minor fix in FindTBB

added texture_binder
2012-08-21 13:59:27 +04:00
parent c8b7a8c80c
commit d395bf1522
5 changed files with 249 additions and 4 deletions
--- a/modules/gpu/src/cuda/texture_binder.hpp
+++ b/modules/gpu/src/cuda/texture_binder.hpp
@@ -0,0 +1,92 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
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+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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+//M*/
+
+#ifndef OPENCV_GPU_TEXTURE_BINDER_HPP_
+#define OPENCV_GPU_TEXTURE_BINDER_HPP_
+
+#include "opencv2/gpu/devmem2d.hpp"
+#include <safe_call.hpp>
+
+namespace cv
+{
+  namespace gpu
+  {
+    class TextureBinder
+    {
+    public:
+      template<class T, enum cudaTextureReadMode readMode>
+      TextureBinder(const PtrStepSz<T>& arr, const struct texture<T, 2, readMode>& tex) : texref(&tex)
+      {
+        cudaChannelFormatDesc desc = cudaCreateChannelDesc<T>();  
+        cudaSafeCall( cudaBindTexture2D(0, tex, arr.data, desc, arr.cols, arr.rows, arr.step) );
+      }
+      
+      template<class T, enum cudaTextureReadMode readMode>
+      TextureBinder(const PtrSz<T>& arr, const struct texture<T, 1, readMode> &tex) : texref(&tex)
+      {
+        cudaChannelFormatDesc desc = cudaCreateChannelDesc<T>();  
+        cudaSafeCall( cudaBindTexture(0, tex, arr.data, desc, arr.size * arr.elemSize()) );
+      }
+
+      template<class A, class T, enum cudaTextureReadMode readMode>
+      TextureBinder(const A& arr, const struct texture<T, 2, readMode>& tex, const cudaChannelFormatDesc& desc) : texref(&tex)
+      {
+        cudaSafeCall( cudaBindTexture2D(0, tex, arr.data, desc, arr.cols, arr.rows, arr.step) );
+      }
+
+
+      ~TextureBinder()
+      {
+        cudaSafeCall( cudaUnbindTexture(texref) );
+      }
+    private:
+      const struct textureReference *texref;
+    };
+  }
+
+  namespace device
+  {
+      using pcl::gpu::TextureBinder;
+  }
+}
+
+#endif /* OPENCV_GPU_TEXTURE_BINDER_HPP_*/