From 0109104027ec4de46c236f6520cf00d89dd980ad Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Sun, 1 May 2011 13:21:56 -0700
Subject: Add some source fields for HRTF data

---
 OpenAL32/Include/alMain.h   | 4 ++++
 OpenAL32/Include/alSource.h | 6 ++++++
 2 files changed, 10 insertions(+)

(limited to 'OpenAL32/Include')

diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index 24027c99..6c18a387 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -584,6 +584,10 @@ void SetDefaultWFXChannelOrder(ALCdevice *device);
 ALboolean IsValidType(ALenum type);
 ALboolean IsValidChannels(ALenum type);
 
+#define HRTF_BITS        (7)
+#define HRTF_LENGTH      (1<<HRTF_BITS)
+#define HRTF_LENGTH_MASK (HRTF_LENGTH-1)
+
 void al_print(const char *fname, unsigned int line, const char *fmt, ...)
              PRINTF_STYLE(3,4);
 #define AL_PRINT(...) al_print(__FILE__, __LINE__, __VA_ARGS__)
diff --git a/OpenAL32/Include/alSource.h b/OpenAL32/Include/alSource.h
index e43792c3..30b949db 100644
--- a/OpenAL32/Include/alSource.h
+++ b/OpenAL32/Include/alSource.h
@@ -86,11 +86,17 @@ typedef struct ALsource
     // Source Type (Static, Streaming, or Undetermined)
     ALint  lSourceType;
 
+    /* HRTF info */
+    ALfloat HrtfHistory[HRTF_LENGTH];
+    ALuint HrtfOffset;
+
     // Current target parameters used for mixing
     ALboolean NeedsUpdate;
     struct {
         ALint Step;
 
+        ALfloat HrtfCoeffs[HRTF_LENGTH][2];
+
         /* A mixing matrix. First subscript is the channel number of the input
          * data (regardless of channel configuration) and the second is the
          * channel target (eg. FRONT_LEFT) */
-- 
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