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@ -18,6 +18,14 @@
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#include "nel/misc/system_utils.h"
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#ifdef NL_OS_WINDOWS
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#define INITGUID
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#include <ddraw.h>
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#include <windows.h>
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#include <string.h>
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#include <stdio.h>
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#include <dxgi.h>
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#include <initguid.h>
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#include <CGuid.h>
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# include <ObjBase.h>
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# ifdef _WIN32_WINNT_WIN7
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// only supported by Windows 7 Platform SDK
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@ -365,4 +373,234 @@ bool CSystemUtils::detectWindowedApplication()
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return false;
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}
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#ifdef NL_OS_WINDOWS
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#ifndef SAFE_RELEASE
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#define SAFE_RELEASE(p) { if (p) { (p)->Release(); (p) = NULL; } }
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#endif
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typedef HRESULT (WINAPI* LPDIRECTDRAWCREATE)(GUID FAR *lpGUID, LPDIRECTDRAW FAR *lplpDD, IUnknown FAR *pUnkOuter);
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typedef HRESULT (WINAPI* LPCREATEDXGIFACTORY)(REFIID, void**);
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static std::string FormatError(HRESULT hr)
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{
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std::string res;
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LPTSTR errorText = NULL;
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FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL, hr, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&errorText, 0, NULL);
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if (errorText)
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{
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res = NLMISC::toString("%s (0x%x)", errorText, hr);
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LocalFree(errorText);
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errorText = NULL;
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}
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return res;
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}
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struct SAdapter
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{
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uint id;
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std::string name;
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sint memory;
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GUID guid;
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HMONITOR hMonitor;
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bool found;
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SAdapter()
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{
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id = 0;
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memory = -1;
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guid = GUID_NULL;
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hMonitor = NULL;
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found = false;
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}
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};
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static std::list<SAdapter> s_dxgiAdapters;
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static void EnumerateUsingDXGI(IDXGIFactory *pDXGIFactory)
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{
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nlassert(pDXGIFactory != NULL);
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for(uint index = 0; ; ++index)
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{
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IDXGIAdapter *pAdapter = NULL;
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HRESULT hr = pDXGIFactory->EnumAdapters(index, &pAdapter);
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// DXGIERR_NOT_FOUND is expected when the end of the list is hit
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if (FAILED(hr)) break;
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DXGI_ADAPTER_DESC desc;
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memset(&desc, 0, sizeof(DXGI_ADAPTER_DESC));
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if (SUCCEEDED(pAdapter->GetDesc(&desc)))
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{
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SAdapter adapter;
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adapter.id = index;
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adapter.name = ucstring((ucchar*)desc.Description).toUtf8();
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adapter.memory = desc.DedicatedVideoMemory / 1024;
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adapter.found = true;
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nldebug("DXGI Adapter: %u - %s - DedicatedVideoMemory: %d KiB", index, adapter.name.c_str(), adapter.memory);
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s_dxgiAdapters.push_back(adapter);
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}
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SAFE_RELEASE(pAdapter);
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}
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}
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BOOL WINAPI DDEnumCallbackEx(GUID FAR* lpGUID, LPSTR lpDriverDescription, LPSTR lpDriverName, LPVOID lpContext, HMONITOR hm)
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{
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SAdapter * pAdapter = (SAdapter*)lpContext;
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if (pAdapter->hMonitor == hm)
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{
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pAdapter->name = lpDriverDescription;
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pAdapter->guid = *lpGUID;
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pAdapter->found = true;
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}
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return TRUE;
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}
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#endif
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sint CSystemUtils::getTotalVideoMemory()
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{
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sint res = -1;
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#ifdef NL_OS_WINDOWS
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// using DXGI
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HINSTANCE hDXGI = LoadLibraryA("dxgi.dll");
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if (hDXGI)
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{
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// We prefer the use of DXGI 1.1
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LPCREATEDXGIFACTORY pCreateDXGIFactory = (LPCREATEDXGIFACTORY)GetProcAddress(hDXGI, "CreateDXGIFactory1");
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if (!pCreateDXGIFactory)
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{
