--- /dev/null
+add_library(openvx_hal STATIC src/openvx_hal.cpp)
+target_include_directories(openvx_hal PUBLIC
+ ${CMAKE_CURRENT_SOURCE_DIR}/include
+ ${CMAKE_SOURCE_DIR}/modules/core/include
+ ${OPENVX_INCLUDE_DIR})
+target_link_libraries(openvx_hal LINK_PUBLIC ${OPENVX_LIBRARIES})
+set_target_properties(openvx_hal PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
+set_target_properties(openvx_hal PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${3P_LIBRARY_OUTPUT_PATH})
+if(NOT BUILD_SHARED_LIBS)
+ ocv_install_target(openvx_hal EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
+endif()
+
+set(OPENVX_HAL_FOUND TRUE PARENT_SCOPE)
+set(OPENVX_HAL_VERSION 0.0.1 PARENT_SCOPE)
+set(OPENVX_HAL_LIBRARIES "openvx_hal" PARENT_SCOPE)
+set(OPENVX_HAL_HEADERS "${CMAKE_CURRENT_SOURCE_DIR}/include/openvx_hal.hpp" PARENT_SCOPE)
+set(OPENVX_HAL_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/include" "${OPENVX_INCLUDE_DIR}" PARENT_SCOPE)
--- /dev/null
+#ifndef OPENCV_OPENVX_HAL_HPP_INCLUDED
+#define OPENCV_OPENVX_HAL_HPP_INCLUDED
+
+#include "opencv2/core/hal/interface.h"
+
+#include "VX/vx.h"
+#include "VX/vxu.h"
+
+#include <string>
+
+//==================================================================================================
+// utility
+// ...
+
+#if 0
+#include <cstdio>
+#define PRINT(...) printf(__VA_ARGS__)
+#else
+#define PRINT(...)
+#endif
+
+#if __cplusplus >= 201103L
+#include <chrono>
+struct Tick
+{
+ typedef std::chrono::time_point<std::chrono::steady_clock> point_t;
+ point_t start;
+ point_t point;
+ Tick()
+ {
+ start = std::chrono::steady_clock::now();
+ point = std::chrono::steady_clock::now();
+ }
+ inline int one()
+ {
+ point_t old = point;
+ point = std::chrono::steady_clock::now();
+ return std::chrono::duration_cast<std::chrono::microseconds>(point - old).count();
+ }
+ inline int total()
+ {
+ return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now() - start).count();
+ }
+};
+#endif
+
+//==================================================================================================
+// One more OpenVX C++ binding :-)
+// ...
+
+template <typename T>
+struct VX_Traits
+{
+ enum {
+ Type = 0
+ };
+};
+
+template <>
+struct VX_Traits<uchar>
+{
+ enum {
+ Type = VX_DF_IMAGE_U8
+ };
+};
+
+template <>
+struct VX_Traits<ushort>
+{
+ enum {
+ Type = VX_DF_IMAGE_U16
+ };
+};
+
+template <>
+struct VX_Traits<short>
+{
+ enum {
+ Type = VX_DF_IMAGE_S16
+ };
+};
+
+
+struct vxContext;
+struct vxImage;
+struct vxErr;
+
+
+struct vxErr
+{
+ vx_status status;
+ std::string msg;
+ vxErr(vx_status status_, const std::string & msg_) : status(status_), msg(msg_) {}
+ void check()
+ {
+ if (status != VX_SUCCESS)
+ throw *this;
+ }
+ void print()
+ {
+ PRINT("OpenVX HAL impl error: %d (%s)\n", status, msg.c_str());
+ }
+ static void check(vx_context ctx)
+ {
+ vxErr(vxGetStatus((vx_reference)ctx), "context check").check();
+ }
+ static void check(vx_image img)
+ {
+ vxErr(vxGetStatus((vx_reference)img), "image check").check();
+ }
+ static void check(vx_status s)
+ {
+ vxErr(s, "status check").check();
+ }
+};
+
+
+struct vxContext
+{
+ vx_context ctx;
+ static vxContext * getContext();
+private:
+ vxContext()
+ {
+ ctx = vxCreateContext();
+ vxErr::check(ctx);
+ }
+ ~vxContext()
+ {
+ vxReleaseContext(&ctx);
+ }
+};
+
+
+struct vxImage
+{
+ vx_image img;
+
+ template <typename T>
+ vxImage(vxContext &ctx, const T *data, size_t step, int w, int h)
+ {
+ if (h == 1)
+ step = w * sizeof(T);
+ vx_imagepatch_addressing_t addr;
+ addr.dim_x = w;
+ addr.dim_y = h;
+ addr.stride_x = sizeof(T);
+ addr.stride_y = step;
+ addr.scale_x = VX_SCALE_UNITY;
+ addr.scale_y = VX_SCALE_UNITY;
+ addr.step_x = 1;
+ addr.step_y = 1;
+ void *ptrs[] = { (void*)data };
+ img = vxCreateImageFromHandle(ctx.ctx, VX_Traits<T>::Type, &addr, ptrs, VX_MEMORY_TYPE_HOST);
+ vxErr::check(img);
+ }
+ ~vxImage()
+ {
+ vxSwapImageHandle(img, NULL, NULL, 1);
+ vxReleaseImage(&img);
+ }
+};
+
+//==================================================================================================
+// real code starts here
+// ...
