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1 
/*
 1 
/*
2 
 * Copyright (C) 2006 Jakub Vana
 2 
 * Copyright (C) 2006 Jakub Vana
3 
 * Copyright (C) 2006 Ondrej Palkovsky
 3 
 * Copyright (C) 2006 Ondrej Palkovsky
4 
 * All rights reserved.
 4 
 * All rights reserved.
5 
 *
 5 
 *
6 
 * Redistribution and use in source and binary forms, with or without
 6 
 * Redistribution and use in source and binary forms, with or without
7 
 * modification, are permitted provided that the following conditions
 7 
 * modification, are permitted provided that the following conditions
8 
 * are met:
 8 
 * are met:
9 
 *
 9 
 *
10 
 * - Redistributions of source code must retain the above copyright
 10 
 * - Redistributions of source code must retain the above copyright
11 
 *   notice, this list of conditions and the following disclaimer.
 11 
 *   notice, this list of conditions and the following disclaimer.
12 
 * - Redistributions in binary form must reproduce the above copyright
 12 
 * - Redistributions in binary form must reproduce the above copyright
13 
 *   notice, this list of conditions and the following disclaimer in the
 13 
 *   notice, this list of conditions and the following disclaimer in the
14 
 *   documentation and/or other materials provided with the distribution.
 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
 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.
 16 
 *   derived from this software without specific prior written permission.
17 
 *
 17 
 *
18 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 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
 19 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 20 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 21 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 22 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 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
 24 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 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
 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.
 27 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 
 */
 28 
 */
29 
 
 29 
 
30 
/**
 30 
/**
31 
 * @defgroup fb Graphical framebuffer
 31 
 * @defgroup fb Graphical framebuffer
32 
 * @brief   HelenOS graphical framebuffer.
 32 
 * @brief   HelenOS graphical framebuffer.
33 
 * @ingroup fbs
 33 
 * @ingroup fbs
34 
 * @{
 34 
 * @{
35 
 */
 35 
 */
36 
 
 36 
 
37 
/** @file
 37 
/** @file
38 
 */
 38 
 */
39 
 
 39 
 
40 
#include <stdlib.h>
 40 
#include <stdlib.h>
41 
#include <unistd.h>
 41 
#include <unistd.h>
42 
#include <string.h>
 42 
#include <string.h>
43 
#include <ddi.h>
 43 
#include <ddi.h>
44 
#include <sysinfo.h>
 44 
#include <sysinfo.h>
45 
#include <align.h>
 45 
#include <align.h>
46 
#include <as.h>
 46 
#include <as.h>
47 
#include <ipc/fb.h>
 47 
#include <ipc/fb.h>
48 
#include <ipc/ipc.h>
 48 
#include <ipc/ipc.h>
49 
#include <ipc/ns.h>
 49 
#include <ipc/ns.h>
50 
#include <ipc/services.h>
 50 
#include <ipc/services.h>
51 
#include <kernel/errno.h>
 51 
#include <kernel/errno.h>
52 
#include <async.h>
 52 
#include <async.h>
53 
 
 53 
 
54 
#include "font-8x16.h"
 54 
#include "font-8x16.h"
55 
#include "fb.h"
 55 
#include "fb.h"
56 
#include "main.h"
 56 
#include "main.h"
57 
#include "../console/screenbuffer.h"
 57 
#include "../console/screenbuffer.h"
58 
#include "ppm.h"
 58 
#include "ppm.h"
59 
 
 59 
 
60 
#include "pointer.xbm"
 60 
#include "pointer.xbm"
61 
#include "pointer_mask.xbm"
 61 
#include "pointer_mask.xbm"
62 
 
 62 
 
63 
#define DEFAULT_BGCOLOR                0xf0f0f0
 63 
#define DEFAULT_BGCOLOR                0xf0f0f0
64 
#define DEFAULT_FGCOLOR                0x0
 64 
#define DEFAULT_FGCOLOR                0x0
65 
 
 65 
 
66 
/***************************************************************/
 66 
/***************************************************************/
67 
/* Pixel specific fuctions */
 67 
/* Pixel specific fuctions */
68 
 
 68 
 
69 
typedef void (*conv2scr_fn_t)(void *, int);
 69 
typedef void (*conv2scr_fn_t)(void *, int);
70 
typedef int (*conv2rgb_fn_t)(void *);
 70 
typedef int (*conv2rgb_fn_t)(void *);
71 
 
 71 
 
72 
struct {
 72 
struct {
73 
    uint8_t *fbaddress;
 73 
    uint8_t *fbaddress;
74 
 
 74 
 
75 
    unsigned int xres;
 75 
    unsigned int xres;
76 
    unsigned int yres;
 76 
    unsigned int yres;
77 
    unsigned int scanline;
 77 
    unsigned int scanline;
78 
    unsigned int pixelbytes;
 78 
    unsigned int pixelbytes;
79 
    unsigned int invert_colors;
 79 
    unsigned int invert_colors;
80 
 
 80 
 
81 
    conv2scr_fn_t rgb2scr;
 81 
    conv2scr_fn_t rgb2scr;
82 
    conv2rgb_fn_t scr2rgb;
 82 
    conv2rgb_fn_t scr2rgb;
83 
} screen;
 83 
} screen;
84 
 
 84 
 
85 
typedef struct {
 85 
typedef struct {
86 
    int initialized;
 86 
    int initialized;
87 
    unsigned int x, y;
 87 
    unsigned int x, y;
88 
    unsigned int width, height;
 88 
    unsigned int width, height;
89 
 
 89 
 
90 
    /* Text support in window */
 90 
    /* Text support in window */
91 
    unsigned int rows, cols;
 91 
    unsigned int rows, cols;
92 
    /* Style for text printing */
 92 
    /* Style for text printing */
93 
    style_t style;
 93 
    style_t style;
94 
    /* Auto-cursor position */
 94 
    /* Auto-cursor position */
95 
    int cursor_active, cur_col, cur_row;
 95 
    int cursor_active, cur_col, cur_row;
96 
    int cursor_shown;
 96 
    int cursor_shown;
97 
    /* Double buffering */
 97 
    /* Double buffering */
98 
    uint8_t *dbdata;
 98 
    uint8_t *dbdata;
99 
    unsigned int dboffset;
 99 
    unsigned int dboffset;
100 
    unsigned int paused;
 100 
    unsigned int paused;
101 
} viewport_t;
 101 
} viewport_t;
102 
 
 102 
 
103 
#define MAX_ANIM_LEN    8
 103 
#define MAX_ANIM_LEN    8
104 
#define MAX_ANIMATIONS  4
 104 
#define MAX_ANIMATIONS  4
105 
typedef struct {
 105 
typedef struct {
106 
    int initialized;
 106 
    int initialized;
107 
    int enabled;
 107 
    int enabled;
108 
    unsigned int vp;
 108 
    unsigned int vp;
109 
 
 109 
 
110 
    unsigned int pos;
 110 
    unsigned int pos;
111 
    unsigned int animlen;
 111 
    unsigned int animlen;
112 
    unsigned int pixmaps[MAX_ANIM_LEN];
 112 
    unsigned int pixmaps[MAX_ANIM_LEN];
113 
} animation_t;
 113 
} animation_t;
114 
static animation_t animations[MAX_ANIMATIONS];
 114 
static animation_t animations[MAX_ANIMATIONS];
115 
static int anims_enabled;
 115 
static int anims_enabled;
116 
 
 116 
 
117 
/** Maximum number of saved pixmaps
 117 
/** Maximum number of saved pixmaps
118 
 * Pixmap is a saved rectangle
 118 
 * Pixmap is a saved rectangle
119 
 */
 119 
 */
120 
#define MAX_PIXMAPS        256
 120 
#define MAX_PIXMAPS        256
121 
typedef struct {
 121 
typedef struct {
122 
    unsigned int width;
 122 
    unsigned int width;
123 
    unsigned int height;
 123 
    unsigned int height;
124 
    uint8_t *data;
 124 
    uint8_t *data;
125 
} pixmap_t;
 125 
} pixmap_t;
126 
static pixmap_t pixmaps[MAX_PIXMAPS];
 126 
static pixmap_t pixmaps[MAX_PIXMAPS];
127 
 
 127 
 
128 
/* Viewport is a rectangular area on the screen */
 128 
/* Viewport is a rectangular area on the screen */
129 
#define MAX_VIEWPORTS 128
 129 
#define MAX_VIEWPORTS 128
130 
static viewport_t viewports[128];
 130 
static viewport_t viewports[128];
131 
 
 131 
 
132 
/* Allow only 1 connection */
 132 
/* Allow only 1 connection */
133 
static int client_connected = 0;
 133 
static int client_connected = 0;
134 
 
 134 
 
135 
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
 135 
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
136 
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
 136 
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
137 
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
 137 
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
138 
 
 138 
 
139 
#define COL_WIDTH   8
 139 
#define COL_WIDTH   8
140 
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
 140 
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
141 
 
 141 
 
142 
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
 142 
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
143 
 
 143 
 
144 
static inline int COLOR(int color)
 144 
static inline int COLOR(int color)
145 
{
 145 
{
146 
    return screen.invert_colors ? ~color : color;
 146 
    return screen.invert_colors ? ~color : color;
147 
}
 147 
}
148 
 
 148 
 
149 
/* Conversion routines between different color representations */
 149 
/* Conversion routines between different color representations */
150 
static void rgb_4byte(void *dst, int rgb)
 150 
static void rgb_4byte(void *dst, int rgb)
151 
{
 151 
{
152 
    *(int *)dst = rgb;
 152 
    *(int *)dst = rgb;
153 
}
 153 
}
154 
 
 154 
 
155 
static int byte4_rgb(void *src)
 155 
static int byte4_rgb(void *src)
156 
{
 156 
{
157 
    return (*(int *)src) & 0xffffff;
 157 
    return (*(int *)src) & 0xffffff;
158 
}
 158 
}
159 
 
 159 
 
160 
static void rgb_3byte(void *dst, int rgb)
 160 
static void rgb_3byte(void *dst, int rgb)
161 
{
 161 
{
162 
    uint8_t *scr = dst;
 162 
    uint8_t *scr = dst;
163 
#if defined(FB_INVERT_ENDIAN)
 163 
#if defined(FB_INVERT_ENDIAN)
164 
    scr[0] = RED(rgb, 8);
 164 
    scr[0] = RED(rgb, 8);
165 
    scr[1] = GREEN(rgb, 8);
 165 
    scr[1] = GREEN(rgb, 8);
166 
    scr[2] = BLUE(rgb, 8);
 166 
    scr[2] = BLUE(rgb, 8);
167 
#else
 167 
#else
168 
    scr[2] = RED(rgb, 8);
 168 
    scr[2] = RED(rgb, 8);
169 
    scr[1] = GREEN(rgb, 8);
 169 
    scr[1] = GREEN(rgb, 8);
170 
    scr[0] = BLUE(rgb, 8);
 170 
    scr[0] = BLUE(rgb, 8);
171 
#endif
 171 
#endif
172 
}
 172 
}
173 
 
