Repo created

qt/qt_common/qtoglcontextfactory.hpp

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+#pragma once
+
+#include "drape/graphics_context_factory.hpp"
+#include "qt/qt_common/qtoglcontext.hpp"
+
+#include <QtGui/QOpenGLContext>
+
+#include <memory>
+
+namespace qt
+{
+namespace common
+{
+class QtOGLContextFactory : public dp::GraphicsContextFactory
+{
+public:
+  QtOGLContextFactory(QOpenGLContext * rootContext);
+  ~QtOGLContextFactory() override;
+
+  void PrepareToShutdown();
+
+  bool AcquireFrame();
+  GLuint GetTextureHandle() const;
+  QRectF const & GetTexRect() const;
+
+  // dp::GraphicsContextFactory overrides:
+  dp::GraphicsContext * GetDrawContext() override;
+  dp::GraphicsContext * GetResourcesUploadContext() override;
+  bool IsDrawContextCreated() const override { return m_drawContext != nullptr; }
+  bool IsUploadContextCreated() const override { return m_uploadContext != nullptr; }
+
+private:
+  std::unique_ptr<QOffscreenSurface> CreateSurface();
+
+  QOpenGLContext * m_rootContext;
+  std::unique_ptr<QtRenderOGLContext> m_drawContext;
+  std::unique_ptr<QOffscreenSurface> m_drawSurface;
+  std::unique_ptr<QtUploadOGLContext> m_uploadContext;
+  std::unique_ptr<QOffscreenSurface> m_uploadSurface;
+  bool m_preparedToShutdown = false;
+};
+}  // namespace common
+}  // namespace qt