public override void Hook()
{
DebugMessage("Hook: Begin");
if (_d3d11VTblAddresses == null)
{
_d3d11VTblAddresses = new List <IntPtr>();
_dxgiSwapChainVTblAddresses = new List <IntPtr>();
#region Get Device and SwapChain method addresses
// Create temporary device + swapchain and determine method addresses
_renderForm = ToDispose(new RenderForm());
DebugMessage("Hook: Before device creation");
Device.CreateWithSwapChain(
DriverType.Hardware,
DeviceCreationFlags.BgraSupport,
DXGI.CreateSwapChainDescription(_renderForm.Handle),
out _device,
out _swapChain);
ToDispose(_device);
ToDispose(_swapChain);
if (_device != null && _swapChain != null)
{
DebugMessage("Hook: Device created");
_d3d11VTblAddresses.AddRange(GetVTblAddresses(_device.NativePointer, D3D11_DEVICE_METHOD_COUNT));
_dxgiSwapChainVTblAddresses.AddRange(GetVTblAddresses(_swapChain.NativePointer,
DXGI.DXGI_SWAPCHAIN_METHOD_COUNT));
}
else
{
DebugMessage("Hook: Device creation failed");
}
#endregion
}
// We will capture the backbuffer here
DXGISwapChain_PresentHook = new Hook <DXGISwapChain_PresentDelegate>(
_dxgiSwapChainVTblAddresses[(int)DXGI.DXGISwapChainVTbl.Present],
new DXGISwapChain_PresentDelegate(PresentHook),
this);
// We will capture target/window resizes here
DXGISwapChain_ResizeTargetHook = new Hook <DXGISwapChain_ResizeTargetDelegate>(
_dxgiSwapChainVTblAddresses[(int)DXGI.DXGISwapChainVTbl.ResizeTarget],
new DXGISwapChain_ResizeTargetDelegate(ResizeTargetHook),
this);
/*
* Don't forget that all hooks will start deactivated...
* The following ensures that all threads are intercepted:
* Note: you must do this for each hook.
*/
DXGISwapChain_PresentHook.Activate();
DXGISwapChain_ResizeTargetHook.Activate();
Hooks.Add(DXGISwapChain_PresentHook);
Hooks.Add(DXGISwapChain_ResizeTargetHook);
}
public override void Hook()
{
DebugMessage("Hook: Begin");
// First we need to determine the function address for IDirect3DDevice9
Device device;
id3dDeviceFunctionAddresses = new List <IntPtr>();
//id3dDeviceExFunctionAddresses = new List<IntPtr>();
DebugMessage("Hook: Before device creation");
using (var d3d = new Direct3D())
{
using (var renderForm = new Form())
{
using (
device =
new Device(d3d, 0, DeviceType.NullReference, IntPtr.Zero,
CreateFlags.HardwareVertexProcessing,
new PresentParameters
{
BackBufferWidth = 1,
BackBufferHeight = 1,
DeviceWindowHandle = renderForm.Handle
}))
{
DebugMessage("Hook: Device created");
id3dDeviceFunctionAddresses.AddRange(GetVTblAddresses(device.NativePointer,
D3D9_DEVICE_METHOD_COUNT));
}
}
}
try
{
using (var d3dEx = new Direct3DEx())
{
DebugMessage("Hook: Direct3DEx...");
using (var renderForm = new Form())
{
using (
var deviceEx = new DeviceEx(d3dEx, 0, DeviceType.NullReference, IntPtr.Zero,
CreateFlags.HardwareVertexProcessing,
new PresentParameters
{
BackBufferWidth = 1,
BackBufferHeight = 1,
DeviceWindowHandle = renderForm.Handle
},
new DisplayModeEx {
Width = 800, Height = 600
}))
{
DebugMessage("Hook: DeviceEx created - PresentEx supported");
id3dDeviceFunctionAddresses.AddRange(GetVTblAddresses(deviceEx.NativePointer,
D3D9_DEVICE_METHOD_COUNT, D3D9Ex_DEVICE_METHOD_COUNT));
_supportsDirect3D9Ex = true;
}
}
}
}
catch (Exception)
{
_supportsDirect3D9Ex = false;
}
// We want to hook each method of the IDirect3DDevice9 interface that we are interested in
// 42 - EndScene (we will retrieve the back buffer here)
Direct3DDevice_EndSceneHook = new Hook <Direct3D9Device_EndSceneDelegate>(
id3dDeviceFunctionAddresses[(int)Direct3DDevice9FunctionOrdinals.EndScene],
// On Windows 7 64-bit w/ 32-bit app and d3d9 dll version 6.1.7600.16385, the address is equiv to:
// (IntPtr)(GetModuleHandle("d3d9").ToInt32() + 0x1ce09),
// A 64-bit app would use 0xff18
// Note: GetD3D9DeviceFunctionAddress will output these addresses to a log file
new Direct3D9Device_EndSceneDelegate(EndSceneHook),
this);
unsafe
{
// If Direct3D9Ex is available - hook the PresentEx
if (_supportsDirect3D9Ex)
{
Direct3DDeviceEx_PresentExHook = new Hook <Direct3D9DeviceEx_PresentExDelegate>(
id3dDeviceFunctionAddresses[(int)Direct3DDevice9ExFunctionOrdinals.PresentEx],
new Direct3D9DeviceEx_PresentExDelegate(PresentExHook),
this);
}
// Always hook Present also (device will only call Present or PresentEx not both)
Direct3DDevice_PresentHook = new Hook <Direct3D9Device_PresentDelegate>(
id3dDeviceFunctionAddresses[(int)Direct3DDevice9FunctionOrdinals.Present],
new Direct3D9Device_PresentDelegate(PresentHook),
this);
}
// 16 - Reset (called on resolution change or windowed/fullscreen change - we will reset some things as well)
Direct3DDevice_ResetHook = new Hook <Direct3D9Device_ResetDelegate>(
id3dDeviceFunctionAddresses[(int)Direct3DDevice9FunctionOrdinals.Reset],
// On Windows 7 64-bit w/ 32-bit app and d3d9 dll version 6.1.7600.16385, the address is equiv to:
//(IntPtr)(GetModuleHandle("d3d9").ToInt32() + 0x58dda),
// A 64-bit app would use 0x3b3a0
// Note: GetD3D9DeviceFunctionAddress will output these addresses to a log file
new Direct3D9Device_ResetDelegate(ResetHook),
this);
/*
* Don't forget that all hooks will start deactivated...
* The following ensures that all threads are intercepted:
* Note: you must do this for each hook.
*/
Direct3DDevice_EndSceneHook.Activate();
Hooks.Add(Direct3DDevice_EndSceneHook);
Direct3DDevice_PresentHook.Activate();
Hooks.Add(Direct3DDevice_PresentHook);
if (_supportsDirect3D9Ex)
{
Direct3DDeviceEx_PresentExHook.Activate();
Hooks.Add(Direct3DDeviceEx_PresentExHook);
}
Direct3DDevice_ResetHook.Activate();
Hooks.Add(Direct3DDevice_ResetHook);
DebugMessage("Hook: End");
}
