Repo created

libs/drape/support_manager.hpp

@@ -0,0 +1,61 @@
+#pragma once
+
+#include "drape/graphics_context.hpp"
+#include "drape/pointers.hpp"
+
+#include "base/macros.hpp"
+
+#include <array>
+#include <cstdint>
+#include <mutex>
+#include <string>
+
+namespace dp
+{
+extern std::string_view kSupportedAntialiasing;
+
+class SupportManager
+{
+public:
+  // This singleton must be available only from rendering threads.
+  static SupportManager & Instance();
+
+  // Initialization must be called only when graphics context is created.
+  // Initialization happens once per application launch, so SupportManager
+  // must not contain any properties which can be changed in the case of contexts
+  // reinitialization.
+  void Init(ref_ptr<GraphicsContext> context);
+
+  bool IsAntialiasingEnabledByDefault() const { return m_isAntialiasingEnabledByDefault; }
+
+  float GetMaxLineWidth() const { return m_maxLineWidth; }
+  uint32_t GetMaxTextureSize() const { return m_maxTextureSize; }
+
+  // These functions can be used without manager initialization.
+  static void ForbidVulkan();
+
+  using Version = std::array<uint32_t, 3>;
+  static bool IsVulkanForbidden();
+  static bool IsVulkanForbidden(std::string const & deviceName, Version apiVersion, Version driverVersion,
+                                bool isCustomROM, int sdkVersion);
+  static bool IsVulkanTexturePartialUpdateBuggy(int sdkVersion, std::string const & deviceName, Version apiVersion,
+                                                Version driverVersion);
+
+private:
+  struct Configuration;
+
+  SupportManager() = default;
+
+  std::string m_rendererName;
+  std::string m_rendererVersion;
+  bool m_isAntialiasingEnabledByDefault = false;
+
+  float m_maxLineWidth = 1;
+  uint32_t m_maxTextureSize = 1024;
+
+  bool m_isInitialized = false;
+  std::mutex m_mutex;
+
+  DISALLOW_COPY_AND_MOVE(SupportManager);
+};
+}  // namespace dp