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1 #ifndef MIN3D_H_
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2 #define MIN3D_H_
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3
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4 #include "inttypes.h"
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5
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6 /* state toggles */
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7 enum {
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8 M3D_DEPTH_TEST,
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9 M3D_CULL_FACE,
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10 M3D_LIGHTING,
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11 M3D_LIGHT0,
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12 M3D_LIGHT1,
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13 M3D_LIGHT2,
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14 M3D_LIGHT3
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15 };
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16
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17 /* buffer bits */
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18 enum {
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19 M3D_COLOR_BUFFER_BIT = 1,
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20 M3D_DEPTH_BUFFER_BIT = 2
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21 };
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22
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23 /* primitives */
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24 enum {
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25 M3D_POINTS = 1,
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26 M3D_LINES = 2,
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27 M3D_TRIANGLES = 3,
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28 M3D_QUADS = 4
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29 };
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30
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31 /* matrix mode */
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32 enum {
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33 M3D_MODELVIEW,
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34 M3D_PROJECTION
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35 };
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36
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37 struct m3d_image {
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38 int xsz, ysz;
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39 unsigned char *pixels;
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40 };
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41
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42 #ifdef __cplusplus
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43 extern "C" {
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44 #endif
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45
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46 void m3d_set_buffers(struct m3d_image *cbuf, uint16_t *zbuf);
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47 void m3d_clear(unsigned int bmask);
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48
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49 void m3d_enable(int bit);
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50 void m3d_disable(int bit);
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51
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52 /* matrix stack */
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53 void m3d_matrix_mode(int mode);
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54 void m3d_load_identity(void);
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55 void m3d_load_matrix(const float *m);
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56 void m3d_mult_matrix(const float *m);
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57 void m3d_translate(float x, float y, float z);
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58 void m3d_rotate(float angle, float x, float y, float z);
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59 void m3d_scale(float x, float y, float z);
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60 void m3d_frustum(float left, float right, float bottom, float top, float nr, float fr);
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61 void m3d_perspective(float vfov, float aspect, float znear, float zfar);
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62
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63 /* drawing */
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64 void m3d_vertex_array(const float *varr);
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65 void m3d_normal_array(const float *narr);
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66 void m3d_color_array(const float *carr);
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67 void m3d_texcoord_array(const float *tcarr);
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68
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69 void m3d_draw(int prim, int vcount);
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70 void m3d_draw_indexed(int prim, const int *idxarr, int icount);
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71
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72 /* TODO immediate mode */
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73
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74 #ifdef __cplusplus
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75 }
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76 #endif
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77
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78 #endif /* MIN3D_H_ */
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