Subversion Repositories HelenOS

Rev

Rev 3707 | Rev 3715 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3707 Rev 3710
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
#define RED(x, bits)                 ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1))
142
#define RED(x, bits)                 ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1))
143
#define GREEN(x, bits)               ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
143
#define GREEN(x, bits)               ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
144
#define BLUE(x, bits)                ((x >> (8 - bits)) & ((1 << bits) - 1))
144
#define BLUE(x, bits)                ((x >> (8 - bits)) & ((1 << bits) - 1))
145
 
145
 
146
#define COL2X(col)                   ((col) * FONT_WIDTH)
146
#define COL2X(col)                   ((col) * FONT_WIDTH)
147
#define ROW2Y(row)                   ((row) * FONT_SCANLINES)
147
#define ROW2Y(row)                   ((row) * FONT_SCANLINES)
148
 
148
 
149
#define X2COL(x)                     ((x) / FONT_WIDTH)
149
#define X2COL(x)                     ((x) / FONT_WIDTH)
150
#define Y2ROW(y)                     ((y) / FONT_SCANLINES)
150
#define Y2ROW(y)                     ((y) / FONT_SCANLINES)
151
 
151
 
152
#define FB_POS(x, y)                 ((y) * screen.scanline + (x) * screen.pixelbytes)
152
#define FB_POS(x, y)                 ((y) * screen.scanline + (x) * screen.pixelbytes)
153
#define BB_POS(vport, col, row)      ((row) * vport->cols + (col))
153
#define BB_POS(vport, col, row)      ((row) * vport->cols + (col))
154
#define GLYPH_POS(glyph, y, cursor)  (((glyph) + (cursor) * FONT_GLYPHS) * screen.glyphbytes + (y) * screen.glyphscanline)
154
#define GLYPH_POS(glyph, y, cursor)  (((glyph) + (cursor) * FONT_GLYPHS) * screen.glyphbytes + (y) * screen.glyphscanline)
155
 
155
 
156
 
156
 
157
/** ARGB 8:8:8:8 conversion
157
/** ARGB 8:8:8:8 conversion
158
 *
158
 *
159
 */
159
 */
160
static void rgb_0888(void *dst, uint32_t rgb)
160
static void rgb_0888(void *dst, uint32_t rgb)
161
{
161
{
162
    *((uint32_t *) dst) = rgb & 0xffffff;
162
    *((uint32_t *) dst) = rgb & 0xffffff;
163
}
163
}
164
 
164
 
165
 
165
 
166
/** ABGR 8:8:8:8 conversion
166
/** ABGR 8:8:8:8 conversion
167
 *
167
 *
168
 */
168
 */
169
static void bgr_0888(void *dst, uint32_t rgb)
169
static void bgr_0888(void *dst, uint32_t rgb)
170
{
170
{
171
    *((uint32_t *) dst)
171
    *((uint32_t *) dst)
172
        = (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8);
172
        = (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8);
173
}
173
}
174
 
174
 
175
 
175
 
176
/** BGR 8:8:8 conversion
176
/** BGR 8:8:8 conversion
177
 *
177
 *
178
 */
178
 */
179
static void rgb_888(void *dst, uint32_t rgb)
179
static void rgb_888(void *dst, uint32_t rgb)
180
{
180
{
181
#if defined(FB_INVERT_ENDIAN)
181
#if defined(FB_INVERT_ENDIAN)
182
    *((uint32_t *) dst)
182
    ((uint8_t *) dst)[0] = RED(rgb, 8);
183
        = (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8)
183
    ((uint8_t *) dst)[1] = GREEN(rgb, 8);
184
        | (*((uint32_t *) dst) & 0xff0000);
184
    ((uint8_t *) dst)[2] = BLUE(rgb, 8);
185
#else
185
#else
186
    *((uint32_t *) dst)
186
    ((uint8_t *) dst)[0] = BLUE(rgb, 8);
-
 
187
    ((uint8_t *) dst)[1] = GREEN(rgb, 8);
187
        = (rgb & 0xffffff) | (*((uint32_t *) dst) & 0xff0000);
188
    ((uint8_t *) dst)[2] = RED(rgb, 8);
188
#endif
189
#endif
189
}
190
}
190
 
191
 
191
 
192
 
192
/** RGB 5:5:5 conversion
193
/** RGB 5:5:5 conversion
193
 *
194
 *
194
 */
195
 */
195
static void rgb_555(void *dst, uint32_t rgb)
196
static void rgb_555(void *dst, uint32_t rgb)
196
{
197
{
197
    *((uint16_t *) dst)
198
    *((uint16_t *) dst)
198
        = (RED(rgb, 5) << 10) | (GREEN(rgb, 5) << 5) | BLUE(rgb, 5);
199
        = (RED(rgb, 5) << 10) | (GREEN(rgb, 5) << 5) | BLUE(rgb, 5);
199
}
200
}
200
 
201
 
201
 
202
 
202
/** RGB 5:6:5 conversion
203
/** RGB 5:6:5 conversion
203
 *
204
 *
204
 */
205
 */
205
static void rgb_565(void *dst, uint32_t rgb)
206
static void rgb_565(void *dst, uint32_t rgb)
206
{
207
{
207
    *((uint16_t *) dst)
208
    *((uint16_t *) dst)
208
        = (RED(rgb, 5) << 11) | (GREEN(rgb, 6) << 5) | BLUE(rgb, 5);
209
        = (RED(rgb, 5) << 11) | (GREEN(rgb, 6) << 5) | BLUE(rgb, 5);
209
}
210
}
210
 
211
 
211
 
212
 
212
/** RGB 3:2:3
213
/** RGB 3:2:3
213
 *
214
 *
214
 */
215
 */
215
static void rgb_323(void *dst, uint32_t rgb)
216
static void rgb_323(void *dst, uint32_t rgb)
216
{
217
{
217
    *((uint8_t *) dst)
218
    *((uint8_t *) dst)
218
        = ~((RED(rgb, 3) << 5) | (GREEN(rgb, 2) << 3) | BLUE(rgb, 3));
219
        = ~((RED(rgb, 3) << 5) | (GREEN(rgb, 2) << 3) | BLUE(rgb, 3));
219
}
220
}
220
 
221
 
221
 
222
 
222
/** Redraw viewport
223
/** Redraw viewport
223
 *
224
 *
224
 * @param vport Viewport to redraw
225
 * @param vport Viewport to redraw
225
 *
226
 *
226
 */
227
 */
227
static void vport_redraw(viewport_t *vport)
228
static void vport_redraw(viewport_t *vport)
228
{
229
{
229
    unsigned int row;
230
    unsigned int row;
230
   
231
   
231
    for (row = 0; row < vport->rows; row++) {
232
    for (row = 0; row < vport->rows; row++) {
232
        unsigned int y = vport->y + ROW2Y(row);
233
        unsigned int y = vport->y + ROW2Y(row);
233
        unsigned int yd;
234
        unsigned int yd;
234
       
235
       
235
        for (yd = 0; yd < FONT_SCANLINES; yd++) {
236
        for (yd = 0; yd < FONT_SCANLINES; yd++) {
236
            unsigned int x;
237
            unsigned int x;
237
            unsigned int col;
238
            unsigned int col;
238
           
239
           
239
            for (col = 0, x = vport->x; col < vport->cols; col++, x += FONT_WIDTH)
240
            for (col = 0, x = vport->x; col < vport->cols; col++, x += FONT_WIDTH)
240
                memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
241
                memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
241
                &vport->glyphs[GLYPH_POS(vport->backbuf[BB_POS(vport, col, row)], yd, false)],
242
                &vport->glyphs[GLYPH_POS(vport->backbuf[BB_POS(vport, col, row)], yd, false)],
242
                screen.glyphscanline);
243
                screen.glyphscanline);
243
        }
244
        }
244
    }
245
    }
245
   
246
   
246
    if (COL2X(vport->cols) < vport->width) {
247
    if (COL2X(vport->cols) < vport->width) {
247
        unsigned int y;
248
        unsigned int y;
248
       
249
       
249
        for (y = 0; y < vport->height; y++) {
250
        for (y = 0; y < vport->height; y++) {
250
            unsigned int x;
251
            unsigned int x;
251
           
252
           
252
            for (x = COL2X(vport->cols); x < vport->width; x++)
253
            for (x = COL2X(vport->cols); x < vport->width; x++)
253
                memcpy(&screen.fb_addr[FB_POS(x, y)], vport->bgpixel, screen.pixelbytes);
254
                memcpy(&screen.fb_addr[FB_POS(x, y)], vport->bgpixel, screen.pixelbytes);
254
        }
255
        }
255
    }
256
    }
256
   
257
   
257
    if (ROW2Y(vport->rows) < vport->height) {
258
    if (ROW2Y(vport->rows) < vport->height) {
258
        unsigned int y;
259
        unsigned int y;
259
       
260
       
260
        for (y = ROW2Y(vport->rows); y < vport->height; y++) {
261
        for (y = ROW2Y(vport->rows); y < vport->height; y++) {
261
            unsigned int x;
262
            unsigned int x;
262
           
263
           
263
            for (x = 0; x < vport->width; x++)
264
            for (x = 0; x < vport->width; x++)
264
                memcpy(&screen.fb_addr[FB_POS(x, y)], vport->bgpixel, screen.pixelbytes);
265
                memcpy(&screen.fb_addr[FB_POS(x, y)], vport->bgpixel, screen.pixelbytes);
265
        }
266
        }
266
    }
267
    }
267
}
268
}
268
 
269
 
269
 
270
 
270
/** Clear viewport
271
/** Clear viewport
271
 *
272
 *
272
 * @param vport Viewport to clear
273
 * @param vport Viewport to clear
273
 *
274
 *
274
 */
275
 */
275
static void vport_clear(viewport_t *vport)
276
static void vport_clear(viewport_t *vport)
276
{
277
{
277
    memset(vport->backbuf, 0, vport->bbsize);
278
    memset(vport->backbuf, 0, vport->bbsize);
278
    vport_redraw(vport);
279
    vport_redraw(vport);
279
}
280
}
280
 
