Subversion Repositories HelenOS-historic

Rev

Rev 1668 | Rev 1673 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

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