 173 
 
174 
static int byte3_rgb(void *src)
 174 
static int byte3_rgb(void *src)
175 
{
 175 
{
176 
    uint8_t *scr = src;
 176 
    uint8_t *scr = src;
177 
#if defined(FB_INVERT_ENDIAN)
 177 
#if defined(FB_INVERT_ENDIAN)
178 
    return scr[0] << 16 | scr[1] << 8 | scr[2];
 178 
    return scr[0] << 16 | scr[1] << 8 | scr[2];
179 
#else
 179 
#else
180 
    return scr[2] << 16 | scr[1] << 8 | scr[0];
 180 
    return scr[2] << 16 | scr[1] << 8 | scr[0];
181 
#endif 
181 
#endif 
182 
}
 182 
}
183 
 
 183 
 
184 
/**  16-bit depth (5:6:5) */
 184 
/**  16-bit depth (5:6:5) */
185 
static void rgb_2byte(void *dst, int rgb)
 185 
static void rgb_2byte(void *dst, int rgb)
186 
{
 186 
{
187 
    /* 5-bit, 6-bits, 5-bits */
 187 
    /* 5-bit, 6-bits, 5-bits */
188 
    *((uint16_t *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5);
 188 
    *((uint16_t *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5);
189 
}
 189 
}
190 
 
 190 
 
191 
/** 16-bit depth (5:6:5) */
 191 
/** 16-bit depth (5:6:5) */
192 
static int byte2_rgb(void *src)
 192 
static int byte2_rgb(void *src)
193 
{
 193 
{
194 
    int color = *(uint16_t *)(src);
 194 
    int color = *(uint16_t *)(src);
195 
    return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
 195 
    return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
196 
}
 196 
}
197 
 
 197 
 
198 
/** Put pixel - 8-bit depth (3:2:3) */
 198 
/** Put pixel - 8-bit depth (3:2:3) */
199 
static void rgb_1byte(void *dst, int rgb)
 199 
static void rgb_1byte(void *dst, int rgb)
200 
{
 200 
{
201 
    *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
 201 
    *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
202 
}
 202 
}
203 
 
 203 
 
204 
/** Return pixel color - 8-bit depth (3:2:3) */
 204 
/** Return pixel color - 8-bit depth (3:2:3) */
205 
static int byte1_rgb(void *src)
 205 
static int byte1_rgb(void *src)
206 
{
 206 
{
207 
    int color = *(uint8_t *)src;
 207 
    int color = *(uint8_t *)src;
208 
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
 208 
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
209 
}
 209 
}
210 
 
 210 
 
211 
/** Put pixel into viewport
 211 
/** Put pixel into viewport
212 
 *
 212 
 *
213 
 * @param vport Viewport identification
 213 
 * @param vport Viewport identification
214 
 * @param x X coord relative to viewport
 214 
 * @param x X coord relative to viewport
215 
 * @param y Y coord relative to viewport
 215 
 * @param y Y coord relative to viewport
216 
 * @param color RGB color
 216 
 * @param color RGB color
217 
 */
 217 
 */
218 
static void putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color)
 218 
static void putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color)
219 
{
 219 
{
220 
    int dx = vport->x + x;
 220 
    int dx = vport->x + x;
221 
    int dy = vport->y + y;
 221 
    int dy = vport->y + y;
222 
 
 222 
 
223 
    if (! (vport->paused && vport->dbdata))
 223 
    if (! (vport->paused && vport->dbdata))
224 
        (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)], COLOR(color));
 224 
        (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)], COLOR(color));
225 
 
 225 
 
226 
    if (vport->dbdata) {
 226 
    if (vport->dbdata) {
227 
        int dline = (y + vport->dboffset) % vport->height;
 227 
        int dline = (y + vport->dboffset) % vport->height;
228 
        int doffset = screen.pixelbytes * (dline * vport->width + x);
 228 
        int doffset = screen.pixelbytes * (dline * vport->width + x);
229 
        (*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color));
 229 
        (*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color));
230 
    }
 230 
    }
231 
}
 231 
}
232 
 
 232 
 
233 
/** Get pixel from viewport */
 233 
/** Get pixel from viewport */
234 
static int getpixel(viewport_t *vport, unsigned int x, unsigned int y)
 234 
static int getpixel(viewport_t *vport, unsigned int x, unsigned int y)
235 
{
 235 
{
236 
    int dx = vport->x + x;
 236 
    int dx = vport->x + x;
237 
    int dy = vport->y + y;
 237 
    int dy = vport->y + y;
238 
 
 238 
 
239 
    return COLOR((*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx,dy)]));
 239 
    return COLOR((*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx,dy)]));
240 
}
 240 
}
241 
 
 241 
 
242 
static inline void putpixel_mem(char *mem, unsigned int x, unsigned int y,
 242 
static inline void putpixel_mem(char *mem, unsigned int x, unsigned int y,
243 
                int color)
 243 
                int color)
244 
{
 244 
{
245 
    (*screen.rgb2scr)(&mem[POINTPOS(x,y)], COLOR(color));
 245 
    (*screen.rgb2scr)(&mem[POINTPOS(x,y)], COLOR(color));
246 
}
 246 
}
247 
 
 247 
 
248 
static void draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
 248 
static void draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
249 
               unsigned int width, unsigned int height,
 249 
               unsigned int width, unsigned int height,
250 
               int color)
 250 
               int color)
251 
{
 251 
{
252 
    unsigned int x, y;
 252 
    unsigned int x, y;
253 
    static void *tmpline;
 253 
    static void *tmpline;
254 
 
 254 
 
255 
    if (!tmpline)
 255 
    if (!tmpline)
256 
        tmpline = malloc(screen.scanline*screen.pixelbytes);
 256 
        tmpline = malloc(screen.scanline*screen.pixelbytes);
257 
 
 257 
 
258 
    /* Clear first line */
 258 
    /* Clear first line */
259 
    for (x = 0; x < width; x++)
 259 
    for (x = 0; x < width; x++)
260 
        putpixel_mem(tmpline, x, 0, color);
 260 
        putpixel_mem(tmpline, x, 0, color);
261 
 
 261 
 
262 
    if (!vport->paused) {
 262 
    if (!vport->paused) {
263 
        /* Recompute to screen coords */
 263 
        /* Recompute to screen coords */
264 
        sx += vport->x;
 264 
        sx += vport->x;
265 
        sy += vport->y;
 265 
        sy += vport->y;
266 
        /* Copy the rest */
 266 
        /* Copy the rest */
267 
        for (y = sy;y < sy+height; y++)
 267 
        for (y = sy;y < sy+height; y++)
268 
            memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,
 268 
            memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,
269 
                   screen.pixelbytes * width);
 269 
                   screen.pixelbytes * width);
270 
    }
 270 
    }
271 
    if (vport->dbdata) {
 271 
    if (vport->dbdata) {
272 
        for (y=sy;y < sy+height; y++) {
 272 
        for (y=sy;y < sy+height; y++) {
273 
            int rline = (y + vport->dboffset) % vport->height;
 273 
            int rline = (y + vport->dboffset) % vport->height;
274 
            int rpos = (rline * vport->width + sx) * screen.pixelbytes;
 274 
            int rpos = (rline * vport->width + sx) * screen.pixelbytes;
275 
            memcpy(&vport->dbdata[rpos], tmpline, screen.pixelbytes * width);
 275 
            memcpy(&vport->dbdata[rpos], tmpline, screen.pixelbytes * width);
276 
        }
 276 
        }
277 
    }
 277 
    }
278 
 
 278 
 
279 
}
 279 
}
280 
 
 280 
 
281 
/** Fill viewport with background color */
 281 
/** Fill viewport with background color */
282 
static void clear_port(viewport_t *vport)
 282 
static void clear_port(viewport_t *vport)
283 
{
 283 
{
284 
    draw_rectangle(vport, 0, 0, vport->width, vport->height, vport->style.bg_color);
 284 
    draw_rectangle(vport, 0, 0, vport->width, vport->height, vport->style.bg_color);
285 
}
 285 
}
286 
 
 286 
 
287 
/** Scroll unbuffered viewport up/down
 287 
/** Scroll unbuffered viewport up/down
288 
 *
 288 
 *
289 
 * @param vport Viewport to scroll
 289 
 * @param vport Viewport to scroll
290 
 * @param lines Positive number - scroll up, negative - scroll down
 290 
 * @param lines Positive number - scroll up, negative - scroll down
291 
 */
 291 
 */
292 
static void scroll_port_nodb(viewport_t *vport, int lines)
 292 
static void scroll_port_nodb(viewport_t *vport, int lines)
293 
{
 293 
{
294 
    int y;
 294 
    int y;
295 
 
 295 
 
296 
    if (lines > 0) {
 296 
    if (lines > 0) {
297 
        for (y=vport->y; y < vport->y+vport->height - lines; y++)
 297 
        for (y=vport->y; y < vport->y+vport->height - lines; y++)
298 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
 298 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
299 
                   &screen.fbaddress[POINTPOS(vport->x,y + lines)],
 299 
                   &screen.fbaddress[POINTPOS(vport->x,y + lines)],
300 
                   screen.pixelbytes * vport->width);
 300 
                   screen.pixelbytes * vport->width);
301 
        draw_rectangle(vport, 0, vport->height - lines,
 301 
        draw_rectangle(vport, 0, vport->height - lines,
302 
                   vport->width, lines, vport->style.bg_color);
 302 
                   vport->width, lines, vport->style.bg_color);
303 
    } else if (lines < 0) {
 303 
    } else if (lines < 0) {
304 
        lines = -lines;
 304 
        lines = -lines;
305 
        for (y=vport->y + vport->height-1; y >= vport->y + lines; y--)
 305 
        for (y=vport->y + vport->height-1; y >= vport->y + lines; y--)
306 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
 306 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
307 
                   &screen.fbaddress[POINTPOS(vport->x,y - lines)],
 307 
                   &screen.fbaddress[POINTPOS(vport->x,y - lines)],
308 
                   screen.pixelbytes * vport->width);
 308 
                   screen.pixelbytes * vport->width);
309 
        draw_rectangle(vport, 0, 0, vport->width, lines, vport->style.bg_color);
 309 
        draw_rectangle(vport, 0, 0, vport->width, lines, vport->style.bg_color);
310 
    }
 310 
    }
311 
}
 311 
}
312 
 
 312 
 
313 
/** Refresh given viewport from double buffer */
 313 
/** Refresh given viewport from double buffer */
314 
static void refresh_viewport_db(viewport_t *vport)
 314 
static void refresh_viewport_db(viewport_t *vport)
315 
{
 315 
{
316 
    unsigned int y, srcy, srcoff, dsty, dstx;
 316 
    unsigned int y, srcy, srcoff, dsty, dstx;
317 
 
 317 
 
318 
    for (y = 0; y < vport->height; y++) {
 318 
    for (y = 0; y < vport->height; y++) {
319 
        srcy = (y + vport->dboffset) % vport->height;
 319 
        srcy = (y + vport->dboffset) % vport->height;
320 
        srcoff = (vport->width * srcy) * screen.pixelbytes;
 320 
        srcoff = (vport->width * srcy) * screen.pixelbytes;
321 
 
 321 
 
322 
        dstx = vport->x;
 322 
        dstx = vport->x;
323 
        dsty = vport->y + y;
 323 
        dsty = vport->y + y;
324 
 
 324 
 
325 
        memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],
 325 
        memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],
326 
               &vport->dbdata[srcoff],
 326 
               &vport->dbdata[srcoff],
327 
               vport->width*screen.pixelbytes);
 327 
               vport->width*screen.pixelbytes);
328 
    }
 328 
    }
329 
}
 329 
}
330 
 
