Mercurial > hg > Game > Cerium
annotate Renderer/Engine/task/DrawSpan.cc @ 1144:e068c1269292 draft
light fix
| author | Yutaka_Kinjyo |
|---|---|
| date | Sat, 19 Feb 2011 03:54:12 +0900 |
| parents | b99abedb5523 |
| children | 4e898dca4ab9 |
| rev | line source |
|---|---|
| 539 | 1 #include <stdlib.h> |
| 2 #include <string.h> | |
| 3 #include "DrawSpan.h" | |
| 4 #include "polygon_pack.h" | |
| 860 | 5 #include "task_texture.h" |
| 539 | 6 #include "viewer_types.h" |
| 7 #include "Func.h" | |
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8 #include "SchedTask.h" |
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9 #include "Tapestry.h" |
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10 #include "SpanPack.h" |
| 1050 | 11 #include "matrix_calc.h" |
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12 |
| 623 | 13 #if (__LITTLE_ENDIAN__) |
| 14 #define LITTLEENDIAN 1 | |
| 15 #else | |
| 16 #define LITTLEENDIAN 0 | |
| 17 #endif | |
| 539 | 18 |
| 19 SchedDefineTask(DrawSpan); | |
| 20 | |
| 21 #define TEX_LOAD1 0 | |
| 22 #define TEX_LOAD2 1 | |
| 23 #define SPAN_PACK_LOAD 2 | |
| 24 #define FB_STORE 3 | |
| 25 | |
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26 typedef struct { |
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27 int **linebuf; |
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28 float *zRow; |
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29 TileListPtr tileList; |
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30 int doneWrite; |
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31 } G, *Gptr; |
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32 |
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33 static int** linebuf_init(SchedTask *smanager, int width, int height, int rgb); |
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34 static float* zRow_init(SchedTask *smanager, int width, int height); |
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35 // static TilePtr set_rgb(memaddr addr, int wait_tag); |
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36 // static void set_rgbs(memaddr addr, uint32 *max_addr, int wait_tag); |
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37 static uint32 get_rgb(int tx, int ty, TilePtr tile); |
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38 // static TilePtr isAvailableTile(memaddr addr); |
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39 static memaddr getTile(int tx, int ty, int tw, memaddr tex_addr_top); |
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40 static int getTexBlock(int tx, int ty, int twidth); |
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41 |
| 738 | 42 static void updateBuffer(Gptr g, float zpos, int rangex, int loaclx, int localy, |
| 43 int tex_x, int tex_y, float normal_x, float nomral_x, float normal_z, | |
| 44 TilePtr tile, int world_x, int world_y, float world_z,SchedTask *smanager); | |
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45 |
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46 // static void reboot(SpanPackPtr spack, int cur_span_x); |
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47 |