281
 
281
 
282
 
282
/** Scroll viewport by given number of lines
283
/** Scroll viewport by given number of lines
283
 *
284
 *
284
 * @param vport Viewport to scroll
285
 * @param vport Viewport to scroll
285
 * @param lines Number of lines to scroll
286
 * @param lines Number of lines to scroll
286
 *
287
 *
287
 */
288
 */
288
static void vport_scroll(viewport_t *vport, int lines)
289
static void vport_scroll(viewport_t *vport, int lines)
289
{
290
{
290
    unsigned int row;
291
    unsigned int row;
291
   
292
   
292
    for (row = 0; row < vport->rows; row++) {
293
    for (row = 0; row < vport->rows; row++) {
293
        unsigned int y = vport->y + ROW2Y(row);
294
        unsigned int y = vport->y + ROW2Y(row);
294
        unsigned int yd;
295
        unsigned int yd;
295
       
296
       
296
        for (yd = 0; yd < FONT_SCANLINES; yd++) {
297
        for (yd = 0; yd < FONT_SCANLINES; yd++) {
297
            unsigned int x;
298
            unsigned int x;
298
            unsigned int col;
299
            unsigned int col;
299
           
300
           
300
            for (col = 0, x = vport->x; col < vport->cols; col++, x += FONT_WIDTH) {
301
            for (col = 0, x = vport->x; col < vport->cols; col++, x += FONT_WIDTH) {
301
                uint8_t glyph;
302
                uint8_t glyph;
302
               
303
               
303
                if ((row + lines >= 0) && (row + lines < vport->rows)) {
304
                if ((row + lines >= 0) && (row + lines < vport->rows)) {
304
                    if (vport->backbuf[BB_POS(vport, col, row)] == vport->backbuf[BB_POS(vport, col, row + lines)])
305
                    if (vport->backbuf[BB_POS(vport, col, row)] == vport->backbuf[BB_POS(vport, col, row + lines)])
305
                        continue;
306
                        continue;
306
                   
307
                   
307
                    glyph = vport->backbuf[BB_POS(vport, col, row + lines)];
308
                    glyph = vport->backbuf[BB_POS(vport, col, row + lines)];
308
                } else
309
                } else
309
                    glyph = 0;
310
                    glyph = 0;
310
               
311
               
311
                memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
312
                memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
312
                    &vport->glyphs[GLYPH_POS(glyph, yd, false)], screen.glyphscanline);
313
                    &vport->glyphs[GLYPH_POS(glyph, yd, false)], screen.glyphscanline);
313
            }
314
            }
314
        }
315
        }
315
    }
316
    }
316
   
317
   
317
    if (lines > 0) {
318
    if (lines > 0) {
318
        memcpy(vport->backbuf, vport->backbuf + vport->cols * lines, vport->cols * (vport->rows - lines));
319
        memcpy(vport->backbuf, vport->backbuf + vport->cols * lines, vport->cols * (vport->rows - lines));
319
        memset(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)], 0, vport->cols * lines);
320
        memset(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)], 0, vport->cols * lines);
320
    } else {
321
    } else {
321
        memcpy(vport->backbuf - vport->cols * lines, vport->backbuf, vport->cols * (vport->rows + lines));
322
        memcpy(vport->backbuf - vport->cols * lines, vport->backbuf, vport->cols * (vport->rows + lines));
322
        memset(vport->backbuf, 0, - vport->cols * lines);
323
        memset(vport->backbuf, 0, - vport->cols * lines);
323
    }
324
    }
324
}
325
}
325
 
326
 
326
 
327
 
327
/** Render glyphs
328
/** Render glyphs
328
 *
329
 *
329
 * Convert glyphs from device independent font
330
 * Convert glyphs from device independent font
330
 * description to current visual representation.
331
 * description to current visual representation.
331
 *
332
 *
332
 * @param vport Viewport
333
 * @param vport Viewport
333
 *
334
 *
334
 */
335
 */
335
static void render_glyphs(viewport_t* vport)
336
static void render_glyphs(viewport_t* vport)
336
{
337
{
337
    unsigned int glyph;
338
    unsigned int glyph;
338
   
339
   
339
    for (glyph = 0; glyph < FONT_GLYPHS; glyph++) {
340
    for (glyph = 0; glyph < FONT_GLYPHS; glyph++) {
340
        unsigned int y;
341
        unsigned int y;
341
       
342
       
342
        for (y = 0; y < FONT_SCANLINES; y++) {
343
        for (y = 0; y < FONT_SCANLINES; y++) {
343
            unsigned int x;
344
            unsigned int x;
344
           
345
           
345
            for (x = 0; x < FONT_WIDTH; x++) {
346
            for (x = 0; x < FONT_WIDTH; x++) {
346
                screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes],
347
                screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes],
347
                    (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
348
                    (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
348
                    ? vport->style.fg_color : vport->style.bg_color);
349
                    ? vport->style.fg_color : vport->style.bg_color);
349
               
350
               
350
                uint32_t curcolor;
351
                uint32_t curcolor;
351
               
352
               
352
                if (y < FONT_SCANLINES - 2)
353
                if (y < FONT_SCANLINES - 2)
353
                    curcolor =
354
                    curcolor =
354
                        (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
355
                        (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x)))
355
                        ? vport->style.fg_color : vport->style.bg_color;
356
                        ? vport->style.fg_color : vport->style.bg_color;
356
                else
357
                else
357
                    curcolor = vport->style.fg_color;
358
                    curcolor = vport->style.fg_color;
358
               
359
               
359
                screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], curcolor);
360
                screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], curcolor);
360
            }
361
            }
361
        }
362
        }
362
    }
363
    }
363
   
364
   
364
    screen.rgb_conv(vport->bgpixel, vport->style.bg_color);
365
    screen.rgb_conv(vport->bgpixel, vport->style.bg_color);
365
}
366
}
366
 
367
 
367
 
368
 
368
/** Create new viewport
369
/** Create new viewport
369
 *
370
 *
370
 * @param x      Origin of the viewport (x).
371
 * @param x      Origin of the viewport (x).
371
 * @param y      Origin of the viewport (y).
372
 * @param y      Origin of the viewport (y).
372
 * @param width  Width of the viewport.
373
 * @param width  Width of the viewport.
373
 * @param height Height of the viewport.
374
 * @param height Height of the viewport.
374
 *
375
 *
375
 * @return New viewport number.
376
 * @return New viewport number.
376
 *
377
 *
377
 */
378
 */
378
static int vport_create(unsigned int x, unsigned int y,
379
static int vport_create(unsigned int x, unsigned int y,
379
    unsigned int width, unsigned int height)
380
    unsigned int width, unsigned int height)
380
{
381
{
381
    unsigned int i;
382
    unsigned int i;
382
   
383
   
383
    for (i = 0; i < MAX_VIEWPORTS; i++) {
384
    for (i = 0; i < MAX_VIEWPORTS; i++) {
384
        if (!viewports[i].initialized)
385
        if (!viewports[i].initialized)
385
            break;
386
            break;
386
    }
387
    }
387
    if (i == MAX_VIEWPORTS)
388
    if (i == MAX_VIEWPORTS)
388
        return ELIMIT;
389
        return ELIMIT;
389
   
390
   
390
    unsigned int cols = width / FONT_WIDTH;
391
    unsigned int cols = width / FONT_WIDTH;
391
    unsigned int rows = height / FONT_SCANLINES;
392
    unsigned int rows = height / FONT_SCANLINES;
392
    unsigned int bbsize = cols * rows;
393
    unsigned int bbsize = cols * rows;
393
    unsigned int glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes;
394
    unsigned int glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes;
394
   
395
   
395
    uint8_t *backbuf = (uint8_t *) malloc(bbsize);
396
    uint8_t *backbuf = (uint8_t *) malloc(bbsize);
396
    if (!backbuf)
397
    if (!backbuf)
397
        return ENOMEM;
398
        return ENOMEM;
398
   
399
   
399
    uint8_t *glyphs = (uint8_t *) malloc(glyphsize);
400
    uint8_t *glyphs = (uint8_t *) malloc(glyphsize);
400
    if (!glyphs) {
401
    if (!glyphs) {
401
        free(backbuf);
402
        free(backbuf);
402
        return ENOMEM;
403
        return ENOMEM;
403
    }
404
    }
404
   
405
   
405
    uint8_t *bgpixel = (uint8_t *) malloc(screen.pixelbytes);
406
    uint8_t *bgpixel = (uint8_t *) malloc(screen.pixelbytes);
406
    if (!bgpixel) {
407
    if (!bgpixel) {
407
        free(glyphs);
408
        free(glyphs);
408
        free(backbuf);
409
        free(backbuf);
409
        return ENOMEM;
410
        return ENOMEM;
410
    }
411
    }
411
   
412
   
412
    memset(backbuf, 0, bbsize);
413
    memset(backbuf, 0, bbsize);
413
    memset(glyphs, 0, glyphsize);
414
    memset(glyphs, 0, glyphsize);
414
    memset(bgpixel, 0, screen.pixelbytes);
415
    memset(bgpixel, 0, screen.pixelbytes);
415
   
416
   
416
    viewports[i].x = x;
417
    viewports[i].x = x;
417
    viewports[i].y = y;
418
    viewports[i].y = y;
418
    viewports[i].width = width;
419
    viewports[i].width = width;
419
    viewports[i].height = height;
420
    viewports[i].height = height;
420
   
421
   
421
    viewports[i].cols = cols;
422
    viewports[i].cols = cols;
422
    viewports[i].rows = rows;
423
    viewports[i].rows = rows;
423
   
