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Open Source Computer Vision Library
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87 lines
2.5 KiB
87 lines
2.5 KiB
6 years ago
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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//
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// Copyright (C) 2018 Intel Corporation
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#include "test_precomp.hpp"
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#include "gapi_mock_kernels.hpp"
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#include "compiler/gmodel.hpp"
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#include "compiler/gcompiler.hpp"
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namespace opencv_test {
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namespace {
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struct MockMeta
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{
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static const char* name() { return "MockMeta"; }
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};
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class GMockBackendImpl final: public cv::gapi::GBackend::Priv
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{
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virtual void unpackKernel(ade::Graph &,
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const ade::NodeHandle &,
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const cv::GKernelImpl &) override
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{
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// Do nothing here
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}
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virtual EPtr compile(const ade::Graph &,
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const cv::GCompileArgs &,
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const std::vector<ade::NodeHandle> &) const override
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{
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// Do nothing here as well
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return {};
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}
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virtual void addBackendPasses(ade::ExecutionEngineSetupContext &ectx) override
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{
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ectx.addPass("transform", "set_mock_meta", [](ade::passes::PassContext &ctx) {
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ade::TypedGraph<MockMeta> me(ctx.graph);
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for (const auto &nh : me.nodes())
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{
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me.metadata(nh).set(MockMeta{});
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}
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});
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}
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};
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static cv::gapi::GBackend mock_backend(std::make_shared<GMockBackendImpl>());
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GAPI_OCV_KERNEL(MockFoo, I::Foo)
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{
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static void run(const cv::Mat &, cv::Mat &) { /*Do nothing*/ }
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static cv::gapi::GBackend backend() { return mock_backend; } // FIXME: Must be removed
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};
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} // anonymous namespace
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TEST(GBackend, CustomPassesExecuted)
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{
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cv::GMat in;
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cv::GMat out = I::Foo::on(in);
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cv::GComputation c(in, out);
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// Prepare compilation parameters manually
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const auto in_meta = cv::GMetaArg(cv::GMatDesc{CV_8U,1,cv::Size(32,32)});
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const auto pkg = cv::gapi::kernels<MockFoo>();
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// Directly instantiate G-API graph compiler and run partial compilation
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cv::gimpl::GCompiler compiler(c, {in_meta}, cv::compile_args(pkg));
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cv::gimpl::GCompiler::GPtr graph = compiler.generateGraph();
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compiler.runPasses(*graph);
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// Inspect the graph and verify the metadata written by Mock backend
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ade::TypedGraph<MockMeta> me(*graph);
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EXPECT_LT(0u, static_cast<std::size_t>(me.nodes().size()));
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for (const auto &nh : me.nodes())
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{
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EXPECT_TRUE(me.metadata(nh).contains<MockMeta>());
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}
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}
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} // namespace opencv_test
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