New cpp folder structure

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

libs/shaders/vulkan_program_pool.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "shaders/program_pool.hpp"
+
+#include "drape/graphics_context.hpp"
+#include "drape/pointers.hpp"
+#include "drape/vulkan/vulkan_gpu_program.hpp"
+
+#include <array>
+
+namespace gpu
+{
+namespace vulkan
+{
+class VulkanProgramPool : public ProgramPool
+{
+public:
+  explicit VulkanProgramPool(ref_ptr<dp::GraphicsContext> context);
+  ~VulkanProgramPool() override;
+
+  void Destroy(ref_ptr<dp::GraphicsContext> context);
+  drape_ptr<dp::GpuProgram> Get(Program program) override;
+
+  uint32_t GetMaxUniformBuffers() const;
+  uint32_t GetMaxImageSamplers() const;
+
+private:
+  struct ProgramData
+  {
+    VkShaderModule m_vertexShader;
+    VkShaderModule m_fragmentShader;
+    VkDescriptorSetLayout m_descriptorSetLayout;
+    VkPipelineLayout m_pipelineLayout;
+    dp::vulkan::VulkanGpuProgram::TextureBindings m_textureBindings;
+  };
+  std::array<ProgramData, static_cast<size_t>(Program::ProgramsCount)> m_programData;
+  uint32_t m_maxImageSamplers = 0;
+};
+}  // namespace vulkan
+}  // namespace gpu