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/*
Copyright (C) 2010 skuller.net
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "com_local.h"
#include "sys_public.h"
#include "qal_api.h"
#include <AL/alc.h>
#define QALC_IMP \
QAL( LPALCCREATECONTEXT, alcCreateContext ); \
QAL( LPALCMAKECONTEXTCURRENT, alcMakeContextCurrent ); \
QAL( LPALCPROCESSCONTEXT, alcProcessContext ); \
QAL( LPALCSUSPENDCONTEXT, alcSuspendContext ); \
QAL( LPALCDESTROYCONTEXT, alcDestroyContext ); \
QAL( LPALCGETCURRENTCONTEXT, alcGetCurrentContext ); \
QAL( LPALCGETCONTEXTSDEVICE, alcGetContextsDevice ); \
QAL( LPALCOPENDEVICE, alcOpenDevice ); \
QAL( LPALCCLOSEDEVICE, alcCloseDevice ); \
QAL( LPALCGETERROR, alcGetError ); \
QAL( LPALCISEXTENSIONPRESENT, alcIsExtensionPresent ); \
QAL( LPALCGETPROCADDRESS, alcGetProcAddress ); \
QAL( LPALCGETENUMVALUE, alcGetEnumValue ); \
QAL( LPALCGETSTRING, alcGetString ); \
QAL( LPALCGETINTEGERV, alcGetIntegerv ); \
QAL( LPALCCAPTUREOPENDEVICE, alcCaptureOpenDevice ); \
QAL( LPALCCAPTURECLOSEDEVICE, alcCaptureCloseDevice ); \
QAL( LPALCCAPTURESTART, alcCaptureStart ); \
QAL( LPALCCAPTURESTOP, alcCaptureStop ); \
QAL( LPALCCAPTURESAMPLES, alcCaptureSamples );
static cvar_t *al_driver;
static void *handle;
static ALCdevice *device;
static ALCcontext *context;
#define QAL(type,func) static type q##func;
QALC_IMP
#undef QAL
#define QAL(type,func) type q##func;
QAL_IMP
#undef QAL
void QAL_Shutdown( void ) {
if( context ) {
qalcMakeContextCurrent( NULL );
qalcDestroyContext( context );
context = NULL;
}
if( device ) {
qalcCloseDevice( device );
device = NULL;
}
#define QAL(type,func) q##func = NULL;
QALC_IMP
QAL_IMP
#undef QAL
Sys_FreeLibrary( handle );
handle = NULL;
}
qboolean QAL_Init( void ) {
al_driver = Cvar_Get( "al_driver", DEFAULT_OPENAL_DRIVER, 0 );
Sys_LoadLibrary( al_driver->string, NULL, &handle );
if( !handle ) {
return qfalse;
}
#define QAL(type,func) q##func = Sys_GetProcAddress( handle, #func );
QALC_IMP
QAL_IMP
#undef QAL
Com_DPrintf( "...opening OpenAL device: " );
device = qalcOpenDevice( NULL );
if( !device ) {
goto fail;
}
Com_DPrintf( "ok\n" );
Com_DPrintf( "...creating OpenAL context: " );
context = qalcCreateContext( device, NULL );
if( !context ) {
goto fail;
}
Com_DPrintf( "ok\n" );
Com_DPrintf( "...making context current: " );
if( !qalcMakeContextCurrent( context ) ) {
goto fail;
}
Com_DPrintf( "ok\n" );
return qtrue;
fail:
Com_DPrintf( "failed\n" );
QAL_Shutdown();
return qfalse;
}
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