std::shared_ptr<IDXGISwapChain3> CreateSwapChain( ID3D12Device * device, ID3D12CommandQueue * commandQueue, const HWND* hWnd, DXGI_SWAP_CHAIN_DESC* swapChainDesc)
{
IDXGISwapChain* swapChain;
IDXGISwapChain3* swapChain3;
DXGI_SWAP_CHAIN_DESC defaultDesc = {};
if (!swapChainDesc)
{
defaultDesc.BufferCount = 2;
defaultDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
defaultDesc.BufferDesc.Width = 1200;
defaultDesc.BufferDesc.Height = 900;
defaultDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
defaultDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
defaultDesc.OutputWindow = *hWnd;
defaultDesc.SampleDesc.Count = 1;
defaultDesc.Windowed = TRUE;
swapChainDesc = &defaultDesc;
}
DirectX::ThrowIfFailed(CreateFactory()->CreateSwapChain(
commandQueue,
swapChainDesc,
&swapChain
));
swapChain->QueryInterface(IID_PPV_ARGS(&swapChain3));
swapChain->Release();
return std::shared_ptr<IDXGISwapChain3>(swapChain3, ReleaseIUnknown);
}
void Edo::GetD3D11DeviceAndSwapchainVTable(HWND window, uintptr_t** ppDeviceVTable, uintptr_t** ppContextVTable, uintptr_t** ppSwapchainVTable)
{
ID3D11Device* pDevice;
ID3D11DeviceContext* pContext;
IDXGISwapChain* pSwapchain;
//Create dummy devices.
CreateD3D11DummyDeviceAndSwapchain(window, &pDevice, &pContext, &pSwapchain);
//Set the vtable pointers
if(ppDeviceVTable)
*ppDeviceVTable = (uintptr_t*)*(uintptr_t*)pDevice;
if(ppContextVTable)
*ppContextVTable = (uintptr_t*)*(uintptr_t*)pContext;
if(ppSwapchainVTable)
*ppSwapchainVTable = (uintptr_t*)*(uintptr_t*)pSwapchain;
//Cleanup.
pDevice->Release();
pContext->Release();
pSwapchain->Release();
}
//this function is exported and only called by CE when inside CE
void GetAddresses(void)
{
//create window and create a d3ddevice for dx9, dx10 and dx11H
OutputDebugStringA("GetAddresses()");
HRESULT hr=S_OK;
HWND x=0;
WNDCLASSEXW wcex;
ZeroMemory(&wcex, sizeof(wcex));
wcex.cbSize = sizeof( WNDCLASSEX );
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = DefWindowProc;//WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = GetModuleHandle(0);
wcex.hCursor = LoadCursor( NULL, IDC_ARROW );
wcex.hbrBackground = ( HBRUSH )( COLOR_WINDOW + 1 );
wcex.lpszMenuName = NULL;
wcex.lpszClassName = L"BLA";
if( !RegisterClassExW( &wcex ) )
OutputDebugStringA("Failure\n");
// Create window
RECT rc = { 0, 0, 640, 480 };
AdjustWindowRect( &rc, WS_OVERLAPPEDWINDOW, FALSE );
x = CreateWindowW( L"BLA", L"BLA",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, rc.right - rc.left, rc.bottom - rc.top, NULL, NULL, GetModuleHandle(0),
NULL );
if (x)
{
DXGI_SWAP_CHAIN_DESC sd;
ZeroMemory( &sd, sizeof( sd ) );
sd.BufferCount = 1;
sd.BufferDesc.Width = 640;
sd.BufferDesc.Height = 480;
sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
sd.BufferDesc.RefreshRate.Numerator = 60;
sd.BufferDesc.RefreshRate.Denominator = 1;
sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
sd.OutputWindow = x;
sd.SampleDesc.Count = 1;
sd.SampleDesc.Quality = 0;
sd.Windowed = TRUE;
IDXGISwapChain *pSwapChain;
ID3D10Device *pd3dDevice;
ID3D11Device *pd3dDevice11;
ID3D11DeviceContext *pd3dDevice11Context;
D3D_FEATURE_LEVEL fl;
HMODULE d3d11dll=LoadLibraryA("D3D11.dll");
if (d3d11dll)
{
d3d11create=(D3D11CREATEDEVICEANDSWAPCHAIN)GetProcAddress(d3d11dll, "D3D11CreateDeviceAndSwapChain");
hr=d3d11create( NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, 0, NULL, 0, D3D11_SDK_VERSION, &sd, &pSwapChain, &pd3dDevice11, &fl, &pd3dDevice11Context);
if (SUCCEEDED(hr))
{
//get the present function of the swapchain
uintptr_t *a=(uintptr_t *)*(uintptr_t *)pSwapChain;
