Mercurial > hg > Members > kono > Cerium
annotate Renderer/Engine/spe/DrawSpan.cc @ 775:97a514cf6ad3 before-simple-task
simd
| author | yutaka@henri.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Tue, 16 Feb 2010 15:09:54 +0900 |
| parents | dc26593f8c40 |
| children | 4455e7b0caf3 |
| rev | line source |
|---|---|
| 507 | 1 #include <stdlib.h> |
| 2 #include <string.h> | |
| 3 #include "DrawSpan.h" | |
| 4 #include "polygon_pack.h" | |
| 5 #include "texture.h" | |
| 6 #include "viewer_types.h" | |
| 7 #include "Func.h" | |
| 594 | 8 #include "sys.h" |
| 507 | 9 #include "global_alloc.h" |
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10 #include "SchedTask.h" |
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11 #include "Tapestry.h" |
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12 #include "SpanPack.h" |
| 765 | 13 #include <spu_intrinsics.h> |
| 762 | 14 #include <math.h> |
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15 |
| 623 | 16 #if (__LITTLE_ENDIAN__) |
| 17 #define LITTLEENDIAN 1 | |
| 18 #else | |
| 19 #define LITTLEENDIAN 0 | |
| 20 #endif | |
| 507 | 21 |
| 22 SchedDefineTask(DrawSpan); | |
| 23 | |
| 24 #define TEX_LOAD1 0 | |
| 25 #define TEX_LOAD2 1 | |
| 26 #define SPAN_PACK_LOAD 2 | |
| 27 #define FB_STORE 3 | |
| 28 | |
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29 typedef struct { |
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30 int **linebuf; |
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31 float *zRow; |
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32 TileListPtr tileList; |
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33 int doneWrite; |
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34 } G, *Gptr; |
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35 |
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36 static int** linebuf_init(SchedTask *smanager, int width, int height, int rgb); |
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37 static float* zRow_init(SchedTask *smanager, int width, int height); |
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38 // static TilePtr set_rgb(memaddr addr, int wait_tag); |
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39 // static void set_rgbs(memaddr addr, uint32 *max_addr, int wait_tag); |
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40 static uint32 get_rgb(int tx, int ty, TilePtr tile); |
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41 // static TilePtr isAvailableTile(memaddr addr); |
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42 static memaddr getTile(int tx, int ty, int tw, memaddr tex_addr_top); |
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43 static int getTexBlock(int tx, int ty, int twidth); |
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44 |
| 748 | 45 static void updateBuffer(Gptr g, float zpos, int rangex, int loaclx, int localy, |
| 46 int tex_x, int tex_y, float normal_x, float nomral_x, float normal_z, | |
| 47 TilePtr tile, int world_x, int world_y, float world_z,SchedTask *smanager); | |
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48 |
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49 // static void reboot(SpanPackPtr spack, int cur_span_x); |
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50 |
