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#include <mbgl/test/util.hpp>
#include <mbgl/test/fixture_log_observer.hpp>
#include <mbgl/map/map.hpp>
#include <mbgl/renderer/backend_scope.hpp>
#include <mbgl/gl/headless_backend.hpp>
#include <mbgl/gl/offscreen_view.hpp>
#include <mbgl/util/default_thread_pool.hpp>
#include <mbgl/storage/default_file_source.hpp>
#include <mbgl/renderer/renderer.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/test/stub_renderer_frontend.hpp>
#include <mbgl/style/layers/line_layer.hpp>
#include <mbgl/style/sources/geojson_source.hpp>
#include <future>
using namespace mbgl;
TEST(API, RepeatedRender) {
util::RunLoop loop;
const auto style = util::read_file("test/fixtures/api/water.json");
HeadlessBackend backend;
BackendScope scope { backend };
OffscreenView view { backend.getContext(), { 512, 512 } };
float pixelRatio { 1 };
DefaultFileSource fileSource(":memory:", "test/fixtures/api/assets");
ThreadPool threadPool(4);
StubRendererFrontend rendererFrontend {
std::make_unique<Renderer>(backend, pixelRatio, fileSource, threadPool), view };
Log::setObserver(std::make_unique<FixtureLogObserver>());
Map map(rendererFrontend, MapObserver::nullObserver(), view.getSize(), pixelRatio, fileSource,
threadPool, MapMode::Still);
{
map.getStyle().loadJSON(style);
PremultipliedImage result;
map.renderStill([&](std::exception_ptr) {
result = view.readStillImage();
});
while (!result.valid()) {
loop.runOnce();
}
ASSERT_EQ(512u, result.size.width);
ASSERT_EQ(512u, result.size.height);
test::checkImage("test/fixtures/api/repeated_render", result, 0.0003, 0.1);
}
{
map.getStyle().loadJSON(style);
PremultipliedImage result;
map.renderStill([&](std::exception_ptr) {
result = view.readStillImage();
});
while (!result.valid()) {
loop.runOnce();
}
ASSERT_EQ(512u, result.size.width);
ASSERT_EQ(512u, result.size.height);
test::checkImage("test/fixtures/api/repeated_render", result, 0.0003, 0.1);
}
auto observer = Log::removeObserver();
auto flo = dynamic_cast<FixtureLogObserver*>(observer.get());
auto unchecked = flo->unchecked();
EXPECT_TRUE(unchecked.empty()) << unchecked;
}
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