Mercurial > hg > Members > kono > Cerium
annotate Renderer/Engine/spe/DrawSpan.cc @ 762:10a8a80c2ea7
add lights
| author | yutaka@henri.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Sat, 06 Feb 2010 03:02:48 +0900 |
| parents | b7376415fa5f |
| children | dc26593f8c40 |
| 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" |
| 762 | 13 #include <math.h> |
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14 |
| 623 | 15 #if (__LITTLE_ENDIAN__) |
| 16 #define LITTLEENDIAN 1 | |
| 17 #else | |
| 18 #define LITTLEENDIAN 0 | |
| 19 #endif | |
| 507 | 20 |
| 21 SchedDefineTask(DrawSpan); | |
| 22 | |
| 23 #define TEX_LOAD1 0 | |
| 24 #define TEX_LOAD2 1 | |
| 25 #define SPAN_PACK_LOAD 2 | |
| 26 #define FB_STORE 3 | |
| 27 | |
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28 typedef struct { |
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29 int **linebuf; |
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30 float *zRow; |
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31 TileListPtr tileList; |
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32 int doneWrite; |
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33 } G, *Gptr; |
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34 |
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35 static int** linebuf_init(SchedTask *smanager, int width, int height, int rgb); |
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36 static float* zRow_init(SchedTask *smanager, int width, int height); |
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37 // static TilePtr set_rgb(memaddr addr, int wait_tag); |
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38 // static void set_rgbs(memaddr addr, uint32 *max_addr, int wait_tag); |
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39 static uint32 get_rgb(int tx, int ty, TilePtr tile); |
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40 // static TilePtr isAvailableTile(memaddr addr); |
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41 static memaddr getTile(int tx, int ty, int tw, memaddr tex_addr_top); |
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42 static int getTexBlock(int tx, int ty, int twidth); |
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43 |
| 748 | 44 static void updateBuffer(Gptr g, float zpos, int rangex, int loaclx, int localy, |
| 45 int tex_x, int tex_y, float normal_x, float nomral_x, float normal_z, | |
| 46 TilePtr tile, int world_x, int world_y, float world_z,SchedTask *smanager); | |
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47 |
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48 // static void reboot(SpanPackPtr spack, int cur_span_x); |
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49 |
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50 static int drawDot1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag); |
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51 //static void drawDot2(SchedTask *smanager, SpanPtr span, int startx, int endx, int js, int wait_tag); |
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52 static int drawLine1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag); |
