forked from KolibriOS/kolibrios
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
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/* Instructions to compile this file with newlib (Assuming you have set up environment
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kos32-gcc -c -I/home/bob/kolibrios/contrib/sdk/sources/newlib/libc/include -I/home/bob/kolibrios/contrib/sdk/sources/libpng/ -I/home/bob/kolibrios/contrib/sdk/sources/zlib -I/home/bob/kolibrios/contrib/sdk/sources/freetype/include -I/home/bob/kolibrios/contrib/sdk/sources/freetype/include -I/home/bob/kolibrios/contrib/sdk/sources/SDL-1.2.2/include/ -std=c99 -D_KOLIBRIOS -Dnskolibrios -g -Wundef -U_Win32 -U_WIN32 -U__MINGW32__ SDLTest.c
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kos32-ld SDLTest.o -T/home/bob/kolibrios/contrib/sdk/sources/newlib/libc/app.lds -nostdlib -static --image-base 0 -lgcc -L/home/autobuild/tools/win32/mingw32/lib /home/autobuild/tools/win32/lib/libdll.a /home/autobuild/tools/win32/lib/libapp.a /home/autobuild/tools/win32/lib/libSDL.a /home/autobuild/tools/win32/lib/libc.dll.a -static -o sdltest
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objcopy -O binary sdltest
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Now sdltest is your binary to run on Kolibri for SDL Demo.
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-- ashmew2
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*/
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// This sample get general protection fault
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#define WIDTH 640
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#define HEIGHT 480
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#define BPP 4
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#define DEPTH 32
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void setpixel(SDL_Surface *screen, int x, int y, Uint8 r, Uint8 g, Uint8 b)
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{
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Uint32 *pixmem32;
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Uint32 colour;
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colour = SDL_MapRGB( screen->format, r, g, b );
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pixmem32 = (Uint32*) screen->pixels + y + x;
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*pixmem32 = colour;
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}
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void DrawScreen(SDL_Surface* screen, int h)
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{
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int x, y, ytimesw;
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if(SDL_MUSTLOCK(screen))
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{
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if(SDL_LockSurface(screen) < 0) return;
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}
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for(y = 0; y < screen->h; y++ )
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{
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ytimesw = y*screen->pitch/BPP;
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for( x = 0; x < screen->w; x++ )
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{
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setpixel(screen, x, ytimesw, (x*x)/256+3*y+h, (y*y)/256+x+h, h);
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}
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}
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if(SDL_MUSTLOCK(screen)) SDL_UnlockSurface(screen);
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SDL_Flip(screen);
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}
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int main(int argc, char* argv[])
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{
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SDL_Surface *screen;
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SDL_Event event;
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int keypress = 0;
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int h=0;
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if (SDL_Init(SDL_INIT_VIDEO) < 0 ) return 1;
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if (!(screen = SDL_SetVideoMode(WIDTH, HEIGHT, DEPTH, SDL_FULLSCREEN|SDL_HWSURFACE)))
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{
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SDL_Quit();
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return 1;
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}
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while(!keypress)
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{
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DrawScreen(screen,h++);
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while(SDL_PollEvent(&event))
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{
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switch (event.type)
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{
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case SDL_QUIT:
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keypress = 1;
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break;
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case SDL_KEYDOWN:
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keypress = 1;
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break;
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}
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}
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}
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SDL_Quit();
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return 0;
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}
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