/// <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)
{
if (swapChainPtr != _swapChainPointer)
{
_swapChain = SlimDX.DXGI.SwapChain.FromPointer(swapChainPtr);
}
SwapChain swapChain = _swapChain;
//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
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>
/// 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)
{
DebugMessage("ResizeTarget");
try
{
if (_swapChain == null)
{
_swapChain = SlimDX.DXGI.SwapChain.FromPointer(swapChainPtr);
}
SwapChain swapChain = _swapChain;
//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
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);
}
}
catch (Exception ex)
{
DebugMessage(ex.ToString());
return(System.Runtime.InteropServices.Marshal.GetHRForException(ex));
}
}