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53 // static void drawLine2(SchedTask *smanager, SpanPtr span, int startx, int endx, int js, int wait_tag); |
| 748 | 54 |
| 55 static int infinity_light_calc(int color,float normal_x, float normal_y, float normal_z, | |
| 56 SchedTask *smanager,int x, int y, float z, int world_x, int world_y, float world_z); | |
| 57 | |
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58 |
| 762 | 59 void |
| 60 normalize(float *v0, float *v1) | |
| 61 { | |
| 62 float norm, dnorm; | |
| 63 | |
| 64 norm = sqrt(v1[0]*v1[0] + v1[1]*v1[1] + v1[2]*v1[2]); | |
| 65 if (norm > 0) { | |
| 66 dnorm = 1.0/norm; | |
| 67 v0[0] = v1[0]*dnorm; | |
| 68 v0[1] = v1[1]*dnorm; | |
| 69 v0[2] = v1[2]*dnorm; | |
| 70 v0[3] = v1[3]*dnorm; | |
| 71 } | |
| 72 } | |
| 73 | |
| 621 | 74 static float |
| 75 innerProduct1(float *v0, float *v1) | |
| 76 { | |
| 77 return (v0[0]*v1[0] + v0[1]*v1[1] + v0[2]*v1[2]); | |
| 78 } | |
| 79 | |
| 507 | 80 |
| 81 /** | |
| 82 * テクスチャは、TEXTURE_SPLIT_PIXEL^2 のブロックに分割する | |
| 83 * | |
| 84 * +---+---+---+---+---+---+ | |
| 85 * | 0 | 1 | 2 | 3 | 4 | 5 | | |
| 86 * +---+---+---+---+---+---+ | |
| 87 * | | | | | |11 | | |
| 88 * +---+---+---+---+---+---+ | |
| 89 * | | | | | |17 | | |
| 90 * +---+---+---+---+---+---+ | |
| 91 * | | | | | |23 | | |
| 92 * +---+---+---+---+---+---+ | |
| 93 * | | | | | |29 | | |
| 94 * +---+---+---+---+---+---+ | |
| 95 * | | | | | |35 | | |
| 96 * +---+---+---+---+---+---+ | |
| 97 * | |
| 98 * 一辺を TEXTURE_SPLIT とする | |
| 99 * 各ブロックの数字がブロックIDとなる。 | |
| 100 */ | |
| 101 | |
| 102 /** | |
| 103 * テクスチャの座標から、 | |
| 104 * テクスチャのどのブロックかを求める | |
| 105 * | |
| 106 * @param[in] tx X coordinates of texture | |
| 107 * @param[in] tx Y coordinates of texture | |
| 108 * @param[in] twidth Width of texture | |
| 109 * @return block ID | |
| 110 */ | |
| 111 static int | |
| 112 getTexBlock(int tx, int ty, int twidth) | |
| 113 { | |
| 114 int blockX, blockY; | |
| 115 | |
| 116 blockX = tx / TEXTURE_SPLIT_PIXEL; | |
| 117 blockY = ty / TEXTURE_SPLIT_PIXEL; | |
| 118 | |
| 119 return blockX + (twidth/TEXTURE_SPLIT_PIXEL)*blockY; | |
| 120 } | |
| 121 | |
| 122 /** | |
| 123 * block ID と、テクスチャの TOP address から | |
| 124 * (tx,ty) で使われるテクスチャの Tile addres を求める | |
| 125 * | |
| 126 * @param[in] tx X coordinates of texture | |
| 127 * @param[in] tx Y coordinates of texture | |
| 128 * @param[in] tw Width of texture | |
| 129 * @param[in] tex_addr_top (tx,ty) で使うテクスチャの先頭address | |
| 130 * @return block ID | |
| 131 */ | |
| 132 static memaddr | |
| 133 getTile(int tx, int ty, int tw, memaddr tex_addr_top) | |
| 134 { | |
| 135 int block = getTexBlock(tx, ty, tw); | |
| 594 | 136 return tex_addr_top + block * TEXTURE_BLOCK_SIZE * sizeof(uint32); |
| 507 | 137 } |
| 138 | |
| 139 /** | |
| 140 * FrameBuffer に書き込む rgb の領域初期化 | |
| 141 * | |
| 142 * @param width Width of Buffer | |
| 143 * @param height Height of Buffer | |
| 144 * @param rgb Initial value of RGB at Buffer | |
| 145 * @return Buffer | |
| 146 */ | |
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147 static int ** |
| 507 | 148 linebuf_init(SchedTask *smanager, int width, int height, int rgb) |
