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Rev 1871 Rev 1875
Line 58... Line 58...
58 
static unsigned int xres = 0;
 58 
static unsigned int xres = 0;
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static unsigned int yres = 0;
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static unsigned int yres = 0;
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static unsigned int scanline = 0;
 60 
static unsigned int scanline = 0;
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static unsigned int bitspp = 0;
 61 
static unsigned int bitspp = 0;
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static unsigned int pixelbytes = 0;
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static unsigned int pixelbytes = 0;
- 
 
 63 
#ifdef FB_INVERT_COLORS
- 
 
 64 
static bool invert_colors = true;
- 
 
 65 
#else
- 
 
 66 
static bool invert_colors = false;
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 67 
#endif
63 
 
 68 
 
64 
static unsigned int position = 0;
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static unsigned int position = 0;
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static unsigned int columns = 0;
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static unsigned int columns = 0;
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static unsigned int rows = 0;
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static unsigned int rows = 0;
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 72 
 
68 
 
 - 
 
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#define COL_WIDTH   8
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#define COL_WIDTH   8
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#define ROW_BYTES   (scanline * FONT_SCANLINES)
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#define ROW_BYTES   (scanline * FONT_SCANLINES)
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 75 
 
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#define BGCOLOR     0x000080
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#define BGCOLOR     0x000080
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#define FGCOLOR     0xffff00
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#define FGCOLOR     0xffff00
Line 83... Line 87...
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/* Pixel specific fuctions */
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/* Pixel specific fuctions */
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 88 
 
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static void (*rgb2scr)(void *, int);
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static void (*rgb2scr)(void *, int);
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static int (*scr2rgb)(void *);
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static int (*scr2rgb)(void *);
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 91 
 
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static inline int COLOR(int color)
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{
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    return invert_colors ? ~color : color;
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}
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 96 
 
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/* Conversion routines between different color representations */
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/* Conversion routines between different color representations */
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static void rgb_4byte(void *dst, int rgb)
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static void rgb_4byte(void *dst, int rgb)
90 
{
 99 
{
91 
    *(int *)dst = rgb;
 100 
    *(int *)dst = rgb;
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}
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}
Line 157... Line 166...
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    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
 166 
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
158 
}
 167 
}
159 
 
 168 
 
160 
static void putpixel(unsigned int x, unsigned int y, int color)
 169 
static void putpixel(unsigned int x, unsigned int y, int color)
161 
{
 170 
{
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    (*rgb2scr)(&fbaddress[POINTPOS(x,y)],color);
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    (*rgb2scr)(&fbaddress[POINTPOS(x,y)], COLOR(color));
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 172 
 
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    if (dbbuffer) {
 173 
    if (dbbuffer) {
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        int dline = (y + dboffset) % yres;
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        int dline = (y + dboffset) % yres;
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        (*rgb2scr)(&dbbuffer[POINTPOS(x,dline)],color);
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        (*rgb2scr)(&dbbuffer[POINTPOS(x,dline)], COLOR(color));
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    }
 176 
    }
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}
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}
169 
 
 178 
 
170 
/** Get pixel from viewport */
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/** Get pixel from viewport */
171 
static int getpixel(unsigned int x, unsigned int y)
 180 
static int getpixel(unsigned int x, unsigned int y)
172 
{
 181 
{
173 
    if (dbbuffer) {
 182 
    if (dbbuffer) {
174 
        int dline = (y + dboffset) % yres;
 183 
        int dline = (y + dboffset) % yres;
175 
        return (*scr2rgb)(&dbbuffer[POINTPOS(x,dline)]);
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        return COLOR((*scr2rgb)(&dbbuffer[POINTPOS(x,dline)]));
176 
    }
 185 
    }
177 
    return (*scr2rgb)(&fbaddress[POINTPOS(x,y)]);
 186 
    return COLOR((*scr2rgb)(&fbaddress[POINTPOS(x,y)]));
178 
}
 187 
}
179 
 
 188 
 
180 
 
 189 
 
181 
/** Fill screen with background color */
 190 
/** Fill screen with background color */
182 
static void clear_screen(void)
 191 
static void clear_screen(void)
Line 272... Line 281...
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    for (y = 0; y < helenos_height; y++)
 281 
    for (y = 0; y < helenos_height; y++)
273 
        for (x = 0; x < helenos_width; x++) {
 282 
        for (x = 0; x < helenos_width; x++) {
274 
            byte = helenos_bits[rowbytes * y + x / 8];
 283 
            byte = helenos_bits[rowbytes * y + x / 8];
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            byte >>= x % 8;
 284 
            byte >>= x % 8;
276 
            if (byte & 1)
 285 
            if (byte & 1)
277 
                putpixel(startx + x, starty + y, LOGOCOLOR);
 286 
                putpixel(startx + x, starty + y, COLOR(LOGOCOLOR));
278 
        }
 287 
        }
279 
}
 288 
}
280 
 
 289 
 
281 
/***************************************************************/
 290 
/***************************************************************/
282 
/* Stdout specific functions */
 291 
/* Stdout specific functions */
Line 395... Line 404...
395 
    sysinfo_set_item_val("fb.height", NULL, yres);
 404 
    sysinfo_set_item_val("fb.height", NULL, yres);
396 
    sysinfo_set_item_val("fb.bpp", NULL, bpp);
 405 
    sysinfo_set_item_val("fb.bpp", NULL, bpp);
397 
    sysinfo_set_item_val("fb.bpp-align", NULL, align);
 406 
    sysinfo_set_item_val("fb.bpp-align", NULL, align);
398 
    sysinfo_set_item_val("fb.scanline", NULL, scan);
 407 
    sysinfo_set_item_val("fb.scanline", NULL, scan);
399 
    sysinfo_set_item_val("fb.address.physical", NULL, addr);
 408 
    sysinfo_set_item_val("fb.address.physical", NULL, addr);
- 
 
 409 
    sysinfo_set_item_val("fb.invert-colors", NULL, invert_colors);
400 
 
 410 
 
401 
    /* Allocate double buffer */
 411 
    /* Allocate double buffer */
402 
    int totsize = scanline * yres;
 412 
    int totsize = scanline * yres;
403 
    int pages = SIZE2FRAMES(totsize);
 413 
    int pages = SIZE2FRAMES(totsize);
404 
    int order;
 414 
    int order;
Line 414... Line 424...
414 
 
 424 
 
415 
    /* Initialized blank line */
 425 
    /* Initialized blank line */
416 
    blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC);
 426 
    blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC);
417 
    if (!blankline)
 427 
    if (!blankline)
418 
        panic("Failed to allocate blank line for framebuffer.");
 428 
        panic("Failed to allocate blank line for framebuffer.");
419 
    for (y=0; y < FONT_SCANLINES; y++)
 429 
    for (y=0; y < FONT_SCANLINES; y++) {
420 
        for (x=0; x < xres; x++)
 430 
        for (x=0; x < xres; x++) {
421 
            (*rgb2scr)(&blankline[POINTPOS(x,y)],BGCOLOR);
 431 
            (*rgb2scr)(&blankline[POINTPOS(x,y)], COLOR(BGCOLOR));
- 
 
 432 
        }
- 
 
 433 
    }
422 
 
 434 
 
423 
    clear_screen();
 435 
    clear_screen();
424 
 
 436 
 
425 
    /* Update size of screen to match text area */
 437 
    /* Update size of screen to match text area */
426 
    yres = rows * FONT_SCANLINES;
 438 
    yres = rows * FONT_SCANLINES;