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1363 vana 1
/*
2
 * Copyright (C) 2006 Jakub Vana
1404 palkovsky 3
 * Copyright (C) 2006 Ondrej Palkovsky
1363 vana 4
 * All rights reserved.
5
 *
6
 * Redistribution and use in source and binary forms, with or without
7
 * modification, are permitted provided that the following conditions
8
 * are met:
9
 *
10
 * - Redistributions of source code must retain the above copyright
11
 *   notice, this list of conditions and the following disclaimer.
12
 * - Redistributions in binary form must reproduce the above copyright
13
 *   notice, this list of conditions and the following disclaimer in the
14
 *   documentation and/or other materials provided with the distribution.
15
 * - The name of the author may not be used to endorse or promote products
16
 *   derived from this software without specific prior written permission.
17
 *
18
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
 */
29
 
1649 cejka 30
/** @defgroup fbs Framebuffers
31
 * @brief   HelenOS framebuffers.
32
 * @{
33
 * @}
34
 */
35
/** @defgroup fb Framebuffer
36
 * @brief   HelenOS framebuffer.
37
 * @ingroup fbs
38
 * @{
39
 */
40
/** @file
41
 */
42
 
43
 
1430 jermar 44
#include <stdlib.h>
45
#include <unistd.h>
46
#include <string.h>
1363 vana 47
#include <ddi.h>
48
#include <sysinfo.h>
49
#include <align.h>
50
#include <as.h>
51
#include <ipc/fb.h>
52
#include <ipc/ipc.h>
1430 jermar 53
#include <ipc/ns.h>
1363 vana 54
#include <ipc/services.h>
55
#include <kernel/errno.h>
1392 palkovsky 56
#include <async.h>
1505 palkovsky 57
 
1404 palkovsky 58
#include "font-8x16.h"
1363 vana 59
#include "fb.h"
1505 palkovsky 60
#include "main.h"
61
#include "../console/screenbuffer.h"
1547 palkovsky 62
#include "ppm.h"
1363 vana 63
 
1711 palkovsky 64
#include "pointer.xbm"
65
#include "pointer_mask.xbm"
66
 
1630 palkovsky 67
#define DEFAULT_BGCOLOR                0xf0f0f0
68
#define DEFAULT_FGCOLOR                0x0
1363 vana 69
 
70
/***************************************************************/
71
/* Pixel specific fuctions */
72
 
1555 palkovsky 73
typedef void (*conv2scr_fn_t)(void *, int);
74
typedef int (*conv2rgb_fn_t)(void *);
1363 vana 75
 
1485 palkovsky 76
struct {
1363 vana 77
    __u8 *fbaddress ;
78
 
79
    unsigned int xres ;
80
    unsigned int yres ;
81
    unsigned int scanline ;
82
    unsigned int pixelbytes ;
83
 
1555 palkovsky 84
    conv2scr_fn_t rgb2scr;
85
    conv2rgb_fn_t scr2rgb;
1485 palkovsky 86
} screen;
1363 vana 87
 
1485 palkovsky 88
typedef struct {
89
    int initialized;
90
    unsigned int x, y;
91
    unsigned int width, height;
1363 vana 92
 
1485 palkovsky 93
    /* Text support in window */
94
    unsigned int rows, cols;
95
    /* Style for text printing */
1509 palkovsky 96
    style_t style;
1485 palkovsky 97
    /* Auto-cursor position */
1486 palkovsky 98
    int cursor_active, cur_col, cur_row;
1500 palkovsky 99
    int cursor_shown;
1672 palkovsky 100
    /* Double buffering */
101
    __u8 *dbdata;
102
    unsigned int dboffset;
103
    unsigned int paused;
1485 palkovsky 104
} viewport_t;
1363 vana 105
 
1646 palkovsky 106
#define MAX_ANIM_LEN    8
107
#define MAX_ANIMATIONS  4
108
typedef struct {
109
    int initialized;
110
    int enabled;
111
    unsigned int vp;
112
 
113
    unsigned int pos;
114
    unsigned int animlen;
115
    unsigned int pixmaps[MAX_ANIM_LEN];
116
} animation_t;
117
static animation_t animations[MAX_ANIMATIONS];
118
static int anims_enabled;
119
 
1552 palkovsky 120
/** Maximum number of saved pixmaps
121
 * Pixmap is a saved rectangle
122
 */
123
#define MAX_PIXMAPS        256
124
typedef struct {
125
    unsigned int width;
126
    unsigned int height;
1555 palkovsky 127
    __u8 *data;
1552 palkovsky 128
} pixmap_t;
129
static pixmap_t pixmaps[MAX_PIXMAPS];
130
 
131
/* Viewport is a rectangular area on the screen */
1485 palkovsky 132
#define MAX_VIEWPORTS 128
133
static viewport_t viewports[128];
134
 
135
/* Allow only 1 connection */
136
static int client_connected = 0;
137
 
1363 vana 138
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
139
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
140
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
141
 
1485 palkovsky 142
#define COL_WIDTH   8
143
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
1363 vana 144
 
1485 palkovsky 145
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
1363 vana 146
 
1555 palkovsky 147
/* Conversion routines between different color representations */
148
static void rgb_4byte(void *dst, int rgb)
1363 vana 149
{
1555 palkovsky 150
    *(int *)dst = rgb;
1363 vana 151
}
152
 
1555 palkovsky 153
static int byte4_rgb(void *src)
1363 vana 154
{
1555 palkovsky 155
    return (*(int *)src) & 0xffffff;
1363 vana 156
}
157
 
1555 palkovsky 158
static void rgb_3byte(void *dst, int rgb)
1363 vana 159
{
1555 palkovsky 160
    __u8 *scr = dst;
1363 vana 161
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
1555 palkovsky 162
    scr[0] = RED(rgb, 8);
163
    scr[1] = GREEN(rgb, 8);
164
    scr[2] = BLUE(rgb, 8);
1363 vana 165
#else
1555 palkovsky 166
    scr[2] = RED(rgb, 8);
167
    scr[1] = GREEN(rgb, 8);
168
    scr[0] = BLUE(rgb, 8);
1363 vana 169
#endif
170
 