| 149 { | |
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150 int **linebuf = (int**)smanager->allocate(height*sizeof(int*)); |
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151 for(int h = 0;h<height;h++) { |
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152 int *buf = linebuf[h] = (int*)smanager->get_output(h); |
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153 for (int i = 0; i < width; i++) { |
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154 buf[i] = rgb; |
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155 } |
| 507 | 156 } |
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157 return linebuf; |
| 507 | 158 } |
| 159 | |
| 160 /** | |
| 161 * Z-Buffer の初期化 | |
| 162 * | |
| 163 * @param width Width of Z-Buffer | |
| 164 * @param height Height of Z-Buffer | |
| 165 * @return Z-Buffer | |
| 166 */ | |
| 167 static float* | |
| 168 zRow_init(SchedTask *smanager, int width, int height) | |
| 169 { | |
| 170 float *buf = (float*)smanager->allocate(sizeof(float)*width*height); | |
| 171 float def = 65535.0f; | |
| 172 | |
| 594 | 173 for (int i = 0; i < width*height; i++) { |
| 174 buf[i] = def; | |
| 507 | 175 } |
| 176 | |
| 177 return buf; | |
| 178 } | |
| 179 | |
| 180 | |
| 181 static uint32 | |
| 182 get_rgb(int tx, int ty, TilePtr tile) | |
| 183 { | |
| 184 uint32 *data = (uint32 *)tile->data; | |
| 185 return data[(TEXTURE_SPLIT_PIXEL)*ty+tx]; | |
| 186 } | |
| 187 | |
| 188 | |
| 189 | |
| 190 /** | |
| 191 * zRow と Linebuf を更新する | |
| 192 * | |
| 193 * @param zpos 更新する pixel のZ座標 | |
| 194 * @param rangex このタスクが処理する描画領域の x の長さ | |
| 195 * @param x pixel の、描画領域内での x 座標 | |
| 196 * @param y 〃 の、y 座標 | |
| 197 * @param tex_x pixel が使用するテクスチャの、Tile (8x8) 内での x 座標 | |
| 198 * @param tex_y 〃 の y 座標 | |
| 199 * @param tex_addr テクスチャのアドレス(MainMemory) | |
| 200 */ | |
| 201 static void | |
| 748 | 202 updateBuffer(Gptr g, float zpos, int rangex, int localx, int localy, int tex_x, int tex_y, |
| 203 float normal_x, float normal_y, float normal_z, TilePtr tile, | |
| 204 int world_x, int world_y, float world_z, SchedTask *smanager) | |
| 507 | 205 { |
| 594 | 206 |
| 207 int color = get_rgb(tex_x, tex_y, tile); | |
| 208 /*下位4bitを抽出*/ | |
| 623 | 209 #if LITTLEENDIAN |
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210 int alpha = color & 0x000000ff; |
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211 #else |
| 599 | 212 int alpha = color & 0xff000000; |
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213 #endif |
| 594 | 214 /*完全に透けているか判断*/ |
| 215 int flag = (alpha != 0); | |
| 216 | |
| 748 | 217 color = infinity_light_calc(color,normal_x,normal_y,normal_z, |
| 218 smanager,localx,localy,zpos, | |
| 219 world_x,world_y,world_z); | |
| 594 | 220 |
| 748 | 221 g->zRow[localx + (rangex*localy)] = zpos*flag + g->zRow[localx + (rangex*localy)]*(1-flag); |
| 222 int *point = &g->linebuf[localy][localx] ; | |
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223 *point = color*flag + *point *(1-flag); |
| 594 | 224 |
| 748 | 225 |
| 226 | |
| 507 | 227 } |
| 228 | |
| 229 /** | |
| 230 * 長さが 1 の Span の描画 (要するに 1 pixel) | |
| 231 * | |
