Rev 1558 | Rev 1562 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1363 | vana | 1 | /* |
2 | * Copyright (C) 2006 Jakub Vana |
||
1404 | palkovsky | 3 | * Copyright (C) 2006 Ondrej Palkovsky |
1363 | vana | 4 | * All rights reserved. |
5 | * |
||
6 | * Redistribution and use in source and binary forms, with or without |
||
7 | * modification, are permitted provided that the following conditions |
||
8 | * are met: |
||
9 | * |
||
10 | * - Redistributions of source code must retain the above copyright |
||
11 | * notice, this list of conditions and the following disclaimer. |
||
12 | * - Redistributions in binary form must reproduce the above copyright |
||
13 | * notice, this list of conditions and the following disclaimer in the |
||
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 |
||
16 | * derived from this software without specific prior written permission. |
||
17 | * |
||
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 |
||
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
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 |
||
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 |
||
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
28 | */ |
||
29 | |||
1430 | jermar | 30 | #include <stdlib.h> |
31 | #include <unistd.h> |
||
32 | #include <string.h> |
||
1363 | vana | 33 | #include <ddi.h> |
34 | #include <sysinfo.h> |
||
35 | #include <align.h> |
||
36 | #include <as.h> |
||
37 | #include <ipc/fb.h> |
||
38 | #include <ipc/ipc.h> |
||
1430 | jermar | 39 | #include <ipc/ns.h> |
1363 | vana | 40 | #include <ipc/services.h> |
41 | #include <kernel/errno.h> |
||
1392 | palkovsky | 42 | #include <async.h> |
1505 | palkovsky | 43 | |
1404 | palkovsky | 44 | #include "font-8x16.h" |
45 | #include "helenos.xbm" |
||
1363 | vana | 46 | #include "fb.h" |
1505 | palkovsky | 47 | #include "main.h" |
48 | #include "../console/screenbuffer.h" |
||
1547 | palkovsky | 49 | #include "ppm.h" |
1363 | vana | 50 | |
1485 | palkovsky | 51 | #define DEFAULT_BGCOLOR 0x000080 |
52 | #define DEFAULT_FGCOLOR 0xffff00 |
||
1363 | vana | 53 | |
54 | /***************************************************************/ |
||
55 | /* Pixel specific fuctions */ |
||
56 | |||
1555 | palkovsky | 57 | typedef void (*conv2scr_fn_t)(void *, int); |
58 | typedef int (*conv2rgb_fn_t)(void *); |
||
1363 | vana | 59 | |
1485 | palkovsky | 60 | struct { |
1363 | vana | 61 | __u8 *fbaddress ; |
62 | |||
63 | unsigned int xres ; |
||
64 | unsigned int yres ; |
||
65 | unsigned int scanline ; |
||
66 | unsigned int pixelbytes ; |
||
67 | |||
1555 | palkovsky | 68 | conv2scr_fn_t rgb2scr; |
69 | conv2rgb_fn_t scr2rgb; |
||
1485 | palkovsky | 70 | } screen; |
1363 | vana | 71 | |
1485 | palkovsky | 72 | typedef struct { |
73 | int initialized; |
||
74 | unsigned int x, y; |
||
75 | unsigned int width, height; |
||
1363 | vana | 76 | |
1485 | palkovsky | 77 | /* Text support in window */ |
78 | unsigned int rows, cols; |
||
79 | /* Style for text printing */ |
||
1509 | palkovsky | 80 | style_t style; |
1485 | palkovsky | 81 | /* Auto-cursor position */ |
1486 | palkovsky | 82 | int cursor_active, cur_col, cur_row; |
1500 | palkovsky | 83 | int cursor_shown; |
1485 | palkovsky | 84 | } viewport_t; |
1363 | vana | 85 | |
1552 | palkovsky | 86 | /** Maximum number of saved pixmaps |
87 | * Pixmap is a saved rectangle |
||
88 | */ |
||
89 | #define MAX_PIXMAPS 256 |
||
90 | typedef struct { |
||
91 | unsigned int width; |
||
92 | unsigned int height; |
||
1555 | palkovsky | 93 | __u8 *data; |
1552 | palkovsky | 94 | } pixmap_t; |
95 | static pixmap_t pixmaps[MAX_PIXMAPS]; |
||
96 | |||
97 | /* Viewport is a rectangular area on the screen */ |
||
1485 | palkovsky | 98 | #define MAX_VIEWPORTS 128 |
99 | static viewport_t viewports[128]; |
||
100 | |||
101 | /* Allow only 1 connection */ |
||
102 | static int client_connected = 0; |
||
103 | |||
1363 | vana | 104 | #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
105 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
||
106 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
||
107 | |||
1485 | palkovsky | 108 | #define COL_WIDTH 8 |
109 | #define ROW_BYTES (screen.scanline * FONT_SCANLINES) |
||
1363 | vana | 110 | |
1485 | palkovsky | 111 | #define POINTPOS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes) |
1363 | vana | 112 | |
