X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fsdl%2Fmain.c;h=3165e314001dd32ccb042365c40fa999477a2f55;hb=1442212ba0ff24b868dd29facc2278a26c8a9a18;hp=0abb3e32c60382fa1c6631174aeff3093b5ac574;hpb=ecc362e702b77d5c1334656e6f4dc9b17abcb767;p=dosdemo diff --git a/src/sdl/main.c b/src/sdl/main.c index 0abb3e3..3165e31 100644 --- a/src/sdl/main.c +++ b/src/sdl/main.c @@ -3,22 +3,25 @@ #include #include #include "demo.h" +#include "tinyfps.h" +#include "timer.h" +#include "cfgopt.h" static void handle_event(SDL_Event *ev); +static void toggle_fullscreen(void); static int quit; -static long start_time; static SDL_Surface *fbsurf; static int fbscale = 2; static int xsz, ysz; +static unsigned int sdl_flags = SDL_SWSURFACE; int main(int argc, char **argv) { int s, i, j; char *env; unsigned short *sptr, *dptr; - unsigned int sdl_flags = SDL_SWSURFACE; if((env = getenv("FBSCALE")) && (s = atoi(env))) { fbscale = s; @@ -28,10 +31,12 @@ int main(int argc, char **argv) xsz = fb_width * fbscale; ysz = fb_height * fbscale; - if(!(fb_pixels = malloc(fb_width * fb_height * fb_bpp / CHAR_BIT))) { + /* allocate 1 extra row as a guard band, until we fucking fix the rasterizer */ + if(!(fb_pixels = malloc(fb_width * (fb_height + 1) * fb_bpp / CHAR_BIT))) { fprintf(stderr, "failed to allocate virtual framebuffer\n"); return 1; } + vmem_front = vmem_back = fb_pixels; SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER); if(!(fbsurf = SDL_SetVideoMode(xsz, ysz, fb_bpp, sdl_flags))) { @@ -48,7 +53,7 @@ int main(int argc, char **argv) SDL_Quit(); return 1; } - start_time = SDL_GetTicks(); + reset_timer(); while(!quit) { SDL_Event ev; @@ -57,15 +62,16 @@ int main(int argc, char **argv) if(quit) goto break_evloop; } - time_msec = SDL_GetTicks() - start_time; + time_msec = get_msec(); demo_draw(); + drawFps(fb_pixels); if(SDL_MUSTLOCK(fbsurf)) { SDL_LockSurface(fbsurf); } sptr = fb_pixels; - dptr = fbsurf->pixels; + dptr = (unsigned short*)fbsurf->pixels + (fbsurf->w - xsz) / 2; for(i=0; iw + x] = pixel; } } dptr += fbscale; } - dptr += xsz * (fbscale - 1); + dptr += (fbsurf->w - fb_width) * fbscale; } if(SDL_MUSTLOCK(fbsurf)) { @@ -98,6 +104,21 @@ void demo_quit(void) quit = 1; } +void wait_vsync(void) +{ + unsigned long start = SDL_GetTicks(); + unsigned long until = (start | 0xf) + 1; + while(SDL_GetTicks() <= until); +} + +void swap_buffers(void *pixels) +{ + /* do nothing, all pointers point to the same buffer */ + if(opt.vsync) { + wait_vsync(); + } +} + static void handle_event(SDL_Event *ev) { switch(ev->type) { @@ -107,10 +128,44 @@ static void handle_event(SDL_Event *ev) case SDL_KEYDOWN: case SDL_KEYUP: + if(ev->key.keysym.sym == SDLK_RETURN && (SDL_GetModState() & KMOD_ALT) && + ev->key.state == SDL_PRESSED) { + toggle_fullscreen(); + break; + } demo_keyboard(ev->key.keysym.sym, ev->key.state == SDL_PRESSED ? 1 : 0); break; + case SDL_MOUSEMOTION: + mouse_x = ev->motion.x / fbscale; + mouse_y = ev->motion.y / fbscale; + break; + + case SDL_MOUSEBUTTONDOWN: + mouse_bmask |= 1 << (ev->button.button - SDL_BUTTON_LEFT); + if(0) { + case SDL_MOUSEBUTTONUP: + mouse_bmask &= ~(1 << (ev->button.button - SDL_BUTTON_LEFT)); + } + mouse_x = ev->button.x / fbscale; + mouse_y = ev->button.y / fbscale; + break; + default: break; } } + +static void toggle_fullscreen(void) +{ + SDL_Surface *newsurf; + unsigned int newflags = sdl_flags ^ SDL_FULLSCREEN; + + if(!(newsurf = SDL_SetVideoMode(xsz, ysz, fb_bpp, newflags))) { + fprintf(stderr, "failed to go %s\n", newflags & SDL_FULLSCREEN ? "fullscreen" : "windowed"); + return; + } + + fbsurf = newsurf; + sdl_flags = newflags; +}