Added buffer conversion when copying to and from the device

src/c/Cuda/BufferConversions.h

+#pragma once
+
+template <typename T>
+void toDevice(T** dst, T* src, size_t length)
+{
+	*dst = src;
+}
+
+template <typename T, typename U>
+void toDevice(T** dst, U* src, size_t length)
+{
+	T* temp = new T[length];
+	for (size_t i = 0; i < length; ++i)
+		temp[i] = (T)(src[i]);
+
+	*dst = temp;
+}
+
+template <typename T>
+void fromDevice(T** dst, T** src, size_t length) 
+{
+	*dst = *src;
+}
+
+template <typename T, typename U>
+void fromDevice(T** dst, U* src, size_t length)
+{
+	*dst = new T[length]; 
+}
+
+template <typename T>
+void copyBuffer(T** dst, T** src, size_t length)
+{
+	*dst = *src; 
+}
+
+template <typename T, typename U>
+void copyBuffer(T** dst, U** src, size_t length)
+{
+	for (size_t i = 0; i < length; ++i)
+		(*dst)[i] = (T)((*src)[i]);
+
+	U* toDelete = *src;
+	delete[] toDelete;
+}
+
+template <typename T>
+void cleanBuffer(T** buff, T* src) {}
+
+template <typename T, typename U>
+void cleanBuffer(T** buff, U* src)
+{
+	T* toDelete = *buff;
+	delete[] toDelete;
+}

src/c/CudaImageProcessor.vcxproj

@@ -122,6 +122,7 @@
     <ClCompile Include="Cuda\GaussianKernel.cpp" />
     <ClCompile Include="Cuda\ImageChunk.cpp" />
     <ClCompile Include="Cuda\LoGKernel.cpp" />
+    <ClInclude Include="Cuda\BufferConversions.h" />
     <ClInclude Include="Cuda\CudaClosure.cuh" />
     <ClInclude Include="Cuda\CudaLoG.cuh" />
     <ClInclude Include="Cuda\CudaMeanFilter.cuh" />

src/c/CudaImageProcessor.vcxproj.filters

@@ -120,6 +120,9 @@
     <ClInclude Include="Cuda\CudaElementWiseDifference.cuh">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="Cuda\BufferConversions.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="Cuda\ImageDimensions.cuh">