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Use structs to store available extensions

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This commit is contained in:
Chris Robinson 2014-06-19 23:49:46 -07:00
parent 0f234fb36d
commit 42fdc3c059
2 changed files with 21 additions and 17 deletions
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25
src/sound/oalsound.cpp
View file

@ -555,8 +555,7 @@ static void LoadALFunc(const char *name, T *x)
{ *x = reinterpret_cast<T>(alGetProcAddress(name)); }
OpenALSoundRenderer::OpenALSoundRenderer()
: Device(NULL), Context(NULL), SrcDistanceModel(false), SFXPaused(0),
PrevEnvironment(NULL), EnvSlot(0)
: Device(NULL), Context(NULL), SFXPaused(0), PrevEnvironment(NULL), EnvSlot(0)
{
EnvFilters[0] = EnvFilters[1] = 0;
@ -592,8 +591,6 @@ OpenALSoundRenderer::OpenALSoundRenderer()
DPrintf(" ALC Version: "TEXTCOLOR_BLUE"%d.%d\n", major, minor);
DPrintf(" ALC Extensions: "TEXTCOLOR_ORANGE"%s\n", alcGetString(Device, ALC_EXTENSIONS));
DisconnectNotify = alcIsExtensionPresent(Device, "ALC_EXT_disconnect");
std::vector<ALCint> attribs;
if(*snd_samplerate > 0)
{
@ -627,13 +624,15 @@ OpenALSoundRenderer::OpenALSoundRenderer()
DPrintf(" Version: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_VERSION));
DPrintf(" Extensions: "TEXTCOLOR_ORANGE"%s\n", alGetString(AL_EXTENSIONS));
SrcDistanceModel = alIsExtensionPresent("AL_EXT_source_distance_model");
LoopPoints = alIsExtensionPresent("AL_SOFT_loop_points");
ALC.EXT_EFX = alcIsExtensionPresent(Device, "ALC_EXT_EFX");
ALC.EXT_disconnect = alcIsExtensionPresent(Device, "ALC_EXT_disconnect");;
AL.EXT_source_distance_model = alIsExtensionPresent("AL_EXT_source_distance_model");
AL.SOFT_loop_points = alIsExtensionPresent("AL_SOFT_loop_points");
alDopplerFactor(0.5f);
alSpeedOfSound(343.3f * 96.0f);
alDistanceModel(AL_INVERSE_DISTANCE);
if(SrcDistanceModel)
if(AL.EXT_source_distance_model)
alEnable(AL_SOURCE_DISTANCE_MODEL);
ALenum err = getALError();
@ -676,7 +675,7 @@ OpenALSoundRenderer::OpenALSoundRenderer()
DPrintf(" Allocated "TEXTCOLOR_BLUE"%zu"TEXTCOLOR_NORMAL" sources\n", Sources.size());
WasInWater = false;
if(*snd_efx && alcIsExtensionPresent(Device, "ALC_EXT_EFX"))
if(*snd_efx && ALC.EXT_EFX)
{
// EFX function pointers
#define LOAD_FUNC(x) (LoadALFunc(#x, &x))
@ -920,7 +919,7 @@ SoundHandle OpenALSoundRenderer::LoadSoundRaw(BYTE *sfxdata, int length, int fre
return retval;
}
if((loopstart > 0 || loopend > 0) && LoopPoints)
if((loopstart > 0 || loopend > 0) && AL.SOFT_loop_points)
{
if(loopstart < 0)
loopstart = 0;
@ -1176,7 +1175,7 @@ FISoundChannel *OpenALSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener
{
if(rolloff->RolloffType == ROLLOFF_Log)
{
if(SrcDistanceModel)
if(AL.EXT_source_distance_model)
alSourcei(source, AL_DISTANCE_MODEL, AL_INVERSE_DISTANCE);
alSourcef(source, AL_REFERENCE_DISTANCE, rolloff->MinDistance/distscale);
alSourcef(source, AL_MAX_DISTANCE, (1000.f+rolloff->MinDistance)/distscale);
@ -1184,7 +1183,7 @@ FISoundChannel *OpenALSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener
manualGain = false;
gain = 1.f;
}
else if(rolloff->RolloffType == ROLLOFF_Linear && SrcDistanceModel)
else if(rolloff->RolloffType == ROLLOFF_Linear && AL.EXT_source_distance_model)
{
alSourcei(source, AL_DISTANCE_MODEL, AL_LINEAR_DISTANCE);
alSourcef(source, AL_REFERENCE_DISTANCE, rolloff->MinDistance/distscale);
@ -1196,7 +1195,7 @@ FISoundChannel *OpenALSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener
}
if(manualGain)
{
if(SrcDistanceModel)
if(AL.EXT_source_distance_model)
alSourcei(source, AL_DISTANCE_MODEL, AL_NONE);
if((chanflags&SNDF_AREA) && rolloff->MinDistance < 32.f)
alSourcef(source, AL_REFERENCE_DISTANCE, 32.f/distscale);
@ -1532,7 +1531,7 @@ void OpenALSoundRenderer::UpdateSounds()
foreach(SoundStream*, stream, Streams)
(*stream)->IsEnded();
if(DisconnectNotify)
if(ALC.EXT_disconnect)
{
ALCint connected = ALC_TRUE;
alcGetIntegerv(Device, ALC_CONNECTED, 1, &connected);

13
src/sound/oalsound.h
View file

@ -122,6 +122,15 @@ public:
virtual FString GatherStats();
private:
struct {
bool EXT_EFX;
bool EXT_disconnect;
} ALC;
struct {
bool EXT_source_distance_model;
bool SOFT_loop_points;
} AL;
// EFX Extension function pointer variables. Loaded after context creation
// if EFX is supported. These pointers may be context- or device-dependant,
// thus can't be static
@ -170,10 +179,6 @@ private:
ALCdevice *Device;
ALCcontext *Context;
bool LoopPoints;
bool SrcDistanceModel;
bool DisconnectNotify;
std::vector<ALuint> Sources;
ALfloat SfxVolume;