From 04709a2793e252f820015650f965d6d4bc16bdea Mon Sep 17 00:00:00 2001
From: Alexey Spizhevoy <no@email>
Date: Tue, 15 Feb 2011 13:25:24 +0000
Subject: [PATCH] refactoring of GPU module

---
 modules/gpu/include/opencv2/gpu/gpu.hpp            | 15 ++++++----
 .../{multi_gpu_mgr.cpp => multi_gpu_manager.cpp}   | 32 +++++++++++-----------
 samples/gpu/multi.cpp                              |  2 +-
 samples/gpu/stereo_multi.cpp                       |  2 +-
 4 files changed, 27 insertions(+), 24 deletions(-)
 rename modules/gpu/src/{multi_gpu_mgr.cpp => multi_gpu_manager.cpp} (81%)

diff --git a/modules/gpu/include/opencv2/gpu/gpu.hpp b/modules/gpu/include/opencv2/gpu/gpu.hpp
index a112755..029c029 100644
--- a/modules/gpu/include/opencv2/gpu/gpu.hpp
+++ b/modules/gpu/include/opencv2/gpu/gpu.hpp
@@ -76,6 +76,8 @@ namespace cv
             NATIVE_DOUBLE = FEATURE_SET_COMPUTE_13
         };
 
+        // Gives information about what GPU archs this OpenCV GPU module was 
+        // compiled for
         class CV_EXPORTS TargetArchs
         {
         public:
@@ -91,6 +93,7 @@ namespace cv
             TargetArchs();
         };
 
+        // Gives information about the given GPU
         class CV_EXPORTS DeviceInfo
         {
         public:
@@ -132,11 +135,11 @@ namespace cv
         /////////////////////////// Multi GPU Manager //////////////////////////////
 
         // Provides functionality for working with many GPUs
-        class CV_EXPORTS MultiGpuMgr
+        class CV_EXPORTS MultiGpuManager
         {
         public:
-            MultiGpuMgr();
-            ~MultiGpuMgr();
+            MultiGpuManager();
+            ~MultiGpuManager();
 
             // Must be called before any other GPU calls
             void init();
@@ -144,14 +147,14 @@ namespace cv
             // Makes the given GPU active
             void gpuOn(int gpu_id);
 
-            // Finishes the piece of work with the current GPU
+            // Finishes the piece of work on the current GPU
             void gpuOff();
 
             static const int BAD_GPU_ID = -1;
 
         private:
-            void operator=(const MultiGpuMgr&);
-            MultiGpuMgr(const MultiGpuMgr&);
+            void operator=(const MultiGpuManager&);
+            MultiGpuManager(const MultiGpuManager&);
 
             class Impl;
             Ptr<Impl> impl_;
diff --git a/modules/gpu/src/multi_gpu_mgr.cpp b/modules/gpu/src/multi_gpu_manager.cpp
similarity index 81%
rename from modules/gpu/src/multi_gpu_mgr.cpp
rename to modules/gpu/src/multi_gpu_manager.cpp
index b251366..68bab7e 100644
--- a/modules/gpu/src/multi_gpu_mgr.cpp
+++ b/modules/gpu/src/multi_gpu_manager.cpp
@@ -46,17 +46,17 @@
 
 namespace cv { namespace gpu {
 
-class MultiGpuMgr::Impl {};
-MultiGpuMgr::MultiGpuMgr() { throw_nogpu(); }
-void MultiGpuMgr::init() { throw_nogpu(); }
-void MultiGpuMgr::gpuOn(int) { throw_nogpu(); }
-void MultiGpuMgr::gpuOff() { throw_nogpu(); }
+class MultiGpuManager::Impl {};
+MultiGpuManager::MultiGpuManager() { throw_nogpu(); }
+MultiGpuManager::~MultiGpuManager() { throw_nogpu(); }
+void MultiGpuManager::init() { throw_nogpu(); }
+void MultiGpuManager::gpuOn(int) { throw_nogpu(); }
+void MultiGpuManager::gpuOff() { throw_nogpu(); }
 
 }}
 
 #else
 
-#include <stack>
 #include <vector>
 #include <cuda.h>
 
@@ -67,7 +67,7 @@ using namespace std;
 namespace cv { namespace gpu {
 
 
-class MultiGpuMgr::Impl
+class MultiGpuManager::Impl
 {
 public:
     Impl();
@@ -81,7 +81,7 @@ public:
     void gpuOn(int gpu_id)
     {
         if (gpu_id < 0 || gpu_id >= num_devices_)
-            CV_Error(CV_StsBadArg, "MultiGpuMgr::gpuOn: GPU ID is out of range");
+            CV_Error(CV_StsBadArg, "MultiGpuManager::gpuOn: GPU ID is out of range");
         cuSafeCall(cuCtxPushCurrent(contexts_[gpu_id]));
     }
 
@@ -103,7 +103,7 @@ private:
 };
 
 
-MultiGpuMgr::Impl::Impl(): num_devices_(0)
+MultiGpuManager::Impl::Impl(): num_devices_(0)
 {
     num_devices_ = getCudaEnabledDeviceCount();
     contexts_.resize(num_devices_);
@@ -121,28 +121,28 @@ MultiGpuMgr::Impl::Impl(): num_devices_(0)
 }
 
 
-MultiGpuMgr::MultiGpuMgr() {}
-MultiGpuMgr::~MultiGpuMgr() {}
+MultiGpuManager::MultiGpuManager() {}
+MultiGpuManager::~MultiGpuManager() {}
 
 
-void MultiGpuMgr::init()
+void MultiGpuManager::init()
 {
     impl_ = Ptr<Impl>(new Impl());
 }
 
 
-void MultiGpuMgr::gpuOn(int gpu_id)
+void MultiGpuManager::gpuOn(int gpu_id)
 {
     if (impl_.empty())
-        CV_Error(CV_StsNullPtr, "MultiGpuMgr::gpuOn: must be initialized before any calls");
+        CV_Error(CV_StsNullPtr, "MultiGpuManager::gpuOn: must be initialized before any calls");
     impl_->gpuOn(gpu_id);
 }
 
 
-void MultiGpuMgr::gpuOff()
+void MultiGpuManager::gpuOff()
 {
     if (impl_.empty())
-        CV_Error(CV_StsNullPtr, "MultiGpuMgr::gpuOff: must be initialized before any calls");
+        CV_Error(CV_StsNullPtr, "MultiGpuManager::gpuOff: must be initialized before any calls");
     impl_->gpuOff();
 }
 
diff --git a/samples/gpu/multi.cpp b/samples/gpu/multi.cpp
index 447816d..e02a490 100644
--- a/samples/gpu/multi.cpp
+++ b/samples/gpu/multi.cpp
@@ -36,7 +36,7 @@ using namespace cv::gpu;
 
 struct Worker { void operator()(int device_id) const; };
 
-MultiGpuMgr multi_gpu_mgr;
+MultiGpuManager multi_gpu_mgr;
 
 int main()
 {
diff --git a/samples/gpu/stereo_multi.cpp b/samples/gpu/stereo_multi.cpp
index 6e6cfe5..54dcf3b 100644
--- a/samples/gpu/stereo_multi.cpp
+++ b/samples/gpu/stereo_multi.cpp
@@ -38,7 +38,7 @@ using namespace cv::gpu;
 
 struct Worker { void operator()(int device_id) const; };
 
-MultiGpuMgr multi_gpu_mgr;
+MultiGpuManager multi_gpu_mgr;
 
 // GPUs data
 GpuMat d_left[2];
-- 
2.7.4