 330 
 
331 
/** Scroll viewport that has double buffering enabled */
 331 
/** Scroll viewport that has double buffering enabled */
332 
static void scroll_port_db(viewport_t *vport, int lines)
 332 
static void scroll_port_db(viewport_t *vport, int lines)
333 
{
 333 
{
334 
    ++vport->paused;
 334 
    ++vport->paused;
335 
    if (lines > 0) {
 335 
    if (lines > 0) {
336 
        draw_rectangle(vport, 0, 0, vport->width, lines,
 336 
        draw_rectangle(vport, 0, 0, vport->width, lines,
337 
                   vport->style.bg_color);
 337 
                   vport->style.bg_color);
338 
        vport->dboffset += lines;
 338 
        vport->dboffset += lines;
339 
        vport->dboffset %= vport->height;
 339 
        vport->dboffset %= vport->height;
340 
    } else if (lines < 0) {
 340 
    } else if (lines < 0) {
341 
        lines = -lines;
 341 
        lines = -lines;
342 
        draw_rectangle(vport, 0, vport->height-lines,
 342 
        draw_rectangle(vport, 0, vport->height-lines,
343 
                   vport->width, lines,
 343 
                   vport->width, lines,
344 
                   vport->style.bg_color);
 344 
                   vport->style.bg_color);
345 
 
 345 
 
346 
        if (vport->dboffset < lines)
 346 
        if (vport->dboffset < lines)
347 
            vport->dboffset += vport->height;
 347 
            vport->dboffset += vport->height;
348 
        vport->dboffset -= lines;
 348 
        vport->dboffset -= lines;
349 
    }
 349 
    }
350 
   
 350 
   
351 
    --vport->paused;
 351 
    --vport->paused;
352 
   
 352 
   
353 
    refresh_viewport_db(vport);
 353 
    refresh_viewport_db(vport);
354 
}
 354 
}
355 
 
 355 
 
356 
/** Scrolls viewport given number of lines */
 356 
/** Scrolls viewport given number of lines */
357 
static void scroll_port(viewport_t *vport, int lines)
 357 
static void scroll_port(viewport_t *vport, int lines)
358 
{
 358 
{
359 
    if (vport->dbdata)
 359 
    if (vport->dbdata)
360 
        scroll_port_db(vport, lines);
 360 
        scroll_port_db(vport, lines);
361 
    else
 361 
    else
362 
        scroll_port_nodb(vport, lines);
 362 
        scroll_port_nodb(vport, lines);
363 
   
 363 
   
364 
}
 364 
}
365 
 
 365 
 
366 
static void invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)
 366 
static void invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)
367 
{
 367 
{
368 
    putpixel(vport, x, y, ~getpixel(vport, x, y));
 368 
    putpixel(vport, x, y, ~getpixel(vport, x, y));
369 
}
 369 
}
370 
 
 370 
 
371 
 
 371 
 
372 
/***************************************************************/
 372 
/***************************************************************/
373 
/* Character-console functions */
 373 
/* Character-console functions */
374 
 
 374 
 
375 
/** Draw character at given position
 375 
/** Draw character at given position
376 
 *
 376 
 *
377 
 * @param vport Viewport where the character is printed
 377 
 * @param vport Viewport where the character is printed
378 
 * @param sx Coordinates of top-left of the character
 378 
 * @param sx Coordinates of top-left of the character
379 
 * @param sy Coordinates of top-left of the character
 379 
 * @param sy Coordinates of top-left of the character
380 
 * @param style Color of the character
 380 
 * @param style Color of the character
381 
 * @param transparent If false, print background color
 381 
 * @param transparent If false, print background color
382 
 */
 382 
 */
383 
static void draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx, unsigned int sy,
 383 
static void draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx, unsigned int sy,
384 
               style_t style, int transparent)
 384 
               style_t style, int transparent)
385 
{
 385 
{
386 
    int i;
 386 
    int i;
387 
    unsigned int y;
 387 
    unsigned int y;
388 
    unsigned int glline;
 388 
    unsigned int glline;
389 
 
 389 
 
390 
    for (y = 0; y < FONT_SCANLINES; y++) {
 390 
    for (y = 0; y < FONT_SCANLINES; y++) {
391 
        glline = fb_font[glyph * FONT_SCANLINES + y];
 391 
        glline = fb_font[glyph * FONT_SCANLINES + y];
392 
        for (i = 0; i < 8; i++) {
 392 
        for (i = 0; i < 8; i++) {
393 
            if (glline & (1 << (7 - i)))
 393 
            if (glline & (1 << (7 - i)))
394 
                putpixel(vport, sx + i, sy + y, style.fg_color);
 394 
                putpixel(vport, sx + i, sy + y, style.fg_color);
395 
            else if (!transparent)
 395 
            else if (!transparent)
396 
                putpixel(vport, sx + i, sy + y, style.bg_color);
 396 
                putpixel(vport, sx + i, sy + y, style.bg_color);
397 
        }
 397 
        }
398 
    }
 398 
    }
399 
}
 399 
}
400 
 
 400 
 
401 
/** Invert character at given position */
 401 
/** Invert character at given position */
402 
static void invert_char(viewport_t *vport,unsigned int row, unsigned int col)
 402 
static void invert_char(viewport_t *vport,unsigned int row, unsigned int col)
403 
{
 403 
{
404 
    unsigned int x;
 404 
    unsigned int x;
405 
    unsigned int y;
 405 
    unsigned int y;
406 
 
 406 
 
407 
    for (x = 0; x < COL_WIDTH; x++)
 407 
    for (x = 0; x < COL_WIDTH; x++)
408 
        for (y = 0; y < FONT_SCANLINES; y++)
 408 
        for (y = 0; y < FONT_SCANLINES; y++)
409 
            invert_pixel(vport, col * COL_WIDTH + x, row * FONT_SCANLINES + y);
 409 
            invert_pixel(vport, col * COL_WIDTH + x, row * FONT_SCANLINES + y);
410 
}
 410 
}
411 
 
 411 
 
412 
/***************************************************************/
 412 
/***************************************************************/
413 
/* Stdout specific functions */
 413 
/* Stdout specific functions */
414 
 
 414 
 
415 
 
 415 
 
416 
/** Create new viewport
 416 
/** Create new viewport
417 
 *
 417 
 *
418 
 * @return New viewport number
 418 
 * @return New viewport number
419 
 */
 419 
 */
420 
static int viewport_create(unsigned int x, unsigned int y,unsigned int width,
 420 
static int viewport_create(unsigned int x, unsigned int y,unsigned int width,
421 
               unsigned int height)
 421 
               unsigned int height)
422 
{
 422 
{
423 
    int i;
 423 
    int i;
424 
 
 424 
 
425 
    for (i=0; i < MAX_VIEWPORTS; i++) {
 425 
    for (i=0; i < MAX_VIEWPORTS; i++) {
426 
        if (!viewports[i].initialized)
 426 
        if (!viewports[i].initialized)
427 
            break;
 427 
            break;
428 
    }
 428 
    }
429 
    if (i == MAX_VIEWPORTS)
 429 
    if (i == MAX_VIEWPORTS)
430 
        return ELIMIT;
 430 
        return ELIMIT;
431 
 
 431 
 
432 
    viewports[i].x = x;
 432 
    viewports[i].x = x;
433 
    viewports[i].y = y;
 433 
    viewports[i].y = y;
434 
    viewports[i].width = width;
 434 
    viewports[i].width = width;
435 
    viewports[i].height = height;
 435 
    viewports[i].height = height;
436 
   
 436 
   
437 
    viewports[i].rows = height / FONT_SCANLINES;
 437 
    viewports[i].rows = height / FONT_SCANLINES;
438 
    viewports[i].cols = width / COL_WIDTH;
 438 
    viewports[i].cols = width / COL_WIDTH;
439 
 
 439 
 
440 
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
 440 
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
441 
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
 441 
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
442 
   
 442 
   
443 
    viewports[i].cur_col = 0;
 443 
    viewports[i].cur_col = 0;
444 
    viewports[i].cur_row = 0;
 444 
    viewports[i].cur_row = 0;
445 
    viewports[i].cursor_active = 0;
 445 
    viewports[i].cursor_active = 0;
446 
 
 446 
 
447 
    viewports[i].initialized = 1;
 447 
    viewports[i].initialized = 1;
448 
 
 448 
 
449 
    return i;
 449 
    return i;
450 
}
 450 
}
451 
 
 451 
 
452 
 
 452 
 
453 
/** Initialize framebuffer as a chardev output device
 453 
/** Initialize framebuffer as a chardev output device
454 
 *
 454 
 *
455 
 * @param addr Address of theframebuffer
 455 
 * @param addr Address of theframebuffer
456 
 * @param xres Screen width in pixels
 456 
 * @param xres Screen width in pixels
457 
 * @param yres Screen height in pixels
 457 
 * @param yres Screen height in pixels
458 
 * @param bpp  Bits per pixel (8, 16, 24, 32)
 458 
 * @param bpp  Bits per pixel (8, 16, 24, 32)
459 
 * @param scan Bytes per one scanline
 459 
 * @param scan Bytes per one scanline
460 
 * @param align Alignment for 24bpp mode.
 460 
 * @param align Alignment for 24bpp mode.
461 
 * @param invert_colors Inverted colors.
 461 
 * @param invert_colors Inverted colors.
462 
 *
 462 
 *
463 
 */
 463 
 */
464 
static void
 464 
static void
465 
screen_init(void *addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan,
 465 
screen_init(void *addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan,
466 
    int align, int invert_colors)
 466 
    int align, int invert_colors)
467 
{
 467 
{
468 
    switch (bpp) {
 468 
    switch (bpp) {
469 
    case 8:
 469 
    case 8:
470 
        screen.rgb2scr = rgb_1byte;
 470 
        screen.rgb2scr = rgb_1byte;
471 
        screen.scr2rgb = byte1_rgb;
 471 
        screen.scr2rgb = byte1_rgb;
472 
        screen.pixelbytes = 1;
 472 
        screen.pixelbytes = 1;
473 
        break;
 473 
        break;
474 
    case 16:
 474 
    case 16:
475 
        screen.rgb2scr = rgb_2byte;
 475 
        screen.rgb2scr = rgb_2byte;
476 
        screen.scr2rgb = byte2_rgb;
 476 
        screen.scr2rgb = byte2_rgb;
477 
        screen.pixelbytes = 2;
 477 
        screen.pixelbytes = 2;
478 
        break;
 478 
        break;
479 
    case 24:
 479 
    case 24:
480 
        screen.rgb2scr = rgb_3byte;
 480 
        screen.rgb2scr = rgb_3byte;
481 
        screen.scr2rgb = byte3_rgb;
 481 
        screen.scr2rgb = byte3_rgb;
482 
        if (!align)
 482 
        if (!align)
483 
            screen.pixelbytes = 3;
 483 
            screen.pixelbytes = 3;
484 
        else
 484 
        else
485 
            screen.pixelbytes = 4;
 485 
            screen.pixelbytes = 4;
486 
        break;
 486 
        break;
487 
    case 32:
 487 
    case 32:
488 
        screen.rgb2scr = rgb_4byte;
 488 
        screen.rgb2scr = rgb_4byte;
489 
        screen.scr2rgb = byte4_rgb;
 489 
        screen.scr2rgb = byte4_rgb;
490 
        screen.pixelbytes = 4;
 490 
        screen.pixelbytes = 4;
491 
        break;
 491 
        break;
492 
    }
 492 
    }
493 
 