1555 palkovsky 171
 
1363 vana 172
}
173
 
1555 palkovsky 174
static int byte3_rgb(void *src)
1363 vana 175
{
1555 palkovsky 176
    __u8 *scr = src;
1363 vana 177
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
1555 palkovsky 178
    return scr[0] << 16 | scr[1] << 8 | scr[2];
1363 vana 179
#else
1555 palkovsky 180
    return scr[2] << 16 | scr[1] << 8 | scr[0];
181
#endif  
1363 vana 182
}
183
 
1555 palkovsky 184
/**  16-bit depth (5:6:5) */
185
static void rgb_2byte(void *dst, int rgb)
1363 vana 186
{
187
    /* 5-bit, 6-bits, 5-bits */
1555 palkovsky 188
    *((__u16 *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5);
1363 vana 189
}
190
 
1555 palkovsky 191
/** 16-bit depth (5:6:5) */
192
static int byte2_rgb(void *src)
1363 vana 193
{
1555 palkovsky 194
    int color = *(__u16 *)(src);
1363 vana 195
    return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
196
}
197
 
198
/** Put pixel - 8-bit depth (3:2:3) */
1555 palkovsky 199
static void rgb_1byte(void *dst, int rgb)
1363 vana 200
{
1555 palkovsky 201
    *(__u8 *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
1363 vana 202
}
203
 
204
/** Return pixel color - 8-bit depth (3:2:3) */
1555 palkovsky 205
static int byte1_rgb(void *src)
1363 vana 206
{
1555 palkovsky 207
    int color = *(__u8 *)src;
1363 vana 208
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
209
}
210
 
1498 palkovsky 211
/** Put pixel into viewport
212
 *
1709 jermar 213
 * @param vport Viewport identification
1498 palkovsky 214
 * @param x X coord relative to viewport
215
 * @param y Y coord relative to viewport
216
 * @param color RGB color
217
 */
1673 palkovsky 218
static void putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color)
1485 palkovsky 219
{
1673 palkovsky 220
    int dx = vport->x + x;
221
    int dy = vport->y + y;
1672 palkovsky 222
 
1673 palkovsky 223
    if (! (vport->paused && vport->dbdata))
1672 palkovsky 224
        (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],color);
225
 
1673 palkovsky 226
    if (vport->dbdata) {
227
        int dline = (y + vport->dboffset) % vport->height;
228
        int doffset = screen.pixelbytes * (dline * vport->width + x);
229
        (*screen.rgb2scr)(&vport->dbdata[doffset],color);
1672 palkovsky 230
    }
1485 palkovsky 231
}
1672 palkovsky 232
 
1498 palkovsky 233
/** Get pixel from viewport */
1673 palkovsky 234
static int getpixel(viewport_t *vport, unsigned int x, unsigned int y)
1485 palkovsky 235
{
1673 palkovsky 236
    int dx = vport->x + x;
237
    int dy = vport->y + y;
1555 palkovsky 238
 
239
    return (*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx,dy)]);
1485 palkovsky 240
}
241
 
1668 palkovsky 242
static inline void putpixel_mem(char *mem, unsigned int x, unsigned int y,
243
                int color)
1363 vana 244
{
1668 palkovsky 245
    (*screen.rgb2scr)(&mem[POINTPOS(x,y)],color);
1363 vana 246
}
247
 
1673 palkovsky 248
static void draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
1559 palkovsky 249
               unsigned int width, unsigned int height,
250
               int color)
251
{
252
    unsigned int x, y;
1668 palkovsky 253
    static void *tmpline;
1559 palkovsky 254
 
1668 palkovsky 255
    if (!tmpline)
256
        tmpline = malloc(screen.scanline*screen.pixelbytes);
257
 
1559 palkovsky 258
    /* Clear first line */
259
    for (x = 0; x < width; x++)
1668 palkovsky 260
        putpixel_mem(tmpline, x, 0, color);
1559 palkovsky 261
 
1673 palkovsky 262
    if (!vport->paused) {
1672 palkovsky 263
        /* Recompute to screen coords */
1673 palkovsky 264
        sx += vport->x;
265
        sy += vport->y;
1672 palkovsky 266
        /* Copy the rest */
267
        for (y = sy;y < sy+height; y++)
268
            memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,
269
                   screen.pixelbytes * width);
270
    }
1673 palkovsky 271
    if (vport->dbdata) {
1672 palkovsky 272
        for (y=sy;y < sy+height; y++) {
1673 palkovsky 273
            int rline = (y + vport->dboffset) % vport->height;
274
            int rpos = (rline * vport->width + sx) * screen.pixelbytes;
275
            memcpy(&vport->dbdata[rpos], tmpline, screen.pixelbytes * width);
1672 palkovsky 276
        }
277
    }
1559 palkovsky 278
 
279
}
280
 
1485 palkovsky 281
/** Fill viewport with background color */
1673 palkovsky 282
static void clear_port(viewport_t *vport)
1363 vana 283
{
1673 palkovsky 284
    draw_rectangle(vport, 0, 0, vport->width, vport->height, vport->style.bg_color);
1363 vana 285
}
286
 
1672 palkovsky 287
/** Scroll unbuffered viewport up/down
1485 palkovsky 288
 *
1709 jermar 289
 * @param vport Viewport to scroll
290
 * @param lines Positive number - scroll up, negative - scroll down
1485 palkovsky 291
 */
1673 palkovsky 292
static void scroll_port_nodb(viewport_t *vport, int lines)
1363 vana 293
{
1485 palkovsky 294
    int y;
1672 palkovsky 295
 
296
    if (lines > 0) {
297
        for (y=vport->y; y < vport->y+vport->height - lines; y++)
1559 palkovsky 298
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
1672 palkovsky 299
                   &screen.fbaddress[POINTPOS(vport->x,y + lines)],
1559 palkovsky 300
                   screen.pixelbytes * vport->width);
1673 palkovsky 301
        draw_rectangle(vport, 0, vport->height - lines,
1672 palkovsky 302
                   vport->width, lines, vport->style.bg_color);
303
    } else if (lines < 0) {
304
        lines = -lines;
305
        for (y=vport->y + vport->height-1; y >= vport->y + lines; y--)
1559 palkovsky 306
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
1672 palkovsky 307
                   &screen.fbaddress[POINTPOS(vport->x,y - lines)],
308
                   screen.pixelbytes * vport->width);
1673 palkovsky 309
        draw_rectangle(vport, 0, 0, vport->width, lines, vport->style.bg_color);
1485 palkovsky 310
    }
1363 vana 311
}
312
 