424
   
424
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
425
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
425
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
426
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
426
   
427
   
427
    viewports[i].glyphs = glyphs;
428
    viewports[i].glyphs = glyphs;
428
    viewports[i].bgpixel = bgpixel;
429
    viewports[i].bgpixel = bgpixel;
429
   
430
   
430
    viewports[i].cur_col = 0;
431
    viewports[i].cur_col = 0;
431
    viewports[i].cur_row = 0;
432
    viewports[i].cur_row = 0;
432
    viewports[i].cursor_active = false;
433
    viewports[i].cursor_active = false;
433
    viewports[i].cursor_shown = false;
434
    viewports[i].cursor_shown = false;
434
   
435
   
435
    viewports[i].bbsize = bbsize;
436
    viewports[i].bbsize = bbsize;
436
    viewports[i].backbuf = backbuf;
437
    viewports[i].backbuf = backbuf;
437
   
438
   
438
    viewports[i].initialized = true;
439
    viewports[i].initialized = true;
439
   
440
   
440
    render_glyphs(&viewports[i]);
441
    render_glyphs(&viewports[i]);
441
   
442
   
442
    return i;
443
    return i;
443
}
444
}
444
 
445
 
445
 
446
 
446
/** Initialize framebuffer as a chardev output device
447
/** Initialize framebuffer as a chardev output device
447
 *
448
 *
448
 * @param addr   Address of the framebuffer
449
 * @param addr   Address of the framebuffer
449
 * @param xres   Screen width in pixels
450
 * @param xres   Screen width in pixels
450
 * @param yres   Screen height in pixels
451
 * @param yres   Screen height in pixels
451
 * @param visual Bits per pixel (8, 16, 24, 32)
452
 * @param visual Bits per pixel (8, 16, 24, 32)
452
 * @param scan   Bytes per one scanline
453
 * @param scan   Bytes per one scanline
453
 *
454
 *
454
 */
455
 */
455
static bool screen_init(void *addr, unsigned int xres, unsigned int yres,
456
static bool screen_init(void *addr, unsigned int xres, unsigned int yres,
456
    unsigned int scan, unsigned int visual)
457
    unsigned int scan, unsigned int visual)
457
{
458
{
458
    switch (visual) {
459
    switch (visual) {
459
    case VISUAL_INDIRECT_8:
460
    case VISUAL_INDIRECT_8:
460
        screen.rgb_conv = rgb_323;
461
        screen.rgb_conv = rgb_323;
461
        screen.pixelbytes = 1;
462
        screen.pixelbytes = 1;
462
        break;
463
        break;
463
    case VISUAL_RGB_5_5_5:
464
    case VISUAL_RGB_5_5_5:
464
        screen.rgb_conv = rgb_555;
465
        screen.rgb_conv = rgb_555;
465
        screen.pixelbytes = 2;
466
        screen.pixelbytes = 2;
466
        break;
467
        break;
467
    case VISUAL_RGB_5_6_5:
468
    case VISUAL_RGB_5_6_5:
468
        screen.rgb_conv = rgb_565;
469
        screen.rgb_conv = rgb_565;
469
        screen.pixelbytes = 2;
470
        screen.pixelbytes = 2;
470
        break;
471
        break;
471
    case VISUAL_RGB_8_8_8:
472
    case VISUAL_RGB_8_8_8:
472
        screen.rgb_conv = rgb_888;
473
        screen.rgb_conv = rgb_888;
473
        screen.pixelbytes = 3;
474
        screen.pixelbytes = 3;
474
        break;
475
        break;
475
    case VISUAL_RGB_8_8_8_0:
476
    case VISUAL_RGB_8_8_8_0:
476
        screen.rgb_conv = rgb_888;
477
        screen.rgb_conv = rgb_888;
477
        screen.pixelbytes = 4;
478
        screen.pixelbytes = 4;
478
        break;
479
        break;
479
    case VISUAL_RGB_0_8_8_8:
480
    case VISUAL_RGB_0_8_8_8:
480
        screen.rgb_conv = rgb_0888;
481
        screen.rgb_conv = rgb_0888;
481
        screen.pixelbytes = 4;
482
        screen.pixelbytes = 4;
482
        break;
483
        break;
483
    case VISUAL_BGR_0_8_8_8:
484
    case VISUAL_BGR_0_8_8_8:
484
        screen.rgb_conv = bgr_0888;
485
        screen.rgb_conv = bgr_0888;
485
        screen.pixelbytes = 4;
486
        screen.pixelbytes = 4;
486
        break;
487
        break;
487
    default:
488
    default:
488
        return false;
489
        return false;
489
    }
490
    }
490
 
491
 
491
    screen.fb_addr = (unsigned char *) addr;
492
    screen.fb_addr = (unsigned char *) addr;
492
    screen.xres = xres;
493
    screen.xres = xres;
493
    screen.yres = yres;
494
    screen.yres = yres;
494
    screen.scanline = scan;
495
    screen.scanline = scan;
495
   
496
   
496
    screen.glyphscanline = FONT_WIDTH * screen.pixelbytes;
497
    screen.glyphscanline = FONT_WIDTH * screen.pixelbytes;
497
    screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES;
498
    screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES;
498
   
499
   
499
    /* Create first viewport */
500
    /* Create first viewport */
500
    vport_create(0, 0, xres, yres);
501
    vport_create(0, 0, xres, yres);
501
   
502
   
502
    return true;
503
    return true;
503
}
504
}
504
 
505
 
505
 
506
 
506
/** Draw glyph at given position relative to viewport
507
/** Draw glyph at given position relative to viewport
507
 *
508
 *
508
 * @param vport  Viewport identification
509
 * @param vport  Viewport identification
509
 * @param cursor Draw glyph with cursor
510
 * @param cursor Draw glyph with cursor
510
 * @param col    Screen position relative to viewport
511
 * @param col    Screen position relative to viewport
511
 * @param row    Screen position relative to viewport
512
 * @param row    Screen position relative to viewport
512
 *
513
 *
513
 */
514
 */
514
static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col, unsigned int row)
515
static void draw_glyph(viewport_t *vport, bool cursor, unsigned int col, unsigned int row)
515
{
516
{
516
    unsigned int x = vport->x + COL2X(col);
517
    unsigned int x = vport->x + COL2X(col);
517
    unsigned int y = vport->y + ROW2Y(row);
518
    unsigned int y = vport->y + ROW2Y(row);
518
    unsigned int yd;
519
    unsigned int yd;
519
   
520
   
520
    uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
521
    uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
521
   
522
   
522
    for (yd = 0; yd < FONT_SCANLINES; yd++)
523
    for (yd = 0; yd < FONT_SCANLINES; yd++)
523
        memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
524
        memcpy(&screen.fb_addr[FB_POS(x, y + yd)],
524
            &vport->glyphs[GLYPH_POS(glyph, yd, cursor)], screen.glyphscanline);
525
            &vport->glyphs[GLYPH_POS(glyph, yd, cursor)], screen.glyphscanline);
525
}
526
}
526
 
527
 
527
 
528
 
528
/** Hide cursor if it is shown
529
/** Hide cursor if it is shown
529
 *
530
 *
530
 */
531
 */
531
static void cursor_hide(viewport_t *vport)
532
static void cursor_hide(viewport_t *vport)
532
{
533
{
533
    if ((vport->cursor_active) && (vport->cursor_shown)) {
534
    if ((vport->cursor_active) && (vport->cursor_shown)) {
534
        draw_glyph(vport, false, vport->cur_col, vport->cur_row);
535
        draw_glyph(vport, false, vport->cur_col, vport->cur_row);
535
        vport->cursor_shown = false;
536
        vport->cursor_shown = false;
536
    }
537
    }
537
}
538
}
538
 
539
 
539
 
540
 
540
/** Show cursor if cursor showing is enabled
541
/** Show cursor if cursor showing is enabled
541
 *
542
 *
542
 */
543
 */
543
static void cursor_show(viewport_t *vport)
544
static void cursor_show(viewport_t *vport)
544
{
545
{
545
    /* Do not check for cursor_shown */
546
    /* Do not check for cursor_shown */
546
    if (vport->cursor_active) {
547
    if (vport->cursor_active) {
547
        draw_glyph(vport, true, vport->cur_col, vport->cur_row);
548
        draw_glyph(vport, true, vport->cur_col, vport->cur_row);
548
        vport->cursor_shown = true;
549
        vport->cursor_shown = true;
549
    }
550
    }
550
}
551
}
551
 
552
 
552
 
553
 
553
/** Invert cursor, if it is enabled
554
/** Invert cursor, if it is enabled
554
 *
555
 *
555
 */
556
 */
556
static void cursor_blink(viewport_t *vport)
557
static void cursor_blink(viewport_t *vport)
557
{
558
{
558
    if (vport->cursor_shown)
559
    if (vport->cursor_shown)
559
        cursor_hide(vport);
560
        cursor_hide(vport);
560
    else
561
    else
561
        cursor_show(vport);
562
        cursor_show(vport);
562
}
563
}
563
 
564
 
564
 
565
 
565
/** Draw character at given position relative to viewport
566
/** Draw character at given position relative to viewport
566
 *
567
 *
567
 * @param vport  Viewport identification
568
 * @param vport  Viewport identification
568
 * @param c      Character to draw
569
 * @param c      Character to draw
569
 * @param col    Screen position relative to viewport
570
 * @param col    Screen position relative to viewport
570
 * @param row    Screen position relative to viewport
571
 * @param row    Screen position relative to viewport
571
 *
572
 *
572
 */
573
 */
573
static void draw_char(viewport_t *vport, uint8_t c, unsigned int col, unsigned int row)
574
static void draw_char(viewport_t *vport, uint8_t c, unsigned int col, unsigned int row)
574
{
575
{
575
    /* Do not hide cursor if we are going to overwrite it */
576
    /* Do not hide cursor if we are going to overwrite it */
576
    if ((vport->cursor_active) && (vport->cursor_shown) &&
577
    if ((vport->cursor_active) && (vport->cursor_shown) &&
577
        ((vport->cur_col != col) || (vport->cur_row != row)))
578
        ((vport->cur_col != col) || (vport->cur_row != row)))
578
        cursor_hide(vport);
579
        cursor_hide(vport);
579
   
