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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 <kernel/genarch/fb/visuals.h>
 52 
#include <kernel/genarch/fb/visuals.h>
53 
#include <async.h>
 53 
#include <async.h>
54 
#include <bool.h>
 54 
#include <bool.h>
55 
 
 55 
 
56 
#include "font-8x16.h"
 56 
#include "font-8x16.h"
57 
#include "fb.h"
 57 
#include "fb.h"
58 
#include "main.h"
 58 
#include "main.h"
59 
#include "../console/screenbuffer.h"
 59 
#include "../console/screenbuffer.h"
60 
#include "ppm.h"
 60 
#include "ppm.h"
61 
 
 61 
 
62 
#include "pointer.xbm"
 62 
#include "pointer.xbm"
63 
#include "pointer_mask.xbm"
 63 
#include "pointer_mask.xbm"
64 
 
 64 
 
65 
#define DEFAULT_BGCOLOR                0xf0f0f0
 65 
#define DEFAULT_BGCOLOR                0xf0f0f0
66 
#define DEFAULT_FGCOLOR                0x0
 66 
#define DEFAULT_FGCOLOR                0x0
67 
 
 67 
 
68 
/***************************************************************/
 68 
/***************************************************************/
69 
/* Pixel specific fuctions */
 69 
/* Pixel specific fuctions */
70 
 
 70 
 
71 
typedef void (*conv2scr_fn_t)(void *, int);
 71 
typedef void (*conv2scr_fn_t)(void *, int);
72 
typedef int (*conv2rgb_fn_t)(void *);
 72 
typedef int (*conv2rgb_fn_t)(void *);
73 
 
 73 
 
74 
struct {
 74 
struct {
75 
    uint8_t *fbaddress;
 75 
    uint8_t *fbaddress;
76 
 
 76 
 
77 
    unsigned int xres;
 77 
    unsigned int xres;
78 
    unsigned int yres;
 78 
    unsigned int yres;
79 
    unsigned int scanline;
 79 
    unsigned int scanline;
80 
    unsigned int pixelbytes;
 80 
    unsigned int pixelbytes;
81 
    unsigned int invert_colors;
 81 
    unsigned int invert_colors;
82 
 
 82 
 
83 
    conv2scr_fn_t rgb2scr;
 83 
    conv2scr_fn_t rgb2scr;
84 
    conv2rgb_fn_t scr2rgb;
 84 
    conv2rgb_fn_t scr2rgb;
85 
} screen;
 85 
} screen;
86 
 
 86 
 
87 
typedef struct {
 87 
typedef struct {
88 
    int initialized;
 88 
    int initialized;
89 
    unsigned int x, y;
 89 
    unsigned int x, y;
90 
    unsigned int width, height;
 90 
    unsigned int width, height;
91 
 
 91 
 
92 
    /* Text support in window */
 92 
    /* Text support in window */
93 
    unsigned int rows, cols;
 93 
    unsigned int rows, cols;
94 
    /* Style for text printing */
 94 
    /* Style for text printing */
95 
    style_t style;
 95 
    style_t style;
96 
    /* Auto-cursor position */
 96 
    /* Auto-cursor position */
97 
    int cursor_active, cur_col, cur_row;
 97 
    int cursor_active, cur_col, cur_row;
98 
    int cursor_shown;
 98 
    int cursor_shown;
99 
    /* Double buffering */
 99 
    /* Double buffering */
100 
    uint8_t *dbdata;
 100 
    uint8_t *dbdata;
101 
    unsigned int dboffset;
 101 
    unsigned int dboffset;
102 
    unsigned int paused;
 102 
    unsigned int paused;
103 
} viewport_t;
 103 
} viewport_t;
104 
 
 104 
 
105 
#define MAX_ANIM_LEN    8
 105 
#define MAX_ANIM_LEN    8
106 
#define MAX_ANIMATIONS  4
 106 
#define MAX_ANIMATIONS  4
107 
typedef struct {
 107 
typedef struct {
108 
    int initialized;
 108 
    int initialized;
109 
    int enabled;
 109 
    int enabled;
110 
    unsigned int vp;
 110 
    unsigned int vp;
111 
 
 111 
 
112 
    unsigned int pos;
 112 
    unsigned int pos;
113 
    unsigned int animlen;
 113 
    unsigned int animlen;
114 
    unsigned int pixmaps[MAX_ANIM_LEN];
 114 
    unsigned int pixmaps[MAX_ANIM_LEN];
115 
} animation_t;
 115 
} animation_t;
116 
static animation_t animations[MAX_ANIMATIONS];
 116 
static animation_t animations[MAX_ANIMATIONS];
117 
static int anims_enabled;
 117 
static int anims_enabled;
118 
 
 118 
 
119 
/** Maximum number of saved pixmaps
 119 
/** Maximum number of saved pixmaps
120 
 * Pixmap is a saved rectangle
 120 
 * Pixmap is a saved rectangle
121 
 */
 121 
 */
122 
#define MAX_PIXMAPS        256
 122 
#define MAX_PIXMAPS        256
123 
typedef struct {
 123 
typedef struct {
124 
    unsigned int width;
 124 
    unsigned int width;
125 
    unsigned int height;
 125 
    unsigned int height;
126 
    uint8_t *data;
 126 
    uint8_t *data;
127 
} pixmap_t;
 127 
} pixmap_t;
128 
static pixmap_t pixmaps[MAX_PIXMAPS];
 128 
static pixmap_t pixmaps[MAX_PIXMAPS];
129 
 
 129 
 
130 
/* Viewport is a rectangular area on the screen */
 130 
/* Viewport is a rectangular area on the screen */
131 
#define MAX_VIEWPORTS 128
 131 
#define MAX_VIEWPORTS 128
132 
static viewport_t viewports[128];
 132 
static viewport_t viewports[128];
133 
 
 133 
 
134 
/* Allow only 1 connection */
 134 
/* Allow only 1 connection */
135 
static int client_connected = 0;
 135 
static int client_connected = 0;
136 
 
 136 
 
137 
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
 137 
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
138 
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
 138 
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
139 
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
 139 
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
140 
 
 140 
 
141 
#define COL_WIDTH   8
 141 
#define COL_WIDTH   8
142 
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
 142 
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
143 
 
 143 
 
144 
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
 144 
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
145 
 
 145 
 
146 
static inline int COLOR(int color)
 146 
static inline int COLOR(int color)
147 
{
 147 
{
148 
    return screen.invert_colors ? ~color : color;
 148 
    return screen.invert_colors ? ~color : color;
149 
}
 149 
}
150 
 
 150 
 
151 
/* Conversion routines between different color representations */
 151 
/* Conversion routines between different color representations */
152 
static void
 152 
static void
153 
rgb_byte0888(void *dst, int rgb)
 153 
rgb_byte0888(void *dst, int rgb)
154 
{
 154 
{
155 
    *(int *)dst = rgb;
 155 
    *(int *)dst = rgb;
156 
}
 156 
}
157 
 
 157 
 
158 
static int
 158 
static int
159 
byte0888_rgb(void *src)
 159 
byte0888_rgb(void *src)
160 
{
 160 
{
161 
    return (*(int *)src) & 0xffffff;
 161 
    return (*(int *)src) & 0xffffff;
162 
}
 162 
}
163 
 
 163 
 
164 
static void
 164 
static void
165 
bgr_byte0888(void *dst, int rgb)
 165 
bgr_byte0888(void *dst, int rgb)
166 
{
 166 
{
167 
    *((uint32_t *) dst) = BLUE(rgb, 8) << 16 | GREEN(rgb, 8) << 8 |
 167 
    *((uint32_t *) dst) = BLUE(rgb, 8) << 16 | GREEN(rgb, 8) << 8 |
168 
        RED(rgb, 8);
 168 
        RED(rgb, 8);
169 
}
 169 
}
170 
 
 170 
 
171 
static int
 171 
static int
172 
byte0888_bgr(void *src)
 172 
byte0888_bgr(void *src)
173 
{
 173 
{
174 
    int color = *(uint32_t *)(src);
 174 
    int color = *(uint32_t *)(src);
175 
    return ((color & 0xff) << 16) | (((color >> 8) & 0xff) << 8) |
 175 
    return ((color & 0xff) << 16) | (((color >> 8) & 0xff) << 8) |
176 
        ((color >> 16) & 0xff);
 176 
        ((color >> 16) & 0xff);
177 
}
 177 
}
178 
 
 178 
 
179 
static void
 179 
static void
180 
rgb_byte888(void *dst, int rgb)
 180 
rgb_byte888(void *dst, int rgb)
181 
{
 181 
{
182 
    uint8_t *scr = dst;
 182 
    uint8_t *scr = dst;
183 
#if defined(FB_INVERT_ENDIAN)
 183 
#if defined(FB_INVERT_ENDIAN)
184 
    scr[0] = RED(rgb, 8);
 184 
    scr[0] = RED(rgb, 8);
185 
    scr[1] = GREEN(rgb, 8);
 185 
    scr[1] = GREEN(rgb, 8);
186 
    scr[2] = BLUE(rgb, 8);
 186 
    scr[2] = BLUE(rgb, 8);
187 
#else
 187 
#else
188 
    scr[2] = RED(rgb, 8);
 188 
    scr[2] = RED(rgb, 8);
189 
    scr[1] = GREEN(rgb, 8);
 189 
    scr[1] = GREEN(rgb, 8);
190 
    scr[0] = BLUE(rgb, 8);
 190 
    scr[0] = BLUE(rgb, 8);
191 
#endif
 191 
#endif
192 
}
 192 
}
193 
 
 193 
 
194 
static int
 194 
static int
195 
byte888_rgb(void *src)
 195 
byte888_rgb(void *src)
196 
{
 196 
{
197 
    uint8_t *scr = src;
 197 
    uint8_t *scr = src;
198 
#if defined(FB_INVERT_ENDIAN)
 198 
#if defined(FB_INVERT_ENDIAN)
199 
    return scr[0] << 16 | scr[1] << 8 | scr[2];
 199 
    return scr[0] << 16 | scr[1] << 8 | scr[2];
200 
#else
 200 
#else
201 
    return scr[2] << 16 | scr[1] << 8 | scr[0];
 201 
    return scr[2] << 16 | scr[1] << 8 | scr[0];
202 
#endif 
202 
#endif 
203 
}
 203 
}
204 
 
 204 
 
205 
/**  16-bit depth (5:5:5) */
 205 
/**  16-bit depth (5:5:5) */
206 
static void
 206 
static void
207 
rgb_byte555(void *dst, int rgb)
 207 
rgb_byte555(void *dst, int rgb)
208 
{
 208 
{
209 
    /* 5-bit, 5-bits, 5-bits */
 209 
    /* 5-bit, 5-bits, 5-bits */
210 
    *((uint16_t *)(dst)) = RED(rgb, 5) << 10 | GREEN(rgb, 5) << 5 |
 210 
    *((uint16_t *)(dst)) = RED(rgb, 5) << 10 | GREEN(rgb, 5) << 5 |
211 
        BLUE(rgb, 5);
 211 
        BLUE(rgb, 5);
212 
}
 212 
}
213 
 
 213 
 
214 
/** 16-bit depth (5:5:5) */
 214 
/** 16-bit depth (5:5:5) */
215 
static int
 215 
static int
216 
byte555_rgb(void *src)
 216 
byte555_rgb(void *src)
217 
{
 217 
{
218 
    int color = *(uint16_t *)(src);
 218 
    int color = *(uint16_t *)(src);
219 
    return (((color >> 10) & 0x1f) << (16 + 3)) |
 219 
    return (((color >> 10) & 0x1f) << (16 + 3)) |
220 
        (((color >> 5) & 0x1f) << (8 + 3)) | ((color & 0x1f) << 3);
 220 
        (((color >> 5) & 0x1f) << (8 + 3)) | ((color & 0x1f) << 3);
221 
}
 221 
}
222 
 
