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Added option to control dynamic loading of OpenAL

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Dynamic loading is enabled by default, set DYN_OPENAL to OFF to link with static or dynamic library

# Conflicts:
#	src/sound/oalsound.cpp
#	src/sound/oalsound.h
This commit is contained in:
alexey.lysiuk 2016-02-11 14:07:01 +02:00 committed by Christoph Oelckers
parent 243030046a
commit 5348a15b75
4 changed files with 36 additions and 21 deletions
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21
src/CMakeLists.txt
View file

@ -28,6 +28,7 @@ if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
endif()
option( DYN_FLUIDSYNTH "Dynamically load fluidsynth" ON )
option( DYN_OPENAL "Dynamically load OpenAL" ON )
if( APPLE )
option( OSX_COCOA_BACKEND "Use native Cocoa backend instead of SDL" ON )
@ -226,13 +227,23 @@ endif()
if( NOT NO_OPENAL )
find_package( OpenAL )
find_package( OpenAL )
mark_as_advanced(CLEAR OPENAL_INCLUDE_DIR)
if( OPENAL_INCLUDE_DIR )
include_directories( ${OPENAL_INCLUDE_DIR} )
else()
if( OPENAL_INCLUDE_DIR )
include_directories( ${OPENAL_INCLUDE_DIR} )
if( DYN_OPENAL )
add_definitions( -DDYN_OPENAL )
else()
mark_as_advanced(CLEAR OPENAL_LIBRARY)
if( OPENAL_LIBRARY )
set( ZDOOM_LIBS ${OPENAL_LIBRARY} ${ZDOOM_LIBS} )
else()
set( NO_OPENAL ON )
endif()
endif()
else()
set( NO_OPENAL ON )
endif()
endif()
endif()
if( NOT NO_FMOD )

2
src/sound/oalload.h
View file

@ -1,7 +1,7 @@
#ifndef OALDEF_H
#define OALDEF_H
#ifndef NO_OPENAL
#if !defined NO_OPENAL && defined DYN_OPENAL
#ifndef _WIN32
typedef void* FARPROC;

32
src/sound/oalsound.cpp
View file

@ -83,6 +83,8 @@ bool IsOpenALPresent()
{
#ifdef NO_OPENAL
return false;
#elif !defined DYN_OPENAL
return true;
#else
static bool cached_result = false;
static bool done = false;
@ -425,10 +427,10 @@ public:
virtual bool IsEnded()
{
return !Playing.load();
}
}
virtual FString GetStats()
{
{
FString stats;
size_t pos, len;
ALfloat volume;
@ -1538,24 +1540,24 @@ FISoundChannel *OpenALSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener
else
{
alSourcei(source, AL_SOURCE_RELATIVE, AL_FALSE);
alSource3f(source, AL_POSITION, dir[0], dir[1], -dir[2]);
}
alSource3f(source, AL_POSITION, dir[0], dir[1], -dir[2]);
}
}
else
{
FVector3 dir = pos;
if(AL.EXT_SOURCE_RADIUS)
alSourcef(source, AL_SOURCE_RADIUS, (chanflags&SNDF_AREA) ? AREA_SOUND_RADIUS : 0.f);
else if((chanflags&SNDF_AREA) && dist_sqr < AREA_SOUND_RADIUS*AREA_SOUND_RADIUS)
{
else if((chanflags&SNDF_AREA) && dist_sqr < AREA_SOUND_RADIUS*AREA_SOUND_RADIUS)
{
dir -= listener->position;
float mindist = rolloff->MinDistance/distscale;
FVector3 amb(0.f, !(dir.Y>=0.f) ? -mindist : mindist, 0.f);
float a = sqrtf(dist_sqr) / AREA_SOUND_RADIUS;
dir = amb + (dir-amb)*a;
float mindist = rolloff->MinDistance/distscale;
FVector3 amb(0.f, !(dir.Y>=0.f) ? -mindist : mindist, 0.f);
float a = sqrtf(dist_sqr) / AREA_SOUND_RADIUS;
dir = amb + (dir-amb)*a;
dir += listener->position;
dir += listener->position;
}
if(dist_sqr < (0.0004f*0.0004f))
{
@ -1566,8 +1568,8 @@ FISoundChannel *OpenALSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener
else
{
alSourcei(source, AL_SOURCE_RELATIVE, AL_FALSE);
alSource3f(source, AL_POSITION, dir[0], dir[1], -dir[2]);
}
alSource3f(source, AL_POSITION, dir[0], dir[1], -dir[2]);
}
}
alSource3f(source, AL_VELOCITY, vel[0], vel[1], -vel[2]);
alSource3f(source, AL_DIRECTION, 0.f, 0.f, 0.f);
@ -1799,7 +1801,7 @@ void OpenALSoundRenderer::UpdateSoundParams3D(SoundListener *listener, FISoundCh
{
float gain = GetRolloff(&chan->Rolloff, sqrtf(chan->DistanceSqr)*chan->DistanceScale);
dir.MakeResize((gain > 0.00001f) ? 1.f/gain : 100000.f);
}
}
}
else if(!AL.EXT_SOURCE_RADIUS && areasound &&
chan->DistanceSqr < AREA_SOUND_RADIUS*AREA_SOUND_RADIUS)
@ -1822,7 +1824,7 @@ void OpenALSoundRenderer::UpdateSoundParams3D(SoundListener *listener, FISoundCh
else
{
alSourcei(source, AL_SOURCE_RELATIVE, AL_FALSE);
alSource3f(source, AL_POSITION, dir[0], dir[1], -dir[2]);
alSource3f(source, AL_POSITION, dir[0], dir[1], -dir[2]);
}
alSource3f(source, AL_VELOCITY, vel[0], vel[1], -vel[2]);
getALError();

2
src/sound/oalsound.h
View file

@ -12,7 +12,9 @@
#ifndef NO_OPENAL
#ifdef DYN_OPENAL
#define AL_NO_PROTOTYPES
#endif // DYN_OPENAL
#include "al.h"
#include "alc.h"