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1 
/*
 1 
/*
2 
 * Copyright (c) 2008 Martin Decky
 2 
 * Copyright (c) 2008 Martin Decky
3 
 * Copyright (c) 2006 Jakub Vana
 3 
 * Copyright (c) 2006 Jakub Vana
4 
 * Copyright (c) 2006 Ondrej Palkovsky
 4 
 * Copyright (c) 2006 Ondrej Palkovsky
5 
 * All rights reserved.
 5 
 * All rights reserved.
6 
 *
 6 
 *
7 
 * Redistribution and use in source and binary forms, with or without
 7 
 * Redistribution and use in source and binary forms, with or without
8 
 * modification, are permitted provided that the following conditions
 8 
 * modification, are permitted provided that the following conditions
9 
 * are met:
 9 
 * are met:
10 
 *
 10 
 *
11 
 * - Redistributions of source code must retain the above copyright
 11 
 * - Redistributions of source code must retain the above copyright
12 
 *   notice, this list of conditions and the following disclaimer.
 12 
 *   notice, this list of conditions and the following disclaimer.
13 
 * - Redistributions in binary form must reproduce the above copyright
 13 
 * - Redistributions in binary form must reproduce the above copyright
14 
 *   notice, this list of conditions and the following disclaimer in the
 14 
 *   notice, this list of conditions and the following disclaimer in the
15 
 *   documentation and/or other materials provided with the distribution.
 15 
 *   documentation and/or other materials provided with the distribution.
16 
 * - The name of the author may not be used to endorse or promote products
 16 
 * - The name of the author may not be used to endorse or promote products
17 
 *   derived from this software without specific prior written permission.
 17 
 *   derived from this software without specific prior written permission.
18 
 *
 18 
 *
19 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 19 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 20 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 21 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 22 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 23 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 24 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 25 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 26 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 27 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 28 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 
 */
 29 
 */
30 
 
 30 
 
31 
/**
 31 
/**
32 
 * @defgroup fb Graphical framebuffer
 32 
 * @defgroup fb Graphical framebuffer
33 
 * @brief   HelenOS graphical framebuffer.
 33 
 * @brief   HelenOS graphical framebuffer.
34 
 * @ingroup fbs
 34 
 * @ingroup fbs
35 
 * @{
 35 
 * @{
36 
 */
 36 
 */
37 
 
 37 
 
38 
/** @file
 38 
/** @file
39 
 */
 39 
 */
40 
 
 40 
 
41 
#include <stdlib.h>
 41 
#include <stdlib.h>
42 
#include <unistd.h>
 42 
#include <unistd.h>
43 
#include <string.h>
 43 
#include <string.h>
44 
#include <ddi.h>
 44 
#include <ddi.h>
45 
#include <sysinfo.h>
 45 
#include <sysinfo.h>
46 
#include <align.h>
 46 
#include <align.h>
47 
#include <as.h>
 47 
#include <as.h>
48 
#include <ipc/fb.h>
 48 
#include <ipc/fb.h>
49 
#include <ipc/ipc.h>
 49 
#include <ipc/ipc.h>
50 
#include <ipc/ns.h>
 50 
#include <ipc/ns.h>
51 
#include <ipc/services.h>
 51 
#include <ipc/services.h>
52 
#include <kernel/errno.h>
 52 
#include <kernel/errno.h>
53 
#include <kernel/genarch/fb/visuals.h>
 53 
#include <kernel/genarch/fb/visuals.h>
54 
#include <async.h>
 54 
#include <async.h>
55 
#include <bool.h>
 55 
#include <bool.h>
56 
 
 56 
 
57 
#include "font-8x16.h"
 57 
#include "font-8x16.h"
58 
#include "fb.h"
 58 
#include "fb.h"
59 
#include "main.h"
 59 
#include "main.h"
60 
#include "../console/screenbuffer.h"
 60 
#include "../console/screenbuffer.h"
61 
#include "ppm.h"
 61 
#include "ppm.h"
62 
 
 62 
 
63 
#include "pointer.xbm"
 63 
#include "pointer.xbm"
64 
#include "pointer_mask.xbm"
 64 
#include "pointer_mask.xbm"
65 
 
 65 
 
66 
#define DEFAULT_BGCOLOR  0xf0f0f0
 66 
#define DEFAULT_BGCOLOR  0xf0f0f0
67 
#define DEFAULT_FGCOLOR  0x000000
 67 
#define DEFAULT_FGCOLOR  0x000000
68 
 
 68 
 
69 
#define MAX_ANIM_LEN     8
 69 
#define MAX_ANIM_LEN     8
70 
#define MAX_ANIMATIONS   4
 70 
#define MAX_ANIMATIONS   4
71 
#define MAX_PIXMAPS      256  /**< Maximum number of saved pixmaps */
 71 
#define MAX_PIXMAPS      256  /**< Maximum number of saved pixmaps */
72 
#define MAX_VIEWPORTS    128  /**< Viewport is a rectangular area on the screen */
 72 
#define MAX_VIEWPORTS    128  /**< Viewport is a rectangular area on the screen */
73 
 
 73 
 
74 
typedef void (*rgb_conv_t)(void *, uint32_t);
 74 
typedef void (*rgb_conv_t)(void *, uint32_t);
75 
 
 75 
 
76 
struct {
 76 
struct {
77 
    uint8_t *fb_addr;
 77 
    uint8_t *fb_addr;
78 
   
 78 
   
79 
    unsigned int xres;
 79 
    unsigned int xres;
80 
    unsigned int yres;
 80 
    unsigned int yres;
81 
   
 81 
   
82 
    unsigned int scanline;
 82 
    unsigned int scanline;
83 
    unsigned int glyphscanline;
 83 
    unsigned int glyphscanline;
84 
   
 84 
   
85 
    unsigned int pixelbytes;
 85 
    unsigned int pixelbytes;
86 
    unsigned int glyphbytes;
 86 
    unsigned int glyphbytes;
87 
   
 87 
   
88 
    rgb_conv_t rgb_conv;
 88 
    rgb_conv_t rgb_conv;
89 
} screen;
 89 
} screen;
90 
 
 90 
 
91 
typedef struct {
 91 
typedef struct {
92 
    bool initialized;
 92 
    bool initialized;
93 
    unsigned int x;
 93 
    unsigned int x;
94 
    unsigned int y;
 94 
    unsigned int y;
95 
    unsigned int width;
 95 
    unsigned int width;
96 
    unsigned int height;
 96 
    unsigned int height;
97 
   
 97 
   
98 
    /* Text support in window */
 98 
    /* Text support in window */
99 
    unsigned int cols;
 99 
    unsigned int cols;
100 
    unsigned int rows;
 100 
    unsigned int rows;
101 
   
 101 
   
102 
    /* Style and glyphs for text printing */
 102 
    /* Style and glyphs for text printing */
103 
    style_t style;
 103 
    style_t style;
104 
    uint8_t *glyphs;
 104 
    uint8_t *glyphs;
105 
    uint8_t *bgpixel;
 105 
    uint8_t *bgpixel;
106 
   
 106 
   
107 
    /* Auto-cursor position */
 107 
    /* Auto-cursor position */
108 
    bool cursor_active;
 108 
    bool cursor_active;
109 
    unsigned int cur_col;
 109 
    unsigned int cur_col;
110 
    unsigned int cur_row;
 110 
    unsigned int cur_row;
111 
    bool cursor_shown;
 111 
    bool cursor_shown;
112 
   
 112 
   
113 
    /* Back buffer */
 113 
    /* Back buffer */
114 
    unsigned int bbsize;
 114 
    unsigned int bbsize;
115 
    uint8_t *backbuf;
 115 
    uint8_t *backbuf;
116 
} viewport_t;
 116 
} viewport_t;
117 
 
 117 
 
118 
typedef struct {
 118 
typedef struct {
119 
    bool initialized;
 119 
    bool initialized;
120 
    bool enabled;
 120 
    bool enabled;
121 
    unsigned int vp;
 121 
    unsigned int vp;
122 
   
 122 
   
123 
    unsigned int pos;
 123 
    unsigned int pos;
124 
    unsigned int animlen;
 124 
    unsigned int animlen;
125 
    unsigned int pixmaps[MAX_ANIM_LEN];
 125 
    unsigned int pixmaps[MAX_ANIM_LEN];
126 
} animation_t;
 126 
} animation_t;
127 
 
 127 
 
128 
static animation_t animations[MAX_ANIMATIONS];
 128 
static animation_t animations[MAX_ANIMATIONS];
129 
static bool anims_enabled;
 129 
static bool anims_enabled;
130 
 
 130 
 
131 
typedef struct {
 131 
typedef struct {
132 
    unsigned int width;
 132 
    unsigned int width;
133 
    unsigned int height;
 133 
    unsigned int height;
134 
    uint8_t *data;
 134 
    uint8_t *data;
135 
} pixmap_t;
 135 
} pixmap_t;
136 
 
 136 
 
137 
static pixmap_t pixmaps[MAX_PIXMAPS];
 137 
static pixmap_t pixmaps[MAX_PIXMAPS];
138 
static viewport_t viewports[128];
 138 
static viewport_t viewports[128];
139 
 
 139 
 
140 
static bool client_connected = false;  /**< Allow only 1 connection */
 140 
static bool client_connected = false;  /**< Allow only 1 connection */
141 
 
 141 
 
142 
static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col,
 142 
static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col,
143 
    unsigned int row);
 143 
    unsigned int row);
144 
 
 144 
 
145 
 
 145 
 
146 
#define RED(x, bits)                 ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1))
 146 
#define RED(x, bits)                 ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1))
147 
#define GREEN(x, bits)               ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
 147 
#define GREEN(x, bits)               ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
148 
#define BLUE(x, bits)                ((x >> (8 - bits)) & ((1 << bits) - 1))
 148 
#define BLUE(x, bits)                ((x >> (8 - bits)) & ((1 << bits) - 1))
149 
 
 149 
 
150 
#define COL2X(col)                   ((col) * FONT_WIDTH)
 150 
#define COL2X(col)                   ((col) * FONT_WIDTH)
151 
#define ROW2Y(row)                   ((row) * FONT_SCANLINES)
 151 
#define ROW2Y(row)                   ((row) * FONT_SCANLINES)
152 
 
 152 
 
153 
#define X2COL(x)                     ((x) / FONT_WIDTH)
 153 
#define X2COL(x)                     ((x) / FONT_WIDTH)
154 
#define Y2ROW(y)                     ((y) / FONT_SCANLINES)
 154 
#define Y2ROW(y)                     ((y) / FONT_SCANLINES)
155 
 
 155 
 
156 
#define FB_POS(x, y)                 ((y) * screen.scanline + (x) * screen.pixelbytes)
 156 
#define FB_POS(x, y)                 ((y) * screen.scanline + (x) * screen.pixelbytes)
157 
#define BB_POS(vport, col, row)      ((row) * vport->cols + (col))
 157 
#define BB_POS(vport, col, row)      ((row) * vport->cols + (col))
158 
#define GLYPH_POS(glyph, y, cursor)  (((glyph) + (cursor) * FONT_GLYPHS) * screen.glyphbytes + (y) * screen.glyphscanline)
 158 
#define GLYPH_POS(glyph, y, cursor)  (((glyph) + (cursor) * FONT_GLYPHS) * screen.glyphbytes + (y) * screen.glyphscanline)
159 
 
 159 
 
160 
 
 160 
 
161 
/** ARGB 8:8:8:8 conversion
 161 
/** ARGB 8:8:8:8 conversion
162 
 *
 162 
 *
163 
 */
 163 
 */
164 
static void rgb_0888(void *dst, uint32_t rgb)
 164 
static void rgb_0888(void *dst, uint32_t rgb)
165 
{
 165 
{
166 
    *((uint32_t *) dst) = rgb & 0xffffff;
 166 
    *((uint32_t *) dst) = rgb & 0xffffff;
167 
}
 167 
}
168 
 
