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robot36
kopia lustrzana https://github.com/xdsopl/robot36
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not using screen->pixels anymore but own buffer and copying to it. 

also do rgb->bgra mapping while copying
master
Ahmet İnan 2011-10-23 22:13:10 +02:00
rodzic 90ab05d11d
commit 8856852830
1 zmienionych plików z 18 dodań i 5 usunięć
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23
sdl.c
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@ -53,6 +53,14 @@ int update_sdl(void *data)
{
sdl_t *sdl = (sdl_t *)data;
while (!sdl->quit) {
for (int i = 0; i < sdl->width * sdl->height; i++) {
uint8_t *src = sdl->pixel + i * 3;
uint8_t *dst = sdl->screen->pixels + i * 4;
dst[0] = src[2];
dst[1] = src[1];
dst[2] = src[0];
dst[3] = 0;
}
SDL_Flip(sdl->screen);
SDL_Delay(100);
handle_events();
@ -66,6 +74,7 @@ void close_sdl(img_t *img)
sdl->quit = 1;
SDL_WaitThread(sdl->thread, 0);
SDL_Quit();
free(sdl->pixel);
}
int open_sdl_write(img_t **p, char *name, int width, int height)
@ -75,15 +84,15 @@ int open_sdl_write(img_t **p, char *name, int width, int height)
atexit(SDL_Quit);
SDL_Init(SDL_INIT_VIDEO);
sdl->screen = SDL_SetVideoMode(width, height, 24, SDL_SWSURFACE);
sdl->screen = SDL_SetVideoMode(width, height, 32, SDL_SWSURFACE);
if (!sdl->screen) {
fprintf(stderr, "couldnt open %s window %dx%d@24\n", name, width, height);
fprintf(stderr, "couldnt open %s window %dx%d@32\n", name, width, height);
SDL_Quit();
free(sdl);
return 0;
}
if (sdl->screen->format->BytesPerPixel != 3 || sdl->screen->w != width || sdl->screen->h != height) {
fprintf(stderr, "requested %dx%d@24 but got %s window %dx%d@24\n", width, height, name, sdl->screen->w, sdl->screen->h);
if (sdl->screen->format->BytesPerPixel != 4 || sdl->screen->w != width || sdl->screen->h != height) {
fprintf(stderr, "requested %dx%d@32 but got %s window %dx%d@32\n", width, height, name, sdl->screen->w, sdl->screen->h);
SDL_Quit();
free(sdl);
return 0;
@ -91,8 +100,12 @@ int open_sdl_write(img_t **p, char *name, int width, int height)
SDL_WM_SetCaption("robot36", "robot36");
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
sdl->pixel = sdl->screen->pixels;
sdl->width = width;
sdl->height = height;
sdl->pixel = malloc(width * height * 3);
memset(sdl->pixel, 0, width * height * 3);
memset(sdl->screen->pixels, 0, width * height * 4);
sdl->quit = 0;
sdl->thread = SDL_CreateThread(update_sdl, sdl);