1672 palkovsky 313
/** Refresh given viewport from double buffer */
1673 palkovsky 314
static void refresh_viewport_db(viewport_t *vport)
1672 palkovsky 315
{
316
    unsigned int y, srcy, srcoff, dsty, dstx;
317
 
1673 palkovsky 318
    for (y = 0; y < vport->height; y++) {
319
        srcy = (y + vport->dboffset) % vport->height;
320
        srcoff = (vport->width * srcy) * screen.pixelbytes;
1672 palkovsky 321
 
1673 palkovsky 322
        dstx = vport->x;
323
        dsty = vport->y + y;
1672 palkovsky 324
 
325
        memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],
1673 palkovsky 326
               &vport->dbdata[srcoff],
327
               vport->width*screen.pixelbytes);
1672 palkovsky 328
    }
329
}
330
 
331
/** Scroll viewport that has double buffering enabled */
1673 palkovsky 332
static void scroll_port_db(viewport_t *vport, int lines)
1672 palkovsky 333
{
1673 palkovsky 334
    ++vport->paused;
1672 palkovsky 335
    if (lines > 0) {
1673 palkovsky 336
        draw_rectangle(vport, 0, 0, vport->width, lines,
337
                   vport->style.bg_color);
338
        vport->dboffset += lines;
339
        vport->dboffset %= vport->height;
1672 palkovsky 340
    } else if (lines < 0) {
341
        lines = -lines;
1673 palkovsky 342
        draw_rectangle(vport, 0, vport->height-lines,
343
                   vport->width, lines,
344
                   vport->style.bg_color);
1672 palkovsky 345
 
1673 palkovsky 346
        if (vport->dboffset < lines)
347
            vport->dboffset += vport->height;
348
        vport->dboffset -= lines;
1672 palkovsky 349
    }
350
 
1673 palkovsky 351
    --vport->paused;
1672 palkovsky 352
 
1673 palkovsky 353
    refresh_viewport_db(vport);
1672 palkovsky 354
}
355
 
356
/** Scrolls viewport given number of lines */
1673 palkovsky 357
static void scroll_port(viewport_t *vport, int lines)
1672 palkovsky 358
{
1673 palkovsky 359
    if (vport->dbdata)
360
        scroll_port_db(vport, lines);
1672 palkovsky 361
    else
1673 palkovsky 362
        scroll_port_nodb(vport, lines);
1672 palkovsky 363
 
364
}
365
 
1673 palkovsky 366
static void invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)
1363 vana 367
{
1673 palkovsky 368
    putpixel(vport, x, y, ~getpixel(vport, x, y));
1363 vana 369
}
370
 
371
 
372
/***************************************************************/
373
/* Character-console functions */
374
 
1558 palkovsky 375
/** Draw character at given position
376
 *
1709 jermar 377
 * @param vport Viewport where the character is printed
1558 palkovsky 378
 * @param sx Coordinates of top-left of the character
379
 * @param sy Coordinates of top-left of the character
380
 * @param style Color of the character
381
 * @param transparent If false, print background color
382
 */
1673 palkovsky 383
static void draw_glyph(viewport_t *vport,__u8 glyph, unsigned int sx, unsigned int sy,
1558 palkovsky 384
               style_t style, int transparent)
1363 vana 385
{
1509 palkovsky 386
    int i;
1363 vana 387
    unsigned int y;
1509 palkovsky 388
    unsigned int glline;
1363 vana 389
 
1509 palkovsky 390
    for (y = 0; y < FONT_SCANLINES; y++) {
391
        glline = fb_font[glyph * FONT_SCANLINES + y];
392
        for (i = 0; i < 8; i++) {
393
            if (glline & (1 << (7 - i)))
1673 palkovsky 394
                putpixel(vport, sx + i, sy + y, style.fg_color);
1558 palkovsky 395
            else if (!transparent)
1673 palkovsky 396
                putpixel(vport, sx + i, sy + y, style.bg_color);
1509 palkovsky 397
        }
398
    }
1363 vana 399
}
400
 
401
/** Invert character at given position */
1673 palkovsky 402
static void invert_char(viewport_t *vport,unsigned int row, unsigned int col)
1363 vana 403
{
404
    unsigned int x;
405
    unsigned int y;
406
 
407
    for (x = 0; x < COL_WIDTH; x++)
408
        for (y = 0; y < FONT_SCANLINES; y++)
1673 palkovsky 409
            invert_pixel(vport, col * COL_WIDTH + x, row * FONT_SCANLINES + y);
1363 vana 410
}
411
 
412
/***************************************************************/
413
/* Stdout specific functions */
414
 
415
 
1485 palkovsky 416
/** Create new viewport
1363 vana 417
 *
1485 palkovsky 418
 * @return New viewport number
1363 vana 419
 */
1485 palkovsky 420
static int viewport_create(unsigned int x, unsigned int y,unsigned int width,
421
               unsigned int height)
1363 vana 422
{
1485 palkovsky 423
    int i;
424
 
1646 palkovsky 425
    for (i=0; i < MAX_VIEWPORTS; i++) {
1485 palkovsky 426
        if (!viewports[i].initialized)
1363 vana 427
            break;
428
    }
1485 palkovsky 429
    if (i == MAX_VIEWPORTS)
430
        return ELIMIT;
431
 
432
    viewports[i].x = x;
433
    viewports[i].y = y;
434
    viewports[i].width = width;
435
    viewports[i].height = height;
1363 vana 436
 
1485 palkovsky 437
    viewports[i].rows = height / FONT_SCANLINES;
438
    viewports[i].cols = width / COL_WIDTH;
439
 
1509 palkovsky 440
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
441
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
1363 vana 442
 
1489 palkovsky 443
    viewports[i].cur_col = 0;
444
    viewports[i].cur_row = 0;
445
    viewports[i].cursor_active = 0;
446
 