| 232 * @param span Span | |
| 233 * @param startx 描画開始範囲 | |
| 234 * @param endx 描画終了範囲 | |
| 235 */ | |
| 236 static int | |
| 237 drawDot1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag) | |
| 238 { | |
| 239 int rangex = endx - startx + 1; | |
| 240 | |
| 594 | 241 float normal_x = span->normal_x; |
| 242 float normal_y = span->normal_y; | |
| 243 float normal_z = span->normal_z; | |
| 244 | |
| 245 | |
| 507 | 246 /* span->x に対応する Texture の座標 (tex_xpos, tex_ypos) */ |
| 247 int tex_xpos, tex_ypos; | |
| 248 | |
| 249 // span の始点に対応する Texture の座標 (tex1, tey1) | |
| 250 float tex = span->tex_x1; | |
| 251 float tey = span->tex_y1; | |
| 252 | |
| 253 // span の始点に対応する z 座標 | |
| 254 float zpos = span->start_z; | |
| 255 | |
| 256 /* Tile 内での座標 */ | |
| 257 int localx = getLocalX(span->x-1); | |
| 258 int localy = getLocalY(span->y-1); | |
| 259 | |
| 260 /** | |
| 261 * (tex_xpos, tex_ypos) の、Tile 内(上の図参照)での座標と | |
| 262 * そのブロックのアドレス(MainMemory) | |
| 263 */ | |
| 264 int tex_localx; | |
| 265 int tex_localy; | |
| 266 memaddr tex_addr; | |
| 267 | |
| 268 if (span->x < startx || endx < span->x) { | |
| 269 return -1; | |
| 270 } | |
| 271 | |
| 272 tex_xpos = (int)((span->tex_width-1) * tex); | |
| 273 tex_ypos = (int)((span->tex_height-1) * tey); | |
| 274 | |
| 275 if (zpos < g->zRow[localx + (rangex*localy)]) { | |
| 276 tex_addr = getTile(tex_xpos, tex_ypos, | |
| 277 span->tex_width, (memaddr)span->tex_addr); | |
| 278 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL; | |
| 279 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL; | |
| 280 | |
| 594 | 281 TilePtr tile = smanager->get_segment(tex_addr,g->tileList); |
| 282 smanager->wait_segment(tile); | |
| 507 | 283 |
| 284 updateBuffer(g, zpos, rangex, localx, localy, | |
| 594 | 285 tex_localx, tex_localy, |
| 748 | 286 normal_x,normal_y,normal_z,tile, |
| 287 span->x, span->y, zpos, smanager); | |
| 507 | 288 } |
| 289 | |
| 290 return -1; | |
| 291 } | |
| 292 | |
| 594 | 293 #if 0 |
| 294 static void | |
| 295 drawDot2(SchedTask *smanager, SpanPtr span, int startx, int end, int js, int wait_tag) | |
| 296 { | |
| 297 //printf("%d\n", js); | |
| 298 } | |
| 299 #endif | |
| 507 | 300 |
| 301 /** | |
| 302 * 長さが 1 より大きい Span の描画 | |
| 303 * | |
| 304 * 本来の目的として、この関数(drawLine1) では | |
| 305 * : 既に SPE 上に Tile のある pixel だけ描画 | |
| 306 * : それ以外は、ここで予め DMA load しておき、 | |
| 307 * : drawLine2 で一気に描画する | |
| 308 * 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 | |
| 309 * 今は drawLine1 で load -> wait -> rendering を全部やってます | |
| 310 * (rendering といっても、rendering buffer に書き込むだけで | |
| 311 * まだ main memory (frame buffer) に dma store してるわけではない) | |
| 312 * | |
| 313 * @param span Span | |
| 314 * @param startx 描画開始範囲 | |
| 315 * @param endx 描画終了範囲 | |
| 316 * @return 「span のどの位置まで rendering が終わったか」の x 座標 | |
| 317 */ | |
| 318 static int | |
| 319 drawLine1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag) | |
| 320 { | |
| 321 int x = span->x; | |
| 322 int rangex = endx - startx + 1; | |
| 323 int x_len = span->length_x; | |
| 324 | |
| 594 | 325 float normal_x = span->normal_x; |
| 326 float normal_y = span->normal_y; | |
| 327 float normal_z = span->normal_z; | |
