Mercurial > hg > Members > kono > Cerium
annotate Renderer/Engine/task/DrawSpan.cc @ 766:984e6aa17174
task/DrawSpan fix
| author | yutaka@henri.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Wed, 10 Feb 2010 19:43:57 +0900 |
| parents | b7376415fa5f |
| children | 496a8159e840 |
| 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" | |
| 8 #include "sys.h" | |
| 9 #include "global_alloc.h" | |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
10 #include "SchedTask.h" |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
11 #include "Tapestry.h" |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
12 #include "SpanPack.h" |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
13 |
| 623 | 14 #if (__LITTLE_ENDIAN__) |
| 15 #define LITTLEENDIAN 1 | |
| 16 #else | |
| 17 #define LITTLEENDIAN 0 | |
| 18 #endif | |
| 507 | 19 |
| 20 SchedDefineTask(DrawSpan); | |
| 21 | |
| 22 #define TEX_LOAD1 0 | |
| 23 #define TEX_LOAD2 1 | |
| 24 #define SPAN_PACK_LOAD 2 | |
| 25 #define FB_STORE 3 | |
| 26 | |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
27 typedef struct { |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
28 int **linebuf; |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
29 float *zRow; |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
30 TileListPtr tileList; |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
31 int doneWrite; |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
32 } G, *Gptr; |
|
603
42c94f85c779
long -> memaddr (64 or 32)
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
602
diff
changeset
|
33 |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
34 static int** linebuf_init(SchedTask *smanager, int width, int height, int rgb); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
35 static float* zRow_init(SchedTask *smanager, int width, int height); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
36 // static TilePtr set_rgb(memaddr addr, int wait_tag); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
37 // static void set_rgbs(memaddr addr, uint32 *max_addr, int wait_tag); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
38 static uint32 get_rgb(int tx, int ty, TilePtr tile); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
39 // static TilePtr isAvailableTile(memaddr addr); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
40 static memaddr getTile(int tx, int ty, int tw, memaddr tex_addr_top); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
41 static int getTexBlock(int tx, int ty, int twidth); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
42 |
| 748 | 43 static void updateBuffer(Gptr g, float zpos, int rangex, int loaclx, int localy, |
| 44 int tex_x, int tex_y, float normal_x, float nomral_x, float normal_z, | |
| 45 TilePtr tile, int world_x, int world_y, float world_z,SchedTask *smanager); | |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
46 |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
47 // static void reboot(SpanPackPtr spack, int cur_span_x); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
48 |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
