HRESULT WrappedIDXGISwapChain2::ResizeBuffers(
/* [in] */ UINT BufferCount,
/* [in] */ UINT Width,
/* [in] */ UINT Height,
/* [in] */ DXGI_FORMAT NewFormat,
/* [in] */ UINT SwapChainFlags)
{
for(int i=0; i < MAX_NUM_BACKBUFFERS; i++)
{
WrappedID3D11Texture2D *wrapped = (WrappedID3D11Texture2D*)m_pBackBuffers[i];
if(wrapped)
{
m_pDevice->GetImmediateContext()->GetCurrentPipelineState()->UnbindIUnknownForWrite(wrapped);
m_pDevice->GetImmediateContext()->GetCurrentPipelineState()->UnbindForRead(wrapped);
wrapped->ViewRelease();
}
wrapped = NULL;
}
m_pDevice->ReleaseSwapchainResources(this);
HRESULT ret = m_pReal->ResizeBuffers(BufferCount, Width, Height, NewFormat, SwapChainFlags);
DXGI_SWAP_CHAIN_DESC desc;
m_pReal->GetDesc(&desc);
int bufCount = desc.BufferCount;
if(desc.SwapEffect == DXGI_SWAP_EFFECT_DISCARD)
bufCount = 1;
RDCASSERT(bufCount < MAX_NUM_BACKBUFFERS);
for(int i=0; i < MAX_NUM_BACKBUFFERS; i++)
{
m_pBackBuffers[i] = NULL;
if(i < bufCount)
{
GetBuffer(i, __uuidof(ID3D11Texture2D), (void **)&m_pBackBuffers[i]);
WrappedID3D11Texture2D *wrapped = (WrappedID3D11Texture2D *)m_pBackBuffers[i];
if(wrapped)
{
// keep ref as a 'view' (invisible to user)
wrapped->ViewAddRef();
wrapped->Release();
}
}
}
return ret;
}
WrappedIDXGISwapChain2::~WrappedIDXGISwapChain2()
{
m_pDevice->ReleaseSwapchainResources(this);
for(int i=0; i < MAX_NUM_BACKBUFFERS; i++)
{
WrappedID3D11Texture2D *wrapped = (WrappedID3D11Texture2D *)m_pBackBuffers[i];
if(wrapped)
wrapped->ViewRelease();
m_pBackBuffers[i] = NULL;
}
SAFE_RELEASE(m_pReal1);
SAFE_RELEASE(m_pReal2);
SAFE_RELEASE(m_pReal);
SAFE_RELEASE(m_pDevice);
}
WrappedIDXGISwapChain2::WrappedIDXGISwapChain2(IDXGISwapChain* real, HWND wnd, WrappedID3D11Device *device)
: RefCountDXGIObject(real), m_pReal(real), m_pDevice(device), m_iRefcount(1), m_Wnd(wnd)
{
DXGI_SWAP_CHAIN_DESC desc;
real->GetDesc(&desc);
#if defined(INCLUDE_DXGI_1_2)
m_pReal1 = NULL;
real->QueryInterface(__uuidof(IDXGISwapChain1), (void **)&m_pReal1);
m_pReal2 = NULL;
real->QueryInterface(__uuidof(IDXGISwapChain2), (void **)&m_pReal2);
#endif
int bufCount = desc.BufferCount;
if(desc.SwapEffect == DXGI_SWAP_EFFECT_DISCARD)
bufCount = 1;
RDCASSERT(bufCount < MAX_NUM_BACKBUFFERS);
for(int i=0; i < MAX_NUM_BACKBUFFERS; i++)
{
m_pBackBuffers[i] = NULL;
if(i < bufCount)
{
GetBuffer(i, __uuidof(ID3D11Texture2D), (void **)&m_pBackBuffers[i]);
WrappedID3D11Texture2D *wrapped = (WrappedID3D11Texture2D *)m_pBackBuffers[i];
if(wrapped)
{
// keep ref as a 'view' (invisible to user)
wrapped->ViewAddRef();
wrapped->Release();
}
}
}
SAFE_ADDREF(m_pDevice);
// we do a 'fake' present right at the start, so that we can capture frame 1, by
// going from this fake present to the first present.
m_pDevice->FirstFrame(this);
}