580
   
580
    uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
581
    uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
581
   
582
   
582
    if (glyph != c) {
583
    if (glyph != c) {
583
        vport->backbuf[BB_POS(vport, col, row)] = c;
584
        vport->backbuf[BB_POS(vport, col, row)] = c;
584
        draw_glyph(vport, false, col, row);
585
        draw_glyph(vport, false, col, row);
585
    }
586
    }
586
   
587
   
587
    vport->cur_col = col;
588
    vport->cur_col = col;
588
    vport->cur_row = row;
589
    vport->cur_row = row;
589
   
590
   
590
    vport->cur_col++;
591
    vport->cur_col++;
591
    if (vport->cur_col >= vport->cols) {
592
    if (vport->cur_col >= vport->cols) {
592
        vport->cur_col = 0;
593
        vport->cur_col = 0;
593
        vport->cur_row++;
594
        vport->cur_row++;
594
        if (vport->cur_row >= vport->rows)
595
        if (vport->cur_row >= vport->rows)
595
            vport->cur_row--;
596
            vport->cur_row--;
596
    }
597
    }
597
   
598
   
598
    cursor_show(vport);
599
    cursor_show(vport);
599
}
600
}
600
 
601
 
601
 
602
 
602
/** Draw text data to viewport
603
/** Draw text data to viewport
603
 *
604
 *
604
 * @param vport Viewport id
605
 * @param vport Viewport id
605
 * @param data  Text data fitting exactly into viewport
606
 * @param data  Text data fitting exactly into viewport
606
 *
607
 *
607
 */
608
 */
608
static void draw_text_data(viewport_t *vport, keyfield_t *data)
609
static void draw_text_data(viewport_t *vport, keyfield_t *data)
609
{
610
{
610
    unsigned int i;
611
    unsigned int i;
611
   
612
   
612
    for (i = 0; i < vport->cols * vport->rows; i++) {
613
    for (i = 0; i < vport->cols * vport->rows; i++) {
613
        unsigned int col = i % vport->cols;
614
        unsigned int col = i % vport->cols;
614
        unsigned int row = i / vport->cols;
615
        unsigned int row = i / vport->cols;
615
       
616
       
616
        uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
617
        uint8_t glyph = vport->backbuf[BB_POS(vport, col, row)];
617
       
618
       
618
        // TODO: use data[i].style
619
        // TODO: use data[i].style
619
       
620
       
620
        if (glyph != data[i].character) {
621
        if (glyph != data[i].character) {
621
            vport->backbuf[BB_POS(vport, col, row)] = data[i].character;
622
            vport->backbuf[BB_POS(vport, col, row)] = data[i].character;
622
            draw_glyph(vport, false, col, row);
623
            draw_glyph(vport, false, col, row);
623
        }
624
        }
624
    }
625
    }
625
    cursor_show(vport);
626
    cursor_show(vport);
626
}
627
}
627
 
628
 
628
 
629
 
629
static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color)
630
static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color)
630
{
631
{
631
    int pm = *((int *) data);
632
    int pm = *((int *) data);
632
    pixmap_t *pmap = &pixmaps[pm];
633
    pixmap_t *pmap = &pixmaps[pm];
633
    unsigned int pos = (y * pmap->width + x) * screen.pixelbytes;
634
    unsigned int pos = (y * pmap->width + x) * screen.pixelbytes;
634
   
635
   
635
    screen.rgb_conv(&pmap->data[pos], color);
636
    screen.rgb_conv(&pmap->data[pos], color);
636
}
637
}
637
 
638
 
638
 
639
 
639
static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color)
640
static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color)
640
{
641
{
641
    viewport_t *vport = (viewport_t *) data;
642
    viewport_t *vport = (viewport_t *) data;
642
    unsigned int dx = vport->x + x;
643
    unsigned int dx = vport->x + x;
643
    unsigned int dy = vport->y + y;
644
    unsigned int dy = vport->y + y;
644
   
645
   
645
    screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color);
646
    screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color);
646
}
647
}
647
 
648
 
648
 
649
 
649
/** Return first free pixmap
650
/** Return first free pixmap
650
 *
651
 *
651
 */
652
 */
652
static int find_free_pixmap(void)
653
static int find_free_pixmap(void)
653
{
654
{
654
    unsigned int i;
655
    unsigned int i;
655
   
656
   
656
    for (i = 0; i < MAX_PIXMAPS; i++)
657
    for (i = 0; i < MAX_PIXMAPS; i++)
657
        if (!pixmaps[i].data)
658
        if (!pixmaps[i].data)
658
            return i;
659
            return i;
659
   
660
   
660
    return -1;
661
    return -1;
661
}
662
}
662
 
663
 
663
 
664
 
664
/** Create a new pixmap and return appropriate ID
665
/** Create a new pixmap and return appropriate ID
665
 *
666
 *
666
 */
667
 */
667
static int shm2pixmap(unsigned char *shm, size_t size)
668
static int shm2pixmap(unsigned char *shm, size_t size)
668
{
669
{
669
    int pm;
670
    int pm;
670
    pixmap_t *pmap;
671
    pixmap_t *pmap;
671
   
672
   
672
    pm = find_free_pixmap();
673
    pm = find_free_pixmap();
673
    if (pm == -1)
674
    if (pm == -1)
674
        return ELIMIT;
675
        return ELIMIT;
675
   
676
   
676
    pmap = &pixmaps[pm];
677
    pmap = &pixmaps[pm];
677
   
678
   
678
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
679
    if (ppm_get_data(shm, size, &pmap->width, &pmap->height))
679
        return EINVAL;
680
        return EINVAL;
680
   
681
   
681
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
682
    pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes);
682
    if (!pmap->data)
683
    if (!pmap->data)
683
        return ENOMEM;
684
        return ENOMEM;
684
   
685
   
685
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, putpixel_pixmap, (void *) &pm);
686
    ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, putpixel_pixmap, (void *) &pm);
686
   
687
   
687
    return pm;
688
    return pm;
688
}
689
}
689
 
690
 
690
 
691
 
691
/** Handle shared memory communication calls
692
/** Handle shared memory communication calls
692
 *
693
 *
693
 * Protocol for drawing pixmaps:
694
 * Protocol for drawing pixmaps:
694
 * - FB_PREPARE_SHM(client shm identification)
695
 * - FB_PREPARE_SHM(client shm identification)
695
 * - IPC_M_AS_AREA_SEND
696
 * - IPC_M_AS_AREA_SEND
696
 * - FB_DRAW_PPM(startx, starty)
697
 * - FB_DRAW_PPM(startx, starty)
697
 * - FB_DROP_SHM
698
 * - FB_DROP_SHM
698
 *
699
 *
699
 * Protocol for text drawing
700
 * Protocol for text drawing
700
 * - IPC_M_AS_AREA_SEND
701
 * - IPC_M_AS_AREA_SEND
701
 * - FB_DRAW_TEXT_DATA
702
 * - FB_DRAW_TEXT_DATA
702
 *
703
 *
703
 * @param callid Callid of the current call
704
 * @param callid Callid of the current call
704
 * @param call   Current call data
705
 * @param call   Current call data
705
 * @param vp     Active viewport
706
 * @param vp     Active viewport
706
 *
707
 *
707
 * @return false if the call was not handled byt this function, true otherwise
708
 * @return false if the call was not handled byt this function, true otherwise
708
 *
709
 *
709
 * Note: this function is not threads safe, you would have
710
 * Note: this function is not threads safe, you would have
710
 * to redefine static variables with __thread
711
 * to redefine static variables with __thread
711
 *
712
 *
712
 */
713
 */
713
static bool shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
714
static bool shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
714
{
715
{
715
    static keyfield_t *interbuffer = NULL;
716
    static keyfield_t *interbuffer = NULL;
716
    static size_t intersize = 0;
717
    static size_t intersize = 0;
717
   
718
   
718
    static unsigned char *shm = NULL;
719
    static unsigned char *shm = NULL;
719
    static ipcarg_t shm_id = 0;
720
    static ipcarg_t shm_id = 0;
720
    static size_t shm_size;
721
    static size_t shm_size;
721
   
722
   
722
    bool handled = true;
723
    bool handled = true;
723
    int retval = EOK;
724
    int retval = EOK;
724
    viewport_t *vport = &viewports[vp];
725
    viewport_t *vport = &viewports[vp];
725
    unsigned int x;
726
    unsigned int x;
726
    unsigned int y;
727
    unsigned int y;
727
   
728
   
728
    switch (IPC_GET_METHOD(*call)) {
729
    switch (IPC_GET_METHOD(*call)) {
729
    case IPC_M_SHARE_OUT:
730
    case IPC_M_SHARE_OUT:
730
        /* We accept one area for data interchange */
731
        /* We accept one area for data interchange */
731
        if (IPC_GET_ARG1(*call) == shm_id) {
732
        if (IPC_GET_ARG1(*call) == shm_id) {
732
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
733
            void *dest = as_get_mappable_page(IPC_GET_ARG2(*call));
733
            shm_size = IPC_GET_ARG2(*call);
734
            shm_size = IPC_GET_ARG2(*call);
734
            if (!ipc_answer_1(callid, EOK, (sysarg_t) dest))
735
            if (!ipc_answer_1(callid, EOK, (sysarg_t) dest))
735
                shm = dest;
736
                shm = dest;
736
            else
737
            else
737
                shm_id = 0;
738
                shm_id = 0;
738
           