 168 
 
169 
 
 169 
 
170 
/** ABGR 8:8:8:8 conversion
 170 
/** ABGR 8:8:8:8 conversion
171 
 *
 171 
 *
172 
 */
 172 
 */
173 
static void bgr_0888(void *dst, uint32_t rgb)
 173 
static void bgr_0888(void *dst, uint32_t rgb)
174 
{
 174 
{
175 
    *((uint32_t *) dst)
 175 
    *((uint32_t *) dst)
176 
        = (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8);
 176 
        = (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8);
177 
}
 177 
}
178 
 
 178 
 
179 
 
 179 
 
180 
/** BGR 8:8:8 conversion
 180 
/** BGR 8:8:8 conversion
181 
 *
 181 
 *
182 
 */
 182 
 */
183 
static void rgb_888(void *dst, uint32_t rgb)
 183 
static void rgb_888(void *dst, uint32_t rgb)
184 
{
 184 
{
185 
#if defined(FB_INVERT_ENDIAN)
 185 
#if defined(FB_INVERT_ENDIAN)
186 
    ((uint8_t *) dst)[0] = RED(rgb, 8);
 186 
    ((uint8_t *) dst)[0] = RED(rgb, 8);
187 
    ((uint8_t *) dst)[1] = GREEN(rgb, 8);
 187 
    ((uint8_t *) dst)[1] = GREEN(rgb, 8);
188 
    ((uint8_t *) dst)[2] = BLUE(rgb, 8);
 188 
    ((uint8_t *) dst)[2] = BLUE(rgb, 8);
189 
#else
 189 
#else
190 
    ((uint8_t *) dst)[0] = BLUE(rgb, 8);
 190 
    ((uint8_t *) dst)[0] = BLUE(rgb, 8);
191 
    ((uint8_t *) dst)[1] = GREEN(rgb, 8);
 191 
    ((uint8_t *) dst)[1] = GREEN(rgb, 8);
192 
    ((uint8_t *) dst)[2] = RED(rgb, 8);
 192 
    ((uint8_t *) dst)[2] = RED(rgb, 8);
193 
#endif
 193 
#endif
194 
}
 194 
}
195 
 
 195 
 
196 
 
 196 
 
197 
/** RGB 5:5:5 conversion
 197 
/** RGB 5:5:5 conversion
198 
 *
 198 
 *
199 
 */
 199 
 */
200 
static void rgb_555(void *dst, uint32_t rgb)
 200 
static void rgb_555(void *dst, uint32_t rgb)
201 
{
 201 
{
202 
    *((uint16_t *) dst)
 202 
    *((uint16_t *) dst)
203 
        = (RED(rgb, 5) << 10) | (GREEN(rgb, 5) << 5) | BLUE(rgb, 5);
 203 
        = (RED(rgb, 5) << 10) | (GREEN(rgb, 5) << 5) | BLUE(rgb, 5);
204 
}
 204 
}
205 
 
 205 
 
206 
 
 206 
 
207 
/** RGB 5:6:5 conversion
 207 
/** RGB 5:6:5 conversion
208 
 *
 208 
 *
209 
 */
 209 
 */
210 
static void rgb_565(void *dst, uint32_t rgb)
 210 
static void rgb_565(void *dst, uint32_t rgb)
211 
{
 211 
{
212 
    *((uint16_t *) dst)
 212 
    *((uint16_t *) dst)
213 
        = (RED(rgb, 5) << 11) | (GREEN(rgb, 6) << 5) | BLUE(rgb, 5);
 213 
        = (RED(rgb, 5) << 11) | (GREEN(rgb, 6) << 5) | BLUE(rgb, 5);
214 
}
 214 
}
215 
 
 215 
 
216 
 
 216 
 
217 
/** RGB 3:2:3
 217 
/** RGB 3:2:3
218 
 *
 218 
 *
219 
 */
 219 
 */
220 
static void rgb_323(void *dst, uint32_t rgb)
 220 
static void rgb_323(void *dst, uint32_t rgb)
221 
{
 221 
{
222 
    *((uint8_t *) dst)
 222 
    *((uint8_t *) dst)
223 
        = ~((RED(rgb, 3) << 5) | (GREEN(rgb, 2) << 3) | BLUE(rgb, 3));
 223 
        = ~((RED(rgb, 3) << 5) | (GREEN(rgb, 2) << 3) | BLUE(rgb, 3));
224 
}
 224 
}
225 
 
 225 
 
226 
/** Draw a filled rectangle.
 226 
/** Draw a filled rectangle.
227 
 *
 227 
 *
228 
 * @note Need real implementation that does not access VRAM twice.
 228 
 * @note Need real implementation that does not access VRAM twice.
229 
 */
 229 
 */
230 
static void draw_filled_rect(unsigned int x0, unsigned int y0, unsigned int x1,
 230 
static void draw_filled_rect(unsigned int x0, unsigned int y0, unsigned int x1,
231 
    unsigned int y1, uint32_t color)
 231 
    unsigned int y1, uint32_t color)
232 
{
 232 
{
233 
    unsigned int x, y;
 233 
    unsigned int x, y;
234 
    unsigned int copy_bytes;
 234 
    unsigned int copy_bytes;
235 
 
 235 
 
236 
    uint8_t *sp, *dp;
 236 
    uint8_t *sp, *dp;
237 
    uint8_t cbuf[4];
 237 
    uint8_t cbuf[4];
238 
 
 238 
 
239 
    if (y0 >= y1 || x0 >= x1) return;
 239 
    if (y0 >= y1 || x0 >= x1) return;
240 
    screen.rgb_conv(cbuf, color);
 240 
    screen.rgb_conv(cbuf, color);
241 
 
 241 
 
242 
    sp = &screen.fb_addr[FB_POS(x0, y0)];
 242 
    sp = &screen.fb_addr[FB_POS(x0, y0)];
243 
    dp = sp;
 243 
    dp = sp;
244 
 
 244 
 
245 
    /* Draw the first line. */
 245 
    /* Draw the first line. */
246 
    for (x = x0; x < x1; x++) {
 246 
    for (x = x0; x < x1; x++) {
247 
        memcpy(dp, cbuf, screen.pixelbytes);
 247 
        memcpy(dp, cbuf, screen.pixelbytes);
248 
        dp += screen.pixelbytes;
 248 
        dp += screen.pixelbytes;
249 
    }
 249 
    }
250 
 
 250 
 
251 
    dp = sp + screen.scanline;
 251 
    dp = sp + screen.scanline;
252 
    copy_bytes = (x1 - x0) * screen.pixelbytes;
 252 
    copy_bytes = (x1 - x0) * screen.pixelbytes;
253 
 
 253 
 
254 
    /* Draw the remaining lines by copying. */
 254 
    /* Draw the remaining lines by copying. */
255 
    for (y = y0 + 1; y < y1; y++) {
 255 
    for (y = y0 + 1; y < y1; y++) {
256 
        memcpy(dp, sp, copy_bytes);
 256 
        memcpy(dp, sp, copy_bytes);
257 
        dp += screen.scanline;
 257 
        dp += screen.scanline;
258 
    }
 258 
    }
259 
}
 259 
}
260 
 
 260 
 
261 
/** Redraw viewport.
 261 
/** Redraw viewport.
262 
 *
 262 
 *
263 
 * @param vport Viewport to redraw
 263 
 * @param vport Viewport to redraw
264 
 *
 264 
 *
265 
 */
 265 
 */
266 
static void vport_redraw(viewport_t *vport)
 266 
static void vport_redraw(viewport_t *vport)
267 
{
 267 
{
268 
    unsigned int row, col;
 268 
    unsigned int row, col;
269 
 
 269 
 
270 
    for (row = 0; row < vport->rows; row++) {
 270 
    for (row = 0; row < vport->rows; row++) {
271 
        for (col = 0; col < vport->cols; col++) {
 271 
        for (col = 0; col < vport->cols; col++) {
272 
            draw_glyph(vport, false, col, row);
 272 
            draw_glyph(vport, false, col, row);
273 
        }
 273 
        }
274 
    }
 274 
    }
275 
 
 275 
 
276 
    if (COL2X(vport->cols) < vport->width) {
 276 
    if (COL2X(vport->cols) < vport->width) {
277 
        draw_filled_rect(
 277 
        draw_filled_rect(
278 
            vport->x + COL2X(vport->cols), vport->y,
 278 
            vport->x + COL2X(vport->cols), vport->y,
279 
            vport->x + vport->width, vport->y + vport->height,
 279 
            vport->x + vport->width, vport->y + vport->height,
280 
            vport->style.bg_color);
 280 
            vport->style.bg_color);
281 
    }
 281 
    }
282 
 
 282 
 
283 
    if (ROW2Y(vport->rows) < vport->height) {
 283 
    if (ROW2Y(vport->rows) < vport->height) {
284 
        draw_filled_rect(
 284 
        draw_filled_rect(
285 
            vport->x, vport->y + ROW2Y(vport->rows),
 285 
            vport->x, vport->y + ROW2Y(vport->rows),
286 
            vport->x + vport->width, vport->y + vport->height,
 286 
            vport->x + vport->width, vport->y + vport->height,
287 
            vport->style.bg_color);
 287 
            vport->style.bg_color);
288 
    }
 288 
    }
289 
}
 289 
}
290 
 
 290 
 
291 
 
 291 
 
292 
/** Clear viewport.
 292 
/** Clear viewport.
293 
 *
 293 
 *
294 
 * @param vport Viewport to clear
 294 
 * @param vport Viewport to clear
295 
 *
 295 
 *
296 
 */
 296 
 */
297 
static void vport_clear(viewport_t *vport)
 297 
static void vport_clear(viewport_t *vport)
298 
{
 298 
{
299 
    memset(vport->backbuf, 0, vport->bbsize);
 299 
    memset(vport->backbuf, 0, vport->bbsize);
300 
    vport_redraw(vport);
 300 
    vport_redraw(vport);
301 
}
 301 
}
302 
 
 302 
 
303 
/** Scroll viewport by the specified number of lines.
 303 
/** Scroll viewport by the specified number of lines.
304 
 *
 304 
 *
305 
 * @param vport Viewport to scroll
 305 
 * @param vport Viewport to scroll
306 
 * @param lines Number of lines to scroll
 306 
 * @param lines Number of lines to scroll
307 
 *
 307 
 *
308 
 */
 308 
 */
309 
static void vport_scroll(viewport_t *vport, int lines)
 309 
static void vport_scroll(viewport_t *vport, int lines)
310 
{
 310 
{
- 
 
 311 
    unsigned int row, col;
- 
 
 312 
 
311 
    /*
 313 
    /*
312 
     * Scroll backbuffer.
 314 
     * Scroll backbuffer.
313 
     */
 315 
     */
314 
 
 316 
 
315 
    if (lines > 0) {
 317 
    if (lines > 0) {
316 
        memmove(vport->backbuf, vport->backbuf + vport->cols * lines,
 318 
        memcpy(vport->backbuf, vport->backbuf + vport->cols * lines,
317 
            vport->cols * (vport->rows - lines));
 319 
            vport->cols * (vport->rows - lines));
318 
        memset(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)],
 320 
        memset(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)],
319 
            0, vport->cols * lines);
 321 
            0, vport->cols * lines);
320 
    } else {
 322 
    } else {
321 
        memmove(vport->backbuf - vport->cols * lines, vport->backbuf,
 323 
        memcpy(vport->backbuf - vport->cols * lines, vport->backbuf,
322 
            vport->cols * (vport->rows + lines));
 324 
            vport->cols * (vport->rows + lines));
323 
        memset(vport->backbuf, 0, - vport->cols * lines);
 325 
        memset(vport->backbuf, 0, - vport->cols * lines);
324 
    }
 326 
    }
325 
 
 327 
 
326 
    /*
 328 
    /*
327 
     * Scroll pixels.
 329 
     * Redraw.
328 
     */
 330 
     */
329 
 
 331 
 
330 
    unsigned int dist, height, alines;
 - 
 
331 
    unsigned int y, ry;
 - 
 
332 
    uint8_t *sp, *dp;
 - 
 
333 
 
 - 
 
334 
    alines = lines > 0 ? lines : -lines;
 - 
 
335 
    dist = alines * FONT_SCANLINES;
 - 
 
336 
    height = (vport->rows - alines) * FONT_SCANLINES;
 - 
 
337 
 
 - 
 
338 
    if (lines > 0) {
 - 
 
339 
        dp = &screen.fb_addr[FB_POS(vport->x, vport->y + 0)];
 332 
    for (row = 0; row < vport->rows; row++) {
340 
        sp = &screen.fb_addr[FB_POS(vport->x, vport->y + dist)];
 - 
 