49 static int drawDot1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
50 //static void drawDot2(SchedTask *smanager, SpanPtr span, int startx, int endx, int js, int wait_tag); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
51 static int drawLine1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
52 // static void drawLine2(SchedTask *smanager, SpanPtr span, int startx, int endx, int js, int wait_tag); |
| 748 | 53 |
| 54 static int infinity_light_calc(int color,float normal_x, float normal_y, float normal_z, | |
| 55 SchedTask *smanager,int x, int y, float z, int world_x, int world_y, float world_z); | |
| 56 | |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
57 |
| 621 | 58 static float |
| 59 innerProduct1(float *v0, float *v1) | |
| 60 { | |
| 61 return (v0[0]*v1[0] + v0[1]*v1[1] + v0[2]*v1[2]); | |
| 62 } | |
| 63 | |
| 507 | 64 |
| 65 /** | |
| 66 * テクスチャは、TEXTURE_SPLIT_PIXEL^2 のブロックに分割する | |
| 67 * | |
| 68 * +---+---+---+---+---+---+ | |
| 69 * | 0 | 1 | 2 | 3 | 4 | 5 | | |
| 70 * +---+---+---+---+---+---+ | |
| 71 * | | | | | |11 | | |
| 72 * +---+---+---+---+---+---+ | |
| 73 * | | | | | |17 | | |
| 74 * +---+---+---+---+---+---+ | |
| 75 * | | | | | |23 | | |
| 76 * +---+---+---+---+---+---+ | |
| 77 * | | | | | |29 | | |
| 78 * +---+---+---+---+---+---+ | |
| 79 * | | | | | |35 | | |
| 80 * +---+---+---+---+---+---+ | |
| 81 * | |
| 82 * 一辺を TEXTURE_SPLIT とする | |
| 83 * 各ブロックの数字がブロックIDとなる。 | |
| 84 */ | |
| 85 | |
| 86 /** | |
| 87 * テクスチャの座標から、 | |
| 88 * テクスチャのどのブロックかを求める | |
| 89 * | |
| 90 * @param[in] tx X coordinates of texture | |
| 91 * @param[in] tx Y coordinates of texture | |
| 92 * @param[in] twidth Width of texture | |
| 93 * @return block ID | |
| 94 */ | |
| 95 static int | |
| 96 getTexBlock(int tx, int ty, int twidth) | |
| 97 { | |
| 98 int blockX, blockY; | |
| 99 | |
| 100 blockX = tx / TEXTURE_SPLIT_PIXEL; | |
| 101 blockY = ty / TEXTURE_SPLIT_PIXEL; | |
| 102 | |
| 103 return blockX + (twidth/TEXTURE_SPLIT_PIXEL)*blockY; | |
| 104 } | |
| 105 | |
| 106 /** | |
| 107 * block ID と、テクスチャの TOP address から | |
| 108 * (tx,ty) で使われるテクスチャの Tile addres を求める | |
| 109 * | |
| 110 * @param[in] tx X coordinates of texture | |
| 111 * @param[in] tx Y coordinates of texture | |
| 112 * @param[in] tw Width of texture | |
| 113 * @param[in] tex_addr_top (tx,ty) で使うテクスチャの先頭address | |
| 114 * @return block ID | |
| 115 */ | |
| 116 static memaddr | |
| 117 getTile(int tx, int ty, int tw, memaddr tex_addr_top) | |
| 118 { | |
| 119 int block = getTexBlock(tx, ty, tw); | |
| 120 return tex_addr_top + block * TEXTURE_BLOCK_SIZE * sizeof(uint32); | |
| 121 } | |
| 122 | |
| 123 /** | |
| 124 * FrameBuffer に書き込む rgb の領域初期化 | |
| 125 * | |
| 126 * @param width Width of Buffer | |
| 127 * @param height Height of Buffer | |
| 128 * @param rgb Initial value of RGB at Buffer | |
| 129 * @return Buffer | |
| 130 */ | |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
131 static int ** |
| 507 | 132 linebuf_init(SchedTask *smanager, int width, int height, int rgb) |
| 133 { | |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