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pCreateDXGIFactory = (LPCREATEDXGIFACTORY)GetProcAddress(hDXGI, "CreateDXGIFactory");
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}
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if (pCreateDXGIFactory)
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{
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IDXGIFactory *pDXGIFactory = NULL;
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HRESULT hr = pCreateDXGIFactory(__uuidof(IDXGIFactory), (LPVOID*)&pDXGIFactory);
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if (SUCCEEDED(hr))
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{
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EnumerateUsingDXGI(pDXGIFactory);
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SAFE_RELEASE(pDXGIFactory);
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if (!s_dxgiAdapters.empty())
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{
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// TODO: determine what adapter is used by NeL
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res = s_dxgiAdapters.front().memory;
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}
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else
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{
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nlwarning("Unable to find an DXGI adapter");
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}
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}
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else
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{
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nlwarning("Unable to create DXGI factory");
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}
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}
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else
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{
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nlwarning("dxgi.dll missing entry-point");
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}
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FreeLibrary(hDXGI);
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}
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if (res == -1)
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{
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// using DirectDraw
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HMODULE hInstDDraw = LoadLibraryA("ddraw.dll");
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if (hInstDDraw)
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{
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SAdapter adapter;
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adapter.hMonitor = MonitorFromWindow(s_window, MONITOR_DEFAULTTONULL);
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LPDIRECTDRAWENUMERATEEXA pDirectDrawEnumerateEx = (LPDIRECTDRAWENUMERATEEXA)GetProcAddress(hInstDDraw, "DirectDrawEnumerateExA");
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LPDIRECTDRAWCREATE pDDCreate = (LPDIRECTDRAWCREATE)GetProcAddress(hInstDDraw, "DirectDrawCreate");
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if (pDirectDrawEnumerateEx && pDDCreate)
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{
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HRESULT hr = pDirectDrawEnumerateEx(DDEnumCallbackEx, (VOID*)&adapter, DDENUM_ATTACHEDSECONDARYDEVICES);
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if (SUCCEEDED(hr) && adapter.found)
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{
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LPDIRECTDRAW pDDraw = NULL;
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hr = pDDCreate(&adapter.guid, &pDDraw, NULL);
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if (SUCCEEDED(hr))
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{
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LPDIRECTDRAW7 pDDraw7 = NULL;
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hr = pDDraw->QueryInterface(IID_IDirectDraw7, (VOID**)&pDDraw7);
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if (SUCCEEDED(hr))
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{
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DDSCAPS2 ddscaps;
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memset(&ddscaps, 0, sizeof(DDSCAPS2));
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ddscaps.dwCaps = DDSCAPS_VIDEOMEMORY | DDSCAPS_LOCALVIDMEM;
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DWORD pdwAvailableVidMem;
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hr = pDDraw7->GetAvailableVidMem(&ddscaps, &pdwAvailableVidMem, NULL);
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if (SUCCEEDED(hr))
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{
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res = (sint)pdwAvailableVidMem / 1024;
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nlinfo("DirectDraw Adapter: %s - DedicatedVideoMemory: %d KiB", adapter.name.c_str(), adapter.memory);
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}
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else
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{
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nlwarning("Unable to get DirectDraw available video memory: %s", FormatError(hr).c_str());
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}
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SAFE_RELEASE(pDDraw7);
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}
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else
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{
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nlwarning("Unable to query IDirectDraw7 interface: %s", FormatError(hr).c_str());
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}
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}
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else
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{
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nlwarning("Unable to call DirectDrawCreate: %s", FormatError(hr).c_str());
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}
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}
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else
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{
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nlwarning("Unable to enumerate DirectDraw adapters (%s): %s", (adapter.found ? "found":"not found"), FormatError(hr).c_str());
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}
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}
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else
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{
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nlwarning("Unable to get pointer on DirectDraw functions (DirectDrawEnumerateExA %p, DirectDrawCreate %p)", pDirectDrawEnumerateEx, pDDCreate);
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}
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FreeLibrary(hInstDDraw);
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}
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else
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{
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nlwarning("Unable to load ddraw.dll");
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}
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}
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#else
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// TODO: implement for other systems
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#endif
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return res;
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}
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} // NLMISC
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kervala
9 years ago