void GFXPCD3D9WindowTarget::createAdditionalSwapChain()
{
AssertFatal(!mImplicit, "Invalid swap chain type! Implicit swap chains use the device");
// Since we're not going to do a device reset for an additional swap
// chain, we can just release our resources and regrab them.
SAFE_RELEASE(mSwapChain);
SAFE_RELEASE(mDepthStencil);
SAFE_RELEASE(mBackbuffer);
// If there's a fullscreen window active, don't try to create these additional swap chains.
// CodeReview, we need to store the window target with the implicit swap chain better, this line below
// could fail if the current render target isn't what we expect.
GFXPCD3D9WindowTarget* currTarget = dynamic_cast<GFXPCD3D9WindowTarget*>(mDevice->getActiveRenderTarget());
if (currTarget && currTarget->getWindow()->getVideoMode().fullScreen)
return;
// Setup our presentation params.
initPresentationParams();
// Create our resources!
D3D9Assert(mDevice->getDevice()->CreateAdditionalSwapChain(&mPresentationParams, &mSwapChain),
"GFXPCD3D9WindowTarget::createAdditionalSwapChain - couldn't reallocate additional swap chain!");
D3D9Assert(mDevice->getDevice()->CreateDepthStencilSurface(mPresentationParams.BackBufferWidth, mPresentationParams.BackBufferHeight,
D3DFMT_D24S8, mPresentationParams.MultiSampleType, mPresentationParams.MultiSampleQuality, false, &mDepthStencil, NULL),
"GFXPCD3D9WindowTarget::createAdditionalSwapChain: Unable to create stencil/depth surface");
D3D9Assert(mSwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &mBackbuffer),
"GFXPCD3D9WindowTarget::createAdditionalSwapChain: Unable to get backbuffer!");
}
void GFXPCD3D9WindowTarget::resetMode()
{
mWindow->setSuppressReset(true);
if (mSwapChain)
{
// The current video settings.
D3DPRESENT_PARAMETERS pp;
mSwapChain->GetPresentParameters(&pp);
bool ppFullscreen = !pp.Windowed;
Point2I backbufferSize(pp.BackBufferWidth, pp.BackBufferHeight);
// The settings we are now applying.
const GFXVideoMode &mode = mWindow->getVideoMode();
// Convert the current multisample parameters into something
// we can compare with our GFXVideoMode.antialiasLevel value.
U32 ppAntiAliaseLevel = 0;
if ( pp.MultiSampleType != D3DMULTISAMPLE_NONE )
ppAntiAliaseLevel = pp.MultiSampleQuality + 1;
// Early out if none of the settings which require a device reset
// have changed.
if ( backbufferSize == getSize() &&
ppFullscreen == mode.fullScreen &&
ppAntiAliaseLevel == mode.antialiasLevel )
return;
}
// So, the video mode has changed - if we're an additional swap chain
// just kill the swapchain and reallocate to match new vid mode.
if(mImplicit == false)
{
createAdditionalSwapChain();
}
else
{
// Setup our presentation params.
initPresentationParams();
// Otherwise, we have to reset the device, if we're the implicit swapchain.
mDevice->reset(mPresentationParams);
}
// Update our size, too.
mSize = Point2I(mPresentationParams.BackBufferWidth, mPresentationParams.BackBufferHeight);
mWindow->setSuppressReset(false);
}
void GFXD3D11WindowTarget::resetMode()
{
mWindow->setSuppressReset(true);
// Setup our presentation params.
initPresentationParams();
// Otherwise, we have to reset the device, if we're the implicit swapchain.
D3D11->reset(mPresentationParams);
// Update our size, too.
mSize = Point2I(mPresentationParams.BufferDesc.Width, mPresentationParams.BufferDesc.Height);
mWindow->setSuppressReset(false);
GFX->beginReset();
}
