router/router.h

   1 #ifndef ROUTER_ROUTER_H
   2 #define ROUTER_ROUTER_H
   3
   4 #define WIN32_LEAN_AND_MEAN
   5 #include <windows.h>
   6 #include <winnt.h>
   7
   8 #include <atomic>
   9 #include <cstdio>
  10 #include <memory>
  11 #include <mutex>
  12 #include <string>
  13 #include <utility>
  14 #include <vector>
  15
  16 #include "AL/alc.h"
  17 #include "AL/al.h"
  18 #include "AL/alext.h"
  19
  20 #include "almalloc.h"
  21
  22
  23 #define MAKE_ALC_VER(major, minor) (((major)<<8) | (minor))
  24
  25 struct DriverIface {
  26     std::wstring Name;
  27     HMODULE Module{nullptr};
  28     int ALCVer{0};
  29     std::once_flag InitOnceCtx{};
  30
  31     LPALCCREATECONTEXT alcCreateContext{nullptr};
  32     LPALCMAKECONTEXTCURRENT alcMakeContextCurrent{nullptr};
  33     LPALCPROCESSCONTEXT alcProcessContext{nullptr};
  34     LPALCSUSPENDCONTEXT alcSuspendContext{nullptr};
  35     LPALCDESTROYCONTEXT alcDestroyContext{nullptr};
  36     LPALCGETCURRENTCONTEXT alcGetCurrentContext{nullptr};
  37     LPALCGETCONTEXTSDEVICE alcGetContextsDevice{nullptr};
  38     LPALCOPENDEVICE alcOpenDevice{nullptr};
  39     LPALCCLOSEDEVICE alcCloseDevice{nullptr};
  40     LPALCGETERROR alcGetError{nullptr};
  41     LPALCISEXTENSIONPRESENT alcIsExtensionPresent{nullptr};
  42     LPALCGETPROCADDRESS alcGetProcAddress{nullptr};
  43     LPALCGETENUMVALUE alcGetEnumValue{nullptr};
  44     LPALCGETSTRING alcGetString{nullptr};
  45     LPALCGETINTEGERV alcGetIntegerv{nullptr};
  46     LPALCCAPTUREOPENDEVICE alcCaptureOpenDevice{nullptr};
  47     LPALCCAPTURECLOSEDEVICE alcCaptureCloseDevice{nullptr};
  48     LPALCCAPTURESTART alcCaptureStart{nullptr};
  49     LPALCCAPTURESTOP alcCaptureStop{nullptr};
  50     LPALCCAPTURESAMPLES alcCaptureSamples{nullptr};
  51
  52     PFNALCSETTHREADCONTEXTPROC alcSetThreadContext{nullptr};
  53     PFNALCGETTHREADCONTEXTPROC alcGetThreadContext{nullptr};
  54
  55     LPALENABLE alEnable{nullptr};
  56     LPALDISABLE alDisable{nullptr};
  57     LPALISENABLED alIsEnabled{nullptr};
  58     LPALGETSTRING alGetString{nullptr};
  59     LPALGETBOOLEANV alGetBooleanv{nullptr};
  60     LPALGETINTEGERV alGetIntegerv{nullptr};
  61     LPALGETFLOATV alGetFloatv{nullptr};
  62     LPALGETDOUBLEV alGetDoublev{nullptr};
  63     LPALGETBOOLEAN alGetBoolean{nullptr};
  64     LPALGETINTEGER alGetInteger{nullptr};
  65     LPALGETFLOAT alGetFloat{nullptr};
  66     LPALGETDOUBLE alGetDouble{nullptr};
  67     LPALGETERROR alGetError{nullptr};
  68     LPALISEXTENSIONPRESENT alIsExtensionPresent{nullptr};
  69     LPALGETPROCADDRESS alGetProcAddress{nullptr};
  70     LPALGETENUMVALUE alGetEnumValue{nullptr};
  71     LPALLISTENERF alListenerf{nullptr};
  72     LPALLISTENER3F alListener3f{nullptr};
  73     LPALLISTENERFV alListenerfv{nullptr};
  74     LPALLISTENERI alListeneri{nullptr};
  75     LPALLISTENER3I alListener3i{nullptr};
  76     LPALLISTENERIV alListeneriv{nullptr};
  77     LPALGETLISTENERF alGetListenerf{nullptr};
  78     LPALGETLISTENER3F alGetListener3f{nullptr};
  79     LPALGETLISTENERFV alGetListenerfv{nullptr};
  80     LPALGETLISTENERI alGetListeneri{nullptr};
  81     LPALGETLISTENER3I alGetListener3i{nullptr};