1555 | palkovsky | 113 | /* Conversion routines between different color representations */ |
114 | static void rgb_4byte(void *dst, int rgb) |
||
1363 | vana | 115 | { |
1555 | palkovsky | 116 | *(int *)dst = rgb; |
1363 | vana | 117 | } |
118 | |||
1555 | palkovsky | 119 | static int byte4_rgb(void *src) |
1363 | vana | 120 | { |
1555 | palkovsky | 121 | return (*(int *)src) & 0xffffff; |
1363 | vana | 122 | } |
123 | |||
1555 | palkovsky | 124 | static void rgb_3byte(void *dst, int rgb) |
1363 | vana | 125 | { |
1555 | palkovsky | 126 | __u8 *scr = dst; |
1363 | vana | 127 | #if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN)) |
1555 | palkovsky | 128 | scr[0] = RED(rgb, 8); |
129 | scr[1] = GREEN(rgb, 8); |
||
130 | scr[2] = BLUE(rgb, 8); |
||
1363 | vana | 131 | #else |
1555 | palkovsky | 132 | scr[2] = RED(rgb, 8); |
133 | scr[1] = GREEN(rgb, 8); |
||
134 | scr[0] = BLUE(rgb, 8); |
||
1363 | vana | 135 | #endif |
136 | |||
1555 | palkovsky | 137 | |
1363 | vana | 138 | } |
139 | |||
1555 | palkovsky | 140 | static int byte3_rgb(void *src) |
1363 | vana | 141 | { |
1555 | palkovsky | 142 | __u8 *scr = src; |
1363 | vana | 143 | #if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN)) |
1555 | palkovsky | 144 | return scr[0] << 16 | scr[1] << 8 | scr[2]; |
1363 | vana | 145 | #else |
1555 | palkovsky | 146 | return scr[2] << 16 | scr[1] << 8 | scr[0]; |
147 | #endif |
||
1363 | vana | 148 | } |
149 | |||
1555 | palkovsky | 150 | /** 16-bit depth (5:6:5) */ |
151 | static void rgb_2byte(void *dst, int rgb) |
||
1363 | vana | 152 | { |
153 | /* 5-bit, 6-bits, 5-bits */ |
||
1555 | palkovsky | 154 | *((__u16 *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5); |
1363 | vana | 155 | } |
156 | |||
1555 | palkovsky | 157 | /** 16-bit depth (5:6:5) */ |
158 | static int byte2_rgb(void *src) |
||
1363 | vana | 159 | { |
1555 | palkovsky | 160 | int color = *(__u16 *)(src); |
1363 | vana | 161 | return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
162 | } |
||
163 | |||
164 | /** Put pixel - 8-bit depth (3:2:3) */ |
||
1555 | palkovsky | 165 | static void rgb_1byte(void *dst, int rgb) |
1363 | vana | 166 | { |
1555 | palkovsky | 167 | *(__u8 *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3); |
1363 | vana | 168 | } |
169 | |||
170 | /** Return pixel color - 8-bit depth (3:2:3) */ |
||
1555 | palkovsky | 171 | static int byte1_rgb(void *src) |
1363 | vana | 172 | { |
1555 | palkovsky | 173 | int color = *(__u8 *)src; |
1363 | vana | 174 | return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
175 | } |
||
176 | |||
1498 | palkovsky | 177 | /** Put pixel into viewport |
178 | * |
||
179 | * @param vp Viewport identification |
||
180 | * @param x X coord relative to viewport |
||
181 | * @param y Y coord relative to viewport |
||
182 | * @param color RGB color |
||
183 | */ |
||
1485 | palkovsky | 184 | static void putpixel(int vp, unsigned int x, unsigned int y, int color) |
185 | { |
||
1555 | palkovsky | 186 | int dx = viewports[vp].x + x; |
187 | int dy = viewports[vp].y + y; |
||
188 | (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)],color); |
||
1485 | palkovsky | 189 | } |
1498 | palkovsky | 190 | /** Get pixel from viewport */ |
1485 | palkovsky | 191 | static int getpixel(int vp, unsigned int x, unsigned int y) |
192 | { |
||
1555 | palkovsky | 193 | int dx = viewports[vp].x + x; |
194 | int dy = viewports[vp].y + y; |
||
195 | |||
196 | return (*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx,dy)]); |
||
1485 | palkovsky | 197 | } |
198 | |||
1363 | vana | 199 | /** Fill line with color BGCOLOR */ |
1485 | palkovsky | 200 | static void clear_line(int vp, unsigned int y) |
1363 | vana | 201 | { |
202 | unsigned int x; |
||
1485 | palkovsky | 203 | for (x = 0; x < viewports[vp].width; x++) |
1509 | palkovsky | 204 | putpixel(vp, x, y, viewports[vp].style.bg_color); |
1363 | vana | 205 | } |
206 | |||
1559 | palkovsky | 207 | static void draw_rectangle(int vp, unsigned int sx, unsigned int sy, |
208 | unsigned int width, unsigned int height, |
||
209 | int color) |
||
210 | { |
||
211 | unsigned int x, y; |
||
212 | |||
213 | /* Clear first line */ |
||
214 | for (x = 0; x < width; x++) |
||
215 | putpixel(vp, sx + x, sy, color); |
||
216 | |||
217 | /* Recompute to screen coords */ |
||
218 | sx += viewports[vp].x; |