341 
        ry = height;
 - 
 
342 
    } else {
 - 
 
343 
        dp = &screen.fb_addr[FB_POS(vport->x, vport->y + dist)];
 333 
        for (col = 0; col < vport->cols; col++) {
344 
        sp = &screen.fb_addr[FB_POS(vport->x, vport->y + 0)];
 334 
            draw_glyph(vport, false, col, row);
345 
        ry = 0;
 - 
 
346 
    }
 335 
        }
347 
 
 - 
 
348 
    /* Move pixels line by line. */
 - 
 
349 
    for (y = 0; y < height; y++) {
 - 
 
350 
        memcpy(dp, sp, vport->cols * FONT_WIDTH
 - 
 
351 
            * screen.pixelbytes);
 - 
 
352 
 
 - 
 
353 
        sp += screen.scanline;
 - 
 
354 
        dp += screen.scanline;
 - 
 
355 
    }
 336 
    }
356 
 
 - 
 
357 
    /* Fill emptied area with background color. */
 - 
 
358 
    draw_filled_rect(vport->x, vport->y + ry,
 - 
 
359 
        vport->x + COL2X(vport->cols), vport->y + ry + dist,
 - 
 
360 
        vport->style.bg_color);
 - 
 
361 
}
 337 
}
362 
 
 338 
 
363 
/** Render glyphs
 339 
/** Render glyphs
364 
 *
 340 
 *
365 
 * Convert glyphs from device independent font
 341 
 * Convert glyphs from device independent font
366 
 * description to current visual representation.
 342 
 * description to current visual representation.
367 
 *
 343 
 *
368 
 * @param vport Viewport
 344 
 * @param vport Viewport
369 
 *
 345 
 *
370 
 */
 346 
 */
371 
static void render_glyphs(viewport_t* vport)
 347 
static void render_glyphs(viewport_t* vport)
372 
{
 348 
{
373 
    unsigned int glyph;
 349 
    unsigned int glyph;
374 
   
 350 
   
375 
    for (glyph = 0; glyph < FONT_GLYPHS; glyph++) {
 351 
    for (glyph = 0; glyph < FONT_GLYPHS; glyph++) {
376 
        unsigned int y;
 352 
        unsigned int y;
377 
       
 353 
       
378 
        for (y = 0; y < FONT_SCANLINES; y++) {
 354 
        for (y = 0; y < FONT_SCANLINES; y++) {
379 
            unsigned int x;
 355 
            unsigned int x;
380 
           
 356 
           
381 
            for (x = 0; x < FONT_WIDTH; x++) {
 357 
            for (x = 0; x < FONT_WIDTH; x++) {
382 
                screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes],
 358 
                screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes],
383 
                    (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
 359 
                    (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
384 
                    ? vport->style.fg_color : vport->style.bg_color);
 360 
                    ? vport->style.fg_color : vport->style.bg_color);
385 
               
 361 
               
386 
                uint32_t curcolor;
 362 
                uint32_t curcolor;
387 
               
 363 
               
388 
                if (y < FONT_SCANLINES - 2)
 364 
                if (y < FONT_SCANLINES - 2)
389 
                    curcolor =
 365 
                    curcolor =
390 
                        (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
 366 
                        (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
391 
                        ? vport->style.fg_color : vport->style.bg_color;
 367 
                        ? vport->style.fg_color : vport->style.bg_color;
392 
                else
 368 
                else
393 
                    curcolor = vport->style.fg_color;
 369 
                    curcolor = vport->style.fg_color;
394 
               
 370 
               
395 
                screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], curcolor);
 371 
                screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], curcolor);
396 
            }
 372 
            }
397 
        }
 373 
        }
398 
    }
 374 
    }
399 
   
 375 
   
400 
    screen.rgb_conv(vport->bgpixel, vport->style.bg_color);
 376 
    screen.rgb_conv(vport->bgpixel, vport->style.bg_color);
401 
}
 377 
}
402 
 
 378 
 
403 
 
 379 
 
404 
/** Create new viewport
 380 
/** Create new viewport
405 
 *
 381 
 *
406 
 * @param x      Origin of the viewport (x).
 382 
 * @param x      Origin of the viewport (x).
407 
 * @param y      Origin of the viewport (y).
 383 
 * @param y      Origin of the viewport (y).
408 
 * @param width  Width of the viewport.
 384 
 * @param width  Width of the viewport.
409 
 * @param height Height of the viewport.
 385 
 * @param height Height of the viewport.
410 
 *
 386 
 *
411 
 * @return New viewport number.
 387 
 * @return New viewport number.
412 
 *
 388 
 *
413 
 */
 389 
 */
414 
static int vport_create(unsigned int x, unsigned int y,
 390 
static int vport_create(unsigned int x, unsigned int y,
415 
    unsigned int width, unsigned int height)
 391 
    unsigned int width, unsigned int height)
416 
{
 392 
{
417 
    unsigned int i;
 393 
    unsigned int i;
418 
   
 394 
   
419 
    for (i = 0; i < MAX_VIEWPORTS; i++) {
 395 
    for (i = 0; i < MAX_VIEWPORTS; i++) {
420 
        if (!viewports[i].initialized)
 396 
        if (!viewports[i].initialized)
421 
            break;
 397 
            break;
422 
    }
 398 
    }
423 
    if (i == MAX_VIEWPORTS)
 399 
    if (i == MAX_VIEWPORTS)
424 
        return ELIMIT;
 400 
        return ELIMIT;
425 
   
 401 
   
426 
    unsigned int cols = width / FONT_WIDTH;
 402 
    unsigned int cols = width / FONT_WIDTH;
427 
    unsigned int rows = height / FONT_SCANLINES;
 403 
    unsigned int rows = height / FONT_SCANLINES;
428 
    unsigned int bbsize = cols * rows;
 404 
    unsigned int bbsize = cols * rows;
429 
    unsigned int glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes;
 405 
    unsigned int glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes;
430 
   
 406 
   
431 
    uint8_t *backbuf = (uint8_t *) malloc(bbsize);
 407 
    uint8_t *backbuf = (uint8_t *) malloc(bbsize);
432 
    if (!backbuf)
 408 
    if (!backbuf)
433 
        return ENOMEM;
 409 
        return ENOMEM;
434 
   
 410 
   
435 
    uint8_t *glyphs = (uint8_t *) malloc(glyphsize);
 411 
    uint8_t *glyphs = (uint8_t *) malloc(glyphsize);
436 
    if (!glyphs) {
 412 
    if (!glyphs) {
437 
        free(backbuf);
 413 
        free(backbuf);
438 
        return ENOMEM;
 414 
        return ENOMEM;
439 
    }
 415 
    }
440 
   
 416 
   
441 
    uint8_t *bgpixel = (uint8_t *) malloc(screen.pixelbytes);
 417 
    uint8_t *bgpixel = (uint8_t *) malloc(screen.pixelbytes);
442 
    if (!bgpixel) {
 418 
    if (!bgpixel) {
443 
        free(glyphs);
 419 
        free(glyphs);
444 
        free(backbuf);
 420 
        free(backbuf);
445 
        return ENOMEM;
 421 
        return ENOMEM;
446 
    }
 422 
    }
447 
   
 423 
   
448 
    memset(backbuf, 0, bbsize);
 424 
    memset(backbuf, 0, bbsize);
449 
    memset(glyphs, 0, glyphsize);
 425 
    memset(glyphs, 0, glyphsize);
450 
    memset(bgpixel, 0, screen.pixelbytes);
 426 
    memset(bgpixel, 0, screen.pixelbytes);
451 
   
 427 
   
452 
    viewports[i].x = x;
 428 
    viewports[i].x = x;
453 
    viewports[i].y = y;
 429 
    viewports[i].y = y;
454 
    viewports[i].width = width;
 430 
    viewports[i].width = width;
455 
    viewports[i].height = height;
 431 
    viewports[i].height = height;
456 
   
 432 
   
457 
    viewports[i].cols = cols;
 433 
    viewports[i].cols = cols;
458 
    viewports[i].rows = rows;
 434 
    viewports[i].rows = rows;
459 
   
 435 
   
460 
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
 436 
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
461 
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
 437 
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
462 
   
 438 
   
463 
    viewports[i].glyphs = glyphs;
 439 
    viewports[i].glyphs = glyphs;
464 
    viewports[i].bgpixel = bgpixel;
 440 
    viewports[i].bgpixel = bgpixel;
465 
   
 441 
   
466 
    viewports[i].cur_col = 0;
 442 
    viewports[i].cur_col = 0;
467 
    viewports[i].cur_row = 0;
 443 
    viewports[i].cur_row = 0;
468 
    viewports[i].cursor_active = false;
 444 
    viewports[i].cursor_active = false;
469 
    viewports[i].cursor_shown = false;
 445 
    viewports[i].cursor_shown = false;
470 
   
 446 
   
471 
    viewports[i].bbsize = bbsize;
 447 
    viewports[i].bbsize = bbsize;
472 
    viewports[i].backbuf = backbuf;
 448 
    viewports[i].backbuf = backbuf;
473 
   
 449 
   
474 
    viewports[i].initialized = true;
 450 
    viewports[i].initialized = true;
475 
   
 451 
   
476 
    render_glyphs(&viewports[i]);
 452 
    render_glyphs(&viewports[i]);
477 
   
 453 
   
478 
    return i;
 454 
    return i;
479 
}
 455 
}
480 
 
 456 
 
481 
 
 457 
 
482 
/** Initialize framebuffer as a chardev output device
 458 
/** Initialize framebuffer as a chardev output device
483 
 *
 459 
 *
484 
 * @param addr   Address of the framebuffer
 460 
 * @param addr   Address of the framebuffer
485 
 * @param xres   Screen width in pixels
 461 
 * @param xres   Screen width in pixels
486 
 * @param yres   Screen height in pixels
 462 
 * @param yres   Screen height in pixels
487 
 * @param visual Bits per pixel (8, 16, 24, 32)
 463 
 * @param visual Bits per pixel (8, 16, 24, 32)
488 
 * @param scan   Bytes per one scanline
 464 
 * @param scan   Bytes per one scanline
489 
 *
 465 
 *
490 
 */
 466 
 */
491 
static bool screen_init(void *addr, unsigned int xres, unsigned int yres,
 467 
static bool screen_init(void *addr, unsigned int xres, unsigned int yres,
492 
    unsigned int scan, unsigned int visual)
 468 
    unsigned int scan, unsigned int visual)
493 
{
 469 
{
494 
    switch (visual) {
 470 
    switch (visual) {
495 
    case VISUAL_INDIRECT_8:
 471 
    case VISUAL_INDIRECT_8:
496 
        screen.rgb_conv = rgb_323;
 472 
        screen.rgb_conv = rgb_323;
497 
        screen.pixelbytes = 1;
 473 
        screen.pixelbytes = 1;
498 
        break;
 474 
        break;
499 
    case VISUAL_RGB_5_5_5:
 475 
    case VISUAL_RGB_5_5_5:
500 
        screen.rgb_conv = rgb_555;
 476 
        screen.rgb_conv = rgb_555;
501 
        screen.pixelbytes = 2;
 477 
        screen.pixelbytes = 2;
502 
        break;
 478 
        break;
503 
    case VISUAL_RGB_5_6_5:
 479 
    case VISUAL_RGB_5_6_5:
504 
        screen.rgb_conv = rgb_565;
 480 
        screen.rgb_conv = rgb_565;
505 
        screen.pixelbytes = 2;
 481 
        screen.pixelbytes = 2;
506 
        break;
 482 
        break;
507 
    case VISUAL_RGB_8_8_8:
 483 
    case VISUAL_RGB_8_8_8:
508 
        screen.rgb_conv = rgb_888;
 484 
        screen.rgb_conv = rgb_888;
509 
        screen.pixelbytes = 3;
 485 
        screen.pixelbytes = 3;
510 
        break;
 486 
        break;
511 
    case VISUAL_RGB_8_8_8_0:
 487 
    case VISUAL_RGB_8_8_8_0:
512 
        screen.rgb_conv = rgb_888;
 488 
        screen.rgb_conv = rgb_888;
513 
        screen.pixelbytes = 4;
 489 
        screen.pixelbytes = 4;
514 
        break;
 490 
        break;
515 
    case VISUAL_RGB_0_8_8_8:
 491 
    case VISUAL_RGB_0_8_8_8:
516 
        screen.rgb_conv = rgb_0888;
 492 
        screen.rgb_conv = rgb_0888;
517 
        screen.pixelbytes = 4;
 493 
        screen.pixelbytes = 4;
518 
        break;
 494 
        break;
519 
    case VISUAL_BGR_0_8_8_8:
 495 
    case VISUAL_BGR_0_8_8_8:
520 
        screen.rgb_conv = bgr_0888;
 496 
        screen.rgb_conv = bgr_0888;
521 
        screen.pixelbytes = 4;
 497 
        screen.pixelbytes = 4;
522 
        break;
 498 
        break;
523 
    default:
 499 
    default:
524 
        return false;
 500 
        return false;
525 
    }
 501 
    }
526 
 
