X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fgraphicsbuffer.h;h=47534c9b3cbb244f15f419fa0798d4abccbc4efc;hp=15e5b427da66a6e599563d7ad9bdf69dc1983454;hb=eff96d65bd1101083e04cb3ff2468b3feea3ff9e;hpb=81786f2f649a1d73ef8d4e40dc03beec4fd53698;ds=inline

diff --git a/src/graphicsbuffer.h b/src/graphicsbuffer.h
index 15e5b42..47534c9 100644
--- a/src/graphicsbuffer.h
+++ b/src/graphicsbuffer.h
@@ -9,7 +9,7 @@
 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 +52,20 @@ 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();
 	private:
+		void RecreateBuffer();
 		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;
 	};
 
 }