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1 #include <stdio.h>
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2 #include <spu_intrinsics.h>
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3 #include "CreatePolygonPack.h"
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4 #include "polygon_pack.h"
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5 #include "scene_graph_pack.h"
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6 #include "sys.h"
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7
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8 //create_pp(SceneGraphPack *sgp, PolygonPack *pp)
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9 //create_pp(void *read, void *write)
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10 //CreatePolygonPack::run(SceneGraphPack *sgp, PolygonPack *pp)
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85
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11 inline float
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12 CreatePolygonPack::sum_across_float4(vector float v)
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13 {
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14 vector float c12, c2, c3, c4, c34;
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15 vector float result;
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16
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17 c2 = spu_rlqwbyte(v, 4);
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18 c3 = spu_rlqwbyte(v, 8);
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19 c4 = spu_rlqwbyte(v, 12);
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20 c12 = spu_add(v, c2);
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21 c34 = spu_add(c3, c4);
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22
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23 result = spu_add(c12, c34);
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24 return (spu_extract(result, 0));
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25 }
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26
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83
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27 int
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28 CreatePolygonPack::run(void *rbuf, void *wbuf)
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29 {
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30 SceneGraphPack *sgp = (SceneGraphPack*)rbuf;
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31 PolygonPack *pp = (PolygonPack*)wbuf;
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32
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33 float xyz1[4],xyz2[4],xyz3[4];
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34
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35 for (int i = 0; i < sgp->info.size; i++) {
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36 SceneGraphNodePtr node = &sgp->node[i];
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37
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38 int n,nt,pt;
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39 for(n=0,nt=0,pt=0; n<node->size*3; n+=9,nt+=6,pt++) {
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40 xyz1[0] = node->vertex[n];
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41 xyz1[1] = node->vertex[n+1];
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42 xyz1[2] = node->vertex[n+2]*-1;
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43 xyz1[3] = 1;
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44 xyz2[0] = node->vertex[n+3];
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45 xyz2[1] = node->vertex[n+3+1];
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46 xyz2[2] = node->vertex[n+3+2]*-1;
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47 xyz2[3] = 1;
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48 xyz3[0] = node->vertex[n+6];
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49 xyz3[1] = node->vertex[n+6+1];
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50 xyz3[2] = node->vertex[n+6+2]*-1;
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51 xyz3[3] = 1;
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52
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53 rotate(xyz1, node->translation);
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54 rotate(xyz2, node->translation);
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55 rotate(xyz3, node->translation);
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56
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57 pp->tri[pt].ver1.x = xyz1[0];
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58 pp->tri[pt].ver1.y = xyz1[1];
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59 pp->tri[pt].ver1.z = xyz1[2];
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60 pp->tri[pt].ver1.tex_x = node->texture[nt];
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61 pp->tri[pt].ver1.tex_y = node->texture[nt+1];
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62
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63 pp->tri[pt].ver2.x = xyz2[0];
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64 pp->tri[pt].ver2.y = xyz2[1];
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65 pp->tri[pt].ver2.z = xyz2[2];
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66 pp->tri[pt].ver2.tex_x = node->texture[nt+2];
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67 pp->tri[pt].ver2.tex_y = node->texture[nt+2+1];
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68
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69 pp->tri[pt].ver3.x = xyz3[0];
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70 pp->tri[pt].ver3.y = xyz3[1];
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71 pp->tri[pt].ver3.z = xyz3[2];
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72 pp->tri[pt].ver3.tex_x = node->texture[nt+4];
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73 pp->tri[pt].ver3.tex_y = node->texture[nt+4+1];
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74
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75 pp->tri[pt].tex_width = node->tex_width;
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76 pp->tri[pt].tex_height = node->tex_height;
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83
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77 }
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78 pp->info.size = pt;
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87
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79 pp->ssl = sgp->ssl;
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83
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80 }
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81
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82 return sizeof(PolygonPack);
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83 }
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84
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85
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86 void
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87 CreatePolygonPack::rotate(float *xyz, float *matrix)
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88 {
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87
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89 #if 1
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83
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90 float abc[4];
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91
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92 abc[0] = xyz[0];
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93 abc[1] = xyz[1];
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94 abc[2] = xyz[2];
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95 abc[3] = xyz[3];
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96
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97 // SIMD 使えるよね
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98 for (int i=0; i<4; i++)
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99 {
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100 xyz[i] = abc[0]*matrix[i] + abc[1]*matrix[i+4] + abc[2]*matrix[i+8] + abc[3]*matrix[i+12];
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101 }
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102 #else
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103 vector float *abc = (vector float *)xyz;
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104 float tmp[4];
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105
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106 vector float matrixT0 = (vector float){matrix[0], matrix[4], matrix[8], matrix[12]};
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107 vector float matrixT1 = (vector float){matrix[1], matrix[5], matrix[9], matrix[13]};
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108 vector float matrixT2 = (vector float){matrix[2], matrix[6], matrix[10], matrix[14]};
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109 vector float matrixT3 = (vector float){matrix[3], matrix[7], matrix[11], matrix[15]};
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110
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85
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111 #if 1
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112 vector float *v_tmp = (vector float *)tmp;
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113
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114 *v_tmp = spu_mul(*abc, matrixT0);
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115 xyz[0] = tmp[0] + tmp[1] + tmp[2] + tmp[3];
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116 *v_tmp = spu_mul(*abc, matrixT1);
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117 xyz[1] = tmp[0] + tmp[1] + tmp[2] + tmp[3];
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118 *v_tmp = spu_mul(*abc, matrixT2);
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119 xyz[2] = tmp[0] + tmp[1] + tmp[2] + tmp[3];
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120 *v_tmp = spu_mul(*abc, matrixT3);
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121 xyz[3] = tmp[0] + tmp[1] + tmp[2] + tmp[3];
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85
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122 #else
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123 vector float v_tmp;
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124
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125 v_tmp = spu_mul(*abc, matrixT0);
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126 xyz[0] = sum_across_float4(v_tmp);
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127 v_tmp = spu_mul(*abc, matrixT1);
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128 xyz[1] = sum_across_float4(v_tmp);
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129 v_tmp = spu_mul(*abc, matrixT2);
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130 xyz[2] = sum_across_float4(v_tmp);
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131 v_tmp = spu_mul(*abc, matrixT3);
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132 xyz[3] = sum_across_float4(v_tmp);
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133 #endif
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134 #endif
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135
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136 }
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137
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138 SchedTask*
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139 createTask_createPolygonPack(TaskListPtr _taskList, TaskPtr _task,
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140 void *rbuff, void *wbuff, DmaManager *dma)
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141 {
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142 return new CreatePolygonPack(_taskList, _task, rbuff, wbuff, dma);
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143 }
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