 222 
 
223 
/**  16-bit depth (5:6:5) */
 223 
/**  16-bit depth (5:6:5) */
224 
static void
 224 
static void
225 
rgb_byte565(void *dst, int rgb)
 225 
rgb_byte565(void *dst, int rgb)
226 
{
 226 
{
227 
    /* 5-bit, 6-bits, 5-bits */
 227 
    /* 5-bit, 6-bits, 5-bits */
228 
    *((uint16_t *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 |
 228 
    *((uint16_t *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 |
229 
        BLUE(rgb, 5);
 229 
        BLUE(rgb, 5);
230 
}
 230 
}
231 
 
 231 
 
232 
/** 16-bit depth (5:6:5) */
 232 
/** 16-bit depth (5:6:5) */
233 
static int
 233 
static int
234 
byte565_rgb(void *src)
 234 
byte565_rgb(void *src)
235 
{
 235 
{
236 
    int color = *(uint16_t *)(src);
 236 
    int color = *(uint16_t *)(src);
237 
    return (((color >> 11) & 0x1f) << (16 + 3)) |
 237 
    return (((color >> 11) & 0x1f) << (16 + 3)) |
238 
        (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
 238 
        (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
239 
}
 239 
}
240 
 
 240 
 
241 
/** Put pixel - 8-bit depth (3:2:3) */
 241 
/** Put pixel - 8-bit depth (3:2:3) */
242 
static void
 242 
static void
243 
rgb_byte8(void *dst, int rgb)
 243 
rgb_byte8(void *dst, int rgb)
244 
{
 244 
{
245 
    *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
 245 
    *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
246 
}
 246 
}
247 
 
 247 
 
248 
/** Return pixel color - 8-bit depth (3:2:3) */
 248 
/** Return pixel color - 8-bit depth (3:2:3) */
249 
static int
 249 
static int
250 
byte8_rgb(void *src)
 250 
byte8_rgb(void *src)
251 
{
 251 
{
252 
    int color = *(uint8_t *)src;
 252 
    int color = *(uint8_t *)src;
253 
    return (((color >> 5) & 0x7) << (16 + 5)) |
 253 
    return (((color >> 5) & 0x7) << (16 + 5)) |
254 
        (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
 254 
        (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
255 
}
 255 
}
256 
 
 256 
 
257 
/** Put pixel into viewport
 257 
/** Put pixel into viewport
258 
 *
 258 
 *
259 
 * @param vport Viewport identification
 259 
 * @param vport Viewport identification
260 
 * @param x X coord relative to viewport
 260 
 * @param x X coord relative to viewport
261 
 * @param y Y coord relative to viewport
 261 
 * @param y Y coord relative to viewport
262 
 * @param color RGB color
 262 
 * @param color RGB color
263 
 */
 263 
 */
264 
static void
 264 
static void
265 
putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color)
 265 
putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color)
266 
{
 266 
{
267 
    int dx = vport->x + x;
 267 
    int dx = vport->x + x;
268 
    int dy = vport->y + y;
 268 
    int dy = vport->y + y;
269 
 
 269 
 
270 
    if (! (vport->paused && vport->dbdata))
 270 
    if (! (vport->paused && vport->dbdata))
271 
        (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],
 271 
        (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],
272 
            COLOR(color));
 272 
            COLOR(color));
273 
 
 273 
 
274 
    if (vport->dbdata) {
 274 
    if (vport->dbdata) {
275 
        int dline = (y + vport->dboffset) % vport->height;
 275 
        int dline = (y + vport->dboffset) % vport->height;
276 
        int doffset = screen.pixelbytes * (dline * vport->width + x);
 276 
        int doffset = screen.pixelbytes * (dline * vport->width + x);
277 
        (*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color));
 277 
        (*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color));
278 
    }
 278 
    }
279 
}
 279 
}
280 
 
 280 
 
281 
/** Get pixel from viewport */
 281 
/** Get pixel from viewport */
282 
static int
 282 
static int
283 
getpixel(viewport_t *vport, unsigned int x, unsigned int y)
 283 
getpixel(viewport_t *vport, unsigned int x, unsigned int y)
284 
{
 284 
{
285 
    int dx = vport->x + x;
 285 
    int dx = vport->x + x;
286 
    int dy = vport->y + y;
 286 
    int dy = vport->y + y;
287 
 
 287 
 
288 
    return COLOR((*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx, dy)]));
 288 
    return COLOR((*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx, dy)]));
289 
}
 289 
}
290 
 
 290 
 
291 
static inline void
 291 
static inline void
292 
putpixel_mem(char *mem, unsigned int x, unsigned int y, int color)
 292 
putpixel_mem(char *mem, unsigned int x, unsigned int y, int color)
293 
{
 293 
{
294 
    (*screen.rgb2scr)(&mem[POINTPOS(x,y)], COLOR(color));
 294 
    (*screen.rgb2scr)(&mem[POINTPOS(x,y)], COLOR(color));
295 
}
 295 
}
296 
 
 296 
 
297 
static void
 297 
static void
298 
draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
 298 
draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy,
299 
    unsigned int width, unsigned int height, int color)
 299 
    unsigned int width, unsigned int height, int color)
300 
{
 300 
{
301 
    unsigned int x, y;
 301 
    unsigned int x, y;
302 
    static void *tmpline;
 302 
    static void *tmpline;
303 
 
 303 
 
304 
    if (!tmpline)
 304 
    if (!tmpline)
305 
        tmpline = malloc(screen.scanline*screen.pixelbytes);
 305 
        tmpline = malloc(screen.scanline*screen.pixelbytes);
306 
 
 306 
 
307 
    /* Clear first line */
 307 
    /* Clear first line */
308 
    for (x = 0; x < width; x++)
 308 
    for (x = 0; x < width; x++)
309 
        putpixel_mem(tmpline, x, 0, color);
 309 
        putpixel_mem(tmpline, x, 0, color);
310 
 
 310 
 
311 
    if (!vport->paused) {
 311 
    if (!vport->paused) {
312 
        /* Recompute to screen coords */
 312 
        /* Recompute to screen coords */
313 
        sx += vport->x;
 313 
        sx += vport->x;
314 
        sy += vport->y;
 314 
        sy += vport->y;
315 
        /* Copy the rest */
 315 
        /* Copy the rest */
316 
        for (y = sy;y < sy+height; y++)
 316 
        for (y = sy;y < sy+height; y++)
317 
            memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,
 317 
            memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline,
318 
                   screen.pixelbytes * width);
 318 
                   screen.pixelbytes * width);
319 
    }
 319 
    }
320 
    if (vport->dbdata) {
 320 
    if (vport->dbdata) {
321 
        for (y = sy; y < sy + height; y++) {
 321 
        for (y = sy; y < sy + height; y++) {
322 
            int rline = (y + vport->dboffset) % vport->height;
 322 
            int rline = (y + vport->dboffset) % vport->height;
323 
            int rpos = (rline * vport->width + sx) *
 323 
            int rpos = (rline * vport->width + sx) *
324 
                screen.pixelbytes;
 324 
                screen.pixelbytes;
325 
            memcpy(&vport->dbdata[rpos], tmpline,
 325 
            memcpy(&vport->dbdata[rpos], tmpline,
326 
                screen.pixelbytes * width);
 326 
                screen.pixelbytes * width);
327 
        }
 327 
        }
328 
    }
 328 
    }
329 
 
 329 
 
330 
}
 330 
}
331 
 
 331 
 
332 
/** Fill viewport with background color */
 332 
/** Fill viewport with background color */
333 
static void
 333 
static void
334 
clear_port(viewport_t *vport)
 334 
clear_port(viewport_t *vport)
335 
{
 335 
{
336 
    draw_rectangle(vport, 0, 0, vport->width, vport->height,
 336 
    draw_rectangle(vport, 0, 0, vport->width, vport->height,
337 
        vport->style.bg_color);
 337 
        vport->style.bg_color);
338 
}
 338 
}
339 
 
 339 
 
340 
/** Scroll unbuffered viewport up/down
 340 
/** Scroll unbuffered viewport up/down
341 
 *
 341 
 *
342 
 * @param vport Viewport to scroll
 342 
 * @param vport Viewport to scroll
343 
 * @param lines Positive number - scroll up, negative - scroll down
 343 
 * @param lines Positive number - scroll up, negative - scroll down
344 
 */
 344 
 */
345 
static void
 345 
static void
346 
scroll_port_nodb(viewport_t *vport, int lines)
 346 
scroll_port_nodb(viewport_t *vport, int lines)
347 
{
 347 
{
348 
    int y;
 348 
    int y;
349 
 
 349 
 
350 
    if (lines > 0) {
 350 
    if (lines > 0) {
351 
        for (y = vport->y; y < vport->y+vport->height - lines; y++)
 351 
        for (y = vport->y; y < vport->y+vport->height - lines; y++)
352 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
 352 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
353 
                   &screen.fbaddress[POINTPOS(vport->x,y + lines)],
 353 
                   &screen.fbaddress[POINTPOS(vport->x,y + lines)],
354 
                   screen.pixelbytes * vport->width);
 354 
                   screen.pixelbytes * vport->width);
355 
        draw_rectangle(vport, 0, vport->height - lines, vport->width,
 355 
        draw_rectangle(vport, 0, vport->height - lines, vport->width,
356 
            lines, vport->style.bg_color);
 356 
            lines, vport->style.bg_color);
357 
    } else if (lines < 0) {
 357 
    } else if (lines < 0) {
358 
        lines = -lines;
 358 
        lines = -lines;
359 
        for (y = vport->y + vport->height-1; y >= vport->y + lines;
 359 
        for (y = vport->y + vport->height-1; y >= vport->y + lines;
360 
             y--)
 360 
             y--)
361 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
 361 
            memcpy(&screen.fbaddress[POINTPOS(vport->x,y)],
362 
                   &screen.fbaddress[POINTPOS(vport->x,y - lines)],
 362 
                   &screen.fbaddress[POINTPOS(vport->x,y - lines)],
363 
                   screen.pixelbytes * vport->width);
 363 
                   screen.pixelbytes * vport->width);
364 
        draw_rectangle(vport, 0, 0, vport->width, lines,
 364 
        draw_rectangle(vport, 0, 0, vport->width, lines,
365 
            vport->style.bg_color);
 365 
            vport->style.bg_color);
366 
    }
 366 
    }
367 
}
 367 
}
368 
 
 368 
 
369 
/** Refresh given viewport from double buffer */
 369 
/** Refresh given viewport from double buffer */
370 
static void
 370 
static void
371 
refresh_viewport_db(viewport_t *vport)
 371 
refresh_viewport_db(viewport_t *vport)
372 
{
 372 
{
373 
    unsigned int y, srcy, srcoff, dsty, dstx;
 373 
    unsigned int y, srcy, srcoff, dsty, dstx;
374 
 
 374 
 
375 
    for (y = 0; y < vport->height; y++) {
 375 
    for (y = 0; y < vport->height; y++) {
376 
        srcy = (y + vport->dboffset) % vport->height;
 376 
        srcy = (y + vport->dboffset) % vport->height;
377 
        srcoff = (vport->width * srcy) * screen.pixelbytes;
 377 
        srcoff = (vport->width * srcy) * screen.pixelbytes;
378 
 
 378 
 
379 
        dstx = vport->x;
 379 
        dstx = vport->x;
380 
        dsty = vport->y + y;
 380 
        dsty = vport->y + y;
381 
 
 381 
 
382 
        memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],
 382 
        memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)],
383 
               &vport->dbdata[srcoff],
 383 
               &vport->dbdata[srcoff],
384 
               vport->width*screen.pixelbytes);
 384 
               vport->width*screen.pixelbytes);
385 
    }
 385 
    }
386 
}
 386 
}
387 
 
