diff --git a/kraken/KRAudioManager.cpp b/kraken/KRAudioManager.cpp
index 3ab64c1..11726a3 100755
--- a/kraken/KRAudioManager.cpp
+++ b/kraken/KRAudioManager.cpp
@@ -274,9 +274,7 @@ void KRAudioManager::renderReverbImpulseResponse(int impulse_response_offset, in
 
         
         vDSP_fft_zip(m_fft_setup[fft_size_log2 - KRENGINE_AUDIO_BLOCK_LOG2N], &impulse_block_data_complex, 1, fft_size_log2, kFFTDirection_Forward);
-        vDSP_zvmul(&reverb_sample_data_complex, 1,
-                   &impulse_block_data_complex, 1,
-                   &conv_data_complex, 1, fft_size, 1);
+        KRDSP::Multiply(&reverb_sample_data_complex, &impulse_block_data_complex, &conv_data_complex, fft_size);
         vDSP_fft_zip(m_fft_setup[fft_size_log2 - KRENGINE_AUDIO_BLOCK_LOG2N], &conv_data_complex, 1, fft_size_log2, kFFTDirection_Inverse);
         KRDSP::Scale(conv_data_complex.realp, scale, fft_size);
         
@@ -1648,7 +1646,7 @@ void KRAudioManager::renderHRTF()
                 memset(hrtf_sample->realp + hrtf_frames, 0, sizeof(float) * hrtf_frames);
                 memset(hrtf_sample->imagp, 0, sizeof(float) * fft_size);
                 
-                SplitComplex hrtf_spectral;
+                KRDSP::SplitComplex hrtf_spectral;
                 
                 if(m_high_quality_hrtf) {
                     // High quality, interpolated HRTF
@@ -1666,9 +1664,8 @@ void KRAudioManager::renderHRTF()
                     for(int i=0; i < 1 /*4 */; i++) {
                         if(mix[i] > 0.0f) {
                             KRDSP::SplitComplex hrtf_impulse_sample = getHRTFSpectral(dir[i], channel);
-                            KRDSP::ScaleCopy(hrtf_impulse_sample.realp, mix[i], hrtf_impulse->realp, fft_size);
-                            KRDSP::ScaleCopy(hrtf_impulse_sample.imagp, mix[i], hrtf_impulse->imagp, fft_size);
-                            vDSP_zvadd(hrtf_impulse, 1, hrtf_accum, 1, hrtf_accum, 1, fft_size);
+                            KRDSP::ScaleCopy(&hrtf_impulse_sample, mix[i], hrtf_impulse, fft_size);
+                            KRDSP::Accumulate(hrtf_accum, hrtf_impulse, fft_size);
                         }
                     }
                 } else {
@@ -1681,10 +1678,7 @@ void KRAudioManager::renderHRTF()
                 vDSP_fft_zip(m_fft_setup[fft_size_log2 - KRENGINE_AUDIO_BLOCK_LOG2N],
                              hrtf_sample, 1,
                              fft_size_log2, kFFTDirection_Forward);
-                vDSP_zvmul(hrtf_sample, 1,
-                           &hrtf_spectral, 1,
-                           hrtf_convolved, 1,
-                           fft_size, 1);
+                KRDSP::Multiply(hrtf_sample, &hrtf_spectral, hrtf_convolved, fft_size);
                 vDSP_fft_zip(m_fft_setup[fft_size_log2 - KRENGINE_AUDIO_BLOCK_LOG2N],
                              hrtf_convolved, 1,
                              fft_size_log2, kFFTDirection_Inverse);
diff --git a/kraken/KRDSP.cpp b/kraken/KRDSP.cpp
index 5eab874..8c2028a 100644
--- a/kraken/KRDSP.cpp
+++ b/kraken/KRDSP.cpp
@@ -65,6 +65,12 @@ void ScaleCopy(const float *src, float scale, float *dest, size_t count)
 #endif
 }
 
