Mercurial > hg > Game > Cerium
annotate Renderer/Engine/Tapestry.h @ 1687:81bb9b2f35ca draft
change filename
| author | Shohei KOKUBO |
|---|---|
| date | Tue, 13 Aug 2013 01:57:13 +0900 |
| parents | d8b5648668bb |
| children |
| rev | line source |
|---|---|
| 283 | 1 #ifndef INCLUDED_TAPESTRY |
| 2 #define INCLUDED_TAPESTRY | |
| 3 | |
| 539 | 4 #include "types.h" |
| 5 #include "viewer_types.h" | |
| 6 #include "MemorySegment.h" | |
| 7 #include "MemList.h" | |
| 283 | 8 |
| 9 /** | |
| 10 * image file name と tapestry DB の binary tree | |
| 11 * | |
| 12 * // PPE | |
| 13 * main memory の tapestry DB (Array) | |
| 539 | 14 * tapestry DB への accessor |
| 283 | 15 * |
| 16 * TapestryPtr getTapestry(int TapestryID); | |
| 17 * TilePtr getTile(TapestryPtr tapsetry, int tx, int ty, int scale); | |
| 18 * | |
| 19 * SPE が生成する tapestry List (in CreateSpan) | |
| 20 * (no texture image) | |
| 21 * @in TapestryDBPtr, Tapestry ID, x, y, tx, ty, px, py | |
| 22 * x, y : polygon の中の平面座標 | |
| 23 * tx, ty : texture の座標 | |
| 24 * px, py : texture の分割数 | |
| 25 * | |
| 26 * @out (TilePtr, tix1, tiy1, tix2, tiy2)* | |
| 539 | 27 * |
| 283 | 28 * |
| 29 * SPE に渡す tapestry List | |
| 30 * @in Tile | |
| 31 * | |
| 32 * // SPE | |
| 33 * SPE 内部での tapestry DB (Hash) | |
| 34 * TapestryID, scale, TilePtr, Tile | |
| 35 * | |
| 36 * | |
| 37 * SPE 内部での tapestry DB への accessor | |
| 38 * TileEntryPtr getTile(int TapestryID, int tx, int ty, int scale); | |
| 39 * | |
| 40 * if (TileEntry == NULL) { | |
| 41 * DMA read | |
| 42 * } | |
| 539 | 43 * |
| 283 | 44 * |
| 45 * Rendering | |
| 46 * 1pass Zbuffer と Texture の有無の判定 | |
| 47 * if (zbuffer ok) { | |
| 48 * if (texture ある) { | |
| 49 * zbuffer 、linebunf に書き込む | |
| 50 * } else { | |
| 51 * texture の load list に加える | |
| 52 * zbuffer だけ更新しておく | |
| 53 * } | |
| 54 * } else { | |
| 55 * 無視 | |
| 56 * } | |
| 57 * | |
| 58 * 1pass で texture が一杯になったら、中断して | |
| 59 * ここまでのを書き込んどけ | |
| 60 * | |
| 61 * | |
| 62 * 2pass rgb の書き込み | |
| 63 * | |
| 64 * if (zbuffer の値が自分と一緒) { | |
| 65 * read した texture みて | |
| 66 * 書き込め！ | |
| 67 * } | |
| 68 * | |
| 69 */ | |
| 70 struct texture_block { | |
| 539 | 71 |
| 283 | 72 }; |
| 73 | |
| 539 | 74 typedef MemorySegment Tile, *TilePtr; |
| 283 | 75 |
| 1167 | 76 #define MAX_TILE 64 |
| 283 | 77 |
| 1162 | 78 |
| 283 | 79 /** |
| 80 * TileList 中の Tile の追い出しは、現在 FIFO で実装している | |
| 539 | 81 * これは汎用のサイズ別 freelist に置き換える |
| 82 * freelist は double linked list で、LRU をサポートする | |
| 83 */ | |
| 84 class TileList : public MemList { | |
| 85 TileList(MemorySegment* ms) : MemList(ms) {} | |
| 86 | |
| 87 /*! | |
| 88 中身は同じ | |
| 283 | 89 */ |
| 539 | 90 }; |
| 283 | 91 |
|
1161
cc1a50cac83d
use MemorySegment API for pp load. do not check execution of the cell side. to be continued..
Yutaka_Kinjyo
parents:
606
diff
changeset
|
92 |
| 283 | 93 typedef TileList* TileListPtr; |
| 94 | |
| 95 #endif |