a=(uintptr_t *)*(uintptr_t *)pd3dDevice11Context;
shared->d3d11_drawindexed=a[12]; //DrawIndexed(); //v
shared->d3d11_draw=a[13]; //Draw(); //v
shared->d3d11_drawindexedinstanced=a[20];
shared->d3d11_drawinstanced=a[21];
shared->d3d11_drawauto=a[38]; //v
//now cleanup
pSwapChain->Release();
pd3dDevice11Context->Release();
pd3dDevice11->Release();
}
}
else
OutputDebugStringA("D3D11.dll not loaded");
HMODULE d3d10dll=LoadLibraryA("D3D10.dll");
if (d3d10dll)
{
d3d10create=(D3D10CREATEDEVICEANDSWAPCHAIN)GetProcAddress(d3d10dll, "D3D10CreateDeviceAndSwapChain");
hr=d3d10create( NULL, D3D10_DRIVER_TYPE_HARDWARE, NULL, 0, D3D10_SDK_VERSION, &sd, &pSwapChain, &pd3dDevice );
if (SUCCEEDED(hr))
{
//get the present function of the swapchain
uintptr_t *a=(uintptr_t *)*(uintptr_t *)pSwapChain;
shared->dxgi_present=a[8]; //8th element is Present()
shared->dxgi_resizebuffers=a[13];
a=(uintptr_t *)*(uintptr_t *)pd3dDevice;
shared->d3d10_drawindexed=a[8]; //DrawIndexed(); //v
shared->d3d10_draw=a[9]; //Draw(); //v
shared->d3d10_drawindexedinstanced=a[14];
shared->d3d10_drawinstanced=a[15];
shared->d3d10_drawauto=a[28]; //v
//pd3dDevice->DrawIndexedInstanced(0,0,0,0,0);
//now cleanup
pSwapChain->Release();
pd3dDevice->Release();
}
}
else
OutputDebugStringA("D3D10 dll not loaded");
//now the same for d3d9 to get the present function of d3d9device
HMODULE d3d9dll=LoadLibraryA("D3D9.dll");
if (d3d9dll)
{
D3DCreate9=(DIRECT3DCREATE9)GetProcAddress(d3d9dll, "Direct3DCreate9");
if (D3DCreate9)
{
IDirect3D9 *d3d9=D3DCreate9(D3D_SDK_VERSION);
IDirect3DDevice9 *d3d9device;
if (d3d9)
{
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory( &d3dpp, sizeof(d3dpp) );
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_COPY;
hr=d3d9->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, x, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &d3d9device);
if (SUCCEEDED(hr))
{
if (d3d9device)
{
//get present address
uintptr_t *a=(uintptr_t *)*(uintptr_t *)d3d9device;
shared->d3d9_present=a[17]; //17th element is Present()
shared->d3d9_reset=a[16]; //16th element is reset
shared->d3d9_drawprimitive=a[81];
shared->d3d9_drawindexedprimitive=a[82];
shared->d3d9_drawprimitiveup=a[83];
shared->d3d9_drawindexedprimitiveup=a[84];
shared->d3d9_drawrectpatch=a[115];
shared->d3d9_drawtripatch=a[116];
//d3d9device->Present(NULL,NULL,0,NULL);
d3d9device->Release();
OutputDebugStringA("Success: Fetched the Direct3D9 method addresses");
}
else
OutputDebugStringA("d3d9device is NULL");
}
else
OutputDebugStringA("FAILED d3d9->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, x, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &d3d9device);");
d3d9->Release();
}
else
OutputDebugStringA("D3DCreate9 failed");
}
else
OutputDebugStringA("Direct3DCreate9 not found");
}
else
OutputDebugStringA("D3D9 dll not loaded");
DestroyWindow(x);
}
}
HRESULT DXManager::CreateSwapChain()
{
HRESULT hr = S_FALSE;
DXGI_SWAP_CHAIN_DESC swapChainDesc;
ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
// Set the swap chain to use double buffering.
swapChainDesc.BufferCount = 2;
// Set the height and width of the back buffers in the swap chain.
swapChainDesc.BufferDesc.Height = m_WindowHeight;
swapChainDesc.BufferDesc.Width = m_WindowWidth;
// Set a regular 32-bit surface for the back buffers.
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
// Set the usage of the back buffers to be render target outputs.
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
// Set the swap effect to discard the previous buffer contents after swapping.
