56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file bufferContextChain.h
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* @author drose
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* @date 2006-03-16
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*/
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#ifndef BUFFERCONTEXTCHAIN_H
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#define BUFFERCONTEXTCHAIN_H
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#include "pandabase.h"
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#include "linkedListNode.h"
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class BufferContext;
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/**
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* This class maintains a linked list of BufferContexts that might be
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* allocated on the graphics card in some context. There is a different
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* BufferContextChain for resident textures, active textures, evicted
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* textures, etc.
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*
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* The primary purpose of this class is to facilitate PStats reporting of
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* graphics memory usage.
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*/
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class EXPCL_PANDA_GOBJ BufferContextChain : private LinkedListNode {
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public:
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INLINE BufferContextChain();
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INLINE ~BufferContextChain();
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INLINE size_t get_total_size() const;
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INLINE int get_count() const;
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BufferContext *get_first();
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void take_from(BufferContextChain &other);
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void write(std::ostream &out, int indent_level) const;
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private:
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INLINE void adjust_bytes(int delta);
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size_t _total_size;
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int _count;
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friend class BufferContext;
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};
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#include "bufferContextChain.I"
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#endif
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