本文整理汇总了C++中IDirect3DSwapChain9::QueryInterface方法的典型用法代码示例。如果您正苦于以下问题：C++ IDirect3DSwapChain9::QueryInterface方法的具体用法？C++ IDirect3DSwapChain9::QueryInterface怎么用？C++ IDirect3DSwapChain9::QueryInterface使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IDirect3DSwapChain9的用法示例。
在下文中一共展示了IDirect3DSwapChain9::QueryInterface方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Render
//.........这里部分代码省略.........
pDev->SetStreamSource( 0, g_pScreenVB, 0, sizeof(SCREENVERTEX) );
pDev->SetFVF( D3DFVF_SCREENVERTEX );
// draw
pDev->DrawPrimitive( D3DPT_TRIANGLESTRIP, 0, 2 );
//
// Render the cursor
//
pDev->SetTexture( 0, NULL );
// set the texture stage states
pDev->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1 );
pDev->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_DIFFUSE );
// stream sources
pDev->SetStreamSource( 0, g_pCursorVB, 0, sizeof(CURSORVERTEX) );
pDev->SetFVF( D3DFVF_CURSORVERTEX );
// draw
pDev->DrawPrimitive( D3DPT_TRIANGLESTRIP, 0, 2 );
// render text
RenderText( pDev );
// End the scene
pDev->EndScene();
}
else if( g_bSkipRendering )
Sleep(20); //don't hog the entire CPU
// Present the backbuffer contents to the display
HRESULT hr = pDev->Present( NULL, NULL, NULL, NULL );
// Handle Occluded, DeviceReset, or Mode Changes
if( S_PRESENT_OCCLUDED == hr )
{
g_bSkipRendering = true;
}
else if( D3DERR_DEVICELOST == hr )
{
if(FAILED( Reset( pDev ) ) )
g_bSkipRendering = true;
}
else if( S_PRESENT_MODE_CHANGED == hr )
{
//
// Reenumerate modes by calling IDirect3D9::GetAdapterModeCountEx
//
D3DDISPLAYMODEFILTER DisplayModeFilter;
ZeroMemory(&DisplayModeFilter, sizeof(DisplayModeFilter));
DisplayModeFilter.Size = sizeof(DisplayModeFilter);
DisplayModeFilter.Format = D3DFMT_UNKNOWN;
DisplayModeFilter.ScanLineOrdering = D3DSCANLINEORDERING_PROGRESSIVE;
UINT ModeCount = g_pD3D9->GetAdapterModeCountEx(D3DADAPTER_DEFAULT, &DisplayModeFilter);
if(FAILED( Reset( pDev ) ) )
g_bSkipRendering = true;
}
else if( D3DERR_DEVICEHUNG == hr )
{
MessageBox( g_hWnd,
L"This application has caused the graphics adapter to hang, check with the hardware vendor for a new driver.",
L"Graphics Adapter Hang",
MB_OK );
PostQuitMessage(0);
g_bSkipRendering = true;
}
else
{
g_bSkipRendering = false;
}
// Get some presents stats
IDirect3DSwapChain9* pSwapChain;
if( SUCCEEDED( pDev->GetSwapChain( 0, &pSwapChain ) ) )
{
IDirect3DSwapChain9Ex* pSwapChainEx;
if( SUCCEEDED( pSwapChain->QueryInterface( IID_IDirect3DSwapChain9Ex, (void**)&pSwapChainEx ) ) )
{
hr = pSwapChainEx->GetLastPresentCount( &g_PresentStats.PresentCount );
if( SUCCEEDED( hr ) )
hr = pSwapChainEx->GetPresentStats( &g_PresentStats );
pSwapChainEx->Release();
}
pSwapChain->Release();
}
// Get the time
LARGE_INTEGER liCurrentTime;
QueryPerformanceCounter( &liCurrentTime );
g_fLastFrameTime = (float)(liCurrentTime.QuadPart - g_liLastTimerUpdate.QuadPart) / (float)g_liTimerFrequency.QuadPart;
g_liLastTimerUpdate.QuadPart = liCurrentTime.QuadPart;
}