||
219 | sy += viewports[vp].y; |
||
220 | /* Copy the rest */ |
||
221 | for (y = sy+1;y < sy+height; y++) |
||
222 | memcpy(&screen.fbaddress[POINTPOS(sx,y)], |
||
223 | &screen.fbaddress[POINTPOS(sx,sy)], |
||
224 | screen.pixelbytes * width); |
||
225 | |||
226 | } |
||
227 | |||
1485 | palkovsky | 228 | /** Fill viewport with background color */ |
229 | static void clear_port(int vp) |
||
1363 | vana | 230 | { |
1559 | palkovsky | 231 | viewport_t *vport = &viewports[vp]; |
1485 | palkovsky | 232 | |
1559 | palkovsky | 233 | draw_rectangle(vp, 0, 0, vport->width, vport->height, vport->style.bg_color); |
1363 | vana | 234 | } |
235 | |||
1485 | palkovsky | 236 | /** Scroll port up/down |
237 | * |
||
238 | * @param vp Viewport to scroll |
||
239 | * @param rows Positive number - scroll up, negative - scroll down |
||
240 | */ |
||
241 | static void scroll_port(int vp, int rows) |
||
1363 | vana | 242 | { |
1485 | palkovsky | 243 | int y; |
244 | int startline; |
||
245 | int endline; |
||
1559 | palkovsky | 246 | viewport_t *vport = &viewports[vp]; |
1485 | palkovsky | 247 | |
248 | if (rows > 0) { |
||
1559 | palkovsky | 249 | for (y=vport->y; y < vport->y+vport->height - rows*FONT_SCANLINES; y++) |
250 | memcpy(&screen.fbaddress[POINTPOS(vport->x,y)], |
||
251 | &screen.fbaddress[POINTPOS(vport->x,y + rows*FONT_SCANLINES)], |
||
252 | screen.pixelbytes * vport->width); |
||
253 | draw_rectangle(vp, 0, FONT_SCANLINES*(vport->rows - 1), |
||
254 | vport->width, FONT_SCANLINES, vport->style.bg_color); |
||
1485 | palkovsky | 255 | } else if (rows < 0) { |
256 | rows = -rows; |
||
1559 | palkovsky | 257 | for (y=vport->y + vport->height-1; y >= vport->y + rows*FONT_SCANLINES; y--) |
258 | memcpy(&screen.fbaddress[POINTPOS(vport->x,y)], |
||
259 | &screen.fbaddress[POINTPOS(vport->x,y - rows*FONT_SCANLINES)], |
||
260 | screen.pixelbytes * vport->width); |
||
261 | draw_rectangle(vp, 0, 0, vport->width, FONT_SCANLINES, vport->style.bg_color); |
||
1485 | palkovsky | 262 | } |
1363 | vana | 263 | } |
264 | |||
1485 | palkovsky | 265 | static void invert_pixel(int vp,unsigned int x, unsigned int y) |
1363 | vana | 266 | { |
1485 | palkovsky | 267 | putpixel(vp, x, y, ~getpixel(vp, x, y)); |
1363 | vana | 268 | } |
269 | |||
270 | |||
271 | /***************************************************************/ |
||
272 | /* Character-console functions */ |
||
273 | |||
1558 | palkovsky | 274 | /** Draw character at given position |
275 | * |
||
276 | * @param vp Viewport where the character is printed |
||
277 | * @param sx Coordinates of top-left of the character |
||
278 | * @param sy Coordinates of top-left of the character |
||
279 | * @param style Color of the character |
||
280 | * @param transparent If false, print background color |
||
281 | */ |
||
282 | static void draw_glyph(int vp,__u8 glyph, unsigned int sx, unsigned int sy, |
||
283 | style_t style, int transparent) |
||
1363 | vana | 284 | { |
1509 | palkovsky | 285 | int i; |
1363 | vana | 286 | unsigned int y; |
1509 | palkovsky | 287 | unsigned int glline; |
1363 | vana | 288 | |
1509 | palkovsky | 289 | for (y = 0; y < FONT_SCANLINES; y++) { |
290 | glline = fb_font[glyph * FONT_SCANLINES + y]; |
||
291 | for (i = 0; i < 8; i++) { |
||
292 | if (glline & (1 << (7 - i))) |
||
293 | putpixel(vp, sx + i, sy + y, style.fg_color); |
||
1558 | palkovsky | 294 | else if (!transparent) |
1509 | palkovsky | 295 | putpixel(vp, sx + i, sy + y, style.bg_color); |
296 | } |
||
297 | } |
||
1363 | vana | 298 | } |
299 | |||
300 | /** Invert character at given position */ |
||
1489 | palkovsky | 301 | static void invert_char(int vp,unsigned int row, unsigned int col) |
1363 | vana | 302 | { |
303 | unsigned int x; |
||
304 | unsigned int y; |
||
305 | |||
306 | for (x = 0; x < COL_WIDTH; x++) |
||
307 | for (y = 0; y < FONT_SCANLINES; y++) |
||
1485 | palkovsky | 308 | invert_pixel(vp, col * COL_WIDTH + x, row * FONT_SCANLINES + y); |
1363 | vana | 309 | } |
310 | |||
311 | /***************************************************************/ |
||
312 | /* Stdout specific functions */ |
||
313 | |||
314 | |||
1485 | palkovsky | 315 | /** Create new viewport |
1363 | vana | 316 | * |
1485 | palkovsky | 317 | * @return New viewport number |
1363 | vana | 318 | */ |
1485 | palkovsky | 319 | static int viewport_create(unsigned int x, unsigned int y,unsigned int width, |
