mirror of
https://github.com/ncblakely/GiantsTools
synced 2024-12-23 07:47:22 +01:00
789 lines
24 KiB
C++
789 lines
24 KiB
C++
//--------------------------------------------------------------------------------------
|
|
// File: XboxDDSTextureLoader.cpp
|
|
//
|
|
// Functions for loading a DDS texture using the XBOX extended header and creating a
|
|
// Direct3D11.X runtime resource for it via the CreatePlacement APIs
|
|
//
|
|
// Note these functions will not load standard DDS files. Use the DDSTextureLoader
|
|
// module in the DirectXTex package or as part of the DirectXTK library to load
|
|
// these files which use standard Direct3D resource creation APIs.
|
|
//
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
// Licensed under the MIT License.
|
|
//
|
|
// http://go.microsoft.com/fwlink/?LinkId=248926
|
|
// http://go.microsoft.com/fwlink/?LinkId=248929
|
|
//--------------------------------------------------------------------------------------
|
|
|
|
#include "pch.h"
|
|
|
|
#include "XboxDDSTextureLoader.h"
|
|
|
|
#include "PlatformHelpers.h"
|
|
#include "DDS.h"
|
|
#include "DirectXHelpers.h"
|
|
|
|
#include <xdk.h>
|
|
|
|
using namespace DirectX;
|
|
using namespace Xbox;
|
|
|
|
namespace
|
|
{
|
|
//--------------------------------------------------------------------------------------
|
|
// Default XMemAlloc attributes for texture loading
|
|
//--------------------------------------------------------------------------------------
|
|
const uint64_t c_XMemAllocAttributes = MAKE_XALLOC_ATTRIBUTES(
|
|
eXALLOCAllocatorId_MiddlewareReservedMin,
|
|
0,
|
|
XALLOC_MEMTYPE_GRAPHICS_WRITECOMBINE_GPU_READONLY,
|
|
XALLOC_PAGESIZE_64KB,
|
|
XALLOC_ALIGNMENT_64K);
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
// DDS file structure definitions
|
|
//
|
|
// See DDS.h in the 'Texconv' sample and the 'DirectXTex' library
|
|
//--------------------------------------------------------------------------------------
|
|
#pragma pack(push,1)
|
|
|
|
struct DDS_HEADER_XBOX
|
|
// Must match structure defined in xtexconv tool
|
|
{
|
|
DXGI_FORMAT dxgiFormat;
|
|
uint32_t resourceDimension;
|
|
uint32_t miscFlag; // see DDS_RESOURCE_MISC_FLAG
|
|
uint32_t arraySize;
|
|
uint32_t miscFlags2; // see DDS_MISC_FLAGS2
|
|
uint32_t tileMode; // see XG_TILE_MODE
|
|
uint32_t baseAlignment;
|
|
uint32_t dataSize;
|
|
uint32_t xdkVer; // matching _XDK_VER
|
|
};
|
|
|
|
static_assert(sizeof(DDS_HEADER_XBOX) == 36, "DDS XBOX Header size mismatch");
|
|
|
|
#pragma pack(pop)
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
HRESULT LoadTextureDataFromFile(_In_z_ const wchar_t* fileName,
|
|
std::unique_ptr<uint8_t[]>& ddsData,
|
|
DDS_HEADER** header,
|
|
uint8_t** bitData,
|
|
size_t* bitSize) noexcept
|
|
{
|
|
if (!header || !bitData || !bitSize)
|
|
{
|
|
return E_POINTER;
|
|
}
|
|
|
|
// open the file
|
|
ScopedHandle hFile(safe_handle(CreateFile2(fileName,
|
|
GENERIC_READ,
|
|
FILE_SHARE_READ,
|
|
OPEN_EXISTING,
|
|
nullptr)));
|
|
|
|
if (!hFile)
|
|
{
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
|
|
// Get the file size
|
|
LARGE_INTEGER FileSize = {};
|
|
|
|
FILE_STANDARD_INFO fileInfo;
|
|