1486 palkovsky 447
    viewports[i].initialized = 1;
448
 
1485 palkovsky 449
    return i;
1363 vana 450
}
451
 
452
 
453
/** Initialize framebuffer as a chardev output device
454
 *
455
 * @param addr Address of theframebuffer
1709 jermar 456
 * @param xres Screen width in pixels
457
 * @param yres Screen height in pixels
1363 vana 458
 * @param bpp  Bits per pixel (8, 16, 24, 32)
459
 * @param scan Bytes per one scanline
460
 *
461
 */
1501 palkovsky 462
static void screen_init(void *addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan)
1363 vana 463
{
464
    switch (bpp) {
465
        case 8:
1555 palkovsky 466
            screen.rgb2scr = rgb_1byte;
467
            screen.scr2rgb = byte1_rgb;
1485 palkovsky 468
            screen.pixelbytes = 1;
1363 vana 469
            break;
470
        case 16:
1555 palkovsky 471
            screen.rgb2scr = rgb_2byte;
472
            screen.scr2rgb = byte2_rgb;
1485 palkovsky 473
            screen.pixelbytes = 2;
1363 vana 474
            break;
475
        case 24:
1555 palkovsky 476
            screen.rgb2scr = rgb_3byte;
477
            screen.scr2rgb = byte3_rgb;
1485 palkovsky 478
            screen.pixelbytes = 3;
1363 vana 479
            break;
480
        case 32:
1555 palkovsky 481
            screen.rgb2scr = rgb_4byte;
482
            screen.scr2rgb = byte4_rgb;
1485 palkovsky 483
            screen.pixelbytes = 4;
1363 vana 484
            break;
485
    }
486
 
487
 
1485 palkovsky 488
    screen.fbaddress = (unsigned char *) addr;
489
    screen.xres = xres;
490
    screen.yres = yres;
491
    screen.scanline = scan;
1363 vana 492
 
1485 palkovsky 493
    /* Create first viewport */
494
    viewport_create(0,0,xres,yres);
495
}
1363 vana 496
 
1552 palkovsky 497
/** Hide cursor if it is shown */
1673 palkovsky 498
static void cursor_hide(viewport_t *vport)
1500 palkovsky 499
{
500
    if (vport->cursor_active && vport->cursor_shown) {
1673 palkovsky 501
        invert_char(vport, vport->cur_row, vport->cur_col);
1500 palkovsky 502
        vport->cursor_shown = 0;
503
    }
504
}
505
 
1552 palkovsky 506
/** Show cursor if cursor showing is enabled */
1673 palkovsky 507
static void cursor_print(viewport_t *vport)
1500 palkovsky 508
{
509
    /* Do not check for cursor_shown */
510
    if (vport->cursor_active) {
1673 palkovsky 511
        invert_char(vport, vport->cur_row, vport->cur_col);
1500 palkovsky 512
        vport->cursor_shown = 1;
513
    }
514
}
515
 
1552 palkovsky 516
/** Invert cursor, if it is enabled */
1673 palkovsky 517
static void cursor_blink(viewport_t *vport)
1500 palkovsky 518
{
519
    if (vport->cursor_shown)
1673 palkovsky 520
        cursor_hide(vport);
1500 palkovsky 521
    else
1673 palkovsky 522
        cursor_print(vport);
1500 palkovsky 523
}
524
 
1498 palkovsky 525
/** Draw character at given position relative to viewport
526
 *
1709 jermar 527
 * @param vport Viewport identification
1498 palkovsky 528
 * @param c Character to print
529
 * @param row Screen position relative to viewport
530
 * @param col Screen position relative to viewport
1558 palkovsky 531
 * @param transparent If false, print background color with character
1498 palkovsky 532
 */
1673 palkovsky 533
static void draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col,
534
              style_t style, int transparent)
1486 palkovsky 535
{
1500 palkovsky 536
    /* Optimize - do not hide cursor if we are going to overwrite it */
537
    if (vport->cursor_active && vport->cursor_shown &&
538
        (vport->cur_col != col || vport->cur_row != row))
1673 palkovsky 539
        invert_char(vport, vport->cur_row, vport->cur_col);
1486 palkovsky 540
 
1673 palkovsky 541
    draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style, transparent);
1489 palkovsky 542
 
543
    vport->cur_col = col;
544
    vport->cur_row = row;
545
 
546
    vport->cur_col++;
547
    if (vport->cur_col>= vport->cols) {
548
        vport->cur_col = 0;
549
        vport->cur_row++;
550
        if (vport->cur_row >= vport->rows)
551
            vport->cur_row--;
1486 palkovsky 552
    }
1673 palkovsky 553
    cursor_print(vport);
1486 palkovsky 554
}
555
 
1552 palkovsky 556
/** Draw text data to viewport
557
 *
1709 jermar 558
 * @param vport Viewport id
1552 palkovsky 559
 * @param data Text data fitting exactly into viewport
560
 */
1673 palkovsky 561
static void draw_text_data(viewport_t *vport, keyfield_t *data)
1505 palkovsky 562
{
563
    int i;
1515 palkovsky 564
    int col,row;
1505 palkovsky 565
 
1673 palkovsky 566
    clear_port(vport);
1505 palkovsky 567
    for (i=0; i < vport->cols * vport->rows; i++) {
1509 palkovsky 568
        if (data[i].character == ' ' && style_same(data[i].style,vport->style))
1505 palkovsky 569
            continue;
1515 palkovsky 570
        col = i % vport->cols;
571
        row = i / vport->cols;
1673 palkovsky 572
        draw_glyph(vport, data[i].character, col * COL_WIDTH, row * FONT_SCANLINES,
1558 palkovsky 573
               data[i].style, style_same(data[i].style,vport->style));
1505 palkovsky 574
    }
1673 palkovsky 575
    cursor_print(vport);
1505 palkovsky 576
}
577
 
1555 palkovsky 578
 
579
/** Return first free pixmap */
580
static int find_free_pixmap(void)
581
{
582
    int i;
583
 
584
    for (i=0;i < MAX_PIXMAPS;i++)
585
        if (!pixmaps[i].data)
586
            return i;
587
    return -1;
588
}
589
 
590
static void putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)
591
{
592
    pixmap_t *pmap = &pixmaps[pm];
593
    int pos = (y * pmap->width + x) * screen.pixelbytes;
594
 
595
    (*screen.rgb2scr)(&pmap->data[pos],color);
596
}
597
 
598
/** Create a new pixmap and return appropriate ID */
1720 palkovsky 599
static int shm2pixmap(unsigned char *shm, size_t size)
1555 palkovsky 600
{
601
    int pm;
602
    pixmap_t *pmap;
603
 