 387 
 
388 
/** Scroll viewport that has double buffering enabled */
 388 
/** Scroll viewport that has double buffering enabled */
389 
static void
 389 
static void
390 
scroll_port_db(viewport_t *vport, int lines)
 390 
scroll_port_db(viewport_t *vport, int lines)
391 
{
 391 
{
392 
    ++vport->paused;
 392 
    ++vport->paused;
393 
    if (lines > 0) {
 393 
    if (lines > 0) {
394 
        draw_rectangle(vport, 0, 0, vport->width, lines,
 394 
        draw_rectangle(vport, 0, 0, vport->width, lines,
395 
                   vport->style.bg_color);
 395 
                   vport->style.bg_color);
396 
        vport->dboffset += lines;
 396 
        vport->dboffset += lines;
397 
        vport->dboffset %= vport->height;
 397 
        vport->dboffset %= vport->height;
398 
    } else if (lines < 0) {
 398 
    } else if (lines < 0) {
399 
        lines = -lines;
 399 
        lines = -lines;
400 
        draw_rectangle(vport, 0, vport->height-lines,
 400 
        draw_rectangle(vport, 0, vport->height-lines,
401 
                   vport->width, lines,
 401 
                   vport->width, lines,
402 
                   vport->style.bg_color);
 402 
                   vport->style.bg_color);
403 
 
 403 
 
404 
        if (vport->dboffset < lines)
 404 
        if (vport->dboffset < lines)
405 
            vport->dboffset += vport->height;
 405 
            vport->dboffset += vport->height;
406 
        vport->dboffset -= lines;
 406 
        vport->dboffset -= lines;
407 
    }
 407 
    }
408 
   
 408 
   
409 
    --vport->paused;
 409 
    --vport->paused;
410 
   
 410 
   
411 
    refresh_viewport_db(vport);
 411 
    refresh_viewport_db(vport);
412 
}
 412 
}
413 
 
 413 
 
414 
/** Scrolls viewport given number of lines */
 414 
/** Scrolls viewport given number of lines */
415 
static void
 415 
static void
416 
scroll_port(viewport_t *vport, int lines)
 416 
scroll_port(viewport_t *vport, int lines)
417 
{
 417 
{
418 
    if (vport->dbdata)
 418 
    if (vport->dbdata)
419 
        scroll_port_db(vport, lines);
 419 
        scroll_port_db(vport, lines);
420 
    else
 420 
    else
421 
        scroll_port_nodb(vport, lines);
 421 
        scroll_port_nodb(vport, lines);
422 
   
 422 
   
423 
}
 423 
}
424 
 
 424 
 
425 
static void
 425 
static void
426 
invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)
 426 
invert_pixel(viewport_t *vport, unsigned int x, unsigned int y)
427 
{
 427 
{
428 
    putpixel(vport, x, y, ~getpixel(vport, x, y));
 428 
    putpixel(vport, x, y, ~getpixel(vport, x, y));
429 
}
 429 
}
430 
 
 430 
 
431 
 
 431 
 
432 
/***************************************************************/
 432 
/***************************************************************/
433 
/* Character-console functions */
 433 
/* Character-console functions */
434 
 
 434 
 
435 
/** Draw character at given position
 435 
/** Draw character at given position
436 
 *
 436 
 *
437 
 * @param vport Viewport where the character is printed
 437 
 * @param vport Viewport where the character is printed
438 
 * @param sx Coordinates of top-left of the character
 438 
 * @param sx Coordinates of top-left of the character
439 
 * @param sy Coordinates of top-left of the character
 439 
 * @param sy Coordinates of top-left of the character
440 
 * @param style Color of the character
 440 
 * @param style Color of the character
441 
 * @param transparent If false, print background color
 441 
 * @param transparent If false, print background color
442 
 */
 442 
 */
443 
static void
 443 
static void
444 
draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx,
 444 
draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx,
445 
     unsigned int sy, style_t style, int transparent)
 445 
     unsigned int sy, style_t style, int transparent)
446 
{
 446 
{
447 
    int i;
 447 
    int i;
448 
    unsigned int y;
 448 
    unsigned int y;
449 
    unsigned int glline;
 449 
    unsigned int glline;
450 
 
 450 
 
451 
    for (y = 0; y < FONT_SCANLINES; y++) {
 451 
    for (y = 0; y < FONT_SCANLINES; y++) {
452 
        glline = fb_font[glyph * FONT_SCANLINES + y];
 452 
        glline = fb_font[glyph * FONT_SCANLINES + y];
453 
        for (i = 0; i < 8; i++) {
 453 
        for (i = 0; i < 8; i++) {
454 
            if (glline & (1 << (7 - i)))
 454 
            if (glline & (1 << (7 - i)))
455 
                putpixel(vport, sx + i, sy + y,
 455 
                putpixel(vport, sx + i, sy + y,
456 
                    style.fg_color);
 456 
                    style.fg_color);
457 
            else if (!transparent)
 457 
            else if (!transparent)
458 
                putpixel(vport, sx + i, sy + y,
 458 
                putpixel(vport, sx + i, sy + y,
459 
                    style.bg_color);
 459 
                    style.bg_color);
460 
        }
 460 
        }
461 
    }
 461 
    }
462 
}
 462 
}
463 
 
 463 
 
464 
/** Invert character at given position */
 464 
/** Invert character at given position */
465 
static void
 465 
static void
466 
invert_char(viewport_t *vport,unsigned int row, unsigned int col)
 466 
invert_char(viewport_t *vport,unsigned int row, unsigned int col)
467 
{
 467 
{
468 
    unsigned int x;
 468 
    unsigned int x;
469 
    unsigned int y;
 469 
    unsigned int y;
470 
 
 470 
 
471 
    for (x = 0; x < COL_WIDTH; x++)
 471 
    for (x = 0; x < COL_WIDTH; x++)
472 
        for (y = 0; y < FONT_SCANLINES; y++)
 472 
        for (y = 0; y < FONT_SCANLINES; y++)
473 
            invert_pixel(vport, col * COL_WIDTH + x, row *
 473 
            invert_pixel(vport, col * COL_WIDTH + x, row *
474 
                FONT_SCANLINES + y);
 474 
                FONT_SCANLINES + y);
475 
}
 475 
}
476 
 
 476 
 
477 
/***************************************************************/
 477 
/***************************************************************/
478 
/* Stdout specific functions */
 478 
/* Stdout specific functions */
479 
 
 479 
 
480 
 
 480 
 
481 
/** Create new viewport
 481 
/** Create new viewport
482 
 *
 482 
 *
483 
 * @return New viewport number
 483 
 * @return New viewport number
484 
 */
 484 
 */
485 
static int
 485 
static int
486 
viewport_create(unsigned int x, unsigned int y,unsigned int width,
 486 
viewport_create(unsigned int x, unsigned int y,unsigned int width,
487 
    unsigned int height)
 487 
    unsigned int height)
488 
{
 488 
{
489 
    int i;
 489 
    int i;
490 
 
 490 
 
491 
    for (i = 0; i < MAX_VIEWPORTS; i++) {
 491 
    for (i = 0; i < MAX_VIEWPORTS; i++) {
492 
        if (!viewports[i].initialized)
 492 
        if (!viewports[i].initialized)
493 
            break;
 493 
            break;
494 
    }
 494 
    }
495 
    if (i == MAX_VIEWPORTS)
 495 
    if (i == MAX_VIEWPORTS)
496 
        return ELIMIT;
 496 
        return ELIMIT;
497 
 
 497 
 
498 
    viewports[i].x = x;
 498 
    viewports[i].x = x;
499 
    viewports[i].y = y;
 499 
    viewports[i].y = y;
500 
    viewports[i].width = width;
 500 
    viewports[i].width = width;
501 
    viewports[i].height = height;
 501 
    viewports[i].height = height;
502 
   
 502 
   
503 
    viewports[i].rows = height / FONT_SCANLINES;
 503 
    viewports[i].rows = height / FONT_SCANLINES;
504 
    viewports[i].cols = width / COL_WIDTH;
 504 
    viewports[i].cols = width / COL_WIDTH;
505 
 
 505 
 
506 
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
 506 
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
507 
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
 507 
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
508 
   
 508 
   
509 
    viewports[i].cur_col = 0;
 509 
    viewports[i].cur_col = 0;
510 
    viewports[i].cur_row = 0;
 510 
    viewports[i].cur_row = 0;
511 
    viewports[i].cursor_active = 0;
 511 
    viewports[i].cursor_active = 0;
512 
 
 512 
 
513 
    viewports[i].initialized = 1;
 513 
    viewports[i].initialized = 1;
514 
 
 514 
 
515 
    return i;
 515 
    return i;
516 
}
 516 
}
517 
 
 517 
 
518 
/** Initialize framebuffer as a chardev output device
 518 
/** Initialize framebuffer as a chardev output device
519 
 *
 519 
 *
520 
 * @param addr          Address of theframebuffer
 520 
 * @param addr          Address of theframebuffer
521 
 * @param xres          Screen width in pixels
 521 
 * @param xres          Screen width in pixels
522 
 * @param yres          Screen height in pixels
 522 
 * @param yres          Screen height in pixels
523 
 * @param visual        Bits per pixel (8, 16, 24, 32)
 523 
 * @param visual        Bits per pixel (8, 16, 24, 32)
524 
 * @param scan          Bytes per one scanline
 524 
 * @param scan          Bytes per one scanline
525 
 * @param invert_colors Inverted colors.
 525 
 * @param invert_colors Inverted colors.
526 
 *
 526 
 *
527 
 */
 527 
 */
528 
static bool
 528 
static bool
529 
screen_init(void *addr, unsigned int xres, unsigned int yres,
 529 
screen_init(void *addr, unsigned int xres, unsigned int yres,
530 
    unsigned int scan, unsigned int visual, bool invert_colors)
 530 
    unsigned int scan, unsigned int visual, bool invert_colors)
531 
{
 531 
{
532 
    switch (visual) {
 532 
    switch (visual) {
533 
    case VISUAL_INDIRECT_8:
 533 
    case VISUAL_INDIRECT_8:
534 
        screen.rgb2scr = rgb_byte8;
 534 
        screen.rgb2scr = rgb_byte8;
535 
        screen.scr2rgb = byte8_rgb;
 535 
        screen.scr2rgb = byte8_rgb;
536 
        screen.pixelbytes = 1;
 536 
        screen.pixelbytes = 1;
537 
        break;
 537 
        break;
538 
    case VISUAL_RGB_5_5_5:
 538 
    case VISUAL_RGB_5_5_5:
539 
        screen.rgb2scr = rgb_byte555;
 539 
        screen.rgb2scr = rgb_byte555;
540 
        screen.scr2rgb = byte555_rgb;
 540 
        screen.scr2rgb = byte555_rgb;
541 
        screen.pixelbytes = 2;
 541 
        screen.pixelbytes = 2;
542 
        break;
 542 
        break;
543 
    case VISUAL_RGB_5_6_5:
 543 
    case VISUAL_RGB_5_6_5:
544 
        screen.rgb2scr = rgb_byte565;
 544 
        screen.rgb2scr = rgb_byte565;
545 
        screen.scr2rgb = byte565_rgb;
 545 
        screen.scr2rgb = byte565_rgb;
546 
        screen.pixelbytes = 2;
 546 
        screen.pixelbytes = 2;
547 
        break;
 547 
        break;
548 
    case VISUAL_RGB_8_8_8:
 548 
    case VISUAL_RGB_8_8_8:
549 
        screen.rgb2scr = rgb_byte888;
 549 
        screen.rgb2scr = rgb_byte888;
550 
        screen.scr2rgb = byte888_rgb;
 550 
        screen.scr2rgb = byte888_rgb;
551 
        screen.pixelbytes = 3;
 551 
        screen.pixelbytes = 3;
552 
        break;
 552 
        break;
553 
    case VISUAL_RGB_8_8_8_0:
 553 
    case VISUAL_RGB_8_8_8_0:
554 
        screen.rgb2scr = rgb_byte888;
 554 
        screen.rgb2scr = rgb_byte888;
555 
        screen.scr2rgb = byte888_rgb;
 555 
        screen.scr2rgb = byte888_rgb;
556 
        screen.pixelbytes = 4;
 556 
        screen.pixelbytes = 4;
557 
        break;
 557 
        break;
558 
    case VISUAL_RGB_0_8_8_8:
 558 
    case VISUAL_RGB_0_8_8_8:
559 
        screen.rgb2scr = rgb_byte0888;
 559 
        screen.rgb2scr = rgb_byte0888;
560 
        screen.scr2rgb = byte0888_rgb;
 560 
        screen.scr2rgb = byte0888_rgb;
561 
        screen.pixelbytes = 4;
 561 
        screen.pixelbytes = 4;
562 
        break;
 562 
        break;
563 
    case VISUAL_BGR_0_8_8_8:
 563 
    case VISUAL_BGR_0_8_8_8:
564 
        screen.rgb2scr = bgr_byte0888;
 564 
        screen.rgb2scr = bgr_byte0888;
565 
        screen.scr2rgb = byte0888_bgr;
 565 
        screen.scr2rgb = byte0888_bgr;
566 
        screen.pixelbytes = 4;
 566 
        screen.pixelbytes = 4;
567 
        break;
 567 
        break;
568 
    default:
 568 
    default:
569 
        return false;
 569 
        return false;
570 
    }
 570 
    }
571 
 
