private void UninitializeResources()
{
if (_renderTarget == null)
return;
// Unassign back buffer from D3DImage.
Lock();
SetBackBuffer(D3DResourceType.IDirect3DSurface9, IntPtr.Zero, true);
#else
SetBackBuffer(D3DResourceType.IDirect3DSurface9, IntPtr.Zero);
Unlock();
// Dispose resources.
_query.SafeDispose();
_query = null;
_isFrameReady = true; // Set to true while nothing is being rendered.
_stagingResource9.SafeDispose();
_stagingResource9 = null;
_surface9.SafeDispose();
_surface9 = null;
_texture9.SafeDispose();
_texture9 = null;
_stagingResource11.SafeDispose();
_stagingResource11 = null;
_texture11.SafeDispose();
_texture11 = null;
_renderTarget.SafeDispose();
_renderTarget = null;
}
private void InitializeResources(GraphicsDevice graphicsDevice, int width, int height)
{
try
{
Debug.Assert(_renderTarget == null, "Dispose previous back buffer before creating a new back buffer.");
// MonoGame
var format = _enableAlpha ? SurfaceFormat.Bgra32 : SurfaceFormat.Bgr32;
_renderTarget = new RenderTarget2D(graphicsDevice, width, height, false, format, DepthFormat.Depth24Stencil8, 0, RenderTargetUsage.DiscardContents);
// Direct3D 11
var device11 = (SharpDX.Direct3D11.Device)graphicsDevice.Handle;
var formatDXGI = D3D11Helper.ToD3D11(format);
_texture11 = D3D11Helper.CreateSharedResource(device11, width, height, formatDXGI);
_stagingResource11 = D3D11Helper.CreateStagingResource(device11, _texture11);
// Direct3D 9
_texture9 = _d3D9.CreateSharedTexture(_texture11);
_surface9 = _texture9.GetSurfaceLevel(0);
_stagingResource9 = _d3D9.CreateStagingResource(_texture11);
// Direct3D 11 event query.
Debug.Assert(_isFrameReady, "_isFrameReady should be true when uninitialized.");
var queryDescription = new SharpDX.Direct3D11.QueryDescription
{
Flags = SharpDX.Direct3D11.QueryFlags.None,
Type = SharpDX.Direct3D11.QueryType.Event
};
_query = new SharpDX.Direct3D11.Query(device11, queryDescription);
// Assign back buffer to D3DImage.
// The back buffer is still empty, however we need to set a valid back buffer
// for the layout logic. Otherwise, the size of the D3D11Image is (0, 0).
Lock();
SetBackBuffer(D3DResourceType.IDirect3DSurface9, _surface9.NativePointer, true);
#else
SetBackBuffer(D3DResourceType.IDirect3DSurface9, _surface9.NativePointer);
Unlock();
if (IsSynchronized)
{
// Issue a copy of the surface into the staging resource to see when the
// resource is no longer used by Direct3D 9.
_d3D9.Copy(_surface9, _stagingResource9);
_isAvailable9 = _d3D9.TryAccess(_stagingResource9);
}
}
catch
{
// GPU may run out of memory.
UninitializeResources();
throw;
}
}
private void PresentFrame11(bool renderToTexture)
{
// Update the screen
if (!renderToTexture)
{
FadeFrame();
NetControl.WaitForNetworkSync();
RenderContext11.Present(Properties.Settings.Default.FrameSync);
if (flush)
{
RenderContext11.devContext.Flush();
SharpDX.Direct3D11.QueryDescription qd = new SharpDX.Direct3D11.QueryDescription();
qd.Type = SharpDX.Direct3D11.QueryType.Event;
query = new SharpDX.Direct3D11.Query(RenderContext11.Device, qd);
RenderContext11.devContext.End(query);
bool result = false;
bool retVal = false;
while (!result && !retVal)
{
SharpDX.DataStream ds = RenderContext11.devContext.GetData(query);
result = ds.ReadBoolean();
ds.Close();
ds.Dispose();
}
query.Dispose();
}
}
}