134 int **linebuf = (int**)smanager->allocate(height*sizeof(int*)); |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
135 for(int h = 0;h<height;h++) { |
|
616
f21603a335aa
Rendering not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
615
diff
changeset
|
136 int *buf = linebuf[h] = (int*)smanager->get_output(h); |
|
f21603a335aa
Rendering not yet worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
615
diff
changeset
|
137 for (int i = 0; i < width; i++) { |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
138 buf[i] = rgb; |
|
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
139 } |
| 507 | 140 } |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
141 return linebuf; |
| 507 | 142 } |
| 143 | |
| 144 /** | |
| 145 * Z-Buffer の初期化 | |
| 146 * | |
| 147 * @param width Width of Z-Buffer | |
| 148 * @param height Height of Z-Buffer | |
| 149 * @return Z-Buffer | |
| 150 */ | |
| 151 static float* | |
| 152 zRow_init(SchedTask *smanager, int width, int height) | |
| 153 { | |
| 154 float *buf = (float*)smanager->allocate(sizeof(float)*width*height); | |
| 155 float def = 65535.0f; | |
| 156 | |
| 157 for (int i = 0; i < width*height; i++) { | |
| 158 buf[i] = def; | |
| 159 } | |
| 160 | |
| 161 return buf; | |
| 162 } | |
| 163 | |
| 164 | |
| 165 static uint32 | |
| 166 get_rgb(int tx, int ty, TilePtr tile) | |
| 167 { | |
| 168 uint32 *data = (uint32 *)tile->data; | |
| 169 return data[(TEXTURE_SPLIT_PIXEL)*ty+tx]; | |
| 170 } | |
| 171 | |
| 172 | |
| 173 | |
| 174 /** | |
| 175 * zRow と Linebuf を更新する | |
| 176 * | |
| 177 * @param zpos 更新する pixel のZ座標 | |
| 178 * @param rangex このタスクが処理する描画領域の x の長さ | |
| 179 * @param x pixel の、描画領域内での x 座標 | |
| 180 * @param y 〃 の、y 座標 | |
| 181 * @param tex_x pixel が使用するテクスチャの、Tile (8x8) 内での x 座標 | |
| 182 * @param tex_y 〃 の y 座標 | |
| 183 * @param tex_addr テクスチャのアドレス(MainMemory) | |
| 184 */ | |
| 185 static void | |
| 748 | 186 updateBuffer(Gptr g, float zpos, int rangex, int localx, int localy, int tex_x, int tex_y, |
| 187 float normal_x, float normal_y, float normal_z, TilePtr tile, | |
| 188 int world_x, int world_y, float world_z, SchedTask *smanager) | |
| 507 | 189 { |
| 190 | |
| 191 int color = get_rgb(tex_x, tex_y, tile); | |
| 192 /*下位4bitを抽出*/ | |
| 623 | 193 #if LITTLEENDIAN |
| 599 | 194 int alpha = color & 0x000000ff; |
| 619 | 195 #else |
| 196 int alpha = color & 0xff000000; | |
| 197 #endif | |
| 507 | 198 /*完全に透けているか判断*/ |
| 199 int flag = (alpha != 0); | |
| 200 | |
| 748 | 201 color = infinity_light_calc(color,normal_x,normal_y,normal_z, |
| 202 smanager,localx,localy,zpos, | |
| 203 world_x,world_y,world_z); | |
| 507 | 204 |
| 748 | 205 g->zRow[localx + (rangex*localy)] = zpos*flag + g->zRow[localx + (rangex*localy)]*(1-flag); |
| 206 int *point = &g->linebuf[localy][localx] ; | |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
207 *point = color*flag + *point *(1-flag); |
| 507 | 208 |
| 748 | 209 |
| 210 | |
| 507 | 211 } |
| 212 | |
| 213 /** | |
| 214 * 長さが 1 の Span の描画 (要するに 1 pixel) | |
| 215 * | |
| 216 * @param span Span | |
| 217 * @param startx 描画開始範囲 | |
| 218 * @param endx 描画終了範囲 | |
| 219 */ | |
| 220 static int | |
