diff options
Diffstat (limited to 'xxx/video/vesa.c')
| -rw-r--r-- | xxx/video/vesa.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/xxx/video/vesa.c b/xxx/video/vesa.c deleted file mode 100644 index b43ca50..0000000 --- a/xxx/video/vesa.c +++ /dev/null @@ -1,245 +0,0 @@ -//http://wiki.osdev.org/GUI - -#include <stdarg.h> -#include "kernel/mem.h" -#include "vesa.h" - -#include "lib/logger/log.h" // logger facilities -#include "lib/printf/printf.h" -#define FOOLOS_MODULE_NAME "vesa" - -#define FOOLSOS_SHOW_VESAMODES - -static foolfont *deffont; -static vbemodeinfo *VbeModeInfoBlock; - -static int console_x; -static int console_y; - -static int console_lines; -static int console_cols; - -static uint8_t* buffer; -static uint8_t* physbase; - -void PutConsoleNL(); -void PutPixel(int x,int y, int color); - -void vesa_switch_buffers() -{ - for(int i=0;i<800*600*2;i++)physbase[i]=buffer[i]; - -} - -void vesa_put_rect(int x, int y, int w , int h, int color) -{ - for(int i=x;i<x+w;i++) - for(int j=y;j<y+h;j++) - PutPixel(i,j,color); -} - -void vesa_clear_screen() -{ - vesa_put_rect(0,0,VbeModeInfoBlock->Xres, VbeModeInfoBlock->Yres, 0xffffff); -} - - -void vesa_set_physbase(uint32_t addr) -{ - VbeModeInfoBlock->physbase=addr; -} - - // - // We want to get output to the screen as fast as possible! - // - // Our Fool-Boot-Loader did set up VESA already for us. - // The desired VESA mode is hardcoded in [boot/mbr.asm]. - // - // The [vesa_init(...)] function requires: - // - // * the addresses of the vbeinfo struct - // * the address of the vbemodeinfo struct (for selected mode). - // * Fool Font loaded inside ramimage - // - // The first two paramters are hardcoded in [boot/mbr.asm], - // while the last one is set in the Makefile. The font binary - // is integrated in the kernel image. - // - // this function returns the physical base address of - // our video memory - // - -uint32_t vesa_init(vbeinfo *info,vbemodeinfo *mode,foolfont *rawfont) -{ - //the only functionallu important init lines! (rest is log) - VbeModeInfoBlock=mode; - deffont=rawfont; - console_x=0; - console_y=0; - - int line_height=12; - int col_width=10; - console_lines=mode->Yres/line_height; - console_cols=mode->Xres/col_width; - - // vesa info - log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"vbe version: 0x%x / video mode ptr: 0x%x 0x%x", - info->VbeVersion, info->VideoModePtr[1], info->VideoModePtr[0]); - - // vesa info on selected mode: - log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"colors r:%d 0x%x g:%d 0x%x b:%d 0x%x", - mode->red_position,mode->red_mask, - mode->green_position,mode->green_mask, - mode->blue_position,mode->blue_mask); - - log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"res: %d * %d / banks: %d / attr: 0x%x", - mode->Xres, mode->Yres, mode->banks, mode->attributes); - log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"bpp: %d / physbase: 0x%x", - mode->bpp,mode->physbase); - - // vesa modes - // todo: take segment from vbeinfo! -#ifdef FOOLSOS_SHOW_VESAMODES - uint16_t *modeptr=info->VideoModePtr[0]; - - while(*modeptr!=0xffff&&*modeptr!=0) - { - log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"mode supported : 0x%X", (*modeptr)); - modeptr++; - } -#endif - - - return VbeModeInfoBlock->physbase; - -} - -void PutPixel(int x,int y, int color){ - - //do not write memory outside the screen buffer, check parameters against the VBE mode info - if (x<0 || x>VbeModeInfoBlock->Xres|| y<0 || y>VbeModeInfoBlock->Yres) return; - if (x) x = (x*(VbeModeInfoBlock->bpp>>3)); // get bytes (divide by 8) - if (y) y = (y*VbeModeInfoBlock->pitch); - uint8_t *cTemp=VbeModeInfoBlock->physbase; - - cTemp[x+y] = (uint8_t)(color & 0xff); - cTemp[x+y+1] = (uint8_t)((color>>8) & 0xff); - //cTemp[x+y+2] = (uint8_t)((color>>16) & 0xff); - - } - - -void PutFont(char c, int x,int y, int color) -{ - - int fnt=0x126-0x20; - - if(c>=0x20&&c<=0x126)fnt=c-0x20; - - int posx, posy, sizex=8, sizey=10; - - for(posx=x;posx<x+sizex;posx++) - { - - for(posy=y;posy<y+sizey;posy++) - { - if(deffont[fnt].line[posy-y]&1<<(7-(posx-x))) - { - PutPixel(posx,posy,color); - } - else - { - PutPixel(posx,posy,0); - } - - } - } - -} - -void PutString(char *str, int x,int y, int color, va_list va) -{ - - char buff[256]; - tfp_sprintf(buff,str,va); - str=buff; - - int i=x; - while((*str)!=0) - { - PutFont(*str, i,y, color); - i+=9; // spacing - str++; - } - -} - -void PutConsoleChar(char c, int color) -{ - if(c=='\n') - { - PutConsoleNL(); - return; - } - PutFont(c, console_x*10,console_y*12, color); - console_x++; - - - #ifdef FOOLOS_CONSOLE_AUTOBREAK - if(console_x>=console_cols)PutConsoleNL(); - #endif -} - -void PutConsole(char *str, int color) -{ - - while((*str)!=0) - { - PutConsoleChar(*str,color); - str++; - } - -} -void PutConsoleNL() -{ - console_x=0; - console_y++; - if(console_y>=console_lines-5)console_y=0; - - for(int i=0;i<console_cols;i++) - { - PutFont(' ',i*10,(console_y)*12,0); - } -} - -static int boxx; -static int boxy; -//////////////// -void vesa_render() -{ - vesa_clear_screen(); - vesa_put_rect(100,100,VbeModeInfoBlock->Xres-200,VbeModeInfoBlock->Yres-200,0xff); - vesa_put_rect(boxx-10,boxy-10,20,20,0x999999); - - boxx++; -// boxy+=boxx; - if(boxx>VbeModeInfoBlock->Xres-100)boxx=100; - // if(boxy>VbeModeInfoBlock->Yres-200)boxy=200; - - vesa_switch_buffers(); -} - -/* -void vesa_init_doublebuff() -{ - boxx=300; - boxy=300; - - int blocks=800*600*2/4096+1; - physbase=VbeModeInfoBlock->physbase; - buffer=pmmngr_alloc_blocks(blocks); - log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"Init buffer of %d blocks at 0x%08X",blocks,buffer); - - VbeModeInfoBlock->physbase=buffer; -} -*/ |