 571 
 
572 
    screen.fbaddress = (unsigned char *) addr;
 572 
    screen.fbaddress = (unsigned char *) addr;
573 
    screen.xres = xres;
 573 
    screen.xres = xres;
574 
    screen.yres = yres;
 574 
    screen.yres = yres;
575 
    screen.scanline = scan;
 575 
    screen.scanline = scan;
576 
    screen.invert_colors = invert_colors;
 576 
    screen.invert_colors = invert_colors;
577 
   
 577 
   
578 
    /* Create first viewport */
 578 
    /* Create first viewport */
579 
    viewport_create(0, 0, xres, yres);
 579 
    viewport_create(0, 0, xres, yres);
580 
   
 580 
   
581 
    return true;
 581 
    return true;
582 
}
 582 
}
583 
 
 583 
 
584 
/** Hide cursor if it is shown */
 584 
/** Hide cursor if it is shown */
585 
static void
 585 
static void
586 
cursor_hide(viewport_t *vport)
 586 
cursor_hide(viewport_t *vport)
587 
{
 587 
{
588 
    if (vport->cursor_active && vport->cursor_shown) {
 588 
    if (vport->cursor_active && vport->cursor_shown) {
589 
        invert_char(vport, vport->cur_row, vport->cur_col);
 589 
        invert_char(vport, vport->cur_row, vport->cur_col);
590 
        vport->cursor_shown = 0;
 590 
        vport->cursor_shown = 0;
591 
    }
 591 
    }
592 
}
 592 
}
593 
 
 593 
 
594 
/** Show cursor if cursor showing is enabled */
 594 
/** Show cursor if cursor showing is enabled */
595 
static void
 595 
static void
596 
cursor_print(viewport_t *vport)
 596 
cursor_print(viewport_t *vport)
597 
{
 597 
{
598 
    /* Do not check for cursor_shown */
 598 
    /* Do not check for cursor_shown */
599 
    if (vport->cursor_active) {
 599 
    if (vport->cursor_active) {
600 
        invert_char(vport, vport->cur_row, vport->cur_col);
 600 
        invert_char(vport, vport->cur_row, vport->cur_col);
601 
        vport->cursor_shown = 1;
 601 
        vport->cursor_shown = 1;
602 
    }
 602 
    }
603 
}
 603 
}
604 
 
 604 
 
605 
/** Invert cursor, if it is enabled */
 605 
/** Invert cursor, if it is enabled */
606 
static void
 606 
static void
607 
cursor_blink(viewport_t *vport)
 607 
cursor_blink(viewport_t *vport)
608 
{
 608 
{
609 
    if (vport->cursor_shown)
 609 
    if (vport->cursor_shown)
610 
        cursor_hide(vport);
 610 
        cursor_hide(vport);
611 
    else
 611 
    else
612 
        cursor_print(vport);
 612 
        cursor_print(vport);
613 
}
 613 
}
614 
 
 614 
 
615 
/** Draw character at given position relative to viewport
 615 
/** Draw character at given position relative to viewport
616 
 *
 616 
 *
617 
 * @param vport Viewport identification
 617 
 * @param vport Viewport identification
618 
 * @param c Character to print
 618 
 * @param c Character to print
619 
 * @param row Screen position relative to viewport
 619 
 * @param row Screen position relative to viewport
620 
 * @param col Screen position relative to viewport
 620 
 * @param col Screen position relative to viewport
621 
 * @param transparent If false, print background color with character
 621 
 * @param transparent If false, print background color with character
622 
 */
 622 
 */
623 
static void
 623 
static void
624 
draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col,
 624 
draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col,
625 
    style_t style, int transparent)
 625 
    style_t style, int transparent)
626 
{
 626 
{
627 
    /* Optimize - do not hide cursor if we are going to overwrite it */
 627 
    /* Optimize - do not hide cursor if we are going to overwrite it */
628 
    if (vport->cursor_active && vport->cursor_shown &&
 628 
    if (vport->cursor_active && vport->cursor_shown &&
629 
        (vport->cur_col != col || vport->cur_row != row))
 629 
        (vport->cur_col != col || vport->cur_row != row))
630 
        invert_char(vport, vport->cur_row, vport->cur_col);
 630 
        invert_char(vport, vport->cur_row, vport->cur_col);
631 
   
 631 
   
632 
    draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style,
 632 
    draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style,
633 
        transparent);
 633 
        transparent);
634 
 
 634 
 
635 
    vport->cur_col = col;
 635 
    vport->cur_col = col;
636 
    vport->cur_row = row;
 636 
    vport->cur_row = row;
637 
 
 637 
 
638 
    vport->cur_col++;
 638 
    vport->cur_col++;
639 
    if (vport->cur_col >= vport->cols) {
 639 
    if (vport->cur_col >= vport->cols) {
640 
        vport->cur_col = 0;
 640 
        vport->cur_col = 0;
641 
        vport->cur_row++;
 641 
        vport->cur_row++;
642 
        if (vport->cur_row >= vport->rows)
 642 
        if (vport->cur_row >= vport->rows)
643 
            vport->cur_row--;
 643 
            vport->cur_row--;
644 
    }
 644 
    }
645 
    cursor_print(vport);
 645 
    cursor_print(vport);
646 
}
 646 
}
647 
 
 647 
 
648 
/** Draw text data to viewport
 648 
/** Draw text data to viewport
649 
 *
 649 
 *
650 
 * @param vport Viewport id
 650 
 * @param vport Viewport id
651 
 * @param data Text data fitting exactly into viewport
 651 
 * @param data Text data fitting exactly into viewport
652 
 */
 652 
 */
653 
static void
 653 
static void
654 
draw_text_data(viewport_t *vport, keyfield_t *data)
 654 
draw_text_data(viewport_t *vport, keyfield_t *data)
655 
{
 655 
{
656 
    int i;
 656 
    int i;
657 
    int col,row;
 657 
    int col,row;
658 
 
 658 
 
659 
    clear_port(vport);
 659 
    clear_port(vport);
660 
    for (i = 0; i < vport->cols * vport->rows; i++) {
 660 
    for (i = 0; i < vport->cols * vport->rows; i++) {
661 
        if (data[i].character == ' ' && style_same(data[i].style,
 661 
        if (data[i].character == ' ' && style_same(data[i].style,
662 
            vport->style))
 662 
            vport->style))
663 
            continue;
 663 
            continue;
664 
        col = i % vport->cols;
 664 
        col = i % vport->cols;
665 
        row = i / vport->cols;
 665 
        row = i / vport->cols;
666 
        draw_glyph(vport, data[i].character, col * COL_WIDTH, row *
 666 
        draw_glyph(vport, data[i].character, col * COL_WIDTH, row *
667 
            FONT_SCANLINES, data[i].style,
 667 
            FONT_SCANLINES, data[i].style,
668 
            style_same(data[i].style,vport->style));
 668 
            style_same(data[i].style,vport->style));
669 
    }
 669 
    }
670 
    cursor_print(vport);
 670 
    cursor_print(vport);
671 
}
 671 
}
672 
 
 672 
 
673 
/** Return first free pixmap */
 673 
/** Return first free pixmap */
674 
static int
 674 
static int
675 
find_free_pixmap(void)
 675 
find_free_pixmap(void)
676 
{
 676 
{
677 
    int i;
 677 
    int i;
678 
   
 678 
   
679 
    for (i = 0;i < MAX_PIXMAPS;i++)
 679 
    for (i = 0;i < MAX_PIXMAPS;i++)
680 
        if (!pixmaps[i].data)
 680 
        if (!pixmaps[i].data)
681 
            return i;
 681 
            return i;
682 
    return -1;
 682 
    return -1;
683 
}
 683 
}
684 
 
 684 
 
685 
static void
 685 
static void
686 
putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)
 686 
putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color)
687 
{
 687 
{
688 
    pixmap_t *pmap = &pixmaps[pm];
 688 
    pixmap_t *pmap = &pixmaps[pm];
689 
    int pos = (y * pmap->width + x) * screen.pixelbytes;
 689 
    int pos = (y * pmap->width + x) * screen.pixelbytes;
690 
 
 690 
 
691 
    (*screen.rgb2scr)(&pmap->data[pos],COLOR(color));
 691 
    (*screen.rgb2scr)(&pmap->data[pos],COLOR(color));
692 
}
 692 
}
693 
 
 693 
 
694 
/** Create a new pixmap and return appropriate ID */
 694 
/** Create a new pixmap and return appropriate ID */
695 
static int
 695 
static int
696 
shm2pixmap(unsigned char *shm, size_t size)
 696 
shm2pixmap(unsigned char *shm, size_t size)
697 
{
 697 
{
698 
    int pm;
 698 
    int pm;
699 
    pixmap_t *pmap;
 699 
    pixmap_t *pmap;
700 
 
 700 
 
701 
    pm = find_free_pixmap();
 701 
    pm = find_free_pixmap();
702 
    if (pm == -1)
 702 
    if (pm == -1)
703 
        return ELIMIT;
 703 
        return ELIMIT;
704 
    pmap = &pixmaps[pm];
 704 
    pmap = &pixmaps[pm];
705 
   
 705 
   
706 
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
 706 
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
707 
        return EINVAL;
 707 
        return EINVAL;
708 
   
 708 
   
709 
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
 709 
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
710 
    if (!pmap->data)
 710 
    if (!pmap->data)
711 
        return ENOMEM;
 711 
        return ENOMEM;
712 
 
 712 
 
713 
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,
 713 
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height,
714 
         (putpixel_cb_t)putpixel_pixmap, (void *)pm);
 714 
         (putpixel_cb_t)putpixel_pixmap, (void *)pm);
715 
 
 715 
 
716 
    return pm;
 716 
    return pm;
717 
}
 717 
}
718 
 
 718 
 
719 
/** Handle shared memory communication calls
 719 
/** Handle shared memory communication calls
720 
 *
 720 
 *
721 
 * Protocol for drawing pixmaps:
 721 
 * Protocol for drawing pixmaps:
722 
 * - FB_PREPARE_SHM(client shm identification)
 722 
 * - FB_PREPARE_SHM(client shm identification)
723 
 * - IPC_M_AS_AREA_SEND
 723 
 * - IPC_M_AS_AREA_SEND
724 
 * - FB_DRAW_PPM(startx,starty)
 724 
 * - FB_DRAW_PPM(startx,starty)
725 
 * - FB_DROP_SHM
 725 
 * - FB_DROP_SHM
726 
 *
 726 
 *
727 
 * Protocol for text drawing
 727 
 * Protocol for text drawing
728 
 * - IPC_M_AS_AREA_SEND
 728 
 * - IPC_M_AS_AREA_SEND
729 
 * - FB_DRAW_TEXT_DATA
 729 
 * - FB_DRAW_TEXT_DATA
730 
 *
 730 
 *
731 
 * @param callid Callid of the current call
 731 
 * @param callid Callid of the current call
732 
 * @param call Current call data
 732 
 * @param call Current call data
733 
 * @param vp Active viewport
 733 
 * @param vp Active viewport
734 
 * @return 0 if the call was not handled byt this function, 1 otherwise
 734 
 * @return 0 if the call was not handled byt this function, 1 otherwise
735 
 *
 735 
 *
736 
 * note: this function is not threads safe, you would have
 736 
 * note: this function is not threads safe, you would have
737 
 * to redefine static variables with __thread
 737 
 * to redefine static variables with __thread
738 
 */
 738 
 */
739 
static int
 739 
static int
740 
shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 740 
shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
741 
{
 741 
{
742 
    static keyfield_t *interbuffer = NULL;
 742 
    static keyfield_t *interbuffer = NULL;
743 
    static size_t intersize = 0;
 743 
    static size_t intersize = 0;
744 
 