 493 
 
494 
    screen.fbaddress = (unsigned char *) addr;
 494 
    screen.fbaddress = (unsigned char *) addr;
495 
    screen.xres = xres;
 495 
    screen.xres = xres;
496 
    screen.yres = yres;
 496 
    screen.yres = yres;
497 
    screen.scanline = scan;
 497 
    screen.scanline = scan;
498 
    screen.invert_colors = invert_colors;
 498 
    screen.invert_colors = invert_colors;
499 
   
 499 
   
500 
    /* Create first viewport */
 500 
    /* Create first viewport */
501 
    viewport_create(0,0,xres,yres);
 501 
    viewport_create(0,0,xres,yres);
502 
}
 502 
}
503 
 
 503 
 
504 
/** Hide cursor if it is shown */
 504 
/** Hide cursor if it is shown */
505 
static void cursor_hide(viewport_t *vport)
 505 
static void cursor_hide(viewport_t *vport)
506 
{
 506 
{
507 
    if (vport->cursor_active && vport->cursor_shown) {
 507 
    if (vport->cursor_active && vport->cursor_shown) {
508 
        invert_char(vport, vport->cur_row, vport->cur_col);
 508 
        invert_char(vport, vport->cur_row, vport->cur_col);
509 
        vport->cursor_shown = 0;
 509 
        vport->cursor_shown = 0;
510 
    }
 510 
    }
511 
}
 511 
}
512 
 
 512 
 
513 
/** Show cursor if cursor showing is enabled */
 513 
/** Show cursor if cursor showing is enabled */
514 
static void cursor_print(viewport_t *vport)
 514 
static void cursor_print(viewport_t *vport)
515 
{
 515 
{
516 
    /* Do not check for cursor_shown */
 516 
    /* Do not check for cursor_shown */
517 
    if (vport->cursor_active) {
 517 
    if (vport->cursor_active) {
518 
        invert_char(vport, vport->cur_row, vport->cur_col);
 518 
        invert_char(vport, vport->cur_row, vport->cur_col);
519 
        vport->cursor_shown = 1;
 519 
        vport->cursor_shown = 1;
520 
    }
 520 
    }
521 
}
 521 
}
522 
 
 522 
 
523 
/** Invert cursor, if it is enabled */
 523 
/** Invert cursor, if it is enabled */
524 
static void cursor_blink(viewport_t *vport)
 524 
static void cursor_blink(viewport_t *vport)
525 
{
 525 
{
526 
    if (vport->cursor_shown)
 526 
    if (vport->cursor_shown)
527 
        cursor_hide(vport);
 527 
        cursor_hide(vport);
528 
    else
 528 
    else
529 
        cursor_print(vport);
 529 
        cursor_print(vport);
530 
}
 530 
}
531 
 
 531 
 
532 
/** Draw character at given position relative to viewport
 532 
/** Draw character at given position relative to viewport
533 
 *
 533 
 *
534 
 * @param vport Viewport identification
 534 
 * @param vport Viewport identification
535 
 * @param c Character to print
 535 
 * @param c Character to print
536 
 * @param row Screen position relative to viewport
 536 
 * @param row Screen position relative to viewport
537 
 * @param col Screen position relative to viewport
 537 
 * @param col Screen position relative to viewport
538 
 * @param transparent If false, print background color with character
 538 
 * @param transparent If false, print background color with character
539 
 */
 539 
 */
540 
static void draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col,
 540 
static void draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col,
541 
              style_t style, int transparent)
 541 
              style_t style, int transparent)
542 
{
 542 
{
543 
    /* Optimize - do not hide cursor if we are going to overwrite it */
 543 
    /* Optimize - do not hide cursor if we are going to overwrite it */
544 
    if (vport->cursor_active && vport->cursor_shown &&
 544 
    if (vport->cursor_active && vport->cursor_shown &&
545 
        (vport->cur_col != col || vport->cur_row != row))
 545 
        (vport->cur_col != col || vport->cur_row != row))
546 
        invert_char(vport, vport->cur_row, vport->cur_col);
 546 
        invert_char(vport, vport->cur_row, vport->cur_col);
547 
   
 547 
   
548 
    draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style, transparent);
 548 
    draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style, transparent);
549 
 
 549 
 
550 
    vport->cur_col = col;
 550 
    vport->cur_col = col;
551 
    vport->cur_row = row;
 551 
    vport->cur_row = row;
552 
 
 552 
 
553 
    vport->cur_col++;
 553 
    vport->cur_col++;
554 
    if (vport->cur_col>= vport->cols) {
 554 
    if (vport->cur_col>= vport->cols) {
555 
        vport->cur_col = 0;
 555 
        vport->cur_col = 0;
556 
        vport->cur_row++;
 556 
        vport->cur_row++;
557 
        if (vport->cur_row >= vport->rows)
 557 
        if (vport->cur_row >= vport->rows)
558 
            vport->cur_row--;
 558 
            vport->cur_row--;
559 
    }
 559 
    }
560 
    cursor_print(vport);
 560 
    cursor_print(vport);
561 
}
 561 
}
562 
 
 562 
 
563 
/** Draw text data to viewport
 563 
/** Draw text data to viewport
564 
 *
 564 
 *
565 
 * @param vport Viewport id
 565 
 * @param vport Viewport id
566 
 * @param data Text data fitting exactly into viewport
 566 
 * @param data Text data fitting exactly into viewport
567 
 */
 567 
 */
568 
static void draw_text_data(viewport_t *vport, keyfield_t *data)
 568 
static void draw_text_data(viewport_t *vport, keyfield_t *data)
569 
{
 569 
{
570 
    int i;
 570 
    int i;
571 
    int col,row;
 571 
    int col,row;
572 
 
 572 
 
573 
    clear_port(vport);
 573 
    clear_port(vport);
574 
    for (i=0; i < vport->cols * vport->rows; i++) {
 574 
    for (i=0; i < vport->cols * vport->rows; i++) {
575 
        if (data[i].character == ' ' && style_same(data[i].style,vport->style))
 575 
        if (data[i].character == ' ' && style_same(data[i].style,vport->style))
576 
            continue;
 576 
            continue;
577 
        col = i % vport->cols;
 577 
        col = i % vport->cols;
578 
        row = i / vport->cols;
 578 
        row = i / vport->cols;
579 
        draw_glyph(vport, data[i].character, col * COL_WIDTH, row * FONT_SCANLINES,
 579 
        draw_glyph(vport, data[i].character, col * COL_WIDTH, row * FONT_SCANLINES,
580 
               data[i].style, style_same(data[i].style,vport->style));
 580 
               data[i].style, style_same(data[i].style,vport->style));
581 
    }
 581 
    }
582 
    cursor_print(vport);
 582 
    cursor_print(vport);
583 
}
 583 
}
584 
 
 584 
 
585 
 
 585 
 
586 
/** Return first free pixmap */
 586 
/** Return first free pixmap */
587 
static int find_free_pixmap(void)
 587 
static int find_free_pixmap(void)
588 
{
 588 
{
589 
    int i;
 589 
    int i;
590 
   
 590 
   
591 
    for (i=0;i < MAX_PIXMAPS;i++)
 591 
    for (i=0;i < MAX_PIXMAPS;i++)
592 
        if (!pixmaps[i].data)
 592 
        if (!pixmaps[i].data)
593 
            return i;
 593 
            return i;
594 
    return -1;
 594 
    return -1;
595 
}
 595 
}
596 
 
 596 
 
597 
static void putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)
 597 
static void putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)
598 
{
 598 
{
599 
    pixmap_t *pmap = &pixmaps[pm];
 599 
    pixmap_t *pmap = &pixmaps[pm];
600 
    int pos = (y * pmap->width + x) * screen.pixelbytes;
 600 
    int pos = (y * pmap->width + x) * screen.pixelbytes;
601 
 
 601 
 
602 
    (*screen.rgb2scr)(&pmap->data[pos],COLOR(color));
 602 
    (*screen.rgb2scr)(&pmap->data[pos],COLOR(color));
603 
}
 603 
}
604 
 
 604 
 
605 
/** Create a new pixmap and return appropriate ID */
 605 
/** Create a new pixmap and return appropriate ID */
606 
static int shm2pixmap(unsigned char *shm, size_t size)
 606 
static int shm2pixmap(unsigned char *shm, size_t size)
607 
{
 607 
{
608 
    int pm;
 608 
    int pm;
609 
    pixmap_t *pmap;
 609 
    pixmap_t *pmap;
610 
 
 610 
 
611 
    pm = find_free_pixmap();
 611 
    pm = find_free_pixmap();
612 
    if (pm == -1)
 612 
    if (pm == -1)
613 
        return ELIMIT;
 613 
        return ELIMIT;
614 
    pmap = &pixmaps[pm];
 614 
    pmap = &pixmaps[pm];
615 
   
 615 
   
616 
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
 616 
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
617 
        return EINVAL;
 617 
        return EINVAL;
618 
   
 618 
   
619 
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
 619 
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
620 
    if (!pmap->data)
 620 
    if (!pmap->data)
621 
        return ENOMEM;
 621 
        return ENOMEM;
622 
 
 622 
 
623 
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,
 623 
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,
624 
         (putpixel_cb_t)putpixel_pixmap, (void *)pm);
 624 
         (putpixel_cb_t)putpixel_pixmap, (void *)pm);
625 
 
 625 
 
626 
    return pm;
 626 
    return pm;
627 
}
 627 
}
628 
 
 628 
 
629 
/** Handle shared memory communication calls
 629 
/** Handle shared memory communication calls
630 
 *
 630 
 *
631 
 * Protocol for drawing pixmaps:
 631 
 * Protocol for drawing pixmaps:
632 
 * - FB_PREPARE_SHM(client shm identification)
 632 
 * - FB_PREPARE_SHM(client shm identification)
633 
 * - IPC_M_SEND_AS_AREA
 633 
 * - IPC_M_SEND_AS_AREA
634 
 * - FB_DRAW_PPM(startx,starty)
 634 
 * - FB_DRAW_PPM(startx,starty)
635 
 * - FB_DROP_SHM
 635 
 * - FB_DROP_SHM
636 
 *
 636 
 *
637 
 * Protocol for text drawing
 637 
 * Protocol for text drawing
638 
 * - IPC_M_SEND_AS_AREA
 638 
 * - IPC_M_SEND_AS_AREA
639 
 * - FB_DRAW_TEXT_DATA
 639 
 * - FB_DRAW_TEXT_DATA
640 
 *
 640 
 *
641 
 * @param callid Callid of the current call
 641 
 * @param callid Callid of the current call
642 
 * @param call Current call data
 642 
 * @param call Current call data
643 
 * @param vp Active viewport
 643 
 * @param vp Active viewport
644 
 * @return 0 if the call was not handled byt this function, 1 otherwise
 644 
 * @return 0 if the call was not handled byt this function, 1 otherwise
645 
 *
 645 
 *
646 
 * note: this function is not threads safe, you would have
 646 
 * note: this function is not threads safe, you would have
647 
 * to redefine static variables with __thread
 647 
 * to redefine static variables with __thread
648 
 */
 648 
 */
649 
static int shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 649 
static int shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
650 
{
 650 
{
651 
    static keyfield_t *interbuffer = NULL;
 651 
    static keyfield_t *interbuffer = NULL;
652 
    static size_t intersize = 0;
 652 
    static size_t intersize = 0;
653 
 
