initial cuda implementation

cuda/cuda.cpp

@@ -0,0 +1,33 @@
+#include "cuda.h"
+
+GpuMat GpuMat_New() {
+    return new cv::cuda::GpuMat();
+}
+
+void GpuMat_Upload(GpuMat m,Mat data){
+    m->upload(*data);
+}
+
+void GpuMat_Download(GpuMat m,Mat dst){
+    m->download(*dst);
+}
+
+int GpuMat_Empty(GpuMat m){
+    return m->empty();
+}
+
+void GpuMat_Close(GpuMat m){
+    delete m;
+}
+
+void PrintCudaDeviceInfo(int device){
+    cv::cuda::printCudaDeviceInfo(device);
+}
+
+void PrintShortCudaDeviceInfo(int device){
+    cv::cuda::printShortCudaDeviceInfo(device);
+}
+
+int GetCudaEnabledDeviceCount(){
+    return cv::cuda::getCudaEnabledDeviceCount();
+}