  82     LPALGETLISTENERIV alGetListeneriv{nullptr};
  83     LPALGENSOURCES alGenSources{nullptr};
  84     LPALDELETESOURCES alDeleteSources{nullptr};
  85     LPALISSOURCE alIsSource{nullptr};
  86     LPALSOURCEF alSourcef{nullptr};
  87     LPALSOURCE3F alSource3f{nullptr};
  88     LPALSOURCEFV alSourcefv{nullptr};
  89     LPALSOURCEI alSourcei{nullptr};
  90     LPALSOURCE3I alSource3i{nullptr};
  91     LPALSOURCEIV alSourceiv{nullptr};
  92     LPALGETSOURCEF alGetSourcef{nullptr};
  93     LPALGETSOURCE3F alGetSource3f{nullptr};
  94     LPALGETSOURCEFV alGetSourcefv{nullptr};
  95     LPALGETSOURCEI alGetSourcei{nullptr};
  96     LPALGETSOURCE3I alGetSource3i{nullptr};
  97     LPALGETSOURCEIV alGetSourceiv{nullptr};
  98     LPALSOURCEPLAYV alSourcePlayv{nullptr};
  99     LPALSOURCESTOPV alSourceStopv{nullptr};
 100     LPALSOURCEREWINDV alSourceRewindv{nullptr};
 101     LPALSOURCEPAUSEV alSourcePausev{nullptr};
 102     LPALSOURCEPLAY alSourcePlay{nullptr};
 103     LPALSOURCESTOP alSourceStop{nullptr};
 104     LPALSOURCEREWIND alSourceRewind{nullptr};
 105     LPALSOURCEPAUSE alSourcePause{nullptr};
 106     LPALSOURCEQUEUEBUFFERS alSourceQueueBuffers{nullptr};
 107     LPALSOURCEUNQUEUEBUFFERS alSourceUnqueueBuffers{nullptr};
 108     LPALGENBUFFERS alGenBuffers{nullptr};
 109     LPALDELETEBUFFERS alDeleteBuffers{nullptr};
 110     LPALISBUFFER alIsBuffer{nullptr};
 111     LPALBUFFERF alBufferf{nullptr};
 112     LPALBUFFER3F alBuffer3f{nullptr};
 113     LPALBUFFERFV alBufferfv{nullptr};
 114     LPALBUFFERI alBufferi{nullptr};
 115     LPALBUFFER3I alBuffer3i{nullptr};
 116     LPALBUFFERIV alBufferiv{nullptr};
 117     LPALGETBUFFERF alGetBufferf{nullptr};
 118     LPALGETBUFFER3F alGetBuffer3f{nullptr};
 119     LPALGETBUFFERFV alGetBufferfv{nullptr};
 120     LPALGETBUFFERI alGetBufferi{nullptr};
 121     LPALGETBUFFER3I alGetBuffer3i{nullptr};
 122     LPALGETBUFFERIV alGetBufferiv{nullptr};
 123     LPALBUFFERDATA alBufferData{nullptr};
 124     LPALDOPPLERFACTOR alDopplerFactor{nullptr};
 125     LPALDOPPLERVELOCITY alDopplerVelocity{nullptr};
 126     LPALSPEEDOFSOUND alSpeedOfSound{nullptr};
 127     LPALDISTANCEMODEL alDistanceModel{nullptr};
 128
 129     /* Functions to load after first context creation. */
 130     LPALGENFILTERS alGenFilters{nullptr};
 131     LPALDELETEFILTERS alDeleteFilters{nullptr};
 132     LPALISFILTER alIsFilter{nullptr};
 133     LPALFILTERF alFilterf{nullptr};
 134     LPALFILTERFV alFilterfv{nullptr};
 135     LPALFILTERI alFilteri{nullptr};
 136     LPALFILTERIV alFilteriv{nullptr};
 137     LPALGETFILTERF alGetFilterf{nullptr};
 138     LPALGETFILTERFV alGetFilterfv{nullptr};
 139     LPALGETFILTERI alGetFilteri{nullptr};
 140     LPALGETFILTERIV alGetFilteriv{nullptr};
 141     LPALGENEFFECTS alGenEffects{nullptr};
 142     LPALDELETEEFFECTS alDeleteEffects{nullptr};
 143     LPALISEFFECT alIsEffect{nullptr};
 144     LPALEFFECTF alEffectf{nullptr};
 145     LPALEFFECTFV alEffectfv{nullptr};
 146     LPALEFFECTI alEffecti{nullptr};
 147     LPALEFFECTIV alEffectiv{nullptr};
 148     LPALGETEFFECTF alGetEffectf{nullptr};
 149     LPALGETEFFECTFV alGetEffectfv{nullptr};
