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[node, tests] Consolidate headless rendering logic in HeadlessFrontend

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This commit is contained in:
John Firebaugh
2017-07-21 16:36:31 -07:00
parent 11933f6ab8
commit 32bd1d54fa
40 changed files with 380 additions and 770 deletions
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35
bin/render.cpp
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@@ -2,14 +2,10 @@
#include <mbgl/util/image.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/gl/headless_backend.hpp>
#include <mbgl/gl/offscreen_view.hpp>
#include <mbgl/gl/headless_frontend.hpp>
#include <mbgl/util/default_thread_pool.hpp>
#include <mbgl/storage/default_file_source.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/renderer/renderer.hpp>
#include <mbgl/renderer/backend_scope.hpp>
#include <mbgl/renderer/async_renderer_frontend.hpp>
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunknown-pragmas"
@@ -85,13 +81,9 @@ int main(int argc, char *argv[]) {
fileSource.setAccessToken(std::string(token));
}
HeadlessBackend backend;
BackendScope scope { backend };
OffscreenView view(backend.getContext(), { static_cast<uint32_t>(width * pixelRatio),
static_cast<uint32_t>(height * pixelRatio) });
ThreadPool threadPool(4);
AsyncRendererFrontend rendererFrontend(std::make_unique<Renderer>(backend, pixelRatio, fileSource, threadPool), backend, view);
Map map(rendererFrontend, MapObserver::nullObserver(), mbgl::Size { width, height }, pixelRatio, fileSource, threadPool, MapMode::Still);
HeadlessFrontend frontend({ width, height }, pixelRatio, fileSource, threadPool);
Map map(frontend, MapObserver::nullObserver(), frontend.getSize(), pixelRatio, fileSource, threadPool, MapMode::Still);
if (style_path.find("://") == std::string::npos) {
style_path = std::string("file://") + style_path;
@@ -106,23 +98,14 @@ int main(int argc, char *argv[]) {
map.setDebug(debug ? mbgl::MapDebugOptions::TileBorders | mbgl::MapDebugOptions::ParseStatus : mbgl::MapDebugOptions::NoDebug);
}
map.renderStill([&](std::exception_ptr error) {
try {
if (error) {
std::rethrow_exception(error);
}
} catch(std::exception& e) {
std::cout << "Error: " << e.what() << std::endl;
exit(1);
}
try {
std::ofstream out(output, std::ios::binary);
out << encodePNG(view.readStillImage());
out << encodePNG(frontend.render(map));
out.close();
loop.stop();
});
loop.run();
} catch(std::exception& e) {
std::cout << "Error: " << e.what() << std::endl;
exit(1);
}
return 0;
}