 653 
 
654 
    static unsigned char *shm = NULL;
 654 
    static unsigned char *shm = NULL;
655 
    static ipcarg_t shm_id = 0;
 655 
    static ipcarg_t shm_id = 0;
656 
    static size_t shm_size;
 656 
    static size_t shm_size;
657 
 
 657 
 
658 
    int handled = 1;
 658 
    int handled = 1;
659 
    int retval = 0;
 659 
    int retval = 0;
660 
    viewport_t *vport = &viewports[vp];
 660 
    viewport_t *vport = &viewports[vp];
661 
    unsigned int x,y;
 661 
    unsigned int x,y;
662 
 
 662 
 
663 
    switch (IPC_GET_METHOD(*call)) {
 663 
    switch (IPC_GET_METHOD(*call)) {
664 
    case IPC_M_AS_AREA_SEND:
 664 
    case IPC_M_AS_AREA_SEND:
665 
        /* We accept one area for data interchange */
 665 
        /* We accept one area for data interchange */
666 
        if (IPC_GET_ARG1(*call) == shm_id) {
 666 
        if (IPC_GET_ARG1(*call) == shm_id) {
667 
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
 667 
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
668 
            shm_size = IPC_GET_ARG2(*call);
 668 
            shm_size = IPC_GET_ARG2(*call);
669 
            if (!ipc_answer_fast(callid, 0, (sysarg_t)dest, 0))
 669 
            if (!ipc_answer_fast(callid, 0, (sysarg_t)dest, 0))
670 
                shm = dest;
 670 
                shm = dest;
671 
            else
 671 
            else
672 
                shm_id = 0;
 672 
                shm_id = 0;
673 
            if (shm[0] != 'P')
 673 
            if (shm[0] != 'P')
674 
                while (1)
 674 
                while (1)
675 
                    ;
 675 
                    ;
676 
            return 1;
 676 
            return 1;
677 
        } else {
 677 
        } else {
678 
            intersize = IPC_GET_ARG2(*call);
 678 
            intersize = IPC_GET_ARG2(*call);
679 
            receive_comm_area(callid,call,(void *)&interbuffer);
 679 
            receive_comm_area(callid,call,(void *)&interbuffer);
680 
        }
 680 
        }
681 
        return 1;
 681 
        return 1;
682 
    case FB_PREPARE_SHM:
 682 
    case FB_PREPARE_SHM:
683 
        if (shm_id)
 683 
        if (shm_id)
684 
            retval = EBUSY;
 684 
            retval = EBUSY;
685 
        else
 685 
        else
686 
            shm_id = IPC_GET_ARG1(*call);
 686 
            shm_id = IPC_GET_ARG1(*call);
687 
        break;
 687 
        break;
688 
       
 688 
       
689 
    case FB_DROP_SHM:
 689 
    case FB_DROP_SHM:
690 
        if (shm) {
 690 
        if (shm) {
691 
            as_area_destroy(shm);
 691 
            as_area_destroy(shm);
692 
            shm = NULL;
 692 
            shm = NULL;
693 
        }
 693 
        }
694 
        shm_id = 0;
 694 
        shm_id = 0;
695 
        break;
 695 
        break;
696 
 
 696 
 
697 
    case FB_SHM2PIXMAP:
 697 
    case FB_SHM2PIXMAP:
698 
        if (!shm) {
 698 
        if (!shm) {
699 
            retval = EINVAL;
 699 
            retval = EINVAL;
700 
            break;
 700 
            break;
701 
        }
 701 
        }
702 
        retval = shm2pixmap(shm, shm_size);
 702 
        retval = shm2pixmap(shm, shm_size);
703 
        break;
 703 
        break;
704 
    case FB_DRAW_PPM:
 704 
    case FB_DRAW_PPM:
705 
        if (!shm) {
 705 
        if (!shm) {
706 
            retval = EINVAL;
 706 
            retval = EINVAL;
707 
            break;
 707 
            break;
708 
        }
 708 
        }
709 
        x = IPC_GET_ARG1(*call);
 709 
        x = IPC_GET_ARG1(*call);
710 
        y = IPC_GET_ARG2(*call);
 710 
        y = IPC_GET_ARG2(*call);
711 
        if (x > vport->width || y > vport->height) {
 711 
        if (x > vport->width || y > vport->height) {
712 
            retval = EINVAL;
 712 
            retval = EINVAL;
713 
            break;
 713 
            break;
714 
        }
 714 
        }
715 
       
 715 
       
716 
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call), IPC_GET_ARG2(*call),
 716 
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call), IPC_GET_ARG2(*call),
717 
             vport->width - x, vport->height - y, (putpixel_cb_t)putpixel, vport);
 717 
             vport->width - x, vport->height - y, (putpixel_cb_t)putpixel, vport);
718 
        break;
 718 
        break;
719 
    case FB_DRAW_TEXT_DATA:
 719 
    case FB_DRAW_TEXT_DATA:
720 
        if (!interbuffer) {
 720 
        if (!interbuffer) {
721 
            retval = EINVAL;
 721 
            retval = EINVAL;
722 
            break;
 722 
            break;
723 
        }
 723 
        }
724 
        if (intersize < vport->cols*vport->rows*sizeof(*interbuffer)) {
 724 
        if (intersize < vport->cols*vport->rows*sizeof(*interbuffer)) {
725 
            retval = EINVAL;
 725 
            retval = EINVAL;
726 
            break;
 726 
            break;
727 
        }
 727 
        }
728 
        draw_text_data(vport, interbuffer);
 728 
        draw_text_data(vport, interbuffer);
729 
        break;
 729 
        break;
730 
    default:
 730 
    default:
731 
        handled = 0;
 731 
        handled = 0;
732 
    }
 732 
    }
733 
   
 733 
   
734 
    if (handled)
 734 
    if (handled)
735 
        ipc_answer_fast(callid, retval, 0, 0);
 735 
        ipc_answer_fast(callid, retval, 0, 0);
736 
    return handled;
 736 
    return handled;
737 
}
 737 
}
738 
 
 738 
 
739 
static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
 739 
static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
740 
{
 740 
{
741 
    int y;
 741 
    int y;
742 
    int rowsize;
 742 
    int rowsize;
743 
    int tmp;
 743 
    int tmp;
744 
    int width = vport->width;
 744 
    int width = vport->width;
745 
    int height = vport->height;
 745 
    int height = vport->height;
746 
 
 746 
 
747 
    if (width + vport->x > screen.xres)
 747 
    if (width + vport->x > screen.xres)
748 
        width = screen.xres - vport->x;
 748 
        width = screen.xres - vport->x;
749 
    if (height + vport->y  > screen.yres)
 749 
    if (height + vport->y  > screen.yres)
750 
        height = screen.yres - vport->y;
 750 
        height = screen.yres - vport->y;
751 
 
 751 
 
752 
    rowsize = width * screen.pixelbytes;
 752 
    rowsize = width * screen.pixelbytes;
753 
 
 753 
 
754 
    for (y=0;y < height; y++) {
 754 
    for (y=0;y < height; y++) {
755 
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
 755 
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
756 
        memcpy(pmap->data + rowsize*y, screen.fbaddress + tmp, rowsize);
 756 
        memcpy(pmap->data + rowsize*y, screen.fbaddress + tmp, rowsize);
757 
    }
 757 
    }
758 
}
 758 
}
759 
 
 759 
 
760 
/** Save viewport to pixmap */
 760 
/** Save viewport to pixmap */
761 
static int save_vp_to_pixmap(viewport_t *vport)
 761 
static int save_vp_to_pixmap(viewport_t *vport)
762 
{
 762 
{
763 
    int pm;
 763 
    int pm;
764 
    pixmap_t *pmap;
 764 
    pixmap_t *pmap;
765 
 
 765 
 
766 
    pm = find_free_pixmap();
 766 
    pm = find_free_pixmap();
767 
    if (pm == -1)
 767 
    if (pm == -1)
768 
        return ELIMIT;
 768 
        return ELIMIT;
769 
   
 769 
   
770 
    pmap = &pixmaps[pm];
 770 
    pmap = &pixmaps[pm];
771 
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
 771 
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
772 
    if (!pmap->data)
 772 
    if (!pmap->data)
773 
        return ENOMEM;
 773 
        return ENOMEM;
774 
 
 774 
 
775 
    pmap->width = vport->width;
 775 
    pmap->width = vport->width;
776 
    pmap->height = vport->height;
 776 
    pmap->height = vport->height;
777 
 
 777 
 
778 
    copy_vp_to_pixmap(vport, pmap);
 778 
    copy_vp_to_pixmap(vport, pmap);
779 
   
 779 
   
780 
    return pm;
 780 
    return pm;
781 
}
 781 
}
782 
 
 782 
 
783 
/** Draw pixmap on screen
 783 
/** Draw pixmap on screen
784 
 *
 784 
 *
785 
 * @param vp Viewport to draw on
 785 
 * @param vp Viewport to draw on
786 
 * @param pm Pixmap identifier
 786 
 * @param pm Pixmap identifier
787 
 */
 787 
 */
788 
static int draw_pixmap(int vp, int pm)
 788 
static int draw_pixmap(int vp, int pm)
789 
{
 789 
{
790 
    pixmap_t *pmap = &pixmaps[pm];
 790 
    pixmap_t *pmap = &pixmaps[pm];
791 
    viewport_t *vport = &viewports[vp];
 791 
    viewport_t *vport = &viewports[vp];
792 
    int y;
 792 
    int y;
793 
    int tmp, srcrowsize;
 793 
    int tmp, srcrowsize;
794 
    int realwidth, realheight, realrowsize;
 794 
    int realwidth, realheight, realrowsize;
795 
    int width = vport->width;
 795 
    int width = vport->width;
796 
    int height = vport->height;
 796 
    int height = vport->height;
797 
 
 797 
 
798 
    if (width + vport->x > screen.xres)
 798 
    if (width + vport->x > screen.xres)
799 
        width = screen.xres - vport->x;
 799 
        width = screen.xres - vport->x;
800 
    if (height + vport->y > screen.yres)
 800 
    if (height + vport->y > screen.yres)
801 
        height = screen.yres - vport->y;
 801 
        height = screen.yres - vport->y;
802 
 
 802 
 
803 
    if (!pmap->data)
 803 
    if (!pmap->data)
804 
        return EINVAL;
 804 
        return EINVAL;
805 
 
 805 
 
806 
    realwidth = pmap->width <= width ? pmap->width : width;
 806 
    realwidth = pmap->width <= width ? pmap->width : width;
807 
    realheight = pmap->height <= height ? pmap->height : height;
 807 
    realheight = pmap->height <= height ? pmap->height : height;
808 
 
 808 
 
809 
    srcrowsize = vport->width * screen.pixelbytes;
 809 
    srcrowsize = vport->width * screen.pixelbytes;
810 
    realrowsize = realwidth * screen.pixelbytes;
 810 
    realrowsize = realwidth * screen.pixelbytes;
811 
 