604
    pm = find_free_pixmap();
605
    if (pm == -1)
606
        return ELIMIT;
607
    pmap = &pixmaps[pm];
608
 
609
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
610
        return EINVAL;
611
 
612
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
613
    if (!pmap->data)
614
        return ENOMEM;
615
 
616
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,
1673 palkovsky 617
         (putpixel_cb_t)putpixel_pixmap, (void *)pm);
1555 palkovsky 618
 
619
    return pm;
620
}
621
 
1552 palkovsky 622
/** Handle shared memory communication calls
623
 *
624
 * Protocol for drawing pixmaps:
625
 * - FB_PREPARE_SHM(client shm identification)
626
 * - IPC_M_SEND_AS_AREA
627
 * - FB_DRAW_PPM(startx,starty)
628
 * - FB_DROP_SHM
629
 *
630
 * Protocol for text drawing
631
 * - IPC_M_SEND_AS_AREA
632
 * - FB_DRAW_TEXT_DATA
633
 *
634
 * @param callid Callid of the current call
635
 * @param call Current call data
636
 * @param vp Active viewport
637
 * @return 0 if the call was not handled byt this function, 1 otherwise
638
 *
639
 * note: this function is not threads safe, you would have
640
 * to redefine static variables with __thread
641
 */
1547 palkovsky 642
static int shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
643
{
644
    static keyfield_t *interbuffer = NULL;
645
    static size_t intersize = 0;
1505 palkovsky 646
 
1720 palkovsky 647
    static unsigned char *shm = NULL;
1555 palkovsky 648
    static ipcarg_t shm_id = 0;
649
    static size_t shm_size;
1547 palkovsky 650
 
651
    int handled = 1;
652
    int retval = 0;
653
    viewport_t *vport = &viewports[vp];
654
    unsigned int x,y;
655
 
656
    switch (IPC_GET_METHOD(*call)) {
657
    case IPC_M_AS_AREA_SEND:
658
        /* We accept one area for data interchange */
1555 palkovsky 659
        if (IPC_GET_ARG1(*call) == shm_id) {
1547 palkovsky 660
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
1555 palkovsky 661
            shm_size = IPC_GET_ARG2(*call);
1547 palkovsky 662
            if (!ipc_answer_fast(callid, 0, (sysarg_t)dest, 0))
1555 palkovsky 663
                shm = dest;
1547 palkovsky 664
            else
1555 palkovsky 665
                shm_id = 0;
666
            if (shm[0] != 'P')
1547 palkovsky 667
                while (1)
668
                    ;
669
            return 1;
670
        } else {
671
            intersize = IPC_GET_ARG2(*call);
1720 palkovsky 672
            receive_comm_area(callid,call,(void *)&interbuffer);
1547 palkovsky 673
        }
674
        return 1;
675
    case FB_PREPARE_SHM:
1555 palkovsky 676
        if (shm_id)
1547 palkovsky 677
            retval = EBUSY;
678
        else
1555 palkovsky 679
            shm_id = IPC_GET_ARG1(*call);
1547 palkovsky 680
        break;
681
 
682
    case FB_DROP_SHM:
1555 palkovsky 683
        if (shm) {
684
            as_area_destroy(shm);
685
            shm = NULL;
1547 palkovsky 686
        }
1555 palkovsky 687
        shm_id = 0;
1547 palkovsky 688
        break;
1555 palkovsky 689
 
690
    case FB_SHM2PIXMAP:
691
        if (!shm) {
692
            retval = EINVAL;
693
            break;
694
        }
695
        retval = shm2pixmap(shm, shm_size);
696
        break;
1547 palkovsky 697
    case FB_DRAW_PPM:
1555 palkovsky 698
        if (!shm) {
1547 palkovsky 699
            retval = EINVAL;
700
            break;
701
        }
702
        x = IPC_GET_ARG1(*call);
703
        y = IPC_GET_ARG2(*call);
704
        if (x > vport->width || y > vport->height) {
705
            retval = EINVAL;
706
            break;
707
        }
708
 
1555 palkovsky 709
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call), IPC_GET_ARG2(*call),
1673 palkovsky 710
             vport->width - x, vport->height - y, (putpixel_cb_t)putpixel, vport);
1547 palkovsky 711
        break;
712
    case FB_DRAW_TEXT_DATA:
713
        if (!interbuffer) {
714
            retval = EINVAL;
715
            break;
716
        }
717
        if (intersize < vport->cols*vport->rows*sizeof(*interbuffer)) {
718
            retval = EINVAL;
719
            break;
720
        }
1673 palkovsky 721
        draw_text_data(vport, interbuffer);
1547 palkovsky 722
        break;
723
    default:
724
        handled = 0;
725
    }
726
 
727
    if (handled)
728
        ipc_answer_fast(callid, retval, 0, 0);
729
    return handled;
730
}
731
 
1711 palkovsky 732
static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
1552 palkovsky 733
{
1720 palkovsky 734
    int y;
1552 palkovsky 735
    int rowsize;
736
    int tmp;
1711 palkovsky 737
    int width = vport->width;
738
    int height = vport->height;
1552 palkovsky 739
 
1711 palkovsky 740
    if (width + vport->x > screen.xres)
741
        width = screen.xres - vport->x;
742
    if (height + vport->y  > screen.yres)
743
        height = screen.yres - vport->y;
744
 
745
    rowsize = width * screen.pixelbytes;
746
 
747
    for (y=0;y < height; y++) {
748
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
749
        memcpy(pmap->data + rowsize*y, screen.fbaddress + tmp, rowsize);
750
    }
751
}
752
 
753
/** Save viewport to pixmap */
754
static int save_vp_to_pixmap(viewport_t *vport)
755
{
756
    int pm;
757
    pixmap_t *pmap;
758
 
1552 palkovsky 759
    pm = find_free_pixmap();
760
    if (pm == -1)
761
        return ELIMIT;
762
 
763
    pmap = &pixmaps[pm];
764
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
765
    if (!pmap->data)
766
        return ENOMEM;
767
 
768
    pmap->width = vport->width;
769
    pmap->height = vport->height;
1711 palkovsky 770
 