| 221 drawDot1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag) | |
| 222 { | |
| 223 int rangex = endx - startx + 1; | |
| 224 | |
| 225 float normal_x = span->normal_x; | |
| 226 float normal_y = span->normal_y; | |
| 227 float normal_z = span->normal_z; | |
| 228 | |
| 229 | |
| 230 /* span->x に対応する Texture の座標 (tex_xpos, tex_ypos) */ | |
| 231 int tex_xpos, tex_ypos; | |
| 232 | |
| 233 // span の始点に対応する Texture の座標 (tex1, tey1) | |
| 234 float tex = span->tex_x1; | |
| 235 float tey = span->tex_y1; | |
| 236 | |
| 237 // span の始点に対応する z 座標 | |
| 238 float zpos = span->start_z; | |
| 239 | |
| 240 /* Tile 内での座標 */ | |
| 241 int localx = getLocalX(span->x-1); | |
| 242 int localy = getLocalY(span->y-1); | |
| 243 | |
| 244 /** | |
| 245 * (tex_xpos, tex_ypos) の、Tile 内(上の図参照)での座標と | |
| 246 * そのブロックのアドレス(MainMemory) | |
| 247 */ | |
| 248 int tex_localx; | |
| 249 int tex_localy; | |
| 250 memaddr tex_addr; | |
| 251 | |
| 252 if (span->x < startx || endx < span->x) { | |
| 253 return -1; | |
| 254 } | |
| 255 | |
| 256 tex_xpos = (int)((span->tex_width-1) * tex); | |
| 257 tex_ypos = (int)((span->tex_height-1) * tey); | |
| 258 | |
| 259 if (zpos < g->zRow[localx + (rangex*localy)]) { | |
| 260 tex_addr = getTile(tex_xpos, tex_ypos, | |
| 261 span->tex_width, (memaddr)span->tex_addr); | |
| 262 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL; | |
| 263 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL; | |
| 264 | |
| 265 TilePtr tile = smanager->get_segment(tex_addr,g->tileList); | |
| 266 smanager->wait_segment(tile); | |
| 267 | |
| 268 updateBuffer(g, zpos, rangex, localx, localy, | |
| 269 tex_localx, tex_localy, | |
| 748 | 270 normal_x,normal_y,normal_z,tile, |
| 271 span->x, span->y, zpos, smanager); | |
| 507 | 272 } |
| 273 | |
| 274 return -1; | |
| 275 } | |
| 276 | |
| 277 #if 0 | |
| 278 static void | |
| 279 drawDot2(SchedTask *smanager, SpanPtr span, int startx, int end, int js, int wait_tag) | |
| 280 { | |
| 281 //printf("%d\n", js); | |
| 282 } | |
| 283 #endif | |
| 284 | |
| 285 /** | |
| 286 * 長さが 1 より大きい Span の描画 | |
| 287 * | |
| 288 * 本来の目的として、この関数(drawLine1) では | |
| 289 * : 既に SPE 上に Tile のある pixel だけ描画 | |
| 290 * : それ以外は、ここで予め DMA load しておき、 | |
| 291 * : drawLine2 で一気に描画する | |
| 292 * 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 | |
| 293 * 今は drawLine1 で load -> wait -> rendering を全部やってます | |
| 294 * (rendering といっても、rendering buffer に書き込むだけで | |
| 295 * まだ main memory (frame buffer) に dma store してるわけではない) | |
| 296 * | |
| 297 * @param span Span | |
| 298 * @param startx 描画開始範囲 | |
| 299 * @param endx 描画終了範囲 | |
| 300 * @return 「span のどの位置まで rendering が終わったか」の x 座標 | |
| 301 */ | |
| 302 static int | |
| 303 drawLine1(SchedTask *smanager, Gptr g, SpanPtr span, int startx, int endx, int wait_tag) | |
| 304 { | |
| 305 int x = span->x; | |
| 306 int rangex = endx - startx + 1; | |
| 307 int x_len = span->length_x; | |
| 308 | |
| 309 float normal_x = span->normal_x; | |
| 310 float normal_y = span->normal_y; | |
| 311 float normal_z = span->normal_z; | |
| 312 | |
| 313 | |
| 314 int js = (x < startx) ? startx - x : 0; | |
