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#include <mbgl/renderer/renderer.hpp>
#include <mbgl/renderer/renderer_frontend.hpp>
/**
The RenderFrontend is passed to the Map to facilitate rendering in a platform
dependent way.
*/
class MGLRenderFrontend : public mbgl::RendererFrontend
{
public:
MGLRenderFrontend(std::unique_ptr<mbgl::Renderer> renderer_, MGLMapView* nativeView_, mbgl::View* mbglView_)
: renderer(std::move(renderer_))
, nativeView(nativeView_)
, mbglView(mbglView_) {
}
void reset() override {
if (renderer) {
renderer.reset();
}
}
void update(std::shared_ptr<mbgl::UpdateParameters> updateParameters_) override {
updateParameters = std::move(updateParameters_);
[nativeView setNeedsGLDisplay];
}
void setObserver(mbgl::RendererObserver& observer) override {
if (!renderer) return;
renderer->setObserver(&observer);
}
void render() {
if (!renderer || !updateParameters) return;
renderer->render(*mbglView, *updateParameters);
}
mbgl::Renderer* getRenderer() {
return renderer.get();
}
void onLowMemory() {
if (!renderer) return;
renderer->onLowMemory();
}
private:
std::unique_ptr<mbgl::Renderer> renderer;
__weak MGLMapView *nativeView = nullptr;
mbgl::View *mbglView = nullptr;
std::shared_ptr<mbgl::UpdateParameters> updateParameters;
};
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