Merge pull request #3614 from hipudding:ascendc

Enable AscendC kernel operator

modules/cannops/CMakeLists.txt

@@ -15,3 +15,9 @@ ocv_include_directories(${CMAKE_SOURCE_DIR}/modules/ts/include)
 ocv_add_accuracy_tests(DEPENDS_ON opencv_cannops)
 ocv_add_perf_tests(DEPENDS_ON opencv_cannops)
 ocv_add_samples(opencv_cannops)
+
+# compile ascnedc kernels.
+add_subdirectory(ascendc_kernels)
+ocv_include_directories(${CMAKE_BINARY_DIR}/include/ascendc_kernels)
+ocv_target_link_libraries(opencv_cannops PRIVATE ascendc_kernels)
+ocv_target_link_libraries(opencv_test_cannops PRIVATE ascendc_kernels)

modules/cannops/ascendc_kernels/CMakeLists.txt

@@ -0,0 +1,17 @@
+set(SOC_VERSION "ascend310p3" CACHE STRING "system on chip type")
+set(ASCEND_CANN_PACKAGE_PATH "/usr/local/Ascend/ascend-toolkit/latest" CACHE PATH "ASCEND CANN package installation directory")
+set(RUN_MODE "npu" CACHE STRING "run mode: npu/sim/cpu")
+
+if(EXISTS ${ASCEND_CANN_PACKAGE_PATH}/compiler/tikcpp/ascendc_kernel_cmake)
+    set(ASCENDC_CMAKE_DIR ${ASCEND_CANN_PACKAGE_PATH}/compiler/tikcpp/ascendc_kernel_cmake)
+elseif(EXISTS ${ASCEND_CANN_PACKAGE_PATH}/ascendc_devkit/tikcpp/samples/cmake)
+    set(ASCENDC_CMAKE_DIR ${ASCEND_CANN_PACKAGE_PATH}/ascendc_devkit/tikcpp/samples/cmake)
+else()
+    message(FATAL_ERROR "ascendc_kernel_cmake does not exist, please check whether the compiler package is installed.")
+endif()
+
+include(${ASCENDC_CMAKE_DIR}/ascendc.cmake)
+
+ascendc_library(ascendc_kernels STATIC
+    threshold_opencv_kernel.cpp
+)

modules/cannops/ascendc_kernels/kernel_tiling_types.h

@@ -0,0 +1,22 @@
+#ifndef KERNEL_TILING_H
+#define KERNEL_TILING_H
+
+/*
+ * threshType:
+ *   THRESH_BINARY     = 0,
+ *   THRESH_BINARY_INV = 1,
+ *   THRESH_TRUNC      = 2,
+ *   THRESH_TOZERO     = 3,
+ *   THRESH_TOZERO_INV = 4,
+*/
+#pragma pack(push, 8)
+struct ThresholdOpencvTilingData
+{
+    float maxVal;
+    float thresh;
+    uint32_t totalLength;
+    uint8_t threshType;
+    uint8_t dtype;
+};
+#pragma pack(pop)
+#endif // KERNEL_TILING_H