Rev 4594 | Rev 4647 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1363 | vana | 1 | /* |
3707 | decky | 2 | * Copyright (c) 2008 Martin Decky |
2071 | jermar | 3 | * Copyright (c) 2006 Jakub Vana |
4 | * Copyright (c) 2006 Ondrej Palkovsky |
||
1363 | vana | 5 | * All rights reserved. |
6 | * |
||
7 | * Redistribution and use in source and binary forms, with or without |
||
8 | * modification, are permitted provided that the following conditions |
||
9 | * are met: |
||
10 | * |
||
11 | * - Redistributions of source code must retain the above copyright |
||
12 | * notice, this list of conditions and the following disclaimer. |
||
13 | * - Redistributions in binary form must reproduce the above copyright |
||
14 | * notice, this list of conditions and the following disclaimer in the |
||
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 |
||
17 | * derived from this software without specific prior written permission. |
||
18 | * |
||
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 |
||
21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
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 |
||
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 |
||
28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
29 | */ |
||
30 | |||
1740 | jermar | 31 | /** |
32 | * @defgroup fb Graphical framebuffer |
||
4316 | decky | 33 | * @brief HelenOS graphical framebuffer. |
1649 | cejka | 34 | * @ingroup fbs |
35 | * @{ |
||
3707 | decky | 36 | */ |
1888 | jermar | 37 | |
1649 | cejka | 38 | /** @file |
39 | */ |
||
40 | |||
1430 | jermar | 41 | #include <stdlib.h> |
42 | #include <unistd.h> |
||
43 | #include <string.h> |
||
1363 | vana | 44 | #include <ddi.h> |
45 | #include <sysinfo.h> |
||
46 | #include <align.h> |
||
47 | #include <as.h> |
||
48 | #include <ipc/fb.h> |
||
49 | #include <ipc/ipc.h> |
||
1430 | jermar | 50 | #include <ipc/ns.h> |
1363 | vana | 51 | #include <ipc/services.h> |
52 | #include <kernel/errno.h> |
||
1993 | decky | 53 | #include <kernel/genarch/fb/visuals.h> |
4457 | decky | 54 | #include <io/color.h> |
55 | #include <io/style.h> |
||
1392 | palkovsky | 56 | #include <async.h> |
4528 | svoboda | 57 | #include <fibril.h> |
1993 | decky | 58 | #include <bool.h> |
4594 | decky | 59 | #include <stdio.h> |
1505 | palkovsky | 60 | |
1404 | palkovsky | 61 | #include "font-8x16.h" |
1363 | vana | 62 | #include "fb.h" |
1505 | palkovsky | 63 | #include "main.h" |
64 | #include "../console/screenbuffer.h" |
||
1547 | palkovsky | 65 | #include "ppm.h" |
1363 | vana | 66 | |
1711 | palkovsky | 67 | #include "pointer.xbm" |
68 | #include "pointer_mask.xbm" |
||
69 | |||
3707 | decky | 70 | #define DEFAULT_BGCOLOR 0xf0f0f0 |
71 | #define DEFAULT_FGCOLOR 0x000000 |
||
1363 | vana | 72 | |
4316 | decky | 73 | #define GLYPH_UNAVAIL '?' |
4226 | svoboda | 74 | |
3707 | decky | 75 | #define MAX_ANIM_LEN 8 |
76 | #define MAX_ANIMATIONS 4 |
||
77 | #define MAX_PIXMAPS 256 /**< Maximum number of saved pixmaps */ |
||
78 | #define MAX_VIEWPORTS 128 /**< Viewport is a rectangular area on the screen */ |
||
1363 | vana | 79 | |
3744 | svoboda | 80 | /** Function to render a pixel from a RGB value. */ |
3707 | decky | 81 | typedef void (*rgb_conv_t)(void *, uint32_t); |
1363 | vana | 82 | |
