From 8927c7de2573483e6896751ddba4c2719465aac0 Mon Sep 17 00:00:00 2001 From: maxcodehack Date: Mon, 16 Nov 2020 16:42:03 +0000 Subject: [PATCH] Add working !newlib! sample for SDL git-svn-id: svn://kolibrios.org@8202 a494cfbc-eb01-0410-851d-a64ba20cac60 --- programs/demos/SDL/Makefile | 2 +- programs/demos/SDL/SDLTest.c | 208 +++++++++++++++++++------------ programs/demos/SDL/SDLTest_old.c | 90 +++++++++++++ programs/demos/SDL/picture.xbm | 14 +++ 4 files changed, 230 insertions(+), 84 deletions(-) create mode 100755 programs/demos/SDL/SDLTest_old.c create mode 100755 programs/demos/SDL/picture.xbm diff --git a/programs/demos/SDL/Makefile b/programs/demos/SDL/Makefile index a0b1ab064a..605593234f 100755 --- a/programs/demos/SDL/Makefile +++ b/programs/demos/SDL/Makefile @@ -13,7 +13,7 @@ default: SDL-demo SDL-demo: $(OBJECTS) Makefile $(CC) $(CFLAGS) $(INCLUDES) -o SDLTest.o SDLTest.c - $(LD) $(LDFLAGS) $(LIBPATH) --subsystem native -o SDLTest SDLTest.o -lgcc -lSDL -lc.dll -lc_ -lsound # -lc_ is a menuetlibc libc, not newlib. Write you lib name + $(LD) $(LDFLAGS) $(LIBPATH) --subsystem native -o SDLTest SDLTest.o -lgcc -lSDL -lc.dll -lc -lc_ -lsound # -lc_ is a menuetlibc, -lc - newlib kos32-strip -s SDLTest -o SDLTest objcopy SDLTest -O binary rm SDLTest.o diff --git a/programs/demos/SDL/SDLTest.c b/programs/demos/SDL/SDLTest.c index 3748305d78..0c5f3c98d8 100644 --- a/programs/demos/SDL/SDLTest.c +++ b/programs/demos/SDL/SDLTest.c @@ -1,96 +1,138 @@ -/* Instructions to compile this file with newlib (Assuming you have set up environment +/* -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 - - 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 - -objcopy -O binary sdltest - -Now sdltest is your binary to run on Kolibri for SDL Demo. - --- ashmew2 - -You can found Makefile +Makefile in this folder -- maxcodehack */ +/* Simple program: Test bitmap blits */ + #include -#include +#include +#include -#define WIDTH 640 -#define HEIGHT 480 -#define BPP 4 -#define DEPTH 32 +// We can use Newlib functions with Menuetlibc library SDL! +#include -void setpixel(SDL_Surface *screen, int x, int y, Uint8 r, Uint8 g, Uint8 b) +#include "SDL.h" +#include "picture.xbm" + +SDL_Surface *LoadXBM(SDL_Surface *screen, int w, int h, Uint8 *bits) { - Uint32 *pixmem32; - Uint32 colour; - - colour = SDL_MapRGB( screen->format, r, g, b ); - - pixmem32 = (Uint32*) screen->pixels + y + x; - *pixmem32 = colour; + SDL_Surface *bitmap; + Uint8 *line; + + /* Allocate the bitmap */ + bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 1, 0, 0, 0, 0); + if ( bitmap == NULL ) { + fprintf(stderr, "Couldn't allocate bitmap: %s\n", + SDL_GetError()); + return(NULL); + } + + /* Copy the pixels */ + line = (Uint8 *)bitmap->pixels; + w = (w+7)/8; + while ( h-- ) { + memcpy(line, bits, w); + /* X11 Bitmap images have the bits reversed */ + { int i, j; Uint8 *buf, byte; + for ( buf=line, i=0; i=0; --j ) { + *buf |= (byte&0x01)<>= 1; + } + } + } + line += bitmap->pitch; + bits += w; + } + return(bitmap); } - -void DrawScreen(SDL_Surface* screen, int h) -{ - int x, y, ytimesw; - - if(SDL_MUSTLOCK(screen)) - { - if(SDL_LockSurface(screen) < 0) return; - } - - for(y = 0; y < screen->h; y++ ) - { - ytimesw = y*screen->pitch/BPP; - for( x = 0; x < screen->w; x++ ) - { - setpixel(screen, x, ytimesw, (x*x)/256+3*y+h, (y*y)/256+x+h, h); - } - } - if(SDL_MUSTLOCK(screen)) SDL_UnlockSurface(screen); - - SDL_Flip(screen); -} - - -int main(int argc, char* argv[]) +int main(int argc, char *argv[]) { - SDL_Surface *screen; - SDL_Event event; - - int keypress = 0; - int h=0; - - if (SDL_Init(SDL_INIT_VIDEO) < 0 ) return 1; - - if (!(screen = SDL_SetVideoMode(WIDTH, HEIGHT, DEPTH, SDL_FULLSCREEN|SDL_HWSURFACE))) - { - SDL_Quit(); - return 1; - } - - while(!keypress) - { - DrawScreen(screen,h++); - while(SDL_PollEvent(&event)) - { - switch (event.type) - { - case SDL_QUIT: - keypress = 1; - break; - case SDL_KEYDOWN: - keypress = 1; - break; - } - } - } + SDL_Surface *screen; + SDL_Surface *bitmap; + Uint8 video_bpp; + Uint32 videoflags; + Uint8 *buffer; + int i, done; + SDL_Event event; - SDL_Quit(); - - return 0; + /* Initialize SDL */ + if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { + fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); + exit(1); + } + atexit(SDL_Quit); + + video_bpp = 0; + videoflags = SDL_SWSURFACE; + /* Set 640x480 video mode */ + if ( (screen=SDL_SetVideoMode(640,480,video_bpp,videoflags)) == NULL ) { + fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n", + video_bpp, SDL_GetError()); + exit(2); + } + + /* Set the surface pixels and refresh! */ + if ( SDL_LockSurface(screen) < 0 ) { + fprintf(stderr, "Couldn't lock the display surface: %s\n", + SDL_GetError()); + exit(2); + } + buffer=(Uint8 *)screen->pixels; + for ( i=0; ih; ++i ) { + memset(buffer,(i*255)/screen->h, screen->pitch); + buffer += screen->pitch; + } + SDL_UnlockSurface(screen); + SDL_UpdateRect(screen, 0, 0, 0, 0); + + /* Load the bitmap */ + bitmap = LoadXBM(screen, picture_width, picture_height, + (Uint8 *)picture_bits); + if ( bitmap == NULL ) { + exit(1); + } + + /* Wait for a keystroke */ + done = 0; + while ( !done ) { + /* Check for events */ + while ( SDL_PollEvent(&event) ) { + switch (event.type) { + case SDL_MOUSEBUTTONDOWN: { + SDL_Rect dst; + + dst.x = event.button.x - bitmap->w/2; + dst.y = event.button.y - bitmap->h/2; + dst.w = bitmap->w; + dst.h = bitmap->h; + SDL_BlitSurface(bitmap, NULL, + screen, &dst); + SDL_UpdateRects(screen,1,&dst); + } + break; + case SDL_KEYDOWN: + /* Any key press quits the app... */ + done = 1; + break; + case SDL_QUIT: + done = 1; + break; + default: + break; + } + + // We can use Newlib functions with Menuetlibc library SDL! + // For example: + draw_bar(10, 10, 50, 50, 