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51 static int drawDot1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag); |
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52 //static void drawDot2(SchedTask *smanager, SpanPtr span, int startx, int endx, int js, int wait_tag); |
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53 static int drawLine1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag); |
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54 // static void drawLine2(SchedTask *smanager, SpanPtr span, int startx, int endx, int js, int wait_tag); |
| 748 | 55 |
| 56 static int infinity_light_calc(int color,float normal_x, float normal_y, float normal_z, | |
| 57 SchedTask *smanager,int x, int y, float z, int world_x, int world_y, float world_z); | |
| 58 | |
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59 |
| 775 | 60 |
| 61 static inline void | |
| 62 normalize(vector float& v0, vector float& v1) | |
| 762 | 63 { |
| 775 | 64 float norm; |
| 65 vector float ret __attribute__((aligned(16))) = {0,0,0,0}; | |
| 762 | 66 |
| 775 | 67 ret = spu_mul(v0,v1); |
| 68 norm = (ret[0] + ret[1] + ret[2]); | |
| 69 | |
| 70 ret = (vector float)spu_splats(norm); | |
| 71 ret = spu_rsqrte(ret); | |
| 72 v0 = spu_mul(v1,ret); | |
| 762 | 73 } |
| 74 | |
| 775 | 75 static inline float |
| 76 innerProduct1(vector float& v0, vector float& v1) | |
| 621 | 77 { |
| 765 | 78 |
| 775 | 79 vector float ret __attribute__((aligned(16))) = {0,0,0,0}; |
| 80 float inner; | |
| 81 ret = spu_mul(v0,v1); | |
| 82 | |
| 83 inner = (ret[0] + ret[1] + ret[2]); | |
| 84 if (inner < 0) { | |
| 85 inner = 0; | |
| 86 } | |
| 87 | |
| 88 return inner; | |
| 621 | 89 } |
| 90 | |
| 507 | 91 |
| 765 | 92 |
| 775 | 93 |
| 507 | 94 /** |
| 95 * テクスチャは、TEXTURE_SPLIT_PIXEL^2 のブロックに分割する | |
| 96 * | |
| 97 * +---+---+---+---+---+---+ | |
| 98 * | 0 | 1 | 2 | 3 | 4 | 5 | | |
| 99 * +---+---+---+---+---+---+ | |
| 100 * | | | | | |11 | | |
| 101 * +---+---+---+---+---+---+ | |
| 102 * | | | | | |17 | | |
| 103 * +---+---+---+---+---+---+ | |
| 104 * | | | | | |23 | | |
| 105 * +---+---+---+---+---+---+ | |
| 106 * | | | | | |29 | | |
| 107 * +---+---+---+---+---+---+ | |
| 108 * | | | | | |35 | | |
| 109 * +---+---+---+---+---+---+ | |
| 110 * | |
| 111 * 一辺を TEXTURE_SPLIT とする | |
| 112 * 各ブロックの数字がブロックIDとなる。 | |
| 113 */ | |
| 114 | |
| 115 /** | |
| 116 * テクスチャの座標から、 | |
| 117 * テクスチャのどのブロックかを求める | |
| 118 * | |
| 119 * @param[in] tx X coordinates of texture | |
| 120 * @param[in] tx Y coordinates of texture | |
| 121 * @param[in] twidth Width of texture | |
| 122 * @return block ID | |
| 123 */ | |
| 124 static int | |
| 125 getTexBlock(int tx, int ty, int twidth) | |
| 126 { | |
| 127 int blockX, blockY; | |
| 128 | |
| 129 blockX = tx / TEXTURE_SPLIT_PIXEL; | |
| 130 blockY = ty / TEXTURE_SPLIT_PIXEL; | |
| 131 | |
| 132 return blockX + (twidth/TEXTURE_SPLIT_PIXEL)*blockY; | |
| 133 } | |
| 134 | |
| 135 /** | |
| 136 * block ID と、テクスチャの TOP address から | |
| 137 * (tx,ty) で使われるテクスチャの Tile addres を求める | |
| 138 * | |
| 139 * @param[in] tx X coordinates of texture | |
| 140 * @param[in] tx Y coordinates of texture | |
| 141 * @param[in] tw Width of texture | |
| 142 * @param[in] tex_addr_top (tx,ty) で使うテクスチャの先頭address | |
