551, DXGI_FORMAT_B5G5R5A1_UNORM },
{ GUID_WICPixelFormat16bppBGR565, DXGI_FORMAT_B5G6R5_UNORM },
{ GUID_WICPixelFormat32bppGrayFloat, DXGI_FORMAT_R32_FLOAT },
{ GUID_WICPixelFormat16bppGrayHalf, DXGI_FORMAT_R16_FLOAT },
{ GUID_WICPixelFormat16bppGray, DXGI_FORMAT_R16_UNORM },
{ GUID_WICPixelFormat8bppGray, DXGI_FORMAT_R8_UNORM },
{ GUID_WICPixelFormat8bppAlpha, DXGI_FORMAT_A8_UNORM },
{ GUID_WICPixelFormat96bppRGBFloat, DXGI_FORMAT_R32G32B32_FLOAT },
};
//-------------------------------------------------------------------------------------
// WIC Pixel Format nearest conversion table
//-------------------------------------------------------------------------------------
struct WICConvert
{
GUID source;
GUID target;
};
const WICConvert g_WICConvert[] =
{
// Note target GUID in this conversion table must be one of those directly supported formats (above).
{ GUID_WICPixelFormatBlackWhite, GUID_WICPixelFormat8bppGray }, // DXGI_FORMAT_R8_UNORM
{ GUID_WICPixelFormat1bppIndexed, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat2bppIndexed, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat4bppIndexed, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat8bppIndexed, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat2bppGray, GUID_WICPixelFormat8bppGray }, // DXGI_FORMAT_R8_UNORM
{ GUID_WICPixelFormat4bppGray, GUID_WICPixelFormat8bppGray }, // DXGI_FORMAT_R8_UNORM
{ GUID_WICPixelFormat16bppGrayFixedPoint, GUID_WICPixelFormat16bppGrayHalf }, // DXGI_FORMAT_R16_FLOAT
{ GUID_WICPixelFormat32bppGrayFixedPoint, GUID_WICPixelFormat32bppGrayFloat }, // DXGI_FORMAT_R32_FLOAT
{ GUID_WICPixelFormat16bppBGR555, GUID_WICPixelFormat16bppBGRA5551 }, // DXGI_FORMAT_B5G5R5A1_UNORM
{ GUID_WICPixelFormat32bppBGR101010, GUID_WICPixelFormat32bppRGBA1010102 }, // DXGI_FORMAT_R10G10B10A2_UNORM
{ GUID_WICPixelFormat24bppBGR, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat24bppRGB, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat32bppPBGRA, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat32bppPRGBA, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat48bppRGB, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat48bppBGR, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat64bppBGRA, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat64bppPRGBA, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat64bppPBGRA, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat48bppRGBFixedPoint, GUID_WICPixelFormat64bppRGBAHalf }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat48bppBGRFixedPoint, GUID_WICPixelFormat64bppRGBAHalf }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat64bppRGBAFixedPoint, GUID_WICPixelFormat64bppRGBAHalf }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat64bppBGRAFixedPoint, GUID_WICPixelFormat64bppRGBAHalf }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat64bppRGBFixedPoint, GUID_WICPixelFormat64bppRGBAHalf }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat64bppRGBHalf, GUID_WICPixelFormat64bppRGBAHalf }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat48bppRGBHalf, GUID_WICPixelFormat64bppRGBAHalf }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat128bppPRGBAFloat, GUID_WICPixelFormat128bppRGBAFloat }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat128bppRGBFloat, GUID_WICPixelFormat128bppRGBAFloat }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat128bppRGBAFixedPoint, GUID_WICPixelFormat128bppRGBAFloat }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat128bppRGBFixedPoint, GUID_WICPixelFormat128bppRGBAFloat }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat32bppRGBE, GUID_WICPixelFormat128bppRGBAFloat }, // DXGI_FORMAT_R32G32B32A32_FLOAT
{ GUID_WICPixelFormat32bppCMYK, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat64bppCMYK, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat40bppCMYKAlpha, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat80bppCMYKAlpha, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat32bppRGB, GUID_WICPixelFormat32bppRGBA }, // DXGI_FORMAT_R8G8B8A8_UNORM
{ GUID_WICPixelFormat64bppRGB, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat64bppPRGBAHalf, GUID_WICPixelFormat64bppRGBAHalf }, // DXGI_FORMAT_R16G16B16A16_FLOAT
{ GUID_WICPixelFormat96bppRGBFixedPoint, GUID_WICPixelFormat96bppRGBFloat }, // DXGI_FORMAT_R32G32B32_FLOAT
// We don't support n-channel formats
};
IWICImagingFactory2* _GetWIC()
{
static INIT_ONCE s_initOnce = INIT_ONCE_STATIC_INIT;
IWICImagingFactory2* factory = nullptr;
(void)InitOnceExecuteOnce(&s_initOnce,
[](PINIT_ONCE, PVOID, PVOID *factory) -> BOOL
{
return SUCCEEDED( CoCreateInstance(
CLSID_WICImagingFactory2,
nullptr,
CLSCTX_INPROC_SERVER,
__uuidof(IWICImagingFactory2),
factory) ) ? TRUE : FALSE;
}, nullptr, reinterpret_cast<LPVOID*>(&factory));
return factory;
}
//---------------------------------------------------------------------------------
template<UINT TNameLength>
inline void SetDebugObjectName(_In_ ID3D12DeviceChild* resource, _In_z_ const wchar_t(&name)[TNameLength])
{
#if !defined(NO_D3D12_DEBUG_NAME) && ( defined(_DEBUG) || defined(PROFILE) )
resource->SetName(name);
#else
UNREFERENCED_PARAMETER(resource);
UNREFERENCED_PARAMETER(name);
#endif
}
inline uint32_t CountMips(uint32_t width, uint32_t height)
{
if (width == 0 || height == 0)
return 0;
uint32_t count = 1;
while (width > 1 || height > 1)
{
width >>= 1;
height >>= 1;
count++;
}
return count;
}
//--------------------------------------------------------------------------------------
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;
}
}
//---------------------------------------------------------------------------------
DXGI_FORMAT _WICToDXGI(const GUID& guid)
{
for (size_t i = 0; i < _countof(g_WICFormats); ++i)
{
if (memcmp(&g_WICFormats[i].wic, &guid, sizeof(GUID)) == 0)
return g_WICFormats[i].format;
}
return DXGI_FORMAT_UNKNOWN;
}
//---------------------------------------------------------------------------------
size_t _WICBitsPerPixel(REFGUID targetGuid)
{
auto pWIC = _GetWIC();
if (!pWIC)
return 0;
ComPtr<IWICComponentInfo> cinfo;
if (FAILED(pWIC->CreateComponentInfo(targetGuid, cinfo.GetAddressOf())))
return 0;
WICComponentType type;
if (FAILED(cinfo->GetComponentType(&type)))
return 0;
if (type != WICPixelFormat)
return 0;
ComPtr<IWICPixelFormatInfo> pfinfo;
if (FAILED(cinfo.As(&pfinfo)))
return 0;
UINT bpp;
if (FAILED(pfinfo->GetBitsPerPixel(&bpp)))
