/// <summary>
/// Hooked to allow resizing a texture/surface that is reused. Currently not in use as we create the texture for each request
/// to support different sizes each time (as we use DirectX to copy only the region we are after rather than the entire backbuffer)
/// </summary>
/// <param name="swapChainPtr"></param>
/// <param name="newTargetParameters"></param>
/// <returns></returns>
int ResizeTargetHook(IntPtr swapChainPtr, ref DXGI.DXGI_MODE_DESC newTargetParameters)
{
using (SlimDX.DXGI.SwapChain swapChain = SlimDX.DXGI.SwapChain.FromPointer(swapChainPtr))
{
// This version creates a new texture for each request so there is nothing to resize.
// IF the size of the texture is known each time, we could create it once, and then possibly need to resize it here
if (bitmap != null)
{
bitmap.Dispose();
bitmap = null;
}
return(swapChain.ResizeTarget(
new SlimDX.DXGI.ModeDescription()
{
Format = newTargetParameters.Format,
Height = newTargetParameters.Height,
RefreshRate = newTargetParameters.RefreshRate,
Scaling = newTargetParameters.Scaling,
ScanlineOrdering = newTargetParameters.ScanlineOrdering,
Width = newTargetParameters.Width
}
).Code);
}
}
/// <summary>
/// Toggles the swap chain to full screen mode.
/// </summary>
public override void ToggleFullScreen()
{
_resetting = true;
_isFullScreen = !_isFullScreen;
_swapChain.IsFullScreen = _isFullScreen;
//Resize targets
if (_isFullScreen)
{
DXGI.ModeDescription modeDesc = new DXGI.ModeDescription();
modeDesc.Format = D3D10Helper.ToD3DSurfaceFormat(_presentParams.BackBufferFormat);
modeDesc.Width = _presentParams.BackBufferWidth;
modeDesc.Height = _presentParams.BackBufferHeight;
modeDesc.RefreshRate = new SDX.Rational(0, 0);
_swapChain.ResizeTarget(modeDesc);
}
_resetting = false;
}
