gpu module fixes

modules/gpu/CMakeLists.txt

@@ -4,10 +4,9 @@ endif()
 
 set(the_description "GPU-accelerated Computer Vision")
 
-ocv_warnings_disable(CMAKE_CXX_FLAGS -Wundef -Wmissing-declarations -Wshadow -Wunused-parameter)
+ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4127 /wd4100 /wd4324 /wd4512 -Wundef -Wmissing-declarations -Wshadow -Wunused-parameter)
 
-ocv_define_module(gpu opencv_gpuarithm opencv_gpufilters opencv_gpuwarping opencv_gpuimgproc
-                      opencv_gpufeatures2d opencv_gpuoptflow opencv_gpubgsegm opencv_gpustereo)
+ocv_define_module(gpu opencv_calib3d opencv_objdetect opencv_gpuarithm opencv_gpuwarping OPTIONAL opencv_gpulegacy)
 
 if(HAVE_CUDA)
   add_subdirectory(perf4au)

modules/gpu/doc/gpu.rst

@@ -9,3 +9,4 @@ gpu. GPU-accelerated Computer Vision
     initalization_and_information
     data_structures
     object_detection
+    calib3d

modules/gpu/include/opencv2/gpu.hpp

@@ -43,19 +43,56 @@
 #ifndef __OPENCV_GPU_HPP__
 #define __OPENCV_GPU_HPP__
 
+#ifndef __cplusplus
+#  error gpu.hpp header must be compiled as C++
+#endif
+
 #include "opencv2/core/gpumat.hpp"
-#include "opencv2/gpuarithm.hpp"
-#include "opencv2/gpufilters.hpp"
-#include "opencv2/gpuwarping.hpp"
-#include "opencv2/gpuimgproc.hpp"
-#include "opencv2/gpufeatures2d.hpp"
-#include "opencv2/gpuoptflow.hpp"
-#include "opencv2/gpubgsegm.hpp"
-#include "opencv2/gpustereo.hpp"
+
+#if !defined(__OPENCV_BUILD) && !defined(OPENCV_GPU_SKIP_INCLUDE)
+    #include "opencv2/opencv_modules.hpp"
+
+    #ifdef HAVE_OPENCV_GPUARITHM
+        #include "opencv2/gpuarithm.hpp"
+    #endif
+
+    #ifdef HAVE_OPENCV_GPUWARPING
+        #include "opencv2/gpuwarping.hpp"
+    #endif
+
+    #ifdef HAVE_OPENCV_GPUFILTERS
+        #include "opencv2/gpufilters.hpp"
+    #endif
+
+    #ifdef HAVE_OPENCV_GPUIMGPROC
+        #include "opencv2/gpuimgproc.hpp"
+    #endif
+
+    #ifdef HAVE_OPENCV_GPUFEATURES2D
+        #include "opencv2/gpufeatures2d.hpp"
+    #endif
+
+    #ifdef HAVE_OPENCV_GPUOPTFLOW
+        #include "opencv2/gpuoptflow.hpp"
+    #endif
+
+    #ifdef HAVE_OPENCV_GPUBGSEGM
+        #include "opencv2/gpubgsegm.hpp"
+    #endif
+
+    #ifdef HAVE_OPENCV_GPUSTEREO
+        #include "opencv2/gpustereo.hpp"
+    #endif
+
+    #ifdef HAVE_OPENCV_GPUCODEC
+        #include "opencv2/gpucodec.hpp"
+    #endif
+#endif
 
 namespace cv { namespace gpu {
 
 //////////////// HOG (Histogram-of-Oriented-Gradients) Descriptor and Object Detector //////////////
+
 struct CV_EXPORTS HOGConfidence
 {
    double scale;
@@ -146,6 +183,8 @@ protected:
     std::vector<GpuMat> image_scales;
 };
 
+//////////////////////////// CascadeClassifier ////////////////////////////
+
 // The cascade classifier class for object detection: supports old haar and new lbp xlm formats and nvbin for haar cascades olny.
 class CV_EXPORTS CascadeClassifier_GPU
 {
@@ -175,6 +214,8 @@ private:
     friend class CascadeClassifier_GPU_LBP;
 };
 