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48 static int drawDot1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag); |
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49 //static void drawDot2(SchedTask *smanager, SpanPtr span, int startx, int endx, int js, int wait_tag); |
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50 static int drawLine1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag); |
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51 // static void drawLine2(SchedTask *smanager, SpanPtr span, int startx, int endx, int js, int wait_tag); |
| 738 | 52 |
| 53 static int infinity_light_calc(int color,float normal_x, float normal_y, float normal_z, | |
| 54 SchedTask *smanager,int x, int y, float z, int world_x, int world_y, float world_z); | |
| 55 | |
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56 |
| 621 | 57 static float |
| 58 innerProduct1(float *v0, float *v1) | |
| 59 { | |
| 845 | 60 return (v0[0]*v1[0] + v0[1]*v1[1] + v0[2]*v1[2]); |
| 621 | 61 } |
| 62 | |
| 539 | 63 |
| 64 /** | |
| 65 * テクスチャは、TEXTURE_SPLIT_PIXEL^2 のブロックに分割する | |
| 66 * | |
| 67 * +---+---+---+---+---+---+ | |
| 68 * | 0 | 1 | 2 | 3 | 4 | 5 | | |
| 69 * +---+---+---+---+---+---+ | |
| 70 * | | | | | |11 | | |
| 71 * +---+---+---+---+---+---+ | |
| 72 * | | | | | |17 | | |
| 73 * +---+---+---+---+---+---+ | |
| 74 * | | | | | |23 | | |
| 75 * +---+---+---+---+---+---+ | |
| 76 * | | | | | |29 | | |
| 77 * +---+---+---+---+---+---+ | |
| 78 * | | | | | |35 | | |
| 79 * +---+---+---+---+---+---+ | |
| 80 * | |
| 81 * 一辺を TEXTURE_SPLIT とする | |
| 82 * 各ブロックの数字がブロックIDとなる。 | |
| 83 */ | |
| 84 | |
| 85 /** | |
| 86 * テクスチャの座標から、 | |
| 87 * テクスチャのどのブロックかを求める | |
| 88 * | |
| 89 * @param[in] tx X coordinates of texture | |
| 90 * @param[in] tx Y coordinates of texture | |
| 91 * @param[in] twidth Width of texture | |
| 92 * @return block ID | |
| 93 */ | |
| 94 static int | |
| 95 getTexBlock(int tx, int ty, int twidth) | |
| 96 { | |
| 97 int blockX, blockY; | |
| 98 | |
| 99 blockX = tx / TEXTURE_SPLIT_PIXEL; | |
| 100 blockY = ty / TEXTURE_SPLIT_PIXEL; | |
| 101 | |
| 102 return blockX + (twidth/TEXTURE_SPLIT_PIXEL)*blockY; | |
| 103 } | |
| 104 | |
| 105 /** | |
| 106 * block ID と、テクスチャの TOP address から | |
| 107 * (tx,ty) で使われるテクスチャの Tile addres を求める | |
| 108 * | |
| 109 * @param[in] tx X coordinates of texture | |
| 110 * @param[in] tx Y coordinates of texture | |
| 111 * @param[in] tw Width of texture | |
| 112 * @param[in] tex_addr_top (tx,ty) で使うテクスチャの先頭address | |
| 113 * @return block ID | |
| 114 */ | |
| 115 static memaddr | |
| 116 getTile(int tx, int ty, int tw, memaddr tex_addr_top) | |
| 117 { | |
| 118 int block = getTexBlock(tx, ty, tw); | |
| 119 return tex_addr_top + block * TEXTURE_BLOCK_SIZE * sizeof(uint32); | |
| 120 } | |
| 121 | |
| 122 /** | |
| 123 * FrameBuffer に書き込む rgb の領域初期化 | |
| 124 * | |
| 125 * @param width Width of Buffer | |
| 126 * @param height Height of Buffer | |
| 127 * @param rgb Initial value of RGB at Buffer | |
| 128 * @return Buffer | |
| 129 */ | |
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130 static int ** |
| 539 | 131 linebuf_init(SchedTask *smanager, int width, int height, int rgb) |
