Subversion Repositories Kolibri OS

#include 

#include 

#include 

#include "SDL.h"

#include "SDL_error.h"

#include "SDL_video.h"

#include "SDL_mouse.h"

#include "SDL_sysvideo.h"

#include "SDL_pixels_c.h"

#include "SDL_events_c.h"

#include "SDL_menuetvideo.h"

#include 

static SDL_VideoDevice * vm_suf=NULL;

static int was_initialized=0;

static int has_null_cursor=0;

static int null_cursor;

inline int get_skinh(void)

{

	int res;

	__asm__ ("int $0x40" : "=a"(res) : "a"(48),"b"(4));

	return res;

}

//#define KEEP_OBSOLETE_STYLE3

#ifdef KEEP_OBSOLETE_STYLE3

static int IsStyle4Available=0;

#endif

void MenuetOS_SDL_RepaintWnd(void)

{

 __kos__window_redraw(1);

 __kos__define_window(1,1,vm_suf->hidden->win_size_x+9,vm_suf->hidden->win_size_y+get_skinh()+4,

#ifdef KEEP_OBSOLETE_STYLE3

 	IsStyle4Available?0x34000000:0x33000000

#else

	0x34000000

#endif

 	,0,(int)vm_suf->hidden->__title);

 // __asm__ __volatile__("int3");

 if(vm_suf && vm_suf->hidden->__video_buffer)

   __kos__draw_bitmap(vm_suf->hidden->__video_buffer, 0,0,

   vm_suf->hidden->win_size_x,vm_suf->hidden->win_size_y);

   __kos__window_redraw(2);

}

static int MenuetOS_AllocHWSurface(_THIS,SDL_Surface * surface)

{

 return -1;

}

static void MenuetOS_FreeHWSurface(_THIS,SDL_Surface * surface)

{

}

static int MenuetOS_LockHWSurface(_THIS,SDL_Surface * surface)

{

 return 0;

}

static void MenuetOS_UnlockHWSurface(_THIS,SDL_Surface * surface)

{

}

static void MenuetOS_DirectUpdate(_THIS,int numrects,SDL_Rect * rects)

{

 if(numrects)

 {

   __kos__draw_bitmap(this->hidden->__video_buffer, 0,0,

   vm_suf->hidden->win_size_x,vm_suf->hidden->win_size_y);

 }

}

int MenuetOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)

{

 return 0;

}

void MenuetOS_VideoQuit(_THIS)

{

	if (has_null_cursor)

	{

		__asm__("int $0x40"::"a"(37),"b"(6),"c"(null_cursor));

		has_null_cursor = 0;

	}

}

void MenuetOS_FinalQuit(void)

{

}

void MenuetOS_SetCaption(_THIS,const char * title,const char * icon)

{

 this->hidden->__title=(char *)title;

 if(was_initialized) __asm__("int $0x40"::"a"(71),"b"(1),"c"(title));

}

void debug_board_write_byte(const char ch){

    __asm__ __volatile__(

        "int $0x40"

        ::"a"(63), "b"(1), "c"(ch));

}

void debug_board_write_str(const char* str){

    while(*str)

        debug_board_write_byte(*str++);

}

SDL_Surface * MenuetOS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags)

{

 int ly;

 char * lx;

 if(bpp!=24) return NULL;

 current->flags=flags;

 current->w=width;

 current->h=height;

 current->pitch=width*(bpp>>3);

 char info[100];

 sprintf(info, "width = %d, height = %d, pitch = %d, bpp = %d\n", current->w, current->h, current->pitch, bpp);

 debug_board_write_str(info);

 // __asm__ __volatile__("int3");

 current->pixels=this->hidden->__video_buffer=realloc(this->hidden->__video_buffer,

	current->pitch*current->h);

 this->hidden->__lines=(unsigned char **)realloc(this->hidden->__lines,

		    sizeof(unsigned char *)*current->h);

 for(ly=0,lx=current->pixels;lyh;ly++,lx+=current->pitch)

   this->hidden->__lines[ly]=lx;

 this->UpdateRects=MenuetOS_DirectUpdate;

 this->hidden->win_size_x=width;

 this->hidden->win_size_y=height;

 vm_suf=this;

 if (was_initialized)