739
           
739
            if (shm[0] != 'P')
740
            if (shm[0] != 'P')
740
                return false;
741
                return false;
741
           
742
           
742
            return true;
743
            return true;
743
        } else {
744
        } else {
744
            intersize = IPC_GET_ARG2(*call);
745
            intersize = IPC_GET_ARG2(*call);
745
            receive_comm_area(callid, call, (void *) &interbuffer);
746
            receive_comm_area(callid, call, (void *) &interbuffer);
746
        }
747
        }
747
        return true;
748
        return true;
748
    case FB_PREPARE_SHM:
749
    case FB_PREPARE_SHM:
749
        if (shm_id)
750
        if (shm_id)
750
            retval = EBUSY;
751
            retval = EBUSY;
751
        else
752
        else
752
            shm_id = IPC_GET_ARG1(*call);
753
            shm_id = IPC_GET_ARG1(*call);
753
        break;
754
        break;
754
       
755
       
755
    case FB_DROP_SHM:
756
    case FB_DROP_SHM:
756
        if (shm) {
757
        if (shm) {
757
            as_area_destroy(shm);
758
            as_area_destroy(shm);
758
            shm = NULL;
759
            shm = NULL;
759
        }
760
        }
760
        shm_id = 0;
761
        shm_id = 0;
761
        break;
762
        break;
762
       
763
       
763
    case FB_SHM2PIXMAP:
764
    case FB_SHM2PIXMAP:
764
        if (!shm) {
765
        if (!shm) {
765
            retval = EINVAL;
766
            retval = EINVAL;
766
            break;
767
            break;
767
        }
768
        }
768
        retval = shm2pixmap(shm, shm_size);
769
        retval = shm2pixmap(shm, shm_size);
769
        break;
770
        break;
770
    case FB_DRAW_PPM:
771
    case FB_DRAW_PPM:
771
        if (!shm) {
772
        if (!shm) {
772
            retval = EINVAL;
773
            retval = EINVAL;
773
            break;
774
            break;
774
        }
775
        }
775
        x = IPC_GET_ARG1(*call);
776
        x = IPC_GET_ARG1(*call);
776
        y = IPC_GET_ARG2(*call);
777
        y = IPC_GET_ARG2(*call);
777
       
778
       
778
        if ((x > vport->width) || (y > vport->height)) {
779
        if ((x > vport->width) || (y > vport->height)) {
779
            retval = EINVAL;
780
            retval = EINVAL;
780
            break;
781
            break;
781
        }
782
        }
782
       
783
       
783
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
784
        ppm_draw(shm, shm_size, IPC_GET_ARG1(*call),
784
            IPC_GET_ARG2(*call), vport->width - x, vport->height - y, putpixel, (void *) vport);
785
            IPC_GET_ARG2(*call), vport->width - x, vport->height - y, putpixel, (void *) vport);
785
        break;
786
        break;
786
    case FB_DRAW_TEXT_DATA:
787
    case FB_DRAW_TEXT_DATA:
787
        if (!interbuffer) {
788
        if (!interbuffer) {
788
            retval = EINVAL;
789
            retval = EINVAL;
789
            break;
790
            break;
790
        }
791
        }
791
        if (intersize < vport->cols * vport->rows * sizeof(*interbuffer)) {
792
        if (intersize < vport->cols * vport->rows * sizeof(*interbuffer)) {
792
            retval = EINVAL;
793
            retval = EINVAL;
793
            break;
794
            break;
794
        }
795
        }
795
        draw_text_data(vport, interbuffer);
796
        draw_text_data(vport, interbuffer);
796
        break;
797
        break;
797
    default:
798
    default:
798
        handled = false;
799
        handled = false;
799
    }
800
    }
800
   
801
   
801
    if (handled)
802
    if (handled)
802
        ipc_answer_0(callid, retval);
803
        ipc_answer_0(callid, retval);
803
    return handled;
804
    return handled;
804
}
805
}
805
 
806
 
806
 
807
 
807
static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
808
static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap)
808
{
809
{
809
    unsigned int width = vport->width;
810
    unsigned int width = vport->width;
810
    unsigned int height = vport->height;
811
    unsigned int height = vport->height;
811
   
812
   
812
    if (width + vport->x > screen.xres)
813
    if (width + vport->x > screen.xres)
813
        width = screen.xres - vport->x;
814
        width = screen.xres - vport->x;
814
    if (height + vport->y > screen.yres)
815
    if (height + vport->y > screen.yres)
815
        height = screen.yres - vport->y;
816
        height = screen.yres - vport->y;
816
   
817
   
817
    unsigned int realwidth = pmap->width <= width ? pmap->width : width;
818
    unsigned int realwidth = pmap->width <= width ? pmap->width : width;
818
    unsigned int realheight = pmap->height <= height ? pmap->height : height;
819
    unsigned int realheight = pmap->height <= height ? pmap->height : height;
819
   
820
   
820
    unsigned int srcrowsize = vport->width * screen.pixelbytes;
821
    unsigned int srcrowsize = vport->width * screen.pixelbytes;
821
    unsigned int realrowsize = realwidth * screen.pixelbytes;
822
    unsigned int realrowsize = realwidth * screen.pixelbytes;
822
   
823
   
823
    unsigned int y;
824
    unsigned int y;
824
    for (y = 0; y < realheight; y++) {
825
    for (y = 0; y < realheight; y++) {
825
        unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
826
        unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
826
        memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize);
827
        memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize);
827
    }
828
    }
828
}
829
}
829
 
830
 
830
 
831
 
831
/** Save viewport to pixmap
832
/** Save viewport to pixmap
832
 *
833
 *
833
 */
834
 */
834
static int save_vp_to_pixmap(viewport_t *vport)
835
static int save_vp_to_pixmap(viewport_t *vport)
835
{
836
{
836
    int pm;
837
    int pm;
837
    pixmap_t *pmap;
838
    pixmap_t *pmap;
838
   
839
   
839
    pm = find_free_pixmap();
840
    pm = find_free_pixmap();
840
    if (pm == -1)
841
    if (pm == -1)
841
        return ELIMIT;
842
        return ELIMIT;
842
   
843
   
843
    pmap = &pixmaps[pm];
844
    pmap = &pixmaps[pm];
844
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
845
    pmap->data = malloc(screen.pixelbytes * vport->width * vport->height);
845
    if (!pmap->data)
846
    if (!pmap->data)
846
        return ENOMEM;
847
        return ENOMEM;
847
   
848
   
848
    pmap->width = vport->width;
849
    pmap->width = vport->width;
849
    pmap->height = vport->height;
850
    pmap->height = vport->height;
850
   
851
   
851
    copy_vp_to_pixmap(vport, pmap);
852
    copy_vp_to_pixmap(vport, pmap);
852
   
853
   
853
    return pm;
854
    return pm;
854
}
855
}
855
 
856
 
856
 
857
 
857
/** Draw pixmap on screen
858
/** Draw pixmap on screen
858
 *
859
 *
859
 * @param vp Viewport to draw on
860
 * @param vp Viewport to draw on
860
 * @param pm Pixmap identifier
861
 * @param pm Pixmap identifier
861
 *
862
 *
862
 */
863
 */
863
static int draw_pixmap(int vp, int pm)
864
static int draw_pixmap(int vp, int pm)
864
{
865
{
865
    pixmap_t *pmap = &pixmaps[pm];
866
    pixmap_t *pmap = &pixmaps[pm];
866
    viewport_t *vport = &viewports[vp];
867
    viewport_t *vport = &viewports[vp];
867
   
868
   
868
    unsigned int width = vport->width;
869
    unsigned int width = vport->width;
869
    unsigned int height = vport->height;
870
    unsigned int height = vport->height;
870
   
871
   
871
    if (width + vport->x > screen.xres)
872
    if (width + vport->x > screen.xres)
872
        width = screen.xres - vport->x;
873
        width = screen.xres - vport->x;
873
    if (height + vport->y > screen.yres)
874
    if (height + vport->y > screen.yres)
874
        height = screen.yres - vport->y;
875
        height = screen.yres - vport->y;
875
   
876
   
876
    if (!pmap->data)
877
    if (!pmap->data)
877
        return EINVAL;
878
        return EINVAL;
878
   
879
   
879
    unsigned int realwidth = pmap->width <= width ? pmap->width : width;
880
    unsigned int realwidth = pmap->width <= width ? pmap->width : width;
880
    unsigned int realheight = pmap->height <= height ? pmap->height : height;
881
    unsigned int realheight = pmap->height <= height ? pmap->height : height;
881
   
882
   
882
    unsigned int srcrowsize = vport->width * screen.pixelbytes;
883
    unsigned int srcrowsize = vport->width * screen.pixelbytes;
883
    unsigned int realrowsize = realwidth * screen.pixelbytes;
884
    unsigned int realrowsize = realwidth * screen.pixelbytes;
884
   
885
   
885
    unsigned int y;
886
    unsigned int y;
886
    for (y = 0; y < realheight; y++) {
887
    for (y = 0; y < realheight; y++) {
887
        unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
888
        unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes;
888
        memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize);
889
        memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize);
889
    }
890
    }
890
   
891
   
891
    return EOK;
892
    return EOK;
892
}
893
}
893
 
894
 
894
 
895
 
895
/** Tick animation one step forward
896
/** Tick animation one step forward
896
 *
897
 *
897
 */
898
 */
898
static void anims_tick(void)
899
static void anims_tick(void)
899
{
900
{
900
    unsigned int i;
901
    unsigned int i;
901
    static int counts = 0;
902
    static int counts = 0;
902
   
903
   
903
    /* Limit redrawing */
904
    /* Limit redrawing */
904
    counts = (counts + 1) % 8;
905
    counts = (counts + 1) % 8;
905
    if (counts)
906
    if (counts)
906
        return;
907
        return;
907
 