+
+template <typename T>
+inline int ovx_hal_add(const T *a, size_t astep, const T *b, size_t bstep, T *c, size_t cstep, int w, int h)
+{
+ try
+ {
+ vxContext * ctx = vxContext::getContext();
+ vxImage ia(*ctx, a, astep, w, h);
+ vxImage ib(*ctx, b, bstep, w, h);
+ vxImage ic(*ctx, c, cstep, w, h);
+ vxErr::check(vxuAdd(ctx->ctx, ia.img, ib.img, VX_CONVERT_POLICY_SATURATE, ic.img));
+ }
+ catch (vxErr & e)
+ {
+ e.print();
+ return CV_HAL_ERROR_UNKNOWN;
+ }
+ return CV_HAL_ERROR_OK;
+}
+
+//==================================================================================================
+// functions redefinition
+// ...
+
+#undef cv_hal_add8u
+#define cv_hal_add8u ovx_hal_add<uchar>
+#undef cv_hal_add16s
+#define cv_hal_add16s ovx_hal_add<short>
+
+#endif
OCV_OPTION(WITH_WEBP "Include WebP support" ON IF (NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_OPENEXR "Include ILM support via OpenEXR" ON IF (NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_OPENGL "Include OpenGL support" OFF IF (NOT ANDROID AND NOT WINRT) )
+OCV_OPTION(WITH_OPENVX "Include OpenVX support" OFF)
OCV_OPTION(WITH_OPENNI "Include OpenNI support" OFF IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_OPENNI2 "Include OpenNI2 support" OFF IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_PNG "Include PNG support" ON)
include(cmake/OpenCVDetectVTK.cmake)
+if(WITH_OPENVX)
+ include(cmake/FindOpenVX.cmake)
+endif()
# ----------------------------------------------------------------------------
# OpenCV HAL
set(OpenCV_HAL "OpenCV_HAL")
endif()
+if(HAVE_OPENVX)
+ if(NOT ";${OpenCV_HAL};" MATCHES ";openvx;")
+ set(OpenCV_HAL "openvx;${OpenCV_HAL}")
+ endif()
+endif()
+
if(WITH_CAROTENE)
ocv_debug_message(STATUS "Enable carotene acceleration")
if(NOT ";${OpenCV_HAL};" MATCHES ";carotene;")
add_subdirectory(3rdparty/carotene/hal)
ocv_hal_register(CAROTENE_HAL_LIBRARIES CAROTENE_HAL_HEADERS CAROTENE_HAL_INCLUDE_DIRS)
list(APPEND OpenCV_USED_HAL "carotene (ver ${CAROTENE_HAL_VERSION})")
+ elseif(hal STREQUAL "openvx")
+ add_subdirectory(3rdparty/openvx)
+ ocv_hal_register(OPENVX_HAL_LIBRARIES OPENVX_HAL_HEADERS OPENVX_HAL_INCLUDE_DIRS)
+ list(APPEND OpenCV_USED_HAL "openvx (ver ${OPENVX_HAL_VERSION})")
else()
ocv_debug_message(STATUS "OpenCV HAL: ${hal} ...")
ocv_clear_vars(OpenCV_HAL_LIBRARIES OpenCV_HAL_HEADERS OpenCV_HAL_INCLUDE_DIRS)
status(" Use Eigen:" HAVE_EIGEN THEN "YES (ver ${EIGEN_WORLD_VERSION}.${EIGEN_MAJOR_VERSION}.${EIGEN_MINOR_VERSION})" ELSE NO)
status(" Use Cuda:" HAVE_CUDA THEN "YES (ver ${CUDA_VERSION_STRING})" ELSE NO)
status(" Use OpenCL:" HAVE_OPENCL THEN YES ELSE NO)
+status(" Use OpenVX:" HAVE_OPENVX THEN "YES (${OPENVX_LIBS})" ELSE "NO")
status(" Use custom HAL:" OpenCV_USED_HAL THEN "YES (${OpenCV_USED_HAL})" ELSE "NO")
if(HAVE_CUDA)