| 328 | |
| 329 | |
| 507 | 330 int js = (x < startx) ? startx - x : 0; |
| 331 int je = (x + x_len > endx) ? endx - x : x_len; | |
| 332 | |
| 333 /* span->x に対応する Texture の座標 (tex_xpos, tex_ypos) */ | |
| 334 int tex_xpos, tex_ypos; | |
| 335 | |
| 336 // span の始点に対応する座標 (tex1, tey1) | |
| 337 float tex1 = span->tex_x1; | |
| 338 float tey1 = span->tex_y1; | |
| 339 | |
| 340 // span の終点に対応する座標 (tex2, tey2) | |
| 341 float tex2 = span->tex_x2; | |
| 342 float tey2 = span->tex_y2; | |
| 343 | |
| 344 // span の始点、終点に対応する z 座標 | |
| 345 float zpos1 = span->start_z; | |
| 346 float zpos2 = span->end_z; | |
| 347 | |
| 748 | 348 //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 | 349 float z_inclination = (zpos2 - zpos1) / x_len; |
| 748 | 350 float world_z = zpos2; |
| 351 | |
| 507 | 352 // Tile 内での座標 |
| 353 int localx, localy = getLocalY(span->y-1); | |
| 354 | |
| 355 int ret = je+1; | |
| 356 | |
| 357 //for (int j = js; j <= je; j++) { | |
| 358 for (int j = je; j >= js; j--) { | |
| 359 float tex_x, tex_y, tex_z; | |
| 360 | |
| 762 | 361 world_z -= z_inclination; |
| 748 | 362 |
| 507 | 363 localx = getLocalX(x-1+j); |
| 364 | |
| 365 tex_z = zpos1*(x_len-1-j)/(x_len-1) + zpos2*j/(x_len-1); | |
| 366 | |
| 367 tex_x = tex1*(x_len-1-j)/(x_len-1) + tex2*j/(x_len-1); | |
| 368 tex_y = tey1*(x_len-1-j)/(x_len-1) + tey2*j/(x_len-1); | |
| 369 if (tex_x > 1) tex_x = 1; | |
| 370 if (tex_x < 0) tex_x = 0; | |
| 371 if (tex_y > 1) tex_y = 1; | |
| 372 if (tex_y < 0) tex_y = 0; | |
| 373 tex_xpos = (int)((span->tex_width-1) * tex_x); | |
| 374 tex_ypos = (int)((span->tex_height-1) * tex_y); | |
| 375 | |
| 376 if (tex_z < g->zRow[localx + (rangex*localy)]) { | |
| 377 // (tex_xpos, tex_ypos) の、Tile 内(上の図参照)での座標と | |
| 378 // そのブロックのアドレス(MainMemory) | |
| 379 memaddr tex_addr; | |
| 380 int tex_localx; | |
| 381 int tex_localy; | |
| 382 | |
| 383 tex_addr = getTile(tex_xpos, tex_ypos, | |
| 384 span->tex_width, (memaddr)span->tex_addr); | |
| 385 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL; | |
| 386 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL; | |
| 387 TilePtr tile = smanager->get_segment(tex_addr,g->tileList); | |
| 388 smanager->wait_segment(tile); | |
| 389 | |
| 390 updateBuffer(g, tex_z, rangex, localx, localy, | |
| 594 | 391 tex_localx, tex_localy, |
| 748 | 392 normal_x, normal_y, normal_z, tile, |
| 393 span->x+j, span->y, world_z, smanager); | |
| 507 | 394 } |
| 395 } | |
| 396 | |
| 397 return ret; | |
| 398 } | |
| 399 | |
| 594 | 400 static int |
| 748 | 401 infinity_light_calc(int color,float normal_x, float normal_y, |
| 402 float normal_z, SchedTask *smanager, int x, int y, float z, | |
| 403 int world_x, int world_y, float world_z) | |
| 404 | |
| 507 | 405 { |
| 594 | 406 unsigned char rgb[4]; |
| 407 int light_rgb; | |
| 408 int flag; | |
| 409 float normal_vector[4] = {normal_x,normal_y,normal_z,0}; | |
| 410 // 光のベクトル,きめうちしちゃった。どうにかする | |
| 762 | 411 //float light_vector[4] = {0,0,-1,0}; |
| 412 float light_vector[4]; | |
| 594 | 413 float inner_product; |
| 762 | 414 float *light_xyz = (float*)smanager->global_get(Light); |
| 415 | |
