Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Test/test_render/task/CreateSpan.cpp @ 154:f4673e790675
task/ と spe/ の同期し忘れ。
こういうのめんどくさいからなんとかしたいんだけど
| author | gongo@gendarme.local |
|---|---|
| date | Wed, 03 Dec 2008 20:14:23 +0900 |
| parents | 9642aeef298d |
| children | 77dac07efd79 |
| rev | line source |
|---|---|
| 109 | 1 #include "CreateSpan.h" |
| 2 #include "viewer_types.h" | |
| 3 | |
| 4 static const int SPAN_PACK_LOAD = 5; | |
| 5 static const int SPAN_PACK_STORE = 6; | |
| 6 static const int POLYGON_PACK_LOAD = 7; | |
| 141 | 7 static const int TILE_ALLOCATE = 8; |
| 8 static const int TILE_LOAD = 9; | |
| 9 static const int TILE_STORE = 10; | |
| 109 | 10 |
| 11 static SpanPackPtr spack = NULL; | |
| 12 static SpanPackPtr send_spack = NULL; | |
| 13 static int prev_index = 0; | |
| 14 | |
| 15 SchedDefineTask(CreateSpan); | |
| 16 | |
| 17 static float | |
| 18 calc(float f1, float f2,int i, float base) | |
| 19 { | |
| 20 float ans; | |
| 21 ans = f1/f2*i + base; | |
| 22 return ans; | |
| 23 } | |
| 24 | |
| 25 | |
| 26 /** | |
| 27 * TrianglePack から、vMin, vMid, vMax を求める | |
| 28 * | |
| 29 * @param [triPack] TrianglePack | |
| 30 * @param [vMin] [vMid] [vMax] | |
| 31 */ | |
| 32 static void | |
| 33 make_vertex(TrianglePack *triPack, | |
| 34 VertexPackPtr *vMin, VertexPackPtr *vMid, VertexPackPtr *vMax) | |
| 35 { | |
| 36 if (triPack->ver1.y <= triPack->ver2.y) { | |
| 37 if (triPack->ver2.y <= triPack->ver3.y) { | |
| 38 *vMin = &triPack->ver1; | |
| 39 *vMid = &triPack->ver2; | |
| 40 *vMax = &triPack->ver3; | |
| 41 } else if (triPack->ver3.y <= triPack->ver1.y) { | |
| 42 *vMin = &triPack->ver3; | |
| 43 *vMid = &triPack->ver1; | |
| 44 *vMax = &triPack->ver2; | |
| 45 } else { | |
| 46 *vMin = &triPack->ver1; | |
| 47 *vMid = &triPack->ver3; | |
| 48 *vMax = &triPack->ver2; | |
| 49 } | |
| 50 } else { | |
| 51 if (triPack->ver1.y <= triPack->ver3.y) { | |
| 52 *vMin = &triPack->ver2; | |
| 53 *vMid = &triPack->ver1; | |
| 54 *vMax = &triPack->ver3; | |
| 55 } else if (triPack->ver3.y <= triPack->ver2.y) { | |
| 56 *vMin = &triPack->ver3; | |
| 57 *vMid = &triPack->ver2; | |
| 58 *vMax = &triPack->ver1; | |
| 59 } else { | |
| 60 *vMin = &triPack->ver2; | |
| 61 *vMid = &triPack->ver3; | |
| 62 *vMax = &triPack->ver1; | |
| 63 } | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 static void | |
| 68 make_vMid10(VertexPack *v, VertexPack *vMin, | |
| 69 VertexPack *vMid, VertexPack *vMax) | |
| 70 { | |
| 142 | 71 //int d, d1; |
| 72 float d; | |
| 73 int d1; | |
| 74 | |
| 75 d = vMax->y - vMin->y; | |
| 109 | 76 d1 = (int)(vMid->y - vMin->y); |
| 77 | |
| 78 v->tex_x = calc(vMax->tex_x - vMin->tex_x, d, d1, vMin->tex_x); | |
| 79 v->tex_y = calc(vMax->tex_y - vMin->tex_y, d, d1, vMin->tex_y); | |
| 80 v->x = calc(vMax->x - vMin->x, d, d1, vMin->x); | |
| 81 v->y = vMid->y; | |
| 82 v->z = calc(vMax->z - vMin->z, d, d1, vMin->z); | |
| 83 } | |
| 84 | |
|
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85 |
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86 /** |
| 141 | 87 * Span の1ドットずつ、必要なテクスチャのブロック(Tile)を求めていく |
| 88 * | |
| 89 */ | |
| 90 void | |
| 91 CreateSpan::setTile(SpanPtr span) | |
| 92 { | |
| 142 | 93 TileInfoListPtr tilelist = |
| 94 (TileInfoListPtr)smanager->allocate(sizeof(TileInfoList)); | |
| 95 TileInfoListPtr send_tilelist = | |