| 143 * @return block ID | |
| 144 */ | |
| 145 static memaddr | |
| 146 getTile(int tx, int ty, int tw, memaddr tex_addr_top) | |
| 147 { | |
| 148 int block = getTexBlock(tx, ty, tw); | |
| 594 | 149 return tex_addr_top + block * TEXTURE_BLOCK_SIZE * sizeof(uint32); |
| 507 | 150 } |
| 151 | |
| 152 /** | |
| 153 * FrameBuffer に書き込む rgb の領域初期化 | |
| 154 * | |
| 155 * @param width Width of Buffer | |
| 156 * @param height Height of Buffer | |
| 157 * @param rgb Initial value of RGB at Buffer | |
| 158 * @return Buffer | |
| 159 */ | |
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160 static int ** |
| 507 | 161 linebuf_init(SchedTask *smanager, int width, int height, int rgb) |
| 162 { | |
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163 int **linebuf = (int**)smanager->allocate(height*sizeof(int*)); |
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164 for(int h = 0;h<height;h++) { |
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165 int *buf = linebuf[h] = (int*)smanager->get_output(h); |
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166 for (int i = 0; i < width; i++) { |
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167 buf[i] = rgb; |
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168 } |
| 507 | 169 } |
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170 return linebuf; |
| 507 | 171 } |
| 172 | |
| 173 /** | |
| 174 * Z-Buffer の初期化 | |
| 175 * | |
| 176 * @param width Width of Z-Buffer | |
| 177 * @param height Height of Z-Buffer | |
| 178 * @return Z-Buffer | |
| 179 */ | |
| 180 static float* | |
| 181 zRow_init(SchedTask *smanager, int width, int height) | |
| 182 { | |
| 183 float *buf = (float*)smanager->allocate(sizeof(float)*width*height); | |
| 184 float def = 65535.0f; | |
| 185 | |
| 594 | 186 for (int i = 0; i < width*height; i++) { |
| 187 buf[i] = def; | |
| 507 | 188 } |
| 189 | |
| 190 return buf; | |
| 191 } | |
| 192 | |
| 193 | |
| 194 static uint32 | |
| 195 get_rgb(int tx, int ty, TilePtr tile) | |
| 196 { | |
| 197 uint32 *data = (uint32 *)tile->data; | |
| 198 return data[(TEXTURE_SPLIT_PIXEL)*ty+tx]; | |
| 199 } | |
| 200 | |
| 201 | |
| 202 | |
| 203 /** | |
| 204 * zRow と Linebuf を更新する | |
| 205 * | |
| 206 * @param zpos 更新する pixel のZ座標 | |
| 207 * @param rangex このタスクが処理する描画領域の x の長さ | |
| 208 * @param x pixel の、描画領域内での x 座標 | |
| 209 * @param y 〃 の、y 座標 | |
| 210 * @param tex_x pixel が使用するテクスチャの、Tile (8x8) 内での x 座標 | |
| 211 * @param tex_y 〃 の y 座標 | |
| 212 * @param tex_addr テクスチャのアドレス(MainMemory) | |
| 213 */ | |
| 214 static void | |
| 748 | 215 updateBuffer(Gptr g, float zpos, int rangex, int localx, int localy, int tex_x, int tex_y, |
| 216 float normal_x, float normal_y, float normal_z, TilePtr tile, | |
| 217 int world_x, int world_y, float world_z, SchedTask *smanager) | |
| 507 | 218 { |
| 594 | 219 |
| 220 int color = get_rgb(tex_x, tex_y, tile); | |
| 221 /*下位4bitを抽出*/ | |
| 623 | 222 #if LITTLEENDIAN |
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223 int alpha = color & 0x000000ff; |
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224 #else |
| 599 | 225 int alpha = color & 0xff000000; |
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226 #endif |
| 594 | 227 /*完全に透けているか判断*/ |
