core/ocl: OpenCLBufferPool

modules/core/include/opencv2/core/bufferpool.hpp

@@ -0,0 +1,26 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+//
+// Copyright (C) 2014, Advanced Micro Devices, Inc., all rights reserved.
+
+#ifndef __OPENCV_CORE_BUFFER_POOL_HPP__
+#define __OPENCV_CORE_BUFFER_POOL_HPP__
+
+namespace cv
+{
+
+class BufferPoolController
+{
+protected:
+    ~BufferPoolController() { }
+public:
+    virtual size_t getReservedSize() const = 0;
+    virtual size_t getMaxReservedSize() const = 0;
+    virtual void setMaxReservedSize(size_t size) = 0;
+    virtual void freeAllReservedBuffers() = 0;
+};
+
+}
+
+#endif // __OPENCV_CORE_BUFFER_POOL_HPP__

modules/core/include/opencv2/core/mat.hpp

@@ -51,6 +51,7 @@
 #include "opencv2/core/matx.hpp"
 #include "opencv2/core/types.hpp"
 
+#include "opencv2/core/bufferpool.hpp"
 
 namespace cv
 {
@@ -299,6 +300,9 @@ public:
     virtual void copy(UMatData* srcdata, UMatData* dstdata, int dims, const size_t sz[],
                       const size_t srcofs[], const size_t srcstep[],
                       const size_t dstofs[], const size_t dststep[], bool sync) const;
+
+    // default implementation returns DummyBufferPoolController
+    virtual BufferPoolController* getBufferPoolController() const;
 };
 
 
@@ -363,7 +367,7 @@ struct CV_EXPORTS UMatData
     int refcount;
     uchar* data;
     uchar* origdata;
-    size_t size;
+    size_t size, capacity;
 
     int flags;
     void* handle;

modules/core/include/opencv2/core/ocl.hpp

@@ -596,6 +596,9 @@ protected:
     Impl* p;
 };
 
+
+CV_EXPORTS MatAllocator* getOpenCLAllocator();
+
 }}
 
 #endif