Refactor project

Crealned up some TODOs, FIXMEs etc. Added better error handling. Looks
better, feels better.

graphics/src/vulkan_buffers.h

@@ -2,6 +2,8 @@
 #define RSE_VULKAN_BUFFERS_H
 
 #include "vulkan_commons.h"
+#include "utilities/rse_commons.h"
+
 #include "vk_mem_alloc.h"
 
 #include <stdint.h>
@@ -21,9 +23,9 @@ struct rse_buffer_data_t
 /**
  * @brief Create buffers needed by vulkan pipeline
  *
- * @return uint8_t
+ * @return rse_err_t RSE_ERROR_NO_ERROR on success
  */
-uint8_t create_buffers();
+rse_err_t create_buffers();
 
 /**
  * @brief Update uniform buffers
@@ -38,9 +40,9 @@ void update_uniform_buffers();
  * @param indices Indices to add
  * @param vertex_data Mutable vertex data. Count will be read and buffer offset will be set
  * @param index_data Mutable index data. Count will be read and buffer offset will be set
- * @return uint8_t
+ * @return rse_err_t RSE_ERROR_NO_ERROR on success
  */
-uint8_t rse_add_vertices(uint16_t mesh_id,
+rse_err_t rse_add_vertices(uint16_t mesh_id,
                          const struct rse_vertex_t* vertices,
                          const uint16_t* indices,
                          struct rse_buffer_data_t* vertex_data,
@@ -51,18 +53,18 @@ uint8_t rse_add_vertices(uint16_t mesh_id,
  *
  * @param mesh_id Mesh ID
  * @param instance_data Instance data
- * @return uint8_t VULKAN_ERROR_NO_ERROR on success
+ * @return rse_err_t RSE_ERROR_NO_ERROR on success
  */
-uint8_t update_mesh_instances(uint16_t mesh_id, struct rse_instance_data_t* instance_data);
+rse_err_t update_mesh_instances(uint16_t mesh_id, struct rse_instance_data_t* instance_data);
 
 /**
  * @brief Record commands for given image index
  *
  * @param vulkan_state
  * @param imageIndex
- * @return uint8_t VULKAN_ERROR_NO_ERROR on success
+ * @return rse_err_t RSE_ERROR_NO_ERROR on success
  */
-uint8_t record_command_buffer(uint32_t imageIndex);
+rse_err_t record_command_buffer(uint32_t imageIndex);
 
 /**
  * @brief Reset command buffer for current frame.
@@ -87,10 +89,10 @@ void destroy_buffers();
  * @param memory_usage memory usage flags (mostly VMA_MEMORY_USAGE_AUTO)
  * @param allocation_flags VMA allocation flags
  * @param buffer Buffer, that will be allocated
- * @return uint8_t VULKAN_ERROR_NO_ERROR on success. Possible errors:
+ * @return rse_err_t RSE_ERROR_NO_ERROR on success. Possible errors:
  *             VULKAN_ERROR_COMMAND_BUFFER_ALLOCATION_FAILED
  */
-uint8_t create_buffer(const VkDeviceSize size,
+rse_err_t create_buffer(const VkDeviceSize size,
                     VkBufferUsageFlags buffer_usage,
                     VmaMemoryUsage memory_usage,
                     const VmaAllocationCreateFlags allocation_flags,