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1 #if 0
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include "DrawSpanRenew.h"
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5 #include "polygon_pack.h"
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6 #include "SpanPack.h"
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7 #include "texture.h"
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8 #include "viewer_types.h"
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9 #include "Func.h"
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10 #include "global_alloc.h"
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11
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12 #define SPAN_PACK_LOAD 0
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13 #define TEX_LOAD 1
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14 #define FB_STORE 2
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15
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16 SchedDefineTask(DrawSpanRenew);
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17
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18 void
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19 DrawSpanRenew::reboot(SpanPackPtr spack, int cur_span_x)
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20 {
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21 TaskPtr renew_task = smanager->create_task(TASK_DRAW_SPAN2);
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22
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23 renew_task->add_param((int)args);
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24
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25 SpanPackPtr curr = (SpanPackPtr)smanager->allocate(sizeof(SpanPack));
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26 memcpy(curr, spack, sizeof(SpanPack));
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27 renew_task->add_param((int)curr);
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28 renew_task->add_param(cur_span_x);
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29
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30 // linebuf と zRow も引き継がせる
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31 renew_task->add_param((int)linebuf);
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32 renew_task->add_param((int)zRow);
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33
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34 //fprintf(stderr, "[%p] start %u\n", curr, spu_readch(SPU_RdDec));
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35
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36 /**
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37 * 再起動したタスクを待つ
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38 */
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39 smanager->wait_task(renew_task);
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40
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41 // next_spack は free() するので wait する
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42 smanager->dma_wait(SPAN_PACK_LOAD);
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43 }
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44
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45 int
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46 DrawSpanRenew::run(void *rbuf, void *wbuf)
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47 {
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48 SpanPackPtr spack = (SpanPackPtr)smanager->get_param(1);
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49 SpanPackPtr next_spack = (SpanPackPtr)smanager->allocate(sizeof(SpanPack));
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50 SpanPackPtr free_spack1 = spack;
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51 SpanPackPtr free_spack2 = next_spack;
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52 Span *span;
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53
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54 args = (DrawSpanArgPtr)smanager->get_param(0);
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55 uint32 display = args->display;
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56 int screen_width = args->screen_width;
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57 int rangex_start = args->rangex_start;
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58 int rangex_end = args->rangex_end;
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59
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60 // このタスクが担当する x の範囲
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61 int rangex = rangex_end - rangex_start + 1;
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62
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63 // y の範囲 (render_y + rangey - 1)
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64 int rangey = args->rangey;
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65
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66 hash = (TileHashPtr)smanager->global_get(GLOBAL_TEXTURE_HASH);
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67 tileList = (TileListPtr)smanager->global_get(GLOBAL_TILE_LIST);
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68
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69 linebuf = (int*)smanager->get_param(3);
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70 zRow = (float*)smanager->get_param(4);
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71
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72 doneWrite = 0;
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73
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74 // span->length_x の処理での再起動位置
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75 int js_cont = smanager->get_param(2);
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76
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77 //fprintf(stderr, "[%p] end %u\n", spack, spu_readch(SPU_RdDec));
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78
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79 smanager->dma_wait(TEX_LOAD);
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80
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81 do {
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82 /**
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83 * SpanPack->next が存在する場合、
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84 * 現在の SpanPack を処理してる間に
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85 * 次の SpanPack の DMA 転送を行う
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86 */
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87 if (spack->next != NULL) {
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88 smanager->dma_load(next_spack, (uint32)spack->next,
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89 sizeof(SpanPack), SPAN_PACK_LOAD);
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90 } else {
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91 next_spack = NULL;
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92 }
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93
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94 for (int t = spack->info.start; t < spack->info.size; t++) {
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95 span = &spack->span[t];
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96
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97 uint32 rgb = 0x00ff0000;
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98 float tex1 = span->tex_x1;
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99 float tex2 = span->tex_x2;
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100 float tey1 = span->tex_y1;
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101 float tey2 = span->tex_y2;
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102
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103 /**
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104 * Span が持つ 1 pixel 毎の
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105 * テクスチャの座標
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106 */
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107 int tex_xpos;
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108 int tex_ypos;
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109
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110 /**
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111 * (tex_xpos, tex_ypos) の、ブロック内(上の図参照)での座標と
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112 * そのブロックのアドレス(MainMemory)
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113 */
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114 int tex_localx;