| 315 int je = (x + x_len > endx) ? endx - x : x_len; | |
| 316 | |
| 317 /* span->x に対応する Texture の座標 (tex_xpos, tex_ypos) */ | |
| 318 int tex_xpos, tex_ypos; | |
| 319 | |
| 320 // span の始点に対応する座標 (tex1, tey1) | |
| 321 float tex1 = span->tex_x1; | |
| 322 float tey1 = span->tex_y1; | |
| 323 | |
| 324 // span の終点に対応する座標 (tex2, tey2) | |
| 325 float tex2 = span->tex_x2; | |
| 326 float tey2 = span->tex_y2; | |
| 327 | |
| 328 // span の始点、終点に対応する z 座標 | |
| 329 float zpos1 = span->start_z; | |
| 330 float zpos2 = span->end_z; | |
| 331 | |
| 748 | 332 //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。 |
| 333 float z_inclination = (zpos1 - zpos2) / x_len; | |
| 334 float world_z = zpos2; | |
| 335 | |
| 507 | 336 // Tile 内での座標 |
| 337 int localx, localy = getLocalY(span->y-1); | |
| 338 | |
| 339 int ret = je+1; | |
| 340 | |
| 341 //for (int j = js; j <= je; j++) { | |
| 342 for (int j = je; j >= js; j--) { | |
| 343 float tex_x, tex_y, tex_z; | |
| 344 | |
| 748 | 345 world_z += z_inclination; |
| 346 | |
| 507 | 347 localx = getLocalX(x-1+j); |
| 348 | |
| 349 tex_z = zpos1*(x_len-1-j)/(x_len-1) + zpos2*j/(x_len-1); | |
| 350 | |
| 351 tex_x = tex1*(x_len-1-j)/(x_len-1) + tex2*j/(x_len-1); | |
| 352 tex_y = tey1*(x_len-1-j)/(x_len-1) + tey2*j/(x_len-1); | |
| 353 if (tex_x > 1) tex_x = 1; | |
| 354 if (tex_x < 0) tex_x = 0; | |
| 355 if (tex_y > 1) tex_y = 1; | |
| 356 if (tex_y < 0) tex_y = 0; | |
| 357 tex_xpos = (int)((span->tex_width-1) * tex_x); | |
| 358 tex_ypos = (int)((span->tex_height-1) * tex_y); | |
| 359 | |
| 360 if (tex_z < g->zRow[localx + (rangex*localy)]) { | |
| 361 // (tex_xpos, tex_ypos) の、Tile 内(上の図参照)での座標と | |
| 362 // そのブロックのアドレス(MainMemory) | |
| 363 memaddr tex_addr; | |
| 364 int tex_localx; | |
| 365 int tex_localy; | |
| 366 | |
| 367 tex_addr = getTile(tex_xpos, tex_ypos, | |
| 368 span->tex_width, (memaddr)span->tex_addr); | |
| 369 tex_localx = tex_xpos % TEXTURE_SPLIT_PIXEL; | |
| 370 tex_localy = tex_ypos % TEXTURE_SPLIT_PIXEL; | |
| 371 TilePtr tile = smanager->get_segment(tex_addr,g->tileList); | |
| 372 smanager->wait_segment(tile); | |
| 373 | |
| 374 updateBuffer(g, tex_z, rangex, localx, localy, | |
| 375 tex_localx, tex_localy, | |
| 748 | 376 normal_x, normal_y, normal_z, tile, |
| 377 span->x+j, span->y, world_z, smanager); | |
| 507 | 378 } |
| 379 } | |
| 380 | |
| 381 return ret; | |
| 382 } | |
| 383 | |
| 384 static int | |
| 748 | 385 infinity_light_calc(int color,float normal_x, float normal_y, |
| 386 float normal_z, SchedTask *smanager, int x, int y, float z, | |
| 387 int world_x, int world_y, float world_z) | |
| 388 | |
| 507 | 389 { |
| 766 | 390 |
| 391 | |
| 507 | 392 unsigned char rgb[4]; |
| 393 int light_rgb; | |
| 394 int flag; | |
| 395 float normal_vector[4] = {normal_x,normal_y,normal_z,0}; | |
| 766 | 396 float light_vector[4]; |
| 507 | 397 float inner_product; |
| 766 | 398 float *light_xyz = (float*)smanager->global_get(Light); |
| 399 | |
| 400 normalize(normal_vector, normal_vector); | |
| 507 | 401 |
| 402 // 引数で受け取った color の rgb 情報の抜き出し | |
| 623 | 403 #if LITTLEENDIAN |
| 507 | 404 rgb[0] = (color & 0xff000000) >> 24; |
