Subversion Repositories HelenOS

Rev

Rev 1981 | Rev 1991 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1981 Rev 1990
Line 95... Line 95...
95 
}
 95 
}
96 
 
 96 
 
97 
/* Conversion routines between different color representations */
 97 
/* Conversion routines between different color representations */
98 
static void rgb_4byte(void *dst, int rgb)
 98 
static void rgb_4byte(void *dst, int rgb)
99 
{
 99 
{
100 
    *(int *)dst = rgb;
 100 
    *((int *) dst) = rgb;
101 
}
 101 
}
102 
 
 102 
 
103 
static int byte4_rgb(void *src)
 103 
static int byte4_rgb(void *src)
104 
{
 104 
{
105 
    return (*(int *)src) & 0xffffff;
 105 
    return (*((int *) src)) & 0xffffff;
106 
}
 106 
}
107 
 
 107 
 
108 
static void rgb_3byte(void *dst, int rgb)
 108 
static void rgb_3byte(void *dst, int rgb)
109 
{
 109 
{
110 
    uint8_t *scr = dst;
 110 
    uint8_t *scr = dst;
Line 131... Line 131...
131 
 
 131 
 
132 
/**  16-bit depth (5:6:5) */
 132 
/**  16-bit depth (5:6:5) */
133 
static void rgb_2byte(void *dst, int rgb)
 133 
static void rgb_2byte(void *dst, int rgb)
134 
{
 134 
{
135 
    /* 5-bit, 6-bits, 5-bits */
 135 
    /* 5-bit, 6-bits, 5-bits */
136 
    *((uint16_t *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5);
 136 
    *((uint16_t *) dst) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5);
137 
}
 137 
}
138 
 
 138 
 
139 
/** 16-bit depth (5:6:5) */
 139 
/** 16-bit depth (5:6:5) */
140 
static int byte2_rgb(void *src)
 140 
static int byte2_rgb(void *src)
141 
{
 141 
{
Line 151... Line 151...
151 
 * palette. This could be fixed by supporting custom palette
 151 
 * palette. This could be fixed by supporting custom palette
152 
 * and setting it to simulate the 8-bit truecolor.
 152 
 * and setting it to simulate the 8-bit truecolor.
153 
 */
 153 
 */
154 
static void rgb_1byte(void *dst, int rgb)
 154 
static void rgb_1byte(void *dst, int rgb)
155 
{
 155 
{
156 
    *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
 156 
    *((uint8_t *) dst) = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
157 
}
 157 
}
158 
 
 158 
 
159 
/** Return pixel color - 8-bit depth (color palette/3:2:3)
 159 
/** Return pixel color - 8-bit depth (color palette/3:2:3)
160 
 *
 160 
 *
161 
 * See the comment for rgb_1byte().
 161 
 * See the comment for rgb_1byte().
Line 407... Line 407...
407 
    sysinfo_set_item_val("fb.scanline", NULL, scan);
 407 
    sysinfo_set_item_val("fb.scanline", NULL, scan);
408 
    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);
 409 
    sysinfo_set_item_val("fb.invert-colors", NULL, invert_colors);
410 
 
 410 
 
411 
    /* Allocate double buffer */
 411 
    /* Allocate double buffer */
412 
    int totsize = scanline * yres;
 - 
 
413 
    int pages = SIZE2FRAMES(totsize);
 412 
    unsigned int order = fnzb(SIZE2FRAMES(ALIGN_UP(fbsize, FRAME_SIZE))) + 1;
414 
    int order;
 - 
 
415 
    if (pages == 1)
 - 
 
416 
        order = 0;
 - 
 
417 
    else
 - 
 
418 
        order = fnzb(pages - 1) + 1;
 - 
 
419 
 
 - 
 
420 
    dbbuffer = frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
 413 
    dbbuffer = (uint8_t * ) frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
421 
    if (!dbbuffer)
 414 
    if (!dbbuffer)
422 
        printf("Failed to allocate scroll buffer.\n");
 415 
        printf("Failed to allocate scroll buffer.\n");
423 
    dboffset = 0;
 416 
    dboffset = 0;
424 
 
 417 
 
425 
    /* Initialized blank line */
 418 
    /* Initialized blank line */
426 
    blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC);
 419 
    blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC);
427 
    if (!blankline)
 420 
    if (!blankline)
428 
        panic("Failed to allocate blank line for framebuffer.");
 421 
        panic("Failed to allocate blank line for framebuffer.");
429 
    for (y=0; y < FONT_SCANLINES; y++) {
 422 
    for (y = 0; y < FONT_SCANLINES; y++)
430 
        for (x=0; x < xres; x++) {
 423 
        for (x = 0; x < xres; x++)
431 
            (*rgb2scr)(&blankline[POINTPOS(x,y)], COLOR(BGCOLOR));
 424 
            (*rgb2scr)(&blankline[POINTPOS(x, y)], COLOR(BGCOLOR));
432 
        }
 - 
 
433 
    }
 - 
 
434 
 
 425 
   
435 
    clear_screen();
 426 
    clear_screen();
436 
 
 427 
 
437 
    /* Update size of screen to match text area */
 428 
    /* Update size of screen to match text area */
438 
    yres = rows * FONT_SCANLINES;
 429 
    yres = rows * FONT_SCANLINES;
Line 440... Line 431...
440 
    draw_logo(xres - helenos_width, 0);
 431 
    draw_logo(xres - helenos_width, 0);
441 
    invert_cursor();
 432 
    invert_cursor();
442 
 
 433 
 
443 
    chardev_initialize("fb", &framebuffer, &fb_ops);
 434 
    chardev_initialize("fb", &framebuffer, &fb_ops);
444 
    stdout = &framebuffer;
 435 
    stdout = &framebuffer;
445 
   
 - 
 
446 
}
 436 
}
447 
 
 437 
 
448 
/** @}
 438 
/** @}
449 
 */
 439 
 */