| 132 { | |
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133 int **linebuf = (int**)smanager->allocate(height*sizeof(int*)); |
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134 for(int h = 0;h<height;h++) { |
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135 int *buf = linebuf[h] = (int*)smanager->get_output(h); |
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136 for (int i = 0; i < width; i++) { |
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137 buf[i] = rgb; |
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138 } |
| 539 | 139 } |
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140 return linebuf; |
| 539 | 141 } |
| 142 | |
| 143 /** | |
| 144 * Z-Buffer の初期化 | |
| 145 * | |
| 146 * @param width Width of Z-Buffer | |
| 147 * @param height Height of Z-Buffer | |
| 148 * @return Z-Buffer | |
| 149 */ | |
| 150 static float* | |
| 151 zRow_init(SchedTask *smanager, int width, int height) | |
| 152 { | |
| 153 float *buf = (float*)smanager->allocate(sizeof(float)*width*height); | |
| 154 float def = 65535.0f; | |
| 155 | |
| 156 for (int i = 0; i < width*height; i++) { | |
| 157 buf[i] = def; | |
| 158 } | |
| 159 | |
| 160 return buf; | |
| 161 } | |
| 162 | |
| 163 | |
| 164 static uint32 | |
| 165 get_rgb(int tx, int ty, TilePtr tile) | |
| 166 { | |
| 167 uint32 *data = (uint32 *)tile->data; | |
| 168 return data[(TEXTURE_SPLIT_PIXEL)*ty+tx]; | |
| 169 } | |
| 170 | |
| 171 | |
| 172 | |
| 173 /** | |
| 174 * zRow と Linebuf を更新する | |
| 175 * | |
| 176 * @param zpos 更新する pixel のZ座標 | |
| 177 * @param rangex このタスクが処理する描画領域の x の長さ | |
| 178 * @param x pixel の、描画領域内での x 座標 | |
| 179 * @param y 〃 の、y 座標 | |
| 180 * @param tex_x pixel が使用するテクスチャの、Tile (8x8) 内での x 座標 | |
| 181 * @param tex_y 〃 の y 座標 | |
| 182 * @param tex_addr テクスチャのアドレス(MainMemory) | |
| 183 */ | |
| 184 static void | |
| 738 | 185 updateBuffer(Gptr g, float zpos, int rangex, int localx, int localy, int tex_x, int tex_y, |
| 186 float normal_x, float normal_y, float normal_z, TilePtr tile, | |
| 187 int world_x, int world_y, float world_z, SchedTask *smanager) | |
| 539 | 188 { |
| 189 | |
| 190 int color = get_rgb(tex_x, tex_y, tile); | |
| 191 /*下位4bitを抽出*/ | |
| 623 | 192 #if LITTLEENDIAN |
| 599 | 193 int alpha = color & 0x000000ff; |
| 619 | 194 #else |
| 195 int alpha = color & 0xff000000; | |
| 196 #endif | |
| 845 | 197 |
| 1054 | 198 |
| 199 //完全に透けているか判断 | |
| 1031 | 200 int flag = (alpha != 0); |
| 1054 | 201 int *light_sysswitch = (int*)smanager->global_get(LightSysSwitch); |
| 202 //smanager->printf("sys %d\n",light_sysswitch); | |
| 539 | 203 |
| 1054 | 204 if ( *light_sysswitch == 1 && flag) { |
| 205 color = infinity_light_calc(color,normal_x,normal_y,normal_z, | |
| 206 smanager,localx,localy,zpos, | |
| 207 world_x,world_y,world_z); | |
| 855 | 208 } |
| 539 | 209 |
| 738 | 210 g->zRow[localx + (rangex*localy)] = zpos*flag + g->zRow[localx + (rangex*localy)]*(1-flag); |
| 1054 | 211 int *point = &g->linebuf[localy][localx]; |
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212 *point = color*flag + *point *(1-flag); |
| 539 | 213 |
| 1054 | 214 |
| 539 | 215 } |