4316 | decky | 83 | /** Function to render a bit mask. */ |
84 | typedef void (*mask_conv_t)(void *, bool); |
||
85 | |||
3744 | svoboda | 86 | /** Function to draw a glyph. */ |
87 | typedef void (*dg_t)(unsigned int x, unsigned int y, bool cursor, |
||
4226 | svoboda | 88 | uint8_t *glyphs, uint32_t glyph, uint32_t fg_color, uint32_t bg_color); |
3744 | svoboda | 89 | |
1485 | palkovsky | 90 | struct { |
3707 | decky | 91 | uint8_t *fb_addr; |
92 | |||
1875 | jermar | 93 | unsigned int xres; |
94 | unsigned int yres; |
||
3707 | decky | 95 | |
1875 | jermar | 96 | unsigned int scanline; |
3707 | decky | 97 | unsigned int glyphscanline; |
98 | |||
1875 | jermar | 99 | unsigned int pixelbytes; |
3707 | decky | 100 | unsigned int glyphbytes; |
4316 | decky | 101 | |
4233 | svoboda | 102 | /** Pre-rendered mask for rendering glyphs. Specific for the visual. */ |
103 | uint8_t *glyphs; |
||
3707 | decky | 104 | |
105 | rgb_conv_t rgb_conv; |
||
4316 | decky | 106 | mask_conv_t mask_conv; |
1485 | palkovsky | 107 | } screen; |
1363 | vana | 108 | |
3767 | svoboda | 109 | /** Backbuffer character cell. */ |
1485 | palkovsky | 110 | typedef struct { |
4211 | svoboda | 111 | uint32_t glyph; |
3767 | svoboda | 112 | uint32_t fg_color; |
113 | uint32_t bg_color; |
||
114 | } bb_cell_t; |
||
115 | |||
116 | typedef struct { |
||
3707 | decky | 117 | bool initialized; |
118 | unsigned int x; |
||
119 | unsigned int y; |
||
120 | unsigned int width; |
||
121 | unsigned int height; |
||
122 | |||
1485 | palkovsky | 123 | /* Text support in window */ |
3707 | decky | 124 | unsigned int cols; |
125 | unsigned int rows; |
||
126 | |||
3744 | svoboda | 127 | /* |
128 | * Style and glyphs for text printing |
||
129 | */ |
||
4316 | decky | 130 | |
3767 | svoboda | 131 | /** Current attributes. */ |
132 | attr_rgb_t attr; |
||
4316 | decky | 133 | |
3707 | decky | 134 | uint8_t *bgpixel; |
4316 | decky | 135 | |
4233 | svoboda | 136 | /** |
137 | * Glyph drawing function for this viewport. Different viewports |
||
138 | * might use different drawing functions depending on whether their |
||
139 | * scanlines are aligned on a word boundary. |
||
140 | */ |
||
3744 | svoboda | 141 | dg_t dglyph; |
3707 | decky | 142 | |
1485 | palkovsky | 143 | /* Auto-cursor position */ |
3707 | decky | 144 | bool cursor_active; |
145 | unsigned int cur_col; |
||
146 | unsigned int cur_row; |
||
147 | bool cursor_shown; |
||
148 | |||
149 | /* Back buffer */ |
||
3767 | svoboda | 150 | bb_cell_t *backbuf; |
3707 | decky | 151 | unsigned int bbsize; |
1485 | palkovsky | 152 | } viewport_t; |
1363 | vana | 153 | |
1646 | palkovsky | 154 | typedef struct { |
3707 | decky | 155 | bool initialized; |
156 | bool enabled; |
||
1646 | palkovsky | 157 | unsigned int vp; |
3707 | decky | 158 | |
1646 | palkovsky | 159 | unsigned int pos; |
160 | unsigned int animlen; |
||
161 | unsigned int pixmaps[MAX_ANIM_LEN]; |
||
162 | } animation_t; |
||
3707 | decky | 163 | |
1646 | palkovsky | 164 | static animation_t animations[MAX_ANIMATIONS]; |
3707 | decky | 165 | static bool anims_enabled; |
1646 | palkovsky | 166 | |
1552 | palkovsky | 167 | typedef struct { |
168 | unsigned int width; |
||
169 | unsigned int height; |
||
1781 | jermar | 170 | uint8_t *data; |