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115 int tex_localy;
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116 memaddr tex_addr;
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117
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118 int x = span->x;
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119 int y = span->y;
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120 int x_len = span->length_x;
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121 float z = span->start_z;
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122 float zpos = span->end_z;
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123
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124 // 座標が [0 .. split_screen_w-1] に入るように x,y を -1
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125 int localx = getLocalX(x-1);
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126 int localy = getLocalY(y-1);
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127
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128 if (x_len == 1) {
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129 if (x < rangex_start || rangex_end < x) {
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130 continue;
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131 }
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132
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133 tex_xpos = (int)((span->tex_width-1) * tex1);
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134 tex_ypos = (int)((span->tex_height-1) * tey1);
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135
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136 if (zpos < zRow[localx + (rangex * localy)]) {
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137 tex_addr = getTile(tex_xpos, tex_ypos,
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138 span->tex_width, (memaddr)span->tex_addr);
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139 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL;
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140 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL;
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141
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142 TilePtr tile;
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143 if (!(tile = isAvailableTile(tex_addr))) {
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144 tile = set_rgb(tex_addr, 0);
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145 smanager->dma_wait(0);
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146 }
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147
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148 rgb = get_rgb(tex_localx, tex_localy, tile);
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149
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150 zRow[localx + (rangex*localy)] = zpos;
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151 linebuf[localx + (rangex*localy)] = rgb;
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152 }
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153 } else {
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154 int js = (x < rangex_start) ? rangex_start - x : 0;
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155 int je = (x + x_len > rangex_end) ? rangex_end - x : x_len;
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156 float tex_x, tex_y, tex_z;
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157
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158 /**
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159 * 一回比較すれば、以後再起動するまでは
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160 * js_cont は使わないから 0 にしてるわけだけど、
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161 * 最初の一回のためだけにこれはめんどくさいのー。
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162 */
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163 js = (js < js_cont) ? js_cont : js;
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164 js_cont = 0;
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165
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166 for (int j = js; j <= je; j++) {
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167 localx = getLocalX(x-1+j);
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168
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169 tex_z = z*(x_len-1-j)/(x_len-1) + zpos*j/(x_len-1);
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170
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171 tex_x = tex1*(x_len-1-j)/(x_len-1) + tex2*j/(x_len-1);
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172 tex_y = tey1*(x_len-1-j)/(x_len-1) + tey2*j/(x_len-1);
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173 if (tex_x > 1) tex_x = 1;
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174 if (tex_x < 0) tex_x = 0;
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175 if (tex_y > 1) tex_y = 1;
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176 if (tex_y < 0) tex_y = 0;
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177 tex_xpos = (int)((span->tex_width-1) * tex_x);
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178 tex_ypos = (int)((span->tex_height-1) * tex_y);
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179
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180 if (tex_z < zRow[localx + (rangex*localy)]) {
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181 tex_addr = getTile(tex_xpos, tex_ypos,
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182 span->tex_width, (memaddr)span->tex_addr);
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183 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL;
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184 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL;
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185
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186 TilePtr tile;
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187 if (!(tile = isAvailableTile(tex_addr))) {
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188 spack->info.start = t;
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189 tile = set_rgb(tex_addr, TEX_LOAD);
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190 smanager->dma_wait(TEX_LOAD);
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191 }
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192
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193 rgb = get_rgb(tex_localx, tex_localy, tile);
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194
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195 zRow[localx + (rangex*localy)] = tex_z;
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196 linebuf[localx + (rangex*localy)] = rgb;
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197 }
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198 }
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199 }
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200 }
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201
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202 smanager->dma_wait(SPAN_PACK_LOAD);
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203
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204 SpanPackPtr tmp_spack = spack;
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205 spack = next_spack;
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206 next_spack = tmp_spack;
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207 } while (spack);
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208
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209 writebuffer(display, rangex, rangey, screen_width);
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210
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211 free(zRow);
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212 free(args);
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213
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214 //FINISH:
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215 /**
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216 * linebuf, zRow, args は RenewTask が引き継ぐ
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217 */
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218 free(free_spack1);
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219 free(free_spack2);
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220
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221 return 0;
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222 }
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223 #endif
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