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- Add device enumeration support on windows and make "Generic Software" new default device as that one seems to work more reliably on many platforms.

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- Add shfolder.lib library to dependencies in MSVC project files
- update documentation for OpenAL changes.
This commit is contained in:
Thilo Schulz 2006-08-19 11:02:20 +00:00
parent 4450057eb7
commit 87a3858f9a
5 changed files with 94 additions and 7 deletions
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75
code/client/snd_openal.c
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@ -38,6 +38,10 @@ cvar_t *s_alDopplerSpeed;
cvar_t *s_alMinDistance;
cvar_t *s_alRolloff;
cvar_t *s_alDriver;
#ifdef _WIN32
cvar_t *s_alDevice;
cvar_t *s_alAvailableDevices;
#endif
cvar_t *s_alMaxSpeakerDistance;
/*
@ -1525,6 +1529,7 @@ static ALCcontext *alContext;
#ifdef _WIN32
#define ALDRIVER_DEFAULT "OpenAL32.dll"
#define ALDEVICE_DEFAULT "Generic Software"
#elif defined(MACOS_X)
#define ALDRIVER_DEFAULT "/System/Library/Frameworks/OpenAL.framework/OpenAL"
#else
@ -1672,6 +1677,10 @@ void S_AL_SoundInfo( void )
Com_Printf( " Vendor: %s\n", qalGetString( AL_VENDOR ) );
Com_Printf( " Version: %s\n", qalGetString( AL_VERSION ) );
Com_Printf( " Renderer: %s\n", qalGetString( AL_RENDERER ) );
#ifdef _WIN32
if(qalcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT"))
Com_Printf( " Device: %s\n", qalcGetString(alDevice, ALC_DEVICE_SPECIFIER) );
#endif
Com_Printf( " Extensions: %s\n", qalGetString( AL_EXTENSIONS ) );
}
@ -1713,6 +1722,11 @@ S_AL_Init
qboolean S_AL_Init( soundInterface_t *si )
{
#if USE_OPENAL
#ifdef _WIN32
qboolean enumsupport, founddev = qfalse;
#endif
if( !si ) {
return qfalse;
}
@ -1736,8 +1750,64 @@ qboolean S_AL_Init( soundInterface_t *si )
return qfalse;
}
#ifdef _WIN32
// Device enumeration support on windows.
if((enumsupport = qalcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT")))
{
char *devicelist, devicenames[8192] = "";
char *defaultdevice;
int curlen;
qboolean hasbegun = qfalse;
// get all available devices + the default device name.
devicelist = qalcGetString(NULL, ALC_DEVICE_SPECIFIER);
defaultdevice = qalcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
// check whether the default device is generic hardware. If it is, change to
// Generic Software as that one works more reliably with various sound systems.
// If it's not, use OpenAL's default selection as we don't want to ignore
// native hardware acceleration.
if(!strcmp(defaultdevice, "Generic Hardware"))
s_alDevice = Cvar_Get("s_alDevice", ALDEVICE_DEFAULT, CVAR_ARCHIVE | CVAR_LATCH);
else
s_alDevice = Cvar_Get("s_alDevice", defaultdevice, CVAR_ARCHIVE | CVAR_LATCH);
// dump a list of available devices to a cvar for the user to see.
while((curlen = strlen(devicelist)))
{
if(hasbegun)
Q_strcat(devicenames, sizeof(devicenames), ", ");
Q_strcat(devicenames, sizeof(devicenames), devicelist);
hasbegun = qtrue;
// check whether the device we want to load is available at all.
if(!strcmp(s_alDevice->string, devicelist))
founddev = qtrue;
s_alDevice->string;
devicelist += curlen + 1;
}
s_alAvailableDevices = Cvar_Get("s_alAvailableDevices", devicenames, CVAR_ROM | CVAR_NORESTART);
if(!founddev)
{
Cvar_ForceReset("s_alDevice");
founddev = 1;
}
}
if(founddev)
alDevice = qalcOpenDevice(s_alDevice->string);
else
alDevice = qalcOpenDevice(NULL);
#else // _WIN32
// Open default device
alDevice = qalcOpenDevice( NULL );
#endif
if( !alDevice )
{
QAL_Shutdown( );
@ -1745,6 +1815,11 @@ qboolean S_AL_Init( soundInterface_t *si )
return qfalse;
}
#ifdef _WIN32
if(enumsupport)
Cvar_Set("s_alDevice", qalcGetString(alDevice, ALC_DEVICE_SPECIFIER));
#endif
// Create OpenAL context
alContext = qalcCreateContext( alDevice, NULL );
if( !alContext )