| 416 normalize(normal_vector, normal_vector); | |
| 594 | 417 |
| 418 // 引数で受け取った color の rgb 情報の抜き出し | |
| 623 | 419 #if LITTLEENDIAN |
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420 rgb[0] = (color & 0xff000000) >> 24; |
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421 rgb[1] = (color & 0x00ff0000) >> 16; |
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422 rgb[2] = (color & 0x0000ff00) >> 8; |
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423 rgb[3] = (color & 0x000000ff); |
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424 #else |
| 594 | 425 rgb[3] = (color & 0xff000000) >> 24; |
| 426 rgb[2] = (color & 0x00ff0000) >> 16; | |
| 427 rgb[1] = (color & 0x0000ff00) >> 8; | |
| 428 rgb[0] = (color & 0x000000ff); | |
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429 #endif |
| 594 | 430 |
| 762 | 431 int tmp_rgb[3] = {0,0,0}; |
| 432 int light_num = 4; | |
| 433 for (int i = 0; i < light_num; i++) { | |
| 434 | |
| 435 //printf("light_xyz[%d] %f\n",i*4,light_xyz[i*4]); | |
| 436 //printf("light_xyz[%d] %f\n",i*4+1,light_xyz[i*4+1]); | |
| 437 //printf("light_xyz[%d] %f\n",i*4+2,light_xyz[i*4+2]); | |
| 438 //printf("light_xyz[%d] %f\n",i*4+3fg,light_xyz[i*4+3]); | |
| 439 | |
| 440 light_vector[0] = world_x - light_xyz[i*4]; | |
| 441 light_vector[1] = world_y - light_xyz[i*4+1]; | |
| 442 light_vector[2] = light_xyz[i*4+2] - world_z; | |
| 443 light_vector[3] = light_xyz[i*4+3]; | |
| 444 | |
| 445 normalize(light_vector, light_vector); | |
| 446 | |
| 447 // 法線ベクトルと光源ベクトルとの内積をとる | |
| 448 inner_product = innerProduct1(normal_vector,light_vector); | |
| 594 | 449 |
| 762 | 450 //printf("inner_product %f\n",inner_product); |
| 451 | |
| 452 // 内積がマイナスの場合は色がない。 | |
| 453 flag = (inner_product > 0); | |
| 454 | |
| 455 // 内積を rgb にかけていく | |
| 456 tmp_rgb[0] += (unsigned char)(rgb[0]*inner_product*flag); | |
| 457 tmp_rgb[1] += (unsigned char)(rgb[1]*inner_product*flag); | |
| 458 tmp_rgb[2] += (unsigned char)(rgb[2]*inner_product*flag); | |
| 459 | |
| 460 } | |
| 461 | |
| 462 int rgb_flag[3]; | |
| 463 for (int i = 0; i < 3; i++) { | |
| 464 rgb_flag[i] = (tmp_rgb[i] > 255); | |
| 465 } | |
| 466 | |
| 467 rgb[0] = tmp_rgb[0]*(1 - rgb_flag[0]) + 255*(rgb_flag[0]); | |
| 468 rgb[1] = tmp_rgb[1]*(1 - rgb_flag[1]) + 255*(rgb_flag[1]); | |
| 469 rgb[2] = tmp_rgb[2]*(1 - rgb_flag[2]) + 255*(rgb_flag[2]); | |
| 470 | |
| 594 | 471 |
| 472 //計算した rgb を light_rgb にまとめる。 | |
| 623 | 473 #if LITTLEENDIAN |
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474 light_rgb = (rgb[0] << 24) + (rgb[1] << 16) + (rgb[2] << 8) + (rgb[3]); |
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475 #else |
| 594 | 476 light_rgb = (rgb[3] << 24) + (rgb[2] << 16) + (rgb[1] << 8) + (rgb[0]); |
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477 #endif |
| 594 | 478 |
| 479 return light_rgb; | |
| 507 | 480 } |
| 594 | 481 |
| 507 | 482 |
| 483 static int | |
| 484 run(SchedTask *smanager, void *rbuf, void *wbuf) | |
| 485 { | |
| 623 | 486 G g0; |
| 487 Gptr g = &g0; | |
| 507 | 488 |
| 489 SpanPackPtr spack = (SpanPackPtr)smanager->get_input(0); | |
| 490 SpanPackPtr next_spack = (SpanPackPtr)smanager->allocate(sizeof(SpanPack)); | |
