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Viewing changes to tests/acceptance-tests/test_render_override.cpp

  • Committer: Daniel van Vugt
  • Date: 2015-04-28 07:54:10 UTC
  • mfrom: (2517 development-branch)
  • mto: This revision was merged to the branch mainline in revision 2673.
  • Revision ID: daniel.van.vugt@canonical.com-20150428075410-rwskshfuar7voesp
Merge latest trunk and fix conflicts.

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tests/acceptance-tests/test_render_override.cpp
 
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/*
 
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 * Copyright © 2015 Canonical Ltd.
 
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 *
 
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 * This program is free software: you can redistribute it and/or modify it
 
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 * under the terms of the GNU General Public License version 3,
 
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 * as published by the Free Software Foundation.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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 *
 
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 * Authored by: Kevin DuBois <kevin.dubois@canonical.com>
 
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 */
 
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#include "mir_toolkit/mir_client_library.h"
 
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#include "mir_test_framework/connected_client_with_a_surface.h"
 
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#include "mir/compositor/display_buffer_compositor.h"
 
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#include "mir/compositor/display_buffer_compositor_factory.h"
 
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#include "mir/compositor/scene_element.h"
 
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#include "mir/compositor/compositor.h"
 
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#include "mir/graphics/renderable.h"
 
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#include <mutex>
 
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#include <condition_variable>
 
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#include <gtest/gtest.h>
 
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#include <gmock/gmock.h>
 
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namespace mtf = mir_test_framework;
 
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namespace geom = mir::geometry;
 
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namespace mc = mir::compositor;
 
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namespace mg = mir::graphics;
 
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namespace
 
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{
 
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struct size_less
 
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{
 
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    bool operator() (geom::Size const& a, geom::Size const& b)
 
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    {
 
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        return a.width < b.width && a.height < b.height;
 
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    }
 
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};
 
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struct CompositionTracker
 
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{
 
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    bool wait_until_surface_is_rendered_with_size(geom::Size sz)
 
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    {
 
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        using namespace std::literals::chrono_literals;
 
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        std::unique_lock<decltype(mutex)> lk(mutex);
 
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        return cv.wait_for(lk, 4s, [this, sz] {
 
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            return std::find(rendered_sizes.begin(), rendered_sizes.end(), sz) != rendered_sizes.end();
 
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        });
 
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    }
 
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    void surface_rendered_with_size(geom::Size sz)
 
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    {
 
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        std::unique_lock<decltype(mutex)> lk(mutex);
 
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        rendered_sizes.emplace(sz);
 
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        cv.notify_all();
 
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    }
 
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private:
 
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    std::set<geom::Size, size_less> rendered_sizes;
 
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    std::mutex mutex;
 
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    std::condition_variable cv;
 
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};
 
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struct CustomDBC : mc::DisplayBufferCompositor
 
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{
 
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    CustomDBC(std::shared_ptr<CompositionTracker> const& tracker) :
 
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        tracker(tracker)
 
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    {
 
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    }
 
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    void composite(mc::SceneElementSequence&& sequence) override
 
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    {
 
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        for(auto const& element : sequence)
 
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        {
 
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            auto renderable = element->renderable(); 
 
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            renderable->buffer(); //consume buffer to stop compositor from spinning
 
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            tracker->surface_rendered_with_size(renderable->screen_position().size);
 
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        }
 
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    }
 
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private:
 
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    std::shared_ptr<CompositionTracker> const tracker;
 
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};
 
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struct CustomDBCFactory : mc::DisplayBufferCompositorFactory
 
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{
 
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    CustomDBCFactory(std::shared_ptr<CompositionTracker> const& tracker) :
 
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        tracker(tracker)
 
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    {
 
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    }
 
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    std::unique_ptr<mc::DisplayBufferCompositor> create_compositor_for(mg::DisplayBuffer&) override
 
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    {
 
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        return std::make_unique<CustomDBC>(tracker);
 
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    }
 
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private:
 
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    std::shared_ptr<CompositionTracker> const tracker;
 
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};
 
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struct DisplayBufferCompositorOverride : mtf::ConnectedClientWithASurface
 
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{
 
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    void SetUp() override
 
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    {
 
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        using namespace std::literals::chrono_literals;
 
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        server.override_the_display_buffer_compositor_factory([this]
 
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        {
 
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            return std::make_shared<CustomDBCFactory>(tracker);
 
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        });
 
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        mtf::ConnectedClientWithASurface::SetUp();
 
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    }
 
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    void TearDown() override
 
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    {
 
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        mtf::ConnectedClientWithASurface::TearDown();
 
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    }
 
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protected:
 
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    std::shared_ptr<CompositionTracker> const tracker{std::make_shared<CompositionTracker>()};
 
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};
 
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}
 
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TEST_F(DisplayBufferCompositorOverride, composite_called_with_surface)
 
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{
 
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    mir_buffer_stream_swap_buffers_sync(mir_surface_get_buffer_stream(surface));
 
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    EXPECT_TRUE(tracker->wait_until_surface_is_rendered_with_size({surface_params.width, surface_params.height}));
 
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}