771
    copy_vp_to_pixmap(vport, pmap);
1552 palkovsky 772
 
773
    return pm;
774
}
775
 
776
/** Draw pixmap on screen
777
 *
778
 * @param vp Viewport to draw on
779
 * @param pm Pixmap identifier
780
 */
781
static int draw_pixmap(int vp, int pm)
782
{
783
    pixmap_t *pmap = &pixmaps[pm];
784
    viewport_t *vport = &viewports[vp];
1720 palkovsky 785
    int y;
1552 palkovsky 786
    int tmp, srcrowsize;
787
    int realwidth, realheight, realrowsize;
1711 palkovsky 788
    int width = vport->width;
789
    int height = vport->height;
1552 palkovsky 790
 
1711 palkovsky 791
    if (width + vport->x > screen.xres)
792
        width = screen.xres - vport->x;
793
    if (height + vport->y > screen.yres)
794
        height = screen.yres - vport->y;
795
 
1552 palkovsky 796
    if (!pmap->data)
797
        return EINVAL;
798
 
1711 palkovsky 799
    realwidth = pmap->width <= width ? pmap->width : width;
800
    realheight = pmap->height <= height ? pmap->height : height;
1552 palkovsky 801
 
802
    srcrowsize = vport->width * screen.pixelbytes;
803
    realrowsize = realwidth * screen.pixelbytes;
804
 
805
    for (y=0; y < realheight; y++) {
806
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
807
        memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize, realrowsize);
808
    }
1567 palkovsky 809
    return 0;
1552 palkovsky 810
}
811
 
1646 palkovsky 812
/** Tick animation one step forward */
813
static void anims_tick(void)
814
{
815
    int i;
816
    static int counts = 0;
817
 
818
    /* Limit redrawing */
819
    counts = (counts+1) % 8;
820
    if (counts)
821
        return;
822
 
823
    for (i=0; i < MAX_ANIMATIONS; i++) {
824
        if (!animations[i].animlen || !animations[i].initialized || !animations[i].enabled)
825
            continue;
826
        draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
827
        animations[i].pos = (animations[i].pos+1) % animations[i].animlen;
828
    }
829
}
830
 
1711 palkovsky 831
 
832
static int pointer_x, pointer_y;
1723 palkovsky 833
static int pointer_shown, pointer_enabled;
1711 palkovsky 834
static int pointer_vport = -1;
835
static int pointer_pixmap = -1;
836
 
837
static void mouse_show(void)
838
{
839
    int i,j;
840
    int visibility;
841
    int color;
842
    int bytepos;
843
 
1723 palkovsky 844
    if (pointer_shown || !pointer_enabled)
845
        return;
846
 
1711 palkovsky 847
    /* Save image under the cursor */
848
    if (pointer_vport == -1) {
849
        pointer_vport = viewport_create(pointer_x, pointer_y, pointer_width, pointer_height);
850
        if (pointer_vport < 0)
851
            return;
852
    } else {
853
        viewports[pointer_vport].x = pointer_x;
854
        viewports[pointer_vport].y = pointer_y;
855
    }
856
 
857
    if (pointer_pixmap == -1)
858
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
859
    else
860
        copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
861
 
862
    /* Draw cursor */
863
    for (i=0; i < pointer_height; i++)
864
        for (j=0;j < pointer_width; j++) {
865
            bytepos = i*((pointer_width-1)/8+1) + j/8;
866
            visibility = pointer_mask_bits[bytepos] & (1 << (j % 8));
867
            if (visibility) {
868
                color = pointer_bits[bytepos] & (1 << (j % 8)) ? 0 : 0xffffff;
869
                if (pointer_x+j < screen.xres && pointer_y+i < screen.yres)
870
                    putpixel(&viewports[0], pointer_x+j, pointer_y+i, color);
871
            }
872
        }
873
    pointer_shown = 1;
874
}
875
 
876
static void mouse_hide(void)
877
{
878
    /* Restore image under the cursor */
879
    if (pointer_shown) {
880
        draw_pixmap(pointer_vport, pointer_pixmap);
881
        pointer_shown = 0;
882
    }
883
}
884
 
885
static void mouse_move(unsigned int x, unsigned int y)
886
{
887
    mouse_hide();
888
    pointer_x = x;
889
    pointer_y = y;
890
    mouse_show();
891
}
892
 
1646 palkovsky 893
static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
894
{
895
    int handled = 1;
896
    int retval = 0;
897
    int i,nvp;
898
    int newval;
899
 
900
    switch (IPC_GET_METHOD(*call)) {
901
    case FB_ANIM_CREATE:
902
        nvp = IPC_GET_ARG1(*call);
903
        if (nvp == -1)
904
            nvp = vp;
905
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
906
            retval = EINVAL;
907
            break;
908
        }
909
        for (i=0; i < MAX_ANIMATIONS; i++) {
910
            if (! animations[i].initialized)
911
                break;
912
        }
913
        if (i == MAX_ANIMATIONS) {
914
            retval = ELIMIT;
915
            break;
916
        }
917
        animations[i].initialized = 1;
918
        animations[i].animlen = 0;
919
        animations[i].pos = 0;
920
        animations[i].enabled = 0;
921
        animations[i].vp = nvp;
922
        retval = i;
923
        break;
924
    case FB_ANIM_DROP:
925
        i = IPC_GET_ARG1(*call);
1720 palkovsky 926
        if (i >= MAX_ANIMATIONS || i < 0) {
1646 palkovsky 927
            retval = EINVAL;
928
            break;
929
        }
930
        animations[i].initialized = 0;
931
        break;
932
    case FB_ANIM_ADDPIXMAP:
933
        i = IPC_GET_ARG1(*call);
934
        if (i >= MAX_ANIMATIONS || i < 0 || !animations[i].initialized) {
935
            retval = EINVAL;
936
            break;
937
        }
938
        if (animations[i].animlen == MAX_ANIM_LEN) {
939
            retval = ELIMIT;
940
            break;
941
        }
942
        newval = IPC_GET_ARG2(*call);
943
        if (newval < 0 || newval > MAX_PIXMAPS || !pixmaps[newval].data) {
944
            retval = EINVAL;
945
            break;
946
        }
947
        animations[i].pixmaps[animations[i].animlen++] = newval;
948
        break;
949
    case FB_ANIM_CHGVP:
950
        i = IPC_GET_ARG1(*call);
951
        if (i >= MAX_ANIMATIONS || i < 0) {
952
            retval = EINVAL;
953
            break;
954
        }
955
        nvp = IPC_GET_ARG2(*call);
956
        if (nvp == -1)
957
            nvp = vp;
958
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
959
            retval = EINVAL;
960
            break;
961
        }
962
        animations[i].vp = nvp;
963
        break;
964
    case FB_ANIM_START:
965
    case FB_ANIM_STOP:
966
        i = IPC_GET_ARG1(*call);
967
        if (i >= MAX_ANIMATIONS || i < 0) {
968
            retval = EINVAL;
969
            break;
970
        }
971
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
972
        if (newval ^ animations[i].enabled) {
973
            animations[i].enabled = newval;
974
            anims_enabled += newval ? 1 : -1;
975
        }
976
        break;
977
    default:
978
        handled = 0;
979
    }
980
    if (handled)
981
        ipc_answer_fast(callid, retval, 0, 0);
982
    return handled;
983
}
984
 