 811 
 
812 
    for (y=0; y < realheight; y++) {
 812 
    for (y=0; y < realheight; y++) {
813 
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
 813 
        tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
814 
        memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize, realrowsize);
 814 
        memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize, realrowsize);
815 
    }
 815 
    }
816 
    return 0;
 816 
    return 0;
817 
}
 817 
}
818 
 
 818 
 
819 
/** Tick animation one step forward */
 819 
/** Tick animation one step forward */
820 
static void anims_tick(void)
 820 
static void anims_tick(void)
821 
{
 821 
{
822 
    int i;
 822 
    int i;
823 
    static int counts = 0;
 823 
    static int counts = 0;
824 
   
 824 
   
825 
    /* Limit redrawing */
 825 
    /* Limit redrawing */
826 
    counts = (counts+1) % 8;
 826 
    counts = (counts+1) % 8;
827 
    if (counts)
 827 
    if (counts)
828 
        return;
 828 
        return;
829 
 
 829 
 
830 
    for (i=0; i < MAX_ANIMATIONS; i++) {
 830 
    for (i=0; i < MAX_ANIMATIONS; i++) {
831 
        if (!animations[i].animlen || !animations[i].initialized || !animations[i].enabled)
 831 
        if (!animations[i].animlen || !animations[i].initialized || !animations[i].enabled)
832 
            continue;
 832 
            continue;
833 
        draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
 833 
        draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
834 
        animations[i].pos = (animations[i].pos+1) % animations[i].animlen;
 834 
        animations[i].pos = (animations[i].pos+1) % animations[i].animlen;
835 
    }
 835 
    }
836 
}
 836 
}
837 
 
 837 
 
838 
 
 838 
 
839 
static int pointer_x, pointer_y;
 839 
static int pointer_x, pointer_y;
840 
static int pointer_shown, pointer_enabled;
 840 
static int pointer_shown, pointer_enabled;
841 
static int pointer_vport = -1;
 841 
static int pointer_vport = -1;
842 
static int pointer_pixmap = -1;
 842 
static int pointer_pixmap = -1;
843 
 
 843 
 
844 
static void mouse_show(void)
 844 
static void mouse_show(void)
845 
{
 845 
{
846 
    int i,j;
 846 
    int i,j;
847 
    int visibility;
 847 
    int visibility;
848 
    int color;
 848 
    int color;
849 
    int bytepos;
 849 
    int bytepos;
850 
 
 850 
 
851 
    if (pointer_shown || !pointer_enabled)
 851 
    if (pointer_shown || !pointer_enabled)
852 
        return;
 852 
        return;
853 
 
 853 
 
854 
    /* Save image under the cursor */
 854 
    /* Save image under the cursor */
855 
    if (pointer_vport == -1) {
 855 
    if (pointer_vport == -1) {
856 
        pointer_vport = viewport_create(pointer_x, pointer_y, pointer_width, pointer_height);
 856 
        pointer_vport = viewport_create(pointer_x, pointer_y, pointer_width, pointer_height);
857 
        if (pointer_vport < 0)
 857 
        if (pointer_vport < 0)
858 
            return;
 858 
            return;
859 
    } else {
 859 
    } else {
860 
        viewports[pointer_vport].x = pointer_x;
 860 
        viewports[pointer_vport].x = pointer_x;
861 
        viewports[pointer_vport].y = pointer_y;
 861 
        viewports[pointer_vport].y = pointer_y;
862 
    }
 862 
    }
863 
 
 863 
 
864 
    if (pointer_pixmap == -1)
 864 
    if (pointer_pixmap == -1)
865 
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
 865 
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
866 
    else
 866 
    else
867 
        copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
 867 
        copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
868 
 
 868 
 
869 
    /* Draw cursor */
 869 
    /* Draw cursor */
870 
    for (i=0; i < pointer_height; i++)
 870 
    for (i=0; i < pointer_height; i++)
871 
        for (j=0;j < pointer_width; j++) {
 871 
        for (j=0;j < pointer_width; j++) {
872 
            bytepos = i*((pointer_width-1)/8+1) + j/8;
 872 
            bytepos = i*((pointer_width-1)/8+1) + j/8;
873 
            visibility = pointer_mask_bits[bytepos] & (1 << (j % 8));
 873 
            visibility = pointer_mask_bits[bytepos] & (1 << (j % 8));
874 
            if (visibility) {
 874 
            if (visibility) {
875 
                color = pointer_bits[bytepos] & (1 << (j % 8)) ? 0 : 0xffffff;
 875 
                color = pointer_bits[bytepos] & (1 << (j % 8)) ? 0 : 0xffffff;
876 
                if (pointer_x+j < screen.xres && pointer_y+i < screen.yres)
 876 
                if (pointer_x+j < screen.xres && pointer_y+i < screen.yres)
877 
                    putpixel(&viewports[0], pointer_x+j, pointer_y+i, color);
 877 
                    putpixel(&viewports[0], pointer_x+j, pointer_y+i, color);
878 
            }
 878 
            }
879 
        }
 879 
        }
880 
    pointer_shown = 1;
 880 
    pointer_shown = 1;
881 
}
 881 
}
882 
 
 882 
 
883 
static void mouse_hide(void)
 883 
static void mouse_hide(void)
884 
{
 884 
{
885 
    /* Restore image under the cursor */
 885 
    /* Restore image under the cursor */
886 
    if (pointer_shown) {
 886 
    if (pointer_shown) {
887 
        draw_pixmap(pointer_vport, pointer_pixmap);
 887 
        draw_pixmap(pointer_vport, pointer_pixmap);
888 
        pointer_shown = 0;
 888 
        pointer_shown = 0;
889 
    }
 889 
    }
890 
}
 890 
}
891 
 
 891 
 
892 
static void mouse_move(unsigned int x, unsigned int y)
 892 
static void mouse_move(unsigned int x, unsigned int y)
893 
{
 893 
{
894 
    mouse_hide();
 894 
    mouse_hide();
895 
    pointer_x = x;
 895 
    pointer_x = x;
896 
    pointer_y = y;
 896 
    pointer_y = y;
897 
    mouse_show();
 897 
    mouse_show();
898 
}
 898 
}
899 
 
 899 
 
900 
static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 900 
static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
901 
{
 901 
{
902 
    int handled = 1;
 902 
    int handled = 1;
903 
    int retval = 0;
 903 
    int retval = 0;
904 
    int i,nvp;
 904 
    int i,nvp;
905 
    int newval;
 905 
    int newval;
906 
 
 906 
 
907 
    switch (IPC_GET_METHOD(*call)) {
 907 
    switch (IPC_GET_METHOD(*call)) {
908 
    case FB_ANIM_CREATE:
 908 
    case FB_ANIM_CREATE:
909 
        nvp = IPC_GET_ARG1(*call);
 909 
        nvp = IPC_GET_ARG1(*call);
910 
        if (nvp == -1)
 910 
        if (nvp == -1)
911 
            nvp = vp;
 911 
            nvp = vp;
912 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
 912 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
913 
            retval = EINVAL;
 913 
            retval = EINVAL;
914 
            break;
 914 
            break;
915 
        }
 915 
        }
916 
        for (i=0; i < MAX_ANIMATIONS; i++) {
 916 
        for (i=0; i < MAX_ANIMATIONS; i++) {
917 
            if (! animations[i].initialized)
 917 
            if (! animations[i].initialized)
918 
                break;
 918 
                break;
919 
        }
 919 
        }
920 
        if (i == MAX_ANIMATIONS) {
 920 
        if (i == MAX_ANIMATIONS) {
921 
            retval = ELIMIT;
 921 
            retval = ELIMIT;
922 
            break;
 922 
            break;
923 
        }
 923 
        }
924 
        animations[i].initialized = 1;
 924 
        animations[i].initialized = 1;
925 
        animations[i].animlen = 0;
 925 
        animations[i].animlen = 0;
926 
        animations[i].pos = 0;
 926 
        animations[i].pos = 0;
927 
        animations[i].enabled = 0;
 927 
        animations[i].enabled = 0;
928 
        animations[i].vp = nvp;
 928 
        animations[i].vp = nvp;
929 
        retval = i;
 929 
        retval = i;
930 
        break;
 930 
        break;
931 
    case FB_ANIM_DROP:
 931 
    case FB_ANIM_DROP:
932 
        i = IPC_GET_ARG1(*call);
 932 
        i = IPC_GET_ARG1(*call);
933 
        if (i >= MAX_ANIMATIONS || i < 0) {
 933 
        if (i >= MAX_ANIMATIONS || i < 0) {
934 
            retval = EINVAL;
 934 
            retval = EINVAL;
935 
            break;
 935 
            break;
936 
        }
 936 
        }
937 
        animations[i].initialized = 0;
 937 
        animations[i].initialized = 0;
938 
        break;
 938 
        break;
939 
    case FB_ANIM_ADDPIXMAP:
 939 
    case FB_ANIM_ADDPIXMAP:
940 
        i = IPC_GET_ARG1(*call);
 940 
        i = IPC_GET_ARG1(*call);
941 
        if (i >= MAX_ANIMATIONS || i < 0 || !animations[i].initialized) {
 941 
        if (i >= MAX_ANIMATIONS || i < 0 || !animations[i].initialized) {
942 
            retval = EINVAL;
 942 
            retval = EINVAL;
943 
            break;
 943 
            break;
944 
        }
 944 
        }
945 
        if (animations[i].animlen == MAX_ANIM_LEN) {
 945 
        if (animations[i].animlen == MAX_ANIM_LEN) {
946 
            retval = ELIMIT;
 946 
            retval = ELIMIT;
947 
            break;
 947 
            break;
948 
        }
 948 
        }
949 
        newval = IPC_GET_ARG2(*call);
 949 
        newval = IPC_GET_ARG2(*call);
950 
        if (newval < 0 || newval > MAX_PIXMAPS || !pixmaps[newval].data) {
 950 
        if (newval < 0 || newval > MAX_PIXMAPS || !pixmaps[newval].data) {
951 
            retval = EINVAL;
 951 
            retval = EINVAL;
952 
            break;
 952 
            break;
953 
        }
 953 
        }
954 
        animations[i].pixmaps[animations[i].animlen++] = newval;
 954 
        animations[i].pixmaps[animations[i].animlen++] = newval;
955 
        break;
 955 
        break;
956 
    case FB_ANIM_CHGVP:
 956 
    case FB_ANIM_CHGVP:
957 
        i = IPC_GET_ARG1(*call);
 957 
        i = IPC_GET_ARG1(*call);
958 
        if (i >= MAX_ANIMATIONS || i < 0) {
 958 
        if (i >= MAX_ANIMATIONS || i < 0) {
959 
            retval = EINVAL;
 959 
            retval = EINVAL;
960 
            break;
 960 
            break;
961 
        }
 961 
        }
962 
        nvp = IPC_GET_ARG2(*call);
 962 
        nvp = IPC_GET_ARG2(*call);
963 
        if (nvp == -1)
 963 
        if (nvp == -1)
964 
            nvp = vp;
 964 
            nvp = vp;
965 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
 965 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 || !viewports[nvp].initialized) {
966 
            retval = EINVAL;
 966 
            retval = EINVAL;
967 
            break;
 967 
            break;
968 
        }
 968 
        }
969 
        animations[i].vp = nvp;
 969 
        animations[i].vp = nvp;
970 
        break;
 970 
        break;
971 
    case FB_ANIM_START:
 971 
    case FB_ANIM_START:
972 
    case FB_ANIM_STOP:
 972 
    case FB_ANIM_STOP:
973 
        i = IPC_GET_ARG1(*call);
 973 
        i = IPC_GET_ARG1(*call);
974 
        if (i >= MAX_ANIMATIONS || i < 0) {
 974 
        if (i >= MAX_ANIMATIONS || i < 0) {
975 
            retval = EINVAL;
 975 
            retval = EINVAL;
976 
            break;
 976 
            break;
977 
        }
 977 
        }
978 
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
 978 
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
979 
        if (newval ^ animations[i].enabled) {
 979 
        if (newval ^ animations[i].enabled) {
980 
            animations[i].enabled = newval;
 980 
            animations[i].enabled = newval;
981 
            anims_enabled += newval ? 1 : -1;
 981 
            anims_enabled += newval ? 1 : -1;
982 
        }
 982 
        }
983 
        break;
 983 
        break;
984 
    default:
 984 
    default:
985 
        handled = 0;
 985 
        handled = 0;
986 
    }
 986 
    }
987 
    if (handled)
 987 
    if (handled)
988 
        ipc_answer_fast(callid, retval, 0, 0);
 988 
        ipc_answer_fast(callid, retval, 0, 0);
989 
    return handled;
 989 
    return handled;
990 
}
 990 
}
991 
 
