New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/drape/vulkan/vulkan_layers.hpp

@@ -0,0 +1,52 @@
+#pragma once
+
+#include <vulkan_wrapper.h>
+
+#include <cstdint>
+#include <vector>
+
+namespace dp
+{
+namespace vulkan
+{
+class Layers
+{
+public:
+  explicit Layers(bool enableDiagnostics);
+
+  // These methods are available before initialization.
+  uint32_t GetInstanceLayersCount() const;
+  char const * const * GetInstanceLayers() const;
+  uint32_t GetInstanceExtensionsCount() const;
+  char const * const * GetInstanceExtensions() const;
+
+  bool Initialize(VkInstance instance, VkPhysicalDevice physicalDevice);
+  void Uninitialize(VkInstance instance);
+
+  // These methods are available after initialization.
+  uint32_t GetDeviceLayersCount() const;
+  char const * const * GetDeviceLayers() const;
+  uint32_t GetDeviceExtensionsCount() const;
+  char const * const * GetDeviceExtensions() const;
+
+  bool IsValidationFeaturesEnabled() const;
+
+private:
+  bool const m_enableDiagnostics;
+
+  std::vector<char const *> m_instanceLayers;
+  std::vector<char const *> m_instanceExtensions;
+
+  std::vector<char const *> m_deviceLayers;
+  std::vector<char const *> m_deviceExtensions;
+
+  VkDebugReportCallbackEXT m_reportCallback {0};
+
+  PFN_vkCreateDebugReportCallbackEXT m_vkCreateDebugReportCallbackEXT = nullptr;
+  PFN_vkDestroyDebugReportCallbackEXT m_vkDestroyDebugReportCallbackEXT = nullptr;
+  PFN_vkDebugReportMessageEXT m_vkDebugReportMessageEXT = nullptr;
+
+  bool m_validationFeaturesEnabled = false;
+};
+}  // namespace vulkan
+}  // namespace dp