nel/src/sound/driver/openal/ext_al.cpp

   1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #include "stdopenal.h"
  18 #include "ext_al.h"
  19
  20 extern "C"
  21 {
  22
  23 void alExtInit()
  24 {
  25         nldebug("AL: Initializing extensions");
  26
  27         if ((AlEnumerationExt = (alcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT") == AL_TRUE)) == true)
  28         {
  29                 // ...
  30         }
  31
  32         if ((AlEnumerateAllExt = (alcIsExtensionPresent(NULL, "ALC_ENUMERATE_ALL_EXT") == AL_TRUE)) == true)
  33         {
  34                 // ...
  35         }
  36 }
  37
  38 void alExtInitDevice(ALCdevice *device)
  39 {
  40         nldebug("AL: Initializing device extensions");
  41
  42 #if EAX_AVAILABLE
  43         // EAX
  44         if (AlExtEax = (alIsExtensionPresent("EAX") == AL_TRUE))
  45         {
  46                 eaxSet = (EAXSet)alGetProcAddress("EAXSet");
  47                 eaxGet = (EAXGet)alGetProcAddress("EAXGet");
  48                 if (!eaxSet || !eaxGet)
  49                 {
  50                         nlwarning("AL: EAX alGetProcAddress failed");
  51                         AlExtEax = false;
  52                 }
  53         }
  54 #endif
  55
  56         // EAX-RAM
  57         if ((AlExtXRam = ((alIsExtensionPresent("EAX-RAM") == AL_TRUE)
  58                 || (alIsExtensionPresent("EAX_RAM") == AL_TRUE))) == true)
  59         {
  60                 eaxSetBufferMode = (EAXSetBufferMode)alGetProcAddress("EAXSetBufferMode");
  61                 eaxGetBufferMode = (EAXGetBufferMode)alGetProcAddress("EAXGetBufferMode");
  62                 if (!eaxSetBufferMode || !eaxGetBufferMode)
  63                 {
  64                         nlwarning("AL: EAX-RAM alGetProcAddress failed");
  65                         AlExtXRam = false;
  66                 }
  67         }
  68
  69 // Windows and Mac OS always link to shared OpenAL library
  70 #if defined(NL_OS_WINDOWS) || defined(NL_OS_MAC) || !defined(NL_STATIC)
  71         // EFX
  72         if ((AlExtEfx = (alcIsExtensionPresent(device, "ALC_EXT_EFX") == ALC_TRUE)) == true)
  73         {
  74                 // effect objects
  75                 alGenEffects = (LPALGENEFXOBJECTS)alGetProcAddress("alGenEffects");
  76                 alDeleteEffects = (LPALDELETEEFXOBJECTS)alGetProcAddress("alDeleteEffects");
  77                 alIsEffect = (LPALISEFXOBJECT)alGetProcAddress("alIsEffect");
  78                 alEffecti = (LPALEFXOBJECTI)alGetProcAddress("alEffecti");
  79                 alEffectiv = (LPALEFXOBJECTIV)alGetProcAddress("alEffectiv");
  80                 alEffectf = (LPALEFXOBJECTF)alGetProcAddress("alEffectf");
  81                 alEffectfv = (LPALEFXOBJECTFV)alGetProcAddress("alEffectfv");
  82                 alGetEffecti = (LPALGETEFXOBJECTI)alGetProcAddress("alGetEffecti");
  83                 alGetEffectiv = (LPALGETEFXOBJECTIV)alGetProcAddress("alGetEffectiv");
  84                 alGetEffectf = (LPALGETEFXOBJECTF)alGetProcAddress("alGetEffectf");
  85                 alGetEffectfv = (LPALGETEFXOBJECTFV)alGetProcAddress("alGetEffectfv");
  86                 // effect objects
  87                 alGenFilters = (LPALGENEFXOBJECTS)alGetProcAddress("alGenFilters");
  88                 alDeleteFilters = (LPALDELETEEFXOBJECTS)alGetProcAddress("alDeleteFilters");
  89                 alIsFilter = (LPALISEFXOBJECT)alGetProcAddress("alIsFilter");
  90                 alFilteri = (LPALEFXOBJECTI)alGetProcAddress("alFilteri");
  91                 alFilteriv = (LPALEFXOBJECTIV)alGetProcAddress("alFilteriv");
  92                 alFilterf = (LPALEFXOBJECTF)alGetProcAddress("alFilterf");
  93                 alFilterfv = (LPALEFXOBJECTFV)alGetProcAddress("alFilterfv");
  94                 alGetFilteri = (LPALGETEFXOBJECTI)alGetProcAddress("alGetFilteri");
  95                 alGetFilteriv = (LPALGETEFXOBJECTIV)alGetProcAddress("alGetFilteriv");