 502 
 
527 
    screen.fb_addr = (unsigned char *) addr;
 503 
    screen.fb_addr = (unsigned char *) addr;
528 
    screen.xres = xres;
 504 
    screen.xres = xres;
529 
    screen.yres = yres;
 505 
    screen.yres = yres;
530 
    screen.scanline = scan;
 506 
    screen.scanline = scan;
531 
   
 507 
   
532 
    screen.glyphscanline = FONT_WIDTH * screen.pixelbytes;
 508 
    screen.glyphscanline = FONT_WIDTH * screen.pixelbytes;
533 
    screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES;
 509 
    screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES;
534 
   
 510 
   
535 
    /* Create first viewport */
 511 
    /* Create first viewport */
536 
    vport_create(0, 0, xres, yres);
 512 
    vport_create(0, 0, xres, yres);
537 
   
 513 
   
538 
    return true;
 514 
    return true;
539 
}
 515 
}
540 
 
 516 
 
541 
 
 517 
 
542 
/** Draw glyph at given position relative to viewport
 518 
/** Draw glyph at given position relative to viewport
543 
 *
 519 
 *
544 
 * @param vport  Viewport identification
 520 
 * @param vport  Viewport identification
545 
 * @param cursor Draw glyph with cursor
 521 
 * @param cursor Draw glyph with cursor
546 
 * @param col    Screen position relative to viewport
 522 
 * @param col    Screen position relative to viewport
547 
 * @param row    Screen position relative to viewport
 523 
 * @param row    Screen position relative to viewport
548 
 *
 524 
 *
549 
 */
 525 
 */
550 
static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col, unsigned int row)
 526 
static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col, unsigned int row)
551 
{
 527 
{
552 
    unsigned int x = vport->x + COL2X(col);
 528 
    unsigned int x = vport->x + COL2X(col);
553 
    unsigned int y = vport->y + ROW2Y(row);
 529 
    unsigned int y = vport->y + ROW2Y(row);
554 
    unsigned int yd;
 530 
    unsigned int yd;
555 
   
 531 
   
556 
    uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
 532 
    uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
557 
   
 533 
   
558 
    for (yd = 0; yd < FONT_SCANLINES; yd++)
 534 
    for (yd = 0; yd < FONT_SCANLINES; yd++)
559 
        memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
 535 
        memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
560 
            &vport->glyphs[GLYPH_POS(glyph, yd, cursor)], screen.glyphscanline);
 536 
            &vport->glyphs[GLYPH_POS(glyph, yd, cursor)], screen.glyphscanline);
561 
}
 537 
}
562 
 
 538 
 
563 
 
 539 
 
564 
/** Hide cursor if it is shown
 540 
/** Hide cursor if it is shown
565 
 *
 541 
 *
566 
 */
 542 
 */
567 
static void cursor_hide(viewport_t *vport)
 543 
static void cursor_hide(viewport_t *vport)
568 
{
 544 
{
569 
    if ((vport->cursor_active) && (vport->cursor_shown)) {
 545 
    if ((vport->cursor_active) && (vport->cursor_shown)) {
570 
        draw_glyph(vport, false, vport->cur_col, vport->cur_row);
 546 
        draw_glyph(vport, false, vport->cur_col, vport->cur_row);
571 
        vport->cursor_shown = false;
 547 
        vport->cursor_shown = false;
572 
    }
 548 
    }
573 
}
 549 
}
574 
 
 550 
 
575 
 
 551 
 
576 
/** Show cursor if cursor showing is enabled
 552 
/** Show cursor if cursor showing is enabled
577 
 *
 553 
 *
578 
 */
 554 
 */
579 
static void cursor_show(viewport_t *vport)
 555 
static void cursor_show(viewport_t *vport)
580 
{
 556 
{
581 
    /* Do not check for cursor_shown */
 557 
    /* Do not check for cursor_shown */
582 
    if (vport->cursor_active) {
 558 
    if (vport->cursor_active) {
583 
        draw_glyph(vport, true, vport->cur_col, vport->cur_row);
 559 
        draw_glyph(vport, true, vport->cur_col, vport->cur_row);
584 
        vport->cursor_shown = true;
 560 
        vport->cursor_shown = true;
585 
    }
 561 
    }
586 
}
 562 
}
587 
 
 563 
 
588 
 
 564 
 
589 
/** Invert cursor, if it is enabled
 565 
/** Invert cursor, if it is enabled
590 
 *
 566 
 *
591 
 */
 567 
 */
592 
static void cursor_blink(viewport_t *vport)
 568 
static void cursor_blink(viewport_t *vport)
593 
{
 569 
{
594 
    if (vport->cursor_shown)
 570 
    if (vport->cursor_shown)
595 
        cursor_hide(vport);
 571 
        cursor_hide(vport);
596 
    else
 572 
    else
597 
        cursor_show(vport);
 573 
        cursor_show(vport);
598 
}
 574 
}
599 
 
 575 
 
600 
 
 576 
 
601 
/** Draw character at given position relative to viewport
 577 
/** Draw character at given position relative to viewport
602 
 *
 578 
 *
603 
 * @param vport  Viewport identification
 579 
 * @param vport  Viewport identification
604 
 * @param c      Character to draw
 580 
 * @param c      Character to draw
605 
 * @param col    Screen position relative to viewport
 581 
 * @param col    Screen position relative to viewport
606 
 * @param row    Screen position relative to viewport
 582 
 * @param row    Screen position relative to viewport
607 
 *
 583 
 *
608 
 */
 584 
 */
609 
static void draw_char(viewport_t *vport, uint8_t c, unsigned int col, unsigned int row)
 585 
static void draw_char(viewport_t *vport, uint8_t c, unsigned int col, unsigned int row)
610 
{
 586 
{
611 
    /* Do not hide cursor if we are going to overwrite it */
 587 
    /* Do not hide cursor if we are going to overwrite it */
612 
    if ((vport->cursor_active) && (vport->cursor_shown) &&
 588 
    if ((vport->cursor_active) && (vport->cursor_shown) &&
613 
        ((vport->cur_col != col) || (vport->cur_row != row)))
 589 
        ((vport->cur_col != col) || (vport->cur_row != row)))
614 
        cursor_hide(vport);
 590 
        cursor_hide(vport);
615 
   
 591 
   
616 
    vport->backbuf[BB_POS(vport, col, row)] = c;
 592 
    vport->backbuf[BB_POS(vport, col, row)] = c;
617 
    draw_glyph(vport, false, col, row);
 593 
    draw_glyph(vport, false, col, row);
618 
   
 594 
   
619 
    vport->cur_col = col;
 595 
    vport->cur_col = col;
620 
    vport->cur_row = row;
 596 
    vport->cur_row = row;
621 
   
 597 
   
622 
    vport->cur_col++;
 598 
    vport->cur_col++;
623 
    if (vport->cur_col >= vport->cols) {
 599 
    if (vport->cur_col >= vport->cols) {
624 
        vport->cur_col = 0;
 600 
        vport->cur_col = 0;
625 
        vport->cur_row++;
 601 
        vport->cur_row++;
626 
        if (vport->cur_row >= vport->rows)
 602 
        if (vport->cur_row >= vport->rows)
627 
            vport->cur_row--;
 603 
            vport->cur_row--;
628 
    }
 604 
    }
629 
   
 605 
   
630 
    cursor_show(vport);
 606 
    cursor_show(vport);
631 
}
 607 
}
632 
 
 608 
 
633 
 
 609 
 
634 
/** Draw text data to viewport
 610 
/** Draw text data to viewport
635 
 *
 611 
 *
636 
 * @param vport Viewport id
 612 
 * @param vport Viewport id
637 
 * @param data  Text data fitting exactly into viewport
 613 
 * @param data  Text data fitting exactly into viewport
638 
 *
 614 
 *
639 
 */
 615 
 */
640 
static void draw_text_data(viewport_t *vport, keyfield_t *data)
 616 
static void draw_text_data(viewport_t *vport, keyfield_t *data)
641 
{
 617 
{
642 
    unsigned int i;
 618 
    unsigned int i;
643 
   
 619 
   
644 
    for (i = 0; i < vport->cols * vport->rows; i++) {
 620 
    for (i = 0; i < vport->cols * vport->rows; i++) {
645 
        unsigned int col = i % vport->cols;
 621 
        unsigned int col = i % vport->cols;
646 
        unsigned int row = i / vport->cols;
 622 
        unsigned int row = i / vport->cols;
647 
       
 623 
       
648 
        uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
 624 
        uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
649 
       
 625 
       
650 
        // TODO: use data[i].style
 626 
        // TODO: use data[i].style
651 
       
 627 
       
652 
        if (glyph != data[i].character) {
 628 
        if (glyph != data[i].character) {
653 
            vport->backbuf[BB_POS(vport, col, row)] = data[i].character;
 629 
            vport->backbuf[BB_POS(vport, col, row)] = data[i].character;
654 
            draw_glyph(vport, false, col, row);
 630 
            draw_glyph(vport, false, col, row);
655 
        }
 631 
        }
656 
    }
 632 
    }
657 
    cursor_show(vport);
 633 
    cursor_show(vport);
658 
}
 634 
}
659 
 
 635 
 
660 
 
 636 
 
661 
static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color)
 637 
static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color)
662 
{
 638 
{
663 
    int pm = *((int *) data);
 639 
    int pm = *((int *) data);
664 
    pixmap_t *pmap = &pixmaps[pm];
 640 
    pixmap_t *pmap = &pixmaps[pm];
665 
    unsigned int pos = (y * pmap->width + x) * screen.pixelbytes;
 641 
    unsigned int pos = (y * pmap->width + x) * screen.pixelbytes;
666 
   
 642 
   
667 
    screen.rgb_conv(&pmap->data[pos], color);
 643 
    screen.rgb_conv(&pmap->data[pos], color);
668 
}
 644 
}
669 
 
 645 
 
670 
 
 646 
 
671 
static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color)
 647 
static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color)
672 
{
 648 
{
673 
    viewport_t *vport = (viewport_t *) data;
 649 
    viewport_t *vport = (viewport_t *) data;
674 
    unsigned int dx = vport->x + x;
 650 
    unsigned int dx = vport->x + x;
675 
    unsigned int dy = vport->y + y;
 651 
    unsigned int dy = vport->y + y;
676 
   
 652 
   
677 
    screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color);
 653 
    screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color);
678 
}
 654 
}
679 
 
 655 
 
680 
 
 656 
 
681 
/** Return first free pixmap
 657 
/** Return first free pixmap
682 
 *
 658 
 *
683 
 */
 659 
 */
684 
static int find_free_pixmap(void)
 660 
static int find_free_pixmap(void)
685 
{
 661 
{
686 
    unsigned int i;
 662 
    unsigned int i;
687 
   
 663 
   
688 
    for (i = 0; i < MAX_PIXMAPS; i++)
 664 
    for (i = 0; i < MAX_PIXMAPS; i++)
689 
        if (!pixmaps[i].data)
 665 
        if (!pixmaps[i].data)
690 
            return i;
 666 
            return i;
691 
   