| 96 (TileInfoListPtr)smanager->allocate(sizeof(TileInfoList)); | |
| 141 | 97 TileInfoListPtr tilelist_addr; |
| 142 | 98 TileInfoListPtr send_tilelist_addr; |
| 99 TileInfoPtr tile; | |
| 141 | 100 |
| 142 | 101 int cur_x = 0; |
| 141 | 102 int len = 0; |
| 103 | |
| 142 | 104 smanager->mainMem_wait(); |
| 141 | 105 tilelist_addr = (TileInfoListPtr)smanager->mainMem_get(TILE_ALLOCATE); |
| 106 span->tilelist = tilelist_addr; | |
| 107 | |
| 142 | 108 float tex1 = span->tex_x1; |
| 109 float tex2 = span->tex_x2; | |
| 110 float tey1 = span->tex_y1; | |
| 111 float tey2 = span->tex_y2; | |
| 112 int tex_xpos; | |
| 113 int tex_ypos; | |
| 114 int end = span->length_x; | |
| 141 | 115 |
| 142 | 116 if (span->length_x == 1) { |
| 117 tilelist->init(); | |
| 118 tile = &tilelist->tileinfo[tilelist->size++]; | |
| 119 | |
| 120 tex_xpos = (int)((span->tex_width-1) * tex1); | |
| 121 tex_ypos = (int)((span->tex_height-1) * tey1); | |
| 141 | 122 |
| 142 | 123 tile->tix = tex_xpos; |
| 124 tile->tiy = tex_ypos; | |
| 154 | 125 tile->tile = span->tex_addr; |
| 126 tile->padding = 1; | |
| 142 | 127 } else { |
| 154 | 128 while (cur_x <= span->length_x) { |
| 129 if (cur_x + MAX_TILE_LIST - 1 < span->length_x) { | |
| 130 len = MAX_TILE_LIST - 1; | |
|
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131 smanager->mainMem_alloc(TILE_ALLOCATE, sizeof(TileInfoList)); |
| 146 | 132 } else { |
| 133 len = span->length_x - cur_x; | |
| 134 } | |
| 141 | 135 |
| 136 float tex_x, tex_y; | |
| 137 | |
| 142 | 138 tilelist->init(); |
| 139 | |
| 154 | 140 for (int i = cur_x; i <= cur_x + len; i++) { |
| 142 | 141 tex_x = tex1*(end-1-i)/(end-1) + tex2*i/(end-1); |
| 142 tex_y = tey1*(end-1-i)/(end-1) + tey2*i/(end-1); | |
| 141 | 143 if (tex_x > 1) tex_x = 1; |
| 144 if (tex_y > 1) tex_y = 1; | |
| 154 | 145 tex_xpos = (int)((span->tex_width-1) * tex_x); |
| 146 tex_ypos = (int)((span->tex_height-1) * tex_y); | |
| 141 | 147 |
| 154 | 148 tile = &tilelist->tileinfo[tilelist->size++]; |
| 141 | 149 tile->tix = tex_xpos; |
| 150 tile->tiy = tex_ypos; | |
| 154 | 151 tile->padding = i; |
| 152 | |
| 153 int blockX = tex_xpos / TEXTURE_SPLIT_PIXEL; | |
| 154 int blockY = tex_ypos / TEXTURE_SPLIT_PIXEL; | |
| 155 int block = blockX + (span->tex_width/TEXTURE_SPLIT_PIXEL)*blockY; | |
| 156 uint32 *addr = (uint32*)span->tex_addr; | |
| 157 tile->tile = (void*)(addr + block*64); | |
| 158 //tile->tile = span->tex_addr; | |
| 141 | 159 } |
| 142 | 160 |
| 154 | 161 if (cur_x + MAX_TILE_LIST - 1 < span->length_x) { |
| 142 | 162 TileInfoListPtr tmp = tilelist; |
| 163 tilelist = send_tilelist; | |
| 164 send_tilelist = tmp; | |
| 146 | 165 |
| 142 | 166 send_tilelist_addr = tilelist_addr; |
| 141 | 167 |
| 142 | 168 smanager->mainMem_wait(); |
| 169 tilelist_addr = | |
| 170 (TileInfoListPtr)smanager->mainMem_get(TILE_ALLOCATE); | |
| 171 | |
| 172 send_tilelist->next = tilelist_addr; | |
| 173 | |
| 174 smanager->dma_wait(TILE_STORE); | |
| 175 smanager->dma_store(send_tilelist, (uint32)send_tilelist_addr, | |
| 176 sizeof(TileInfoList), TILE_STORE); | |
| 177 } | |
| 141 | 178 |
| 142 | 179 cur_x += MAX_TILE_LIST; |
| 141 | 180 } |
| 181 } | |
| 182 | |
| 183 smanager->dma_wait(TILE_STORE); | |
| 142 | 184 tilelist->next = 0; // ? |
| 141 | 185 smanager->dma_store(tilelist, (uint32)tilelist_addr, |
| 186 sizeof(TileInfoList), TILE_STORE); | |
