X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fgraphicsbuffer.h;h=9513cb74a1842faa7a14eb1c241d0c96a503128e;hb=f8ef964f021d1d6da6ea46bbb1fe8f0250a5be8c;hp=15e5b427da66a6e599563d7ad9bdf69dc1983454;hpb=81786f2f649a1d73ef8d4e40dc03beec4fd53698;p=ipdf%2Fcode.git

diff --git a/src/graphicsbuffer.h b/src/graphicsbuffer.h
index 15e5b42..9513cb7 100644
--- a/src/graphicsbuffer.h
+++ b/src/graphicsbuffer.h
@@ -2,14 +2,13 @@
 #define _GRAPHICSBUFFER_H
 
 #include <SDL.h>
-#define GL_GLEXT_PROTOTYPES
-#include <SDL_opengl.h>
+#include "gl_core44.h"
 
 
 namespace IPDF
 {
-	/*
-	 * The "Screen" class handles managing the OS window (using SDL2).
+	/**
+	 * Implementation of an OpenGL buffer, with some extra cleverness.
 	 */
 	class GraphicsBuffer
 	{
@@ -52,15 +51,21 @@ namespace IPDF
 		void UploadRange(size_t length, intptr_t offset, const void *data);
 
 		void Resize(size_t length);
+		const size_t GetSize() const { return m_buffer_size; }
+
+		void Invalidate();
 		
-		void Bind();
+		void Bind() const;
 	private:
+		bool RecreateBuffer(const void *data = nullptr);
 		GLuint m_buffer_handle;
 		BufferType m_buffer_type;
 		BufferUsage m_buffer_usage;
 		void *m_map_pointer;
 		size_t m_buffer_size;
 		bool m_invalidated;
+		bool m_buffer_shape_dirty;
+		bool m_faking_map;
 	};
 
 }