320 | unsigned int height) |
||
1363 | vana | 321 | { |
1485 | palkovsky | 322 | int i; |
323 | |||
1498 | palkovsky | 324 | for (i=0; i < MAX_VIEWPORTS; i++) { |
1485 | palkovsky | 325 | if (!viewports[i].initialized) |
1363 | vana | 326 | break; |
327 | } |
||
1485 | palkovsky | 328 | if (i == MAX_VIEWPORTS) |
329 | return ELIMIT; |
||
330 | |||
1486 | palkovsky | 331 | if (width ==0 || height == 0 || |
332 | x+width > screen.xres || y+height > screen.yres) |
||
333 | return EINVAL; |
||
334 | if (width < FONT_SCANLINES || height < COL_WIDTH) |
||
335 | return EINVAL; |
||
336 | |||
1485 | palkovsky | 337 | viewports[i].x = x; |
338 | viewports[i].y = y; |
||
339 | viewports[i].width = width; |
||
340 | viewports[i].height = height; |
||
1363 | vana | 341 | |
1485 | palkovsky | 342 | viewports[i].rows = height / FONT_SCANLINES; |
343 | viewports[i].cols = width / COL_WIDTH; |
||
344 | |||
1509 | palkovsky | 345 | viewports[i].style.bg_color = DEFAULT_BGCOLOR; |
346 | viewports[i].style.fg_color = DEFAULT_FGCOLOR; |
||
1363 | vana | 347 | |
1489 | palkovsky | 348 | viewports[i].cur_col = 0; |
349 | viewports[i].cur_row = 0; |
||
350 | viewports[i].cursor_active = 0; |
||
351 | |||
1486 | palkovsky | 352 | viewports[i].initialized = 1; |
353 | |||
1485 | palkovsky | 354 | return i; |
1363 | vana | 355 | } |
356 | |||
357 | |||
358 | /** Initialize framebuffer as a chardev output device |
||
359 | * |
||
360 | * @param addr Address of theframebuffer |
||
361 | * @param x Screen width in pixels |
||
362 | * @param y Screen height in pixels |
||
363 | * @param bpp Bits per pixel (8, 16, 24, 32) |
||
364 | * @param scan Bytes per one scanline |
||
365 | * |
||
366 | */ |
||
1501 | palkovsky | 367 | static void screen_init(void *addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan) |
1363 | vana | 368 | { |
369 | switch (bpp) { |
||
370 | case 8: |
||
1555 | palkovsky | 371 | screen.rgb2scr = rgb_1byte; |
372 | screen.scr2rgb = byte1_rgb; |
||
1485 | palkovsky | 373 | screen.pixelbytes = 1; |
1363 | vana | 374 | break; |
375 | case 16: |
||
1555 | palkovsky | 376 | screen.rgb2scr = rgb_2byte; |
377 | screen.scr2rgb = byte2_rgb; |
||
1485 | palkovsky | 378 | screen.pixelbytes = 2; |
1363 | vana | 379 | break; |
380 | case 24: |
||
1555 | palkovsky | 381 | screen.rgb2scr = rgb_3byte; |
382 | screen.scr2rgb = byte3_rgb; |
||
1485 | palkovsky | 383 | screen.pixelbytes = 3; |
1363 | vana | 384 | break; |
385 | case 32: |
||
1555 | palkovsky | 386 | screen.rgb2scr = rgb_4byte; |
387 | screen.scr2rgb = byte4_rgb; |
||
1485 | palkovsky | 388 | screen.pixelbytes = 4; |
1363 | vana | 389 | break; |
390 | } |
||
391 | |||
392 | |||
1485 | palkovsky | 393 | screen.fbaddress = (unsigned char *) addr; |
394 | screen.xres = xres; |
||
395 | screen.yres = yres; |
||
396 | screen.scanline = scan; |
||
1363 | vana | 397 | |
1485 | palkovsky | 398 | /* Create first viewport */ |
399 | viewport_create(0,0,xres,yres); |
||
400 | } |
||
1363 | vana | 401 | |
1552 | palkovsky | 402 | /** Hide cursor if it is shown */ |
1500 | palkovsky | 403 | static void cursor_hide(int vp) |
404 | { |
||
405 | viewport_t *vport = &viewports[vp]; |
||
406 | |||
407 | if (vport->cursor_active && vport->cursor_shown) { |
||
408 | invert_char(vp, vport->cur_row, vport->cur_col); |
||
409 | vport->cursor_shown = 0; |
||
410 | } |
||
411 | } |
||
412 | |||
1552 | palkovsky | 413 | /** Show cursor if cursor showing is enabled */ |
1500 | palkovsky | 414 | static void cursor_print(int vp) |
415 | { |
||
416 | viewport_t *vport = &viewports[vp]; |
||
417 | |||
418 | /* Do not check for cursor_shown */ |
||
419 | if (vport->cursor_active) { |
||
420 | invert_char(vp, vport->cur_row, vport->cur_col); |
||
421 | vport->cursor_shown = 1; |
||
422 | } |
||
423 | } |
||
424 | |||
1552 | palkovsky | 425 | /** Invert cursor, if it is enabled */ |
1500 | palkovsky | 426 | static void cursor_blink(int vp) |
427 | { |
||
428 | viewport_t *vport = &viewports[vp]; |
||
429 | |||
430 | if (vport->cursor_shown) |
||
431 | cursor_hide(vp); |
||
432 | else |
||
433 | cursor_print(vp); |
||
434 | } |
||
435 | |||
1498 | palkovsky | 436 | /** Draw character at given position relative to viewport |
437 | * |
||
438 | * @param vp Viewport identification |
||
439 | * @param c Character to print |