| 142 | 187 free(send_tilelist); |
| 188 | |
| 141 | 189 smanager->dma_wait(TILE_STORE); |
| 190 | |
| 191 free(tilelist); | |
| 192 } | |
| 193 | |
| 194 /** | |
|
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195 * x軸に水平な辺を持つ三角形ポリゴンから、 |
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196 * Span を抜き出す |
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197 */ |
| 109 | 198 void |
| 199 CreateSpan::half_triangle(SpanPackPtr *spackList, | |
| 200 int charge_y_top, int charge_y_end, | |
| 201 long *tex_addr, long tex_width, long tex_height, | |
| 202 VertexPack *vMin,VertexPack *vMid,VertexPack *vMid10) | |
| 203 { | |
| 204 float tmp_z,tmp_tex1, tmp_tex2 ,tmp_tey1,tmp_tey2; | |
| 205 float tmp_xpos,tmp_end,tmp_zpos; | |
| 206 float start_z, end_z; | |
| 207 float start_tex_x, end_tex_x, start_tex_y, end_tex_y; | |
| 208 int x, y, length; | |
| 209 | |
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210 #if 1 |
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211 // これじゃないと |
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212 // テクスチャの貼りに微妙に隙間が。謎だ |
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213 int start_y = (int)vMid->y; |
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214 int end_y = (int)vMin->y; |
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215 #else |
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216 float start_y = vMid->y; |
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217 float end_y = vMin->y; |
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218 #endif |
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219 float div_y = start_y - end_y; |
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220 int k = 0; |
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221 int l = 1; |
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222 |
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223 SpanPackPtr tmp_spack; |
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224 |
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225 /** |
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226 * 三角形ポリゴンをx軸に水平に二つに分けようとして |
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227 * ある一辺がすでに水平だった場合、つまり |
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228 * (環境によっては、back slash が 円マークかも) |
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229 * |
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230 * |\ |
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231 * | \ |
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232 * | \ |
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233 * ----- |
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234 * |
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235 * |
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236 * 上のようなポリゴンだった場合は、本来なら上の部分の三角形にだけ |
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237 * half_triangle の処理をするべきだが、現在の処理だと |
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238 * この half_triangle に「上の部分の三角形」と、 |
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239 * 「『下の部分の三角形と判断してしまった』直線」が来てしまう。 |
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240 * 直線の部分が来ると、calc() で 0 除算とかで、値不定で暴走するので |
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241 * 現在はこれで代用。 |
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242 * half_triangle 呼ぶ前にこれを判断できれば良いかもしれない。 |