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
// Set the handle for the window to render to.
swapChainDesc.OutputWindow = m_hWnd;
// Set to full screen or windowed mode.
if (m_FullScreen)
swapChainDesc.Windowed = false;
else
swapChainDesc.Windowed = true;
// Set the refresh rate of the back buffer.
if (m_VSYNC)
{
swapChainDesc.BufferDesc.RefreshRate.Numerator = m_Numerator;
swapChainDesc.BufferDesc.RefreshRate.Denominator = m_Denominator;
}
else
{
swapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
}
// Turn multisampling off.
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
// Set the scan line ordering and scaling to unspecified.
swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
// Don't set the advanced flags.
swapChainDesc.Flags = 0;
IDXGISwapChain* swapChain;
ZeroMemory(&swapChain, sizeof(IDXGISwapChain));
hr = m_Factory->CreateSwapChain(m_CommandQueue, &swapChainDesc, &swapChain);
if (FAILED(hr))
return hr;
hr = swapChain->QueryInterface(__uuidof(IDXGISwapChain3), (void**)&m_SwapChain);
if (FAILED(hr))
return hr;
D3D12_DESCRIPTOR_HEAP_DESC renderTargetViewHeapDesc;
ZeroMemory(&renderTargetViewHeapDesc, sizeof(D3D12_DESCRIPTOR_HEAP_DESC));
renderTargetViewHeapDesc.NumDescriptors = 2;
renderTargetViewHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
renderTargetViewHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
hr = m_Device->CreateDescriptorHeap(&renderTargetViewHeapDesc, __uuidof(ID3D12DescriptorHeap), (void**)&m_RenderTargetViewHeap);
if (FAILED(hr))
return hr;
D3D12_CPU_DESCRIPTOR_HANDLE renderTargetViewHandle;
ZeroMemory(&renderTargetViewHandle, sizeof(D3D12_CPU_DESCRIPTOR_HANDLE));
renderTargetViewHandle = m_RenderTargetViewHeap->GetCPUDescriptorHandleForHeapStart();
unsigned int renderTargetViewDescriptorSize = 0;
renderTargetViewDescriptorSize = m_Device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
hr = m_SwapChain->GetBuffer(0, __uuidof(ID3D12Resource), (void**)&m_BackBufferRenderTarget[0]);
if (FAILED(hr))
return hr;
m_Device->CreateRenderTargetView(m_BackBufferRenderTarget[0], NULL, renderTargetViewHandle);
renderTargetViewHandle.ptr += renderTargetViewDescriptorSize;
hr = m_SwapChain->GetBuffer(1, __uuidof(ID3D12Resource), (void**)&m_BackBufferRenderTarget[1]);
if (FAILED(hr))
return hr;
m_Device->CreateRenderTargetView(m_BackBufferRenderTarget[1], NULL, renderTargetViewHandle);
m_BufferIndex = m_SwapChain->GetCurrentBackBufferIndex();
swapChain->Release();
return hr;
}
/// Prepares DXGI and D3D10 data by trying to determining the module filepath
/// and function offsets in memory.
/// (This data can later be used for hooking / code injection.
///
/// Adjusts the data behind the global variables dxgi and d3d10.
void PrepareDXGI10(IDXGIAdapter1 *pAdapter, bool initializeDXGIData) {
if (!dxgi || !d3d10 || !pAdapter)
return;
ods("D3D10: Preparing static data for DXGI and D3D10 Injection");
d3d10->wcFileName[0] = 0;
d3d10->iOffsetAddRef = 0;
d3d10->iOffsetRelease = 0;
HMODULE hD3D10 = LoadLibrary("D3D10.DLL");
if (hD3D10 != NULL) {
HWND hwnd = CreateWindowW(L"STATIC", L"Mumble DXGI Window", WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 640, 480, 0,
NULL, NULL, 0);
D3D10CreateDeviceAndSwapChainType pD3D10CreateDeviceAndSwapChain = reinterpret_cast<D3D10CreateDeviceAndSwapChainType>(GetProcAddress(hD3D10, "D3D10CreateDeviceAndSwapChain"));
DXGI_SWAP_CHAIN_DESC desc;
ZeroMemory(&desc, sizeof(desc));
RECT rcWnd;
GetClientRect(hwnd, &rcWnd);
desc.BufferDesc.Width = rcWnd.right - rcWnd.left;
desc.BufferDesc.Height = rcWnd.bottom - rcWnd.top;
ods("D3D10: Got ClientRect W %d H %d", desc.BufferDesc.Width, desc.BufferDesc.Height);
desc.BufferDesc.RefreshRate.Numerator = 60;
desc.BufferDesc.RefreshRate.Denominator = 1;
desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
desc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
desc.BufferDesc.Scaling = DXGI_MODE_SCALING_CENTERED;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
desc.BufferCount = 2;
desc.OutputWindow = hwnd;
desc.Windowed = true;
desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
IDXGISwapChain *pSwapChain = NULL;
ID3D10Device *pDevice = NULL;
HRESULT hr = pD3D10CreateDeviceAndSwapChain(pAdapter, D3D10_DRIVER_TYPE_HARDWARE, NULL, 0, D3D10_SDK_VERSION, &desc, &pSwapChain, &pDevice);
if (FAILED(hr))
ods("D3D10: pD3D10CreateDeviceAndSwapChain failure!");
if (pDevice && pSwapChain) {
// For VC++ the vtable is located at the base addr. of the object and each function entry is a single pointer. Since p.e. the base classes
// of IDXGISwapChain have a total of 8 functions the 8+Xth entry points to the Xth added function in the derived interface.