+void ScaleCopy(const SplitComplex *src, float scale, SplitComplex *dest, size_t count)
+{
+  ScaleCopy(src->realp, scale, dest->realp, count);
+  ScaleCopy(src->imagp, scale, dest->imagp, count);
+}
+
 void ScaleRamp(float *buffer, float scaleStart, float scaleStep, size_t count)
 {
 #ifdef KRDSP_APPLE_VDSP
@@ -86,4 +92,23 @@ void Accumulate(float *buffer, size_t bufferStride, const float *buffer2, size_t
 #endif
 }
 
+void Accumulate(SplitComplex *buffer, const SplitComplex *buffer2, size_t count)
+{
+#ifdef KRDSP_APPLE_VDSP
+  vDSP_zvadd(buffer2, 1, buffer, 1, buffer, 1, count);
+#else
+#error TODO - Implement
+#endif
+}
+
+
+void Multiply(const SplitComplex *a, const SplitComplex *b, SplitComplex *c, size_t count)
+{
+#ifdef KRDSP_APPLE_VDSP
+  vDSP_zvmul(a, 1, b, 1, c, 1, count, 1);
+#else
+#error TODO - Implement
+#endif
+}
+
 } // namespace KRDSP
diff --git a/kraken/KRDSP.h b/kraken/KRDSP.h
index a0895f6..e1b4d30 100644
--- a/kraken/KRDSP.h
+++ b/kraken/KRDSP.h
@@ -47,8 +47,11 @@ namespace KRDSP {
 void Int16ToFloat(const short *src, size_t srcStride, float *dest, size_t destStride, size_t count);
 void Scale(float *buffer, float scale, size_t count);
 void ScaleCopy(const float *src, float scale, float *dest, size_t count);
+void ScaleCopy(const SplitComplex *src, float scale, SplitComplex *dest, size_t count);
 void ScaleRamp(float *buffer, float scaleStart, float scaleStep, size_t count);
 void Accumulate(float *buffer, size_t bufferStride, const float *buffer2, size_t buffer2Stride, size_t count);
+void Accumulate(SplitComplex *buffer, const SplitComplex *buffer2, size_t count);
+void Multiply(const SplitComplex *a, const SplitComplex *b, SplitComplex *c, size_t count);
 
 } // namespace KRDSP
 
diff --git a/kraken_win/kraken.vcxproj b/kraken_win/kraken.vcxproj
index 3b9ab2c..37f4ca9 100755
--- a/kraken_win/kraken.vcxproj
+++ b/kraken_win/kraken.vcxproj
@@ -143,6 +143,7 @@
     <ClCompile Include="..\kraken\KRContextObject.cpp" />
     <ClCompile Include="..\kraken\KRDataBlock.cpp" />
     <ClCompile Include="..\kraken\KRDirectionalLight.cpp" />
+    <ClCompile Include="..\kraken\KRDSP.cpp" />
     <ClCompile Include="..\kraken\KRFloat.cpp" />
     <ClCompile Include="..\kraken\KRHitInfo.cpp" />
     <ClCompile Include="..\kraken\KRLight.cpp" />
@@ -271,6 +272,9 @@
     <ClInclude Include="..\kraken\KRVector3.h" />
     <ClInclude Include="..\kraken\KRVector4.h" />
     <ClInclude Include="..\kraken\KRViewport.h" />
+    <ClInclude Include="3rdparty\glew\glew-1.13.0\include\GL\glew.h" />
+    <ClInclude Include="3rdparty\glew\glew-1.13.0\include\GL\glxew.h" />
+    <ClInclude Include="3rdparty\glew\glew-1.13.0\include\GL\wglew.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/kraken_win/kraken.vcxproj.filters b/kraken_win/kraken.vcxproj.filters
index 45fc444..fbf1bac 100755
--- a/kraken_win/kraken.vcxproj.filters
+++ b/kraken_win/kraken.vcxproj.filters
@@ -243,6 +243,9 @@
     <ClCompile Include="..\kraken\KRUnknownManager.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\kraken\KRDSP.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\3rdparty\tinyxml2\tinyxml2.h">