[qt] rendering interface changes

1 files changed, 32 insertions, 0 deletions

diff --git a/platform/qt/src/qmapboxgl_renderer_frontend_p.cpp b/platform/qt/src/qmapboxgl_renderer_frontend_p.cpp
new file mode 100644
index 0000000000..836a9431b8
--- /dev/null
+++ b/platform/qt/src/qmapboxgl_renderer_frontend_p.cpp
@@ -0,0 +1,32 @@
+#include "qmapboxgl_renderer_frontend_p.hpp"
+
+#include <mbgl/map/backend_scope.hpp>
+#include <mbgl/renderer/renderer.hpp>
+
+QMapboxGLRendererFrontend::QMapboxGLRendererFrontend(std::unique_ptr<mbgl::Renderer> renderer_, mbgl::View& view_)
+    : renderer(std::move(renderer_))
+    , view(view_) {
+}
+
+QMapboxGLRendererFrontend::~QMapboxGLRendererFrontend() = default;
+
+void QMapboxGLRendererFrontend::reset() {
+    if (renderer) {
+        renderer.reset();
+    }
+}
+
+void QMapboxGLRendererFrontend::update(std::shared_ptr<mbgl::UpdateParameters> updateParameters_) {
+    updateParameters = updateParameters_;
+    emit updated();
+}
+
+void QMapboxGLRendererFrontend::setObserver(mbgl::RendererObserver& observer_) {
+    if (!renderer) return;
+    renderer->setObserver(&observer_);
+}
+
+void QMapboxGLRendererFrontend::render() {
+    if (!renderer || !updateParameters) return;
+    renderer->render(view, *updateParameters);
+}