return 0;
return bpp;
}
//---------------------------------------------------------------------------------
HRESULT CreateTextureFromWIC(_In_ ID3D12Device* d3dDevice,
_In_ IWICBitmapFrameDecode *frame,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
unsigned int loadFlags,
_Outptr_ ID3D12Resource** texture,
std::unique_ptr<uint8_t[]>& decodedData,
D3D12_SUBRESOURCE_DATA& subresource)
{
UINT width, height;
HRESULT hr = frame->GetSize(&width, &height);
if (FAILED(hr))
return hr;
assert(width > 0 && height > 0);
if (!maxsize)
{
maxsize = D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION;
}
assert(maxsize > 0);
UINT twidth, theight;
if (width > maxsize || height > maxsize)
{
float ar = static_cast<float>(height) / static_cast<float>(width);
if (width > height)
{
twidth = static_cast<UINT>(maxsize);
theight = std::max<UINT>(1, static_cast<UINT>(static_cast<float>(maxsize) * ar));
}
else
{
theight = static_cast<UINT>(maxsize);
twidth = std::max<UINT>(1, static_cast<UINT>(static_cast<float>(maxsize) / ar));
}
assert(twidth <= maxsize && theight <= maxsize);
}
else
{
twidth = width;
theight = height;
}
// Determine format
WICPixelFormatGUID pixelFormat;
hr = frame->GetPixelFormat(&pixelFormat);
if (FAILED(hr))
return hr;
WICPixelFormatGUID convertGUID;
memcpy(&convertGUID, &pixelFormat, sizeof(WICPixelFormatGUID));
size_t bpp = 0;
DXGI_FORMAT format = _WICToDXGI(pixelFormat);
if (format == DXGI_FORMAT_UNKNOWN)
{
for (size_t i = 0; i < _countof(g_WICConvert); ++i)
{
if (memcmp(&g_WICConvert[i].source, &pixelFormat, sizeof(WICPixelFormatGUID)) == 0)
{
memcpy(&convertGUID, &g_WICConvert[i].target, sizeof(WICPixelFormatGUID));
format = _WICToDXGI(g_WICConvert[i].target);
assert(format != DXGI_FORMAT_UNKNOWN);
bpp = _WICBitsPerPixel(convertGUID);
break;
}
}
if (format == DXGI_FORMAT_UNKNOWN)
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
}
else
{
bpp = _WICBitsPerPixel(pixelFormat);
}
if (!bpp)
return E_FAIL;
// Handle sRGB formats
if (loadFlags & WIC_LOADER_FORCE_SRGB)
{
format = MakeSRGB(format);
}
else if (!(loadFlags & WIC_LOADER_IGNORE_SRGB))
{
ComPtr<IWICMetadataQueryReader> metareader;
if (SUCCEEDED(frame->GetMetadataQueryReader(metareader.GetAddressOf())))
{
GUID containerFormat;
if (SUCCEEDED(metareader->GetContainerFormat(&containerFormat)))
{
// Check for sRGB colorspace metadata
bool sRGB = false;
PROPVARIANT value;
PropVariantInit(&value);
if (memcmp(&containerFormat, &GUID_ContainerFormatPng, sizeof(GUID)) == 0)
{
// Check for sRGB chunk
if (SUCCEEDED(metareader->GetMetadataByName(L"/sRGB/RenderingIntent", &value)) && value.vt == VT_UI1)
{
sRGB = true;
}
}
else if (SUCCEEDED(metareader->GetMetadataByName(L"System.Image.ColorSpace", &value)) && value.vt == VT_UI2 && value.uiVal == 1)
{
sRGB = true;
}
(void)PropVariantClear(&value);
if (sRGB)
format = MakeSRGB(format);
}
}
}
// Allocate memory for decoded image
size_t rowPitch = (twidth * bpp + 7) / 8;
size_t imageSize = rowPitch * theight;
decodedData.reset(new (std::nothrow) uint8_t[imageSize]);
if (!decodedData)
return E_OUTOFMEMORY;
// Load image data
if (memcmp(&convertGUID, &pixelFormat, sizeof(GUID)) == 0
&& twidth == width
&& theight == height)
{
// No format conversion or resize needed
