Mercurial > hg > Members > e085722 > Cerium

comparison Renderer/Engine/spe/CreatePolygon.cc @ 0:04e28d8d3c6f

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first commit
author Daiki KINJYO <e085722@ie.u-ryukyu.ac.jp>
date Mon, 08 Nov 2010 01:23:25 +0900
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-1:000000000000 0:04e28d8d3c6f
1 #include "CreatePolygon.h"
2
3 SchedDefineTask(CreatePolygon);
4
5 static void
6 ApplyMatrix(float *v, float *m)
7 {
8 float t[4];
9
10 t[0] = v[0];
11 t[1] = v[1];
12 t[2] = v[2];
13 t[3] = v[3];
14
15 for (int i = 0; i < 4; i++) {
16 v[i] = t[0]*m[i] + t[1]*m[i+4] + t[2]*m[i+8] + t[3]*m[i+12];
17 }
18 }
19
20 static void
21 ApplyNormalMatrix(float *v, float *m)
22 {
23 float t[4];
24
25 t[0] = v[0];
26 t[1] = v[1];
27 t[2] = v[2];
28
29 for (int i = 0; i < 3; i++) {
30 v[i] = t[0]*m[i] + t[1]*m[i+4] + t[2]*m[i+8];
31 }
32 }
33
34
35 static int
36 run(SchedTask *smanager, void *rbuf, void *wbuf)
37 {
38
39 TrianglePack *sg_tri = (TrianglePack*)smanager->get_input(0);
40 texture_list *sg_texture_info = (texture_list*)smanager->get_input(1);
41 float *sg_matrix = (float*)smanager->get_input(2);
42 TrianglePack *pp_tri = (TrianglePack*)smanager->get_output(0);
43 int *tri_num = (int*)smanager->get_param(0);
44
45 float *matrix = sg_matrix;
46 float *real_matrix = sg_matrix + 16;
47
48 float xyz1[4], xyz2[4], xyz3[4];
49 float normal1[4],normal2[4],normal3[4];
50
51 for (int i = 0; i < *tri_num; i++) {
52
53 TrianglePack *pp_cur_tri = &pp_tri[i];
54 TrianglePack *sg_cur_tri = &sg_tri[i];
55
56 xyz1[0] = sg_cur_tri->ver1.x;
57 xyz1[1] = sg_cur_tri->ver1.y;
58 xyz1[2] = sg_cur_tri->ver1.z*-1.0f;
59 xyz1[3] = 1.0f;
60
61 xyz2[0] = sg_cur_tri->ver2.x;
62 xyz2[1] = sg_cur_tri->ver2.y;
63 xyz2[2] = sg_cur_tri->ver2.z*-1.0f;
64 xyz2[3] = 1.0f;
65
66 xyz3[0] = sg_cur_tri->ver3.x;
67 xyz3[1] = sg_cur_tri->ver3.y;
68 xyz3[2] = sg_cur_tri->ver3.z*-1.0f;
69 xyz3[3] = 1.0f;
70
71 // matrix = 回転行列*透視変換行列
72 ApplyMatrix(xyz1, matrix);
73 ApplyMatrix(xyz2, matrix);
74 ApplyMatrix(xyz3, matrix);
75
76 xyz1[0] /= xyz1[2];
77 xyz1[1] /= xyz1[2];
78 xyz2[0] /= xyz2[2];
79 xyz2[1] /= xyz2[2];
80 xyz3[0] /= xyz3[2];
81 xyz3[1] /= xyz3[2];
82
83 pp_cur_tri->ver1.x = xyz1[0];
84 pp_cur_tri->ver1.y = xyz1[1];
85 pp_cur_tri->ver1.z = xyz1[2];
86 pp_cur_tri->ver1.tex_x = sg_cur_tri->ver1.tex_x;
87 pp_cur_tri->ver1.tex_y = sg_cur_tri->ver1.tex_y;
88
89 pp_cur_tri->ver2.x = xyz2[0];
90 pp_cur_tri->ver2.y = xyz2[1];
91 pp_cur_tri->ver2.z = xyz2[2];
92 pp_cur_tri->ver2.tex_x = sg_cur_tri->ver2.tex_x;
93 pp_cur_tri->ver2.tex_y = sg_cur_tri->ver2.tex_y;
94
95 pp_cur_tri->ver3.x = xyz3[0];
96 pp_cur_tri->ver3.y = xyz3[1];
97 pp_cur_tri->ver3.z = xyz3[2];
98 pp_cur_tri->ver3.tex_x = sg_cur_tri->ver3.tex_x;
99 pp_cur_tri->ver3.tex_y = sg_cur_tri->ver3.tex_y;
100
101 normal1[0] = sg_cur_tri->normal1.x;
102 normal1[1] = sg_cur_tri->normal1.y;
103 normal1[2] = sg_cur_tri->normal1.z*-1.0f;
104 normal1[3] = 0.0f;
105
106 normal1[0] = sg_cur_tri->normal2.x;
107 normal1[1] = sg_cur_tri->normal2.y;
108 normal1[2] = sg_cur_tri->normal2.z*-1.0f;
109 normal1[3] = 0.0f;
110
111 normal1[0] = sg_cur_tri->normal3.x;
112 normal1[1] = sg_cur_tri->normal3.y;
113 normal1[2] = sg_cur_tri->normal3.z*-1.0f;
114 normal1[3] = 0.0f;
115
116 ApplyNormalMatrix(normal1,real_matrix);
117 ApplyNormalMatrix(normal2,real_matrix);
118 ApplyNormalMatrix(normal3,real_matrix);
119
120 normal1[0] /= normal1[2];
121 normal1[1] /= normal1[2];
122
123 normal2[0] /= normal2[2];
124 normal2[1] /= normal2[2];
125
126 normal3[0] /= normal3[2];
127 normal3[1] /= normal3[2];
128
129 pp_cur_tri->normal1.x = normal1[0];
130 pp_cur_tri->normal1.y = normal1[1];
131 pp_cur_tri->normal1.z = normal1[2];
132
133 pp_cur_tri->normal2.x = normal2[0];
134 pp_cur_tri->normal2.y = normal2[1];
135 pp_cur_tri->normal2.z = normal2[2];
136
137 pp_cur_tri->normal3.x = normal3[0];
138 pp_cur_tri->normal3.y = normal3[1];
139 pp_cur_tri->normal3.z = normal3[2];
140
141 pp_cur_tri->tex_info.addr = sg_texture_info->pixels;
142 pp_cur_tri->tex_info.width = sg_texture_info->t_w;
143 pp_cur_tri->tex_info.height = sg_texture_info->t_h;
144 pp_cur_tri->tex_info.scale_max = sg_texture_info->scale_max;
145
146 }
147
148 return 0;
149
150 }