1552 | palkovsky | 171 | } pixmap_t; |
3707 | decky | 172 | |
1552 | palkovsky | 173 | static pixmap_t pixmaps[MAX_PIXMAPS]; |
1485 | palkovsky | 174 | static viewport_t viewports[128]; |
175 | |||
3707 | decky | 176 | static bool client_connected = false; /**< Allow only 1 connection */ |
1485 | palkovsky | 177 | |
3767 | svoboda | 178 | static uint32_t color_table[16] = { |
4316 | decky | 179 | [COLOR_BLACK] = 0x000000, |
180 | [COLOR_BLUE] = 0x0000f0, |
||
181 | [COLOR_GREEN] = 0x00f000, |
||
182 | [COLOR_CYAN] = 0x00f0f0, |
||
183 | [COLOR_RED] = 0xf00000, |
||
184 | [COLOR_MAGENTA] = 0xf000f0, |
||
185 | [COLOR_YELLOW] = 0xf0f000, |
||
186 | [COLOR_WHITE] = 0xf0f0f0, |
||
187 | |||
188 | [8 + COLOR_BLACK] = 0x000000, |
||
189 | [8 + COLOR_BLUE] = 0x0000ff, |
||
190 | [8 + COLOR_GREEN] = 0x00ff00, |
||
191 | [8 + COLOR_CYAN] = 0x00ffff, |
||
192 | [8 + COLOR_RED] = 0xff0000, |
||
193 | [8 + COLOR_MAGENTA] = 0xff00ff, |
||
194 | [8 + COLOR_YELLOW] = 0xffff00, |
||
195 | [8 + COLOR_WHITE] = 0xffffff, |
||
3767 | svoboda | 196 | }; |
197 | |||
3792 | svoboda | 198 | static int rgb_from_attr(attr_rgb_t *rgb, const attrs_t *a); |
3767 | svoboda | 199 | static int rgb_from_style(attr_rgb_t *rgb, int style); |
200 | static int rgb_from_idx(attr_rgb_t *rgb, ipcarg_t fg_color, |
||
201 | ipcarg_t bg_color, ipcarg_t flags); |
||
202 | |||
203 | static int fb_set_color(viewport_t *vport, ipcarg_t fg_color, |
||
204 | ipcarg_t bg_color, ipcarg_t attr); |
||
205 | |||
3744 | svoboda | 206 | static void draw_glyph_aligned(unsigned int x, unsigned int y, bool cursor, |
4211 | svoboda | 207 | uint8_t *glyphs, uint32_t glyph, uint32_t fg_color, uint32_t bg_color); |
3744 | svoboda | 208 | static void draw_glyph_fallback(unsigned int x, unsigned int y, bool cursor, |
4211 | svoboda | 209 | uint8_t *glyphs, uint32_t glyph, uint32_t fg_color, uint32_t bg_color); |
3744 | svoboda | 210 | |
3739 | svoboda | 211 | static void draw_vp_glyph(viewport_t *vport, bool cursor, unsigned int col, |
3723 | svoboda | 212 | unsigned int row); |
213 | |||
214 | |||
3707 | decky | 215 | #define RED(x, bits) ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1)) |
216 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
||
217 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
||
1363 | vana | 218 | |
3707 | decky | 219 | #define COL2X(col) ((col) * FONT_WIDTH) |
220 | #define ROW2Y(row) ((row) * FONT_SCANLINES) |
||
1363 | vana | 221 | |
3707 | decky | 222 | #define X2COL(x) ((x) / FONT_WIDTH) |
223 | #define Y2ROW(y) ((y) / FONT_SCANLINES) |
||
1363 | vana | 224 | |
3707 | decky | 225 | #define FB_POS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes) |
226 | #define BB_POS(vport, col, row) ((row) * vport->cols + (col)) |
||
227 | #define GLYPH_POS(glyph, y, cursor) (((glyph) + (cursor) * FONT_GLYPHS) * screen.glyphbytes + (y) * screen.glyphscanline) |
||
1875 | jermar | 228 | |
1363 | vana | 229 | |
3707 | decky | 230 | /** ARGB 8:8:8:8 conversion |
231 | * |
||
232 | */ |
||
233 | static void rgb_0888(void *dst, uint32_t rgb) |
||
1363 | vana | 234 | { |
4316 | decky | 235 | *((uint32_t *) dst) = rgb & 0x00ffffff; |
1363 | vana | 236 | } |
237 | |||
4316 | decky | 238 | static void mask_0888(void *dst, bool mask) |
239 | { |
||