| 216 | |
| 217 /** | |
| 218 * 長さが 1 の Span の描画 (要するに 1 pixel) | |
| 219 * | |
| 220 * @param span Span | |
| 221 * @param startx 描画開始範囲 | |
| 222 * @param endx 描画終了範囲 | |
| 223 */ | |
| 224 static int | |
| 225 drawDot1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag) | |
| 226 { | |
| 227 int rangex = endx - startx + 1; | |
| 228 | |
| 229 float normal_x = span->normal_x; | |
| 230 float normal_y = span->normal_y; | |
| 231 float normal_z = span->normal_z; | |
| 232 | |
| 233 | |
| 234 /* span->x に対応する Texture の座標 (tex_xpos, tex_ypos) */ | |
| 235 int tex_xpos, tex_ypos; | |
| 236 | |
| 237 // span の始点に対応する Texture の座標 (tex1, tey1) | |
| 238 float tex = span->tex_x1; | |
| 239 float tey = span->tex_y1; | |
| 240 | |
| 241 // span の始点に対応する z 座標 | |
| 242 float zpos = span->start_z; | |
| 243 | |
| 244 /* Tile 内での座標 */ | |
| 245 int localx = getLocalX(span->x-1); | |
| 246 int localy = getLocalY(span->y-1); | |
| 247 | |
| 248 /** | |
| 249 * (tex_xpos, tex_ypos) の、Tile 内(上の図参照)での座標と | |
| 250 * そのブロックのアドレス(MainMemory) | |
| 251 */ | |
| 252 int tex_localx; | |
| 253 int tex_localy; | |
| 254 memaddr tex_addr; | |
| 255 | |
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256 if (span->x < startx || endx < span->x || ! span->tex_addr) { |
| 539 | 257 return -1; |
| 258 } | |
| 259 | |
| 260 tex_xpos = (int)((span->tex_width-1) * tex); | |
| 261 tex_ypos = (int)((span->tex_height-1) * tey); | |
| 262 | |
| 263 if (zpos < g->zRow[localx + (rangex*localy)]) { | |
| 264 tex_addr = getTile(tex_xpos, tex_ypos, | |
| 265 span->tex_width, (memaddr)span->tex_addr); | |
| 266 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL; | |
| 267 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL; | |
| 268 | |
| 269 TilePtr tile = smanager->get_segment(tex_addr,g->tileList); | |
| 270 smanager->wait_segment(tile); | |
| 271 | |
| 272 updateBuffer(g, zpos, rangex, localx, localy, | |
| 273 tex_localx, tex_localy, | |
| 738 | 274 normal_x,normal_y,normal_z,tile, |
| 275 span->x, span->y, zpos, smanager); | |
| 539 | 276 } |
| 277 | |
| 278 return -1; | |
| 279 } | |
| 280 | |
| 281 #if 0 | |
| 282 static void | |
| 283 drawDot2(SchedTask *smanager, SpanPtr span, int startx, int end, int js, int wait_tag) | |
| 284 { | |
| 285 //printf("%d\n", js); | |
| 286 } | |
| 287 #endif | |
| 288 | |
| 289 /** | |
| 290 * 長さが 1 より大きい Span の描画 | |
| 291 * | |
| 292 * 本来の目的として、この関数(drawLine1) では | |
| 293 * : 既に SPE 上に Tile のある pixel だけ描画 | |
| 294 * : それ以外は、ここで予め DMA load しておき、 | |
| 295 * : drawLine2 で一気に描画する | |
| 296 * 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 | |
| 297 * 今は drawLine1 で load -> wait -> rendering を全部やってます | |
| 298 * (rendering といっても、rendering buffer に書き込むだけで | |
| 299 * まだ main memory (frame buffer) に dma store してるわけではない) | |
| 300 * | |
| 301 * @param span Span | |
| 302 * @param startx 描画開始範囲 | |
| 303 * @param endx 描画終了範囲 | |
| 304 * @return 「span のどの位置まで rendering が終わったか」の x 座標 | |
| 305 */ | |
| 306 static int | |
| 307 drawLine1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag) | |
| 308 { | |
| 309 int x = span->x; | |
| 310 int rangex = endx - startx + 1; | |
| 311 int x_len = span->length_x; | |
