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