fbee
diff src/sys_sdl.c @ 0:88a2049be27b
fbee initial
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Tue, 05 Feb 2013 13:40:36 +0200 |
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children |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/sys_sdl.c Tue Feb 05 13:40:36 2013 +0200 1.3 @@ -0,0 +1,134 @@ 1.4 +#include <SDL/SDL.h> 1.5 +#include "fbee.h" 1.6 +#include "fbeeimpl.h" 1.7 + 1.8 +static int quit, dirty; 1.9 +static SDL_Surface *fbsurf; 1.10 + 1.11 +int fbee_sys_init(void) 1.12 +{ 1.13 + SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER); 1.14 + quit = 0; 1.15 + dirty = 1; 1.16 + return 0; 1.17 +} 1.18 + 1.19 +int fbee_sys_set_video(int width, int height, int bpp, unsigned int flags) 1.20 +{ 1.21 + unsigned int sdl_flags = SDL_HWSURFACE; 1.22 + if(!(fbsurf = SDL_SetVideoMode(width, height, bpp, sdl_flags))) { 1.23 + fprintf(stderr, "failed to set video mode\n"); 1.24 + return -1; 1.25 + } 1.26 + SDL_WM_SetCaption("fbee", "fbee"); 1.27 + return 0; 1.28 +} 1.29 + 1.30 +int fbee_sys_get_video(int *width, int *height, int *bpp) 1.31 +{ 1.32 + if(fbsurf) { 1.33 + *width = fbsurf->w; 1.34 + *height = fbsurf->h; 1.35 + *bpp = fbsurf->format->BitsPerPixel; 1.36 + return 0; 1.37 + } 1.38 + return -1; 1.39 +} 1.40 + 1.41 +void fbee_sys_destroy(void) 1.42 +{ 1.43 + SDL_Quit(); 1.44 +} 1.45 + 1.46 +int fbee_sys_process_events(void) 1.47 +{ 1.48 + SDL_Event ev; 1.49 + 1.50 + if(dirty) { 1.51 + struct closure *cb = fbee_get_callback(FBEE_EV_DRAW); 1.52 + if(cb) { 1.53 + cb->func(cb->cls); 1.54 + dirty = 0; 1.55 + } 1.56 + } 1.57 + 1.58 + if(!fbee_get_callback(FBEE_EV_IDLE)) { 1.59 + if(SDL_WaitEvent(&ev)) { 1.60 + SDL_PushEvent(&ev); 1.61 + } 1.62 + } 1.63 + 1.64 + while(SDL_PollEvent(&ev)) { 1.65 + struct closure *cb; 1.66 + 1.67 + switch(ev.type) { 1.68 + case SDL_KEYDOWN: 1.69 + case SDL_KEYUP: 1.70 + if((cb = fbee_get_callback(FBEE_EV_KEY))) { 1.71 + int pressed = ev.key.state == SDL_PRESSED ? 1 : 0; 1.72 + cb->func(ev.key.keysym.sym, pressed, cb->cls); 1.73 + } 1.74 + break; 1.75 + 1.76 + case SDL_MOUSEBUTTONDOWN: 1.77 + case SDL_MOUSEBUTTONUP: 1.78 + if((cb = fbee_get_callback(FBEE_EV_BUTTON))) { 1.79 + int pressed = ev.button.state == SDL_PRESSED ? 1 : 0; 1.80 + int idx = ev.button.button - SDL_BUTTON_LEFT; 1.81 + cb->func(idx, pressed, cb->cls); 1.82 + } 1.83 + break; 1.84 + 1.85 + case SDL_MOUSEMOTION: 1.86 + if((cb = fbee_get_callback(FBEE_EV_MOTION))) { 1.87 + cb->func(ev.motion.x, ev.motion.y, cb->cls); 1.88 + } 1.89 + break; 1.90 + 1.91 + case SDL_QUIT: 1.92 + quit = 1; 1.93 + return 0; 1.94 + 1.95 + default: 1.96 + break; 1.97 + } 1.98 + } 1.99 + return 1; 1.100 +} 1.101 + 1.102 +void fbee_sys_evloop(void) 1.103 +{ 1.104 + while(!quit && fbee_sys_process_events()) { 1.105 + struct closure *cb = fbee_get_callback(FBEE_EV_IDLE); 1.106 + if(cb) { 1.107 + cb->func(cb->cls); 1.108 + } 1.109 + } 1.110 +} 1.111 + 1.112 +void fbee_redisplay(void) 1.113 +{ 1.114 + dirty = 1; 1.115 +} 1.116 + 1.117 +void *fbee_sys_framebuffer(void) 1.118 +{ 1.119 + return fbsurf->pixels; 1.120 +} 1.121 + 1.122 +void fbee_sys_update(void *img) 1.123 +{ 1.124 + if(img && img != fbsurf->pixels) { 1.125 + if(SDL_MUSTLOCK(fbsurf)) { 1.126 + SDL_LockSurface(fbsurf); 1.127 + } 1.128 + 1.129 + memcpy(fbsurf->pixels, img, fbsurf->pitch * fbsurf->h); 1.130 + 1.131 + if(SDL_MUSTLOCK(fbsurf)) { 1.132 + SDL_UnlockSurface(fbsurf); 1.133 + } 1.134 + } 1.135 + 1.136 + SDL_UpdateRect(fbsurf, 0, 0, 0, 0); 1.137 +}