| 312 | |
| 313 float normal_x = span->normal_x; | |
| 314 float normal_y = span->normal_y; | |
| 315 float normal_z = span->normal_z; | |
| 316 | |
| 317 | |
| 318 int js = (x < startx) ? startx - x : 0; | |
| 319 int je = (x + x_len > endx) ? endx - x : x_len; | |
| 320 | |
| 321 /* span->x に対応する Texture の座標 (tex_xpos, tex_ypos) */ | |
| 322 int tex_xpos, tex_ypos; | |
| 323 | |
| 324 // span の始点に対応する座標 (tex1, tey1) | |
| 325 float tex1 = span->tex_x1; | |
| 326 float tey1 = span->tex_y1; | |
| 327 | |
| 328 // span の終点に対応する座標 (tex2, tey2) | |
| 329 float tex2 = span->tex_x2; | |
| 330 float tey2 = span->tex_y2; | |
| 331 | |
| 332 // span の始点、終点に対応する z 座標 | |
| 333 float zpos1 = span->start_z; | |
| 334 float zpos2 = span->end_z; | |
| 335 | |
| 738 | 336 //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。 |
| 337 float z_inclination = (zpos1 - zpos2) / x_len; | |
| 338 float world_z = zpos2; | |
| 339 | |
| 539 | 340 // Tile 内での座標 |
| 341 int localx, localy = getLocalY(span->y-1); | |
| 342 | |
| 343 int ret = je+1; | |
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344 if (!span->tex_addr) |
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345 return -1; // broken case, I'd like to write some thing... |
| 539 | 346 |
| 347 //for (int j = js; j <= je; j++) { | |
| 348 for (int j = je; j >= js; j--) { | |
| 349 float tex_x, tex_y, tex_z; | |
| 350 | |
| 738 | 351 world_z += z_inclination; |
| 352 | |
| 539 | 353 localx = getLocalX(x-1+j); |
| 354 | |
| 355 tex_z = zpos1*(x_len-1-j)/(x_len-1) + zpos2*j/(x_len-1); | |
| 356 | |
| 357 tex_x = tex1*(x_len-1-j)/(x_len-1) + tex2*j/(x_len-1); | |
| 358 tex_y = tey1*(x_len-1-j)/(x_len-1) + tey2*j/(x_len-1); | |
| 359 if (tex_x > 1) tex_x = 1; | |
| 360 if (tex_x < 0) tex_x = 0; | |
| 361 if (tex_y > 1) tex_y = 1; | |
| 362 if (tex_y < 0) tex_y = 0; | |
| 363 tex_xpos = (int)((span->tex_width-1) * tex_x); | |
| 364 tex_ypos = (int)((span->tex_height-1) * tex_y); | |
| 365 | |
| 366 if (tex_z < g->zRow[localx + (rangex*localy)]) { | |
| 367 // (tex_xpos, tex_ypos) の、Tile 内(上の図参照)での座標と | |
| 368 // そのブロックのアドレス(MainMemory) | |
| 369 memaddr tex_addr; | |
| 370 int tex_localx; | |
| 371 int tex_localy; | |
| 372 | |
| 373 tex_addr = getTile(tex_xpos, tex_ypos, | |
| 374 span->tex_width, (memaddr)span->tex_addr); | |
| 375 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL; | |
| 376 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL; | |
| 377 TilePtr tile = smanager->get_segment(tex_addr,g->tileList); | |
| 378 smanager->wait_segment(tile); | |
| 379 | |
| 380 updateBuffer(g, tex_z, rangex, localx, localy, | |
| 381 tex_localx, tex_localy, | |
| 738 | 382 normal_x, normal_y, normal_z, tile, |
| 383 span->x+j, span->y, world_z, smanager); | |
| 539 | 384 } |
| 385 } | |
| 386 | |
| 387 return ret; | |
| 388 } | |
| 389 | |
| 390 static int | |
| 738 | 391 infinity_light_calc(int color,float normal_x, float normal_y, |
| 392 float normal_z, SchedTask *smanager, int x, int y, float z, | |
| 393 int world_x, int world_y, float world_z) | |
| 394 | |
| 539 | 395 { |
| 765 | 396 |
| 397 | |
| 539 | 398 unsigned char rgb[4]; |
| 399 int light_rgb; | |