 667 
   
692 
    return -1;
 668 
    return -1;
693 
}
 669 
}
694 
 
 670 
 
695 
 
 671 
 
696 
/** Create a new pixmap and return appropriate ID
 672 
/** Create a new pixmap and return appropriate ID
697 
 *
 673 
 *
698 
 */
 674 
 */
699 
static int shm2pixmap(unsigned char *shm, size_t size)
 675 
static int shm2pixmap(unsigned char *shm, size_t size)
700 
{
 676 
{
701 
    int pm;
 677 
    int pm;
702 
    pixmap_t *pmap;
 678 
    pixmap_t *pmap;
703 
   
 679 
   
704 
    pm = find_free_pixmap();
 680 
    pm = find_free_pixmap();
705 
    if (pm == -1)
 681 
    if (pm == -1)
706 
        return ELIMIT;
 682 
        return ELIMIT;
707 
   
 683 
   
708 
    pmap = &pixmaps[pm];
 684 
    pmap = &pixmaps[pm];
709 
   
 685 
   
710 
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
 686 
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
711 
        return EINVAL;
 687 
        return EINVAL;
712 
   
 688 
   
713 
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
 689 
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
714 
    if (!pmap->data)
 690 
    if (!pmap->data)
715 
        return ENOMEM;
 691 
        return ENOMEM;
716 
   
 692 
   
717 
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, putpixel_pixmap, (void *) &pm);
 693 
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, putpixel_pixmap, (void *) &pm);
718 
   
 694 
   
719 
    return pm;
 695 
    return pm;
720 
}
 696 
}
721 
 
 697 
 
722 
 
 698 
 
723 
/** Handle shared memory communication calls
 699 
/** Handle shared memory communication calls
724 
 *
 700 
 *
725 
 * Protocol for drawing pixmaps:
 701 
 * Protocol for drawing pixmaps:
726 
 * - FB_PREPARE_SHM(client shm identification)
 702 
 * - FB_PREPARE_SHM(client shm identification)
727 
 * - IPC_M_AS_AREA_SEND
 703 
 * - IPC_M_AS_AREA_SEND
728 
 * - FB_DRAW_PPM(startx, starty)
 704 
 * - FB_DRAW_PPM(startx, starty)
729 
 * - FB_DROP_SHM
 705 
 * - FB_DROP_SHM
730 
 *
 706 
 *
731 
 * Protocol for text drawing
 707 
 * Protocol for text drawing
732 
 * - IPC_M_AS_AREA_SEND
 708 
 * - IPC_M_AS_AREA_SEND
733 
 * - FB_DRAW_TEXT_DATA
 709 
 * - FB_DRAW_TEXT_DATA
734 
 *
 710 
 *
735 
 * @param callid Callid of the current call
 711 
 * @param callid Callid of the current call
736 
 * @param call   Current call data
 712 
 * @param call   Current call data
737 
 * @param vp     Active viewport
 713 
 * @param vp     Active viewport
738 
 *
 714 
 *
739 
 * @return false if the call was not handled byt this function, true otherwise
 715 
 * @return false if the call was not handled byt this function, true otherwise
740 
 *
 716 
 *
741 
 * Note: this function is not threads safe, you would have
 717 
 * Note: this function is not threads safe, you would have
742 
 * to redefine static variables with __thread
 718 
 * to redefine static variables with __thread
743 
 *
 719 
 *
744 
 */
 720 
 */
745 
static bool shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 721 
static bool shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
746 
{
 722 
{
747 
    static keyfield_t *interbuffer = NULL;
 723 
    static keyfield_t *interbuffer = NULL;
748 
    static size_t intersize = 0;
 724 
    static size_t intersize = 0;
749 
   
 725 
   
750 
    static unsigned char *shm = NULL;
 726 
    static unsigned char *shm = NULL;
751 
    static ipcarg_t shm_id = 0;
 727 
    static ipcarg_t shm_id = 0;
752 
    static size_t shm_size;
 728 
    static size_t shm_size;
753 
   
 729 
   
754 
    bool handled = true;
 730 
    bool handled = true;
755 
    int retval = EOK;
 731 
    int retval = EOK;
756 
    viewport_t *vport = &viewports[vp];
 732 
    viewport_t *vport = &viewports[vp];
757 
    unsigned int x;
 733 
    unsigned int x;
758 
    unsigned int y;
 734 
    unsigned int y;
759 
   
 735 
   
760 
    switch (IPC_GET_METHOD(*call)) {
 736 
    switch (IPC_GET_METHOD(*call)) {
761 
    case IPC_M_SHARE_OUT:
 737 
    case IPC_M_SHARE_OUT:
762 
        /* We accept one area for data interchange */
 738 
        /* We accept one area for data interchange */
763 
        if (IPC_GET_ARG1(*call) == shm_id) {
 739 
        if (IPC_GET_ARG1(*call) == shm_id) {
764 
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
 740 
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
765 
            shm_size = IPC_GET_ARG2(*call);
 741 
            shm_size = IPC_GET_ARG2(*call);
766 
            if (!ipc_answer_1(callid, EOK, (sysarg_t) dest))
 742 
            if (!ipc_answer_1(callid, EOK, (sysarg_t) dest))
767 
                shm = dest;
 743 
                shm = dest;
768 
            else
 744 
            else
769 
                shm_id = 0;
 745 
                shm_id = 0;
770 
           
 746 
           
771 
            if (shm[0] != 'P')
 747 
            if (shm[0] != 'P')
772 
                return false;
 748 
                return false;
773 
           
 749 
           
774 
            return true;
 750 
            return true;
775 
        } else {
 751 
        } else {
776 
            intersize = IPC_GET_ARG2(*call);
 752 
            intersize = IPC_GET_ARG2(*call);
777 
            receive_comm_area(callid, call, (void *) &interbuffer);
 753 
            receive_comm_area(callid, call, (void *) &interbuffer);
778 
        }
 754 
        }
779 
        return true;
 755 
        return true;
780 
    case FB_PREPARE_SHM:
 756 
    case FB_PREPARE_SHM:
781 
        if (shm_id)
 757 
        if (shm_id)
782 
            retval = EBUSY;
 758 
            retval = EBUSY;
783 
        else
 759 
        else
784 
            shm_id = IPC_GET_ARG1(*call);
 760 
            shm_id = IPC_GET_ARG1(*call);
785 
        break;
 761 
        break;
786 
       
 762 
       
787 
    case FB_DROP_SHM:
 763 
    case FB_DROP_SHM:
788 
        if (shm) {
 764 
        if (shm) {
789 
            as_area_destroy(shm);
 765 
            as_area_destroy(shm);
790 
            shm = NULL;
 766 
            shm = NULL;
791 
        }
 767 
        }
792 
        shm_id = 0;
 768 
        shm_id = 0;
793 
        break;
 769 
        break;
794 
       
 770 
       
795 
    case FB_SHM2PIXMAP:
 771 
    case FB_SHM2PIXMAP:
796 
        if (!shm) {
 772 
        if (!shm) {
797 
            retval = EINVAL;
 773 
            retval = EINVAL;
798 
            break;
 774 
            break;
799 
        }
 775 
        }
800 
        retval = shm2pixmap(shm, shm_size);
 776 
        retval = shm2pixmap(shm, shm_size);
801 
        break;
 777 
        break;
802 
    case FB_DRAW_PPM:
 778 
    case FB_DRAW_PPM:
803 
        if (!shm) {
 779 
        if (!shm) {
804 
            retval = EINVAL;
 780 
            retval = EINVAL;
805 
            break;
 781 
            break;
806 
        }
 782 
        }
807 
        x = IPC_GET_ARG1(*call);
 783 
        x = IPC_GET_ARG1(*call);
808 
        y = IPC_GET_ARG2(*call);
 784 
        y = IPC_GET_ARG2(*call);
809 
       
 785 
       
810 
        if ((x > vport->width) || (y > vport->height)) {
 786 
        if ((x > vport->width) || (y > vport->height)) {
811 
            retval = EINVAL;
 787 
            retval = EINVAL;
812 
            break;
 788 
            break;
813 
        }
 789 
        }
814 
       
 790 
       
815 
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
 791 
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
816 
            IPC_GET_ARG2(*call), vport->width - x, vport->height - y, putpixel, (void *) vport);
 792 
            IPC_GET_ARG2(*call), vport->width - x, vport->height - y, putpixel, (void *) vport);
817 
        break;
 793 
        break;
818 
    case FB_DRAW_TEXT_DATA:
 794 
    case FB_DRAW_TEXT_DATA:
819 
        if (!interbuffer) {
 795 
        if (!interbuffer) {
820 
            retval = EINVAL;
 796 
            retval = EINVAL;
821 
            break;
 797 
            break;
822 
        }
 798 
        }
823 
        if (intersize < vport->cols * vport->rows * sizeof(*interbuffer)) {
 799 
        if (intersize < vport->cols * vport->rows * sizeof(*interbuffer)) {
824 
            retval = EINVAL;
 800 
            retval = EINVAL;
825 
            break;
 801 
            break;
826 
        }
 802 
        }
827 
        draw_text_data(vport, interbuffer);
 803 
        draw_text_data(vport, interbuffer);
828 
        break;
 804 
        break;
829 
    default:
 805 
    default:
830 
        handled = false;
 806 
        handled = false;
831 
    }
 807 
    }
832 
   
 808 
   
833 
    if (handled)
 809 
    if (handled)
834 
        ipc_answer_0(callid, retval);
 810 
        ipc_answer_0(callid, retval);
835 
    return handled;
 811 
    return handled;
836 
}
 812 
}
837 
 
 813 
 
838 
 
 814 
 
839 
static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
 815 
static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
840 
{
 816 
{
841 
    unsigned int width = vport->width;
 817 
    unsigned int width = vport->width;
842 
    unsigned int height = vport->height;
 818 
    unsigned int height = vport->height;
843 
   
 819 
   
844 
    if (width + vport->x > screen.xres)
 820 
    if (width + vport->x > screen.xres)
845 
        width = screen.xres - vport->x;
 821 
        width = screen.xres - vport->x;
846 
    if (height + vport->y > screen.yres)
 822 
    if (height + vport->y > screen.yres)
847 
        height = screen.yres - vport->y;
 823 
        height = screen.yres - vport->y;
848 
   
 824 
   
849 
    unsigned int realwidth = pmap->width <= width ? pmap->width : width;
 825 
    unsigned int realwidth = pmap->width <= width ? pmap->width : width;
850 
    unsigned int realheight = pmap->height <= height ? pmap->height : height;
 826 
    unsigned int realheight = pmap->height <= height ? pmap->height : height;
851 
   
 827 
   
852 
    unsigned int srcrowsize = vport->width * screen.pixelbytes;
 828 
    unsigned int srcrowsize = vport->width * screen.pixelbytes;
853 
    unsigned int realrowsize = realwidth * screen.pixelbytes;
 829 
    unsigned int realrowsize = realwidth * screen.pixelbytes;
854 
   
 830 
   
855 
    unsigned int y;
 831 
    unsigned int y;
856 
    for (y = 0; y < realheight; y++) {
 832 
    for (y = 0; y < realheight; y++) {
857 
        unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
 833 
        unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
858 
        memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize);
 834 
        memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize);
859 
    }
 835 
    }
860 
}
 836 
}
861 
 
 837 
 
862 
 
 838 
 
863 
/** Save viewport to pixmap
 839 
/** Save viewport to pixmap
864 
 *
 840 
 *
865 
 */
 841 
 */
866 
static int save_vp_to_pixmap(viewport_t *vport)
 842 
static int save_vp_to_pixmap(viewport_t *vport)
867 
{
 843 
{
868 
    int pm;
 844 
    int pm;
869 
    pixmap_t *pmap;
 845 
    pixmap_t *pmap;
870 
   
 846 
   
871 
    pm = find_free_pixmap();
 847 
    pm = find_free_pixmap();
872 
    if (pm == -1)
 848 
    if (pm == -1)
873 
        return ELIMIT;
 849 
        return ELIMIT;
874 
   
