Panda3D

vertexDataBook.I

00001 // Filename: vertexDataBook.I
00002 // Created by:  drose (16May07)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 
00016 ////////////////////////////////////////////////////////////////////
00017 //     Function: VertexDataBook::alloc
00018 //       Access: Published
00019 //  Description: Allocates and returns a new VertexDataBuffer of the
00020 //               requested size.
00021 ////////////////////////////////////////////////////////////////////
00022 INLINE VertexDataBlock *VertexDataBook::
00023 alloc(size_t size) {
00024   MutexHolder holder(_lock);
00025   return do_alloc(size);
00026 }
00027 
00028 ////////////////////////////////////////////////////////////////////
00029 //     Function: VertexDataBook::get_num_pages
00030 //       Access: Published
00031 //  Description: Returns the number of pages created for the book.
00032 ////////////////////////////////////////////////////////////////////
00033 INLINE int VertexDataBook::
00034 get_num_pages() const {
00035   return _pages.size();
00036 }
00037 
00038 ////////////////////////////////////////////////////////////////////
00039 //     Function: VertexDataBook::create_new_page
00040 //       Access: Private
00041 //  Description: Creates a new page of sufficient size to hold the
00042 //               requested block.  The page is not added to the _pages
00043 //               list.
00044 ////////////////////////////////////////////////////////////////////
00045 INLINE VertexDataPage *VertexDataBook::
00046 create_new_page(size_t size) {
00047   size_t page_size = ((size + _block_size - 1) / _block_size) * _block_size;
00048   return new VertexDataPage(this, page_size, _block_size);
00049 }
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