void ***vtbl = (void ***) pSwapChain;
void *pPresent = (*vtbl)[8];
int offset = GetFnOffsetInModule(reinterpret_cast<voidFunc>(pPresent), dxgi->wcFileName, ARRAY_NUM_ELEMENTS(dxgi->wcFileName), "D3D10", "Present");
if (offset >= 0) {
if (initializeDXGIData) {
dxgi->iOffsetPresent = offset;
ods("D3D10: Successfully found Present offset: %ls: %d", dxgi->wcFileName, dxgi->iOffsetPresent);
} else {
if (dxgi->iOffsetPresent == offset) {
ods("D3D10: Successfully verified Present offset: %ls: %d", dxgi->wcFileName, dxgi->iOffsetPresent);
} else {
ods("D3D10: Failed to verify Present offset for %ls. Found %d, but previously found %d.", dxgi->wcFileName, offset, dxgi->iOffsetPresent);
}
}
}
void *pResize = (*vtbl)[13];
offset = GetFnOffsetInModule(reinterpret_cast<voidFunc>(pResize), dxgi->wcFileName, ARRAY_NUM_ELEMENTS(dxgi->wcFileName), "D3D10", "ResizeBuffers");
if (offset >= 0) {
if (initializeDXGIData) {
dxgi->iOffsetResize = offset;
ods("D3D10: Successfully found ResizeBuffers offset: %ls: %d", dxgi->wcFileName, dxgi->iOffsetResize);
} else {
if (dxgi->iOffsetResize == offset) {
ods("D3D10: Successfully verified ResizeBuffers offset: %ls: %d", dxgi->wcFileName, dxgi->iOffsetResize);
} else {
ods("D3D10: Failed to verify ResizeBuffers offset for %ls. Found %d, but previously found %d.", dxgi->wcFileName, offset, dxgi->iOffsetResize);
}
}
}
vtbl = (void ***) pDevice;
void *pAddRef = (*vtbl)[1];
offset = GetFnOffsetInModule(reinterpret_cast<voidFunc>(pAddRef), d3d10->wcFileName, ARRAY_NUM_ELEMENTS(d3d10->wcFileName), "D3D10", "AddRef");
if (offset >= 0) {
d3d10->iOffsetAddRef = offset;
ods("D3D10: Successfully found AddRef offset: %ls: %d", d3d10->wcFileName, d3d10->iOffsetAddRef);
}
void *pRelease = (*vtbl)[2];
offset = GetFnOffsetInModule(reinterpret_cast<voidFunc>(pRelease), d3d10->wcFileName, ARRAY_NUM_ELEMENTS(d3d10->wcFileName), "D3D10", "Release");
if (offset >= 0) {
d3d10->iOffsetRelease = offset;
ods("D3D10: Successfully found Release offset: %ls: %d", d3d10->wcFileName, d3d10->iOffsetRelease);
}
}
if (pDevice)
pDevice->Release();
if (pSwapChain)
pSwapChain->Release();
DestroyWindow(hwnd);
} else {
FreeLibrary(hD3D10);
}
}
bool TestDX11Present()
{
HMODULE hD3D11 = LoadLibrary("d3d11.dll");
if (!hD3D11)
{
Msg("* DX11: failed to load d3d11.dll");
return false;
}
FuncPtrD3D11CreateDeviceAndSwapChain pD3D11CreateDeviceAndSwapChain =
(FuncPtrD3D11CreateDeviceAndSwapChain)GetProcAddress(hD3D11, "D3D11CreateDeviceAndSwapChain");
if (!pD3D11CreateDeviceAndSwapChain)
{
Msg("* DX11: failed to get address of D3D11CreateDeviceAndSwapChain");
return false;
}
// Register class
WNDCLASSEX wcex;
ZeroMemory(&wcex, sizeof(wcex));
wcex.cbSize = sizeof( WNDCLASSEX );
wcex.lpfnWndProc = WndProc;
wcex.hInstance = GetModuleHandle(NULL);
wcex.lpszClassName = "TestDX11WindowClass";
if( !RegisterClassEx( &wcex ) )
{
Msg("* DX11: failed to register window class");
return false;
}
// Create window
HWND hWnd = CreateWindow( "TestDX11WindowClass", "",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, NULL, NULL );
DXGI_SWAP_CHAIN_DESC sd;
if (!hWnd)
{
Msg("* DX11: failed to create window");
return false;
}
HRESULT hr = E_FAIL;
ZeroMemory( &sd, sizeof( sd ) );
sd.BufferCount = 1;
sd.BufferDesc.Width = 800;
sd.BufferDesc.Height = 600;
sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
