audio pt. 2

[vg.git] / src / vg / vg_platform.h

diff --git a/src/vg/vg_platform.h b/src/vg/vg_platform.h
index 89315b65c86dee6765865811bc47343d5106f127..be9a225bf8fc56f97d3481f7f1a5bf5f39ff529a 100644 (file)
--- a/src/vg/vg_platform.h
+++ b/src/vg/vg_platform.h
@@ -1,13 +1,7 @@
-/* Copyright (C) 2021-2022 Harry Godden (hgn) - All Rights Reserved */
+#ifndef VG_PLATFORM_H
+#define VG_PLATFORM_H
 
-typedef uint8_t  u8;
-typedef uint16_t u16;
-typedef uint32_t u32;
-typedef uint64_t u64;
-typedef int8_t i8;
-typedef int16_t i16;
-typedef int32_t i32;
-typedef int64_t i64;
+/* Copyright (C) 2021-2022 Harry Godden (hgn) - All Rights Reserved */
 
 typedef unsigned int uint;
 
@@ -19,7 +13,7 @@ typedef float         v3f[3];
 typedef float          v4f[4];
 typedef v2f                    m2x2f[2];
 typedef v3f                    m3x3f[3];
-typedef v3f                    m4x3f[4];   /* TODO why this is 4x4 too? */
+typedef v3f                    m4x3f[4];
 typedef v4f       m4x4f[4];
 typedef v3f                    boxf[2];
 
@@ -107,3 +101,23 @@ int vg_thread_run( void *pfunc, void *data )
        }
 #endif
 }
+
+static void vg_sleep_ms( long msec )
+{
+    struct timespec ts;
+
+    ts.tv_sec = msec / 1000;
+    ts.tv_nsec = (msec % 1000) * 1000000;
+    nanosleep( &ts, &ts );
+}
+
+/* diff two timespecs in MS */
+static double vg_time_diff( struct timespec start, struct timespec end )
+{
+   double elapsed = 1000.0*end.tv_sec + 1e-6*end.tv_nsec
+                       - (1000.0*start.tv_sec + 1e-6*start.tv_nsec);
+
+   return elapsed;
+}
+
+#endif