| 400 float normal_vector[4] = {normal_x,normal_y,normal_z,0}; | |
| 765 | 401 float light_vector[4]; |
| 402 float *light_xyz = (float*)smanager->global_get(Light); | |
| 403 | |
| 404 normalize(normal_vector, normal_vector); | |
| 539 | 405 |
| 406 // 引数で受け取った color の rgb 情報の抜き出し | |
| 623 | 407 #if LITTLEENDIAN |
| 539 | 408 rgb[0] = (color & 0xff000000) >> 24; |
| 409 rgb[1] = (color & 0x00ff0000) >> 16; | |
| 410 rgb[2] = (color & 0x0000ff00) >> 8; | |
| 411 rgb[3] = (color & 0x000000ff); | |
| 619 | 412 #else |
| 413 rgb[3] = (color & 0xff000000) >> 24; | |
| 414 rgb[2] = (color & 0x00ff0000) >> 16; | |
| 415 rgb[1] = (color & 0x0000ff00) >> 8; | |
| 416 rgb[0] = (color & 0x000000ff); | |
| 417 #endif | |
| 539 | 418 |
| 765 | 419 int tmp_rgb[3] = {0,0,0}; |
| 420 int light_num = 4; | |
| 1144 | 421 float inner_product = 0.2; // 0.2 は環境光ってことにしてみた。 |
| 765 | 422 for (int i = 0; i < light_num; i++) { |
| 423 | |
| 424 light_vector[0] = world_x - light_xyz[i*4]; | |
| 425 light_vector[1] = world_y - light_xyz[i*4+1]; | |
| 426 light_vector[2] = light_xyz[i*4+2] - world_z; | |
| 427 light_vector[3] = light_xyz[i*4+3]; | |
| 428 | |
| 429 normalize(light_vector, light_vector); | |
| 430 | |
| 1144 | 431 float tmp_inner_product = 0; |
| 432 | |
| 765 | 433 // 法線ベクトルと光源ベクトルとの内積をとる |
| 1144 | 434 tmp_inner_product = innerProduct1(normal_vector,light_vector); |
| 539 | 435 |
| 765 | 436 // 内積がマイナスの場合は色がない。 |
| 1144 | 437 if (inner_product < tmp_inner_product) { |
| 438 inner_product = tmp_inner_product; | |
| 439 } | |
| 765 | 440 |
| 441 // 内積を rgb にかけていく | |
| 845 | 442 |
| 1144 | 443 tmp_rgb[0] = (unsigned char)(rgb[0]*inner_product); |
| 444 tmp_rgb[1] = (unsigned char)(rgb[1]*inner_product); | |
| 445 tmp_rgb[2] = (unsigned char)(rgb[2]*inner_product); | |
| 765 | 446 |
| 447 } | |
| 448 | |
| 449 int rgb_flag[3]; | |
| 450 for (int i = 0; i < 3; i++) { | |
| 451 rgb_flag[i] = (tmp_rgb[i] > 255); | |
| 452 } | |
| 453 | |
| 454 rgb[0] = tmp_rgb[0]*(1 - rgb_flag[0]) + 255*(rgb_flag[0]); | |
| 455 rgb[1] = tmp_rgb[1]*(1 - rgb_flag[1]) + 255*(rgb_flag[1]); | |
| 456 rgb[2] = tmp_rgb[2]*(1 - rgb_flag[2]) + 255*(rgb_flag[2]); | |
| 457 | |
| 539 | 458 |
| 459 //計算した rgb を light_rgb にまとめる。 | |
| 623 | 460 #if LITTLEENDIAN |
| 539 | 461 light_rgb = (rgb[0] << 24) + (rgb[1] << 16) + (rgb[2] << 8) + (rgb[3]); |
| 619 | 462 #else |
| 463 light_rgb = (rgb[3] << 24) + (rgb[2] << 16) + (rgb[1] << 8) + (rgb[0]); | |
| 464 #endif | |
| 539 | 465 |
| 466 return light_rgb; | |
| 765 | 467 |
| 539 | 468 } |
| 469 | |
| 470 | |
| 471 static int | |
| 472 run(SchedTask *smanager, void *rbuf, void *wbuf) | |
| 473 { | |
| 838 | 474 |
| 845 | 475 //get_param(5) is spack->info.size |
| 846 | 476 if ((long)smanager->get_param(5) == 0) { |
| 838 | 477 |
| 478 int rangex_start = (long)smanager->get_param(2); | |
| 479 int rangex_end = (long)smanager->get_param(3); | |
| 480 | |
| 481 int rangex = rangex_end - rangex_start + 1; | |
| 482 int rangey = (long)smanager->get_param(4); | |
| 483 | |
| 914 | 484 for(int h = 0; h < rangey; h++) { |
| 485 int *buf = (int*)smanager->get_output(h); | |
| 486 for (int i = 0; i < rangex; i++) { | |
| 487 buf[i] = 0; | |
| 488 } | |