 {

  unsigned newheight = height+get_skinh()+4;

  unsigned newwidth = width+9;

  __asm__("int $0x40"::"a"(67),"b"(-1),"c"(-1),"d"(newwidth),"S"(newheight));

 }

 else

 {

   __kos__set_events_mask(0x27);

  was_initialized=1;

  MenuetOS_SDL_RepaintWnd();

 }

 return current;

}

/*static SDL_Rect video_mode[4];

static SDL_Rect * SDL_modelist[4]={NULL,NULL,NULL,NULL};*/

static SDL_Rect ** MenuetOS_ListModes(_THIS,SDL_PixelFormat * fmt,Uint32 flags)

{

// return (&SDL_modelist[((fmt->BitsPerPixel+7)/8)-1]);

	if (fmt->BitsPerPixel==24)

		return (SDL_Rect**)-1;

	else

		return NULL;

}

static int MenuetOS_Available(void)

{

 return 1;

}

static void MenuetOS_DeleteDevice(_THIS)

{

// free(this->hidden->__video_buffer);	// it will be freed as current->pixels

 free(this->hidden->__lines);

}

static int MenuetOS_VideoInit(_THIS,SDL_PixelFormat * vformat)

{

#ifdef KEEP_OBSOLETE_STYLE3

	char buf[16];

	__asm__("int $0x40"::"a"(18),"b"(13),"c"(buf));

	if (buf[5]=='K' && buf[6]=='o' && buf[7]=='l' && buf[8]=='i')

		/* kernels up to 0.7.0.0 do not support style 4 */;

	else if (*(unsigned*)(buf+5) >= 549)

		/* window style 4 was introduced in revision 549 */

		IsStyle4Available = 1;

#endif

 vformat->BitsPerPixel=24;

 vformat->BytesPerPixel=3;

 this->info.wm_available=1;

 this->info.hw_available=0;

 this->info.video_mem=0x200000;

/* video_mode[3].x=0;

 video_mode[3].y=0;

 video_mode[3].w=320;

 video_mode[3].h=200;

 video_mode[2].x=0;

 video_mode[2].y=0;

 video_mode[2].w=640;

 video_mode[2].h=400;

 video_mode[1].x=0;

 video_mode[1].y=0;

 video_mode[1].w=320;

 video_mode[1].h=240;

 video_mode[0].x=0;

 video_mode[0].y=0;

 video_mode[0].w=640;

 video_mode[0].h=480;

 SDL_modelist[2]=video_mode+0;*/

 return 0;

}

static int MenuetOS_FlipHWSurface(_THIS,SDL_Surface * surface)

{

 __kos__draw_bitmap(surface->pixels, 0,0,surface->w,surface->h);

 return 0;

}

WMcursor* KolibriOS_CreateWMCursor(_THIS,

	Uint8* data, Uint8* mask, int w, int h, int hot_x, int hot_y)

{

	int i,j;

	Uint32* cursor;

	WMcursor* res;

	if (w>32 || h>32) return NULL;

	if (w%8 || h%8) return NULL;

	cursor = (Uint32*)malloc(32*32*4);

	if (!cursor) return NULL;

	for (i=0;i<32;i++)

		for (j=0;j<32;j++)

		{

			if (i>=h || j>=w)

			{

				cursor[i*32+j] = 0x00000000;

				continue;

			}

			if (mask[i*w/8+j/8] & (0x80>>(j&7)))

				cursor[i*32+j] = (data[i*w/8+j/8] & (0x80>>(j&7)))?0xFF000000:0xFFFFFFFF;

			else

				cursor[i*32+j] = 0x00000000;

		}

	__asm__ ("int $0x40" : "=a"(res) : "a"(37),"b"(4),

		"c"(cursor),"d"((hot_x<<24)+(hot_y<<16)+2));

	free(cursor);

	return res;

