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mirror of https://github.com/microsoft/DirectXTex synced 2024-11-21 12:00:06 +00:00

DirectXTex: WIC2 support for ScreenGrab & WICTextureLoader

This commit is contained in:
walbourn_cp 2012-11-14 14:09:35 -08:00
parent 6a905106f2
commit 72a1f29d1f
3 changed files with 113 additions and 19 deletions

View File

@ -153,6 +153,7 @@ IWICImagingFactory* _GetWIC()
if ( SUCCEEDED(hr) )
{
// WIC2 is available on Windows 8 and Windows 7 SP1 with KB 2670838 installed
g_WIC2 = true;
}
else

View File

@ -624,6 +624,8 @@ static HRESULT CaptureTexture( _In_ ID3D11DeviceContext* pContext,
//--------------------------------------------------------------------------------------
#if !defined(WINAPI_FAMILY) || (WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP)
static bool g_WIC2 = false;
static IWICImagingFactory* _GetWIC()
{
static IWICImagingFactory* s_Factory = nullptr;
@ -631,6 +633,37 @@ static IWICImagingFactory* _GetWIC()
if ( s_Factory )
return s_Factory;
#if(_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/) || defined(_WIN7_PLATFORM_UPDATE)
HRESULT hr = CoCreateInstance(
CLSID_WICImagingFactory2,
nullptr,
CLSCTX_INPROC_SERVER,
__uuidof(IWICImagingFactory2),
(LPVOID*)&s_Factory
);
if ( SUCCEEDED(hr) )
{
// WIC2 is available on Windows 8 and Windows 7 SP1 with KB 2670838 installed
g_WIC2 = true;
}
else
{
hr = CoCreateInstance(
CLSID_WICImagingFactory1,
nullptr,
CLSCTX_INPROC_SERVER,
__uuidof(IWICImagingFactory),
(LPVOID*)&s_Factory
);
if ( FAILED(hr) )
{
s_Factory = nullptr;
return nullptr;
}
}
#else
HRESULT hr = CoCreateInstance(
CLSID_WICImagingFactory,
nullptr,
@ -644,10 +677,10 @@ static IWICImagingFactory* _GetWIC()
s_Factory = nullptr;
return nullptr;
}
#endif
return s_Factory;
}
#endif
@ -923,11 +956,18 @@ HRESULT DirectX::SaveWICTextureToFile( _In_ ID3D11DeviceContext* pContext,
// Screenshots dont typically include the alpha channel of the render target
switch ( desc.Format )
{
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/)
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/) || defined(_WIN7_PLATFORM_UPDATE)
case DXGI_FORMAT_R32G32B32A32_FLOAT:
case DXGI_FORMAT_R16G16B16A16_FLOAT:
case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
targetGuid = GUID_WICPixelFormat96bppRGBFloat;
if ( g_WIC2 )
{
targetGuid = GUID_WICPixelFormat96bppRGBFloat;
}
else
{
targetGuid = GUID_WICPixelFormat24bppBGR;
}
break;
#endif