| 228 int flag = (alpha != 0); | |
| 229 | |
| 748 | 230 color = infinity_light_calc(color,normal_x,normal_y,normal_z, |
| 231 smanager,localx,localy,zpos, | |
| 232 world_x,world_y,world_z); | |
| 594 | 233 |
| 748 | 234 g->zRow[localx + (rangex*localy)] = zpos*flag + g->zRow[localx + (rangex*localy)]*(1-flag); |
| 235 int *point = &g->linebuf[localy][localx] ; | |
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236 *point = color*flag + *point *(1-flag); |
| 594 | 237 |
| 748 | 238 |
| 239 | |
| 507 | 240 } |
| 241 | |
| 242 /** | |
| 243 * 長さが 1 の Span の描画 (要するに 1 pixel) | |
| 244 * | |
| 245 * @param span Span | |
| 246 * @param startx 描画開始範囲 | |
| 247 * @param endx 描画終了範囲 | |
| 248 */ | |
| 249 static int | |
| 250 drawDot1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag) | |
| 251 { | |
| 252 int rangex = endx - startx + 1; | |
| 253 | |
| 594 | 254 float normal_x = span->normal_x; |
| 255 float normal_y = span->normal_y; | |
| 256 float normal_z = span->normal_z; | |
| 257 | |
| 258 | |
| 507 | 259 /* span->x に対応する Texture の座標 (tex_xpos, tex_ypos) */ |
| 260 int tex_xpos, tex_ypos; | |
| 261 | |
| 262 // span の始点に対応する Texture の座標 (tex1, tey1) | |
| 263 float tex = span->tex_x1; | |
| 264 float tey = span->tex_y1; | |
| 265 | |
| 266 // span の始点に対応する z 座標 | |
| 267 float zpos = span->start_z; | |
| 268 | |
| 269 /* Tile 内での座標 */ | |
| 270 int localx = getLocalX(span->x-1); | |
| 271 int localy = getLocalY(span->y-1); | |
| 272 | |
| 273 /** | |
| 274 * (tex_xpos, tex_ypos) の、Tile 内(上の図参照)での座標と | |
| 275 * そのブロックのアドレス(MainMemory) | |
| 276 */ | |
| 277 int tex_localx; | |
| 278 int tex_localy; | |
| 279 memaddr tex_addr; | |
| 280 | |
| 281 if (span->x < startx || endx < span->x) { | |
| 282 return -1; | |
| 283 } | |
| 284 | |
| 285 tex_xpos = (int)((span->tex_width-1) * tex); | |
| 286 tex_ypos = (int)((span->tex_height-1) * tey); | |
| 287 | |
| 288 if (zpos < g->zRow[localx + (rangex*localy)]) { | |
| 289 tex_addr = getTile(tex_xpos, tex_ypos, | |
| 290 span->tex_width, (memaddr)span->tex_addr); | |
| 291 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL; | |
| 292 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL; | |
| 293 | |
| 594 | 294 TilePtr tile = smanager->get_segment(tex_addr,g->tileList); |
| 295 smanager->wait_segment(tile); | |
| 507 | 296 |
| 297 updateBuffer(g, zpos, rangex, localx, localy, | |
| 594 | 298 tex_localx, tex_localy, |
| 748 | 299 normal_x,normal_y,normal_z,tile, |
| 300 span->x, span->y, zpos, smanager); | |
| 507 | 301 } |
| 302 | |
| 303 return -1; | |
| 304 } | |
| 305 | |
| 594 | 306 #if 0 |
| 307 static void | |
| 308 drawDot2(SchedTask *smanager, SpanPtr span, int startx, int end, int js, int wait_tag) | |
| 309 { | |
| 310 //printf("%d\n", js); | |
| 311 } | |
| 312 #endif | |
| 507 | 313 |
| 314 /** | |
| 315 * 長さが 1 より大きい Span の描画 | |
| 316 * | |
| 317 * 本来の目的として、この関数(drawLine1) では | |
| 318 * : 既に SPE 上に Tile のある pixel だけ描画 | |
| 319 * : それ以外は、ここで予め DMA load しておき、 | |
| 320 * : drawLine2 で一気に描画する | |
| 321 * ってものだったんだけど、どうも上手く行かなかったので | |
| 322 * 今は drawLine1 で load -> wait -> rendering を全部やってます | |
| 323 * (rendering といっても、rendering buffer に書き込むだけで | |
| 324 * まだ main memory (frame buffer) に dma store してるわけではない) | |
| 325 * | |
| 326 * @param span Span | |
