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1 /*
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2 SaneGL - a small library to bring back sanity to OpenGL ES 2.x
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3 Copyright (C) 2011-2013 John Tsiombikas <nuclear@member.fsf.org>
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation, either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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18
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19 #ifndef SANEGL_H_
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20 #define SANEGL_H_
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21
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22 #include "opengl.h"
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23
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24 #ifndef GL_POINTS
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25 #define GL_POINTS 0
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26 #endif
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27 #ifndef GL_LINES
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28 #define GL_LINES 1
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29 #endif
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30 #ifndef GL_TRIANGLES
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31 #define GL_TRIANGLES 4
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32 #endif
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33 #ifndef GL_QUADS
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34 #define GL_QUADS 7
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35 #endif
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36
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37 /* glGet stuff */
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38 #ifndef GL_VIEWPORT
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39 #define GL_VIEWPORT 0x0BA2
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40 #endif
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41 #ifndef GL_MODELVIEW_MATRIX
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42 #define GL_MODELVIEW_MATRIX 0x0BA6
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43 #endif
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44 #ifndef GL_PROJECTION_MATRIX
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45 #define GL_PROJECTION_MATRIX 0x0BA7
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46 #endif
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47
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48 #ifdef GLDEF
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49
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50 #define glBegin gl_begin
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51 #define glEnd gl_end
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52 #define glVertex2f gl_vertex2f
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53 #define glVertex3f gl_vertex3f
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54 #define glVertex4f gl_vertex4f
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55 #define glNormal3f gl_normal3f
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56 #define glColor3f gl_color3f
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57 #define glColor4f gl_color4f
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58 #define glTexCoord1f gl_texcoord1f
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59 #define glTexCoord2f gl_texcoord2f
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60 #define glVertexAttrib2f gl_vertex_attrib2f
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61 #define glVertexAttrib3f gl_vertex_attrib3f
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62 #define glVertexAttrib4f gl_vertex_attrib4f
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63
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64 #define gluPerspective glu_perspective
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65
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66 #endif /* GLDEF */
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67
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68 #ifdef __cplusplus
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69 extern "C" {
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70 #endif
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71
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72 /* immediate mode rendering */
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73 void gl_begin(int prim);
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74 void gl_end(void);
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75
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76 void gl_vertex2f(float x, float y);
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77 void gl_vertex3f(float x, float y, float z);
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78 void gl_vertex4f(float x, float y, float z, float w);
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79
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80 void gl_normal3f(float x, float y, float z);
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81
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82 void gl_color3f(float r, float g, float b);
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83 void gl_color4f(float r, float g, float b, float a);
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84
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85 void gl_texcoord1f(float s);
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86 void gl_texcoord2f(float s, float t);
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87
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88 /* GLU */
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89
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90 void glu_perspective(float fov, float aspect, float nearz, float farz);
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91
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92 #ifdef __cplusplus
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93 }
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94 #endif
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95
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96 #endif /* SANEGL_H_ */
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