sd.BufferDesc.RefreshRate.Numerator = 60;
sd.BufferDesc.RefreshRate.Denominator = 1;
sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
sd.OutputWindow = hWnd;
sd.SampleDesc.Count = 1;
sd.SampleDesc.Quality = 0;
sd.Windowed = TRUE;
D3D_FEATURE_LEVEL pFeatureLevels[] = {D3D_FEATURE_LEVEL_11_0};
D3D_FEATURE_LEVEL FeatureLevel;
ID3D11Device* pd3dDevice = NULL;
ID3D11DeviceContext* pContext = NULL;
IDXGISwapChain* pSwapChain = NULL;
hr = pD3D11CreateDeviceAndSwapChain( NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, 0, pFeatureLevels, 1,
D3D11_SDK_VERSION, &sd, &pSwapChain, &pd3dDevice, &FeatureLevel, &pContext );
if (FAILED(hr))
Msg("* D3D11: device creation failed with hr=0x%08x", hr);
if (pContext) pContext->Release();
if (pSwapChain) pSwapChain->Release();
if (pd3dDevice) pd3dDevice->Release();
FreeLibrary(hD3D11);
DestroyWindow(hWnd);
return SUCCEEDED(hr);
}
result_t app_init_swapchain(struct app_swapchain* sc, HWND hwnd, uint width, uint height,
uint refresh_rate, int fullscreen, int vsync)
{
ASSERT(g_app);
HRESULT dxhr;
IDXGISwapChain* swapchain;
ID3D11Texture2D* backbuffer;
ID3D11RenderTargetView* rtv;
ID3D11Texture2D* depthstencil = NULL;
ID3D11DepthStencilView* dsv = NULL;
struct app_win* app = g_app;
DXGI_SWAP_CHAIN_DESC d3d_desc;
memset(&d3d_desc, 0x00, sizeof(d3d_desc));
if (width == 0 || height == 0) {
RECT wrc;
::GetClientRect(hwnd, &wrc);
width = wrc.right - wrc.left;
height = wrc.bottom - wrc.top;
}
d3d_desc.BufferDesc.Width = width;
d3d_desc.BufferDesc.Height = height;
d3d_desc.BufferDesc.RefreshRate.Numerator = refresh_rate;
d3d_desc.BufferDesc.RefreshRate.Denominator = 1;
d3d_desc.BufferDesc.Format = DEFAULT_DISPLAY_FORMAT;
d3d_desc.SampleDesc.Count = 1;
d3d_desc.SampleDesc.Quality = 0;
d3d_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
d3d_desc.BufferCount = BACKBUFFER_COUNT;
d3d_desc.Windowed = fullscreen ? FALSE : TRUE;
d3d_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
d3d_desc.Flags = fullscreen ? DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH : 0;
d3d_desc.OutputWindow = hwnd;
dxhr = app->dxgi_factory->CreateSwapChain(app->dev, &d3d_desc, &swapchain);
if (FAILED(dxhr)) {
err_print(__FILE__, __LINE__, "swapchain creation failed");
return NULL;
}
/* get BackBuffer and Create RenderTargetView from it */
if (FAILED(swapchain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&backbuffer))) {
swapchain->Release();
return RET_FAIL;
}
if (FAILED(app->dev->CreateRenderTargetView(backbuffer, NULL, &rtv))) {
backbuffer->Release();
swapchain->Release();
return RET_FAIL;
}
/* depth/stencil */
D3D11_TEXTURE2D_DESC ds_desc;
memset(&ds_desc, 0x00, sizeof(ds_desc));
ds_desc.ArraySize = 1;
ds_desc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
ds_desc.Format = DXGI_FORMAT_R24G8_TYPELESS;
ds_desc.MipLevels = 1;
ds_desc.SampleDesc.Count = 1;
ds_desc.Width = width;
ds_desc.Height = height;
if (FAILED(app->dev->CreateTexture2D(&ds_desc, NULL, &depthstencil))) {
backbuffer->Release();
swapchain->Release();
return RET_FAIL;
}
D3D11_DEPTH_STENCIL_VIEW_DESC ds_view;
memset(&ds_view, 0x00, sizeof(ds_view));
ds_view.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
ds_view.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
if (FAILED(app->dev->CreateDepthStencilView(depthstencil, &ds_view, &dsv))) {