| 327 * @param startx 描画開始範囲 | |
| 328 * @param endx 描画終了範囲 | |
| 329 * @return 「span のどの位置まで rendering が終わったか」の x 座標 | |
| 330 */ | |
| 331 static int | |
| 332 drawLine1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag) | |
| 333 { | |
| 334 int x = span->x; | |
| 335 int rangex = endx - startx + 1; | |
| 336 int x_len = span->length_x; | |
| 337 | |
| 594 | 338 float normal_x = span->normal_x; |
| 339 float normal_y = span->normal_y; | |
| 340 float normal_z = span->normal_z; | |
| 341 | |
| 342 | |
| 507 | 343 int js = (x < startx) ? startx - x : 0; |
| 344 int je = (x + x_len > endx) ? endx - x : x_len; | |
| 345 | |
| 346 /* span->x に対応する Texture の座標 (tex_xpos, tex_ypos) */ | |
| 347 int tex_xpos, tex_ypos; | |
| 348 | |
| 349 // span の始点に対応する座標 (tex1, tey1) | |
| 350 float tex1 = span->tex_x1; | |
| 351 float tey1 = span->tex_y1; | |
| 352 | |
| 353 // span の終点に対応する座標 (tex2, tey2) | |
| 354 float tex2 = span->tex_x2; | |
| 355 float tey2 = span->tex_y2; | |
| 356 | |
| 357 // span の始点、終点に対応する z 座標 | |
| 358 float zpos1 = span->start_z; | |
| 359 float zpos2 = span->end_z; | |
| 360 | |
| 748 | 361 //spanを右から左に見ていくうちに、zが下がるのか、上がっていくのか。 |
| 762 | 362 float z_inclination = (zpos2 - zpos1) / x_len; |
| 748 | 363 float world_z = zpos2; |
| 364 | |
| 507 | 365 // Tile 内での座標 |
| 366 int localx, localy = getLocalY(span->y-1); | |
| 367 | |
| 368 int ret = je+1; | |
| 369 | |
| 370 //for (int j = js; j <= je; j++) { | |
| 371 for (int j = je; j >= js; j--) { | |
| 372 float tex_x, tex_y, tex_z; | |
| 373 | |
| 762 | 374 world_z -= z_inclination; |
| 748 | 375 |
| 507 | 376 localx = getLocalX(x-1+j); |
| 377 | |
| 378 tex_z = zpos1*(x_len-1-j)/(x_len-1) + zpos2*j/(x_len-1); | |
| 379 | |
| 380 tex_x = tex1*(x_len-1-j)/(x_len-1) + tex2*j/(x_len-1); | |
| 381 tex_y = tey1*(x_len-1-j)/(x_len-1) + tey2*j/(x_len-1); | |
| 382 if (tex_x > 1) tex_x = 1; | |
| 383 if (tex_x < 0) tex_x = 0; | |
| 384 if (tex_y > 1) tex_y = 1; | |
| 385 if (tex_y < 0) tex_y = 0; | |
| 386 tex_xpos = (int)((span->tex_width-1) * tex_x); | |
| 387 tex_ypos = (int)((span->tex_height-1) * tex_y); | |
| 388 | |
| 389 if (tex_z < g->zRow[localx + (rangex*localy)]) { | |
| 390 // (tex_xpos, tex_ypos) の、Tile 内(上の図参照)での座標と | |
| 391 // そのブロックのアドレス(MainMemory) | |
| 392 memaddr tex_addr; | |
| 393 int tex_localx; | |
| 394 int tex_localy; | |
| 395 | |
| 396 tex_addr = getTile(tex_xpos, tex_ypos, | |
| 397 span->tex_width, (memaddr)span->tex_addr); | |
| 398 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL; | |
| 399 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL; | |
| 400 TilePtr tile = smanager->get_segment(tex_addr,g->tileList); | |
| 401 smanager->wait_segment(tile); | |
| 402 | |
| 403 updateBuffer(g, tex_z, rangex, localx, localy, | |
| 594 | 404 tex_localx, tex_localy, |
| 748 | 405 normal_x, normal_y, normal_z, tile, |
| 406 span->x+j, span->y, world_z, smanager); | |
| 507 | 407 } |
| 408 } | |
| 409 | |
| 410 return ret; | |
| 411 } | |
| 412 | |
| 594 | 413 static int |
| 748 | 414 infinity_light_calc(int color,float normal_x, float normal_y, |
| 415 float normal_z, SchedTask *smanager, int x, int y, float z, | |
| 416 int world_x, int world_y, float world_z) | |
| 417 | |
| 507 | 418 { |
| 765 | 419 |
| 594 | 420 unsigned char rgb[4]; |
