Add experimental device attributes for apps to query

These will be part of the ALC_EXT_device_time extension. Behavior, values,
etc, are all subject to change.

2 files changed, 31 insertions, 0 deletions

diff --git a/Alc/ALc.c b/Alc/ALc.c
index 30fe037c..66fb6890 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -1356,6 +1356,31 @@ ALC_API ALCvoid ALC_APIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsi
                 *data = device->Connected;
             break;
 
+        case ALC_GET_TIME_EXT:
+            if(!IsDevice(device))
+                alcSetError(device, ALC_INVALID_DEVICE);
+            else if(size < 2)
+                alcSetError(device, ALC_INVALID_VALUE);
+            else
+            {
+                ALuint64 t = ALCdevice_GetTime(device);
+                data[0] = t&0xffffffff;
+                data[1] = t>>32;
+            }
+            break;
+
+        case ALC_GET_TIME_RES_EXT:
+            if(!IsDevice(device))
+                alcSetError(device, ALC_INVALID_DEVICE);
+            else if(size < 2)
+                alcSetError(device, ALC_INVALID_VALUE);
+            else
+            {
+                data[0] = device->TimeRes&0xffffffff;
+                data[1] = device->TimeRes>>32;
+            }
+            break;
+
         default:
             alcSetError(device, ALC_INVALID_ENUM);
             break;
diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index 4957b942..202133a1 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -84,6 +84,12 @@ AL_API ALvoid AL_APIENTRY alUnmapDatabufferEXT(ALuint uiBuffer);
 #define AL_LOOP_POINTS                           0x2015
 #endif
 
+#ifndef ALC_EXT_device_time
+#define ALC_EXT_device_time 1
+#define ALC_GET_TIME_EXT                        0x314
+#define ALC_GET_TIME_RES_EXT                    0x315
+#endif
+
 #if defined(HAVE_STDINT_H)
 #include <stdint.h>
 typedef int64_t ALint64;