First gpu code draft. Interface might be significantly changed in future.

Simple implementation of StereoBM_GPU. It is excluded from compilation now.
2010-07-14 15:55:16 +00:00
parent fbc88e2d66
commit 7f6fb6ef97
15 changed files with 2046 additions and 1 deletions
--- a/modules/gpu/src/initialization.cpp
+++ b/modules/gpu/src/initialization.cpp
@@ -0,0 +1,93 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "precomp.hpp"
+
+using namespace cv;
+using namespace cv::gpu;
+
+CV_EXPORTS int cv::gpu::getCudaEnabledDeviceCount()
+{
+    int count;
+    cudaSafeCall( cudaGetDeviceCount( &count ) );
+    return count;
+}
+
+CV_EXPORTS string cv::gpu::getDeviceName(int device)
+{
+    cudaDeviceProp prop;
+    cudaSafeCall( cudaGetDeviceProperties( &prop, device) );
+    return prop.name;
+}
+
+CV_EXPORTS void cv::gpu::setDevice(int device)
+{
+    cudaSafeCall( cudaSetDevice( device ) );
+}
+
+CV_EXPORTS int cv::gpu::getComputeCapability(int device)
+{    
+    cudaDeviceProp prop;
+    cudaSafeCall( cudaGetDeviceProperties( &prop, device) );
+
+    if (prop.major == 2)
+        return CV_GPU_CC_20;
+
+    if (prop.major == 1)
+        switch (prop.minor)
+        {
+        case 0: return CV_GPU_CC_10;
+        case 1: return CV_GPU_CC_11;
+        case 2: return CV_GPU_CC_12;
+        case 3: return CV_GPU_CC_13;        
+        }
+    
+    return -1;
+}
+
+
+CV_EXPORTS int cv::gpu::getNumberOfSMs(int device)
+{
+    cudaDeviceProp prop;
+    cudaSafeCall( cudaGetDeviceProperties( &prop, device ) );
+    return prop.multiProcessorCount;
+}