 744 
 
745 
    static unsigned char *shm = NULL;
 745 
    static unsigned char *shm = NULL;
746 
    static ipcarg_t shm_id = 0;
 746 
    static ipcarg_t shm_id = 0;
747 
    static size_t shm_size;
 747 
    static size_t shm_size;
748 
 
 748 
 
749 
    int handled = 1;
 749 
    int handled = 1;
750 
    int retval = 0;
 750 
    int retval = 0;
751 
    viewport_t *vport = &viewports[vp];
 751 
    viewport_t *vport = &viewports[vp];
752 
    unsigned int x, y;
 752 
    unsigned int x, y;
753 
 
 753 
 
754 
    switch (IPC_GET_METHOD(*call)) {
 754 
    switch (IPC_GET_METHOD(*call)) {
755 
    case IPC_M_AS_AREA_SEND:
 755 
    case IPC_M_AS_AREA_SEND:
756 
        /* We accept one area for data interchange */
 756 
        /* We accept one area for data interchange */
757 
        if (IPC_GET_ARG1(*call) == shm_id) {
 757 
        if (IPC_GET_ARG1(*call) == shm_id) {
758 
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call),
 758 
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call),
759 
                PAGE_COLOR(IPC_GET_ARG1(*call)));
 759 
                PAGE_COLOR(IPC_GET_ARG1(*call)));
760 
            shm_size = IPC_GET_ARG2(*call);
 760 
            shm_size = IPC_GET_ARG2(*call);
761 
            if (!ipc_answer_fast(callid, 0, (sysarg_t) dest, 0))
 761 
            if (!ipc_answer_fast(callid, 0, (sysarg_t) dest, 0))
762 
                shm = dest;
 762 
                shm = dest;
763 
            else
 763 
            else
764 
                shm_id = 0;
 764 
                shm_id = 0;
765 
            if (shm[0] != 'P')
 765 
            if (shm[0] != 'P')
766 
                while (1)
 766 
                while (1)
767 
                    ;
 767 
                    ;
768 
            return 1;
 768 
            return 1;
769 
        } else {
 769 
        } else {
770 
            intersize = IPC_GET_ARG2(*call);
 770 
            intersize = IPC_GET_ARG2(*call);
771 
            receive_comm_area(callid, call, (void *) &interbuffer);
 771 
            receive_comm_area(callid, call, (void *) &interbuffer);
772 
        }
 772 
        }
773 
        return 1;
 773 
        return 1;
774 
    case FB_PREPARE_SHM:
 774 
    case FB_PREPARE_SHM:
775 
        if (shm_id)
 775 
        if (shm_id)
776 
            retval = EBUSY;
 776 
            retval = EBUSY;
777 
        else
 777 
        else
778 
            shm_id = IPC_GET_ARG1(*call);
 778 
            shm_id = IPC_GET_ARG1(*call);
779 
        break;
 779 
        break;
780 
       
 780 
       
781 
    case FB_DROP_SHM:
 781 
    case FB_DROP_SHM:
782 
        if (shm) {
 782 
        if (shm) {
783 
            as_area_destroy(shm);
 783 
            as_area_destroy(shm);
784 
            shm = NULL;
 784 
            shm = NULL;
785 
        }
 785 
        }
786 
        shm_id = 0;
 786 
        shm_id = 0;
787 
        break;
 787 
        break;
788 
 
 788 
 
789 
    case FB_SHM2PIXMAP:
 789 
    case FB_SHM2PIXMAP:
790 
        if (!shm) {
 790 
        if (!shm) {
791 
            retval = EINVAL;
 791 
            retval = EINVAL;
792 
            break;
 792 
            break;
793 
        }
 793 
        }
794 
        retval = shm2pixmap(shm, shm_size);
 794 
        retval = shm2pixmap(shm, shm_size);
795 
        break;
 795 
        break;
796 
    case FB_DRAW_PPM:
 796 
    case FB_DRAW_PPM:
797 
        if (!shm) {
 797 
        if (!shm) {
798 
            retval = EINVAL;
 798 
            retval = EINVAL;
799 
            break;
 799 
            break;
800 
        }
 800 
        }
801 
        x = IPC_GET_ARG1(*call);
 801 
        x = IPC_GET_ARG1(*call);
802 
        y = IPC_GET_ARG2(*call);
 802 
        y = IPC_GET_ARG2(*call);
803 
        if (x > vport->width || y > vport->height) {
 803 
        if (x > vport->width || y > vport->height) {
804 
            retval = EINVAL;
 804 
            retval = EINVAL;
805 
            break;
 805 
            break;
806 
        }
 806 
        }
807 
       
 807 
       
808 
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
 808 
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
809 
            IPC_GET_ARG2(*call), vport->width - x,
 809 
            IPC_GET_ARG2(*call), vport->width - x,
810 
            vport->height - y, (putpixel_cb_t)putpixel, vport);
 810 
            vport->height - y, (putpixel_cb_t)putpixel, vport);
811 
        break;
 811 
        break;
812 
    case FB_DRAW_TEXT_DATA:
 812 
    case FB_DRAW_TEXT_DATA:
813 
        if (!interbuffer) {
 813 
        if (!interbuffer) {
814 
            retval = EINVAL;
 814 
            retval = EINVAL;
815 
            break;
 815 
            break;
816 
        }
 816 
        }
817 
        if (intersize < vport->cols * vport->rows *
 817 
        if (intersize < vport->cols * vport->rows *
818 
            sizeof(*interbuffer)) {
 818 
            sizeof(*interbuffer)) {
819 
            retval = EINVAL;
 819 
            retval = EINVAL;
820 
            break;
 820 
            break;
821 
        }
 821 
        }
822 
        draw_text_data(vport, interbuffer);
 822 
        draw_text_data(vport, interbuffer);
823 
        break;
 823 
        break;
824 
    default:
 824 
    default:
825 
        handled = 0;
 825 
        handled = 0;
826 
    }
 826 
    }
827 
   
 827 
   
828 
    if (handled)
 828 
    if (handled)
829 
        ipc_answer_fast(callid, retval, 0, 0);
 829 
        ipc_answer_fast(callid, retval, 0, 0);
830 
    return handled;
 830 
    return handled;
831 
}
 831 
}
832 
 
 832 
 
833 
static void
 833 
static void
834 
copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
 834 
copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
835 
{
 835 
{
836 
    int y;
 836 
    int y;
837 
    int rowsize;
 837 
    int rowsize;
838 
    int tmp;
 838 
    int tmp;
839 
    int width = vport->width;
 839 
    int width = vport->width;
840 
    int height = vport->height;
 840 
    int height = vport->height;
841 
 
 841 
 
842 
    if (width + vport->x > screen.xres)
 842 
    if (width + vport->x > screen.xres)
843 
        width = screen.xres - vport->x;
 843 
        width = screen.xres - vport->x;
844 
    if (height + vport->y  > screen.yres)
 844 
    if (height + vport->y  > screen.yres)
845 
        height = screen.yres - vport->y;
 845 
        height = screen.yres - vport->y;
846 
 
 846 
 
847 
    rowsize = width * screen.pixelbytes;
 847 
    rowsize = width * screen.pixelbytes;
848 
 
 848 
 
849 
    for (y = 0; y < height; y++) {
 849 
    for (y = 0; y < height; y++) {
850 
        tmp = (vport->y + y) * screen.scanline +
 850 
        tmp = (vport->y + y) * screen.scanline +
851 
            vport->x * screen.pixelbytes;
 851 
            vport->x * screen.pixelbytes;
852 
        memcpy(pmap->data + rowsize * y, screen.fbaddress + tmp,
 852 
        memcpy(pmap->data + rowsize * y, screen.fbaddress + tmp,
853 
            rowsize);
 853 
            rowsize);
854 
    }
 854 
    }
855 
}
 855 
}
856 
 
 856 
 
857 
/** Save viewport to pixmap */
 857 
/** Save viewport to pixmap */
858 
static int
 858 
static int
859 
save_vp_to_pixmap(viewport_t *vport)
 859 
save_vp_to_pixmap(viewport_t *vport)
860 
{
 860 
{
861 
    int pm;
 861 
    int pm;
862 
    pixmap_t *pmap;
 862 
    pixmap_t *pmap;
863 
 
 863 
 
864 
    pm = find_free_pixmap();
 864 
    pm = find_free_pixmap();
865 
    if (pm == -1)
 865 
    if (pm == -1)
866 
        return ELIMIT;
 866 
        return ELIMIT;
867 
   
 867 
   
868 
    pmap = &pixmaps[pm];
 868 
    pmap = &pixmaps[pm];
869 
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
 869 
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
870 
    if (!pmap->data)
 870 
    if (!pmap->data)
871 
        return ENOMEM;
 871 
        return ENOMEM;
872 
 
 872 
 
873 
    pmap->width = vport->width;
 873 
    pmap->width = vport->width;
874 
    pmap->height = vport->height;
 874 
    pmap->height = vport->height;
875 
 
 875 
 
876 
    copy_vp_to_pixmap(vport, pmap);
 876 
    copy_vp_to_pixmap(vport, pmap);
877 
   
 877 
   
878 
    return pm;
 878 
    return pm;
879 
}
 879 
}
880 
 
 880 
 
881 
/** Draw pixmap on screen
 881 
/** Draw pixmap on screen
882 
 *
 882 
 *
883 
 * @param vp Viewport to draw on
 883 
 * @param vp Viewport to draw on
884 
 * @param pm Pixmap identifier
 884 
 * @param pm Pixmap identifier
885 
 */
 885 
 */
886 
static int draw_pixmap(int vp, int pm)
 886 
static int draw_pixmap(int vp, int pm)
887 
{
 887 
{
888 
    pixmap_t *pmap = &pixmaps[pm];
 888 
    pixmap_t *pmap = &pixmaps[pm];
889 
    viewport_t *vport = &viewports[vp];
 889 
    viewport_t *vport = &viewports[vp];
890 
    int y;
 890 
    int y;
891 
    int tmp, srcrowsize;
 891 
    int tmp, srcrowsize;
892 
    int realwidth, realheight, realrowsize;
 892 
    int realwidth, realheight, realrowsize;
893 
    int width = vport->width;
 893 
    int width = vport->width;
894 
    int height = vport->height;
 894 
    int height = vport->height;
895 
 
 895 
 
896 
    if (width + vport->x > screen.xres)
 896 
    if (width + vport->x > screen.xres)
897 
        width = screen.xres - vport->x;
 897 
        width = screen.xres - vport->x;
898 
    if (height + vport->y > screen.yres)
 898 
    if (height + vport->y > screen.yres)
899 
        height = screen.yres - vport->y;
 899 
        height = screen.yres - vport->y;
900 
 
 900 
 
901 
    if (!pmap->data)
 901 
    if (!pmap->data)
902 
        return EINVAL;
 902 
        return EINVAL;
903 
 
 903 
 
904 
    realwidth = pmap->width <= width ? pmap->width : width;
 904 
    realwidth = pmap->width <= width ? pmap->width : width;
905 
    realheight = pmap->height <= height ? pmap->height : height;
 905 
    realheight = pmap->height <= height ? pmap->height : height;
906 
 