||
440 | * @param row Screen position relative to viewport |
||
441 | * @param col Screen position relative to viewport |
||
1558 | palkovsky | 442 | * @param transparent If false, print background color with character |
1498 | palkovsky | 443 | */ |
1558 | palkovsky | 444 | static void draw_char(int vp, char c, unsigned int row, unsigned int col, style_t style, int transparent) |
1486 | palkovsky | 445 | { |
446 | viewport_t *vport = &viewports[vp]; |
||
447 | |||
1500 | palkovsky | 448 | /* Optimize - do not hide cursor if we are going to overwrite it */ |
449 | if (vport->cursor_active && vport->cursor_shown && |
||
450 | (vport->cur_col != col || vport->cur_row != row)) |
||
1489 | palkovsky | 451 | invert_char(vp, vport->cur_row, vport->cur_col); |
1486 | palkovsky | 452 | |
1558 | palkovsky | 453 | draw_glyph(vp, c, col * COL_WIDTH, row * FONT_SCANLINES, style, transparent); |
1489 | palkovsky | 454 | |
455 | vport->cur_col = col; |
||
456 | vport->cur_row = row; |
||
457 | |||
458 | vport->cur_col++; |
||
459 | if (vport->cur_col>= vport->cols) { |
||
460 | vport->cur_col = 0; |
||
461 | vport->cur_row++; |
||
462 | if (vport->cur_row >= vport->rows) |
||
463 | vport->cur_row--; |
||
1486 | palkovsky | 464 | } |
1500 | palkovsky | 465 | cursor_print(vp); |
1486 | palkovsky | 466 | } |
467 | |||
1552 | palkovsky | 468 | /** Draw text data to viewport |
469 | * |
||
470 | * @param vp Viewport id |
||
471 | * @param data Text data fitting exactly into viewport |
||
472 | */ |
||
1505 | palkovsky | 473 | static void draw_text_data(int vp, keyfield_t *data) |
474 | { |
||
475 | viewport_t *vport = &viewports[vp]; |
||
476 | int i; |
||
477 | char c; |
||
1515 | palkovsky | 478 | int col,row; |
1505 | palkovsky | 479 | |
480 | clear_port(vp); |
||
481 | for (i=0; i < vport->cols * vport->rows; i++) { |
||
1509 | palkovsky | 482 | if (data[i].character == ' ' && style_same(data[i].style,vport->style)) |
1505 | palkovsky | 483 | continue; |
1515 | palkovsky | 484 | col = i % vport->cols; |
485 | row = i / vport->cols; |
||
1558 | palkovsky | 486 | draw_glyph(vp, data[i].character, col * COL_WIDTH, row * FONT_SCANLINES, |
487 | data[i].style, style_same(data[i].style,vport->style)); |
||
1505 | palkovsky | 488 | } |
489 | cursor_print(vp); |
||
490 | } |
||
491 | |||
1555 | palkovsky | 492 | |
493 | /** Return first free pixmap */ |
||
494 | static int find_free_pixmap(void) |
||
495 | { |
||
496 | int i; |
||
497 | |||
498 | for (i=0;i < MAX_PIXMAPS;i++) |
||
499 | if (!pixmaps[i].data) |
||
500 | return i; |
||
501 | return -1; |
||
502 | } |
||
503 | |||
504 | static void putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color) |
||
505 | { |
||
506 | pixmap_t *pmap = &pixmaps[pm]; |
||
507 | int pos = (y * pmap->width + x) * screen.pixelbytes; |
||
508 | |||
509 | (*screen.rgb2scr)(&pmap->data[pos],color); |
||
510 | } |
||
511 | |||
512 | /** Create a new pixmap and return appropriate ID */ |
||
513 | static int shm2pixmap(char *shm, size_t size) |
||
514 | { |
||
515 | int pm; |
||
516 | pixmap_t *pmap; |
||
517 | |||
518 | pm = find_free_pixmap(); |
||
519 | if (pm == -1) |
||
520 | return ELIMIT; |
||
521 | pmap = &pixmaps[pm]; |
||
522 | |||
523 | if (ppm_get_data(shm, size, &pmap->width, &pmap->height)) |
||
524 | return EINVAL; |
||
525 | |||
526 | pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes); |
||
527 | if (!pmap->data) |
||
528 | return ENOMEM; |
||
529 | |||
530 | ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, |
||
531 | putpixel_pixmap, pm); |
||
532 | |||
533 | return pm; |
||
534 | } |
||
535 | |||
1552 | palkovsky | 536 | /** Handle shared memory communication calls |
537 | * |
||
538 | * Protocol for drawing pixmaps: |
||
539 | * - FB_PREPARE_SHM(client shm identification) |
||
540 | * - IPC_M_SEND_AS_AREA |
||
541 | * - FB_DRAW_PPM(startx,starty) |
||
542 | * - FB_DROP_SHM |
||
543 | * |
||
544 | * Protocol for text drawing |
||
545 | * - IPC_M_SEND_AS_AREA |
||
546 | * - FB_DRAW_TEXT_DATA |
||
547 | * |
||
548 | * @param callid Callid of the current call |
||
549 | * @param call Current call data |
||
550 | * @param vp Active viewport |
||
551 | * @return 0 if the call was not handled byt this function, 1 otherwise |
||
552 | * |
||
553 | * note: this function is not threads safe, you would have |
||