View File

@ -126,10 +126,6 @@ static WICTranslate g_WICFormats[] =
{ GUID_WICPixelFormat8bppGray, DXGI_FORMAT_R8_UNORM },
{ GUID_WICPixelFormat8bppAlpha, DXGI_FORMAT_A8_UNORM },
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/)
{ GUID_WICPixelFormat96bppRGBFloat, DXGI_FORMAT_R32G32B32_FLOAT },
#endif
};
//-------------------------------------------------------------------------------------
@ -202,18 +198,17 @@ static WICConvert g_WICConvert[] =
{ GUID_WICPixelFormat40bppCMYKAlpha, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
{ GUID_WICPixelFormat80bppCMYKAlpha, GUID_WICPixelFormat64bppRGBA }, // DXGI_FORMAT_R16G16B16A16_UNORM
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/)
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/) || defined(_WIN7_PLATFORM_UPDATE)
{ 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
#else
{ GUID_WICPixelFormat96bppRGBFixedPoint, GUID_WICPixelFormat128bppRGBAFloat }, // DXGI_FORMAT_R32G32B32A32_FLOAT
#endif
// We don't support n-channel formats
};
static bool g_WIC2 = false;
//--------------------------------------------------------------------------------------
static IWICImagingFactory* _GetWIC()
{
@ -222,6 +217,37 @@ static IWICImagingFactory* _GetWIC()
if ( s_Factory )
return s_Factory;
#if(_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/) || defined(_WIN7_PLATFORM_UPDATE)
HRESULT hr = CoCreateInstance(
CLSID_WICImagingFactory2,
nullptr,
CLSCTX_INPROC_SERVER,
__uuidof(IWICImagingFactory2),
(LPVOID*)&s_Factory
);
if ( SUCCEEDED(hr) )
{
// WIC2 is available on Windows 8 and Windows 7 SP1 with KB 2670838 installed
g_WIC2 = true;
}
else
{
hr = CoCreateInstance(
CLSID_WICImagingFactory1,
nullptr,
CLSCTX_INPROC_SERVER,
__uuidof(IWICImagingFactory),
(LPVOID*)&s_Factory
);
if ( FAILED(hr) )
{
s_Factory = nullptr;
return nullptr;
}
}
#else
HRESULT hr = CoCreateInstance(
CLSID_WICImagingFactory,
nullptr,
@ -235,6 +261,7 @@ static IWICImagingFactory* _GetWIC()
s_Factory = nullptr;
return nullptr;
}
#endif
return s_Factory;
}
@ -248,6 +275,14 @@ static DXGI_FORMAT _WICToDXGI( const GUID& guid )
return g_WICFormats[i].format;
}
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/) || defined(_WIN7_PLATFORM_UPDATE)
if ( g_WIC2 )
{
if ( memcmp( &GUID_WICPixelFormat96bppRGBFloat, &guid, sizeof(GUID) ) == 0 )
return DXGI_FORMAT_R32G32B32_FLOAT;
}
#endif
return DXGI_FORMAT_UNKNOWN;
}
@ -361,16 +396,34 @@ static HRESULT CreateTextureFromWIC( _In_ ID3D11Device* d3dDevice,
DXGI_FORMAT format = _WICToDXGI( pixelFormat );
if ( format == DXGI_FORMAT_UNKNOWN )
{
for( size_t i=0; i < _countof(g_WICConvert); ++i )
if ( memcmp( &GUID_WICPixelFormat96bppRGBFixedPoint, &pixelFormat, sizeof(WICPixelFormatGUID) ) == 0 )
{
if ( memcmp( &g_WICConvert[i].source, &pixelFormat, sizeof(WICPixelFormatGUID) ) == 0 )
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/) || defined(_WIN7_PLATFORM_UPDATE)
if ( g_WIC2 )
{
memcpy( &convertGUID, &g_WICConvert[i].target, sizeof(WICPixelFormatGUID) );
memcpy( &convertGUID, &GUID_WICPixelFormat96bppRGBFloat, sizeof(WICPixelFormatGUID) );
format = DXGI_FORMAT_R32G32B32_FLOAT;
}
else
#endif
{
memcpy( &convertGUID, &GUID_WICPixelFormat128bppRGBAFloat, sizeof(WICPixelFormatGUID) );
format = DXGI_FORMAT_R32G32B32A32_FLOAT;
}
}
else
{
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;
format = _WICToDXGI( g_WICConvert[i].target );
assert( format != DXGI_FORMAT_UNKNOWN );
bpp = _WICBitsPerPixel( convertGUID );
break;
}
}
}
@ -382,7 +435,7 @@ static HRESULT CreateTextureFromWIC( _In_ ID3D11Device* d3dDevice,
bpp = _WICBitsPerPixel( pixelFormat );
}
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/)
#if (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/) || defined(_WIN7_PLATFORM_UPDATE)
if ( (format == DXGI_FORMAT_R32G32B32_FLOAT) && d3dContext != 0 && textureView != 0 )
{
// Special case test for optional device support for autogen mipchains for R32G32B32_FLOAT