908
 
908
    for (i = 0; i < MAX_ANIMATIONS; i++) {
909
    for (i = 0; i < MAX_ANIMATIONS; i++) {
909
        if ((!animations[i].animlen) || (!animations[i].initialized) ||
910
        if ((!animations[i].animlen) || (!animations[i].initialized) ||
910
            (!animations[i].enabled))
911
            (!animations[i].enabled))
911
            continue;
912
            continue;
912
       
913
       
913
        draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
914
        draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]);
914
        animations[i].pos = (animations[i].pos + 1) % animations[i].animlen;
915
        animations[i].pos = (animations[i].pos + 1) % animations[i].animlen;
915
    }
916
    }
916
}
917
}
917
 
918
 
918
 
919
 
919
static unsigned int pointer_x;
920
static unsigned int pointer_x;
920
static unsigned int pointer_y;
921
static unsigned int pointer_y;
921
static bool pointer_shown, pointer_enabled;
922
static bool pointer_shown, pointer_enabled;
922
static int pointer_vport = -1;
923
static int pointer_vport = -1;
923
static int pointer_pixmap = -1;
924
static int pointer_pixmap = -1;
924
 
925
 
925
 
926
 
926
static void mouse_show(void)
927
static void mouse_show(void)
927
{
928
{
928
    int i, j;
929
    int i, j;
929
    int visibility;
930
    int visibility;
930
    int color;
931
    int color;
931
    int bytepos;
932
    int bytepos;
932
   
933
   
933
    if ((pointer_shown) || (!pointer_enabled))
934
    if ((pointer_shown) || (!pointer_enabled))
934
        return;
935
        return;
935
   
936
   
936
    /* Save image under the cursor */
937
    /* Save image under the cursor */
937
    if (pointer_vport == -1) {
938
    if (pointer_vport == -1) {
938
        pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height);
939
        pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height);
939
        if (pointer_vport < 0)
940
        if (pointer_vport < 0)
940
            return;
941
            return;
941
    } else {
942
    } else {
942
        viewports[pointer_vport].x = pointer_x;
943
        viewports[pointer_vport].x = pointer_x;
943
        viewports[pointer_vport].y = pointer_y;
944
        viewports[pointer_vport].y = pointer_y;
944
    }
945
    }
945
   
946
   
946
    if (pointer_pixmap == -1)
947
    if (pointer_pixmap == -1)
947
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
948
        pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]);
948
    else
949
    else
949
        copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
950
        copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]);
950
   
951
   
951
    /* Draw cursor */
952
    /* Draw cursor */
952
    for (i = 0; i < pointer_height; i++)
953
    for (i = 0; i < pointer_height; i++)
953
        for (j = 0; j < pointer_width; j++) {
954
        for (j = 0; j < pointer_width; j++) {
954
            bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
955
            bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8;
955
            visibility = pointer_mask_bits[bytepos] &
956
            visibility = pointer_mask_bits[bytepos] &
956
                (1 << (j % 8));
957
                (1 << (j % 8));
957
            if (visibility) {
958
            if (visibility) {
958
                color = pointer_bits[bytepos] &
959
                color = pointer_bits[bytepos] &
959
                    (1 << (j % 8)) ? 0 : 0xffffff;
960
                    (1 << (j % 8)) ? 0 : 0xffffff;
960
                if (pointer_x + j < screen.xres && pointer_y +
961
                if (pointer_x + j < screen.xres && pointer_y +
961
                    i < screen.yres)
962
                    i < screen.yres)
962
                    putpixel(&viewports[0], pointer_x + j,
963
                    putpixel(&viewports[0], pointer_x + j,
963
                        pointer_y + i, color);
964
                        pointer_y + i, color);
964
            }
965
            }
965
        }
966
        }
966
    pointer_shown = 1;
967
    pointer_shown = 1;
967
}
968
}
968
 
969
 
969
 
970
 
970
static void mouse_hide(void)
971
static void mouse_hide(void)
971
{
972
{
972
    /* Restore image under the cursor */
973
    /* Restore image under the cursor */
973
    if (pointer_shown) {
974
    if (pointer_shown) {
974
        draw_pixmap(pointer_vport, pointer_pixmap);
975
        draw_pixmap(pointer_vport, pointer_pixmap);
975
        pointer_shown = 0;
976
        pointer_shown = 0;
976
    }
977
    }
977
}
978
}
978
 
979
 
979
 
980
 
980
static void mouse_move(unsigned int x, unsigned int y)
981
static void mouse_move(unsigned int x, unsigned int y)
981
{
982
{
982
    mouse_hide();
983
    mouse_hide();
983
    pointer_x = x;
984
    pointer_x = x;
984
    pointer_y = y;
985
    pointer_y = y;
985
    mouse_show();
986
    mouse_show();
986
}
987
}
987
 
988
 
988
 
989
 
989
static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
990
static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
990
{
991
{
991
    bool handled = true;
992
    bool handled = true;
992
    int retval = EOK;
993
    int retval = EOK;
993
    int i, nvp;
994
    int i, nvp;
994
    int newval;
995
    int newval;
995
   
996
   
996
    switch (IPC_GET_METHOD(*call)) {
997
    switch (IPC_GET_METHOD(*call)) {
997
    case FB_ANIM_CREATE:
998
    case FB_ANIM_CREATE:
998
        nvp = IPC_GET_ARG1(*call);
999
        nvp = IPC_GET_ARG1(*call);
999
        if (nvp == -1)
1000
        if (nvp == -1)
1000
            nvp = vp;
1001
            nvp = vp;
1001
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
1002
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
1002
            !viewports[nvp].initialized) {
1003
            !viewports[nvp].initialized) {
1003
            retval = EINVAL;
1004
            retval = EINVAL;
1004
            break;
1005
            break;
1005
        }
1006
        }
1006
        for (i = 0; i < MAX_ANIMATIONS; i++) {
1007
        for (i = 0; i < MAX_ANIMATIONS; i++) {
1007
            if (!animations[i].initialized)
1008
            if (!animations[i].initialized)
1008
                break;
1009
                break;
1009
        }
1010
        }
1010
        if (i == MAX_ANIMATIONS) {
1011
        if (i == MAX_ANIMATIONS) {
1011
            retval = ELIMIT;
1012
            retval = ELIMIT;
1012
            break;
1013
            break;
1013
        }
1014
        }
1014
        animations[i].initialized = 1;
1015
        animations[i].initialized = 1;
1015
        animations[i].animlen = 0;
1016
        animations[i].animlen = 0;
1016
        animations[i].pos = 0;
1017
        animations[i].pos = 0;
1017
        animations[i].enabled = 0;
1018
        animations[i].enabled = 0;
1018
        animations[i].vp = nvp;
1019
        animations[i].vp = nvp;
1019
        retval = i;
1020
        retval = i;
1020
        break;
1021
        break;
1021
    case FB_ANIM_DROP:
1022
    case FB_ANIM_DROP:
1022
        i = IPC_GET_ARG1(*call);
1023
        i = IPC_GET_ARG1(*call);
1023
        if (i >= MAX_ANIMATIONS || i < 0) {
1024
        if (i >= MAX_ANIMATIONS || i < 0) {
1024
            retval = EINVAL;
1025
            retval = EINVAL;
1025
            break;
1026
            break;
1026
        }
1027
        }
1027
        animations[i].initialized = 0;
1028
        animations[i].initialized = 0;
1028
        break;
1029
        break;
1029
    case FB_ANIM_ADDPIXMAP:
1030
    case FB_ANIM_ADDPIXMAP:
1030
        i = IPC_GET_ARG1(*call);
1031
        i = IPC_GET_ARG1(*call);
1031
        if (i >= MAX_ANIMATIONS || i < 0 ||
1032
        if (i >= MAX_ANIMATIONS || i < 0 ||
1032
            !animations[i].initialized) {
1033
            !animations[i].initialized) {
1033
            retval = EINVAL;
1034
            retval = EINVAL;
1034
            break;
1035
            break;
1035
        }
1036
        }
1036
        if (animations[i].animlen == MAX_ANIM_LEN) {
1037
        if (animations[i].animlen == MAX_ANIM_LEN) {
1037
            retval = ELIMIT;
1038
            retval = ELIMIT;
1038
            break;
1039
            break;
1039
        }
1040
        }
1040
        newval = IPC_GET_ARG2(*call);
1041
        newval = IPC_GET_ARG2(*call);
1041
        if (newval < 0 || newval > MAX_PIXMAPS ||
1042
        if (newval < 0 || newval > MAX_PIXMAPS ||
1042
            !pixmaps[newval].data) {
1043
            !pixmaps[newval].data) {
1043
            retval = EINVAL;
1044
            retval = EINVAL;
1044
            break;
1045
            break;
1045
        }
1046
        }
1046
        animations[i].pixmaps[animations[i].animlen++] = newval;
1047
        animations[i].pixmaps[animations[i].animlen++] = newval;
1047
        break;
1048
        break;
1048
    case FB_ANIM_CHGVP:
1049
    case FB_ANIM_CHGVP:
1049
        i = IPC_GET_ARG1(*call);
1050
        i = IPC_GET_ARG1(*call);
1050
        if (i >= MAX_ANIMATIONS || i < 0) {
1051
        if (i >= MAX_ANIMATIONS || i < 0) {
1051
            retval = EINVAL;
1052
            retval = EINVAL;
1052
            break;
1053
            break;
1053
        }
1054
        }
1054
        nvp = IPC_GET_ARG2(*call);
1055
        nvp = IPC_GET_ARG2(*call);
1055
        if (nvp == -1)
1056
        if (nvp == -1)
1056
            nvp = vp;
1057
            nvp = vp;
1057
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
1058
        if (nvp >= MAX_VIEWPORTS || nvp < 0 ||
1058
            !viewports[nvp].initialized) {
1059
            !viewports[nvp].initialized) {
1059
            retval = EINVAL;
1060
            retval = EINVAL;
1060
            break;
1061
            break;
1061
        }
1062
        }
1062
        animations[i].vp = nvp;
1063
        animations[i].vp = nvp;
1063
        break;
1064
        break;
1064
    case FB_ANIM_START:
1065
    case FB_ANIM_START:
1065
    case FB_ANIM_STOP:
1066
    case FB_ANIM_STOP:
1066
        i = IPC_GET_ARG1(*call);
1067
        i = IPC_GET_ARG1(*call);
1067
        if (i >= MAX_ANIMATIONS || i < 0) {
1068
        if (i >= MAX_ANIMATIONS || i < 0) {
1068
            retval = EINVAL;
1069
            retval = EINVAL;
1069
            break;
1070
            break;
1070
        }
1071
        }
1071
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
1072
        newval = (IPC_GET_METHOD(*call) == FB_ANIM_START);
1072
        if (newval ^ animations[i].enabled) {
1073
        if (newval ^ animations[i].enabled) {
1073
            animations[i].enabled = newval;
1074
            animations[i].enabled = newval;
1074
            anims_enabled += newval ? 1 : -1;
1075
            anims_enabled += newval ? 1 : -1;
1075
        }
1076
        }
1076
        break;
1077
        break;
1077
    default:
1078
    default:
1078
        handled = 0;
1079
        handled = 0;
1079
    }
1080
    }
1080
    if (handled)
1081
    if (handled)
1081
        ipc_answer_0(callid, retval);
1082
        ipc_answer_0(callid, retval);
1082
    return handled;
1083
    return handled;
1083
}
1084
}
1084
 