 850 
   
875 
    pmap = &pixmaps[pm];
 851 
    pmap = &pixmaps[pm];
876 
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
 852 
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
877 
    if (!pmap->data)
 853 
    if (!pmap->data)
878 
        return ENOMEM;
 854 
        return ENOMEM;
879 
   
 855 
   
880 
    pmap->width = vport->width;
 856 
    pmap->width = vport->width;
881 
    pmap->height = vport->height;
 857 
    pmap->height = vport->height;
882 
   
 858 
   
883 
    copy_vp_to_pixmap(vport, pmap);
 859 
    copy_vp_to_pixmap(vport, pmap);
884 
   
 860 
   
885 
    return pm;
 861 
    return pm;
886 
}
 862 
}
887 
 
 863 
 
888 
 
 864 
 
889 
/** Draw pixmap on screen
 865 
/** Draw pixmap on screen
890 
 *
 866 
 *
891 
 * @param vp Viewport to draw on
 867 
 * @param vp Viewport to draw on
892 
 * @param pm Pixmap identifier
 868 
 * @param pm Pixmap identifier
893 
 *
 869 
 *
894 
 */
 870 
 */
895 
static int draw_pixmap(int vp, int pm)
 871 
static int draw_pixmap(int vp, int pm)
896 
{
 872 
{
897 
    pixmap_t *pmap = &pixmaps[pm];
 873 
    pixmap_t *pmap = &pixmaps[pm];
898 
    viewport_t *vport = &viewports[vp];
 874 
    viewport_t *vport = &viewports[vp];
899 
   
 875 
   
900 
    unsigned int width = vport->width;
 876 
    unsigned int width = vport->width;
901 
    unsigned int height = vport->height;
 877 
    unsigned int height = vport->height;
902 
   
 878 
   
903 
    if (width + vport->x > screen.xres)
 879 
    if (width + vport->x > screen.xres)
904 
        width = screen.xres - vport->x;
 880 
        width = screen.xres - vport->x;
905 
    if (height + vport->y > screen.yres)
 881 
    if (height + vport->y > screen.yres)
906 
        height = screen.yres - vport->y;
 882 
        height = screen.yres - vport->y;
907 
   
 883 
   
908 
    if (!pmap->data)
 884 
    if (!pmap->data)
909 
        return EINVAL;
 885 
        return EINVAL;
910 
   
 886 
   
911 
    unsigned int realwidth = pmap->width <= width ? pmap->width : width;
 887 
    unsigned int realwidth = pmap->width <= width ? pmap->width : width;
912 
    unsigned int realheight = pmap->height <= height ? pmap->height : height;
 888 
    unsigned int realheight = pmap->height <= height ? pmap->height : height;
913 
   
 889 
   
914 
    unsigned int srcrowsize = vport->width * screen.pixelbytes;
 890 
    unsigned int srcrowsize = vport->width * screen.pixelbytes;
915 
    unsigned int realrowsize = realwidth * screen.pixelbytes;
 891 
    unsigned int realrowsize = realwidth * screen.pixelbytes;
916 
   
 892 
   
917 
    unsigned int y;
 893 
    unsigned int y;
918 
    for (y = 0; y < realheight; y++) {
 894 
    for (y = 0; y < realheight; y++) {
919 
        unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
 895 
        unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
920 
        memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize);
 896 
        memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize);
921 
    }
 897 
    }
922 
   
 898 
   
923 
    return EOK;
 899 
    return EOK;
924 
}
 900 
}
925 
 
 901 
 
926 
 
 902 
 
927 
/** Tick animation one step forward
 903 
/** Tick animation one step forward
928 
 *
 904 
 *
929 
 */
 905 
 */
930 
static void anims_tick(void)
 906 
static void anims_tick(void)
931 
{
 907 
{
932 
    unsigned int i;
 908 
    unsigned int i;
933 
    static int counts = 0;
 909 
    static int counts = 0;
934 
   
 910 
   
935 
    /* Limit redrawing */
 911 
    /* Limit redrawing */
936 
    counts = (counts + 1) % 8;
 912 
    counts = (counts + 1) % 8;
937 
    if (counts)
 913 
    if (counts)
938 
        return;
 914 
        return;
939 
 
 915 
 
940 
    for (i = 0; i < MAX_ANIMATIONS; i++) {
 916 
    for (i = 0; i < MAX_ANIMATIONS; i++) {
941 
        if ((!animations[i].animlen) || (!animations[i].initialized) ||
 917 
        if ((!animations[i].animlen) || (!animations[i].initialized) ||
942 
            (!animations[i].enabled))
 918 
            (!animations[i].enabled))
943 
            continue;
 919 
            continue;
944 
       
 920 
       
945 
        draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
 921 
        draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
946 
        animations[i].pos = (animations[i].pos + 1) % animations[i].animlen;
 922 
        animations[i].pos = (animations[i].pos + 1) % animations[i].animlen;
947 
    }
 923 
    }
948 
}
 924 
}
949 
 
 925 
 
950 
 
 926 
 
951 
static unsigned int pointer_x;
 927 
static unsigned int pointer_x;
952 
static unsigned int pointer_y;
 928 
static unsigned int pointer_y;
953 
static bool pointer_shown, pointer_enabled;
 929 
static bool pointer_shown, pointer_enabled;
954 
static int pointer_vport = -1;
 930 
static int pointer_vport = -1;
955 
static int pointer_pixmap = -1;
 931 
static int pointer_pixmap = -1;
956 
 
 932 
 
957 
 
 933 
 
958 
static void mouse_show(void)
 934 
static void mouse_show(void)
959 
{
 935 
{
960 
    int i, j;
 936 
    int i, j;
961 
    int visibility;
 937 
    int visibility;
962 
    int color;
 938 
    int color;
963 
    int bytepos;
 939 
    int bytepos;
964 
   
 940 
   
965 
    if ((pointer_shown) || (!pointer_enabled))
 941 
    if ((pointer_shown) || (!pointer_enabled))
966 
        return;
 942 
        return;
967 
   
 943 
   
968 
    /* Save image under the pointer. */
 944 
    /* Save image under the pointer. */
969 
    if (pointer_vport == -1) {
 945 
    if (pointer_vport == -1) {
970 
        pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height);
 946 
        pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height);
971 
        if (pointer_vport < 0)
 947 
        if (pointer_vport < 0)
972 
            return;
 948 
            return;
973 
    } else {
 949 
    } else {
974 
        viewports[pointer_vport].x = pointer_x;
 950 
        viewports[pointer_vport].x = pointer_x;
975 
        viewports[pointer_vport].y = pointer_y;
 951 
        viewports[pointer_vport].y = pointer_y;
976 
    }
 952 
    }
977 
   
 953 
   
978 
    if (pointer_pixmap == -1)
 954 
    if (pointer_pixmap == -1)
979 
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
 955 
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
980 
    else
 956 
    else
981 
        copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
 957 
        copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
982 
   
 958 
   
983 
    /* Draw mouse pointer. */
 959 
    /* Draw mouse pointer. */
984 
    for (i = 0; i < pointer_height; i++)
 960 
    for (i = 0; i < pointer_height; i++)
985 
        for (j = 0; j < pointer_width; j++) {
 961 
        for (j = 0; j < pointer_width; j++) {
986 
            bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
 962 
            bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
987 
            visibility = pointer_mask_bits[bytepos] &
 963 
            visibility = pointer_mask_bits[bytepos] &
988 
                (1 << (j % 8));
 964 
                (1 << (j % 8));
989 
            if (visibility) {
 965 
            if (visibility) {
990 
                color = pointer_bits[bytepos] &
 966 
                color = pointer_bits[bytepos] &
991 
                    (1 << (j % 8)) ? 0 : 0xffffff;
 967 
                    (1 << (j % 8)) ? 0 : 0xffffff;
992 
                if (pointer_x + j < screen.xres && pointer_y +
 968 
                if (pointer_x + j < screen.xres && pointer_y +
993 
                    i < screen.yres)
 969 
                    i < screen.yres)
994 
                    putpixel(&viewports[0], pointer_x + j,
 970 
                    putpixel(&viewports[0], pointer_x + j,
995 
                        pointer_y + i, color);
 971 
                        pointer_y + i, color);
996 
            }
 972 
            }
997 
        }
 973 
        }
998 
    pointer_shown = 1;
 974 
    pointer_shown = 1;
999 
}
 975 
}
1000 
 
 976 
 
1001 
 
 977 
 
1002 
static void mouse_hide(void)
 978 
static void mouse_hide(void)
1003 
{
 979 
{
1004 
    /* Restore image under the pointer. */
 980 
    /* Restore image under the pointer. */
1005 
    if (pointer_shown) {
 981 
    if (pointer_shown) {
1006 
        draw_pixmap(pointer_vport, pointer_pixmap);
 982 
        draw_pixmap(pointer_vport, pointer_pixmap);
1007 
        pointer_shown = 0;
 983 
        pointer_shown = 0;
1008 
    }
 984 
    }
1009 
}
 985 
}
1010 
 
 986 
 
1011 
 
 987 
 
1012 
static void mouse_move(unsigned int x, unsigned int y)
 988 
static void mouse_move(unsigned int x, unsigned int y)
1013 
{
 989 
{
1014 
    mouse_hide();
 990 
    mouse_hide();
1015 
    pointer_x = x;
 991 
    pointer_x = x;
1016 
    pointer_y = y;
 992 
    pointer_y = y;
1017 
    mouse_show();
 993 
    mouse_show();
1018 
}
 994 
}
1019 
 
 995 
 
1020 
 
 996 
 
1021 
static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 997 
static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1022 
{
 998 
{
1023 
    bool handled = true;
 999 
    bool handled = true;
1024 
    int retval = EOK;
 1000 
    int retval = EOK;
1025 
    int i, nvp;
 1001 
    int i, nvp;
1026 
    int newval;
 1002 
    int newval;
1027 
   