 906 
 
907 
    srcrowsize = vport->width * screen.pixelbytes;
 907 
    srcrowsize = vport->width * screen.pixelbytes;
908 
    realrowsize = realwidth * screen.pixelbytes;
 908 
    realrowsize = realwidth * screen.pixelbytes;
909 
 
 909 
 
910 
    for (y = 0; y < realheight; y++) {
 910 
    for (y = 0; y < realheight; y++) {
911 
        tmp = (vport->y + y) * screen.scanline +
 911 
        tmp = (vport->y + y) * screen.scanline +
912 
            vport->x * screen.pixelbytes;
 912 
            vport->x * screen.pixelbytes;
913 
        memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize,
 913 
        memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize,
914 
            realrowsize);
 914 
            realrowsize);
915 
    }
 915 
    }
916 
    return 0;
 916 
    return 0;
917 
}
 917 
}
918 
 
 918 
 
919 
/** Tick animation one step forward */
 919 
/** Tick animation one step forward */
920 
static void
 920 
static void
921 
anims_tick(void)
 921 
anims_tick(void)
922 
{
 922 
{
923 
    int i;
 923 
    int i;
924 
    static int counts = 0;
 924 
    static int counts = 0;
925 
   
 925 
   
926 
    /* Limit redrawing */
 926 
    /* Limit redrawing */
927 
    counts = (counts + 1) % 8;
 927 
    counts = (counts + 1) % 8;
928 
    if (counts)
 928 
    if (counts)
929 
        return;
 929 
        return;
930 
 
 930 
 
931 
    for (i = 0; i < MAX_ANIMATIONS; i++) {
 931 
    for (i = 0; i < MAX_ANIMATIONS; i++) {
932 
        if (!animations[i].animlen || !animations[i].initialized ||
 932 
        if (!animations[i].animlen || !animations[i].initialized ||
933 
            !animations[i].enabled)
 933 
            !animations[i].enabled)
934 
            continue;
 934 
            continue;
935 
        draw_pixmap(animations[i].vp,
 935 
        draw_pixmap(animations[i].vp,
936 
            animations[i].pixmaps[animations[i].pos]);
 936 
            animations[i].pixmaps[animations[i].pos]);
937 
        animations[i].pos = (animations[i].pos + 1) %
 937 
        animations[i].pos = (animations[i].pos + 1) %
938 
            animations[i].animlen;
 938 
            animations[i].animlen;
939 
    }
 939 
    }
940 
}
 940 
}
941 
 
 941 
 
942 
 
 942 
 
943 
static int pointer_x, pointer_y;
 943 
static int pointer_x, pointer_y;
944 
static int pointer_shown, pointer_enabled;
 944 
static int pointer_shown, pointer_enabled;
945 
static int pointer_vport = -1;
 945 
static int pointer_vport = -1;
946 
static int pointer_pixmap = -1;
 946 
static int pointer_pixmap = -1;
947 
 
 947 
 
948 
static void
 948 
static void
949 
mouse_show(void)
 949 
mouse_show(void)
950 
{
 950 
{
951 
    int i, j;
 951 
    int i, j;
952 
    int visibility;
 952 
    int visibility;
953 
    int color;
 953 
    int color;
954 
    int bytepos;
 954 
    int bytepos;
955 
 
 955 
 
956 
    if (pointer_shown || !pointer_enabled)
 956 
    if (pointer_shown || !pointer_enabled)
957 
        return;
 957 
        return;
958 
 
 958 
 
959 
    /* Save image under the cursor */
 959 
    /* Save image under the cursor */
960 
    if (pointer_vport == -1) {
 960 
    if (pointer_vport == -1) {
961 
        pointer_vport = viewport_create(pointer_x, pointer_y,
 961 
        pointer_vport = viewport_create(pointer_x, pointer_y,
962 
            pointer_width, pointer_height);
 962 
            pointer_width, pointer_height);
963 
        if (pointer_vport < 0)
 963 
        if (pointer_vport < 0)
964 
            return;
 964 
            return;
965 
    } else {
 965 
    } else {
966 
        viewports[pointer_vport].x = pointer_x;
 966 
        viewports[pointer_vport].x = pointer_x;
967 
        viewports[pointer_vport].y = pointer_y;
 967 
        viewports[pointer_vport].y = pointer_y;
968 
    }
 968 
    }
969 
 
 969 
 
970 
    if (pointer_pixmap == -1)
 970 
    if (pointer_pixmap == -1)
971 
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
 971 
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
972 
    else
 972 
    else
973 
        copy_vp_to_pixmap(&viewports[pointer_vport],
 973 
        copy_vp_to_pixmap(&viewports[pointer_vport],
974 
            &pixmaps[pointer_pixmap]);
 974 
            &pixmaps[pointer_pixmap]);
975 
 
 975 
 
976 
    /* Draw cursor */
 976 
    /* Draw cursor */
977 
    for (i = 0; i < pointer_height; i++)
 977 
    for (i = 0; i < pointer_height; i++)
978 
        for (j = 0; j < pointer_width; j++) {
 978 
        for (j = 0; j < pointer_width; j++) {
979 
            bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
 979 
            bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
980 
            visibility = pointer_mask_bits[bytepos] &
 980 
            visibility = pointer_mask_bits[bytepos] &
981 
                (1 << (j % 8));
 981 
                (1 << (j % 8));
982 
            if (visibility) {
 982 
            if (visibility) {
983 
                color = pointer_bits[bytepos] & (1 << (j % 8))
 983 
                color = pointer_bits[bytepos] & (1 << (j % 8))
984 
                    ? 0 : 0xffffff;
 984 
                    ? 0 : 0xffffff;
985 
                if (pointer_x + j < screen.xres && pointer_y +
 985 
                if (pointer_x + j < screen.xres && pointer_y +
986 
                    i < screen.yres)
 986 
                    i < screen.yres)
987 
                    putpixel(&viewports[0], pointer_x + j,
 987 
                    putpixel(&viewports[0], pointer_x + j,
988 
                        pointer_y + i, color);
 988 
                        pointer_y + i, color);
989 
            }
 989 
            }
990 
        }
 990 
        }
991 
    pointer_shown = 1;
 991 
    pointer_shown = 1;
992 
}
 992 
}
993 
 
 993 
 
994 
static void
 994 
static void
995 
mouse_hide(void)
 995 
mouse_hide(void)
996 
{
 996 
{
997 
    /* Restore image under the cursor */
 997 
    /* Restore image under the cursor */
998 
    if (pointer_shown) {
 998 
    if (pointer_shown) {
999 
        draw_pixmap(pointer_vport, pointer_pixmap);
 999 
        draw_pixmap(pointer_vport, pointer_pixmap);
1000 
        pointer_shown = 0;
 1000 
        pointer_shown = 0;
1001 
    }
 1001 
    }
1002 
}
 1002 
}
1003 
 
 1003 
 
1004 
static void
 1004 
static void
1005 
mouse_move(unsigned int x, unsigned int y)
 1005 
mouse_move(unsigned int x, unsigned int y)
1006 
{
 1006 
{
1007 
    mouse_hide();
 1007 
    mouse_hide();
1008 
    pointer_x = x;
 1008 
    pointer_x = x;
1009 
    pointer_y = y;
 1009 
    pointer_y = y;
1010 
    mouse_show();
 1010 
    mouse_show();
1011 
}
 1011 
}
1012 
 
 1012 
 
1013 
static int
 1013 
static int
1014 
anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 1014 
anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1015 
{
 1015 
{
1016 
    int handled = 1;
 1016 
    int handled = 1;
1017 
    int retval = 0;
 1017 
    int retval = 0;
1018 
    int i,nvp;
 1018 
    int i,nvp;
1019 
    int newval;
 1019 
    int newval;
1020 
 
 1020 
 
1021 
    switch (IPC_GET_METHOD(*call)) {
 1021 
    switch (IPC_GET_METHOD(*call)) {
1022 
    case FB_ANIM_CREATE:
 1022 
    case FB_ANIM_CREATE:
1023 
        nvp = IPC_GET_ARG1(*call);
 1023 
        nvp = IPC_GET_ARG1(*call);
1024 
        if (nvp == -1)
 1024 
        if (nvp == -1)
1025 
            nvp = vp;
 1025 
            nvp = vp;
1026 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
 1026 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
1027 
            !viewports[nvp].initialized) {
 1027 
            !viewports[nvp].initialized) {
1028 
            retval = EINVAL;
 1028 
            retval = EINVAL;
1029 
            break;
 1029 
            break;
1030 
        }
 1030 
        }
1031 
        for (i = 0; i < MAX_ANIMATIONS; i++) {
 1031 
        for (i = 0; i < MAX_ANIMATIONS; i++) {
1032 
            if (!animations[i].initialized)
 1032 
            if (!animations[i].initialized)
1033 
                break;
 1033 
                break;
1034 
        }
 1034 
        }
1035 
        if (i == MAX_ANIMATIONS) {
 1035 
        if (i == MAX_ANIMATIONS) {
1036 
            retval = ELIMIT;
 1036 
            retval = ELIMIT;
1037 
            break;
 1037 
            break;
1038 
        }
 1038 
        }
1039 
        animations[i].initialized = 1;
 1039 
        animations[i].initialized = 1;
1040 
        animations[i].animlen = 0;
 1040 
        animations[i].animlen = 0;
1041 
        animations[i].pos = 0;
 1041 
        animations[i].pos = 0;
1042 
        animations[i].enabled = 0;
 1042 
        animations[i].enabled = 0;
1043 
        animations[i].vp = nvp;
 1043 
        animations[i].vp = nvp;
1044 
        retval = i;
 1044 
        retval = i;
1045 
        break;
 1045 
        break;
1046 
    case FB_ANIM_DROP:
 1046 
    case FB_ANIM_DROP:
1047 
        i = IPC_GET_ARG1(*call);
 1047 
        i = IPC_GET_ARG1(*call);
1048 
        if (i >= MAX_ANIMATIONS || i < 0) {
 1048 
        if (i >= MAX_ANIMATIONS || i < 0) {
1049 
            retval = EINVAL;
 1049 
            retval = EINVAL;
1050 
            break;
 1050 
            break;
1051 
        }
 1051 
        }
1052 
        animations[i].initialized = 0;
 1052 
        animations[i].initialized = 0;
1053 
        break;
 1053 
        break;
1054 
    case FB_ANIM_ADDPIXMAP:
 1054 
    case FB_ANIM_ADDPIXMAP:
1055 
        i = IPC_GET_ARG1(*call);
 1055 
        i = IPC_GET_ARG1(*call);
1056 
        if (i >= MAX_ANIMATIONS || i < 0 ||
 1056 
        if (i >= MAX_ANIMATIONS || i < 0 ||
1057 
            !animations[i].initialized) {
 1057 
            !animations[i].initialized) {
1058 
            retval = EINVAL;
 1058 
            retval = EINVAL;
1059 
            break;
 1059 
            break;
1060 
        }
 1060 
        }
1061 
        if (animations[i].animlen == MAX_ANIM_LEN) {
 1061 
        if (animations[i].animlen == MAX_ANIM_LEN) {
1062 
            retval = ELIMIT;
 1062 
            retval = ELIMIT;
1063 
            break;
 1063 
            break;
1064 
        }
 1064 
        }
1065 
        newval = IPC_GET_ARG2(*call);
 1065 
        newval = IPC_GET_ARG2(*call);
1066 
        if (newval < 0 || newval > MAX_PIXMAPS ||
 1066 
        if (newval < 0 || newval > MAX_PIXMAPS ||
1067 
            !pixmaps[newval].data) {
 1067 
            !pixmaps[newval].data) {
1068 
            retval = EINVAL;
 1068 
            retval = EINVAL;
1069 
            break;
 1069 
            break;
1070 
        }
 1070 
        }
1071 
        animations[i].pixmaps[animations[i].animlen++] = newval;
 1071 
        animations[i].pixmaps[animations[i].animlen++] = newval;
1072 
        break;
 1072 
        break;
1073 
    case FB_ANIM_CHGVP:
 1073 
    case FB_ANIM_CHGVP:
1074 
        i = IPC_GET_ARG1(*call);
 1074 
        i = IPC_GET_ARG1(*call);
1075 
        if (i >= MAX_ANIMATIONS || i < 0) {
 1075 
        if (i >= MAX_ANIMATIONS || i < 0) {
1076 
            retval = EINVAL;
 1076 
            retval = EINVAL;
1077 
            break;
 1077 
            break;
1078 
        }
 1078 
        }
1079 
        nvp = IPC_GET_ARG2(*call);
 1079 
        nvp = IPC_GET_ARG2(*call);
1080 
        if (nvp == -1)
 1080 
        if (nvp == -1)
1081 
            nvp = vp;
 1081 
            nvp = vp;
1082 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
 1082 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
1083 
            !viewports[nvp].initialized) {
 1083 
            !viewports[nvp].initialized) {
1084 
            retval = EINVAL;
 1084 
            retval = EINVAL;
1085 
            break;
 1085 
            break;
1086 
        }
 1086 
        }
1087 
        animations[i].vp = nvp;
 1087 
        animations[i].vp = nvp;
1088 
        break;
 1088 
        break;
1089 
    case FB_ANIM_START:
 1089 
    case FB_ANIM_START:
1090 
    case FB_ANIM_STOP:
 1090 
    case FB_ANIM_STOP:
1091 
        i = IPC_GET_ARG1(*call);
 1091 
        i = IPC_GET_ARG1(*call);
1092 
        if (i >= MAX_ANIMATIONS || i < 0) {
 1092 
        if (i >= MAX_ANIMATIONS || i < 0) {
1093 
            retval = EINVAL;
 1093 
            retval = EINVAL;
1094 
            break;
 1094 
            break;
1095 
        }
 1095 
        }
1096 
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
 1096 
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
1097 
        if (newval ^ animations[i].enabled) {
 1097 
        if (newval ^ animations[i].enabled) {
1098 
            animations[i].enabled = newval;
 1098 
            animations[i].enabled = newval;
1099 
            anims_enabled += newval ? 1 : -1;
 1099 
            anims_enabled += newval ? 1 : -1;
1100 
        }
 1100 
        }
1101 
        break;
 1101 
        break;
1102 
    default:
 1102 
    default:
1103 
        handled = 0;
 1103 
        handled = 0;
1104 
    }
 1104 
    }
1105 
    if (handled)
 1105 
    if (handled)
1106 
        ipc_answer_fast(callid, retval, 0, 0);
 1106 
        ipc_answer_fast(callid, retval, 0, 0);
1107 
    return handled;
 1107 
    return handled;
1108 
}
 1108 
}
1109 
 