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243 * てかこんなんでいいのかよ。。。 |
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244 * |
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245 */ |
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246 #if 1 |
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247 if ((int)div_y == 0) { |
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248 return; |
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249 } |
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250 #else |
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251 if (vMid10->x == vMin->x && vMid10->y == vMin->y) { |
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252 return; |
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253 } |
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254 #endif |
| 109 | 255 |
| 256 if (div_y < 0) { | |
| 257 div_y = -div_y; | |
| 258 k = 1; | |
| 259 l = -1; | |
| 260 } | |
| 261 | |
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262 for (int i = k; i < (int)div_y+1; i++) { |
| 109 | 263 y = (int)vMin->y + i*l; |
| 264 | |
| 265 /** | |
| 266 * 担当 y 範囲内 | |
| 267 */ | |
| 268 if (charge_y_top <= y && y <= charge_y_end) { | |
| 269 // 1..8 を index0, 9..16 を index1 にするために y を -1 | |
| 270 int index = (y-1) / split_screen_h; | |
| 271 | |
| 272 /** | |
| 273 * 違う SpanPack を扱う場合、 | |
| 274 * 現在の SpanPack をメインメモリに送り、 | |
| 275 * 新しい SpanPack を取ってくる | |
| 276 */ | |
| 277 if (index != prev_index) { | |
| 278 tmp_spack = spack; | |
| 279 spack = send_spack; | |
| 280 send_spack = tmp_spack; | |
| 281 | |
| 282 smanager->dma_wait(SPAN_PACK_STORE); | |
| 283 smanager->dma_store(send_spack, (uint32)spackList[prev_index], | |
| 284 sizeof(SpanPack), SPAN_PACK_STORE); | |
| 285 | |
| 286 smanager->dma_load(spack, (uint32)spackList[index], | |
| 287 sizeof(SpanPack), SPAN_PACK_LOAD); | |
| 288 prev_index = index; | |
| 289 smanager->dma_wait(SPAN_PACK_LOAD); | |
| 290 } | |
| 291 | |
| 292 /** | |
| 293 * 書き込む SpanPack が満杯だったら | |
| 294 * メインメモリで allocate した領域 (next) を持ってきて | |
| 295 * 現在の spack->next につなぎ、next を次の spack とする。 | |
| 296 */ | |
| 297 if (spack->info.size >= MAX_SIZE_SPAN) { | |
| 298 SpanPackPtr next; | |
| 299 | |
| 141 | 300 smanager->mainMem_alloc(0, sizeof(SpanPack)); |
| 301 smanager->mainMem_wait(); | |
| 302 next = (SpanPackPtr)smanager->mainMem_get(0); | |
| 109 | 303 |
| 304 spack->next = next; | |
| 305 | |
| 306 tmp_spack = spack; | |
| 307 spack = send_spack; | |
| 308 send_spack = tmp_spack; | |
| 309 | |
| 310 smanager->dma_wait(SPAN_PACK_STORE); | |
| 311 smanager->dma_store(send_spack, (uint32)spackList[index], | |
| 312 sizeof(SpanPack), SPAN_PACK_STORE); | |
| 313 | |
| 314 spackList[index] = next; | |
| 141 | 315 |
| 109 | 316 smanager->dma_load(spack, (uint32)spackList[index], |
| 317 sizeof(SpanPack), SPAN_PACK_LOAD); | |
| 318 smanager->dma_wait(SPAN_PACK_LOAD); | |
| 319 spack->init((index+1)*split_screen_h); | |
| 320 } | |
| 321 } else { | |
| 322 /** | |
| 323 * 担当範囲外だったら無視 | |
| 324 */ | |
| 325 continue; | |
| 326 } | |
| 146 | 327 |
| 328 tmp_xpos = calc(vMid10->x - vMin->x ,div_y, i, vMin->x); | |
| 329 tmp_end = calc(vMid->x - vMin->x ,div_y, i, vMin->x); | |
| 330 tmp_z = calc(vMid10->z - vMin->z ,div_y, i, vMin->z); | |
| 331 tmp_zpos = calc(vMid->z - vMin->z ,div_y, i, vMin->z); | |