| 421 | |
| 422 // 引数で受け取った color の rgb 情報の抜き出し | |
| 623 | 423 #if LITTLEENDIAN |
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424 rgb[0] = (color & 0xff000000) >> 24; |
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425 rgb[1] = (color & 0x00ff0000) >> 16; |
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426 rgb[2] = (color & 0x0000ff00) >> 8; |
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427 rgb[3] = (color & 0x000000ff); |
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428 #else |
| 594 | 429 rgb[3] = (color & 0xff000000) >> 24; |
| 430 rgb[2] = (color & 0x00ff0000) >> 16; | |
| 431 rgb[1] = (color & 0x0000ff00) >> 8; | |
| 432 rgb[0] = (color & 0x000000ff); | |
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433 #endif |
| 594 | 434 |
| 765 | 435 |
| 775 | 436 vector float *light_xyz = (vector float*)smanager->global_get(Light); |
| 437 | |
| 765 | 438 vector float v_rgb __attribute__((aligned(16))) = {(float)rgb[0],(float)rgb[1],(float)rgb[2],0}; |
| 775 | 439 vector float normal_vector __attribute__((aligned(16))) = {normal_x,normal_y,normal_z,0}; |
| 440 vector float light_vector __attribute__((aligned(16))) = {0,0,0,0}; | |
| 765 | 441 vector float v_inner __attribute__((aligned(16))); |
| 442 vector float v_world[4] __attribute__((aligned(16))) = {{world_x, world_y, -world_z, 0}, | |
| 443 {world_x, world_y, -world_z, 0}, | |
| 444 {world_x, world_y, -world_z, 0}, | |
| 445 {0, 0, 0, 0}}; | |
| 446 | |
| 447 | |
| 775 | 448 int light_rgb; |
| 449 float inner_product; | |
| 765 | 450 |
| 775 | 451 normalize(normal_vector, normal_vector); |
| 452 | |
| 453 vector float vtmp_rgb __attribute__((aligned(16))) = {0,0,0,0}; | |
| 765 | 454 |
| 762 | 455 int light_num = 4; |
| 765 | 456 |
| 762 | 457 for (int i = 0; i < light_num; i++) { |
| 458 | |
| 775 | 459 light_vector = spu_sub(v_world[i],light_xyz[i]); |
| 460 normalize(light_vector, light_vector); | |
| 461 inner_product = innerProduct1(normal_vector,light_vector); | |
| 765 | 462 v_inner = spu_splats(inner_product); |
| 775 | 463 vtmp_rgb = spu_madd(v_rgb,v_inner,vtmp_rgb); |
| 762 | 464 |
| 465 } | |
| 466 | |
| 765 | 467 vector unsigned int v_flag __attribute__((aligned(16))); |
| 775 | 468 vector float max_rgb __attribute__((aligned(16))) = (vector float)spu_splats((float)255.0f); |
| 762 | 469 |
| 775 | 470 v_flag = spu_cmpgt(max_rgb,vtmp_rgb); |
| 471 vtmp_rgb = spu_sel(max_rgb,vtmp_rgb,v_flag); | |
| 472 | |
| 473 vector unsigned int last_rgb __attribute__((aligned(16))); | |
| 474 last_rgb = spu_convtu(vtmp_rgb,0); | |
| 762 | 475 |
| 594 | 476 |
| 477 //計算した rgb を light_rgb にまとめる。 | |
| 623 | 478 #if LITTLEENDIAN |
| 765 | 479 light_rgb = (last_rgb[0] << 24) + (last_rgb[1] << 16) + (last_rgb[2] << 8) + (last_rgb[3]); |
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480 #else |
| 765 | 481 light_rgb = (last_rgb[3] << 24) + (last_rgb[2] << 16) + (last_rgb[1] << 8) + (last_rgb[0]); |
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482 #endif |
| 594 | 483 |
| 484 return light_rgb; | |
| 507 | 485 } |
| 594 | 486 |
| 507 | 487 |
| 488 static int | |
| 489 run(SchedTask *smanager, void *rbuf, void *wbuf) | |
| 490 { | |
| 623 | 491 G g0; |
| 492 Gptr g = &g0; | |
| 507 | 493 |
