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26
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1 #include <iostream>
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2 #include <SDL.h>
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3 #include <SDL_opengl.h>
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4 #include <math.h>
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48
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5 #include <unistd.h>
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26
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6 #include "polygon.h"
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7 #include "viewer.h"
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8 #include "sys.h"
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9 using namespace std;
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10
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28
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11 #define redMask 0x00ff0000
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12 #define greenMask 0x0000ff00
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13 #define blueMask 0x000000ff
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14 #define alphaMask 0
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15
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48
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16 extern int create_sgp(Polygon *sg, SceneGraphPack *sgp);
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26
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17 extern int update_sgp(SceneGraphPack *sgp, SceneGraphPack *_sgp);
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48
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18 extern int create_pp(SceneGraphPack *sgp, PolygonPack *pp);
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26
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19
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20 Viewer::Viewer(int b, int w, int h)
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21 {
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28
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22 bpp = b;
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23 width = w;
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24 height = h;
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26
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25 }
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26
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27
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28 void Viewer::sdl_init()
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29 {
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67
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30 if (SDL_Init( SDL_INIT_VIDEO ) < 0) {
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28
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31 fprintf(stderr,"Couldn't initialize SDL: %s\n",SDL_GetError());
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32 exit( 1 );
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33 }
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67
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34
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74
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35 #ifndef _DEBUG
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36 screen = SDL_SetVideoMode( width, height, bpp, SDL_HWSURFACE);
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37 if (screen == NULL) {
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38 fprintf(stderr, "Couldn't set GL mode: %s\n", SDL_GetError());
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39 SDL_Quit();
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40 exit(1);
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41 }
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70
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42 #else
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43 void *_pixels = new Uint32[width*height*32/8];
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44 //posix_memalign(&pixels, width*heigh/8, DEFAULT_ALIGNMENT);
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45 screen = SDL_CreateRGBSurfaceFrom(_pixels, width, height, 32,
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46 width*4, redMask, greenMask,
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47 blueMask, alphaMask);
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48 #endif
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26
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49 }
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50
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51
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52 int Viewer::get_ticks()
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53 {
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54 int time;
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55 time = SDL_GetTicks();
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56 return time;
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26
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57 }
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58
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59 bool Viewer::quit_check()
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60 {
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61 bool quit = false;
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62 SDL_Event event;
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63 while(SDL_PollEvent(&event))
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64 {
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65 if(event.type==SDL_QUIT)
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66 {
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67 quit = true;
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68 return quit;
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69 }
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70 }
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71 return quit;
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72 }
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73
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74 void Viewer::quit()
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75 {
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76 SDL_Quit();
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77 }
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78
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79
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80 void Viewer::swap_buffers()
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81 {
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82 SDL_GL_SwapBuffers();
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83 }
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84
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85
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51
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86 void
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87 Viewer::write_pixel(int x, int y,float z, Uint32 rgb)
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88 {
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89 SDL_PixelFormat *pf;
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90 pf = screen->format;
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91 x += width/2;
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92 y += height/2;
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93
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28
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94 static int diffz,diffz1;
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51
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95
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96 diffz1 = diffz;
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97 diffz = (zRow[x][y]>z);
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98 if (z < zRow[x][y]) {
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99 if (x < width && x > 0 && y > 0 && y < height) {
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100 zRow[x][y] = z;
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101 y = height - y;
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102 pixels[width*y + x] = rgb;
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103 }
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104 }
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105 }
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106
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51
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107 void
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108 Viewer::write_line(float x1, float y1, float x2, float y2, Uint32 rgb)
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109 {
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51
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110 if (x1 > x2) {
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111 float x=0;
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112 float y=0;
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113 x=x1;
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114 y=y1;
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115 x1 = x2;
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116 y1 = y2;
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117 x2 = x;
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118 y2 = y;
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119 }
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120