if (!GetFileInformationByHandleEx(hFile.get(), FileStandardInfo, &fileInfo, sizeof(fileInfo)))
|
|
{
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
FileSize = fileInfo.EndOfFile;
|
|
|
|
// File is too big for 32-bit allocation, so reject read
|
|
if (FileSize.HighPart > 0)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
// Need at least enough data to fill the header and magic number to be a valid DDS
|
|
if (FileSize.LowPart < (sizeof(DDS_HEADER) + sizeof(uint32_t)))
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
// create enough space for the file data
|
|
ddsData.reset(new (std::nothrow) uint8_t[FileSize.LowPart]);
|
|
if (!ddsData)
|
|
{
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
// read the data in
|
|
DWORD BytesRead = 0;
|
|
if (!ReadFile(hFile.get(),
|
|
ddsData.get(),
|
|
FileSize.LowPart,
|
|
&BytesRead,
|
|
nullptr
|
|
))
|
|
{
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
|
|
if (BytesRead < FileSize.LowPart)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
// DDS files always start with the same magic number ("DDS ")
|
|
auto dwMagicNumber = *reinterpret_cast<uint32_t*>(ddsData.get());
|
|
if (dwMagicNumber != DDS_MAGIC)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
auto hdr = reinterpret_cast<DDS_HEADER*>(ddsData.get() + sizeof(uint32_t));
|
|
|
|
// Verify header to validate DDS file
|
|
if (hdr->size != sizeof(DDS_HEADER) ||
|
|
hdr->ddspf.size != sizeof(DDS_PIXELFORMAT))
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
// Check for XBOX extension
|
|
if (!(hdr->ddspf.flags & DDS_FOURCC)
|
|
|| (MAKEFOURCC('X', 'B', 'O', 'X') != hdr->ddspf.fourCC))
|
|
{
|
|
// Use standard DDSTextureLoader instead
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
// Must be long enough for both headers and magic value
|
|
if (FileSize.LowPart < (sizeof(DDS_HEADER) + sizeof(uint32_t) + sizeof(DDS_HEADER_XBOX)))
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
// setup the pointers in the process request
|
|
*header = hdr;
|
|
auto offset = sizeof(uint32_t) + sizeof(DDS_HEADER) + sizeof(DDS_HEADER_XBOX);
|
|
*bitData = ddsData.get() + offset;
|
|
*bitSize = FileSize.LowPart - offset;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
DXGI_FORMAT MakeSRGB(_In_ DXGI_FORMAT format) noexcept
|
|
{
|
|
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 CreateD3DResources(_In_ ID3D11DeviceX* d3dDevice,
|
|
_In_ const DDS_HEADER_XBOX* xboxext,
|
|
_In_ uint32_t width,
|
|
_In_ uint32_t height,
|
|
_In_ uint32_t depth,
|
|
_In_ uint32_t mipCount,
|
|
_In_ uint32_t arraySize,
|
|
_In_ bool forceSRGB,
|
|
_In_ bool isCubeMap,
|
|
_In_ void* grfxMemory,
|
|
_Outptr_opt_ ID3D11Resource** texture,
|
|
_Outptr_opt_ ID3D11ShaderResourceView** textureView) noexcept
|
|
{
|
|
if (!d3dDevice || !grfxMemory)
|
|
return E_POINTER;
|
|
|
|
HRESULT hr = E_FAIL;
|
|
|
|
DXGI_FORMAT format = xboxext->dxgiFormat;
|
|
if (forceSRGB)
|
|
{
|
|
format = MakeSRGB(format);
|
|
}
|
|
|
|
switch (xboxext->resourceDimension)
|
|
{
|
|
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 = D3D11_USAGE_DEFAULT;
|
|
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
|
|
|
|
ID3D11Texture1D* tex = nullptr;
|
|