 991 
 
992 
/** Handler for messages concerning pixmap handling */
 992 
/** Handler for messages concerning pixmap handling */
993 
static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 993 
static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
994 
{
 994 
{
995 
    int handled = 1;
 995 
    int handled = 1;
996 
    int retval = 0;
 996 
    int retval = 0;
997 
    int i,nvp;
 997 
    int i,nvp;
998 
 
 998 
 
999 
    switch (IPC_GET_METHOD(*call)) {
 999 
    switch (IPC_GET_METHOD(*call)) {
1000 
    case FB_VP_DRAW_PIXMAP:
 1000 
    case FB_VP_DRAW_PIXMAP:
1001 
        nvp = IPC_GET_ARG1(*call);
 1001 
        nvp = IPC_GET_ARG1(*call);
1002 
        if (nvp == -1)
 1002 
        if (nvp == -1)
1003 
            nvp = vp;
 1003 
            nvp = vp;
1004 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized) {
 1004 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized) {
1005 
            retval = EINVAL;
 1005 
            retval = EINVAL;
1006 
            break;
 1006 
            break;
1007 
        }
 1007 
        }
1008 
        i = IPC_GET_ARG2(*call);
 1008 
        i = IPC_GET_ARG2(*call);
1009 
        retval = draw_pixmap(nvp, i);
 1009 
        retval = draw_pixmap(nvp, i);
1010 
        break;
 1010 
        break;
1011 
    case FB_VP2PIXMAP:
 1011 
    case FB_VP2PIXMAP:
1012 
        nvp = IPC_GET_ARG1(*call);
 1012 
        nvp = IPC_GET_ARG1(*call);
1013 
        if (nvp == -1)
 1013 
        if (nvp == -1)
1014 
            nvp = vp;
 1014 
            nvp = vp;
1015 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized)
 1015 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized)
1016 
            retval = EINVAL;
 1016 
            retval = EINVAL;
1017 
        else
 1017 
        else
1018 
            retval = save_vp_to_pixmap(&viewports[nvp]);
 1018 
            retval = save_vp_to_pixmap(&viewports[nvp]);
1019 
        break;
 1019 
        break;
1020 
    case FB_DROP_PIXMAP:
 1020 
    case FB_DROP_PIXMAP:
1021 
        i = IPC_GET_ARG1(*call);
 1021 
        i = IPC_GET_ARG1(*call);
1022 
        if (i >= MAX_PIXMAPS) {
 1022 
        if (i >= MAX_PIXMAPS) {
1023 
            retval = EINVAL;
 1023 
            retval = EINVAL;
1024 
            break;
 1024 
            break;
1025 
        }
 1025 
        }
1026 
        if (pixmaps[i].data) {
 1026 
        if (pixmaps[i].data) {
1027 
            free(pixmaps[i].data);
 1027 
            free(pixmaps[i].data);
1028 
            pixmaps[i].data = NULL;
 1028 
            pixmaps[i].data = NULL;
1029 
        }
 1029 
        }
1030 
        break;
 1030 
        break;
1031 
    default:
 1031 
    default:
1032 
        handled = 0;
 1032 
        handled = 0;
1033 
    }
 1033 
    }
1034 
 
 1034 
 
1035 
    if (handled)
 1035 
    if (handled)
1036 
        ipc_answer_fast(callid, retval, 0, 0);
 1036 
        ipc_answer_fast(callid, retval, 0, 0);
1037 
    return handled;
 1037 
    return handled;
1038 
   
 1038 
   
1039 
}
 1039 
}
1040 
 
 1040 
 
1041 
/** Function for handling connections to FB
 1041 
/** Function for handling connections to FB
1042 
 *
 1042 
 *
1043 
 */
 1043 
 */
1044 
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
 1044 
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1045 
{
 1045 
{
1046 
    ipc_callid_t callid;
 1046 
    ipc_callid_t callid;
1047 
    ipc_call_t call;
 1047 
    ipc_call_t call;
1048 
    int retval;
 1048 
    int retval;
1049 
    int i;
 1049 
    int i;
1050 
    unsigned int row,col;
 1050 
    unsigned int row,col;
1051 
    char c;
 1051 
    char c;
1052 
 
 1052 
 
1053 
    int vp = 0;
 1053 
    int vp = 0;
1054 
    viewport_t *vport = &viewports[0];
 1054 
    viewport_t *vport = &viewports[0];
1055 
 
 1055 
 
1056 
    if (client_connected) {
 1056 
    if (client_connected) {
1057 
        ipc_answer_fast(iid, ELIMIT, 0,0);
 1057 
        ipc_answer_fast(iid, ELIMIT, 0,0);
1058 
        return;
 1058 
        return;
1059 
    }
 1059 
    }
1060 
    client_connected = 1;
 1060 
    client_connected = 1;
1061 
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
 1061 
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
1062 
 
 1062 
 
1063 
    while (1) {
 1063 
    while (1) {
1064 
        if (vport->cursor_active || anims_enabled)
 1064 
        if (vport->cursor_active || anims_enabled)
1065 
            callid = async_get_call_timeout(&call,250000);
 1065 
            callid = async_get_call_timeout(&call,250000);
1066 
        else
 1066 
        else
1067 
            callid = async_get_call(&call);
 1067 
            callid = async_get_call(&call);
1068 
 
 1068 
 
1069 
        mouse_hide();
 1069 
        mouse_hide();
1070 
        if (!callid) {
 1070 
        if (!callid) {
1071 
            cursor_blink(vport);
 1071 
            cursor_blink(vport);
1072 
            anims_tick();
 1072 
            anims_tick();
1073 
            mouse_show();
 1073 
            mouse_show();
1074 
            continue;
 1074 
            continue;
1075 
        }
 1075 
        }
1076 
        if (shm_handle(callid, &call, vp))
 1076 
        if (shm_handle(callid, &call, vp))
1077 
            continue;
 1077 
            continue;
1078 
        if (pixmap_handle(callid, &call, vp))
 1078 
        if (pixmap_handle(callid, &call, vp))
1079 
            continue;
 1079 
            continue;
1080 
        if (anim_handle(callid, &call, vp))
 1080 
        if (anim_handle(callid, &call, vp))
1081 
            continue;
 1081 
            continue;
1082 
 
 1082 
 
1083 
        switch (IPC_GET_METHOD(call)) {
 1083 
        switch (IPC_GET_METHOD(call)) {
1084 
        case IPC_M_PHONE_HUNGUP:
 1084 
        case IPC_M_PHONE_HUNGUP:
1085 
            client_connected = 0;
 1085 
            client_connected = 0;
1086 
            /* cleanup other viewports */
 1086 
            /* cleanup other viewports */
1087 
            for (i=1; i < MAX_VIEWPORTS; i++)
 1087 
            for (i=1; i < MAX_VIEWPORTS; i++)
1088 
                vport->initialized = 0;
 1088 
                vport->initialized = 0;
1089 
            return; /* Exit thread */
 1089 
            return; /* Exit thread */
1090 
 
 1090 
 
1091 
        case FB_PUTCHAR:
 1091 
        case FB_PUTCHAR:
1092 
        case FB_TRANS_PUTCHAR:
 1092 
        case FB_TRANS_PUTCHAR:
1093 
            c = IPC_GET_ARG1(call);
 1093 
            c = IPC_GET_ARG1(call);
1094 
            row = IPC_GET_ARG2(call);
 1094 
            row = IPC_GET_ARG2(call);
1095 
            col = IPC_GET_ARG3(call);
 1095 
            col = IPC_GET_ARG3(call);
1096 
            if (row >= vport->rows || col >= vport->cols) {
 1096 
            if (row >= vport->rows || col >= vport->cols) {
1097 
                retval = EINVAL;
 1097 
                retval = EINVAL;
1098 
                break;
 1098 
                break;
1099 
            }
 1099 
            }
1100 
            ipc_answer_fast(callid,0,0,0);
 1100 
            ipc_answer_fast(callid,0,0,0);
1101 
 