 1003 
   
1028 
    switch (IPC_GET_METHOD(*call)) {
 1004 
    switch (IPC_GET_METHOD(*call)) {
1029 
    case FB_ANIM_CREATE:
 1005 
    case FB_ANIM_CREATE:
1030 
        nvp = IPC_GET_ARG1(*call);
 1006 
        nvp = IPC_GET_ARG1(*call);
1031 
        if (nvp == -1)
 1007 
        if (nvp == -1)
1032 
            nvp = vp;
 1008 
            nvp = vp;
1033 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
 1009 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
1034 
            !viewports[nvp].initialized) {
 1010 
            !viewports[nvp].initialized) {
1035 
            retval = EINVAL;
 1011 
            retval = EINVAL;
1036 
            break;
 1012 
            break;
1037 
        }
 1013 
        }
1038 
        for (i = 0; i < MAX_ANIMATIONS; i++) {
 1014 
        for (i = 0; i < MAX_ANIMATIONS; i++) {
1039 
            if (!animations[i].initialized)
 1015 
            if (!animations[i].initialized)
1040 
                break;
 1016 
                break;
1041 
        }
 1017 
        }
1042 
        if (i == MAX_ANIMATIONS) {
 1018 
        if (i == MAX_ANIMATIONS) {
1043 
            retval = ELIMIT;
 1019 
            retval = ELIMIT;
1044 
            break;
 1020 
            break;
1045 
        }
 1021 
        }
1046 
        animations[i].initialized = 1;
 1022 
        animations[i].initialized = 1;
1047 
        animations[i].animlen = 0;
 1023 
        animations[i].animlen = 0;
1048 
        animations[i].pos = 0;
 1024 
        animations[i].pos = 0;
1049 
        animations[i].enabled = 0;
 1025 
        animations[i].enabled = 0;
1050 
        animations[i].vp = nvp;
 1026 
        animations[i].vp = nvp;
1051 
        retval = i;
 1027 
        retval = i;
1052 
        break;
 1028 
        break;
1053 
    case FB_ANIM_DROP:
 1029 
    case FB_ANIM_DROP:
1054 
        i = IPC_GET_ARG1(*call);
 1030 
        i = IPC_GET_ARG1(*call);
1055 
        if (i >= MAX_ANIMATIONS || i < 0) {
 1031 
        if (i >= MAX_ANIMATIONS || i < 0) {
1056 
            retval = EINVAL;
 1032 
            retval = EINVAL;
1057 
            break;
 1033 
            break;
1058 
        }
 1034 
        }
1059 
        animations[i].initialized = 0;
 1035 
        animations[i].initialized = 0;
1060 
        break;
 1036 
        break;
1061 
    case FB_ANIM_ADDPIXMAP:
 1037 
    case FB_ANIM_ADDPIXMAP:
1062 
        i = IPC_GET_ARG1(*call);
 1038 
        i = IPC_GET_ARG1(*call);
1063 
        if (i >= MAX_ANIMATIONS || i < 0 ||
 1039 
        if (i >= MAX_ANIMATIONS || i < 0 ||
1064 
            !animations[i].initialized) {
 1040 
            !animations[i].initialized) {
1065 
            retval = EINVAL;
 1041 
            retval = EINVAL;
1066 
            break;
 1042 
            break;
1067 
        }
 1043 
        }
1068 
        if (animations[i].animlen == MAX_ANIM_LEN) {
 1044 
        if (animations[i].animlen == MAX_ANIM_LEN) {
1069 
            retval = ELIMIT;
 1045 
            retval = ELIMIT;
1070 
            break;
 1046 
            break;
1071 
        }
 1047 
        }
1072 
        newval = IPC_GET_ARG2(*call);
 1048 
        newval = IPC_GET_ARG2(*call);
1073 
        if (newval < 0 || newval > MAX_PIXMAPS ||
 1049 
        if (newval < 0 || newval > MAX_PIXMAPS ||
1074 
            !pixmaps[newval].data) {
 1050 
            !pixmaps[newval].data) {
1075 
            retval = EINVAL;
 1051 
            retval = EINVAL;
1076 
            break;
 1052 
            break;
1077 
        }
 1053 
        }
1078 
        animations[i].pixmaps[animations[i].animlen++] = newval;
 1054 
        animations[i].pixmaps[animations[i].animlen++] = newval;
1079 
        break;
 1055 
        break;
1080 
    case FB_ANIM_CHGVP:
 1056 
    case FB_ANIM_CHGVP:
1081 
        i = IPC_GET_ARG1(*call);
 1057 
        i = IPC_GET_ARG1(*call);
1082 
        if (i >= MAX_ANIMATIONS || i < 0) {
 1058 
        if (i >= MAX_ANIMATIONS || i < 0) {
1083 
            retval = EINVAL;
 1059 
            retval = EINVAL;
1084 
            break;
 1060 
            break;
1085 
        }
 1061 
        }
1086 
        nvp = IPC_GET_ARG2(*call);
 1062 
        nvp = IPC_GET_ARG2(*call);
1087 
        if (nvp == -1)
 1063 
        if (nvp == -1)
1088 
            nvp = vp;
 1064 
            nvp = vp;
1089 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
 1065 
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
1090 
            !viewports[nvp].initialized) {
 1066 
            !viewports[nvp].initialized) {
1091 
            retval = EINVAL;
 1067 
            retval = EINVAL;
1092 
            break;
 1068 
            break;
1093 
        }
 1069 
        }
1094 
        animations[i].vp = nvp;
 1070 
        animations[i].vp = nvp;
1095 
        break;
 1071 
        break;
1096 
    case FB_ANIM_START:
 1072 
    case FB_ANIM_START:
1097 
    case FB_ANIM_STOP:
 1073 
    case FB_ANIM_STOP:
1098 
        i = IPC_GET_ARG1(*call);
 1074 
        i = IPC_GET_ARG1(*call);
1099 
        if (i >= MAX_ANIMATIONS || i < 0) {
 1075 
        if (i >= MAX_ANIMATIONS || i < 0) {
1100 
            retval = EINVAL;
 1076 
            retval = EINVAL;
1101 
            break;
 1077 
            break;
1102 
        }
 1078 
        }
1103 
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
 1079 
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
1104 
        if (newval ^ animations[i].enabled) {
 1080 
        if (newval ^ animations[i].enabled) {
1105 
            animations[i].enabled = newval;
 1081 
            animations[i].enabled = newval;
1106 
            anims_enabled += newval ? 1 : -1;
 1082 
            anims_enabled += newval ? 1 : -1;
1107 
        }
 1083 
        }
1108 
        break;
 1084 
        break;
1109 
    default:
 1085 
    default:
1110 
        handled = 0;
 1086 
        handled = 0;
1111 
    }
 1087 
    }
1112 
    if (handled)
 1088 
    if (handled)
1113 
        ipc_answer_0(callid, retval);
 1089 
        ipc_answer_0(callid, retval);
1114 
    return handled;
 1090 
    return handled;
1115 
}
 1091 
}
1116 
 
 1092 
 
1117 
 
 1093 
 
1118 
/** Handler for messages concerning pixmap handling
 1094 
/** Handler for messages concerning pixmap handling
1119 
 *
 1095 
 *
1120 
 */
 1096 
 */
1121 
static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
 1097 
static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1122 
{
 1098 
{
1123 
    bool handled = true;
 1099 
    bool handled = true;
1124 
    int retval = EOK;
 1100 
    int retval = EOK;
1125 
    int i, nvp;
 1101 
    int i, nvp;
1126 
   
 1102 
   
1127 
    switch (IPC_GET_METHOD(*call)) {
 1103 
    switch (IPC_GET_METHOD(*call)) {
1128 
    case FB_VP_DRAW_PIXMAP:
 1104 
    case FB_VP_DRAW_PIXMAP:
1129 
        nvp = IPC_GET_ARG1(*call);
 1105 
        nvp = IPC_GET_ARG1(*call);
1130 
        if (nvp == -1)
 1106 
        if (nvp == -1)
1131 
            nvp = vp;
 1107 
            nvp = vp;
1132 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
 1108 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
1133 
            !viewports[nvp].initialized) {
 1109 
            !viewports[nvp].initialized) {
1134 
            retval = EINVAL;
 1110 
            retval = EINVAL;
1135 
            break;
 1111 
            break;
1136 
        }
 1112 
        }
1137 
        i = IPC_GET_ARG2(*call);
 1113 
        i = IPC_GET_ARG2(*call);
1138 
        retval = draw_pixmap(nvp, i);
 1114 
        retval = draw_pixmap(nvp, i);
1139 
        break;
 1115 
        break;
1140 
    case FB_VP2PIXMAP:
 1116 
    case FB_VP2PIXMAP:
1141 
        nvp = IPC_GET_ARG1(*call);
 1117 
        nvp = IPC_GET_ARG1(*call);
1142 
        if (nvp == -1)
 1118 
        if (nvp == -1)
1143 
            nvp = vp;
 1119 
            nvp = vp;
1144 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
 1120 
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
1145 
            !viewports[nvp].initialized)
 1121 
            !viewports[nvp].initialized)
1146 
            retval = EINVAL;
 1122 
            retval = EINVAL;
1147 
        else
 1123 
        else
1148 
            retval = save_vp_to_pixmap(&viewports[nvp]);
 1124 
            retval = save_vp_to_pixmap(&viewports[nvp]);
1149 
        break;
 1125 
        break;
1150 
    case FB_DROP_PIXMAP:
 1126 
    case FB_DROP_PIXMAP:
1151 
        i = IPC_GET_ARG1(*call);
 1127 
        i = IPC_GET_ARG1(*call);
1152 
        if (i >= MAX_PIXMAPS) {
 1128 
        if (i >= MAX_PIXMAPS) {
1153 
            retval = EINVAL;
 1129 
            retval = EINVAL;
1154 
            break;
 1130 
            break;
1155 
        }
 1131 
        }
1156 
        if (pixmaps[i].data) {
 1132 
        if (pixmaps[i].data) {
1157 
            free(pixmaps[i].data);
 1133 
            free(pixmaps[i].data);
1158 
            pixmaps[i].data = NULL;
 1134 
            pixmaps[i].data = NULL;
1159 
        }
 1135 
        }
1160 
        break;
 1136 
        break;
1161 
    default:
 1137 
    default:
1162 
        handled = 0;
 1138 
        handled = 0;
1163 
    }
 1139 
    }
1164 
   
 1140 
   
1165 
    if (handled)
 1141 
    if (handled)
1166 
        ipc_answer_0(callid, retval);
 1142 
        ipc_answer_0(callid, retval);
1167 
    return handled;
 1143 
    return handled;
1168 
   
 1144 
   
1169 
}
 1145 
}
1170 
 
 1146 
 
1171 
/** Function for handling connections to FB
 1147 
/** Function for handling connections to FB
1172 
 *
 1148 
 *
1173 
 */
 1149 
 */
1174 
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
 1150 
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1175 
{
 1151 
{
1176 
    unsigned int vp = 0;
 1152 
    unsigned int vp = 0;
1177 
    viewport_t *vport = &viewports[vp];
 1153 
    viewport_t *vport = &viewports[vp];
1178 
   
 1154 
   
1179 
    if (client_connected) {
 1155 
    if (client_connected) {
1180 
        ipc_answer_0(iid, ELIMIT);
 1156 
        ipc_answer_0(iid, ELIMIT);
1181 
        return;
 1157 
        return;
1182 
    }
 1158 
    }
1183 
   
 1159 
   
1184 
    /* Accept connection */
 1160 
    /* Accept connection */
1185 
    client_connected = true;
 1161 
    client_connected = true;
1186 
    ipc_answer_0(iid, EOK);
 1162 
    ipc_answer_0(iid, EOK);
1187 
   
 1163 
   
1188 
    while (true) {
 1164 
    while (true) {
1189 
        ipc_callid_t callid;
 1165 
        ipc_callid_t callid;
1190 
        ipc_call_t call;
 1166 
        ipc_call_t call;
1191 
        int retval;
 1167 
        int retval;
1192 
        unsigned int i;
 1168 
        unsigned int i;
1193 
        int scroll;
 1169 
        int scroll;
1194 
        uint8_t glyph;
 1170 
        uint8_t glyph;
1195 
        unsigned int row, col;
 1171 
        unsigned int row, col;
1196 
       
 1172 
       
1197 
        if ((vport->cursor_active) || (anims_enabled))
 1173 
        if ((vport->cursor_active) || (anims_enabled))
1198 
            callid = async_get_call_timeout(&call, 250000);
 1174 
            callid = async_get_call_timeout(&call, 250000);
1199 
        else
 1175 
        else
1200 
            callid = async_get_call(&call);
 1176 
            callid = async_get_call(&call);
1201 
       
 1177 
       
1202 
        mouse_hide();
 1178 
        mouse_hide();
1203 
        if (!callid) {
 1179 
        if (!callid) {
1204 
            cursor_blink(vport);
 1180 
            cursor_blink(vport);
1205 
            anims_tick();
 1181 
            anims_tick();
1206 
            mouse_show();
 1182 
            mouse_show();
1207 
            continue;
 1183 
            continue;
1208 
        }
 1184 
        }
1209 
       
 1185 
       
1210 
        if (shm_handle(callid, &call, vp))
 1186 
        if (shm_handle(callid, &call, vp))
1211 
            continue;
 1187 
            continue;
1212 
       
 1188 
       
1213 
        if (pixmap_handle(callid, &call, vp))
 1189 
        if (pixmap_handle(callid, &call, vp))
1214 
            continue;
 1190 
            continue;
1215 
       
 1191 
       
1216 
        if (anim_handle(callid, &call, vp))
 1192 
        if (anim_handle(callid, &call, vp))
1217 
            continue;
 1193 
            continue;
1218 
       
 1194 
       
1219 
        switch (IPC_GET_METHOD(call)) {
 1195 
        switch (IPC_GET_METHOD(call)) {
1220 
        case IPC_M_PHONE_HUNGUP:
 1196 
        case IPC_M_PHONE_HUNGUP:
1221 
            client_connected = false;
 1197 
            client_connected = false;
1222 
           
 1198 
           
1223 
            /* Cleanup other viewports */
 1199 
            /* Cleanup other viewports */
1224 
            for (i = 1; i < MAX_VIEWPORTS; i++)
 1200 
            for (i = 1; i < MAX_VIEWPORTS; i++)
1225 
                vport->initialized = false;
 1201 
                vport->initialized = false;
1226 
           