1085
 
1085
 
1086
 
1086
/** Handler for messages concerning pixmap handling
1087
/** Handler for messages concerning pixmap handling
1087
 *
1088
 *
1088
 */
1089
 */
1089
static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1090
static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp)
1090
{
1091
{
1091
    bool handled = true;
1092
    bool handled = true;
1092
    int retval = EOK;
1093
    int retval = EOK;
1093
    int i, nvp;
1094
    int i, nvp;
1094
   
1095
   
1095
    switch (IPC_GET_METHOD(*call)) {
1096
    switch (IPC_GET_METHOD(*call)) {
1096
    case FB_VP_DRAW_PIXMAP:
1097
    case FB_VP_DRAW_PIXMAP:
1097
        nvp = IPC_GET_ARG1(*call);
1098
        nvp = IPC_GET_ARG1(*call);
1098
        if (nvp == -1)
1099
        if (nvp == -1)
1099
            nvp = vp;
1100
            nvp = vp;
1100
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
1101
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
1101
            !viewports[nvp].initialized) {
1102
            !viewports[nvp].initialized) {
1102
            retval = EINVAL;
1103
            retval = EINVAL;
1103
            break;
1104
            break;
1104
        }
1105
        }
1105
        i = IPC_GET_ARG2(*call);
1106
        i = IPC_GET_ARG2(*call);
1106
        retval = draw_pixmap(nvp, i);
1107
        retval = draw_pixmap(nvp, i);
1107
        break;
1108
        break;
1108
    case FB_VP2PIXMAP:
1109
    case FB_VP2PIXMAP:
1109
        nvp = IPC_GET_ARG1(*call);
1110
        nvp = IPC_GET_ARG1(*call);
1110
        if (nvp == -1)
1111
        if (nvp == -1)
1111
            nvp = vp;
1112
            nvp = vp;
1112
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
1113
        if (nvp < 0 || nvp >= MAX_VIEWPORTS ||
1113
            !viewports[nvp].initialized)
1114
            !viewports[nvp].initialized)
1114
            retval = EINVAL;
1115
            retval = EINVAL;
1115
        else
1116
        else
1116
            retval = save_vp_to_pixmap(&viewports[nvp]);
1117
            retval = save_vp_to_pixmap(&viewports[nvp]);
1117
        break;
1118
        break;
1118
    case FB_DROP_PIXMAP:
1119
    case FB_DROP_PIXMAP:
1119
        i = IPC_GET_ARG1(*call);
1120
        i = IPC_GET_ARG1(*call);
1120
        if (i >= MAX_PIXMAPS) {
1121
        if (i >= MAX_PIXMAPS) {
1121
            retval = EINVAL;
1122
            retval = EINVAL;
1122
            break;
1123
            break;
1123
        }
1124
        }
1124
        if (pixmaps[i].data) {
1125
        if (pixmaps[i].data) {
1125
            free(pixmaps[i].data);
1126
            free(pixmaps[i].data);
1126
            pixmaps[i].data = NULL;
1127
            pixmaps[i].data = NULL;
1127
        }
1128
        }
1128
        break;
1129
        break;
1129
    default:
1130
    default:
1130
        handled = 0;
1131
        handled = 0;
1131
    }
1132
    }
1132
   
1133
   
1133
    if (handled)
1134
    if (handled)
1134
        ipc_answer_0(callid, retval);
1135
        ipc_answer_0(callid, retval);
1135
    return handled;
1136
    return handled;
1136
   
1137
   
1137
}
1138
}
1138
 
1139
 
1139
/** Function for handling connections to FB
1140
/** Function for handling connections to FB
1140
 *
1141
 *
1141
 */
1142
 */
1142
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1143
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
1143
{
1144
{
1144
    unsigned int vp = 0;
1145
    unsigned int vp = 0;
1145
    viewport_t *vport = &viewports[vp];
1146
    viewport_t *vport = &viewports[vp];
1146
   
1147
   
1147
    if (client_connected) {
1148
    if (client_connected) {
1148
        ipc_answer_0(iid, ELIMIT);
1149
        ipc_answer_0(iid, ELIMIT);
1149
        return;
1150
        return;
1150
    }
1151
    }
1151
   
1152
   
1152
    /* Accept connection */
1153
    /* Accept connection */
1153
    client_connected = true;
1154
    client_connected = true;
1154
    ipc_answer_0(iid, EOK);
1155
    ipc_answer_0(iid, EOK);
1155
   
1156
   
1156
    while (true) {
1157
    while (true) {
1157
        ipc_callid_t callid;
1158
        ipc_callid_t callid;
1158
        ipc_call_t call;
1159
        ipc_call_t call;
1159
        int retval;
1160
        int retval;
1160
        unsigned int i;
1161
        unsigned int i;
1161
        int scroll;
1162
        int scroll;
1162
        uint8_t glyph;
1163
        uint8_t glyph;
1163
        unsigned int row, col;
1164
        unsigned int row, col;
1164
       
1165
       
1165
        if ((vport->cursor_active) || (anims_enabled))
1166
        if ((vport->cursor_active) || (anims_enabled))
1166
            callid = async_get_call_timeout(&call, 250000);
1167
            callid = async_get_call_timeout(&call, 250000);
1167
        else
1168
        else
1168
            callid = async_get_call(&call);
1169
            callid = async_get_call(&call);
1169
       
1170
       
1170
        mouse_hide();
1171
        mouse_hide();
1171
        if (!callid) {
1172
        if (!callid) {
1172
            cursor_blink(vport);
1173
            cursor_blink(vport);
1173
            anims_tick();
1174
            anims_tick();
1174
            mouse_show();
1175
            mouse_show();
1175
            continue;
1176
            continue;
1176
        }
1177
        }
1177
       
1178
       
1178
        if (shm_handle(callid, &call, vp))
1179
        if (shm_handle(callid, &call, vp))
1179
            continue;
1180
            continue;
1180
       
1181
       
1181
        if (pixmap_handle(callid, &call, vp))
1182
        if (pixmap_handle(callid, &call, vp))
1182
            continue;
1183
            continue;
1183
       
1184
       
1184
        if (anim_handle(callid, &call, vp))
1185
        if (anim_handle(callid, &call, vp))
1185
            continue;
1186
            continue;
1186
       
1187
       
1187
        switch (IPC_GET_METHOD(call)) {
1188
        switch (IPC_GET_METHOD(call)) {
1188
        case IPC_M_PHONE_HUNGUP:
1189
        case IPC_M_PHONE_HUNGUP:
1189
            client_connected = false;
1190
            client_connected = false;
1190
           
1191
           
1191
            /* Cleanup other viewports */
1192
            /* Cleanup other viewports */
1192
            for (i = 1; i < MAX_VIEWPORTS; i++)
1193
            for (i = 1; i < MAX_VIEWPORTS; i++)
1193
                vport->initialized = false;
1194
                vport->initialized = false;
1194
           
1195
           
1195
            /* Exit thread */
1196
            /* Exit thread */
1196
            return;
1197
            return;
1197
       
1198
       
1198
        case FB_PUTCHAR:
1199
        case FB_PUTCHAR:
1199
            glyph = IPC_GET_ARG1(call);
1200
            glyph = IPC_GET_ARG1(call);
1200
            row = IPC_GET_ARG2(call);
1201
            row = IPC_GET_ARG2(call);
1201
            col = IPC_GET_ARG3(call);
1202
            col = IPC_GET_ARG3(call);
1202
           
1203
           
1203
            if ((col >= vport->cols) || (row >= vport->rows)) {
1204
            if ((col >= vport->cols) || (row >= vport->rows)) {
1204
                retval = EINVAL;
1205
                retval = EINVAL;
1205
                break;
1206
                break;
1206
            }
1207
            }
1207
            ipc_answer_0(callid, EOK);
1208
            ipc_answer_0(callid, EOK);
1208
           
1209
           
1209
            draw_char(vport, glyph, col, row);
1210
            draw_char(vport, glyph, col, row);
1210
           