 1109 
 
1110 
/** Handler for messages concerning pixmap handling */
 1110 
/** Handler for messages concerning pixmap handling */
1111 
static int
 1111 
static int
1112 
pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 1112 
pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1113 
{
 1113 
{
1114 
    int handled = 1;
 1114 
    int handled = 1;
1115 
    int retval = 0;
 1115 
    int retval = 0;
1116 
    int i,nvp;
 1116 
    int i,nvp;
1117 
 
 1117 
 
1118 
    switch (IPC_GET_METHOD(*call)) {
 1118 
    switch (IPC_GET_METHOD(*call)) {
1119 
    case FB_VP_DRAW_PIXMAP:
 1119 
    case FB_VP_DRAW_PIXMAP:
1120 
        nvp = IPC_GET_ARG1(*call);
 1120 
        nvp = IPC_GET_ARG1(*call);
1121 
        if (nvp == -1)
 1121 
        if (nvp == -1)
1122 
            nvp = vp;
 1122 
            nvp = vp;
1123 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
 1123 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
1124 
            !viewports[nvp].initialized) {
 1124 
            !viewports[nvp].initialized) {
1125 
            retval = EINVAL;
 1125 
            retval = EINVAL;
1126 
            break;
 1126 
            break;
1127 
        }
 1127 
        }
1128 
        i = IPC_GET_ARG2(*call);
 1128 
        i = IPC_GET_ARG2(*call);
1129 
        retval = draw_pixmap(nvp, i);
 1129 
        retval = draw_pixmap(nvp, i);
1130 
        break;
 1130 
        break;
1131 
    case FB_VP2PIXMAP:
 1131 
    case FB_VP2PIXMAP:
1132 
        nvp = IPC_GET_ARG1(*call);
 1132 
        nvp = IPC_GET_ARG1(*call);
1133 
        if (nvp == -1)
 1133 
        if (nvp == -1)
1134 
            nvp = vp;
 1134 
            nvp = vp;
1135 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
 1135 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
1136 
            !viewports[nvp].initialized)
 1136 
            !viewports[nvp].initialized)
1137 
            retval = EINVAL;
 1137 
            retval = EINVAL;
1138 
        else
 1138 
        else
1139 
            retval = save_vp_to_pixmap(&viewports[nvp]);
 1139 
            retval = save_vp_to_pixmap(&viewports[nvp]);
1140 
        break;
 1140 
        break;
1141 
    case FB_DROP_PIXMAP:
 1141 
    case FB_DROP_PIXMAP:
1142 
        i = IPC_GET_ARG1(*call);
 1142 
        i = IPC_GET_ARG1(*call);
1143 
        if (i >= MAX_PIXMAPS) {
 1143 
        if (i >= MAX_PIXMAPS) {
1144 
            retval = EINVAL;
 1144 
            retval = EINVAL;
1145 
            break;
 1145 
            break;
1146 
        }
 1146 
        }
1147 
        if (pixmaps[i].data) {
 1147 
        if (pixmaps[i].data) {
1148 
            free(pixmaps[i].data);
 1148 
            free(pixmaps[i].data);
1149 
            pixmaps[i].data = NULL;
 1149 
            pixmaps[i].data = NULL;
1150 
        }
 1150 
        }
1151 
        break;
 1151 
        break;
1152 
    default:
 1152 
    default:
1153 
        handled = 0;
 1153 
        handled = 0;
1154 
    }
 1154 
    }
1155 
 
 1155 
 
1156 
    if (handled)
 1156 
    if (handled)
1157 
        ipc_answer_fast(callid, retval, 0, 0);
 1157 
        ipc_answer_fast(callid, retval, 0, 0);
1158 
    return handled;
 1158 
    return handled;
1159 
   
 1159 
   
1160 
}
 1160 
}
1161 
 
 1161 
 
1162 
/** Function for handling connections to FB
 1162 
/** Function for handling connections to FB
1163 
 *
 1163 
 *
1164 
 */
 1164 
 */
1165 
static void
 1165 
static void
1166 
fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
 1166 
fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1167 
{
 1167 
{
1168 
    ipc_callid_t callid;
 1168 
    ipc_callid_t callid;
1169 
    ipc_call_t call;
 1169 
    ipc_call_t call;
1170 
    int retval;
 1170 
    int retval;
1171 
    int i;
 1171 
    int i;
1172 
    unsigned int row,col;
 1172 
    unsigned int row,col;
1173 
    char c;
 1173 
    char c;
1174 
 
 1174 
 
1175 
    int vp = 0;
 1175 
    int vp = 0;
1176 
    viewport_t *vport = &viewports[0];
 1176 
    viewport_t *vport = &viewports[0];
1177 
 
 1177 
 
1178 
    if (client_connected) {
 1178 
    if (client_connected) {
1179 
        ipc_answer_fast(iid, ELIMIT, 0,0);
 1179 
        ipc_answer_fast(iid, ELIMIT, 0,0);
1180 
        return;
 1180 
        return;
1181 
    }
 1181 
    }
1182 
    client_connected = 1;
 1182 
    client_connected = 1;
1183 
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
 1183 
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
1184 
 
 1184 
 
1185 
    while (1) {
 1185 
    while (1) {
1186 
        if (vport->cursor_active || anims_enabled)
 1186 
        if (vport->cursor_active || anims_enabled)
1187 
            callid = async_get_call_timeout(&call, 250000);
 1187 
            callid = async_get_call_timeout(&call, 250000);
1188 
        else
 1188 
        else
1189 
            callid = async_get_call(&call);
 1189 
            callid = async_get_call(&call);
1190 
 
 1190 
 
1191 
        mouse_hide();
 1191 
        mouse_hide();
1192 
        if (!callid) {
 1192 
        if (!callid) {
1193 
            cursor_blink(vport);
 1193 
            cursor_blink(vport);
1194 
            anims_tick();
 1194 
            anims_tick();
1195 
            mouse_show();
 1195 
            mouse_show();
1196 
            continue;
 1196 
            continue;
1197 
        }
 1197 
        }
1198 
        if (shm_handle(callid, &call, vp))
 1198 
        if (shm_handle(callid, &call, vp))
1199 
            continue;
 1199 
            continue;
1200 
        if (pixmap_handle(callid, &call, vp))
 1200 
        if (pixmap_handle(callid, &call, vp))
1201 
            continue;
 1201 
            continue;
1202 
        if (anim_handle(callid, &call, vp))
 1202 
        if (anim_handle(callid, &call, vp))
1203 
            continue;
 1203 
            continue;
1204 
 
 1204 
 
1205 
        switch (IPC_GET_METHOD(call)) {
 1205 
        switch (IPC_GET_METHOD(call)) {
1206 
        case IPC_M_PHONE_HUNGUP:
 1206 
        case IPC_M_PHONE_HUNGUP:
1207 
            client_connected = 0;
 1207 
            client_connected = 0;
1208 
            /* cleanup other viewports */
 1208 
            /* cleanup other viewports */
1209 
            for (i = 1; i < MAX_VIEWPORTS; i++)
 1209 
            for (i = 1; i < MAX_VIEWPORTS; i++)
1210 
                vport->initialized = 0;
 1210 
                vport->initialized = 0;
1211 
            return; /* Exit thread */
 1211 
            return; /* Exit thread */
1212 
 
 1212 
 
1213 
        case FB_PUTCHAR:
 1213 
        case FB_PUTCHAR:
1214 
        case FB_TRANS_PUTCHAR:
 1214 
        case FB_TRANS_PUTCHAR:
1215 
            c = IPC_GET_ARG1(call);
 1215 
            c = IPC_GET_ARG1(call);
1216 
            row = IPC_GET_ARG2(call);
 1216 
            row = IPC_GET_ARG2(call);
1217 
            col = IPC_GET_ARG3(call);
 1217 
            col = IPC_GET_ARG3(call);
1218 
            if (row >= vport->rows || col >= vport->cols) {
 1218 
            if (row >= vport->rows || col >= vport->cols) {
1219 
                retval = EINVAL;
 1219 
                retval = EINVAL;
1220 
                break;
 1220 
                break;
1221 
            }
 1221 
            }
1222 
            ipc_answer_fast(callid, 0, 0, 0);
 1222 
            ipc_answer_fast(callid, 0, 0, 0);
1223 
 