 1202 
           
1227 
            /* Exit thread */
 1203 
            /* Exit thread */
1228 
            return;
 1204 
            return;
1229 
       
 1205 
       
1230 
        case FB_PUTCHAR:
 1206 
        case FB_PUTCHAR:
1231 
            glyph = IPC_GET_ARG1(call);
 1207 
            glyph = IPC_GET_ARG1(call);
1232 
            row = IPC_GET_ARG2(call);
 1208 
            row = IPC_GET_ARG2(call);
1233 
            col = IPC_GET_ARG3(call);
 1209 
            col = IPC_GET_ARG3(call);
1234 
           
 1210 
           
1235 
            if ((col >= vport->cols) || (row >= vport->rows)) {
 1211 
            if ((col >= vport->cols) || (row >= vport->rows)) {
1236 
                retval = EINVAL;
 1212 
                retval = EINVAL;
1237 
                break;
 1213 
                break;
1238 
            }
 1214 
            }
1239 
            ipc_answer_0(callid, EOK);
 1215 
            ipc_answer_0(callid, EOK);
1240 
           
 1216 
           
1241 
            draw_char(vport, glyph, col, row);
 1217 
            draw_char(vport, glyph, col, row);
1242 
           
 1218 
           
1243 
            /* Message already answered */
 1219 
            /* Message already answered */
1244 
            continue;
 1220 
            continue;
1245 
        case FB_CLEAR:
 1221 
        case FB_CLEAR:
1246 
            vport_clear(vport);
 1222 
            vport_clear(vport);
1247 
            cursor_show(vport);
 1223 
            cursor_show(vport);
1248 
            retval = EOK;
 1224 
            retval = EOK;
1249 
            break;
 1225 
            break;
1250 
        case FB_CURSOR_GOTO:
 1226 
        case FB_CURSOR_GOTO:
1251 
            row = IPC_GET_ARG1(call);
 1227 
            row = IPC_GET_ARG1(call);
1252 
            col = IPC_GET_ARG2(call);
 1228 
            col = IPC_GET_ARG2(call);
1253 
           
 1229 
           
1254 
            if ((col >= vport->cols) || (row >= vport->rows)) {
 1230 
            if ((col >= vport->cols) || (row >= vport->rows)) {
1255 
                retval = EINVAL;
 1231 
                retval = EINVAL;
1256 
                break;
 1232 
                break;
1257 
            }
 1233 
            }
1258 
            retval = EOK;
 1234 
            retval = EOK;
1259 
           
 1235 
           
1260 
            cursor_hide(vport);
 1236 
            cursor_hide(vport);
1261 
            vport->cur_col = col;
 1237 
            vport->cur_col = col;
1262 
            vport->cur_row = row;
 1238 
            vport->cur_row = row;
1263 
            cursor_show(vport);
 1239 
            cursor_show(vport);
1264 
            break;
 1240 
            break;
1265 
        case FB_CURSOR_VISIBILITY:
 1241 
        case FB_CURSOR_VISIBILITY:
1266 
            cursor_hide(vport);
 1242 
            cursor_hide(vport);
1267 
            vport->cursor_active = IPC_GET_ARG1(call);
 1243 
            vport->cursor_active = IPC_GET_ARG1(call);
1268 
            cursor_show(vport);
 1244 
            cursor_show(vport);
1269 
            retval = EOK;
 1245 
            retval = EOK;
1270 
            break;
 1246 
            break;
1271 
        case FB_GET_CSIZE:
 1247 
        case FB_GET_CSIZE:
1272 
            ipc_answer_2(callid, EOK, vport->rows, vport->cols);
 1248 
            ipc_answer_2(callid, EOK, vport->rows, vport->cols);
1273 
            continue;
 1249 
            continue;
1274 
        case FB_SCROLL:
 1250 
        case FB_SCROLL:
1275 
            scroll = IPC_GET_ARG1(call);
 1251 
            scroll = IPC_GET_ARG1(call);
1276 
            if ((scroll > (int) vport->rows) || (scroll < (-(int) vport->rows))) {
 1252 
            if ((scroll > (int) vport->rows) || (scroll < (-(int) vport->rows))) {
1277 
                retval = EINVAL;
 1253 
                retval = EINVAL;
1278 
                break;
 1254 
                break;
1279 
            }
 1255 
            }
1280 
            cursor_hide(vport);
 1256 
            cursor_hide(vport);
1281 
            vport_scroll(vport, scroll);
 1257 
            vport_scroll(vport, scroll);
1282 
            cursor_show(vport);
 1258 
            cursor_show(vport);
1283 
            retval = EOK;
 1259 
            retval = EOK;
1284 
            break;
 1260 
            break;
1285 
        case FB_VIEWPORT_SWITCH:
 1261 
        case FB_VIEWPORT_SWITCH:
1286 
            i = IPC_GET_ARG1(call);
 1262 
            i = IPC_GET_ARG1(call);
1287 
            if (i >= MAX_VIEWPORTS) {
 1263 
            if (i >= MAX_VIEWPORTS) {
1288 
                retval = EINVAL;
 1264 
                retval = EINVAL;
1289 
                break;
 1265 
                break;
1290 
            }
 1266 
            }
1291 
            if (!viewports[i].initialized) {
 1267 
            if (!viewports[i].initialized) {
1292 
                retval = EADDRNOTAVAIL;
 1268 
                retval = EADDRNOTAVAIL;
1293 
                break;
 1269 
                break;
1294 
            }
 1270 
            }
1295 
            cursor_hide(vport);
 1271 
            cursor_hide(vport);
1296 
            vp = i;
 1272 
            vp = i;
1297 
            vport = &viewports[vp];
 1273 
            vport = &viewports[vp];
1298 
            cursor_show(vport);
 1274 
            cursor_show(vport);
1299 
            retval = EOK;
 1275 
            retval = EOK;
1300 
            break;
 1276 
            break;
1301 
        case FB_VIEWPORT_CREATE:
 1277 
        case FB_VIEWPORT_CREATE:
1302 
            retval = vport_create(IPC_GET_ARG1(call) >> 16,
 1278 
            retval = vport_create(IPC_GET_ARG1(call) >> 16,
1303 
                IPC_GET_ARG1(call) & 0xffff,
 1279 
                IPC_GET_ARG1(call) & 0xffff,
1304 
                IPC_GET_ARG2(call) >> 16,
 1280 
                IPC_GET_ARG2(call) >> 16,
1305 
                IPC_GET_ARG2(call) & 0xffff);
 1281 
                IPC_GET_ARG2(call) & 0xffff);
1306 
            break;
 1282 
            break;
1307 
        case FB_VIEWPORT_DELETE:
 1283 
        case FB_VIEWPORT_DELETE:
1308 
            i = IPC_GET_ARG1(call);
 1284 
            i = IPC_GET_ARG1(call);
1309 
            if (i >= MAX_VIEWPORTS) {
 1285 
            if (i >= MAX_VIEWPORTS) {
1310 
                retval = EINVAL;
 1286 
                retval = EINVAL;
1311 
                break;
 1287 
                break;
1312 
            }
 1288 
            }
1313 
            if (!viewports[i].initialized) {
 1289 
            if (!viewports[i].initialized) {
1314 
                retval = EADDRNOTAVAIL;
 1290 
                retval = EADDRNOTAVAIL;
1315 
                break;
 1291 
                break;
1316 
            }
 1292 
            }
1317 
            viewports[i].initialized = false;
 1293 
            viewports[i].initialized = false;
1318 
            if (viewports[i].glyphs)
 1294 
            if (viewports[i].glyphs)
1319 
                free(viewports[i].glyphs);
 1295 
                free(viewports[i].glyphs);
1320 
            if (viewports[i].bgpixel)
 1296 
            if (viewports[i].bgpixel)
1321 
                free(viewports[i].bgpixel);
 1297 
                free(viewports[i].bgpixel);
1322 
            if (viewports[i].backbuf)
 1298 
            if (viewports[i].backbuf)
1323 
                free(viewports[i].backbuf);
 1299 
                free(viewports[i].backbuf);
1324 
            retval = EOK;
 1300 
            retval = EOK;
1325 
            break;
 1301 
            break;
1326 
        case FB_SET_STYLE:
 1302 
        case FB_SET_STYLE:
1327 
            vport->style.fg_color = IPC_GET_ARG1(call);
 1303 
            vport->style.fg_color = IPC_GET_ARG1(call);
1328 
            vport->style.bg_color = IPC_GET_ARG2(call);
 1304 
            vport->style.bg_color = IPC_GET_ARG2(call);
1329 
            render_glyphs(vport);
 1305 
            render_glyphs(vport);
1330 
            retval = EOK;
 1306 
            retval = EOK;
1331 
            break;
 1307 
            break;
1332 
        case FB_GET_RESOLUTION:
 1308 
        case FB_GET_RESOLUTION:
1333 
            ipc_answer_2(callid, EOK, screen.xres, screen.yres);
 1309 
            ipc_answer_2(callid, EOK, screen.xres, screen.yres);
1334 
            continue;
 1310 
            continue;
1335 
        case FB_POINTER_MOVE:
 1311 
        case FB_POINTER_MOVE:
1336 
            pointer_enabled = true;
 1312 
            pointer_enabled = true;
1337 
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
 1313 
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
1338 
            retval = EOK;
 1314 
            retval = EOK;
1339 
            break;
 1315 
            break;
1340 
        default:
 1316 
        default:
1341 
            retval = ENOENT;
 1317 
            retval = ENOENT;
1342 
        }
 1318 
        }
1343 
        ipc_answer_0(callid, retval);
 1319 
        ipc_answer_0(callid, retval);
1344 
    }
 1320 
    }
1345 
}
 1321 
}
1346 
 
 1322 
 
1347 
/** Initialization of framebuffer
 1323 
/** Initialization of framebuffer
1348 
 *
 1324 
 *
1349 
 */
 1325 
 */
1350 
int fb_init(void)
 1326 
int fb_init(void)
1351 
{
 1327 
{
1352 
    async_set_client_connection(fb_client_connection);
 1328 
    async_set_client_connection(fb_client_connection);
1353 
   
 1329 
   
1354 
    void *fb_ph_addr = (void *) sysinfo_value("fb.address.physical");
 1330 
    void *fb_ph_addr = (void *) sysinfo_value("fb.address.physical");
1355 
    unsigned int fb_offset = sysinfo_value("fb.offset");
 1331 
    unsigned int fb_offset = sysinfo_value("fb.offset");
1356 
    unsigned int fb_width = sysinfo_value("fb.width");
 1332 
    unsigned int fb_width = sysinfo_value("fb.width");
1357 
    unsigned int fb_height = sysinfo_value("fb.height");
 1333 
    unsigned int fb_height = sysinfo_value("fb.height");
1358 
    unsigned int fb_scanline = sysinfo_value("fb.scanline");
 1334 
    unsigned int fb_scanline = sysinfo_value("fb.scanline");
1359 
    unsigned int fb_visual = sysinfo_value("fb.visual");
 1335 
    unsigned int fb_visual = sysinfo_value("fb.visual");
1360 
   
 1336 
   
1361 
    unsigned int fbsize = fb_scanline * fb_height;
 1337 
    unsigned int fbsize = fb_scanline * fb_height;
1362 
    void *fb_addr = as_get_mappable_page(fbsize);
 1338 
    void *fb_addr = as_get_mappable_page(fbsize);
1363 
   
 1339 
   
1364 
    physmem_map(fb_ph_addr + fb_offset, fb_addr,
 1340 
    physmem_map(fb_ph_addr + fb_offset, fb_addr,
1365 
        ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE);
 1341 
        ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE);
1366 
   
 1342 
   
1367 
    if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual))
 1343 
    if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual))
1368 
        return 0;
 1344 
        return 0;
1369 
   
 1345 
   
1370 
    return -1;
 1346 
    return -1;
1371 
}
 1347 
}
1372 
 
 1348 
 
1373 
/**
 1349 
/**
1374 
 * @}
 1350 
 * @}
1375 
 */
 1351 
 */
1376 
 
 1352