| 332 | |
| 333 length = (tmp_xpos > tmp_end) | |
| 334 ? (int)tmp_xpos - (int)tmp_end : (int)tmp_end - (int)tmp_xpos; | |
| 335 if (length == 0) { | |
| 336 continue; | |
| 337 } | |
| 109 | 338 |
| 141 | 339 /** |
| 340 * メインメモリに、Tile 用の領域確保をここで指定しておく | |
| 142 | 341 */ |
| 342 // ちと仕様変更によりここでは使わない | |
| 343 // 予めやっておいて、その間に処理、だとちょっと動作が怪しいらしい | |
| 146 | 344 smanager->mainMem_alloc(TILE_ALLOCATE, sizeof(TileInfoList)); |
| 345 | |
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346 |
| 109 | 347 tmp_tex1 =((i/(div_y)) * vMid10->tex_x) + |
| 348 ( ((div_y - i)/(div_y)) * vMin->tex_x); | |
| 349 tmp_tex2 =( (i/(div_y)) * vMid->tex_x) + | |
| 350 ( ((div_y - i)/(div_y)) * vMin->tex_x); | |
| 351 | |
| 352 tmp_tey1 =( (i/(div_y)) * vMid10->tex_y) + | |
| 353 ( ((div_y - i)/(div_y)) * vMin->tex_y); | |
| 354 tmp_tey2 =( (i/(div_y)) * vMid->tex_y) + | |
| 355 ( ((div_y - i)/(div_y)) * vMin->tex_y); | |
| 356 | |
| 357 if (tmp_xpos > tmp_end) { | |
| 358 x = (int)tmp_end; | |
|
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359 /** |
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360 * +1 は要らない気がする・・・ |
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361 */ |
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362 //length = (int)(tmp_xpos)-(int)(tmp_end)+1; |
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363 length = (int)(tmp_xpos)-(int)(tmp_end); |
| 109 | 364 start_z = tmp_zpos; |
| 365 end_z = tmp_z; | |
| 366 start_tex_x = tmp_tex2; | |
| 367 end_tex_x = tmp_tex1; | |
| 368 start_tex_y = tmp_tey2; | |
| 369 end_tex_y = tmp_tey1; | |
| 370 } else { | |
| 371 x = (int)tmp_xpos; | |
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372 //length = (int)(tmp_end)-(int)(tmp_xpos)+1; |
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373 length = (int)(tmp_end)-(int)(tmp_xpos); |
| 109 | 374 start_z = tmp_z; |
| 375 end_z = tmp_zpos; | |
| 376 start_tex_x = tmp_tex1; | |
| 377 end_tex_x = tmp_tex2; | |
| 378 start_tex_y = tmp_tey1; | |
| 379 end_tex_y = tmp_tey2; | |
| 380 } | |
| 381 | |
| 382 smanager->dma_wait(SPAN_PACK_LOAD); | |
| 383 | |
| 384 Span *span = &spack->span[spack->info.size++]; | |
| 385 | |
| 386 span->tex_addr = tex_addr; | |
| 387 span->tex_width = tex_width; | |
| 388 span->tex_height = tex_height; | |
| 389 span->x = x; | |
| 390 span->y = y; | |
| 391 span->length_x = length; | |
| 392 span->start_z = start_z; | |
| 393 span->end_z = end_z; | |
| 394 span->tex_x1 = start_tex_x; | |
| 395 span->tex_x2 = end_tex_x; | |
| 396 span->tex_y1 = start_tex_y; | |
| 397 span->tex_y2 = end_tex_y; | |
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398 |
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399 // TilePtr の計算 |
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400 // tix, tiy (Tile 内での x, y) |
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401 // |
|
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402 //smanager->mainMem_wait(); |
| 146 | 403 setTile(span); |
| 109 | 404 } |
| 405 } | |
| 406 | |
| 407 | |
| 408 int | |
| 409 CreateSpan::run(void *rbuf, void *wbuf) | |
| 410 { | |
| 411 PolygonPack *pp = (PolygonPack*)smanager->get_input(0); | |
| 412 PolygonPack *next_pp = | |
| 413 (PolygonPack*)smanager->allocate(sizeof(PolygonPack)); | |
| 414 PolygonPack *free_pp = next_pp; | |
| 415 PolygonPack *tmp_pp; | |
| 416 | |