1552 palkovsky 985
/** Handler for messages concerning pixmap handling */
986
static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
987
{
988
    int handled = 1;
989
    int retval = 0;
990
    int i,nvp;
991
 
992
    switch (IPC_GET_METHOD(*call)) {
993
    case FB_VP_DRAW_PIXMAP:
994
        nvp = IPC_GET_ARG1(*call);
995
        if (nvp == -1)
996
            nvp = vp;
997
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized) {
998
            retval = EINVAL;
999
            break;
1000
        }
1001
        i = IPC_GET_ARG2(*call);
1002
        retval = draw_pixmap(nvp, i);
1003
        break;
1004
    case FB_VP2PIXMAP:
1005
        nvp = IPC_GET_ARG1(*call);
1006
        if (nvp == -1)
1007
            nvp = vp;
1008
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized)
1009
            retval = EINVAL;
1010
        else
1711 palkovsky 1011
            retval = save_vp_to_pixmap(&viewports[nvp]);
1552 palkovsky 1012
        break;
1013
    case FB_DROP_PIXMAP:
1014
        i = IPC_GET_ARG1(*call);
1015
        if (i >= MAX_PIXMAPS) {
1016
            retval = EINVAL;
1017
            break;
1018
        }
1019
        if (pixmaps[i].data) {
1020
            free(pixmaps[i].data);
1021
            pixmaps[i].data = NULL;
1022
        }
1023
        break;
1024
    default:
1025
        handled = 0;
1026
    }
1027
 
1028
    if (handled)
1029
        ipc_answer_fast(callid, retval, 0, 0);
1030
    return handled;
1031
 
1032
}
1033
 
1498 palkovsky 1034
/** Function for handling connections to FB
1035
 *
1036
 */
1490 palkovsky 1037
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1363 vana 1038
{
1485 palkovsky 1039
    ipc_callid_t callid;
1040
    ipc_call_t call;
1041
    int retval;
1042
    int i;
1043
    unsigned int row,col;
1044
    char c;
1486 palkovsky 1045
 
1485 palkovsky 1046
    int vp = 0;
1486 palkovsky 1047
    viewport_t *vport = &viewports[0];
1363 vana 1048
 
1485 palkovsky 1049
    if (client_connected) {
1050
        ipc_answer_fast(iid, ELIMIT, 0,0);
1051
        return;
1052
    }
1486 palkovsky 1053
    client_connected = 1;
1485 palkovsky 1054
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
1363 vana 1055
 
1485 palkovsky 1056
    while (1) {
1646 palkovsky 1057
        if (vport->cursor_active || anims_enabled)
1640 palkovsky 1058
            callid = async_get_call_timeout(&call,250000);
1059
        else
1060
            callid = async_get_call(&call);
1061
 
1713 palkovsky 1062
        mouse_hide();
1500 palkovsky 1063
        if (!callid) {
1673 palkovsky 1064
            cursor_blink(vport);
1646 palkovsky 1065
            anims_tick();
1723 palkovsky 1066
            mouse_show();
1500 palkovsky 1067
            continue;
1068
        }
1547 palkovsky 1069
        if (shm_handle(callid, &call, vp))
1070
            continue;
1552 palkovsky 1071
        if (pixmap_handle(callid, &call, vp))
1072
            continue;
1646 palkovsky 1073
        if (anim_handle(callid, &call, vp))
1074
            continue;
1547 palkovsky 1075
 
1485 palkovsky 1076
        switch (IPC_GET_METHOD(call)) {
1077
        case IPC_M_PHONE_HUNGUP:
1078
            client_connected = 0;
1079
            /* cleanup other viewports */
1080
            for (i=1; i < MAX_VIEWPORTS; i++)
1486 palkovsky 1081
                vport->initialized = 0;
1485 palkovsky 1082
            return; /* Exit thread */
1505 palkovsky 1083
 
1485 palkovsky 1084
        case FB_PUTCHAR:
1558 palkovsky 1085
        case FB_TRANS_PUTCHAR:
1485 palkovsky 1086
            c = IPC_GET_ARG1(call);
1087
            row = IPC_GET_ARG2(call);
1088
            col = IPC_GET_ARG3(call);
1486 palkovsky 1089
            if (row >= vport->rows || col >= vport->cols) {
1485 palkovsky 1090
                retval = EINVAL;
1091
                break;
1092
            }
1093
            ipc_answer_fast(callid,0,0,0);
1486 palkovsky 1094
 