hr = d3dDevice->CreatePlacementTexture1D(&desc, xboxext->tileMode, 0, grfxMemory, &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 = desc.MipLevels;
|
|
SRVDesc.Texture1DArray.ArraySize = static_cast<UINT>(arraySize);
|
|
}
|
|
else
|
|
{
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE1D;
|
|
SRVDesc.Texture1D.MipLevels = desc.MipLevels;
|
|
}
|
|
|
|
hr = d3dDevice->CreateShaderResourceView(tex,
|
|
&SRVDesc,
|
|
textureView
|
|
);
|
|
if (FAILED(hr))
|
|
{
|
|
tex->Release();
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
if (texture != 0)
|
|
{
|
|
*texture = tex;
|
|
}
|
|
else
|
|
{
|
|
SetDebugObjectName(tex, "XboxDDSTextureLoader");
|
|
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.Usage = D3D11_USAGE_DEFAULT;
|
|
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
|
|
desc.MiscFlags = (isCubeMap) ? D3D11_RESOURCE_MISC_TEXTURECUBE : 0;
|
|
|
|
ID3D11Texture2D* tex = nullptr;
|
|
hr = d3dDevice->CreatePlacementTexture2D(&desc, xboxext->tileMode, 0, grfxMemory, &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 = 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 = desc.MipLevels;
|
|
}
|
|
}
|
|
else if (arraySize > 1)
|
|
{
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2DARRAY;
|
|
SRVDesc.Texture2DArray.MipLevels = desc.MipLevels;
|
|
SRVDesc.Texture2DArray.ArraySize = static_cast<UINT>(arraySize);
|
|
}
|
|
else
|
|
{
|
|
SRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
|
|
SRVDesc.Texture2D.MipLevels = desc.MipLevels;
|
|
}
|
|
|
|
hr = d3dDevice->CreateShaderResourceView(tex,
|
|
&SRVDesc,
|
|
textureView
|
|
);
|
|
if (FAILED(hr))
|
|
{
|
|
tex->Release();
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
if (texture != 0)
|
|
{
|
|
*texture = tex;
|
|
}
|
|
else
|
|
{
|
|
SetDebugObjectName(tex, "XboxDDSTextureLoader");
|
|
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 = D3D11_USAGE_DEFAULT;
|
|
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
|
|
|
|
ID3D11Texture3D* tex = nullptr;
|
|
hr = d3dDevice->CreatePlacementTexture3D(&desc, xboxext->tileMode, 0, grfxMemory, &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 = desc.MipLevels;
|
|
|
|
hr = d3dDevice->CreateShaderResourceView(tex,
|
|
&SRVDesc,
|
|
textureView
|
|
);
|
|
if (FAILED(hr))
|
|
{
|
|
tex->Release();
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
if (texture != 0)
|
|
{
|
|
*texture = tex;
|
|
}
|
|
else
|
|
{
|
|
SetDebugObjectName(tex, "XboxDDSTextureLoader");
|
|
tex->Release();
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
HRESULT CreateTextureFromDDS(_In_ ID3D11DeviceX* d3dDevice,
|
|
_In_ const DDS_HEADER* header,
|
|
_In_reads_bytes_(bitSize) const uint8_t* bitData,
|
|
_In_ size_t bitSize,
|
|
_In_ bool forceSRGB,
|
|
_Outptr_opt_ ID3D11Resource** texture,
|
|
_Outptr_opt_ ID3D11ShaderResourceView** textureView,
|
|
_Outptr_ void** grfxMemory) noexcept
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
uint32_t width = header->width;
|
|
uint32_t height = header->height;
|
|
uint32_t depth = header->depth;
|
|
|
|
uint32_t mipCount = header->mipMapCount;
|
|
if (0 == mipCount)
|
|
{
|
|
mipCount = 1;
|
|
}
|
|
|
|
if (!(header->ddspf.flags & DDS_FOURCC)
|
|
|| (MAKEFOURCC('X', 'B', 'O', 'X') != header->ddspf.fourCC))