554 | * to redefine static variables with __thread |
||
555 | */ |
||
1547 | palkovsky | 556 | static int shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
557 | { |
||
558 | static keyfield_t *interbuffer = NULL; |
||
559 | static size_t intersize = 0; |
||
1505 | palkovsky | 560 | |
1555 | palkovsky | 561 | static char *shm = NULL; |
562 | static ipcarg_t shm_id = 0; |
||
563 | static size_t shm_size; |
||
1547 | palkovsky | 564 | |
565 | int handled = 1; |
||
566 | int retval = 0; |
||
567 | viewport_t *vport = &viewports[vp]; |
||
568 | unsigned int x,y; |
||
569 | |||
570 | switch (IPC_GET_METHOD(*call)) { |
||
571 | case IPC_M_AS_AREA_SEND: |
||
572 | /* We accept one area for data interchange */ |
||
1555 | palkovsky | 573 | if (IPC_GET_ARG1(*call) == shm_id) { |
1547 | palkovsky | 574 | void *dest = as_get_mappable_page(IPC_GET_ARG2(*call)); |
1555 | palkovsky | 575 | shm_size = IPC_GET_ARG2(*call); |
1547 | palkovsky | 576 | if (!ipc_answer_fast(callid, 0, (sysarg_t)dest, 0)) |
1555 | palkovsky | 577 | shm = dest; |
1547 | palkovsky | 578 | else |
1555 | palkovsky | 579 | shm_id = 0; |
580 | if (shm[0] != 'P') |
||
1547 | palkovsky | 581 | while (1) |
582 | ; |
||
583 | return 1; |
||
584 | } else { |
||
585 | intersize = IPC_GET_ARG2(*call); |
||
586 | receive_comm_area(callid,call,(void **)&interbuffer); |
||
587 | } |
||
588 | return 1; |
||
589 | case FB_PREPARE_SHM: |
||
1555 | palkovsky | 590 | if (shm_id) |
1547 | palkovsky | 591 | retval = EBUSY; |
592 | else |
||
1555 | palkovsky | 593 | shm_id = IPC_GET_ARG1(*call); |
1547 | palkovsky | 594 | break; |
595 | |||
596 | case FB_DROP_SHM: |
||
1555 | palkovsky | 597 | if (shm) { |
598 | as_area_destroy(shm); |
||
599 | shm = NULL; |
||
1547 | palkovsky | 600 | } |
1555 | palkovsky | 601 | shm_id = 0; |
1547 | palkovsky | 602 | break; |
1555 | palkovsky | 603 | |
604 | case FB_SHM2PIXMAP: |
||
605 | if (!shm) { |
||
606 | retval = EINVAL; |
||
607 | break; |
||
608 | } |
||
609 | retval = shm2pixmap(shm, shm_size); |
||
610 | break; |
||
1547 | palkovsky | 611 | case FB_DRAW_PPM: |
1555 | palkovsky | 612 | if (!shm) { |
1547 | palkovsky | 613 | retval = EINVAL; |
614 | break; |
||
615 | } |
||
616 | x = IPC_GET_ARG1(*call); |
||
617 | y = IPC_GET_ARG2(*call); |
||
618 | if (x > vport->width || y > vport->height) { |
||
619 | retval = EINVAL; |
||
620 | break; |
||
621 | } |
||
622 | |||
1555 | palkovsky | 623 | ppm_draw(shm, shm_size, IPC_GET_ARG1(*call), IPC_GET_ARG2(*call), |
1547 | palkovsky | 624 | vport->width - x, vport->height - y, putpixel, vp); |
625 | break; |
||
626 | case FB_DRAW_TEXT_DATA: |
||
627 | if (!interbuffer) { |
||
628 | retval = EINVAL; |
||
629 | break; |
||
630 | } |
||
631 | if (intersize < vport->cols*vport->rows*sizeof(*interbuffer)) { |
||
632 | retval = EINVAL; |
||
633 | break; |
||
634 | } |
||
635 | draw_text_data(vp, interbuffer); |
||
636 | break; |
||
637 | default: |
||
638 | handled = 0; |
||
639 | } |
||
640 | |||
641 | if (handled) |
||
642 | ipc_answer_fast(callid, retval, 0, 0); |
||
643 | return handled; |
||
644 | } |
||
645 | |||
1552 | palkovsky | 646 | /** Save viewport to pixmap */ |
647 | static int save_vp_to_pixmap(int vp) |
||
648 | { |
||
649 | int pm; |
||
650 | pixmap_t *pmap; |
||
651 | viewport_t *vport = &viewports[vp]; |
||
652 | int x,y; |
||
653 | int rowsize; |
||
654 | int tmp; |
||
655 | |||
656 | pm = find_free_pixmap(); |
||
657 | if (pm == -1) |
||
658 | return ELIMIT; |
||
659 | |||
660 | pmap = &pixmaps[pm]; |
||
661 | pmap->data = malloc(screen.pixelbytes * vport->width * vport->height); |
||
662 | if (!pmap->data) |
||
663 | return ENOMEM; |
||
664 | |||
665 | pmap->width = vport->width; |
||
666 | pmap->height = vport->height; |
||
667 | |||
668 | rowsize = vport->width * screen.pixelbytes; |
||
669 | for (y=0;y < vport->height; y++) { |
||
670 | tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes; |
||
671 | memcpy(pmap->data + rowsize*y, screen.fbaddress + tmp, rowsize); |
||
672 | } |
||
673 | return pm; |
||
674 | } |
||
675 | |||
676 | /** Draw pixmap on screen |
||
677 | * |
||
678 | * @param vp Viewport to draw on |
||
679 | * @param pm Pixmap identifier |
||
680 | */ |
||
681 | static int draw_pixmap(int vp, int pm) |
||
682 | { |
||
683 | pixmap_t *pmap = &pixmaps[pm]; |
||
684 | viewport_t *vport = &viewports[vp]; |
||
685 | int x,y; |
||