| 405 rgb[1] = (color & 0x00ff0000) >> 16; | |
| 406 rgb[2] = (color & 0x0000ff00) >> 8; | |
| 407 rgb[3] = (color & 0x000000ff); | |
| 619 | 408 #else |
| 409 rgb[3] = (color & 0xff000000) >> 24; | |
| 410 rgb[2] = (color & 0x00ff0000) >> 16; | |
| 411 rgb[1] = (color & 0x0000ff00) >> 8; | |
| 412 rgb[0] = (color & 0x000000ff); | |
| 413 #endif | |
| 507 | 414 |
| 766 | 415 int tmp_rgb[3] = {0,0,0}; |
| 416 int light_num = 4; | |
| 417 for (int i = 0; i < light_num; i++) { | |
| 418 | |
| 419 light_vector[0] = world_x - light_xyz[i*4]; | |
| 420 light_vector[1] = world_y - light_xyz[i*4+1]; | |
| 421 light_vector[2] = light_xyz[i*4+2] - world_z; | |
| 422 light_vector[3] = light_xyz[i*4+3]; | |
| 423 | |
| 424 normalize(light_vector, light_vector); | |
| 425 | |
| 426 // 法線ベクトルと光源ベクトルとの内積をとる | |
| 427 inner_product = innerProduct1(normal_vector,light_vector); | |
| 428 | |
| 429 //printf("inner_product %f\n",inner_product); | |
| 507 | 430 |
| 766 | 431 // 内積がマイナスの場合は色がない。 |
| 432 flag = (inner_product > 0); | |
| 433 | |
| 434 // 内積を rgb にかけていく | |
| 435 tmp_rgb[0] += (unsigned char)(rgb[0]*inner_product*flag); | |
| 436 tmp_rgb[1] += (unsigned char)(rgb[1]*inner_product*flag); | |
| 437 tmp_rgb[2] += (unsigned char)(rgb[2]*inner_product*flag); | |
| 438 | |
| 439 } | |
| 440 | |
| 441 int rgb_flag[3]; | |
| 442 for (int i = 0; i < 3; i++) { | |
| 443 rgb_flag[i] = (tmp_rgb[i] > 255); | |
| 444 } | |
| 445 | |
| 446 rgb[0] = tmp_rgb[0]*(1 - rgb_flag[0]) + 255*(rgb_flag[0]); | |
| 447 rgb[1] = tmp_rgb[1]*(1 - rgb_flag[1]) + 255*(rgb_flag[1]); | |
| 448 rgb[2] = tmp_rgb[2]*(1 - rgb_flag[2]) + 255*(rgb_flag[2]); | |
| 449 | |
| 507 | 450 |
| 451 //計算した rgb を light_rgb にまとめる。 | |
| 623 | 452 #if LITTLEENDIAN |
| 507 | 453 light_rgb = (rgb[0] << 24) + (rgb[1] << 16) + (rgb[2] << 8) + (rgb[3]); |
| 619 | 454 #else |
| 455 light_rgb = (rgb[3] << 24) + (rgb[2] << 16) + (rgb[1] << 8) + (rgb[0]); | |
| 456 #endif | |
| 507 | 457 |
| 458 return light_rgb; | |
| 766 | 459 |
| 507 | 460 } |
| 461 | |
| 462 | |
| 463 static int | |
| 464 run(SchedTask *smanager, void *rbuf, void *wbuf) | |
| 465 { | |
| 623 | 466 G g0; |
| 467 Gptr g = &g0; | |
| 507 | 468 |
| 469 SpanPackPtr spack = (SpanPackPtr)smanager->get_input(0); | |
| 470 SpanPackPtr next_spack = (SpanPackPtr)smanager->allocate(sizeof(SpanPack)); | |
| 471 SpanPackPtr free_spack = next_spack; // next_spack の free() 用 | |
| 472 Span *span; | |
| 473 | |
| 474 Span nop_span; | |
| 475 nop_span.length_x = 1; | |
| 476 | |
| 748 | 477 // uint32 display = (long)smanager->get_param(0); |
| 478 // int screen_width = (long)smanager->get_param(1); | |
|
625
60aa3f241b10
64bit mode worked on Mac OS X.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
623
diff
changeset
|
479 int rangex_start = (long)smanager->get_param(2); |
|
60aa3f241b10
64bit mode worked on Mac OS X.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
623
diff
changeset
|
480 int rangex_end = (long)smanager->get_param(3); |
| 507 | 481 |
| 482 // このタスクが担当する x の範囲 | |
| 483 int rangex = rangex_end - rangex_start + 1; | |
| 484 | |
| 485 // y の範囲 | |
|
625
