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annotate Renderer/Engine/task/Draw.cc @ 1013:34a9ba655fbe

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spe/CreatePolygonFromSceneGraph add. not done.
author tkaito
date Fri, 05 Nov 2010 01:05:39 +0900
parents f525427ae30f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //#include "RunDraw.h"
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2 #include "SchedTask.h"
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3
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4 SchedDefineTask(Draw);
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5
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6 static int
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7 run(SchedTask *smanager, void *rbuf, void *wbuf)
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8 {
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9 #if 0
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10 PolygonPack *pp = (PolygonPack*)smanager->get_input(rbuf, 0);
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11 PolygonPack *next_pp =
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12 (PolygonPack*)smanager->allocate(sizeof(PolygonPack));
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13 PolygonPack *free_pp = next_pp;
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14 PolygonPack *tmp_pp;
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15
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16 TrianglePackPtr triPack;
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17 VertexPackPtr vMin, vMid, vMax;
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18 VertexPackPtr vMid10
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19 = (VertexPackPtr)smanager->allocate(sizeof(VertexPack));
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20 NormalPackPtr normal1,normal2, normal3;
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21 SpanPackPtr *spackList = (SpanPackPtr*)smanager->get_input(rbuf, 1);
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22 spack = (SpanPackPtr)smanager->get_input(rbuf, 2);
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23 send_spack = (SpanPackPtr)smanager->allocate(sizeof(SpanPack));
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24 prev_index = (long)smanager->get_param(0);
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25
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26 // spack と send_spack は swap しながら DMA を繰り返すので
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27 // 自分で allocate した send_spack を覚えてないといけない
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28 SpanPackPtr free_spack = send_spack;
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29
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30 int charge_y_top = (long)smanager->get_param(1);
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31 int charge_y_end = (long)smanager->get_param(2);
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32
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33 do {
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34 if (pp->next != NULL) {
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35 smanager->dma_load(next_pp, (memaddr)pp->next,
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36 sizeof(PolygonPack), POLYGON_PACK_LOAD);
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37 } else {
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38 next_pp = NULL;
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39 }
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40
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41 for (int i = 0; i < pp->info.size; i++) {
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42 triPack = &pp->tri[i];
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43
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44 TriangleTexInfoPtr tri_tex_info = &triPack->tex_info;
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45
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46 make_vertex(triPack, &vMin, &vMid, &vMax, &normal1, &normal2, &normal3);
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47 make_vMid10(vMid10, vMin, vMid, vMax);
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48
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49 /**
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50 * ポリゴンを、x軸に水平に分割して二つの三角形を作り、
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51 * それぞれから Span を求める
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52 *
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53 * vMax
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54 * |\
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55 * | \
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56 * | \
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57 * | \
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58 * vMid10 ------ vMid
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59 * | /
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60 * | /
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61 * | /
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62 * |/
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63 * vMin
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64 *
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65 * (vMax, vMid, vMin) という triangle を
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66 * (vMax, vMid, vMid10) (vMin, vMid, vMid10) という
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67 * 二つの Triangle に分けている
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68 */
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69 half_triangle(smanager, spackList, charge_y_top, charge_y_end,
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70 tri_tex_info, vMin, vMid, vMid10,
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71 normal1,normal2,normal3,
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72 (int)(vMax->y - vMin->y), vMax->tex_y - vMin->tex_y);
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73 half_triangle(smanager, spackList, charge_y_top, charge_y_end,
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74 tri_tex_info, vMax, vMid, vMid10,
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75 normal1,normal2,normal3,
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76 (int)(vMax->y - vMin->y), vMax->tex_y - vMin->tex_y);
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77 }
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78
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79 smanager->dma_wait(POLYGON_PACK_LOAD);
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80
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81 tmp_pp = pp;
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82 pp = next_pp;
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83 next_pp = tmp_pp;
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84 } while (pp);
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85
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86 smanager->dma_wait(SPAN_PACK_STORE);
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87 smanager->dma_store(spack, (memaddr)spackList[prev_index],
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88 sizeof(SpanPack), SPAN_PACK_STORE);
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89 smanager->dma_wait(SPAN_PACK_STORE);
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90
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91 free(free_pp);
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92 free(free_spack);
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93 free(vMid10);
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94 #endif
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95 return 0;
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96 }