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Open Source Computer Vision Library
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86 lines
2.5 KiB
86 lines
2.5 KiB
// 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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