}

int KolibriOS_ShowWMCursor(_THIS,WMcursor*cursor)

{

	if (!cursor)

	{

		if (!has_null_cursor)

		{

			unsigned* u = malloc(32*32*4);

			if (!u) return 1;

			memset(u,0,32*32*4);

			__asm__("int $0x40":"=a"(null_cursor):

				"a"(37),"b"(4),"c"(u),"d"(2));

			free(u);

			has_null_cursor = 1;

		}

		cursor = (WMcursor*)null_cursor;

	}

	__asm__("int $0x40" : : "a"(37),"b"(5),"c"(cursor));

	return 1;

}

void KolibriOS_FreeWMCursor(_THIS,WMcursor*cursor)

{

	__asm__("int $0x40" : : "a"(37),"b"(6),"c"(cursor));

}

void KolibriOS_CheckMouseMode(_THIS)

{

	if (this->input_grab == SDL_GRAB_OFF)

		return;

	struct process_table_entry buf;

	int res;

	__asm__ volatile("int $0x40" : "=a"(res): "a"(9), "b"(&buf), "c"(-1));

	if (res == buf.pos_in_windowing_stack)

	{

		int x = buf.winx_start + buf.client_left + this->hidden->win_size_x/2;

		int y = buf.winy_start + buf.client_top + this->hidden->win_size_y/2;

		__asm__("int $0x40" : : "a"(18),"b"(19),"c"(4),

			"d"(x*65536+y));

	}

}

char def_title[] = "KolibriOS SDL App";

static SDL_VideoDevice * MenuetOS_CreateDevice(int indx)

{

 SDL_VideoDevice * dev;

 dev=(SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));

 if(dev)

 {

  memset(dev,0,(sizeof *dev));

  dev->hidden = (struct SDL_PrivateVideoData *)malloc((sizeof *dev->hidden));

 }

 if((dev==NULL) || (dev->hidden==NULL))

 {

  SDL_OutOfMemory();

  if(dev)

  {

   free(dev);

  }

  return(0);

 }

 memset(dev->hidden,0,(sizeof *dev->hidden));

 dev->hidden->__title = def_title;

 dev->VideoInit=MenuetOS_VideoInit;

 dev->ListModes=MenuetOS_ListModes;

 dev->SetVideoMode=MenuetOS_SetVideoMode;

 dev->SetColors=MenuetOS_SetColors;

 dev->UpdateRects=NULL;

 dev->VideoQuit=MenuetOS_VideoQuit;

 dev->AllocHWSurface=MenuetOS_AllocHWSurface;

 dev->CheckHWBlit=NULL;

 dev->FillHWRect=NULL;

 dev->SetHWColorKey=NULL;

 dev->SetHWAlpha=NULL;

 dev->LockHWSurface=MenuetOS_LockHWSurface;

 dev->UnlockHWSurface=MenuetOS_UnlockHWSurface;

 dev->FlipHWSurface=MenuetOS_FlipHWSurface;

 dev->FreeHWSurface=MenuetOS_FreeHWSurface;

 dev->SetCaption=MenuetOS_SetCaption;

 dev->SetIcon=NULL;

 dev->IconifyWindow=NULL;

 dev->GrabInput=NULL;

 dev->GetWMInfo=NULL;

 dev->InitOSKeymap=MenuetOS_InitOSKeymap;

 dev->PumpEvents=MenuetOS_PumpEvents;

 dev->free=MenuetOS_DeleteDevice;

	dev->CreateWMCursor = KolibriOS_CreateWMCursor;

	dev->FreeWMCursor = KolibriOS_FreeWMCursor;

	dev->ShowWMCursor = KolibriOS_ShowWMCursor;

	dev->CheckMouseMode = KolibriOS_CheckMouseMode;

 return dev;

}

VideoBootStrap mosvideo_bootstrab={

 "menuetos","MenuetOS Device Driver",

 MenuetOS_Available,MenuetOS_CreateDevice,

};