added buffer system and fixed rendering functions

include/arc/graphics/renderer.h

@@ -5,22 +5,21 @@
 extern "C" {
 #endif
 
+#include <stdint.h>
+
 /**
  * @brief predefien ARC_EngineData so as not to get circular reference
 */
 typedef struct ARC_EngineData ARC_EngineData;
 
 /**
- * @note ARC_RendererType is determined by which window library you are using
+ * @note ARC_RendererType is determined by which window backend you are using
 */
 typedef struct ARC_RendererType ARC_Renderer;
 
 /**
  * @brief creates ARC_Renderer type with ARC_EngineData
  *
- * @note the parameter data is determined by which graphics library you are using
- *       please refer to the graphics library section to see what needs to be passed
- *
  * @param renderer ARC_Renderer to initialize
  * @param data     the engine data to create from
  */
@@ -43,12 +42,48 @@ void ARC_Renderer_Clear(ARC_Renderer *renderer);
 /**
  * @brief renders the renderer
  *
- * @note the renderer will most likely be drawn to from ARC_EngineData
- *
- * @param renderer the renderer to render
+ * @param renderer renders all buffers and current renderer to window
 */
 void ARC_Renderer_Render(ARC_Renderer *renderer);
 
+/**
+ * @brief
+ *
+ * @param renderer
+ * @param zIndex
+*/
+void ARC_Renderer_InitBuffer(ARC_Renderer *renderer, uint32_t zIndex);
+
+/**
+ * @brief
+ *
+ * @param renderer
+ * @param zIndex
+*/
+void ARC_Renderer_RemoveBuffer(ARC_Renderer *renderer, uint32_t zIndex);
+
+/**
+ * @brief
+ *
+ * @param renderer
+*/
+void ARC_Renderer_ClearBuffers(ARC_Renderer *renderer);
+
+/**
+ * @brief
+ *
+ * @param renderer
+ * @param zIndex
+*/
+void ARC_Renderer_SetCurrentBuffer(ARC_Renderer *renderer, uint32_t zIndex);
+
+/**
+ * @brief
+ *
+ * @param renderer
+*/
+void ARC_Renderer_UnsetBuffer(ARC_Renderer *renderer);
+
 #ifdef __cplusplus
 }
 #endif