| 417 TrianglePackPtr triPack; | |
| 418 VertexPackPtr vMin, vMid, vMax; | |
| 419 VertexPackPtr vMid10 | |
| 420 = (VertexPackPtr)smanager->allocate(sizeof(VertexPack)); | |
| 421 | |
| 422 SpanPackPtr *spackList = (SpanPackPtr*)smanager->get_input(1); | |
| 423 spack = (SpanPackPtr)smanager->get_input(2); | |
| 424 send_spack = (SpanPackPtr)smanager->allocate(sizeof(SpanPack)); | |
| 425 prev_index = get_param(0); | |
| 426 | |
| 427 // spack と send_spack は swap しながら DMA を繰り返すので | |
| 428 // 自分で allocate した send_spack を覚えてないといけない | |
| 429 SpanPackPtr free_spack = send_spack; | |
| 430 | |
| 431 int charge_y_top = get_param(1); | |
| 432 int charge_y_end = get_param(2); | |
| 433 | |
| 434 do { | |
| 435 if (pp->next != NULL) { | |
| 436 smanager->dma_load(next_pp, (uint32)pp->next, | |
| 437 sizeof(PolygonPack), POLYGON_PACK_LOAD); | |
| 438 } else { | |
| 439 next_pp = NULL; | |
| 440 } | |
| 441 | |
| 442 for (int i = 0; i < pp->info.size; i++) { | |
| 443 triPack = &pp->tri[i]; | |
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444 |
| 109 | 445 #if 0 |
| 446 make_vertex(triPack, &vMin, &vMid, &vMax); | |
| 447 #else | |
| 448 if (triPack->ver1.y <= triPack->ver2.y) { | |
| 449 if (triPack->ver2.y <= triPack->ver3.y) { | |
| 450 vMin = &triPack->ver1; | |
| 451 vMid = &triPack->ver2; | |
| 452 vMax = &triPack->ver3; | |
| 453 } else if (triPack->ver3.y <= triPack->ver1.y) { | |
| 454 vMin = &triPack->ver3; | |
| 455 vMid = &triPack->ver1; | |
| 456 vMax = &triPack->ver2; | |
| 457 } else { | |
| 458 vMin = &triPack->ver1; | |
| 459 vMid = &triPack->ver3; | |
| 460 vMax = &triPack->ver2; | |
| 461 } | |
| 462 } else { | |
| 463 if (triPack->ver1.y <= triPack->ver3.y) { | |
| 464 vMin = &triPack->ver2; | |
| 465 vMid = &triPack->ver1; | |
| 466 vMax = &triPack->ver3; | |
| 467 } else if (triPack->ver3.y <= triPack->ver2.y) { | |
| 468 vMin = &triPack->ver3; | |
| 469 vMid = &triPack->ver2; | |
| 470 vMax = &triPack->ver1; | |
| 471 } else { | |
| 472 vMin = &triPack->ver2; | |
| 473 vMid = &triPack->ver3; | |
| 474 vMax = &triPack->ver1; | |
| 475 } | |
| 476 } | |
| 477 #endif | |
| 478 make_vMid10(vMid10, vMin, vMid, vMax); | |
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479 |
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480 /** |
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481 * ポリゴンを、x軸に水平に分割して二つの三角形を作り、 |
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482 * それぞれから Span を求める |
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483 */ |
| 109 | 484 half_triangle(spackList, charge_y_top, charge_y_end, |
| 485 triPack->tex_addr, triPack->tex_width, | |
| 486 triPack->tex_height, vMin, vMid, vMid10); | |
| 487 half_triangle(spackList, charge_y_top, charge_y_end, | |
| 488 pp->tri[0].tex_addr, pp->tri[0].tex_width, | |
| 489 pp->tri[0].tex_height, vMax, vMid, vMid10); | |
| 490 } | |
| 491 | |
| 492 smanager->dma_wait(POLYGON_PACK_LOAD); | |
| 493 | |
| 494 tmp_pp = pp; | |
| 495 pp = next_pp; | |
| 496 next_pp = tmp_pp; | |
| 497 } while (pp); | |
| 498 | |
| 499 smanager->dma_wait(SPAN_PACK_STORE); | |
| 500 smanager->dma_store(spack, (uint32)spackList[prev_index], | |
| 501 sizeof(SpanPack), SPAN_PACK_STORE); | |
| 502 smanager->dma_wait(SPAN_PACK_STORE); | |
| 503 | |
| 504 free(free_pp); | |
| 505 free(free_spack); | |
| 506 free(vMid10); | |
| 507 | |
| 508 return 0; | |
| 509 } |