240 | *((uint32_t *) dst) = (mask ? 0x00ffffff : 0); |
||
241 | } |
||
1994 | decky | 242 | |
4316 | decky | 243 | |
3707 | decky | 244 | /** ABGR 8:8:8:8 conversion |
245 | * |
||
246 | */ |
||
247 | static void bgr_0888(void *dst, uint32_t rgb) |
||
1994 | decky | 248 | { |
3707 | decky | 249 | *((uint32_t *) dst) |
250 | = (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8); |
||
1994 | decky | 251 | } |
252 | |||
3707 | decky | 253 | |
3882 | decky | 254 | /** RGB 8:8:8 conversion |
3707 | decky | 255 | * |
256 | */ |
||
257 | static void rgb_888(void *dst, uint32_t rgb) |
||
1363 | vana | 258 | { |
3710 | decky | 259 | ((uint8_t *) dst)[0] = BLUE(rgb, 8); |
260 | ((uint8_t *) dst)[1] = GREEN(rgb, 8); |
||
261 | ((uint8_t *) dst)[2] = RED(rgb, 8); |
||
1363 | vana | 262 | } |
263 | |||
4316 | decky | 264 | static void mask_888(void *dst, bool mask) |
265 | { |
||
266 | if (mask) { |
||
267 | ((uint8_t *) dst)[0] = 0xff; |
||
268 | ((uint8_t *) dst)[1] = 0xff; |
||
269 | ((uint8_t *) dst)[2] = 0xff; |
||
270 | } else { |
||
271 | ((uint8_t *) dst)[0] = 0; |
||
272 | ((uint8_t *) dst)[1] = 0; |
||
273 | ((uint8_t *) dst)[2] = 0; |
||
274 | } |
||
275 | } |
||
1363 | vana | 276 | |
4316 | decky | 277 | |
3882 | decky | 278 | /** BGR 8:8:8 conversion |
279 | * |
||
280 | */ |
||
281 | static void bgr_888(void *dst, uint32_t rgb) |
||
282 | { |
||
283 | ((uint8_t *) dst)[0] = RED(rgb, 8); |
||
284 | ((uint8_t *) dst)[1] = GREEN(rgb, 8); |
||
285 | ((uint8_t *) dst)[2] = BLUE(rgb, 8); |
||
286 | } |
||
287 | |||
288 | |||
3707 | decky | 289 | /** RGB 5:5:5 conversion |
290 | * |
||
291 | */ |
||
292 | static void rgb_555(void *dst, uint32_t rgb) |
||
1993 | decky | 293 | { |
3707 | decky | 294 | *((uint16_t *) dst) |
295 | = (RED(rgb, 5) << 10) | (GREEN(rgb, 5) << 5) | BLUE(rgb, 5); |
||
1993 | decky | 296 | } |
297 | |||
4316 | decky | 298 | static void mask_555(void *dst, bool mask) |
299 | { |
||
300 | *((uint16_t *) dst) = (mask ? 0x7fff : 0); |
||
301 | } |
||
1993 | decky | 302 | |
4316 | decky | 303 | |
3707 | decky | 304 | /** RGB 5:6:5 conversion |
305 | * |
||
306 | */ |
||
307 | static void rgb_565(void *dst, uint32_t rgb) |
||
1363 | vana | 308 | { |
3707 | decky | 309 | *((uint16_t *) dst) |
310 | = (RED(rgb, 5) << 11) | (GREEN(rgb, 6) << 5) | BLUE(rgb, 5); |
||
1363 | vana | 311 | } |
312 | |||
4316 | decky | 313 | static void mask_565(void *dst, bool mask) |
314 | { |
||
315 | *((uint16_t *) dst) = (mask ? 0xffff : 0); |
||
316 | } |
||
1363 | vana | 317 | |
4316 | decky | 318 | |
3707 | decky | 319 | /** RGB 3:2:3 |
320 | * |
||
321 | */ |
||
322 | static void rgb_323(void *dst, uint32_t rgb) |
||
1363 | vana | 323 | { |
3707 | decky | 324 | *((uint8_t *) dst) |
325 | = ~((RED(rgb, 3) << 5) | (GREEN(rgb, 2) << 3) | BLUE(rgb, 3)); |
||
1363 | vana | 326 | } |
327 | |||
4316 | decky | 328 | static void mask_323(void *dst, bool mask) |
329 | { |
||
330 | *((uint8_t *) dst) = (mask ? 0xff : 0); |
||
331 | } |
||
332 | |||
3725 | svoboda | 333 | /** Draw a filled rectangle. |
334 | * |
||
335 | * @note Need real implementation that does not access VRAM twice. |
||
4316 | decky | 336 | * |
3725 | svoboda | 337 | */ |
3723 | svoboda | 338 | static void draw_filled_rect(unsigned int x0, unsigned int y0, unsigned int x1, |
