Remove RAM stored mesh data

Remove RAM stored vertices and indices data. It is now stored only in
GPU memory.

graphics/src/vulkan_buffers.h

@@ -10,7 +10,6 @@
 /**
  * @brief Create buffers needed by vulkan pipeline
  *
- * @param vulkan_state
  * @return uint8_t
  */
 uint8_t create_buffers();
@@ -18,22 +17,37 @@ uint8_t create_buffers();
 /**
  * @brief Update uniform buffers
  *
- * @param vulkan_state
  */
 void update_uniform_buffers();
 
+/**
+ * @brief Add vertices and indices to vulkan buffers
+ *
+ * @param vertices Vertices to add
+ * @param indices Indices to add
+ * @param vertices_num Number of vertices to add
+ * @param indices_num Number of indices to add
+ * @return uint8_t VULKAN_ERROR_NO_ERROR on success
+ */
 uint8_t update_mesh_buffers(const struct rse_vertex_t* vertices,
                             const uint16_t* indices,
                             size_t vertices_num,
                             size_t indices_num);
 
+/**
+ * @brief Add instance data to vulkan buffers
+ *
+ * @param instance_data Instance data
+ * @return uint8_t VULKAN_ERROR_NO_ERROR on success
+ */
 uint8_t update_mesh_instances(struct rse_instance_data_t* instance_data);
+
 /**
  * @brief Record commands for given image index
  *
  * @param vulkan_state
  * @param imageIndex
- * @return uint8_t
+ * @return uint8_t VULKAN_ERROR_NO_ERROR on success
  */
 uint8_t record_command_buffer(uint32_t imageIndex);