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comparison old/simple_pack/task/spu_draw.cpp @ 507:735f76483bb2

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Reorganization..
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 12 Oct 2009 09:39:35 +0900
parents TaskManager/Test/simple_pack/task/spu_draw.cpp@459f54b49648
children
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506:1d4a8a86f26b 507:735f76483bb2
1 #include <iostream>
2 #include "polygon_pack.h"
3 #include "span_pack.h"
4 #include "spu_span.h"
5 using namespace std;
6
7 #define PIXELSIZE 11520 //32 line pixel size
8
9 int linebuf[2][8][IMG_MAX_Y];
10
11
12
13 void linebuf_init(int j) {
14 int i;
15 for(int t= 0; t < 8; t++) {
16 for(i = 0; i < IMG_MAX_Y; i++) {
17 linebuf[j][t][i] = 0;
18 }
19 }
20 }
21 char *get_pixel(int tx, int ty, void *texture_image)
22 {
23 //return (char*)texture_image->pixels+(texture_image->format->BytesPerPixel*((texture_image->w)*ty+tx));
24 return (char*)texture_image+(3*((128)*ty+tx));
25 }
26
27 Uint32 Polygon::get_rgb(int tx, int ty, void *texture)
28 {
29 Uint8 red, green, blue;
30
31 if (tx<0) tx = 0;
32 if (128-1< tx) tx = 128-1 ;
33 if (ty<0) ty = 0;
34 if (128-1< ty) ty = 128-1 ;
35
36 char *p = get_pixel(tx,ty,texture);
37
38 blue = (Uint8) p[0];
39 green = (Uint8) p[1];
40 red = (Uint8) p[2];
41
42 SDL_PixelFormat pf;
43 pf.BitsPerPixel = 32;
44 pf.BytesPerPixel = 4;
45 alpha = 255;
46
47 return SDL_MapRGB(pf, red, green, blue);
48 }
49
50 void write_pixel(int x, int y, float z, Uint32 rgb)
51 {
52
53 }
54
55 void zRow_init() {
56 int i;
57 //printf("zRow_init?n");
58 for(int t = 0; t < 8; t++) {
59 for(i = 0; i < IMG_MAX_Y; i++) {
60 zRow[t][i] = 65535;
61 }
62 }
63 }
64
65 int spu_draw(SPUSPAN *ss, unsigned int fbdev_addr)
66 {
67 void *texture = new void[128*128*3];
68 long *addr = ss->sp[0].tex_addr;
69 GLushort zRow[8][IMG_MAX_Y];
70 static int j = 0;
71 int render_y = 0;
72 spu_mfcdma32(texture, addr, PIXELSIZE, 17, MFC_GET_CMD);
73 spu_mfcdma32(texture+PIXELSIZE, addr+PIXELSIZE, PIXELSIZE, 18, MFC_GET_CMD);
74 spu_mfcdma32(texture+PIXELSIZE*2, addr+PIXELSIZE*2, PIXELSIZE, 19, MFC_GET_CMD);
75 spu_mfcdma32(texture+PIXELSIZE*3, addr+PIXELSIZE*3, PIXELSIZE, 20, MFC_GET_CMD);
76 spu_writech(MFC_WrTagMask, 1 << 17);
77 spu_mfcstat(MFC_TAG_UPDATE_ALL);
78 spu_writech(MFC_WrTagMask, 1 << 18);
79 spu_mfcstat(MFC_TAG_UPDATE_ALL);
80 spu_writech(MFC_WrTagMask, 1 << 19);
81 spu_mfcstat(MFC_TAG_UPDATE_ALL);
82 spu_writech(MFC_WrTagMask, 1 << 20);
83 spu_mfcstat(MFC_TAG_UPDATE_ALL);
84 zRow_init();
85 linebuf_init(j);
86 render_y = ss->sp[0].span[0].y;
87 for(int i; i<ss->length; i++)
88 {
89 for(int t; t<ss->sp[i].info.size; t++)
90 {
91 int end = sp->span[n].length_x;
92 Uint32 rgb;
93 float tex1 = sp->span[n].tex_x1;
94 float tex2= sp->span[n].tex_x2;
95 float tey1 = sp->span[n].tex_y1;
96 float tey2= sp->span[n].tex_y2;
97 int tex_xpos;
98 int tex_ypos;
99 int tex_zpos;
100 int x = sp->span[n].x;
101 int y = sp->span[n].y;
102 float z = sp->span[n].start_z;
103 float zpos = sp->span[n].end_z;
104 float tex_x,tex_y,tex_z;
105
106 if(end == 1) {
107 //printf("end == 1\n");
108 //printf("tex_x:%f tex_y:%f\n",tex1,tex2);
109 //if(tex1 > 1) tex1 = 1;
110 //if(tey1 > 1) tey1 = 1;
111 tex_xpos = (int)((sp->span[n].tex_height-1) * tex1);
112 tex_ypos = (int)((sp->span[n].tex_width-1) * tey1);
113 tex_zpos = (int)z;
114 //printf("tex_xpos:%d tex_ypos:%d\n",tex_xpos,tex_ypos);
115 //printf("image->h:%d tex_x:%f\n",(int)sp->span[n].tex_height,tex1);
116 if(z < zRow[x][y%8]) {
117 rgb = get_rgb(tex_xpos,tex_ypos);
118 //viewer->write_pixel(x,y,zpos,rgb);
119 linebuf[j][x][y%8] = rgb;
120 }
121
122 }else {
123 //printf("end != 1\n");
124 for(int j = 0; j < end; j++) {
125 tex_x = tex1*(end-1-j)/(end-1) + tex2*j/(end-1);
126 tex_y = tey1*(end-1-j)/(end-1) + tey2*j/(end-1);
127 tex_z = z*(end-1-j)/(end-1) + zpos*j/(end-1);
128 if(tex_x > 1) tex_x = 1;
129 if(tex_y > 1) tex_y = 1;
130 tex_xpos = (int)((sp->span[n].tex_height-1) * tex_x);
131 tex_ypos = (int)((sp->span[n].tex_width-1) * tex_y);
132 //printf("tex_xpos:%d tex_ypos:%d\n",tex_xpos,tex_ypos);
133 //printf("z:%f zpos:%f tex_z:%f\n",z,zpos,tex_z);
134 //printf("tex_x:%f tex_y:%f\n",tex_x,tex_y);
135 if(z < zRow[x][y%8]) {
136 rgb = get_rgb(tex_xpos,tex_ypos);
137 linebuf[j][x][y%8] = rgb;
138 //viewer->write_pixel(j+x,y,tex_z,rgb);
139 }
140 }
141 }
142 }
143 writebuffer(j,fbdev_addr,render_y);
144 }
145 j ^= 1;
146 }
147
148 void writebuffer(int i,fbdev_addr,int y) {
149 spu_mfcdma32(&linebuf[0][0],fbdev_addr,PIXELSIZE,21,MFC_PUT_CMD);
150 }