| 489 } | |
| 838 | 490 |
| 491 return 0; | |
| 492 | |
| 493 } | |
| 494 | |
| 495 | |
| 623 | 496 G g0; |
| 497 Gptr g = &g0; | |
| 539 | 498 |
| 499 SpanPackPtr spack = (SpanPackPtr)smanager->get_input(0); | |
| 500 SpanPackPtr next_spack = (SpanPackPtr)smanager->allocate(sizeof(SpanPack)); | |
| 501 SpanPackPtr free_spack = next_spack; // next_spack の free() 用 | |
| 502 Span *span; | |
| 503 | |
| 504 Span nop_span; | |
| 505 nop_span.length_x = 1; | |
| 506 | |
| 738 | 507 // uint32 display = (long)smanager->get_param(0); |
| 508 // int screen_width = (long)smanager->get_param(1); | |
|
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509 int rangex_start = (long)smanager->get_param(2); |
|
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510 int rangex_end = (long)smanager->get_param(3); |
| 539 | 511 |
| 512 // このタスクが担当する x の範囲 | |
| 513 int rangex = rangex_end - rangex_start + 1; | |
| 514 | |
| 515 // y の範囲 | |
|
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516 int rangey = (long)smanager->get_param(4); |
| 539 | 517 g->tileList = (TileListPtr)smanager->global_get(GLOBAL_TILE_LIST); |
| 518 | |
| 519 g->zRow = zRow_init(smanager, rangex, rangey); | |
| 520 g->linebuf = linebuf_init(smanager, rangex, rangey, 0); | |
| 521 | |
| 522 int tl_tag[2] = {TEX_LOAD1, TEX_LOAD2}; | |
| 523 int tl_tag_flg1 = 0; | |
| 524 int tl_tag_flg2 = 1; | |
| 525 | |
| 526 do { | |
| 527 /** | |
| 528 * SpanPack->next が存在する場合、 | |
| 529 * 現在の SpanPack を処理してる間に | |
| 530 * 次の SpanPack の DMA 転送を行う | |
| 531 */ | |
| 532 if (spack->next != NULL) { | |
|
603
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533 smanager->dma_load(next_spack, (memaddr)spack->next, |
| 539 | 534 sizeof(SpanPack), SPAN_PACK_LOAD); |
| 535 } else { | |
| 536 next_spack = NULL; | |
| 537 } | |
| 538 | |
| 539 SpanPtr resume_span = &nop_span; | |
| 540 | |
| 541 for (int t = 0; t < spack->info.size; t++) { | |
| 542 SpanPtr next_span; | |
| 543 | |
| 544 span = &spack->span[t]; | |
| 545 | |
|
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546 if (span->length_x != 1) { |
| 845 | 547 drawLine1( |
| 548 smanager, g, | |
| 549 span, rangex_start, rangex_end, tl_tag[tl_tag_flg1]); | |
|
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550 } else { |
| 845 | 551 drawDot1( |
| 552 smanager, g, | |
| 553 span, rangex_start, rangex_end, tl_tag[tl_tag_flg1]); | |
|
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554 } |
| 539 | 555 next_span = span; |
| 556 | |
| 557 resume_span = next_span; | |
| 558 | |
| 559 tl_tag_flg1 ^= 1; | |
| 560 tl_tag_flg2 ^= 1; | |
| 561 } | |
| 562 | |
| 563 smanager->dma_wait(SPAN_PACK_LOAD); | |
| 564 | |
| 565 SpanPackPtr tmp_spack = spack; | |
| 566 spack = next_spack; | |
| 567 next_spack = tmp_spack; | |
| 568 } while (spack); | |
| 569 | |
| 570 | |
| 571 free(g->zRow); | |
|
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572 free(g->linebuf); |
| 539 | 573 |
| 574 //FINISH: | |
| 575 /** | |
| 576 * goto FINISH; の時は reboot なので | |
| 577 * linebuf, zRow は free() しない | |
| 578 */ | |
| 579 | |
| 580 free(free_spack); | |
| 581 | |
| 582 | |
| 583 return 0; | |
| 584 } | |
| 585 | |
| 586 /* end */ |