 1101 
 
1102 
            draw_char(vport, c, row, col, vport->style, IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);
 1102 
            draw_char(vport, c, row, col, vport->style, IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);
1103 
            continue; /* msg already answered */
 1103 
            continue; /* msg already answered */
1104 
        case FB_CLEAR:
 1104 
        case FB_CLEAR:
1105 
            clear_port(vport);
 1105 
            clear_port(vport);
1106 
            cursor_print(vport);
 1106 
            cursor_print(vport);
1107 
            retval = 0;
 1107 
            retval = 0;
1108 
            break;
 1108 
            break;
1109 
        case FB_CURSOR_GOTO:
 1109 
        case FB_CURSOR_GOTO:
1110 
            row = IPC_GET_ARG1(call);
 1110 
            row = IPC_GET_ARG1(call);
1111 
            col = IPC_GET_ARG2(call);
 1111 
            col = IPC_GET_ARG2(call);
1112 
            if (row >= vport->rows || col >= vport->cols) {
 1112 
            if (row >= vport->rows || col >= vport->cols) {
1113 
                retval = EINVAL;
 1113 
                retval = EINVAL;
1114 
                break;
 1114 
                break;
1115 
            }
 1115 
            }
1116 
            retval = 0;
 1116 
            retval = 0;
1117 
            cursor_hide(vport);
 1117 
            cursor_hide(vport);
1118 
            vport->cur_col = col;
 1118 
            vport->cur_col = col;
1119 
            vport->cur_row = row;
 1119 
            vport->cur_row = row;
1120 
            cursor_print(vport);
 1120 
            cursor_print(vport);
1121 
            break;
 1121 
            break;
1122 
        case FB_CURSOR_VISIBILITY:
 1122 
        case FB_CURSOR_VISIBILITY:
1123 
            cursor_hide(vport);
 1123 
            cursor_hide(vport);
1124 
            vport->cursor_active = IPC_GET_ARG1(call);
 1124 
            vport->cursor_active = IPC_GET_ARG1(call);
1125 
            cursor_print(vport);
 1125 
            cursor_print(vport);
1126 
            retval = 0;
 1126 
            retval = 0;
1127 
            break;
 1127 
            break;
1128 
        case FB_GET_CSIZE:
 1128 
        case FB_GET_CSIZE:
1129 
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
 1129 
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
1130 
            continue;
 1130 
            continue;
1131 
        case FB_SCROLL:
 1131 
        case FB_SCROLL:
1132 
            i = IPC_GET_ARG1(call);
 1132 
            i = IPC_GET_ARG1(call);
1133 
            if (i > vport->rows || i < (- (int)vport->rows)) {
 1133 
            if (i > vport->rows || i < (- (int)vport->rows)) {
1134 
                retval = EINVAL;
 1134 
                retval = EINVAL;
1135 
                break;
 1135 
                break;
1136 
            }
 1136 
            }
1137 
            cursor_hide(vport);
 1137 
            cursor_hide(vport);
1138 
            scroll_port(vport, i*FONT_SCANLINES);
 1138 
            scroll_port(vport, i*FONT_SCANLINES);
1139 
            cursor_print(vport);
 1139 
            cursor_print(vport);
1140 
            retval = 0;
 1140 
            retval = 0;
1141 
            break;
 1141 
            break;
1142 
        case FB_VIEWPORT_DB:
 1142 
        case FB_VIEWPORT_DB:
1143 
            /* Enable double buffering */
 1143 
            /* Enable double buffering */
1144 
            i = IPC_GET_ARG1(call);
 1144 
            i = IPC_GET_ARG1(call);
1145 
            if (i == -1)
 1145 
            if (i == -1)
1146 
                i = vp;
 1146 
                i = vp;
1147 
            if (i < 0 || i >= MAX_VIEWPORTS) {
 1147 
            if (i < 0 || i >= MAX_VIEWPORTS) {
1148 
                retval = EINVAL;
 1148 
                retval = EINVAL;
1149 
                break;
 1149 
                break;
1150 
            }
 1150 
            }
1151 
            if (! viewports[i].initialized ) {
 1151 
            if (! viewports[i].initialized ) {
1152 
                retval = EADDRNOTAVAIL;
 1152 
                retval = EADDRNOTAVAIL;
1153 
                break;
 1153 
                break;
1154 
            }
 1154 
            }
1155 
            viewports[i].dboffset = 0;
 1155 
            viewports[i].dboffset = 0;
1156 
            if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)
 1156 
            if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)
1157 
                viewports[i].dbdata = malloc(screen.pixelbytes*viewports[i].width * viewports[i].height);
 1157 
                viewports[i].dbdata = malloc(screen.pixelbytes*viewports[i].width * viewports[i].height);
1158 
            else if (IPC_GET_ARG2(call) == 0 && viewports[i].dbdata) {
 1158 
            else if (IPC_GET_ARG2(call) == 0 && viewports[i].dbdata) {
1159 
                free(viewports[i].dbdata);
 1159 
                free(viewports[i].dbdata);
1160 
                viewports[i].dbdata = NULL;
 1160 
                viewports[i].dbdata = NULL;
1161 
            }
 1161 
            }
1162 
            retval = 0;
 1162 
            retval = 0;
1163 
            break;
 1163 
            break;
1164 
        case FB_VIEWPORT_SWITCH:
 1164 
        case FB_VIEWPORT_SWITCH:
1165 
            i = IPC_GET_ARG1(call);
 1165 
            i = IPC_GET_ARG1(call);
1166 
            if (i < 0 || i >= MAX_VIEWPORTS) {
 1166 
            if (i < 0 || i >= MAX_VIEWPORTS) {
1167 
                retval = EINVAL;
 1167 
                retval = EINVAL;
1168 
                break;
 1168 
                break;
1169 
            }
 1169 
            }
1170 
            if (! viewports[i].initialized ) {
 1170 
            if (! viewports[i].initialized ) {
1171 
                retval = EADDRNOTAVAIL;
 1171 
                retval = EADDRNOTAVAIL;
1172 
                break;
 1172 
                break;
1173 
            }
 1173 
            }
1174 
            cursor_hide(vport);
 1174 
            cursor_hide(vport);
1175 
            vp = i;
 1175 
            vp = i;
1176 
            vport = &viewports[vp];
 1176 
            vport = &viewports[vp];
1177 
            cursor_print(vport);
 1177 
            cursor_print(vport);
1178 
            retval = 0;
 1178 
            retval = 0;
1179 
            break;
 1179 
            break;
1180 
        case FB_VIEWPORT_CREATE:
 1180 
        case FB_VIEWPORT_CREATE:
1181 
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
 1181 
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
1182 
                         IPC_GET_ARG1(call) & 0xffff,
 1182 
                         IPC_GET_ARG1(call) & 0xffff,
1183 
                         IPC_GET_ARG2(call) >> 16,
 1183 
                         IPC_GET_ARG2(call) >> 16,
1184 
                         IPC_GET_ARG2(call) & 0xffff);
 1184 
                         IPC_GET_ARG2(call) & 0xffff);
1185 
            break;
 1185 
            break;
1186 
        case FB_VIEWPORT_DELETE:
 1186 
        case FB_VIEWPORT_DELETE:
1187 
            i = IPC_GET_ARG1(call);
 1187 
            i = IPC_GET_ARG1(call);
1188 
            if (i < 0 || i >= MAX_VIEWPORTS) {
 1188 
            if (i < 0 || i >= MAX_VIEWPORTS) {
1189 
                retval = EINVAL;
 1189 
                retval = EINVAL;
1190 
                break;
 1190 
                break;
1191 
            }
 1191 
            }
1192 
            if (! viewports[i].initialized ) {
 1192 
            if (! viewports[i].initialized ) {
1193 
                retval = EADDRNOTAVAIL;
 1193 
                retval = EADDRNOTAVAIL;
1194 
                break;
 1194 
                break;
1195 
            }
 1195 
            }
1196 
            viewports[i].initialized = 0;
 1196 
            viewports[i].initialized = 0;
1197 
            if (viewports[i].dbdata) {
 1197 
            if (viewports[i].dbdata) {
1198 
                free(viewports[i].dbdata);
 1198 
                free(viewports[i].dbdata);
1199 
                viewports[i].dbdata = NULL;
 1199 
                viewports[i].dbdata = NULL;
1200 
            }
 1200 
            }
1201 
            retval = 0;
 1201 
            retval = 0;
1202 
            break;
 1202 
            break;
1203 
        case FB_SET_STYLE:
 1203 
        case FB_SET_STYLE:
1204 
            vport->style.fg_color = IPC_GET_ARG1(call);
 1204 
            vport->style.fg_color = IPC_GET_ARG1(call);
1205 
            vport->style.bg_color = IPC_GET_ARG2(call);
 1205 
            vport->style.bg_color = IPC_GET_ARG2(call);
1206 
            retval = 0;
 1206 
            retval = 0;
1207 
            break;
 1207 
            break;
1208 
        case FB_GET_RESOLUTION:
 1208 
        case FB_GET_RESOLUTION:
1209 
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
 1209 
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
1210 
            continue;
 1210 
            continue;
1211 
        case FB_POINTER_MOVE:
 1211 
        case FB_POINTER_MOVE:
1212 
            pointer_enabled = 1;
 1212 
            pointer_enabled = 1;
1213 
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
 1213 
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
1214 
            retval = 0;
 1214 
            retval = 0;
1215 
            break;
 1215 
            break;
1216 
        default:
 1216 
        default:
1217 
            retval = ENOENT;
 1217 
            retval = ENOENT;
1218 
        }
 1218 
        }
1219 
        ipc_answer_fast(callid,retval,0,0);
 1219 
        ipc_answer_fast(callid,retval,0,0);
1220 
    }
 1220 
    }
1221 
}
 1221 
}
1222 
 
 1222 
 
1223 
/** Initialization of framebuffer */
 1223 
/** Initialization of framebuffer */
1224 
int fb_init(void)
 1224 
int fb_init(void)
1225 
{
 1225 
{
1226 
    void *fb_ph_addr;
 1226 
    void *fb_ph_addr;
1227 
    unsigned int fb_width;
 1227 
    unsigned int fb_width;
1228 
    unsigned int fb_height;
 1228 
    unsigned int fb_height;
1229 
    unsigned int fb_bpp;
 1229 
    unsigned int fb_bpp;
1230 
    unsigned int fb_bpp_align;
 1230 
    unsigned int fb_bpp_align;
1231 
    unsigned int fb_scanline;
 1231 
    unsigned int fb_scanline;
1232 
    unsigned int fb_invert_colors;
 1232 
    unsigned int fb_invert_colors;
1233 
    void *fb_addr;
 1233 
    void *fb_addr;
1234 
    size_t asz;
 1234 
    size_t asz;
1235 
 
 1235 
 
1236 
    async_set_client_connection(fb_client_connection);
 1236 
    async_set_client_connection(fb_client_connection);
1237 
 
 1237 
 
1238 
    fb_ph_addr = (void *) sysinfo_value("fb.address.physical");
 1238 
    fb_ph_addr = (void *) sysinfo_value("fb.address.physical");
1239 
    fb_width = sysinfo_value("fb.width");
 1239 
    fb_width = sysinfo_value("fb.width");
1240 
    fb_height = sysinfo_value("fb.height");
 1240 
    fb_height = sysinfo_value("fb.height");
1241 
    fb_bpp = sysinfo_value("fb.bpp");
 1241 
    fb_bpp = sysinfo_value("fb.bpp");
1242 
    fb_bpp_align = sysinfo_value("fb.bpp-align");
 1242 
    fb_bpp_align = sysinfo_value("fb.bpp-align");
1243 
    fb_scanline = sysinfo_value("fb.scanline");
 1243 
    fb_scanline = sysinfo_value("fb.scanline");
1244 
    fb_invert_colors = sysinfo_value("fb.invert-colors");
 1244 
    fb_invert_colors = sysinfo_value("fb.invert-colors");
1245 
 
 1245 
 
1246 
    asz = fb_scanline*fb_height;
 1246 
    asz = fb_scanline*fb_height;
1247 
    fb_addr = as_get_mappable_page(asz);
 1247 
    fb_addr = as_get_mappable_page(asz);
1248 
   
 1248 
   
1249 
    map_physmem(fb_ph_addr, fb_addr, ALIGN_UP(asz,PAGE_SIZE) >>PAGE_WIDTH,
 1249 
    map_physmem(fb_ph_addr, fb_addr, ALIGN_UP(asz, PAGE_SIZE) >> PAGE_WIDTH,
1250 
            AS_AREA_READ | AS_AREA_WRITE);
 1250 
            AS_AREA_READ | AS_AREA_WRITE);
1251 
 
 1251 
 
1252 
    screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline, fb_bpp_align, fb_invert_colors);
 1252 
    screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline, fb_bpp_align, fb_invert_colors);
1253 
    return 0;
 1253 
    return 0;
1254 
}
 1254 
}
1255 
 
 1255 
 
1256 
/**
 1256 
/**
1257 
 * @}
 1257 
 * @}
1258 
 */
 1258 
 */
1259 
 
 1259