1211
           
1211
            /* Message already answered */
1212
            /* Message already answered */
1212
            continue;
1213
            continue;
1213
        case FB_CLEAR:
1214
        case FB_CLEAR:
1214
            vport_clear(vport);
1215
            vport_clear(vport);
1215
            cursor_show(vport);
1216
            cursor_show(vport);
1216
            retval = EOK;
1217
            retval = EOK;
1217
            break;
1218
            break;
1218
        case FB_CURSOR_GOTO:
1219
        case FB_CURSOR_GOTO:
1219
            row = IPC_GET_ARG1(call);
1220
            row = IPC_GET_ARG1(call);
1220
            col = IPC_GET_ARG2(call);
1221
            col = IPC_GET_ARG2(call);
1221
           
1222
           
1222
            if ((col >= vport->cols) || (row >= vport->rows)) {
1223
            if ((col >= vport->cols) || (row >= vport->rows)) {
1223
                retval = EINVAL;
1224
                retval = EINVAL;
1224
                break;
1225
                break;
1225
            }
1226
            }
1226
            retval = EOK;
1227
            retval = EOK;
1227
           
1228
           
1228
            cursor_hide(vport);
1229
            cursor_hide(vport);
1229
            vport->cur_col = col;
1230
            vport->cur_col = col;
1230
            vport->cur_row = row;
1231
            vport->cur_row = row;
1231
            cursor_show(vport);
1232
            cursor_show(vport);
1232
            break;
1233
            break;
1233
        case FB_CURSOR_VISIBILITY:
1234
        case FB_CURSOR_VISIBILITY:
1234
            cursor_hide(vport);
1235
            cursor_hide(vport);
1235
            vport->cursor_active = IPC_GET_ARG1(call);
1236
            vport->cursor_active = IPC_GET_ARG1(call);
1236
            cursor_show(vport);
1237
            cursor_show(vport);
1237
            retval = EOK;
1238
            retval = EOK;
1238
            break;
1239
            break;
1239
        case FB_GET_CSIZE:
1240
        case FB_GET_CSIZE:
1240
            ipc_answer_2(callid, EOK, vport->rows, vport->cols);
1241
            ipc_answer_2(callid, EOK, vport->rows, vport->cols);
1241
            continue;
1242
            continue;
1242
        case FB_SCROLL:
1243
        case FB_SCROLL:
1243
            scroll = IPC_GET_ARG1(call);
1244
            scroll = IPC_GET_ARG1(call);
1244
            if ((scroll > (int) vport->rows) || (scroll < (-(int) vport->rows))) {
1245
            if ((scroll > (int) vport->rows) || (scroll < (-(int) vport->rows))) {
1245
                retval = EINVAL;
1246
                retval = EINVAL;
1246
                break;
1247
                break;
1247
            }
1248
            }
1248
            cursor_hide(vport);
1249
            cursor_hide(vport);
1249
            vport_scroll(vport, scroll);
1250
            vport_scroll(vport, scroll);
1250
            cursor_show(vport);
1251
            cursor_show(vport);
1251
            retval = EOK;
1252
            retval = EOK;
1252
            break;
1253
            break;
1253
        case FB_VIEWPORT_SWITCH:
1254
        case FB_VIEWPORT_SWITCH:
1254
            i = IPC_GET_ARG1(call);
1255
            i = IPC_GET_ARG1(call);
1255
            if (i >= MAX_VIEWPORTS) {
1256
            if (i >= MAX_VIEWPORTS) {
1256
                retval = EINVAL;
1257
                retval = EINVAL;
1257
                break;
1258
                break;
1258
            }
1259
            }
1259
            if (!viewports[i].initialized) {
1260
            if (!viewports[i].initialized) {
1260
                retval = EADDRNOTAVAIL;
1261
                retval = EADDRNOTAVAIL;
1261
                break;
1262
                break;
1262
            }
1263
            }
1263
            cursor_hide(vport);
1264
            cursor_hide(vport);
1264
            vp = i;
1265
            vp = i;
1265
            vport = &viewports[vp];
1266
            vport = &viewports[vp];
1266
            cursor_show(vport);
1267
            cursor_show(vport);
1267
            retval = EOK;
1268
            retval = EOK;
1268
            break;
1269
            break;
1269
        case FB_VIEWPORT_CREATE:
1270
        case FB_VIEWPORT_CREATE:
1270
            retval = vport_create(IPC_GET_ARG1(call) >> 16,
1271
            retval = vport_create(IPC_GET_ARG1(call) >> 16,
1271
                IPC_GET_ARG1(call) & 0xffff,
1272
                IPC_GET_ARG1(call) & 0xffff,
1272
                IPC_GET_ARG2(call) >> 16,
1273
                IPC_GET_ARG2(call) >> 16,
1273
                IPC_GET_ARG2(call) & 0xffff);
1274
                IPC_GET_ARG2(call) & 0xffff);
1274
            break;
1275
            break;
1275
        case FB_VIEWPORT_DELETE:
1276
        case FB_VIEWPORT_DELETE:
1276
            i = IPC_GET_ARG1(call);
1277
            i = IPC_GET_ARG1(call);
1277
            if (i >= MAX_VIEWPORTS) {
1278
            if (i >= MAX_VIEWPORTS) {
1278
                retval = EINVAL;
1279
                retval = EINVAL;
1279
                break;
1280
                break;
1280
            }
1281
            }
1281
            if (!viewports[i].initialized) {
1282
            if (!viewports[i].initialized) {
1282
                retval = EADDRNOTAVAIL;
1283
                retval = EADDRNOTAVAIL;
1283
                break;
1284
                break;
1284
            }
1285
            }
1285
            viewports[i].initialized = false;
1286
            viewports[i].initialized = false;
1286
            if (viewports[i].glyphs)
1287
            if (viewports[i].glyphs)
1287
                free(viewports[i].glyphs);
1288
                free(viewports[i].glyphs);
1288
            if (viewports[i].bgpixel)
1289
            if (viewports[i].bgpixel)
1289
                free(viewports[i].bgpixel);
1290
                free(viewports[i].bgpixel);
1290
            if (viewports[i].backbuf)
1291
            if (viewports[i].backbuf)
1291
                free(viewports[i].backbuf);
1292
                free(viewports[i].backbuf);
1292
            retval = EOK;
1293
            retval = EOK;
1293
            break;
1294
            break;
1294
        case FB_SET_STYLE:
1295
        case FB_SET_STYLE:
1295
            vport->style.fg_color = IPC_GET_ARG1(call);
1296
            vport->style.fg_color = IPC_GET_ARG1(call);
1296
            vport->style.bg_color = IPC_GET_ARG2(call);
1297
            vport->style.bg_color = IPC_GET_ARG2(call);
1297
            render_glyphs(vport);
1298
            render_glyphs(vport);
1298
            retval = EOK;
1299
            retval = EOK;
1299
            break;
1300
            break;
1300
        case FB_GET_RESOLUTION:
1301
        case FB_GET_RESOLUTION:
1301
            ipc_answer_2(callid, EOK, screen.xres, screen.yres);
1302
            ipc_answer_2(callid, EOK, screen.xres, screen.yres);
1302
            continue;
1303
            continue;
1303
        case FB_POINTER_MOVE:
1304
        case FB_POINTER_MOVE:
1304
            pointer_enabled = true;
1305
            pointer_enabled = true;
1305
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
1306
            mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
1306
            retval = EOK;
1307
            retval = EOK;
1307
            break;
1308
            break;
1308
        default:
1309
        default:
1309
            retval = ENOENT;
1310
            retval = ENOENT;
1310
        }
1311
        }
1311
        ipc_answer_0(callid, retval);
1312
        ipc_answer_0(callid, retval);
1312
    }
1313
    }
1313
}
1314
}
1314
 
1315
 
1315
/** Initialization of framebuffer
1316
/** Initialization of framebuffer
1316
 *
1317
 *
1317
 */
1318
 */
1318
int fb_init(void)
1319
int fb_init(void)
1319
{
1320
{
1320
    async_set_client_connection(fb_client_connection);
1321
    async_set_client_connection(fb_client_connection);
1321
   
1322
   
1322
    void *fb_ph_addr = (void *) sysinfo_value("fb.address.physical");
1323
    void *fb_ph_addr = (void *) sysinfo_value("fb.address.physical");
1323
    unsigned int fb_offset = sysinfo_value("fb.offset");
1324
    unsigned int fb_offset = sysinfo_value("fb.offset");
1324
    unsigned int fb_width = sysinfo_value("fb.width");
1325
    unsigned int fb_width = sysinfo_value("fb.width");
1325
    unsigned int fb_height = sysinfo_value("fb.height");
1326
    unsigned int fb_height = sysinfo_value("fb.height");
1326
    unsigned int fb_scanline = sysinfo_value("fb.scanline");
1327
    unsigned int fb_scanline = sysinfo_value("fb.scanline");
1327
    unsigned int fb_visual = sysinfo_value("fb.visual");
1328
    unsigned int fb_visual = sysinfo_value("fb.visual");
1328
   
1329
   
1329
    unsigned int fbsize = fb_scanline * fb_height;
1330
    unsigned int fbsize = fb_scanline * fb_height;
1330
    void *fb_addr = as_get_mappable_page(fbsize);
1331
    void *fb_addr = as_get_mappable_page(fbsize);
1331
   
1332
   
1332
    physmem_map(fb_ph_addr + fb_offset, fb_addr,
1333
    physmem_map(fb_ph_addr + fb_offset, fb_addr,
1333
        ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE);
1334
        ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE);
1334
   
1335
   
1335
    if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual))
1336
    if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual))
1336
        return 0;
1337
        return 0;
1337
   
1338
   
1338
    return -1;
1339
    return -1;
1339
}
1340
}
1340
 
1341
 
1341
/**
1342
/**
1342
 * @}
1343
 * @}
1343
 */
1344
 */
1344
 
1345