686 | int tmp, srcrowsize; |
||
687 | int realwidth, realheight, realrowsize; |
||
688 | |||
689 | if (!pmap->data) |
||
690 | return EINVAL; |
||
691 | |||
692 | realwidth = pmap->width <= vport->width ? pmap->width : vport->width; |
||
693 | realheight = pmap->height <= vport->height ? pmap->height : vport->height; |
||
694 | |||
695 | srcrowsize = vport->width * screen.pixelbytes; |
||
696 | realrowsize = realwidth * screen.pixelbytes; |
||
697 | |||
698 | for (y=0; y < realheight; y++) { |
||
699 | tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes; |
||
700 | memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize, realrowsize); |
||
701 | } |
||
702 | } |
||
703 | |||
704 | /** Handler for messages concerning pixmap handling */ |
||
705 | static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
||
706 | { |
||
707 | int handled = 1; |
||
708 | int retval = 0; |
||
709 | int i,nvp; |
||
710 | |||
711 | switch (IPC_GET_METHOD(*call)) { |
||
712 | case FB_VP_DRAW_PIXMAP: |
||
713 | nvp = IPC_GET_ARG1(*call); |
||
714 | if (nvp == -1) |
||
715 | nvp = vp; |
||
716 | if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized) { |
||
717 | retval = EINVAL; |
||
718 | break; |
||
719 | } |
||
720 | i = IPC_GET_ARG2(*call); |
||
721 | retval = draw_pixmap(nvp, i); |
||
722 | break; |
||
723 | case FB_VP2PIXMAP: |
||
724 | nvp = IPC_GET_ARG1(*call); |
||
725 | if (nvp == -1) |
||
726 | nvp = vp; |
||
727 | if (nvp < 0 || nvp >= MAX_VIEWPORTS || !viewports[nvp].initialized) |
||
728 | retval = EINVAL; |
||
729 | else |
||
730 | retval = save_vp_to_pixmap(nvp); |
||
731 | break; |
||
732 | case FB_DROP_PIXMAP: |
||
733 | i = IPC_GET_ARG1(*call); |
||
734 | if (i >= MAX_PIXMAPS) { |
||
735 | retval = EINVAL; |
||
736 | break; |
||
737 | } |
||
738 | if (pixmaps[i].data) { |
||
739 | free(pixmaps[i].data); |
||
740 | pixmaps[i].data = NULL; |
||
741 | } |
||
742 | break; |
||
743 | default: |
||
744 | handled = 0; |
||
745 | } |
||
746 | |||
747 | if (handled) |
||
748 | ipc_answer_fast(callid, retval, 0, 0); |
||
749 | return handled; |
||
750 | |||
751 | } |
||
752 | |||
1498 | palkovsky | 753 | /** Function for handling connections to FB |
754 | * |
||
755 | */ |
||
1490 | palkovsky | 756 | static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
1363 | vana | 757 | { |
1485 | palkovsky | 758 | ipc_callid_t callid; |
759 | ipc_call_t call; |
||
760 | int retval; |
||
761 | int i; |
||
762 | unsigned int row,col; |
||
763 | char c; |
||
1486 | palkovsky | 764 | |
1485 | palkovsky | 765 | int vp = 0; |
1486 | palkovsky | 766 | viewport_t *vport = &viewports[0]; |
1363 | vana | 767 | |
1485 | palkovsky | 768 | if (client_connected) { |
769 | ipc_answer_fast(iid, ELIMIT, 0,0); |
||
770 | return; |
||
771 | } |
||
1486 | palkovsky | 772 | client_connected = 1; |
1485 | palkovsky | 773 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
1363 | vana | 774 | |
1485 | palkovsky | 775 | while (1) { |
1500 | palkovsky | 776 | callid = async_get_call_timeout(&call,250000); |
777 | if (!callid) { |
||
778 | cursor_blink(vp); |
||
779 | continue; |
||
780 | } |
||
1547 | palkovsky | 781 | if (shm_handle(callid, &call, vp)) |
782 | continue; |
||
1552 | palkovsky | 783 | if (pixmap_handle(callid, &call, vp)) |
784 | continue; |
||
1547 | palkovsky | 785 | |
1485 | palkovsky | 786 | switch (IPC_GET_METHOD(call)) { |
787 | case IPC_M_PHONE_HUNGUP: |
||
788 | client_connected = 0; |
||
789 | /* cleanup other viewports */ |
||
790 | for (i=1; i < MAX_VIEWPORTS; i++) |
||
1486 | palkovsky | 791 | vport->initialized = 0; |
1485 | palkovsky | 792 | ipc_answer_fast(callid,0,0,0); |
793 | return; /* Exit thread */ |
||
1505 | palkovsky | 794 | |
1485 | palkovsky | 795 | case FB_PUTCHAR: |
1558 | palkovsky | 796 | case FB_TRANS_PUTCHAR: |
1485 | palkovsky | 797 | c = IPC_GET_ARG1(call); |
798 | row = IPC_GET_ARG2(call); |
||
799 | col = IPC_GET_ARG3(call); |
||
1486 | palkovsky | 800 | if (row >= vport->rows || col >= vport->cols) { |
1485 | palkovsky | 801 | retval = EINVAL; |
802 | break; |
||
803 | } |
||
804 | ipc_answer_fast(callid,0,0,0); |
||
1486 | palkovsky | 805 | |
1558 | palkovsky | 806 | draw_char(vp, c, row, col, vport->style, IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR); |
1485 | palkovsky | 807 | continue; /* msg already answered */ |
808 | case FB_CLEAR: |