depthstencil->Release();
backbuffer->Release();
swapchain->Release();
return RET_FAIL;
}
sc->sc = swapchain;
sc->backbuff = backbuffer;
sc->depthbuff = depthstencil;
sc->dsv = dsv;
sc->rtv = rtv;
sc->fullscreen = fullscreen;
return RET_OK;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR cmdLine, int cmdShow)
{
DXTInputHandlerDefault inputHandler;
DXTWindowEventHandlerDefault eventHandler;
DXTWindow window(hInstance, &inputHandler, &eventHandler);
DXTRenderParams params;
params.Extent = { 800, 600 };
params.UseVSync = true;
params.Windowed = true;
HRESULT result;
result = window.Initialize(params, "DXT Example (DirectX 11)");
if (SUCCEEDED(result))
{
ID3D11Device* device;
ID3D11DeviceContext* context;
IDXGISwapChain* swapChain;
result = DXTInitDevice(params, &window, &swapChain, &device, &context);
if (SUCCEEDED(result))
{
eventHandler.SetSwapChain(swapChain);
FLOAT clearColor[] = { 0.5f, 0.5f, 1.0f, 1.0f };
D3D11_INPUT_ELEMENT_DESC inputDesc[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, sizeof(float) * 3, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, sizeof(float) * 5, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
UINT elementCount = 3;
UINT stride = 8 * sizeof(FLOAT);
UINT offset = 0;
UINT indexCount = 0;
FLOAT deltaTime = 0.016f;
DXTSphericalCamera camera;
DXTFirstPersonCameraController cameraController(&camera, &inputHandler);
inputHandler.AddInputInterface(&cameraController);
cameraController.Velocity = 40.0f;
cameraController.RotationVelocity = 0.005f;
camera.Position = DirectX::XMFLOAT3(20.0f, 20.0f, 20.0f);
camera.LookAt(DirectX::XMFLOAT3(0.0f, 0.0f, 0.0f));
ID3D11RenderTargetView* renderTargetView;
ID3D11Texture2D* depthBuffer;
ID3D11DepthStencilView* depthBufferView;
ID3D11VertexShader* vertexShader;
ID3D11PixelShader* pixelShader;
DXTBytecodeBlob vertexBytecode;
ID3D11DepthStencilState* depthState;
ID3D11RasterizerState* rasterizerState;
ID3D11Buffer* vertexBuffer;
ID3D11Buffer* indexBuffer;
ID3D11InputLayout* inputLayout;
ID3D11Buffer* transformBuffer;
DXTCreateRenderTargetFromBackBuffer(swapChain, device, &renderTargetView);
DXTCreateDepthStencilBuffer(device, params.Extent.Width, params.Extent.Height, DXGI_FORMAT_D24_UNORM_S8_UINT, &depthBuffer, &depthBufferView);
DXTVertexShaderFromFile(device, "VertexShader.cso", &vertexShader, &vertexBytecode);
DXTPixelShaderFromFile(device, "PixelShader.cso", &pixelShader);
DXTCreateDepthStencilStateDepthTestEnabled(device, &depthState);
DXTCreateRasterizerStateSolid(device, &rasterizerState);
DXTLoadStaticMeshFromFile(device, "mesh.ase", DXTVertexAttributePosition | DXTVertexAttributeUV | DXTVertexAttributeNormal,
DXTIndexTypeShort, &vertexBuffer, &indexBuffer, &indexCount);
DXTCreateBuffer(device, sizeof(DirectX::XMFLOAT4X4) * 2, D3D11_BIND_CONSTANT_BUFFER, D3D11_CPU_ACCESS_WRITE, D3D11_USAGE_DYNAMIC, &transformBuffer);
device->CreateInputLayout(inputDesc, elementCount, vertexBytecode.Bytecode, vertexBytecode.BytecodeLength, &inputLayout);
vertexBytecode.Destroy();
window.Present(false);
while (!window.QuitMessageReceived())
{
window.MessagePump();
if (inputHandler.IsKeyDown(VK_ESCAPE))
break;
cameraController.Update(deltaTime);
XMFLOAT4X4 ViewProj;
XMFLOAT4X4 World;
camera.GetViewProjectionMatrix(&ViewProj, params.Extent);
XMStoreFloat4x4(&World, XMMatrixIdentity());