1673 palkovsky 1095
            draw_char(vport, c, row, col, vport->style, IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);
1485 palkovsky 1096
            continue; /* msg already answered */
1097
        case FB_CLEAR:
1673 palkovsky 1098
            clear_port(vport);
1099
            cursor_print(vport);
1485 palkovsky 1100
            retval = 0;
1101
            break;
1486 palkovsky 1102
        case FB_CURSOR_GOTO:
1103
            row = IPC_GET_ARG1(call);
1104
            col = IPC_GET_ARG2(call);
1105
            if (row >= vport->rows || col >= vport->cols) {
1106
                retval = EINVAL;
1107
                break;
1108
            }
1109
            retval = 0;
1673 palkovsky 1110
            cursor_hide(vport);
1486 palkovsky 1111
            vport->cur_col = col;
1112
            vport->cur_row = row;
1673 palkovsky 1113
            cursor_print(vport);
1486 palkovsky 1114
            break;
1115
        case FB_CURSOR_VISIBILITY:
1673 palkovsky 1116
            cursor_hide(vport);
1500 palkovsky 1117
            vport->cursor_active = IPC_GET_ARG1(call);
1673 palkovsky 1118
            cursor_print(vport);
1486 palkovsky 1119
            retval = 0;
1120
            break;
1485 palkovsky 1121
        case FB_GET_CSIZE:
1486 palkovsky 1122
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
1485 palkovsky 1123
            continue;
1486 palkovsky 1124
        case FB_SCROLL:
1125
            i = IPC_GET_ARG1(call);
1126
            if (i > vport->rows || i < (- (int)vport->rows)) {
1127
                retval = EINVAL;
1128
                break;
1129
            }
1673 palkovsky 1130
            cursor_hide(vport);
1131
            scroll_port(vport, i*FONT_SCANLINES);
1132
            cursor_print(vport);
1486 palkovsky 1133
            retval = 0;
1134
            break;
1672 palkovsky 1135
        case FB_VIEWPORT_DB:
1136
            /* Enable double buffering */
1137
            i = IPC_GET_ARG1(call);
1138
            if (i == -1)
1139
                i = vp;
1140
            if (i < 0 || i >= MAX_VIEWPORTS) {
1141
                retval = EINVAL;
1142
                break;
1143
            }
1144
            if (! viewports[i].initialized ) {
1145
                retval = EADDRNOTAVAIL;
1146
                break;
1147
            }
1148
            viewports[i].dboffset = 0;
1149
            if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)
1150
                viewports[i].dbdata = malloc(screen.pixelbytes*viewports[i].width * viewports[i].height);
1151
            else if (IPC_GET_ARG2(call) == 0 && viewports[i].dbdata) {
1152
                free(viewports[i].dbdata);
1153
                viewports[i].dbdata = NULL;
1154
            }
1155
            retval = 0;
1156
            break;
1486 palkovsky 1157
        case FB_VIEWPORT_SWITCH:
1158
            i = IPC_GET_ARG1(call);
1159
            if (i < 0 || i >= MAX_VIEWPORTS) {
1160
                retval = EINVAL;
1161
                break;
1162
            }
1163
            if (! viewports[i].initialized ) {
1164
                retval = EADDRNOTAVAIL;
1165
                break;
1166
            }
1673 palkovsky 1167
            cursor_hide(vport);
1486 palkovsky 1168
            vp = i;
1169
            vport = &viewports[vp];
1673 palkovsky 1170
            cursor_print(vport);
1486 palkovsky 1171
            retval = 0;
1172
            break;
1173
        case FB_VIEWPORT_CREATE:
1174
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
1175
                         IPC_GET_ARG1(call) & 0xffff,
1176
                         IPC_GET_ARG2(call) >> 16,
1177
                         IPC_GET_ARG2(call) & 0xffff);
1178
            break;
1179
        case FB_VIEWPORT_DELETE:
1180
            i = IPC_GET_ARG1(call);
1181
            if (i < 0 || i >= MAX_VIEWPORTS) {
1182
                retval = EINVAL;
1183
                break;
1184
            }
1185
            if (! viewports[i].initialized ) {
1186
                retval = EADDRNOTAVAIL;
1187
                break;
1188
            }
1189
            viewports[i].initialized = 0;
1672 palkovsky 1190
            if (viewports[i].dbdata) {
1191
                free(viewports[i].dbdata);
1192
                viewports[i].dbdata = NULL;
1193
            }
1486 palkovsky 1194
            retval = 0;
1195
            break;
1196
        case FB_SET_STYLE:
1509 palkovsky 1197
            vport->style.fg_color = IPC_GET_ARG1(call);
1198
            vport->style.bg_color = IPC_GET_ARG2(call);
1486 palkovsky 1199
            retval = 0;
1200
            break;
1201
        case FB_GET_RESOLUTION:
1202
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
1203
            continue;
1707 palkovsky 1204
        case FB_POINTER_MOVE:
1723 palkovsky 1205
            pointer_enabled = 1;
1711 palkovsky 1206
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
1720 palkovsky 1207
            retval = 0;
1707 palkovsky 1208
            break;
1485 palkovsky 1209
        default:
1210
            retval = ENOENT;
1211
        }
1212
        ipc_answer_fast(callid,retval,0,0);
1363 vana 1213
    }
1485 palkovsky 1214
}
1363 vana 1215
 
1498 palkovsky 1216
/** Initialization of framebuffer */
1490 palkovsky 1217
int fb_init(void)
1485 palkovsky 1218
{
1501 palkovsky 1219
    void *fb_ph_addr;
1490 palkovsky 1220
    unsigned int fb_width;
1221
    unsigned int fb_height;
1222
    unsigned int fb_bpp;
1223
    unsigned int fb_scanline;
1501 palkovsky 1224
    void *fb_addr;
1225
    size_t asz;
1363 vana 1226
 
1490 palkovsky 1227
    async_set_client_connection(fb_client_connection);
1363 vana 1228
 
1501 palkovsky 1229
    fb_ph_addr=(void *)sysinfo_value("fb.address.physical");
1490 palkovsky 1230
    fb_width=sysinfo_value("fb.width");
1231
    fb_height=sysinfo_value("fb.height");
1232
    fb_bpp=sysinfo_value("fb.bpp");
1233
    fb_scanline=sysinfo_value("fb.scanline");
1234
 
1501 palkovsky 1235
    asz = fb_scanline*fb_height;
1236
    fb_addr = as_get_mappable_page(asz);
1485 palkovsky 1237
 
1501 palkovsky 1238
    map_physmem(fb_ph_addr, fb_addr, ALIGN_UP(asz,PAGE_SIZE) >>PAGE_WIDTH,
1490 palkovsky 1239
            AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE);
1240
 
1241
    screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline);
1363 vana 1242
 
1485 palkovsky 1243
    return 0;
1363 vana 1244
}
1490 palkovsky 1245
 
1649 cejka 1246
 
1247
/**
1248
 * @}
1249
 */