  96                 alGetFilterf = (LPALGETEFXOBJECTF)alGetProcAddress("alGetFilterf");
  97                 alGetFilterfv = (LPALGETEFXOBJECTFV)alGetProcAddress("alGetFilterfv");
  98                 // submix objects
  99                 alGenAuxiliaryEffectSlots = (LPALGENEFXOBJECTS)alGetProcAddress("alGenAuxiliaryEffectSlots");
 100                 alDeleteAuxiliaryEffectSlots = (LPALDELETEEFXOBJECTS)alGetProcAddress("alDeleteAuxiliaryEffectSlots");
 101                 alIsAuxiliaryEffectSlot = (LPALISEFXOBJECT)alGetProcAddress("alIsAuxiliaryEffectSlot");
 102                 alAuxiliaryEffectSloti = (LPALEFXOBJECTI)alGetProcAddress("alAuxiliaryEffectSloti");
 103                 alAuxiliaryEffectSlotiv = (LPALEFXOBJECTIV)alGetProcAddress("alAuxiliaryEffectSlotiv");
 104                 alAuxiliaryEffectSlotf = (LPALEFXOBJECTF)alGetProcAddress("alAuxiliaryEffectSlotf");
 105                 alAuxiliaryEffectSlotfv = (LPALEFXOBJECTFV)alGetProcAddress("alAuxiliaryEffectSlotfv");
 106                 alGetAuxiliaryEffectSloti = (LPALGETEFXOBJECTI)alGetProcAddress("alGetAuxiliaryEffectSloti");
 107                 alGetAuxiliaryEffectSlotiv = (LPALGETEFXOBJECTIV)alGetProcAddress("alGetAuxiliaryEffectSlotiv");
 108                 alGetAuxiliaryEffectSlotf = (LPALGETEFXOBJECTF)alGetProcAddress("alGetAuxiliaryEffectSlotf");
 109                 alGetAuxiliaryEffectSlotfv = (LPALGETEFXOBJECTFV)alGetProcAddress("alGetFilterfv");
 110                 if (!alGenEffects || !alGenFilters || !alGenAuxiliaryEffectSlots)
 111                 {
 112                         nlwarning("AL: ALC_EXT_EFX alcGetProcAddress failed");
 113                         AlExtEfx = false;
 114                 }
 115         }
 116 #endif
 117 }
 118
 119 #if EAX_AVAILABLE
 120 // EAX
 121 bool AlExtEax = false;
 122 EAXSet eaxSet = NULL;
 123 EAXGet eaxGet = NULL;
 124 #endif
 125
 126 // ALC_ENUMERATION_EXT
 127 bool AlEnumerationExt = false;
 128
 129 // ALC_ENUMERATE_ALL_EXT
 130 bool AlEnumerateAllExt = false;
 131
 132 // EAX-RAM
 133 bool AlExtXRam = false;
 134 EAXSetBufferMode eaxSetBufferMode = NULL;
 135 EAXGetBufferMode eaxGetBufferMode = NULL;
 136
 137 // ALC_EXT_EFX
 138 bool AlExtEfx = false;
 139 // effect objects
 140 #if defined(NL_OS_WINDOWS) || defined(NL_OS_MAC) || !defined(NL_STATIC)
 141 LPALGENEFXOBJECTS alGenEffects = NULL;
 142 LPALDELETEEFXOBJECTS alDeleteEffects = NULL;
 143 LPALISEFXOBJECT alIsEffect = NULL;
 144 LPALEFXOBJECTI alEffecti = NULL;
 145 LPALEFXOBJECTIV alEffectiv = NULL;
 146 LPALEFXOBJECTF alEffectf = NULL;
 147 LPALEFXOBJECTFV alEffectfv = NULL;
 148 LPALGETEFXOBJECTI alGetEffecti = NULL;
 149 LPALGETEFXOBJECTIV alGetEffectiv = NULL;
 150 LPALGETEFXOBJECTF alGetEffectf = NULL;
 151 LPALGETEFXOBJECTFV alGetEffectfv = NULL;
 152 // filter objects
 153 LPALGENEFXOBJECTS alGenFilters = NULL;
 154 LPALDELETEEFXOBJECTS alDeleteFilters = NULL;
 155 LPALISEFXOBJECT alIsFilter = NULL;
 156 LPALEFXOBJECTI alFilteri = NULL;
 157 LPALEFXOBJECTIV alFilteriv = NULL;
 158 LPALEFXOBJECTF alFilterf = NULL;
 159 LPALEFXOBJECTFV alFilterfv = NULL;
 160 LPALGETEFXOBJECTI alGetFilteri = NULL;
 161 LPALGETEFXOBJECTIV alGetFilteriv = NULL;
 162 LPALGETEFXOBJECTF alGetFilterf = NULL;
 163 LPALGETEFXOBJECTFV alGetFilterfv = NULL;
 164 // submix objects
 165 LPALGENEFXOBJECTS alGenAuxiliaryEffectSlots = NULL;
 166 LPALDELETEEFXOBJECTS alDeleteAuxiliaryEffectSlots = NULL;
 167 LPALISEFXOBJECT alIsAuxiliaryEffectSlot = NULL;
 168 LPALEFXOBJECTI alAuxiliaryEffectSloti = NULL;
 169 LPALEFXOBJECTIV alAuxiliaryEffectSlotiv = NULL;
 170 LPALEFXOBJECTF alAuxiliaryEffectSlotf = NULL;
 171 LPALEFXOBJECTFV alAuxiliaryEffectSlotfv = NULL;
 172 LPALGETEFXOBJECTI alGetAuxiliaryEffectSloti = NULL;
 173 LPALGETEFXOBJECTIV alGetAuxiliaryEffectSlotiv = NULL;
 174 LPALGETEFXOBJECTF alGetAuxiliaryEffectSlotf = NULL;
 175 LPALGETEFXOBJECTFV alGetAuxiliaryEffectSlotfv = NULL;
 176 #endif
 177 }
 178
 179 /* end of file */