+void *Buffer::map()
+{
+ if(ARB_map_buffer_range)
+ {
+ if(ARB_direct_state_access)
+ return glMapNamedBufferRange(id, 0, size, GL_MAP_READ_BIT|GL_MAP_WRITE_BIT);
+ else
+ {
+ BindRestore _bind(this, type);
+ return glMapBufferRange(type, 0, size, GL_MAP_READ_BIT|GL_MAP_WRITE_BIT);
+ }
+ }
+ else if(ARB_direct_state_access)
+ return glMapNamedBuffer(id, GL_READ_WRITE);
+ else if(OES_mapbuffer)
+ {
+ BindRestore _bind(this, type);
+ return glMapBuffer(type, GL_READ_WRITE);
+ }
+ else
+ throw invalid_operation("Buffer::map");
+}
+
+bool Buffer::unmap()
+{
+ // TODO check if it's mapped
+ if(ARB_direct_state_access)
+ return glUnmapNamedBuffer(id);
+ else if(OES_mapbuffer)
+ {
+ BindRestore _bind(this, type);
+ return glUnmapBuffer(type);
+ }
+ else
+ return true;
+}
+