+//////////////////////////// Labeling ////////////////////////////
+
 //!performs labeling via graph cuts of a 2D regular 4-connected graph.
 CV_EXPORTS void graphcut(GpuMat& terminals, GpuMat& leftTransp, GpuMat& rightTransp, GpuMat& top, GpuMat& bottom, GpuMat& labels,
                          GpuMat& buf, Stream& stream = Stream::Null());
@@ -191,6 +232,8 @@ CV_EXPORTS void connectivityMask(const GpuMat& image, GpuMat& mask, const cv::Sc
 //! performs connected componnents labeling.
 CV_EXPORTS void labelComponents(const GpuMat& mask, GpuMat& components, int flags = 0, Stream& stream = Stream::Null());
 
+//////////////////////////// Calib3d ////////////////////////////
+
 CV_EXPORTS void transformPoints(const GpuMat& src, const Mat& rvec, const Mat& tvec,
                                 GpuMat& dst, Stream& stream = Stream::Null());
 
@@ -203,6 +246,8 @@ CV_EXPORTS void solvePnPRansac(const Mat& object, const Mat& image, const Mat& c
                                int num_iters=100, float max_dist=8.0, int min_inlier_count=100,
                                std::vector<int>* inliers=NULL);
 
+//////////////////////////// VStab ////////////////////////////
+
 //! removes points (CV_32FC2, single row matrix) with zero mask value
 CV_EXPORTS void compactPoints(GpuMat &points0, GpuMat &points1, const GpuMat &mask);
 

modules/gpu/perf4au/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(PERF4AU_REQUIRED_DEPS opencv_core opencv_imgproc opencv_highgui opencv_video opencv_legacy opencv_gpu opencv_ts)
+set(PERF4AU_REQUIRED_DEPS opencv_core opencv_imgproc opencv_highgui opencv_video opencv_legacy opencv_ml opencv_ts opencv_gpufilters opencv_gpuimgproc opencv_gpuoptflow)
 
 ocv_check_dependencies(${PERF4AU_REQUIRED_DEPS})
 

modules/gpu/perf4au/main.cpp

@@ -43,7 +43,9 @@
 #include "opencv2/ts.hpp"
 #include "opencv2/ts/gpu_perf.hpp"
 
-#include "opencv2/gpu.hpp"
+#include "opencv2/gpuimgproc.hpp"
+#include "opencv2/gpuoptflow.hpp"
+
 #include "opencv2/highgui.hpp"
 #include "opencv2/video.hpp"
 #include "opencv2/legacy.hpp"

modules/gpu/src/cascadeclassifier.cpp

@@ -75,7 +75,7 @@ public:
 
 #ifndef HAVE_OPENCV_GPULEGACY
 
-struct cv::gpu::CascadeClassifier_GPU::HaarCascade
+struct cv::gpu::CascadeClassifier_GPU::HaarCascade : cv::gpu::CascadeClassifier_GPU::CascadeClassifierImpl
 {
 public:
     HaarCascade()
@@ -508,6 +508,8 @@ private:
             resuzeBuffer.create(frame, CV_8UC1);
 
             integral.create(frame.height + 1, integralFactor * (frame.width + 1), CV_32SC1);
+
+#ifdef HAVE_OPENCV_GPULEGACY
             NcvSize32u roiSize;
             roiSize.width = frame.width;
             roiSize.height = frame.height;
@@ -518,6 +520,7 @@ private:
             Ncv32u bufSize;
             ncvSafeCall( nppiStIntegralGetSize_8u32u(roiSize, &bufSize, prop) );
             integralBuffer.create(1, bufSize, CV_8UC1);
+#endif
 
             candidates.create(1 , frame.width >> 1, CV_32SC4);
         }

modules/gpu/src/precomp.hpp

@@ -43,10 +43,9 @@
 #ifndef __OPENCV_PRECOMP_H__
 #define __OPENCV_PRECOMP_H__
 
-#include <vector>
-#include <iostream>
-
 #include "opencv2/gpu.hpp"
+#include "opencv2/gpuarithm.hpp"
+#include "opencv2/gpuwarping.hpp"
 #include "opencv2/calib3d.hpp"
 #include "opencv2/objdetect.hpp"
 
@@ -55,7 +54,6 @@
 #include "opencv2/opencv_modules.hpp"
 
 #ifdef HAVE_OPENCV_GPULEGACY
-#  include "opencv2/gpulegacy.hpp"
 #  include "opencv2/gpulegacy/private.hpp"
 #endif