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283
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1 #include <stdlib.h>
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2 #include <string.h>
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3 #include "DrawSpanRenew.h"
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4 #include "polygon_pack.h"
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5 #include "SpanPack.h"
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6 #include "texture.h"
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7 #include "viewer_types.h"
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8 #include "Func.h"
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9
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10 #define SPAN_PACK_LOAD 0
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11 #define TEX_LOAD 1
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12 #define FB_STORE 2
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13
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14 SchedDefineTask(DrawSpanRenew);
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15
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16 void
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17 DrawSpanRenew::reboot(SpanPackPtr spack, int cur_span_x)
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18 {
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19 TaskPtr renew_task = smanager->create_task(TASK_DRAW_SPAN2);
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20
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21 renew_task->add_param((int)args);
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22
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23 SpanPackPtr curr = (SpanPackPtr)smanager->allocate(sizeof(SpanPack));
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24 memcpy(curr, spack, sizeof(SpanPack));
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25 renew_task->add_param((int)curr);
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26 renew_task->add_param(cur_span_x);
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27
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28 // linebuf と zRow も引き継がせる
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29 renew_task->add_param((int)linebuf);
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30 renew_task->add_param((int)zRow);
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31
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32 //fprintf(stderr, "[%p] start %u\n", curr, spu_readch(SPU_RdDec));
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33
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34 /**
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35 * 再起動したタスクを待つ
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36 */
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37 smanager->wait_task(renew_task);
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38
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39 // next_spack は free() するので wait する
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40 smanager->dma_wait(SPAN_PACK_LOAD);
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41 }
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42
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43 int
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44 DrawSpanRenew::run(void *rbuf, void *wbuf)
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45 {
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46 SpanPackPtr spack = (SpanPackPtr)smanager->get_param(1);
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47 SpanPackPtr next_spack = (SpanPackPtr)smanager->allocate(sizeof(SpanPack));
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48 SpanPackPtr free_spack1 = spack;
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49 SpanPackPtr free_spack2 = next_spack;
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50 Span *span;
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51
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52 args = (DrawSpanArgPtr)smanager->get_param(0);
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53 uint32 display = args->display;
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54 int screen_width = args->screen_width;
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55 int rangex_start = args->rangex_start;
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56 int rangex_end = args->rangex_end;
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57
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58 // このタスクが担当する x の範囲
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59 int rangex = rangex_end - rangex_start + 1;
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60
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61 // y の範囲 (render_y + rangey - 1)
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62 int rangey = args->rangey;
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63
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64 hash = (TileHashPtr)smanager->global_get(GLOBAL_TEXTURE_HASH);
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65 tileList = (TileListPtr)smanager->global_get(GLOBAL_TILE_LIST);
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66
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67 linebuf = (int*)smanager->get_param(3);
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68 zRow = (float*)smanager->get_param(4);
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69
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70 doneWrite = 0;
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71
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72 // span->length_x の処理での再起動位置
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73 int js_cont = smanager->get_param(2);
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74
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75 //fprintf(stderr, "[%p] end %u\n", spack, spu_readch(SPU_RdDec));
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76
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77 smanager->dma_wait(TEX_LOAD);
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78
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79 do {
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80 /**
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81 * SpanPack->next が存在する場合、
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82 * 現在の SpanPack を処理してる間に
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83 * 次の SpanPack の DMA 転送を行う
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84 */
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85 if (spack->next != NULL) {
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86 smanager->dma_load(next_spack, (uint32)spack->next,
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87 sizeof(SpanPack), SPAN_PACK_LOAD);
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88 } else {
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89 next_spack = NULL;
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90 }
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91
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92 for (int t = spack->info.start; t < spack->info.size; t++) {
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93 span = &spack->span[t];
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94
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95 uint32 rgb = 0x00ff0000;
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96 float tex1 = span->tex_x1;
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97 float tex2 = span->tex_x2;
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98 float tey1 = span->tex_y1;
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99 float tey2 = span->tex_y2;
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100
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101 /**
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102 * Span が持つ 1 pixel 毎の
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103 * テクスチャの座標
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104 */
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105 int tex_xpos;
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106 int tex_ypos;
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107
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108 /**
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109 * (tex_xpos, tex_ypos) の、ブロック内(上の図参照)での座標と
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110 * そのブロックのアドレス(MainMemory)
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111 */
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112 int tex_localx;
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113 int tex_localy;
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114 uint32 *tex_addr;