 150     LPALGETEFFECTI alGetEffecti{nullptr};
 151     LPALGETEFFECTIV alGetEffectiv{nullptr};
 152     LPALGENAUXILIARYEFFECTSLOTS alGenAuxiliaryEffectSlots{nullptr};
 153     LPALDELETEAUXILIARYEFFECTSLOTS alDeleteAuxiliaryEffectSlots{nullptr};
 154     LPALISAUXILIARYEFFECTSLOT alIsAuxiliaryEffectSlot{nullptr};
 155     LPALAUXILIARYEFFECTSLOTF alAuxiliaryEffectSlotf{nullptr};
 156     LPALAUXILIARYEFFECTSLOTFV alAuxiliaryEffectSlotfv{nullptr};
 157     LPALAUXILIARYEFFECTSLOTI alAuxiliaryEffectSloti{nullptr};
 158     LPALAUXILIARYEFFECTSLOTIV alAuxiliaryEffectSlotiv{nullptr};
 159     LPALGETAUXILIARYEFFECTSLOTF alGetAuxiliaryEffectSlotf{nullptr};
 160     LPALGETAUXILIARYEFFECTSLOTFV alGetAuxiliaryEffectSlotfv{nullptr};
 161     LPALGETAUXILIARYEFFECTSLOTI alGetAuxiliaryEffectSloti{nullptr};
 162     LPALGETAUXILIARYEFFECTSLOTIV alGetAuxiliaryEffectSlotiv{nullptr};
 163
 164     template<typename T>
 165     DriverIface(T&& name, HMODULE mod)
 166       : Name(std::forward<T>(name)), Module(mod)
 167     { }
 168     ~DriverIface()
 169     {
 170         if(Module)
 171             FreeLibrary(Module);
 172         Module = nullptr;
 173     }
 174 };
 175 using DriverIfacePtr = std::unique_ptr<DriverIface>;
 176
 177 inline std::vector<DriverIfacePtr> DriverList;
 178
 179 inline thread_local DriverIface *ThreadCtxDriver{};
 180 inline std::atomic<DriverIface*> CurrentCtxDriver{};
 181
 182 inline DriverIface *GetThreadDriver() noexcept { return ThreadCtxDriver; }
 183 inline void SetThreadDriver(DriverIface *driver) noexcept { ThreadCtxDriver = driver; }
 184
 185
 186 enum class eLogLevel {
 187     None  = 0,
 188     Error = 1,
 189     Warn  = 2,
 190     Trace = 3,
 191 };
 192 extern eLogLevel LogLevel;
 193 extern gsl::owner<std::FILE*> LogFile;
 194
 195 #define TRACE(...) do {                                   \
 196     if(LogLevel >= eLogLevel::Trace)                      \
 197     {                                                     \
 198         std::FILE *file{LogFile ? LogFile : stderr};      \
 199         fprintf(file, "AL Router (II): " __VA_ARGS__);    \
 200         fflush(file);                                     \
 201     }                                                     \
 202 } while(0)
 203 #define WARN(...) do {                                    \
 204     if(LogLevel >= eLogLevel::Warn)                       \
 205     {                                                     \
 206         std::FILE *file{LogFile ? LogFile : stderr};      \
 207         fprintf(file, "AL Router (WW): " __VA_ARGS__);    \
 208         fflush(file);                                     \
 209     }                                                     \
 210 } while(0)
 211 #define ERR(...) do {                                     \
 212     if(LogLevel >= eLogLevel::Error)                      \
 213     {                                                     \
 214         std::FILE *file{LogFile ? LogFile : stderr};      \
 215         fprintf(file, "AL Router (EE): " __VA_ARGS__);    \
 216         fflush(file);                                     \
 217     }                                                     \
 218 } while(0)
 219
 220 #endif /* ROUTER_ROUTER_H */