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1 | /* |
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2 | * ---------------------------------------------------------------------- |
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3 | * texture3d.h: 3d texture class |
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4 | * |
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5 | * ====================================================================== |
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6 | * AUTHOR: Wei Qiao <qiaow@purdue.edu> |
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7 | * Purdue Rendering and Perceptualization Lab (PURPL) |
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8 | * |
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9 | * Copyright (c) 2004-2006 Purdue Research Foundation |
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10 | * |
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11 | * See the file "license.terms" for information on usage and |
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12 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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13 | * ====================================================================== |
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14 | */ |
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15 | #ifndef _TEXTURE_3D_H_ |
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16 | #define _TEXTURE_3D_H_ |
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17 | |
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18 | #include <GL/glew.h> |
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19 | #include "config.h" |
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20 | |
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21 | class Texture3D{ |
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22 | |
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23 | |
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24 | public: |
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25 | int width; |
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26 | int height; |
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27 | int depth; |
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28 | |
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29 | double aspect_ratio_width; |
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30 | double aspect_ratio_height; |
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31 | double aspect_ratio_depth; |
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32 | |
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33 | GLuint type; |
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34 | GLuint interp_type; |
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35 | int n_components; |
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36 | bool gl_resource_allocated; |
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37 | |
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38 | GLuint id; |
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39 | GLuint tex_unit; |
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40 | |
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41 | Texture3D(); |
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42 | Texture3D(int width, int height, int depth, GLuint type, GLuint interp, int n); |
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43 | ~Texture3D(); |
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44 | |
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45 | void activate(); |
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46 | void deactivate(); |
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47 | GLuint initialize(float* data); |
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48 | static void check_max_size(); |
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49 | static void check_max_unit(); |
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50 | |
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51 | void update(float* data); |
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52 | |
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53 | }; |
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54 | |
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55 | #endif |
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