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annotate Renderer/Engine/viewerSDL.cc @ 993:8024a3a44832

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sdl mode not worked yet.
author yutaka@charles.cr.ie.u-ryukyu.ac.jp
date Sat, 09 Oct 2010 19:11:45 +0900
parents 0b6f8c82625a
children 33616b2789de
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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1 #include "viewerSDL.h"
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2 #include "Func.h"
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3 #include "TaskManager.h"
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4 #include "viewer_types.h"
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5 #include "fb.h"
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6
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7 #define UGA 1
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8
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9 extern void post2runLoop(void *);
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10
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11 #define default_sdl_flag SDL_INIT_TIMER | SDL_INIT_JOYSTICK
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12
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13 ViewerSDL::ViewerSDL() {}
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14 ViewerSDL::~ViewerSDL() {}
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15
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16 #define DEVICE_NAME "/dev/fb0"
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17 #define DIV_BYTE 8
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18
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19 Uint32 *
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20 ViewerSDL::video_init(TaskManager *manager, int bpp, int width, int height)
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21 {
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22
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23 int fd_framebuffer ;
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24 struct fb_var_screeninfo vinfo;
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25 struct fb_fix_screeninfo finfo;
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26
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27 int xres,yres,vbpp;
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28
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29 /* 読み書き用にファイルを開く */
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30 fd_framebuffer = open( DEVICE_NAME , O_RDWR);
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31 if ( !fd_framebuffer ) {
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32 send_current_error_msg("Framebuffer device open error !");
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33 exit(1);
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34 }
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35 send_current_information("The framebuffer device was opened !");
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36
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37 /* 固定スクリーン情報取得 */
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38 if ( ioctl( fd_framebuffer , FBIOGET_FSCREENINFO , &finfo ) ) {
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39 send_current_error_msg("Fixed information not gotton !");
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40 exit(2);
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41 }
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42
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43 /* 変動スクリーン情報取得 */
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44 if ( ioctl( fd_framebuffer , FBIOGET_VSCREENINFO , &vinfo ) ) {
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45 send_current_error_msg("Variable information not gotton !");
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46 exit(3);
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47 }
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48
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49 close(fd_framebuffer);
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50
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51 xres = vinfo.xres;
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52 yres = vinfo.yres;
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53 vbpp = vinfo.bits_per_pixel;
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54
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55 width = xres;
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56 height = yres;
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57 bpp = vbpp;
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58
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59 Uint32 sdl_flag = default_sdl_flag | SDL_INIT_VIDEO;
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60 Uint32 *p;
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61
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62 if (SDL_Init(sdl_flag) < 0) {
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63 fprintf(stderr,"Couldn't initialize SDL: %s\n", SDL_GetError());
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64 exit(1);
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65 }
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66
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67 screen = SDL_SetVideoMode(width, height, bpp, SDL_HWSURFACE);
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68 if (screen == NULL) {
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69 fprintf(stderr, "Couldn't set GL mode: %s\n", SDL_GetError());
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70 SDL_Quit();
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71 exit(1);
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72 }
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73 this->width = screen->w;
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74 this->height = screen->h;
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75 this->bpp = screen->format->BitsPerPixel;
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76
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77 p = (Uint32*)manager->allocate(screen->pitch*height);
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78 bitmap = SDL_CreateRGBSurfaceFrom((void *)p,
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79 screen->w, screen->h,
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80 screen->format->BitsPerPixel,
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81 screen->pitch,
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82 redMask, greenMask, blueMask, alphaMask);
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83
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84 return p;
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85 }
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86
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87 void
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88 ViewerSDL::clean_pixels()
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89 {
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90 //bzero(pixels, sizeof(int)*width*height);
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91 SDL_FillRect(screen,NULL,SDL_MapRGB(screen->format,0,0,0));
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92 }
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93
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94 void
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95 ViewerSDL::clear_screen()
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96 {
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97 #if !UGA
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98 SDL_BlitSurface(bitmap, NULL, screen, NULL);
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99 SDL_UpdateRect(screen, 0, 0, 0, 0);
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100 #endif
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101 }
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102
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103 uint32_t *
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104 ViewerSDL::flip_screen(uint32_t *old)
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105 {
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106 #if UGA
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107 SDL_BlitSurface(bitmap,NULL,screen,NULL);
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108 SDL_UpdateRect(screen,0,0,0,0);
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109 #endif
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110 return old;
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111 }
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112
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113 void
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114 ViewerSDL::free_device()
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115 {
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116 free(bitmap->pixels);
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117 SDL_FreeSurface(bitmap);
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118 }