| 494 SpanPackPtr spack = (SpanPackPtr)smanager->get_input(0); | |
| 495 SpanPackPtr next_spack = (SpanPackPtr)smanager->allocate(sizeof(SpanPack)); | |
| 496 SpanPackPtr free_spack = next_spack; // next_spack の free() 用 | |
| 497 Span *span; | |
| 498 | |
| 499 Span nop_span; | |
| 500 nop_span.length_x = 1; | |
| 501 | |
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502 // uint32 display = (long)smanager->get_param(0); |
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503 // int screen_width = (long)smanager->get_param(1); |
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504 int rangex_start = (long)smanager->get_param(2); |
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505 int rangex_end = (long)smanager->get_param(3); |
| 507 | 506 |
| 507 // このタスクが担当する x の範囲 | |
| 508 int rangex = rangex_end - rangex_start + 1; | |
| 509 | |
| 510 // y の範囲 | |
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511 int rangey = (long)smanager->get_param(4); |
| 507 | 512 g->tileList = (TileListPtr)smanager->global_get(GLOBAL_TILE_LIST); |
| 513 | |
| 514 g->zRow = zRow_init(smanager, rangex, rangey); | |
| 515 g->linebuf = linebuf_init(smanager, rangex, rangey, 0); | |
| 516 | |
| 517 int tl_tag[2] = {TEX_LOAD1, TEX_LOAD2}; | |
| 518 int tl_tag_flg1 = 0; | |
| 519 int tl_tag_flg2 = 1; | |
| 520 | |
| 521 do { | |
| 522 /** | |
| 523 * SpanPack->next が存在する場合、 | |
| 524 * 現在の SpanPack を処理してる間に | |
| 525 * 次の SpanPack の DMA 転送を行う | |
| 526 */ | |
| 527 if (spack->next != NULL) { | |
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528 smanager->dma_load(next_spack, (memaddr)spack->next, |
| 507 | 529 sizeof(SpanPack), SPAN_PACK_LOAD); |
| 530 } else { | |
| 531 next_spack = NULL; | |
| 532 } | |
| 533 | |
| 534 SpanPtr resume_span = &nop_span; | |
| 535 | |
| 536 for (int t = 0; t < spack->info.size; t++) { | |
| 537 SpanPtr next_span; | |
| 538 | |
| 539 span = &spack->span[t]; | |
| 540 | |
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541 if (span->length_x != 1) { |
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542 drawLine1( |
| 594 | 543 smanager, g, |
| 544 span, rangex_start, rangex_end, tl_tag[tl_tag_flg1]); | |
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545 } else { |
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546 drawDot1( |
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547 smanager, g, |
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548 span, rangex_start, rangex_end, tl_tag[tl_tag_flg1]); |
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549 } |
| 507 | 550 next_span = span; |
| 551 | |
| 552 resume_span = next_span; | |
| 553 | |
| 554 tl_tag_flg1 ^= 1; | |
| 555 tl_tag_flg2 ^= 1; | |
| 556 } | |
| 557 | |
| 558 smanager->dma_wait(SPAN_PACK_LOAD); | |
| 559 | |
| 560 SpanPackPtr tmp_spack = spack; | |
| 561 spack = next_spack; | |
| 562 next_spack = tmp_spack; | |
| 563 } while (spack); | |
| 564 | |
| 565 | |
| 566 free(g->zRow); | |
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567 free(g->linebuf); |
| 507 | 568 |
| 569 //FINISH: | |
| 570 /** | |
| 571 * goto FINISH; の時は reboot なので | |
| 572 * linebuf, zRow は free() しない | |
| 573 */ | |
| 574 | |
| 575 free(free_spack); | |
| 576 | |
| 577 | |
| 578 return 0; | |
| 579 } | |
| 594 | 580 |
| 581 /* end */ |