D3D11_MAPPED_SUBRESOURCE subres;
context->Map(transformBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &subres);
XMFLOAT4X4* ptr = (XMFLOAT4X4*)subres.pData;
ptr[0] = World;
ptr[1] = ViewProj;
context->Unmap(transformBuffer, 0);
D3D11_VIEWPORT viewport = { 0.0f, 0.0f, (FLOAT)params.Extent.Width, (FLOAT)params.Extent.Height, 0.0f, 1.0f };
context->ClearRenderTargetView(renderTargetView, clearColor);
context->ClearDepthStencilView(depthBufferView, D3D11_CLEAR_DEPTH, 1.0f, 0);
context->OMSetDepthStencilState(depthState, 0);
context->OMSetRenderTargets(1, &renderTargetView, depthBufferView);
context->RSSetState(rasterizerState);
context->RSSetViewports(1, &viewport);
context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
context->IASetVertexBuffers(0, 1, &vertexBuffer, &stride, &offset);
context->IASetIndexBuffer(indexBuffer, DXGI_FORMAT_R16_UINT, 0);
context->IASetInputLayout(inputLayout);
context->VSSetShader(vertexShader, nullptr, 0);
context->PSSetShader(pixelShader, nullptr, 0);
context->VSSetConstantBuffers(0, 1, &transformBuffer);
context->DrawIndexed(indexCount, 0, 0);
swapChain->Present(1, 0);
}
swapChain->SetFullscreenState(false, nullptr);
transformBuffer->Release();
depthBufferView->Release();
depthBuffer->Release();
inputLayout->Release();
vertexBuffer->Release();
indexBuffer->Release();
depthState->Release();
rasterizerState->Release();
vertexShader->Release();
pixelShader->Release();
renderTargetView->Release();
swapChain->Release();
context->Release();
device->Release();
}
window.Destroy();
}
}
extern "C" __declspec(dllexport) void __cdecl PrepareDXGI() {
// This function is called by the Mumble client in Mumble's scope
// mainly to extract the offsets of various functions in the IDXGISwapChain
// and IDXGIObject interfaces that need to be hooked in target
// applications. The data is stored in the dxgi shared memory structure.
if (! dxgi)
return;
ods("Preparing static data for DXGI Injection");
dxgi->wcDXGIFileName[0] = 0;
dxgi->wcD3D10FileName[0] = 0;
dxgi->iOffsetPresent = 0;
dxgi->iOffsetResize = 0;
dxgi->iOffsetAddRef = 0;
dxgi->iOffsetRelease = 0;
OSVERSIONINFOEXW ovi;
memset(&ovi, 0, sizeof(ovi));
ovi.dwOSVersionInfoSize = sizeof(ovi);
GetVersionExW(reinterpret_cast<OSVERSIONINFOW *>(&ovi));
if ((ovi.dwMajorVersion >= 7) || ((ovi.dwMajorVersion == 6) && (ovi.dwBuildNumber >= 6001))) { // Make sure this is vista or greater as quite a number of <=WinXP users have fake DX10 libs installed
HMODULE hD3D10 = LoadLibrary("D3D10.DLL");
HMODULE hDXGI = LoadLibrary("DXGI.DLL");
if (hDXGI != NULL && hD3D10 != NULL) {
CreateDXGIFactoryType pCreateDXGIFactory = reinterpret_cast<CreateDXGIFactoryType>(GetProcAddress(hDXGI, "CreateDXGIFactory"));
ods("Got %p", pCreateDXGIFactory);
if (pCreateDXGIFactory) {
HRESULT hr;
IDXGIFactory * pFactory;
hr = pCreateDXGIFactory(__uuidof(IDXGIFactory), (void**)(&pFactory));
if (pFactory) {
HWND hwnd = CreateWindowW(L"STATIC", L"Mumble DXGI Window", WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 640, 480, 0,
NULL, NULL, 0);
IDXGIAdapter *pAdapter = NULL;
pFactory->EnumAdapters(0, &pAdapter);
D3D10CreateDeviceAndSwapChainType pD3D10CreateDeviceAndSwapChain = reinterpret_cast<D3D10CreateDeviceAndSwapChainType>(GetProcAddress(hD3D10, "D3D10CreateDeviceAndSwapChain"));
IDXGISwapChain *pSwapChain = NULL;