| 491 SpanPackPtr free_spack = next_spack; // next_spack の free() 用 | |
| 492 Span *span; | |
| 493 | |
| 494 Span nop_span; | |
| 495 nop_span.length_x = 1; | |
| 496 | |
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497 // uint32 display = (long)smanager->get_param(0); |
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498 // int screen_width = (long)smanager->get_param(1); |
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499 int rangex_start = (long)smanager->get_param(2); |
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500 int rangex_end = (long)smanager->get_param(3); |
| 507 | 501 |
| 502 // このタスクが担当する x の範囲 | |
| 503 int rangex = rangex_end - rangex_start + 1; | |
| 504 | |
| 505 // y の範囲 | |
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506 int rangey = (long)smanager->get_param(4); |
| 507 | 507 g->tileList = (TileListPtr)smanager->global_get(GLOBAL_TILE_LIST); |
| 508 | |
| 509 g->zRow = zRow_init(smanager, rangex, rangey); | |
| 510 g->linebuf = linebuf_init(smanager, rangex, rangey, 0); | |
| 511 | |
| 512 int tl_tag[2] = {TEX_LOAD1, TEX_LOAD2}; | |
| 513 int tl_tag_flg1 = 0; | |
| 514 int tl_tag_flg2 = 1; | |
| 515 | |
| 516 do { | |
| 517 /** | |
| 518 * SpanPack->next が存在する場合、 | |
| 519 * 現在の SpanPack を処理してる間に | |
| 520 * 次の SpanPack の DMA 転送を行う | |
| 521 */ | |
| 522 if (spack->next != NULL) { | |
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523 smanager->dma_load(next_spack, (memaddr)spack->next, |
| 507 | 524 sizeof(SpanPack), SPAN_PACK_LOAD); |
| 525 } else { | |
| 526 next_spack = NULL; | |
| 527 } | |
| 528 | |
| 529 SpanPtr resume_span = &nop_span; | |
| 530 | |
| 531 for (int t = 0; t < spack->info.size; t++) { | |
| 532 SpanPtr next_span; | |
| 533 | |
| 534 span = &spack->span[t]; | |
| 535 | |
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536 if (span->length_x != 1) { |
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537 drawLine1( |
| 594 | 538 smanager, g, |
| 539 span, rangex_start, rangex_end, tl_tag[tl_tag_flg1]); | |
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540 } else { |
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541 drawDot1( |
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542 smanager, g, |
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543 span, rangex_start, rangex_end, tl_tag[tl_tag_flg1]); |
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544 } |
| 507 | 545 next_span = span; |
| 546 | |
| 547 resume_span = next_span; | |
| 548 | |
| 549 tl_tag_flg1 ^= 1; | |
| 550 tl_tag_flg2 ^= 1; | |
| 551 } | |
| 552 | |
| 553 smanager->dma_wait(SPAN_PACK_LOAD); | |
| 554 | |
| 555 SpanPackPtr tmp_spack = spack; | |
| 556 spack = next_spack; | |
| 557 next_spack = tmp_spack; | |
| 558 } while (spack); | |
| 559 | |
| 560 | |
| 561 free(g->zRow); | |
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562 free(g->linebuf); |
| 507 | 563 |
| 564 //FINISH: | |
| 565 /** | |
| 566 * goto FINISH; の時は reboot なので | |
| 567 * linebuf, zRow は free() しない | |
| 568 */ | |
| 569 | |
| 570 free(free_spack); | |
| 571 | |
| 572 | |
| 573 return 0; | |
| 574 } | |
| 594 | 575 |
| 576 /* end */ |