Add 'capture'

capture

@@ -0,0 +1,34 @@
+void dump_buffer()
+{
+   IDirect3DSurface9* pRenderTarget=NULL;
+   IDirect3DSurface9* pDestTarget=NULL;
+     const char file[] = "Pickture.bmp";
+   // sanity checks.
+   if (Device == NULL)
+      return;
+
+   // get the render target surface.
+   HRESULT hr = Device->GetRenderTarget(0, &pRenderTarget);
+   // get the current adapter display mode.
+   //hr = pDirect3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT,&d3ddisplaymode);
+
+   // create a destination surface.
+   hr = Device->CreateOffscreenPlainSurface(DisplayMde.Width,
+                         DisplayMde.Height,
+                         DisplayMde.Format,
+                         D3DPOOL_SYSTEMMEM,
+                         &pDestTarget,
+                         NULL);
+   //copy the render target to the destination surface.
+   hr = Device->GetRenderTargetData(pRenderTarget, pDestTarget);
+   //save its contents to a bitmap file.
+   hr = D3DXSaveSurfaceToFile(file,
+                              D3DXIFF_BMP,
+                              pDestTarget,
+                              NULL,
+                              NULL);
+
+   // clean up.
+   pRenderTarget->Release();
+   pDestTarget->Release();
+}