LPTA_RESULT LptaRenderer::CreateDevice(std::string api)
{
if (api == "Direct3D") {
dllHandle = LoadLibrary(L"LaputaD3D.dll");
if (!dllHandle) {
MessageBox(NULL, L"Loading LaputaD3D.dll failed.", L"LaputaEngine - error",
MB_OK | MB_ICONERROR);
return LPTA_RDR_FAIL;
}
}
else {
std::wstringstream ss;
ss << "API " << api.c_str() << " not supported";
MessageBox(NULL, ss.str().c_str(), L"LaputaEngine - error",
MB_OK | MB_ICONERROR);
return LPTA_RDR_FAIL;
}
CREATERENDERDEVICE _CreateRenderDevice = 0;
HRESULT hr;
_CreateRenderDevice = (CREATERENDERDEVICE)GetProcAddress(dllHandle, "CreateRenderDevice");
if (!_CreateRenderDevice) {
LPVOID errorMessage;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
0, // Default language
(LPWSTR) &errorMessage,
0,
NULL
);
MessageBox(NULL, (LPWSTR) errorMessage, L"LaputaEngine - error", MB_OK | MB_ICONERROR);
return LPTA_RDR_FAIL;
}
hr = _CreateRenderDevice(dllHandle, renderDevice);
if (FAILED(hr)) {
MessageBox(NULL, L"CreateRenderDevice() from lib failed.", L"LaputaEngine - error", MB_OK | MB_ICONERROR);
renderDevice = NULL;
return LPTA_RDR_FAIL;
}
return LPTA_OK;
}
AI_RESULT nAhmadENGINE::createRenderDevice( const c8 *deviceName )
{
typedef AI_RESULT ( *CREATERENDERDEVICE )( HINSTANCE, Video::IRenderDevice **, IAhmadENGINE * );
if (strcmp(deviceName, "Direct3D") == 0)
{
m_hDLL = LoadLibrary("renderD3D.dll");
if (!m_hDLL)
{
Platform::IForms::AlertOK( "nAhmadENGINE::CreateDevice(): Error loading library.", "ERROR" );
return AI_FAIL;
}
}
else
{
Platform::IForms::AlertOK( "nAhmadENGINE::CreateDevice(): Rendering API not supported.", "ERROR" );
return AI_FAIL;
}
CREATERENDERDEVICE _CreateRenderDevice = 0;
HRESULT hr = 0;
_CreateRenderDevice = (CREATERENDERDEVICE)GetProcAddress(m_hDLL, "CreateRenderDevice");
if (!_CreateRenderDevice)
{
MessageBox(0, "nAhmadENGINE::CreateDevice(): Error sniffing library.", "ERROR", MB_OK | MB_ICONERROR);
return E_FAIL;
}
hr = _CreateRenderDevice(m_hDLL, &m_pDevice, this);
if (FAILED(hr))
{
MessageBox(0, "nAhmadENGINE::CreateDevice(): Device creation error.", "ERROR", MB_OK | MB_ICONERROR);
m_pDevice = NULL;
return E_FAIL;
}
return S_OK;
}