mirror of
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Hoist MOULOpenSourceClientPlugin/Plasma20/* to top level
to match H'uru layout and make patching/cherry-picking easier.
This commit is contained in:
rarified
243
Sources/Plasma/PubUtilLib/plAudio/plAudioCaps.cpp
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243
Sources/Plasma/PubUtilLib/plAudio/plAudioCaps.cpp
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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional permissions under GNU GPL version 3 section 7
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If you modify this Program, or any covered work, by linking or
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
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(or a modified version of those libraries),
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
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licensors of this Program grant you additional
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permission to convey the resulting work. Corresponding Source for a
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non-source form of such a combination shall include the source code for
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
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work.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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//////////////////////////////////////////////////////////////////////////////
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// //
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// plAudioCaps - Utility class to query and detect available audio options.//
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// //
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//////////////////////////////////////////////////////////////////////////////
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#include "HeadSpin.h"
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#include "al.h"
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#include "alc.h"
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#include "plEAXEffects.h"
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#include "plAudioCaps.h"
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#ifdef EAX_SDK_AVAILABLE
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#include <eax.h>
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#include <eaxlegacy.h>
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#endif
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#include <DShow.h>
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#include "../plStatusLog/plStatusLog.h"
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#define MAX_NUM_SOURCES 128
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#define kLogMe if( fLog != nil ) fLog->AddLineF(
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#define MAX_AUDIOCARD_NAME 256
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//////////////////////////////////////////////////////////////////////////////
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//// Detector Functions //////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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plAudioCaps plAudioCapsDetector::fCaps;
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hsBool plAudioCapsDetector::fGotCaps = false;
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plStatusLog *plAudioCapsDetector::fLog = nil;
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plAudioCapsDetector::plAudioCapsDetector()
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{
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}
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plAudioCapsDetector::~plAudioCapsDetector()
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{
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}
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//// Detect //////////////////////////////////////////////////////////////////
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// Our big function that does all of our work
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plAudioCaps &plAudioCapsDetector::Detect( hsBool logIt, hsBool init )
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{
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// If we already have the device capabilities, just return them
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if(fGotCaps) return fCaps;
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fCaps.fIsAvailable = true;
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ALCdevice * device;
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ALCcontext * context;
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if(init)
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{
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device = alcOpenDevice(0);
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if(!device)
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{
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fCaps.fIsAvailable = false;
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}
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context = alcCreateContext(device, 0);
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if(alGetError() != AL_NO_ERROR)
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{
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fCaps.fIsAvailable = false;
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}
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alcMakeContextCurrent(context);
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if(alGetError() != AL_NO_ERROR)
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{
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fCaps.fIsAvailable = false;
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}
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}
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EnumerateAudioDevices();
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if( logIt )
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fLog = plStatusLogMgr::GetInstance().CreateStatusLog( 30, "audioCaps.log" );
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else
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fLog = nil;
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kLogMe 0xff00ff00, "Starting audio caps detection..." );
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// find the max number of sources
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ALuint sources[MAX_NUM_SOURCES];
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ALuint i = 0;
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for(; i < MAX_NUM_SOURCES; i++)
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{
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alGenSources(1, &sources[i]);
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if(alGetError() != AL_NO_ERROR)
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break;
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fCaps.fMaxNumSources++;
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}
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alDeleteSources(i, sources);
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kLogMe 0xffffffff, "Max Number of sources: %d", i);
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plStatusLog::AddLineS("audio.log", "Max Number of sources: %d", i);
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// Detect EAX support
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kLogMe 0xff00ff00, "Attempting to detect EAX support..." );
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fCaps.fEAXAvailable = IDetectEAX( );
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kLogMe 0xff00ff00, "Audio caps detection COMPLETE." );
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delete fLog;
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fGotCaps = true; // We've got the device capabilities
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if(init)
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{
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alcMakeContextCurrent(nil);
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alcDestroyContext(context);
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alcCloseDevice(device);
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}
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return fCaps;
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}
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void plAudioCapsDetector::EnumerateAudioDevices()
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{
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ICreateDevEnum *pDevEnum;
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IEnumMoniker *pEnumMon;
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IMoniker *pMoniker;
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ULONG cFetched;
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HRESULT hr;
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char audioCardName[MAX_AUDIOCARD_NAME];
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short *pShort;
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// Enumerate audio devices
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hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void **)&pDevEnum);
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if(SUCCEEDED(hr))
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{
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hr = pDevEnum->CreateClassEnumerator(CLSID_AudioRendererCategory, &pEnumMon, 0);
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if(SUCCEEDED(hr))
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{
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while(pEnumMon->Next(1, &pMoniker, &cFetched) == S_OK)
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{
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if(pMoniker)
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{
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IPropertyBag *pPropBag;
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hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pPropBag);
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if(SUCCEEDED(hr))
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{
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VARIANT varName;
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VariantInit(&varName);
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hr = pPropBag->Read(L"FriendlyName", &varName, 0);
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memset(audioCardName, 0, MAX_AUDIOCARD_NAME);
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pShort = varName.piVal;
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// copy from wide character array to char array
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for(int i = 0; *pShort != 0 && i < MAX_AUDIOCARD_NAME; pShort++, i++)
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{
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audioCardName[i] = (char)*pShort;
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}
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if(SUCCEEDED(hr))
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{
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plStatusLog::AddLineS("audiocaps.log", audioCardName );
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}
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VariantClear(&varName);
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pPropBag->Release();
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}
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pMoniker->Release();
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}
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}
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pEnumMon->Release();
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}
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pDevEnum->Release();
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}
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}
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//// IDetectEAX //////////////////////////////////////////////////////////////
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// Attempt to actually init the EAX listener.Note that we can potentially do
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// this even if we didn't load the EAX Unified driver (we could just be
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// running EAX 3.0 native), so you can really just think of the EAX Unified
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// init code above as a way of trying to make sure this line here will
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// succeed as often as possible.
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hsBool plAudioCapsDetector::IDetectEAX( )
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{
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#ifdef EAX_SDK_AVAILABLE
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hsBool gotSupport = true;
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if(!alIsExtensionPresent((ALchar *)"EAX4.0")) // is eax 4 supported
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{
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if(!alIsExtensionPresent((ALchar *) "EAX4.0Emulated")) // is an earlier version of eax supported
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{
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kLogMe 0xff00ff00, "EAX not supported");
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gotSupport = false;
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}
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else
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{
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fCaps.fEAXUnified = true;
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kLogMe 0xff00ff00, "EAX 4 Emulated supported");
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}
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}
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else
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{
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kLogMe 0xff00ff00, "EAX 4 available");
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}
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return gotSupport;
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#else
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kLogMe 0xff00ff00, "EAX disabled in this build");
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return false;
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#endif
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}
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