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121 float s = y1;
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122
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123 if ((int)x1 == (int)x2) {
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124 if (y1 > y2) {
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125 float y=0;
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126 y = y1;
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127 y1 = y2;
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128 y2 = y;
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129 }
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130
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131 for (float i=y1; i<y2; i++) {
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132 //write_pixel((int)x1,(int)i);
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133 write_pixel((int)x1,(int)i,0,rgb);
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134 }
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51
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135 } else {
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136 float t = (y2 - y1)/(x2 - x1);
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137 if (t < -1) {
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138 float f = 0;
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139 for (float i=x1; i<x2; i++) {
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140 for (float a=(int)t; a<0; a++) {
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141 write_pixel((int)i,(int)s,0,rgb);
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142 s--;
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143 }
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144
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145 f += t-(int)t;
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146
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147 if (f <= -1) {
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148 write_pixel((int)i,(int)s,0,rgb);
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149 f = 0;
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150 s--;
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151 }
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152 }
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153 } else if (t <= 1) {
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154 for(float i=x1; i<x2; i++) {
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155 //write_pixel((int)i,(int)s);
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156 write_pixel((int)i,(int)s,0,rgb);
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157 s += t;
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158 }
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159 } else {
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160 float f = 0;
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161 for (float i=x1; i<x2; i++) {
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162 for (float a=0; a<(int)t; a++) {
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163 write_pixel((int)i,(int)s,0,rgb);
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164 s++;
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165 }
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166
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167 f += t-(int)t;
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168
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169 if (f >= 1) {
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170 write_pixel((int)i,(int)s,0,rgb);
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171 f = 0;
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172 s++;
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173 }
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174 }
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175 }
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176 }
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177 }
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178
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179 void Viewer::write_triangle(float x1, float y1, float x2, float y2, float x3, float y3, Uint32 rgb)
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180 {
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181 write_line(x1,y1,x2,y2,rgb);
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182 write_line(x2,y2,x3,y3,rgb);
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183 write_line(x3,y3,x1,y1,rgb);
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184 }
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185
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186 void Viewer::clean_pixels()
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187 {
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188 for(int i=0; i<width*height; i++)
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189 {
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190 pixels[i] = 0x00;
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191 }
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192 }
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193
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194 void Viewer::graph_line()
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195 {
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196 int xl = width*height/2;
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197 int yl = width/2;
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198 for(int i=0; i<width; i++)
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199 {
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200 for(int t=0; t<height; t+=20)
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201 {
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202 pixels[width*t+i] = 0x5a;
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203 }
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204 pixels[xl +i] = 0xff;
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205 }
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206 for(int i=0; i<height; i++)
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207 {
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208 for(int t=0; t<width; t+=20)
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209 {
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210 pixels[i*width+t] = 0x5a;
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211 }
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212 pixels[i*width+yl] = 0xff;
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213 }
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214 }
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215
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54
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216 // run_arg_t ¤Ë½ñ¤¯¤Î¤¬¤á¤ó¤É¤¤¤«¤é¤Ã¤Æ
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217 // global ¤Ë½ñ¤¯¤Î¤â¤É¤¦¤«
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218 int start_time;
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219 int this_time;
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220 int frames;
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221 SDL_Surface *bitmap;
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222 SDL_PixelFormat *pixelFormat;
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223 Uint32 background;
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224 Polygon *polygon;
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225 //SceneGraphPack *sgp;
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226 //PolygonPack *pp;
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227 DmaBuffer *sgp_buff __attribute__((aligned(DEFAULT_ALIGNMENT)));
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228 DmaBuffer *pp_buff __attribute__((aligned(DEFAULT_ALIGNMENT)));
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229
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230 void
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231 Viewer::run_init()
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232 {
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233 HTaskPtr task;
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234 int fd;
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235
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236 SceneGraphPack *sgp;
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237
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238 start_time = get_ticks();
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239 this_time = 0;
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240 frames = 0;
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241
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242 pixelFormat = screen->format;
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243 background = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
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244 polygon = new Polygon;
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245 polygon->set_data("cube.xml");
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246 polygon->viewer = this;
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247
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248 // ÄÌ¿®ÍÑ buffer ¤Î allocate
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249 // ¤³¤ì¤¸¤ã¤Ê¤¤¤ÈÄÌ¿®ÍѤ˻Ȥ¨¤Ê¤¤(¤è¤¦¤Ë½èÍý¤ò½ñ¤«¤Ê¤¤¤È¡ª)
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250 sgp_buff = manager->allocate(sizeof(SceneGraphPack));
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251
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252 sgp_buff->get_buffer(&sgp);
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253 create_sgp(polygon, sgp);
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254 sgp_buff->swap_buffer();
