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1 // |
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2 // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. |
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3 // Use of this source code is governed by a BSD-style license that can be |
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4 // found in the LICENSE file. |
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5 // |
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6 |
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7 // BufferStorage.h Defines the abstract BufferStorage class. |
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8 |
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9 #ifndef LIBGLESV2_RENDERER_BUFFERSTORAGE_H_ |
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10 #define LIBGLESV2_RENDERER_BUFFERSTORAGE_H_ |
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11 |
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12 #include "common/angleutils.h" |
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13 |
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14 namespace rx |
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15 { |
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16 |
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17 class BufferStorage |
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18 { |
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19 public: |
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20 BufferStorage(); |
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21 virtual ~BufferStorage(); |
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22 |
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23 // The data returned is only guaranteed valid until next non-const method. |
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24 virtual void *getData() = 0; |
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25 virtual void setData(const void* data, unsigned int size, unsigned int offset) = 0; |
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26 virtual void clear() = 0; |
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27 virtual unsigned int getSize() const = 0; |
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28 virtual bool supportsDirectBinding() const = 0; |
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29 virtual void markBufferUsage(); |
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30 unsigned int getSerial() const; |
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31 |
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32 protected: |
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33 void updateSerial(); |
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34 |
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35 private: |
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36 DISALLOW_COPY_AND_ASSIGN(BufferStorage); |
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37 |
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38 unsigned int mSerial; |
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39 static unsigned int mNextSerial; |
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40 }; |
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41 |
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42 } |
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43 |
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44 #endif // LIBGLESV2_RENDERER_BUFFERSTORAGE_H_ |