0xFFFFFF); + } + } + SDL_FreeSurface(bitmap); + SDL_Quit(); + return 0; } diff --git a/programs/demos/SDL/SDLTest_old.c b/programs/demos/SDL/SDLTest_old.c new file mode 100755 index 0000000000..c376abdf6c --- /dev/null +++ b/programs/demos/SDL/SDLTest_old.c @@ -0,0 +1,90 @@ +/* Instructions to compile this file with newlib (Assuming you have set up environment + +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 + + 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 + +objcopy -O binary sdltest + +Now sdltest is your binary to run on Kolibri for SDL Demo. + +-- ashmew2 +*/ + +// This sample get general protection fault +#define WIDTH 640 +#define HEIGHT 480 +#define BPP 4 +#define DEPTH 32 + +void setpixel(SDL_Surface *screen, int x, int y, Uint8 r, Uint8 g, Uint8 b) +{ + Uint32 *pixmem32; + Uint32 colour; + + colour = SDL_MapRGB( screen->format, r, g, b ); + + pixmem32 = (Uint32*) screen->pixels + y + x; + *pixmem32 = colour; +} + + +void DrawScreen(SDL_Surface* screen, int h) +{ + int x, y, ytimesw; + + if(SDL_MUSTLOCK(screen)) + { + if(SDL_LockSurface(screen) < 0) return; + } + + for(y = 0; y < screen->h; y++ ) + { + ytimesw = y*screen->pitch/BPP; + for( x = 0; x < screen->w; x++ ) + { + setpixel(screen, x, ytimesw, (x*x)/256+3*y+h, (y*y)/256+x+h, h); + } + } + if(SDL_MUSTLOCK(screen)) SDL_UnlockSurface(screen); + + SDL_Flip(screen); +} + + +int main(int argc, char* argv[]) +{ + SDL_Surface *screen; + SDL_Event event; + + int keypress = 0; + int h=0; + + if (SDL_Init(SDL_INIT_VIDEO) < 0 ) return 1; + + if (!(screen = SDL_SetVideoMode(WIDTH, HEIGHT, DEPTH, SDL_FULLSCREEN|SDL_HWSURFACE))) + { + SDL_Quit(); + return 1; + } + + while(!keypress) + { + DrawScreen(screen,h++); + while(SDL_PollEvent(&event)) + { + switch (event.type) + { + case SDL_QUIT: + keypress = 1; + break; + case SDL_KEYDOWN: + keypress = 1; + break; + } + } + } + + SDL_Quit(); + return 0; +} diff --git a/programs/demos/SDL/picture.xbm b/programs/demos/SDL/picture.xbm new file mode 100755 index 0000000000..c873a60a18 --- /dev/null +++ b/programs/demos/SDL/picture.xbm @@ -0,0 +1,14 @@ +#define picture_width 32 +#define picture_height 32 +static char picture_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x80, 0x01, 0x18, + 0x64, 0x6f, 0xf6, 0x26, 0x0a, 0x00, 0x00, 0x50, 0xf2, 0xff, 0xff, 0x4f, + 0x14, 0x04, 0x00, 0x28, 0x14, 0x0e, 0x00, 0x28, 0x10, 0x32, 0x00, 0x08, + 0x94, 0x03, 0x00, 0x08, 0xf4, 0x04, 0x00, 0x08, 0xb0, 0x08, 0x00, 0x08, + 0x34, 0x01, 0x00, 0x28, 0x34, 0x01, 0x00, 0x28, 0x12, 0x00, 0x40, 0x48, + 0x12, 0x20, 0xa6, 0x48, 0x14, 0x50, 0x11, 0x29, 0x14, 0x50, 0x48, 0x2a, + 0x10, 0x27, 0xac, 0x0e, 0xd4, 0x71, 0xe8, 0x0a, 0x74, 0x20, 0xa8, 0x0a, + 0x14, 0x20, 0x00, 0x08, 0x10, 0x50, 0x00, 0x08, 0x14, 0x00, 0x00, 0x28, + 0x14, 0x00, 0x00, 0x28, 0xf2, 0xff, 0xff, 0x4f, 0x0a, 0x00, 0x00, 0x50, + 0x64, 0x6f, 0xf6, 0x26, 0x18, 0x80, 0x01, 0x18, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};