Ported VAS OT into OpenCV G-API

modules/gapi/3rdparty/vasot/CMakeLists.txt

@@ -0,0 +1,33 @@
+project(gapi.3rdparty.vasot)
+
+set(TARGET_NAME gapi.3rdparty.vasot)
+
+file(GLOB_RECURSE lib_srcs *.cpp)
+file(GLOB_RECURSE lib_hdrs *.hpp)
+
+add_library(${TARGET_NAME} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${lib_srcs} ${lib_hdrs})
+
+target_include_directories(${TARGET_NAME} PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>
+    )
+target_include_directories(${TARGET_NAME} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src)
+
+target_link_libraries(${TARGET_NAME} PRIVATE opencv_core)
+ocv_target_include_modules(${TARGET_NAME} opencv_core)
+
+set_target_properties(${TARGET_NAME}
+  PROPERTIES OUTPUT_NAME ${TARGET_NAME}
+  DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
+  COMPILE_PDB_NAME ${TARGET_NAME}
+  COMPILE_PDB_NAME_DEBUG "${TARGET_NAME}${OPENCV_DEBUG_POSTFIX}"
+  ARCHIVE_OUTPUT_DIRECTORY ${3P_LIBRARY_OUTPUT_PATH}
+  )
+
+if(ENABLE_SOLUTION_FOLDERS)
+  set_target_properties(${TARGET_NAME} PROPERTIES FOLDER "3rdparty")
+endif()
+
+if(NOT BUILD_SHARED_LIBS)
+  ocv_install_target(${TARGET_NAME} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
+endif()

modules/gapi/3rdparty/vasot/include/vas/common.hpp

@@ -0,0 +1,83 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+//
+// Copyright (C) 2023 Intel Corporation
+
+#ifndef VAS_COMMON_HPP
+#define VAS_COMMON_HPP
+
+#include <cstdint>
+
+#define OT_VERSION_MAJOR 1
+#define OT_VERSION_MINOR 0
+#define OT_VERSION_PATCH 0
+
+#define VAS_EXPORT //__attribute__((visibility("default")))
+
+namespace vas {
+
+/**
+ * @class Version
+ *
+ * Contains version information.
+ */
+class Version {
+  public:
+    /**
+     * Constructor.
+     *
+     * @param[in] major Major version.
+     * @param[in] minor Minor version.
+     * @param[in] patch Patch version.
+     */
+    explicit Version(uint32_t major, uint32_t minor, uint32_t patch) : major_(major), minor_(minor), patch_(patch) {
+    }
+
+    /**
+     * Returns major version.
+     */
+    uint32_t GetMajor() const noexcept {
+        return major_;
+    }
+
+    /**
+     * Returns minor version.
+     */
+    uint32_t GetMinor() const noexcept {
+        return minor_;
+    }
+
+    /**
+     * Returns patch version.
+     */
+    uint32_t GetPatch() const noexcept {
+        return patch_;
+    }
+
+  private:
+    uint32_t major_;
+    uint32_t minor_;
+    uint32_t patch_;
+};
+
+/**
+ * @enum BackendType
+ *
+ * Represents HW backend types.
+ */
+enum class BackendType {
+    CPU,  /**< CPU */
+    GPU  /**< GPU */
+};
+
+/**
+ * @enum ColorFormat
+ *
+ * Represents Color formats.
+ */
+enum class ColorFormat { BGR, NV12, BGRX, GRAY, I420 };
+
+}; // namespace vas
+
+#endif // VAS_COMMON_HPP