view test/nds-test-progs/general/source/main.c @ 2844:70b63882d2ef

The YCbCr texture extension works now that bytes_per_pixel() returns the correct value for YUV textures. Yay! I'm still cheering for Ryan's pixel shader instead, since once it works different shaders can handle all the YUV formats.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 06 Dec 2008 18:37:06 +0000
parents 204be4fc2726
children 7aba0406c273
line wrap: on
line source


#include <SDL/SDL.h>
#if defined(NDS) || defined(__NDS__) || defined (__NDS)
#include <nds.h>
#include <fat.h>
#else
#define swiWaitForVBlank()
#define consoleDemoInit()
#define fatInitDefault()
#define RGB15(r,g,b) SDL_MapRGB(screen->format,((r)<<3),((g)<<3),((b)<<3))
#endif
    void
splash(SDL_Surface * screen, int s)
{
    SDL_Surface *logo;
    SDL_Rect area = { 0, 0, 256, 192 };

    logo = SDL_LoadBMP("sdl.bmp");
    if (!logo) {
        printf("Couldn't splash.\n");
        return;
    }
    /*logo->flags &= ~SDL_PREALLOC; */
    SDL_BlitSurface(logo, NULL, screen, &area);
    SDL_Flip(screen);
    while (s-- > 0) {
        int i = 60;
        while (--i)
            swiWaitForVBlank();
    }
}


int
main(void)
{
    SDL_Surface *screen;
    SDL_Joystick *stick;
    SDL_Event event;
    SDL_Rect rect = { 0, 0, 256, 192 };
    int i;

    consoleDemoInit();
    puts("Hello world!  Initializing FAT...");
    fatInitDefault();
    
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
        puts("# error initializing SDL");
        puts(SDL_GetError());
        return 1;
    }
    puts("* initialized SDL");
    screen = SDL_SetVideoMode(256, 192, 15, SDL_SWSURFACE);
    if (!screen) {
        puts("# error setting video mode");
        puts(SDL_GetError());
        return 2;
    }
    screen->flags &= ~SDL_PREALLOC;
    puts("* set video mode");
    stick = SDL_JoystickOpen(0);
    if (stick == NULL) {
        puts("# error opening joystick");
        puts(SDL_GetError());
//              return 3;
    }
    puts("* opened joystick");

    /*splash(screen, 3); */

    SDL_FillRect(screen, &rect, RGB15(0, 0, 31) | 0x8000);
    SDL_Flip(screen);

    while (1)
        while (SDL_PollEvent(&event))
            switch (event.type) {
            case SDL_JOYBUTTONDOWN:
                SDL_FillRect(screen, &rect, (u16) rand() | 0x8000);
                SDL_Flip(screen);
                if (rect.w > 8) {
                    rect.x += 4;
                    rect.y += 3;
                    rect.w -= 8;
                    rect.h -= 6;
                }
                printf("button %d pressed at %d ticks\n",
                       event.jbutton.which, SDL_GetTicks());
                break;
            case SDL_QUIT:
                SDL_Quit();
                return 0;
            default:
                break;
            }
    
return 0;

}