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255
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256 sgp_buff->get_buffer(&sgp);
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257 create_sgp(polygon, sgp);
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258 sgp_buff->swap_buffer();
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259
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260 pp_buff = manager->allocate(sizeof(PolygonPack));
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42
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261
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262 pixels = new Uint32[width*height];
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263
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264 graph_line();
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265
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266 bitmap = SDL_CreateRGBSurfaceFrom((void *)pixels, width, height, 32,
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267 width*4, redMask, greenMask,
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268 blueMask, alphaMask);
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269
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270 fd = manager->open("ViewerRunLoop");
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271 task = manager->create_task(fd, 0, 0, 0, NULL);
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272 task->spawn();
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273 }
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274
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275 void
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276 Viewer::run_loop(void)
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277 {
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278 HTaskPtr task_update_sgp = NULL;
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279 HTaskPtr task_create_pp = NULL;
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280 HTaskPtr task_finish = NULL;
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281 int fd_update_sgp;
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282 int fd_create_pp;
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283 int fd_finish;
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284
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285 HTaskPtr task;
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286 int fd;
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287
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76
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288 bool quit_flg;
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289
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290 quit_flg = quit_check();
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291
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292 if (quit_flg == true) {
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293 this_time = get_ticks();
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294 fd_finish = manager->open("ViewerRunFinish");
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295 task_finish = manager->create_task(fd_finish, 0, 0, 0, NULL);
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296 task_finish->spawn();
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297 return;
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298 }
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299
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300 clean_pixels();
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301
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302 zRow_init();
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303 graph_line();
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304
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305 fd_update_sgp = manager->open("UpdateSGP");
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306 fd_create_pp = manager->open("CreatePP");
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307 fd = manager->open("ViewerRunDraw");
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308 task_update_sgp = manager->create_task(fd_update_sgp,
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309 sizeof(SceneGraphPack),
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310 sgp_buff, sgp_buff, NULL);
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311 task_create_pp = manager->create_task(fd_create_pp,
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312 sizeof(SceneGraphPack),
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313 sgp_buff, pp_buff, NULL);
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314 task = manager->create_task(fd, 0, 0, 0, NULL);
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315
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316 task->set_depend(task_update_sgp);
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317 task->set_depend(task_create_pp);
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318
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319 //task_update_sgp->set_cpu(CPU_SPE);
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320 task_create_pp->set_cpu(CPU_SPE);
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321
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322 task_update_sgp->spawn();
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323 task_create_pp->spawn();
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324 task->spawn();
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325
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326 //sgp_buff->swap_buffer();
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48
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327 }
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328
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48
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329 void
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330 Viewer::run_draw(void)
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331 {
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332 HTaskPtr task;
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333 int fd;
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334
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335 PolygonPack *pp;
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336
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337 pp_buff->get_buffer(&pp);
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338
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339 polygon->draw(pp); // test draw of PolygonPack
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340 SDL_BlitSurface(bitmap, NULL, screen, NULL);
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341 SDL_UpdateRect(screen, 0, 0, 0, 0);
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342
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343 frames++;
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344
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345 fd = manager->open("ViewerRunLoop");
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346 task = manager->create_task(fd, 0, 0, 0, NULL);
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347 task->spawn();
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42
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348 }
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349
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350 void
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48
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351 Viewer::run_finish(void)
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42
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352 {
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54
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353 if (this_time != start_time) {
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354 cout<< (((float)frames)/(this_time-start_time))*1000.0 << " FPS\n";
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355 }
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356
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357 SDL_FreeSurface(bitmap);
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358 delete [] pixels;
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359 polygon->delete_data();
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360 delete polygon;
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76
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361 //delete sgp_buff;
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362 //delete pp_buff;
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42
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363 quit();
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364 }
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365
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28
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366 void
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367 Viewer::zRow_init()
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368 {
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369 for (int i = 0; i < width; i++) {
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370 for (int j = 0; j < height; j++) {
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371 zRow[i][j] = 65535;
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26
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372 }
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28
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373 }
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26
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374 }
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