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115
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116 int x = span->x;
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117 int y = span->y;
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118 int x_len = span->length_x;
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119 float z = span->start_z;
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120 float zpos = span->end_z;
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121
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122 // 座標が [0 .. split_screen_w-1] に入るように x,y を -1
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123 int localx = getLocalX(x-1);
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124 int localy = getLocalY(y-1);
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125
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126 if (x_len == 1) {
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127 if (x < rangex_start || rangex_end < x) {
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128 continue;
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129 }
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130
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131 tex_xpos = (int)((span->tex_width-1) * tex1);
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132 tex_ypos = (int)((span->tex_height-1) * tey1);
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133
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134 if (zpos < zRow[localx + (rangex * localy)]) {
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135 tex_addr = getTile(tex_xpos, tex_ypos,
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136 span->tex_width, span->tex_addr);
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137 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL;
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138 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL;
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139
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140 if (!isAvailableTile(tex_addr)) {
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141 set_rgb(tex_addr, 0);
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142 smanager->dma_wait(0);
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143 }
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144
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145 rgb = get_rgb(tex_localx, tex_localy, tex_addr);
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146
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147 zRow[localx + (rangex*localy)] = zpos;
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148 linebuf[localx + (rangex*localy)] = rgb;
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149 }
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150 } else {
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151 int js = (x < rangex_start) ? rangex_start - x : 0;
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152 int je = (x + x_len > rangex_end) ? rangex_end - x : x_len;
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153 float tex_x, tex_y, tex_z;
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154
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155 /**
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156 * 一回比較すれば、以後再起動するまでは
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157 * js_cont は使わないから 0 にしてるわけだけど、
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158 * 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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159 */
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160 js = (js < js_cont) ? js_cont : js;
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161 js_cont = 0;
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162
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163 for (int j = js; j <= je; j++) {
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164 localx = getLocalX(x-1+j);
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165
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166 tex_z = z*(x_len-1-j)/(x_len-1) + zpos*j/(x_len-1);
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167
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168 tex_x = tex1*(x_len-1-j)/(x_len-1) + tex2*j/(x_len-1);
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169 tex_y = tey1*(x_len-1-j)/(x_len-1) + tey2*j/(x_len-1);
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170 if (tex_x > 1) tex_x = 1;
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171 if (tex_x < 0) tex_x = 0;
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172 if (tex_y > 1) tex_y = 1;
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173 if (tex_y < 0) tex_y = 0;
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174 tex_xpos = (int)((span->tex_width-1) * tex_x);
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175 tex_ypos = (int)((span->tex_height-1) * tex_y);
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176
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177 if (tex_z < zRow[localx + (rangex*localy)]) {
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178 tex_addr = getTile(tex_xpos, tex_ypos,
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179 span->tex_width, span->tex_addr);
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180 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL;
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181 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL;
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182
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183 if (!isAvailableTile(tex_addr)) {
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184 spack->info.start = t;
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185 #if 0
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186 set_rgbs(tex_addr,
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187 getTile(span->tex_width-1, tex_ypos,
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188 span->tex_width, span->tex_addr));
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189 reboot(spack, j);
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190 goto FINISH;
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191 #else
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192 set_rgb(tex_addr, TEX_LOAD);
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193 smanager->dma_wait(TEX_LOAD);
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194 #endif
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195 }
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196
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197 rgb = get_rgb(tex_localx, tex_localy, tex_addr);
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198
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199 zRow[localx + (rangex*localy)] = tex_z;
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200 linebuf[localx + (rangex*localy)] = rgb;
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201 }
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202 }
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203 }
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204 }
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205
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206 smanager->dma_wait(SPAN_PACK_LOAD);
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207
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208 SpanPackPtr tmp_spack = spack;
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209 spack = next_spack;
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210 next_spack = tmp_spack;
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211 } while (spack);
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212
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213 writebuffer(display, rangex, rangey, screen_width);
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214
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215 free(zRow);
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216 free(args);
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217
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218 //FINISH:
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219 /**
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220 * linebuf, zRow, args は RenewTask が引き継ぐ
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221 */
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222 free(free_spack1);
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223 free(free_spack2);
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224
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225 return 0;
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226 }
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