|
|
{
|
|
// Use standard DDSTextureLoader instead
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
auto xboxext = reinterpret_cast<const DDS_HEADER_XBOX*>(reinterpret_cast<const uint8_t*>(header) + sizeof(DDS_HEADER));
|
|
|
|
#ifndef NDEBUG
|
|
if (xboxext->xdkVer < _XDK_VER)
|
|
{
|
|
OutputDebugStringA("WARNING: DDS XBOX file may be outdated and need regeneration\n");
|
|
}
|
|
#endif
|
|
|
|
uint32_t arraySize = xboxext->arraySize;
|
|
if (arraySize == 0)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_INVALID_DATA);
|
|
}
|
|
|
|
bool isCubeMap = false;
|
|
|
|
switch (xboxext->resourceDimension)
|
|
{
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE1D:
|
|
if ((header->flags & DDS_HEIGHT) && height != 1)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_INVALID_DATA);
|
|
}
|
|
height = depth = 1;
|
|
break;
|
|
|
|
case D3D11_RESOURCE_DIMENSION_TEXTURE2D:
|
|
if (xboxext->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);
|
|
}
|
|
|
|
if (xboxext->tileMode == uint32_t(-1))
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_INVALID_DATA);
|
|
}
|
|
|
|
// Bound sizes
|
|
if (mipCount > D3D11_REQ_MIP_LEVELS)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
switch (xboxext->resourceDimension)
|
|
{
|
|
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;
|
|
}
|
|
|
|
if (xboxext->dxgiFormat == DXGI_FORMAT_UNKNOWN)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (!xboxext->dataSize || !xboxext->baseAlignment)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (xboxext->dataSize > bitSize)
|
|
{
|
|
return HRESULT_FROM_WIN32(ERROR_HANDLE_EOF);
|
|
}
|
|
|
|
// Allocate graphics memory. Depending on the data size it uses 4MB or 64K pages.
|
|
*grfxMemory = XMemAlloc(xboxext->dataSize, c_XMemAllocAttributes);
|
|
if (!*grfxMemory)
|
|
return E_OUTOFMEMORY;
|
|
|
|
// Copy tiled data into graphics memory
|
|
memcpy(*grfxMemory, bitData, xboxext->dataSize);
|
|
|
|
// Create the texture
|
|
hr = CreateD3DResources(d3dDevice, xboxext,
|
|
width, height, depth, mipCount, arraySize,
|
|
forceSRGB, isCubeMap, *grfxMemory,
|
|
texture, textureView);
|
|
if (FAILED(hr))
|
|
{
|
|
XMemFree(grfxMemory, c_XMemAllocAttributes);
|
|
*grfxMemory = nullptr;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
DDS_ALPHA_MODE GetAlphaMode(_In_ const DDS_HEADER* header) noexcept
|
|
{
|
|
if (header->ddspf.flags & DDS_FOURCC)
|
|
{
|
|
if (MAKEFOURCC('X', 'B', 'O', 'X') == header->ddspf.fourCC)
|
|
{
|
|
auto xboxext = reinterpret_cast<const DDS_HEADER_XBOX*>(reinterpret_cast<const uint8_t*>(header) + sizeof(DDS_HEADER));
|
|
auto mode = static_cast<DDS_ALPHA_MODE>(xboxext->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;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return DDS_ALPHA_MODE_UNKNOWN;
|
|
}
|
|
} // anonymous namespace
|
|
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
_Use_decl_annotations_
|
|
HRESULT Xbox::CreateDDSTextureFromMemory(
|
|
ID3D11DeviceX* d3dDevice,
|
|
const uint8_t* ddsData,
|
|
size_t ddsDataSize,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
void** grfxMemory,
|
|
DDS_ALPHA_MODE* alphaMode,
|
|
bool forceSRGB ) noexcept
|
|
{
|
|
if ( texture )