ID3D10Device *pDevice = NULL;
DXGI_SWAP_CHAIN_DESC desc;
ZeroMemory(&desc, sizeof(desc));
RECT rcWnd;
GetClientRect(hwnd, &rcWnd);
desc.BufferDesc.Width = rcWnd.right - rcWnd.left;
desc.BufferDesc.Height = rcWnd.bottom - rcWnd.top;
ods("W %d H %d", desc.BufferDesc.Width, desc.BufferDesc.Height);
desc.BufferDesc.RefreshRate.Numerator = 60;
desc.BufferDesc.RefreshRate.Denominator = 1;
desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
desc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
desc.BufferDesc.Scaling = DXGI_MODE_SCALING_CENTERED;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
desc.BufferCount = 2;
desc.OutputWindow = hwnd;
desc.Windowed = true;
desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
hr = pD3D10CreateDeviceAndSwapChain(pAdapter, D3D10_DRIVER_TYPE_HARDWARE, NULL, 0, D3D10_SDK_VERSION, &desc, &pSwapChain, &pDevice);
if (pDevice && pSwapChain) {
HMODULE hRef;
// For VC++ the vtable is located at the base addr. of the object and each function entry is a single pointer. Since p.e. the base classes
// of IDXGISwapChain have a total of 8 functions the 8+Xth entry points to the Xth added function in the derived interface.
void ***vtbl = (void ***) pSwapChain;
void *pPresent = (*vtbl)[8];
if (! GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, (char *) pPresent, &hRef)) {
ods("DXGI: Failed to get module for Present");
} else {
GetModuleFileNameW(hRef, dxgi->wcDXGIFileName, 2048);
unsigned char *b = (unsigned char *) pPresent;
unsigned char *a = (unsigned char *) hRef;
dxgi->iOffsetPresent = b-a;
ods("DXGI: Successfully found Present offset: %ls: %d", dxgi->wcDXGIFileName, dxgi->iOffsetPresent);
}
void *pResize = (*vtbl)[13];
if (! GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, (char *) pResize, &hRef)) {
ods("DXGI: Failed to get module for ResizeBuffers");
} else {
wchar_t buff[2048];
GetModuleFileNameW(hRef, buff, 2048);
if (wcscmp(buff, dxgi->wcDXGIFileName) == 0) {
unsigned char *b = (unsigned char *) pResize;
unsigned char *a = (unsigned char *) hRef;
dxgi->iOffsetResize = b-a;
ods("DXGI: Successfully found ResizeBuffers offset: %ls: %d", dxgi->wcDXGIFileName, dxgi->iOffsetResize);
}
}
vtbl = (void ***) pDevice;
void *pAddRef = (*vtbl)[1];
if (! GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, (char *) pAddRef, &hRef)) {
ods("D3D10: Failed to get module for AddRef");
} else {
GetModuleFileNameW(hRef, dxgi->wcD3D10FileName, 2048);
unsigned char *b = (unsigned char *) pAddRef;
unsigned char *a = (unsigned char *) hRef;
dxgi->iOffsetAddRef = b-a;
ods("D3D10: Successfully found AddRef offset: %ls: %d", dxgi->wcD3D10FileName, dxgi->iOffsetAddRef);
}
void *pRelease = (*vtbl)[2];
if (! GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, (char *) pRelease, &hRef)) {
ods("D3D10: Failed to get module for Release");
} else {
wchar_t buff[2048];
GetModuleFileNameW(hRef, buff, 2048);
if (wcscmp(buff, dxgi->wcD3D10FileName) == 0) {
unsigned char *b = (unsigned char *) pRelease;
unsigned char *a = (unsigned char *) hRef;
dxgi->iOffsetRelease = b-a;
ods("D3D10: Successfully found Release offset: %ls: %d", dxgi->wcD3D10FileName, dxgi->iOffsetRelease);
}
}
}
if (pDevice)
pDevice->Release();
if (pSwapChain)
pSwapChain->Release();
DestroyWindow(hwnd);
pFactory->Release();
}
}
}
} else {
ods("No DXGI pre-Vista");
}
}
