public int Direct3D9Device_EndScene(IntPtr devicePtr)
{
try
{
_D3D9Device = SlimDX.Direct3D9.Device.FromPointer(devicePtr);
if (_renderTarget == null)
{
// Create offscreen surface to use as copy of render target data
using (SwapChain sc = _D3D9Device.GetSwapChain(0))
{
// TODO: pass in a width and height
_renderTarget = Surface.CreateOffscreenPlain(_D3D9Device, sc.PresentParameters.BackBufferWidth, sc.PresentParameters.BackBufferHeight, sc.PresentParameters.BackBufferFormat, Pool.SystemMemory);
_targetNoMultiSample = Surface.CreateRenderTarget(_D3D9Device, sc.PresentParameters.BackBufferWidth, sc.PresentParameters.BackBufferHeight, sc.PresentParameters.BackBufferFormat, MultisampleType.None, 0, false);
_bufferFormat = sc.PresentParameters.BackBufferFormat;
_Rect = new Rectangle(0, 0, sc.PresentParameters.BackBufferWidth, sc.PresentParameters.BackBufferHeight);
}
}
// Lets mess with the scene now ;)
using (Surface backBuffer = _D3D9Device.GetBackBuffer(0, 0))
{
_D3D9Device.StretchRectangle(backBuffer, _Rect, _targetNoMultiSample, _Rect, TextureFilter.Linear);
_D3D9Device.GetRenderTargetData(_targetNoMultiSample, _renderTarget);
SlimDX.DataRectangle dataRect = _renderTarget.LockRectangle(LockFlags.None);
SlimDX.DataStream dataStream = dataRect.Data;
int height = _renderTarget.Description.Height;
int width = _renderTarget.Description.Width;
int k = height - 1;
int iSrcPitch = dataRect.Pitch;
IntPtr data = dataStream.DataPointer;
unsafe
{
byte *pSrcRow = (byte *)data.ToPointer();
for (int i = 0; i < height; i++)
{
if (k < 0)
{
break;
}
for (int j = 0; j < width; j++)
{
// toon shade the game pixels here..
pSrcRow[i * iSrcPitch + j * 4] = _map[(int)pSrcRow[i * iSrcPitch + j * 4]];
pSrcRow[i * iSrcPitch + j * 4 + 1] = _map[(int)pSrcRow[i * iSrcPitch + j * 4 + 1]];
pSrcRow[i * iSrcPitch + j * 4 + 2] = _map[(int)pSrcRow[i * iSrcPitch + j * 4 + 2]];
}
}
}
_renderTarget.UnlockRectangle();
_D3D9Device.UpdateSurface(_renderTarget, _targetNoMultiSample);
_D3D9Device.StretchRectangle(_targetNoMultiSample, backBuffer, TextureFilter.Linear);
}
}
catch (Exception ex)
{
// TODO: something useful
System.IO.File.AppendAllText("C:\\tmp\\_hook.txt", ex.Message + ex.StackTrace);
}
return(0);
}