opencl_svm.hpp

00001 /* See LICENSE file in the root OpenCV directory */
00002 
00003 #ifndef __OPENCV_CORE_OPENCL_SVM_HPP__
00004 #define __OPENCV_CORE_OPENCL_SVM_HPP__
00005 
00006 //
00007 // Internal usage only (binary compatibility is not guaranteed)
00008 //
00009 #ifndef __OPENCV_BUILD
00010 #error Internal header file
00011 #endif
00012 
00013 #if defined(HAVE_OPENCL) && defined(HAVE_OPENCL_SVM)
00014 #include "runtime/opencl_core.hpp"
00015 #include "runtime/opencl_svm_20.hpp"
00016 #include "runtime/opencl_svm_hsa_extension.hpp"
00017 
00018 namespace cv { namespace ocl { namespace svm {
00019 
00020 struct SVMCapabilities
00021 {
00022     enum Value
00023     {
00024         SVM_COARSE_GRAIN_BUFFER = (1 << 0),
00025         SVM_FINE_GRAIN_BUFFER = (1 << 1),
00026         SVM_FINE_GRAIN_SYSTEM = (1 << 2),
00027         SVM_ATOMICS = (1 << 3),
00028     };
00029     int value_;
00030 
00031     SVMCapabilities(int capabilities = 0) : value_(capabilities) { }
00032     operator int() const { return value_; }
00033 
00034     inline bool isNoSVMSupport() const { return value_ == 0; }
00035     inline bool isSupportCoarseGrainBuffer() const { return (value_ & SVM_COARSE_GRAIN_BUFFER) != 0; }
00036     inline bool isSupportFineGrainBuffer() const { return (value_ & SVM_FINE_GRAIN_BUFFER) != 0; }
00037     inline bool isSupportFineGrainSystem() const { return (value_ & SVM_FINE_GRAIN_SYSTEM) != 0; }
00038     inline bool isSupportAtomics() const { return (value_ & SVM_ATOMICS) != 0; }
00039 };
00040 
00041 CV_EXPORTS const SVMCapabilities getSVMCapabilitites(const ocl::Context& context);
00042 
00043 struct SVMFunctions
00044 {
00045     clSVMAllocAMD_fn fn_clSVMAlloc;
00046     clSVMFreeAMD_fn fn_clSVMFree;
00047     clSetKernelArgSVMPointerAMD_fn fn_clSetKernelArgSVMPointer;
00048     //clSetKernelExecInfoAMD_fn fn_clSetKernelExecInfo;
00049     //clEnqueueSVMFreeAMD_fn fn_clEnqueueSVMFree;
00050     clEnqueueSVMMemcpyAMD_fn fn_clEnqueueSVMMemcpy;
00051     clEnqueueSVMMemFillAMD_fn fn_clEnqueueSVMMemFill;
00052     clEnqueueSVMMapAMD_fn fn_clEnqueueSVMMap;
00053     clEnqueueSVMUnmapAMD_fn fn_clEnqueueSVMUnmap;
00054 
00055     inline SVMFunctions()
00056         : fn_clSVMAlloc(NULL), fn_clSVMFree(NULL),
00057           fn_clSetKernelArgSVMPointer(NULL), /*fn_clSetKernelExecInfo(NULL),*/
00058           /*fn_clEnqueueSVMFree(NULL),*/ fn_clEnqueueSVMMemcpy(NULL), fn_clEnqueueSVMMemFill(NULL),
00059           fn_clEnqueueSVMMap(NULL), fn_clEnqueueSVMUnmap(NULL)
00060     {
00061         // nothing
00062     }
00063 
00064     inline bool isValid() const
00065     {
00066         return fn_clSVMAlloc != NULL && fn_clSVMFree && fn_clSetKernelArgSVMPointer &&
00067                 /*fn_clSetKernelExecInfo && fn_clEnqueueSVMFree &&*/ fn_clEnqueueSVMMemcpy &&
00068                 fn_clEnqueueSVMMemFill && fn_clEnqueueSVMMap && fn_clEnqueueSVMUnmap;
00069     }
00070 };
00071 
00072 // We should guarantee that SVMFunctions lifetime is not less than context's lifetime
00073 CV_EXPORTS const SVMFunctions* getSVMFunctions(const ocl::Context& context);
00074 
00075 CV_EXPORTS bool useSVM(UMatUsageFlags usageFlags);
00076 
00077 }}} //namespace cv::ocl::svm
00078 #endif
00079 
00080 #endif // __OPENCV_CORE_OPENCL_SVM_HPP__
00081 /* End of file. */
00082