||
809 | clear_port(vp); |
||
1500 | palkovsky | 810 | cursor_print(vp); |
1485 | palkovsky | 811 | retval = 0; |
812 | break; |
||
1486 | palkovsky | 813 | case FB_CURSOR_GOTO: |
814 | row = IPC_GET_ARG1(call); |
||
815 | col = IPC_GET_ARG2(call); |
||
816 | if (row >= vport->rows || col >= vport->cols) { |
||
817 | retval = EINVAL; |
||
818 | break; |
||
819 | } |
||
820 | retval = 0; |
||
1500 | palkovsky | 821 | cursor_hide(vp); |
1486 | palkovsky | 822 | vport->cur_col = col; |
823 | vport->cur_row = row; |
||
1500 | palkovsky | 824 | cursor_print(vp); |
1486 | palkovsky | 825 | break; |
826 | case FB_CURSOR_VISIBILITY: |
||
1500 | palkovsky | 827 | cursor_hide(vp); |
828 | vport->cursor_active = IPC_GET_ARG1(call); |
||
829 | cursor_print(vp); |
||
1486 | palkovsky | 830 | retval = 0; |
831 | break; |
||
1485 | palkovsky | 832 | case FB_GET_CSIZE: |
1486 | palkovsky | 833 | ipc_answer_fast(callid, 0, vport->rows, vport->cols); |
1485 | palkovsky | 834 | continue; |
1486 | palkovsky | 835 | case FB_SCROLL: |
836 | i = IPC_GET_ARG1(call); |
||
837 | if (i > vport->rows || i < (- (int)vport->rows)) { |
||
838 | retval = EINVAL; |
||
839 | break; |
||
840 | } |
||
1500 | palkovsky | 841 | cursor_hide(vp); |
1486 | palkovsky | 842 | scroll_port(vp, i); |
1500 | palkovsky | 843 | cursor_print(vp); |
1486 | palkovsky | 844 | retval = 0; |
845 | break; |
||
846 | case FB_VIEWPORT_SWITCH: |
||
847 | i = IPC_GET_ARG1(call); |
||
848 | if (i < 0 || i >= MAX_VIEWPORTS) { |
||
849 | retval = EINVAL; |
||
850 | break; |
||
851 | } |
||
852 | if (! viewports[i].initialized ) { |
||
853 | retval = EADDRNOTAVAIL; |
||
854 | break; |
||
855 | } |
||
1500 | palkovsky | 856 | cursor_hide(vp); |
1486 | palkovsky | 857 | vp = i; |
858 | vport = &viewports[vp]; |
||
1500 | palkovsky | 859 | cursor_print(vp); |
1486 | palkovsky | 860 | retval = 0; |
861 | break; |
||
862 | case FB_VIEWPORT_CREATE: |
||
863 | retval = viewport_create(IPC_GET_ARG1(call) >> 16, |
||
864 | IPC_GET_ARG1(call) & 0xffff, |
||
865 | IPC_GET_ARG2(call) >> 16, |
||
866 | IPC_GET_ARG2(call) & 0xffff); |
||
867 | break; |
||
868 | case FB_VIEWPORT_DELETE: |
||
869 | i = IPC_GET_ARG1(call); |
||
870 | if (i < 0 || i >= MAX_VIEWPORTS) { |
||
871 | retval = EINVAL; |
||
872 | break; |
||
873 | } |
||
874 | if (! viewports[i].initialized ) { |
||
875 | retval = EADDRNOTAVAIL; |
||
876 | break; |
||
877 | } |
||
878 | viewports[i].initialized = 0; |
||
879 | retval = 0; |
||
880 | break; |
||
881 | case FB_SET_STYLE: |
||
1509 | palkovsky | 882 | vport->style.fg_color = IPC_GET_ARG1(call); |
883 | vport->style.bg_color = IPC_GET_ARG2(call); |
||
1486 | palkovsky | 884 | retval = 0; |
885 | break; |
||
886 | case FB_GET_RESOLUTION: |
||
887 | ipc_answer_fast(callid, 0, screen.xres,screen.yres); |
||
888 | continue; |
||
1485 | palkovsky | 889 | default: |
890 | retval = ENOENT; |
||
891 | } |
||
892 | ipc_answer_fast(callid,retval,0,0); |
||
1363 | vana | 893 | } |
1485 | palkovsky | 894 | } |
1363 | vana | 895 | |
1498 | palkovsky | 896 | /** Initialization of framebuffer */ |
1490 | palkovsky | 897 | int fb_init(void) |
1485 | palkovsky | 898 | { |
1501 | palkovsky | 899 | void *fb_ph_addr; |
1490 | palkovsky | 900 | unsigned int fb_width; |
901 | unsigned int fb_height; |
||
902 | unsigned int fb_bpp; |
||
903 | unsigned int fb_scanline; |
||
1501 | palkovsky | 904 | void *fb_addr; |
905 | size_t asz; |
||
1363 | vana | 906 | |
1490 | palkovsky | 907 | async_set_client_connection(fb_client_connection); |
1363 | vana | 908 | |
1501 | palkovsky | 909 | fb_ph_addr=(void *)sysinfo_value("fb.address.physical"); |
1490 | palkovsky | 910 | fb_width=sysinfo_value("fb.width"); |
911 | fb_height=sysinfo_value("fb.height"); |
||
912 | fb_bpp=sysinfo_value("fb.bpp"); |
||
913 | fb_scanline=sysinfo_value("fb.scanline"); |
||
914 | |||
1501 | palkovsky | 915 | asz = fb_scanline*fb_height; |
916 | fb_addr = as_get_mappable_page(asz); |
||
1485 | palkovsky | 917 | |
1501 | palkovsky | 918 | map_physmem(fb_ph_addr, fb_addr, ALIGN_UP(asz,PAGE_SIZE) >>PAGE_WIDTH, |
1490 | palkovsky | 919 | AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE); |
920 | |||
921 | screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline); |
||
1363 | vana | 922 | |
1485 | palkovsky | 923 | return 0; |
1363 | vana | 924 | } |
1490 | palkovsky | 925 |