|
|
{
|
|
*texture = nullptr;
|
|
}
|
|
if ( textureView )
|
|
{
|
|
*textureView = nullptr;
|
|
}
|
|
if ( grfxMemory )
|
|
{
|
|
*grfxMemory = nullptr;
|
|
}
|
|
if ( alphaMode )
|
|
{
|
|
*alphaMode = DDS_ALPHA_MODE_UNKNOWN;
|
|
}
|
|
|
|
if ( !d3dDevice || !ddsData || (!texture && !textureView) || !grfxMemory )
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
// Validate DDS file in memory
|
|
if (ddsDataSize < (sizeof(uint32_t) + sizeof(DDS_HEADER)))
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
auto dwMagicNumber = *reinterpret_cast<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 XBOX extension
|
|
if ( !( header->ddspf.flags & DDS_FOURCC )
|
|
|| ( MAKEFOURCC( 'X', 'B', 'O', 'X' ) != header->ddspf.fourCC ) )
|
|
{
|
|
// Use standard DDSTextureLoader instead
|
|
return HRESULT_FROM_WIN32( ERROR_NOT_SUPPORTED );
|
|
}
|
|
|
|
// Must be long enough for both headers and magic value
|
|
if (ddsDataSize < (sizeof(DDS_HEADER) + sizeof(uint32_t) + sizeof(DDS_HEADER_XBOX)))
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
auto offset = sizeof( uint32_t ) + sizeof( DDS_HEADER ) + sizeof( DDS_HEADER_XBOX );
|
|
|
|
HRESULT hr = CreateTextureFromDDS( d3dDevice, header,
|
|
ddsData + offset, ddsDataSize - offset, forceSRGB,
|
|
texture, textureView,
|
|
grfxMemory );
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
if (texture != 0 && *texture != 0)
|
|
{
|
|
SetDebugObjectName(*texture, "XboxDDSTextureLoader");
|
|
}
|
|
|
|
if (textureView != 0 && *textureView != 0)
|
|
{
|
|
SetDebugObjectName(*textureView, "XboxDDSTextureLoader");
|
|
}
|
|
|
|
if ( alphaMode )
|
|
*alphaMode = GetAlphaMode( header );
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
_Use_decl_annotations_
|
|
HRESULT Xbox::CreateDDSTextureFromFile(
|
|
ID3D11DeviceX* d3dDevice,
|
|
const wchar_t* fileName,
|
|
ID3D11Resource** texture,
|
|
ID3D11ShaderResourceView** textureView,
|
|
void** grfxMemory,
|
|
DDS_ALPHA_MODE* alphaMode,
|
|
bool forceSRGB ) noexcept
|
|
{
|
|
if ( texture )
|
|
{
|
|
*texture = nullptr;
|
|
}
|
|
if ( textureView )
|
|
{
|
|
*textureView = nullptr;
|
|
}
|
|
if ( grfxMemory )
|
|
{
|
|
*grfxMemory = nullptr;
|
|
}
|
|
if ( alphaMode )
|
|
{
|
|
*alphaMode = DDS_ALPHA_MODE_UNKNOWN;
|
|
}
|
|
|
|
if ( !d3dDevice || !fileName || (!texture && !textureView) || !grfxMemory )
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
DDS_HEADER* header = nullptr;
|
|
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, header,
|
|
bitData, bitSize, forceSRGB,
|
|
texture, textureView,
|
|
grfxMemory );
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
#if !defined(NO_D3D11_DEBUG_NAME) && ( defined(_DEBUG) || defined(PROFILE) )
|
|
if (texture != 0 && *texture != 0)
|
|
{
|
|
(*texture)->SetName( fileName );
|
|
}
|
|
if (textureView != 0 && *textureView != 0 )
|
|
{
|
|
(*textureView)->SetName( fileName );
|
|
}
|
|
#endif
|
|
|
|
if ( alphaMode )
|
|
*alphaMode = GetAlphaMode( header );
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
_Use_decl_annotations_
|
|
void Xbox::FreeDDSTextureMemory(void* grfxMemory) noexcept
|
|
{
|
|
if (grfxMemory)
|
|
{
|
|
XMemFree(grfxMemory, c_XMemAllocAttributes);
|
|
}
|
|
}
|