hr = frame->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
if (FAILED(hr))
return hr;
}
else if (twidth != width || theight != height)
{
// Resize
auto pWIC = _GetWIC();
if (!pWIC)
return E_NOINTERFACE;
ComPtr<IWICBitmapScaler> scaler;
hr = pWIC->CreateBitmapScaler(scaler.GetAddressOf());
if (FAILED(hr))
return hr;
hr = scaler->Initialize(frame, twidth, theight, WICBitmapInterpolationModeFant);
if (FAILED(hr))
return hr;
WICPixelFormatGUID pfScaler;
hr = scaler->GetPixelFormat(&pfScaler);
if (FAILED(hr))
return hr;
if (memcmp(&convertGUID, &pfScaler, sizeof(GUID)) == 0)
{
// No format conversion needed
hr = scaler->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
if (FAILED(hr))
return hr;
}
else
{
ComPtr<IWICFormatConverter> FC;
hr = pWIC->CreateFormatConverter(FC.GetAddressOf());
if (FAILED(hr))
return hr;
BOOL canConvert = FALSE;
hr = FC->CanConvert(pfScaler, convertGUID, &canConvert);
if (FAILED(hr) || !canConvert)
{
return E_UNEXPECTED;
}
hr = FC->Initialize(scaler.Get(), convertGUID, WICBitmapDitherTypeErrorDiffusion, nullptr, 0, WICBitmapPaletteTypeMedianCut);
if (FAILED(hr))
return hr;
hr = FC->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
if (FAILED(hr))
return hr;
}
}
else
{
// Format conversion but no resize
auto pWIC = _GetWIC();
if (!pWIC)
return E_NOINTERFACE;
ComPtr<IWICFormatConverter> FC;
hr = pWIC->CreateFormatConverter(FC.GetAddressOf());
if (FAILED(hr))
return hr;
BOOL canConvert = FALSE;
hr = FC->CanConvert(pixelFormat, convertGUID, &canConvert);
if (FAILED(hr) || !canConvert)
{
return E_UNEXPECTED;
}
hr = FC->Initialize(frame, convertGUID, WICBitmapDitherTypeErrorDiffusion, nullptr, 0, WICBitmapPaletteTypeMedianCut);
if (FAILED(hr))
return hr;
hr = FC->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
if (FAILED(hr))
return hr;
}
// Count the number of mips
uint32_t mipCount = (loadFlags & (WIC_LOADER_MIP_AUTOGEN|WIC_LOADER_MIP_RESERVE)) ? CountMips(twidth, theight) : 1;
// Create texture
D3D12_RESOURCE_DESC desc = {};
desc.Width = twidth;
desc.Height = theight;
desc.MipLevels = (uint16_t)mipCount;
desc.DepthOrArraySize = 1;
desc.Format = format;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Flags = resFlags;
desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
CD3DX12_HEAP_PROPERTIES defaultHeapProperties(D3D12_HEAP_TYPE_DEFAULT);
ID3D12Resource* tex = nullptr;
hr = d3dDevice->CreateCommittedResource(
&defaultHeapProperties,
D3D12_HEAP_FLAG_NONE,
&desc,
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_PPV_ARGS(&tex));
if (FAILED(hr))
{
return hr;
}
_Analysis_assume_(tex != 0);
subresource.pData = decodedData.get();
subresource.RowPitch = rowPitch;
subresource.SlicePitch = imageSize;
*texture = tex;
return hr;
}
} // anonymous namespace
//--------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::LoadWICTextureFromMemory(
ID3D12Device* d3dDevice,
const uint8_t* wicData,
size_t wicDataSize,
ID3D12Resource** texture,
std::unique_ptr<uint8_t[]>& decodedData,
D3D12_SUBRESOURCE_DATA& subresource,
size_t maxsize)
{
return LoadWICTextureFromMemoryEx(
d3dDevice,
wicData,
wicDataSize,
maxsize,
D3D12_RESOURCE_FLAG_NONE,
WIC_LOADER_DEFAULT,
texture,
decodedData,
subresource);