60aa3f241b10
64bit mode worked on Mac OS X.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
623
diff
changeset
|
486 int rangey = (long)smanager->get_param(4); |
| 507 | 487 g->tileList = (TileListPtr)smanager->global_get(GLOBAL_TILE_LIST); |
| 488 | |
| 489 g->zRow = zRow_init(smanager, rangex, rangey); | |
| 490 g->linebuf = linebuf_init(smanager, rangex, rangey, 0); | |
| 491 | |
| 492 int tl_tag[2] = {TEX_LOAD1, TEX_LOAD2}; | |
| 493 int tl_tag_flg1 = 0; | |
| 494 int tl_tag_flg2 = 1; | |
| 495 | |
| 496 do { | |
| 497 /** | |
| 498 * SpanPack->next が存在する場合、 | |
| 499 * 現在の SpanPack を処理してる間に | |
| 500 * 次の SpanPack の DMA 転送を行う | |
| 501 */ | |
| 502 if (spack->next != NULL) { | |
|
603
42c94f85c779
long -> memaddr (64 or 32)
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
602
diff
changeset
|
503 smanager->dma_load(next_spack, (memaddr)spack->next, |
| 507 | 504 sizeof(SpanPack), SPAN_PACK_LOAD); |
| 505 } else { | |
| 506 next_spack = NULL; | |
| 507 } | |
| 508 | |
| 509 SpanPtr resume_span = &nop_span; | |
| 510 | |
| 511 for (int t = 0; t < spack->info.size; t++) { | |
| 512 SpanPtr next_span; | |
| 513 | |
| 514 span = &spack->span[t]; | |
| 515 | |
|
622
6a5e88112ed9
remove non relocatable funcion call.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
621
diff
changeset
|
516 if (span->length_x != 1) { |
|
6a5e88112ed9
remove non relocatable funcion call.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
621
diff
changeset
|
517 drawLine1( |
| 507 | 518 smanager, g, |
| 519 span, rangex_start, rangex_end, tl_tag[tl_tag_flg1]); | |
|
622
6a5e88112ed9
remove non relocatable funcion call.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
621
diff
changeset
|
520 } else { |
|
6a5e88112ed9
remove non relocatable funcion call.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
621
diff
changeset
|
521 drawDot1( |
|
6a5e88112ed9
remove non relocatable funcion call.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
621
diff
changeset
|
522 smanager, g, |
|
6a5e88112ed9
remove non relocatable funcion call.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
621
diff
changeset
|
523 span, rangex_start, rangex_end, tl_tag[tl_tag_flg1]); |
|
6a5e88112ed9
remove non relocatable funcion call.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
621
diff
changeset
|
524 } |
| 507 | 525 next_span = span; |
| 526 | |
| 527 resume_span = next_span; | |
| 528 | |
| 529 tl_tag_flg1 ^= 1; | |
| 530 tl_tag_flg2 ^= 1; | |
| 531 } | |
| 532 | |
| 533 smanager->dma_wait(SPAN_PACK_LOAD); | |
| 534 | |
| 535 SpanPackPtr tmp_spack = spack; | |
| 536 spack = next_spack; | |
| 537 next_spack = tmp_spack; | |
| 538 } while (spack); | |
| 539 | |
| 540 | |
| 541 free(g->zRow); | |
|
615
f7d78b3c1106
First addOutput rendering try failed.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
614
diff
changeset
|
542 free(g->linebuf); |
| 507 | 543 |
| 544 //FINISH: | |
| 545 /** | |
| 546 * goto FINISH; の時は reboot なので | |
| 547 * linebuf, zRow は free() しない | |
| 548 */ | |
| 549 | |
| 550 free(free_spack); | |
| 551 | |
| 552 | |
| 553 return 0; | |
| 554 } | |
| 555 | |
| 556 /* end */ |