 1223 
 
1224 
            draw_char(vport, c, row, col, vport->style,
 1224 
            draw_char(vport, c, row, col, vport->style,
1225 
                IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);
 1225 
                IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR);
1226 
            continue; /* msg already answered */
 1226 
            continue; /* msg already answered */
1227 
        case FB_CLEAR:
 1227 
        case FB_CLEAR:
1228 
            clear_port(vport);
 1228 
            clear_port(vport);
1229 
            cursor_print(vport);
 1229 
            cursor_print(vport);
1230 
            retval = 0;
 1230 
            retval = 0;
1231 
            break;
 1231 
            break;
1232 
        case FB_CURSOR_GOTO:
 1232 
        case FB_CURSOR_GOTO:
1233 
            row = IPC_GET_ARG1(call);
 1233 
            row = IPC_GET_ARG1(call);
1234 
            col = IPC_GET_ARG2(call);
 1234 
            col = IPC_GET_ARG2(call);
1235 
            if (row >= vport->rows || col >= vport->cols) {
 1235 
            if (row >= vport->rows || col >= vport->cols) {
1236 
                retval = EINVAL;
 1236 
                retval = EINVAL;
1237 
                break;
 1237 
                break;
1238 
            }
 1238 
            }
1239 
            retval = 0;
 1239 
            retval = 0;
1240 
            cursor_hide(vport);
 1240 
            cursor_hide(vport);
1241 
            vport->cur_col = col;
 1241 
            vport->cur_col = col;
1242 
            vport->cur_row = row;
 1242 
            vport->cur_row = row;
1243 
            cursor_print(vport);
 1243 
            cursor_print(vport);
1244 
            break;
 1244 
            break;
1245 
        case FB_CURSOR_VISIBILITY:
 1245 
        case FB_CURSOR_VISIBILITY:
1246 
            cursor_hide(vport);
 1246 
            cursor_hide(vport);
1247 
            vport->cursor_active = IPC_GET_ARG1(call);
 1247 
            vport->cursor_active = IPC_GET_ARG1(call);
1248 
            cursor_print(vport);
 1248 
            cursor_print(vport);
1249 
            retval = 0;
 1249 
            retval = 0;
1250 
            break;
 1250 
            break;
1251 
        case FB_GET_CSIZE:
 1251 
        case FB_GET_CSIZE:
1252 
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
 1252 
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
1253 
            continue;
 1253 
            continue;
1254 
        case FB_SCROLL:
 1254 
        case FB_SCROLL:
1255 
            i = IPC_GET_ARG1(call);
 1255 
            i = IPC_GET_ARG1(call);
1256 
            if (i > vport->rows || i < (- (int)vport->rows)) {
 1256 
            if (i > vport->rows || i < (- (int)vport->rows)) {
1257 
                retval = EINVAL;
 1257 
                retval = EINVAL;
1258 
                break;
 1258 
                break;
1259 
            }
 1259 
            }
1260 
            cursor_hide(vport);
 1260 
            cursor_hide(vport);
1261 
            scroll_port(vport, i*FONT_SCANLINES);
 1261 
            scroll_port(vport, i*FONT_SCANLINES);
1262 
            cursor_print(vport);
 1262 
            cursor_print(vport);
1263 
            retval = 0;
 1263 
            retval = 0;
1264 
            break;
 1264 
            break;
1265 
        case FB_VIEWPORT_DB:
 1265 
        case FB_VIEWPORT_DB:
1266 
            /* Enable double buffering */
 1266 
            /* Enable double buffering */
1267 
            i = IPC_GET_ARG1(call);
 1267 
            i = IPC_GET_ARG1(call);
1268 
            if (i == -1)
 1268 
            if (i == -1)
1269 
                i = vp;
 1269 
                i = vp;
1270 
            if (i < 0 || i >= MAX_VIEWPORTS) {
 1270 
            if (i < 0 || i >= MAX_VIEWPORTS) {
1271 
                retval = EINVAL;
 1271 
                retval = EINVAL;
1272 
                break;
 1272 
                break;
1273 
            }
 1273 
            }
1274 
            if (! viewports[i].initialized ) {
 1274 
            if (! viewports[i].initialized ) {
1275 
                retval = EADDRNOTAVAIL;
 1275 
                retval = EADDRNOTAVAIL;
1276 
                break;
 1276 
                break;
1277 
            }
 1277 
            }
1278 
            viewports[i].dboffset = 0;
 1278 
            viewports[i].dboffset = 0;
1279 
            if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)
 1279 
            if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata)
1280 
                viewports[i].dbdata = malloc(screen.pixelbytes
 1280 
                viewports[i].dbdata = malloc(screen.pixelbytes
1281 
                    * viewports[i].width *
 1281 
                    * viewports[i].width *
1282 
                    viewports[i].height);
 1282 
                    viewports[i].height);
1283 
            else if (IPC_GET_ARG2(call) == 0 &&
 1283 
            else if (IPC_GET_ARG2(call) == 0 &&
1284 
                viewports[i].dbdata) {
 1284 
                viewports[i].dbdata) {
1285 
                free(viewports[i].dbdata);
 1285 
                free(viewports[i].dbdata);
1286 
                viewports[i].dbdata = NULL;
 1286 
                viewports[i].dbdata = NULL;
1287 
            }
 1287 
            }
1288 
            retval = 0;
 1288 
            retval = 0;
1289 
            break;
 1289 
            break;
1290 
        case FB_VIEWPORT_SWITCH:
 1290 
        case FB_VIEWPORT_SWITCH:
1291 
            i = IPC_GET_ARG1(call);
 1291 
            i = IPC_GET_ARG1(call);
1292 
            if (i < 0 || i >= MAX_VIEWPORTS) {
 1292 
            if (i < 0 || i >= MAX_VIEWPORTS) {
1293 
                retval = EINVAL;
 1293 
                retval = EINVAL;
1294 
                break;
 1294 
                break;
1295 
            }
 1295 
            }
1296 
            if (! viewports[i].initialized ) {
 1296 
            if (! viewports[i].initialized ) {
1297 
                retval = EADDRNOTAVAIL;
 1297 
                retval = EADDRNOTAVAIL;
1298 
                break;
 1298 
                break;
1299 
            }
 1299 
            }
1300 
            cursor_hide(vport);
 1300 
            cursor_hide(vport);
1301 
            vp = i;
 1301 
            vp = i;
1302 
            vport = &viewports[vp];
 1302 
            vport = &viewports[vp];
1303 
            cursor_print(vport);
 1303 
            cursor_print(vport);
1304 
            retval = 0;
 1304 
            retval = 0;
1305 
            break;
 1305 
            break;
1306 
        case FB_VIEWPORT_CREATE:
 1306 
        case FB_VIEWPORT_CREATE:
1307 
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
 1307 
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
1308 
                IPC_GET_ARG1(call) & 0xffff,
 1308 
                IPC_GET_ARG1(call) & 0xffff,
1309 
                IPC_GET_ARG2(call) >> 16,
 1309 
                IPC_GET_ARG2(call) >> 16,
1310 
                IPC_GET_ARG2(call) & 0xffff);
 1310 
                IPC_GET_ARG2(call) & 0xffff);
1311 
            break;
 1311 
            break;
1312 
        case FB_VIEWPORT_DELETE:
 1312 
        case FB_VIEWPORT_DELETE:
1313 
            i = IPC_GET_ARG1(call);
 1313 
            i = IPC_GET_ARG1(call);
1314 
            if (i < 0 || i >= MAX_VIEWPORTS) {
 1314 
            if (i < 0 || i >= MAX_VIEWPORTS) {
1315 
                retval = EINVAL;
 1315 
                retval = EINVAL;
1316 
                break;
 1316 
                break;
1317 
            }
 1317 
            }
1318 
            if (! viewports[i].initialized ) {
 1318 
            if (! viewports[i].initialized ) {
1319 
                retval = EADDRNOTAVAIL;
 1319 
                retval = EADDRNOTAVAIL;
1320 
                break;
 1320 
                break;
1321 
            }
 1321 
            }
1322 
            viewports[i].initialized = 0;
 1322 
            viewports[i].initialized = 0;
1323 
            if (viewports[i].dbdata) {
 1323 
            if (viewports[i].dbdata) {
1324 
                free(viewports[i].dbdata);
 1324 
                free(viewports[i].dbdata);
1325 
                viewports[i].dbdata = NULL;
 1325 
                viewports[i].dbdata = NULL;
1326 
            }
 1326 
            }
1327 
            retval = 0;
 1327 
            retval = 0;
1328 
            break;
 1328 
            break;
1329 
        case FB_SET_STYLE:
 1329 
        case FB_SET_STYLE:
1330 
            vport->style.fg_color = IPC_GET_ARG1(call);
 1330 
            vport->style.fg_color = IPC_GET_ARG1(call);
1331 
            vport->style.bg_color = IPC_GET_ARG2(call);
 1331 
            vport->style.bg_color = IPC_GET_ARG2(call);
1332 
            retval = 0;
 1332 
            retval = 0;
1333 
            break;
 1333 
            break;
1334 
        case FB_GET_RESOLUTION:
 1334 
        case FB_GET_RESOLUTION:
1335 
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
 1335 
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
1336 
            continue;
 1336 
            continue;
1337 
        case FB_POINTER_MOVE:
 1337 
        case FB_POINTER_MOVE:
1338 
            pointer_enabled = 1;
 1338 
            pointer_enabled = 1;
1339 
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
 1339 
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
1340 
            retval = 0;
 1340 
            retval = 0;
1341 
            break;
 1341 
            break;
1342 
        default:
 1342 
        default:
1343 
            retval = ENOENT;
 1343 
            retval = ENOENT;
1344 
        }
 1344 
        }
1345 
        ipc_answer_fast(callid,retval, 0, 0);
 1345 
        ipc_answer_fast(callid,retval, 0, 0);
1346 
    }
 1346 
    }
1347 
}
 1347 
}
1348 
 
 1348 
 
1349 
/** Initialization of framebuffer */
 1349 
/** Initialization of framebuffer */
1350 
int
 1350 
int
1351 
fb_init(void)
 1351 
fb_init(void)
1352 
{
 1352 
{
1353 
    void *fb_ph_addr;
 1353 
    void *fb_ph_addr;
1354 
    unsigned int fb_width;
 1354 
    unsigned int fb_width;
1355 
    unsigned int fb_height;
 1355 
    unsigned int fb_height;
1356 
    unsigned int fb_scanline;
 1356 
    unsigned int fb_scanline;
1357 
    unsigned int fb_visual;
 1357 
    unsigned int fb_visual;
1358 
    bool fb_invert_colors;
 1358 
    bool fb_invert_colors;
1359 
    void *fb_addr;
 1359 
    void *fb_addr;
1360 
    size_t asz;
 1360 
    size_t asz;
1361 
 
 1361 
 
1362 
    async_set_client_connection(fb_client_connection);
 1362 
    async_set_client_connection(fb_client_connection);
1363 
 
 1363 
 
1364 
    fb_ph_addr = (void *) sysinfo_value("fb.address.physical");
 1364 
    fb_ph_addr = (void *) sysinfo_value("fb.address.physical");
1365 
    fb_width = sysinfo_value("fb.width");
 1365 
    fb_width = sysinfo_value("fb.width");
1366 
    fb_height = sysinfo_value("fb.height");
 1366 
    fb_height = sysinfo_value("fb.height");
1367 
    fb_scanline = sysinfo_value("fb.scanline");
 1367 
    fb_scanline = sysinfo_value("fb.scanline");
1368 
    fb_visual = sysinfo_value("fb.visual");
 1368 
    fb_visual = sysinfo_value("fb.visual");
1369 
    fb_invert_colors = sysinfo_value("fb.invert-colors");
 1369 
    fb_invert_colors = sysinfo_value("fb.invert-colors");
1370 
 
 1370 
 
1371 
    asz = fb_scanline * fb_height;
 1371 
    asz = fb_scanline * fb_height;
1372 
    fb_addr = as_get_mappable_page(asz, (int)
 1372 
    fb_addr = as_get_mappable_page(asz, (int)
1373 
        sysinfo_value("fb.address.color"));
 1373 
        sysinfo_value("fb.address.color"));
1374 
   
 1374 
   
1375 
    physmem_map(fb_ph_addr, fb_addr, ALIGN_UP(asz, PAGE_SIZE) >>
 1375 
    physmem_map(fb_ph_addr, fb_addr, ALIGN_UP(asz, PAGE_SIZE) >>
1376 
        PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE);
 1376 
        PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE);
1377 
 
 1377 
 
1378 
    if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual,
 1378 
    if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual,
1379 
        fb_invert_colors))
 1379 
        fb_invert_colors))
1380 
        return 0;
 1380 
        return 0;
1381 
   
 1381 
   
1382 
    return -1;
 1382 
    return -1;
1383 
}
 1383 
}
1384 
 
 1384 
 
1385 
/**
 1385 
/**
1386 
 * @}
 1386 
 * @}
1387 
 */
 1387 
 */
1388 
 
 1388