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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 #if defined(__linux__)
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24
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25 int fd_framebuffer ;
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26 struct fb_var_screeninfo vinfo;
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27 struct fb_fix_screeninfo finfo;
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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 width = vinfo.xres;
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52 height = vinfo.yres;
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53 bpp = vinfo.bits_per_pixel;
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54
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55 #endif
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56
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57 Uint32 sdl_flag = default_sdl_flag | SDL_INIT_VIDEO;
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58 Uint32 *p;
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59
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60 if (SDL_Init(sdl_flag) < 0) {
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61 fprintf(stderr,"Couldn't initialize SDL: %s\n", SDL_GetError());
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62 exit(1);
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63 }
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64
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65 screen = SDL_SetVideoMode(width, height, bpp, SDL_HWSURFACE);
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66 if (screen == NULL) {
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67 fprintf(stderr, "Couldn't set SDL mode: %s\n", SDL_GetError());
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68 SDL_Quit();
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69 exit(1);
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70 }
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71
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72 this->width = screen->w;
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73 this->height = screen->h;
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74 this->bpp = screen->format->BitsPerPixel;
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75
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76 p = (Uint32*)manager->allocate(screen->pitch*height);
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77
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78 return p;
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79 }
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80
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81 void
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82 ViewerSDL::clean_pixels()
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83 {
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84 //bzero(pixels, sizeof(int)*width*height);
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85
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86 //SDL_FillRect(screen,NULL,SDL_MapRGB(screen->format,0,0,0));
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87 }
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88
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89 void
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90 ViewerSDL::clear_screen()
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91 {
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92
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93 #if !UGA
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94 SDL_BlitSurface(bitmap, NULL, screen, NULL);
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95 SDL_UpdateRect(screen, 0, 0, 0, 0);
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96 #endif
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97
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98 }
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99
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100 uint32_t *
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101 ViewerSDL::flip_screen(uint32_t *old)
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102 {
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103 #if UGA
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104
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105 bitmap = SDL_CreateRGBSurfaceFrom((void *)old,
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106 screen->w, screen->h,
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107 screen->format->BitsPerPixel,
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108 screen->pitch,
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109 //redMask, greenMask, blueMask, alphaMask);
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110 redMask, greenMask, blueMask, 0);
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111
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112 SDL_BlitSurface(bitmap,NULL,screen,NULL);
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113 SDL_UpdateRect(screen,0,0,0,0);
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114
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115 #endif
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116
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117 return old;
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118 }
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119
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120 void
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121 ViewerSDL::free_device()
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122 {
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123 free(bitmap->pixels);
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124 SDL_FreeSurface(bitmap);
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125 }
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