本文整理汇总了C++中IDirect3DSwapChain9::GetBackBuffer方法的典型用法代码示例。如果您正苦于以下问题：C++ IDirect3DSwapChain9::GetBackBuffer方法的具体用法？C++ IDirect3DSwapChain9::GetBackBuffer怎么用？C++ IDirect3DSwapChain9::GetBackBuffer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::GetBackBuffer方法的2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:
/* Sets the rendering context
*/
void D3DRenderer::SetContext(long context)
{
if(context != mContext)
{
if(mSwapChains.find(context) != mSwapChains.end())
{
IDirect3DSwapChain9* pSwapChain = mSwapChains[context].mD3DSwapChain;
if(pSwapChain)
{
LPDIRECT3DSURFACE9 pBack = NULL;
HRESULT hr;
hr = pSwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &pBack);
if(SUCCEEDED(hr))
{
hr = mD3DDevice->SetRenderTarget(0, pBack);
pBack->Release();
}
}
}
mContext = context;
}
}示例2: resetSwapChain
void Surface::resetSwapChain()
{
IDirect3DDevice9 *device = mDisplay->getDevice();
D3DPRESENT_PARAMETERS presentParameters = {0};
presentParameters.AutoDepthStencilFormat = mConfig->mDepthStencilFormat;
presentParameters.BackBufferCount = 1;
presentParameters.BackBufferFormat = mConfig->mRenderTargetFormat;
presentParameters.EnableAutoDepthStencil = FALSE;
presentParameters.Flags = 0;
presentParameters.hDeviceWindow = getWindowHandle();
presentParameters.MultiSampleQuality = 0; // FIXME: Unimplemented
presentParameters.MultiSampleType = D3DMULTISAMPLE_NONE; // FIXME: Unimplemented
presentParameters.PresentationInterval = Display::convertInterval(mConfig->mMinSwapInterval);
presentParameters.SwapEffect = D3DSWAPEFFECT_DISCARD;
presentParameters.Windowed = TRUE;
RECT windowRect;
if (!GetClientRect(getWindowHandle(), &windowRect))
{
ASSERT(false);
return;
}
presentParameters.BackBufferWidth = windowRect.right - windowRect.left;
presentParameters.BackBufferHeight = windowRect.bottom - windowRect.top;
IDirect3DSwapChain9 *swapChain = NULL;
HRESULT result = device->CreateAdditionalSwapChain(&presentParameters, &swapChain);
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
ERR("Could not create additional swap chains: %08lX", result);
return error(EGL_BAD_ALLOC);
}
IDirect3DSurface9 *depthStencilSurface = NULL;
result = device->CreateDepthStencilSurface(presentParameters.BackBufferWidth, presentParameters.BackBufferHeight,
presentParameters.AutoDepthStencilFormat, presentParameters.MultiSampleType,
presentParameters.MultiSampleQuality, FALSE, &depthStencilSurface, NULL);
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
swapChain->Release();
ERR("Could not create depthstencil surface for new swap chain: %08lX", result);
return error(EGL_BAD_ALLOC);
}
IDirect3DSurface9 *renderTarget = NULL;
result = device->CreateRenderTarget(presentParameters.BackBufferWidth, presentParameters.BackBufferHeight, presentParameters.BackBufferFormat,
presentParameters.MultiSampleType, presentParameters.MultiSampleQuality, FALSE, &renderTarget, NULL);
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
swapChain->Release();
depthStencilSurface->Release();
ERR("Could not create render target surface for new swap chain: %08lX", result);
return error(EGL_BAD_ALLOC);
}
ASSERT(SUCCEEDED(result));
IDirect3DTexture9 *flipTexture = NULL;
result = device->CreateTexture(presentParameters.BackBufferWidth, presentParameters.BackBufferHeight, 1, D3DUSAGE_RENDERTARGET,
presentParameters.BackBufferFormat, D3DPOOL_DEFAULT, &flipTexture, NULL);
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
swapChain->Release();
depthStencilSurface->Release();
renderTarget->Release();
ERR("Could not create flip texture for new swap chain: %08lX", result);
return error(EGL_BAD_ALLOC);
}
IDirect3DSurface9 *backBuffer = NULL;
swapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &backBuffer);
if (mSwapChain) mSwapChain->Release();
if (mDepthStencil) mDepthStencil->Release();
if (mBackBuffer) mBackBuffer->Release();
if (mRenderTarget) mRenderTarget->Release();
if (mFlipTexture) mFlipTexture->Release();
mWidth = presentParameters.BackBufferWidth;
mHeight = presentParameters.BackBufferHeight;
mSwapChain = swapChain;
//.........这里部分代码省略.........