}
//--------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::LoadWICTextureFromMemoryEx(
ID3D12Device* d3dDevice,
const uint8_t* wicData,
size_t wicDataSize,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
unsigned int loadFlags,
ID3D12Resource** texture,
std::unique_ptr<uint8_t[]>& decodedData,
D3D12_SUBRESOURCE_DATA& subresource)
{
if ( texture )
{
*texture = nullptr;
}
if (!d3dDevice || !wicData || !texture)
return E_INVALIDARG;
if ( !wicDataSize )
return E_FAIL;
if ( wicDataSize > UINT32_MAX )
return HRESULT_FROM_WIN32( ERROR_FILE_TOO_LARGE );
auto pWIC = _GetWIC();
if ( !pWIC )
return E_NOINTERFACE;
// Create input stream for memory
ComPtr<IWICStream> stream;
HRESULT hr = pWIC->CreateStream( stream.GetAddressOf() );
if ( FAILED(hr) )
return hr;
hr = stream->InitializeFromMemory( const_cast<uint8_t*>( wicData ), static_cast<DWORD>( wicDataSize ) );
if ( FAILED(hr) )
return hr;
// Initialize WIC
ComPtr<IWICBitmapDecoder> decoder;
hr = pWIC->CreateDecoderFromStream( stream.Get(), 0, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf() );
if ( FAILED(hr) )
return hr;
ComPtr<IWICBitmapFrameDecode> frame;
hr = decoder->GetFrame( 0, frame.GetAddressOf() );
if ( FAILED(hr) )
return hr;
hr = CreateTextureFromWIC( d3dDevice,
frame.Get(), maxsize,
resFlags, loadFlags,
texture, decodedData, subresource);
if ( FAILED(hr))
return hr;
_Analysis_assume_(*texture != nullptr);
SetDebugObjectName(*texture, L"WICTextureLoader");
return hr;
}
//--------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::LoadWICTextureFromFile(
ID3D12Device* d3dDevice,
const wchar_t* fileName,
ID3D12Resource** texture,
std::unique_ptr<uint8_t[]>& wicData,
D3D12_SUBRESOURCE_DATA& subresource,
size_t maxsize)
{
return LoadWICTextureFromFileEx(
d3dDevice,
fileName,
maxsize,
D3D12_RESOURCE_FLAG_NONE,
WIC_LOADER_DEFAULT,
texture,
wicData,
subresource);
}
//--------------------------------------------------------------------------------------
_Use_decl_annotations_
HRESULT DirectX::LoadWICTextureFromFileEx(
ID3D12Device* d3dDevice,
const wchar_t* fileName,
size_t maxsize,
D3D12_RESOURCE_FLAGS resFlags,
unsigned int loadFlags,
ID3D12Resource** texture,
std::unique_ptr<uint8_t[]>& decodedData,
D3D12_SUBRESOURCE_DATA& subresource)
{
if ( texture )
{
*texture = nullptr;
}
if (!d3dDevice || !fileName || !texture )
return E_INVALIDARG;
auto pWIC = _GetWIC();
if ( !pWIC )
return E_NOINTERFACE;
// Initialize WIC
ComPtr<IWICBitmapDecoder> decoder;
HRESULT hr = pWIC->CreateDecoderFromFilename( fileName, 0, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf() );
if ( FAILED(hr) )
return hr;
ComPtr<IWICBitmapFrameDecode> frame;
hr = decoder->GetFrame( 0, frame.GetAddressOf() );
if ( FAILED(hr) )
return hr;
hr = CreateTextureFromWIC( d3dDevice, frame.Get(), maxsize,
resFlags, loadFlags,
texture, decodedData, subresource );
#if !defined(NO_D3D12_DEBUG_NAME) && ( defined(_DEBUG) || defined(PROFILE) )
if ( SUCCEEDED(hr) )
{
const wchar_t* pstrName = wcsrchr(fileName, '\\' );
if (!pstrName)
{
pstrName = fileName;
}
else
{
pstrName++;
}
if (texture != 0 && *texture != 0)
{
(*texture)->SetName(pstrName);
}
}
#endif
return hr;
}
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