Added 32-bit fixed point support to OpenAL backend.

Changed method to detect 32-bit floating point and
32-bit fixed point support.
This commit is contained in:
LAGonauta
2016-10-27 18:47:13 -02:00
parent 838b234317
commit 332e9bd378
2 changed files with 69 additions and 12 deletions

View File

@ -38,18 +38,35 @@
#undef BOOL
#endif
// 16 bit Stereo
#define SFX_MAX_SOURCE 1
#define OAL_MAX_BUFFERS 32
#define OAL_MAX_SAMPLES 256
#define STEREO_CHANNELS 2
#define SURROUND_CHANNELS 6 // number of channels in surround mode
#define SIZE_SHORT 2
#define SIZE_INT32 4
#define SIZE_FLOAT 4 // size of a float in bytes
#define FRAME_STEREO_SHORT STEREO_CHANNELS* SIZE_SHORT
#define FRAME_STEREO_FLOAT STEREO_CHANNELS* SIZE_FLOAT
#define FRAME_STEREO_INT32 STEREO_CHANNELS* SIZE_INT32
#define FRAME_SURROUND_FLOAT SURROUND_CHANNELS* SIZE_FLOAT
#define FRAME_SURROUND_SHORT SURROUND_CHANNELS* SIZE_SHORT
#define FRAME_SURROUND_INT32 SURROUND_CHANNELS* SIZE_INT32
#endif
#if defined(__APPLE__)
// OS X does not have the alext AL_FORMAT_STEREO_FLOAT32, AL_FORMAT_STEREO32,
// AL_FORMAT_51CHN32 and AL_FORMAT_51CHN16 yet.
#define AL_FORMAT_STEREO_FLOAT32 0
#define AL_FORMAT_STEREO32 0
#define AL_FORMAT_51CHN32 0
#define AL_FORMAT_51CHN16 0
#elif defined(_WIN32)
// Only X-Fi on Windows supports the alext AL_FORMAT_STEREO32 alext for now,
// but it is not documented or in "OpenAL/include/al.h".
#define AL_FORMAT_STEREO32 0x1203
#else
#define AL_FORMAT_STEREO32 0
#endif
class OpenALStream final : public SoundStream