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-rw-r--r--code/client/snd_openal.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/code/client/snd_openal.c b/code/client/snd_openal.c
index d4ad7f4..fc7a31a 100644
--- a/code/client/snd_openal.c
+++ b/code/client/snd_openal.c
@@ -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 )