339 | unsigned int y1, uint32_t color) |
||
340 | { |
||
4316 | decky | 341 | unsigned int x; |
342 | unsigned int y; |
||
3725 | svoboda | 343 | unsigned int copy_bytes; |
4316 | decky | 344 | |
345 | uint8_t *sp; |
||
346 | uint8_t *dp; |
||
3723 | svoboda | 347 | uint8_t cbuf[4]; |
4316 | decky | 348 | |
349 | if ((y0 >= y1) || (x0 >= x1)) |
||
350 | return; |
||
351 | |||
3723 | svoboda | 352 | screen.rgb_conv(cbuf, color); |
4316 | decky | 353 | |
3725 | svoboda | 354 | sp = &screen.fb_addr[FB_POS(x0, y0)]; |
355 | dp = sp; |
||
4316 | decky | 356 | |
3725 | svoboda | 357 | /* Draw the first line. */ |
358 | for (x = x0; x < x1; x++) { |
||
359 | memcpy(dp, cbuf, screen.pixelbytes); |
||
360 | dp += screen.pixelbytes; |
||
3723 | svoboda | 361 | } |
4316 | decky | 362 | |
3725 | svoboda | 363 | dp = sp + screen.scanline; |
364 | copy_bytes = (x1 - x0) * screen.pixelbytes; |
||
4316 | decky | 365 | |
3725 | svoboda | 366 | /* Draw the remaining lines by copying. */ |
367 | for (y = y0 + 1; y < y1; y++) { |
||
368 | memcpy(dp, sp, copy_bytes); |
||
369 | dp += screen.scanline; |
||
370 | } |
||
3723 | svoboda | 371 | } |
372 | |||
373 | /** Redraw viewport. |
||
1498 | palkovsky | 374 | * |
3707 | decky | 375 | * @param vport Viewport to redraw |
376 | * |
||
1498 | palkovsky | 377 | */ |
3707 | decky | 378 | static void vport_redraw(viewport_t *vport) |
1485 | palkovsky | 379 | { |
4457 | decky | 380 | unsigned int col; |
4316 | decky | 381 | unsigned int row; |
382 | |||
3707 | decky | 383 | for (row = 0; row < vport->rows; row++) { |
3723 | svoboda | 384 | for (col = 0; col < vport->cols; col++) { |
3739 | svoboda | 385 | draw_vp_glyph(vport, false, col, row); |
3707 | decky | 386 | } |
1672 | palkovsky | 387 | } |
4316 | decky | 388 | |
3707 | decky | 389 | if (COL2X(vport->cols) < vport->width) { |
3723 | svoboda | 390 | draw_filled_rect( |
391 | vport->x + COL2X(vport->cols), vport->y, |
||
392 | vport->x + vport->width, vport->y + vport->height, |
||
3767 | svoboda | 393 | vport->attr.bg_color); |
1672 | palkovsky | 394 | } |
4316 | decky | 395 | |
3707 | decky | 396 | if (ROW2Y(vport->rows) < vport->height) { |
3723 | svoboda | 397 | draw_filled_rect( |
398 | vport->x, vport->y + ROW2Y(vport->rows), |
||
399 | vport->x + vport->width, vport->y + vport->height, |
||
3767 | svoboda | 400 | vport->attr.bg_color); |
1672 | palkovsky | 401 | } |
1559 | palkovsky | 402 | } |
403 | |||
3767 | svoboda | 404 | static void backbuf_clear(bb_cell_t *backbuf, size_t len, uint32_t fg_color, |
405 | uint32_t bg_color) |
||
406 | { |
||
4316 | decky | 407 | size_t i; |
408 | |||
3767 | svoboda | 409 | for (i = 0; i < len; i++) { |
410 | backbuf[i].glyph = 0; |
||
411 | backbuf[i].fg_color = fg_color; |
||
412 | backbuf[i].bg_color = bg_color; |
||
413 | } |
||
414 | } |
||
415 | |||
3724 | svoboda | 416 | /** Clear viewport. |
3707 | decky | 417 | * |
418 | * @param vport Viewport to clear |
||
419 | * |
||
420 | */ |
||
421 | static void vport_clear(viewport_t *vport) |
||
1363 | vana | 422 | { |
3767 | svoboda | 423 | backbuf_clear(vport->backbuf, vport->cols * vport->rows, |
424 | vport->attr.fg_color, vport->attr.bg_color); |
||
3707 | decky | 425 | vport_redraw(vport); |
1363 | vana | 426 | } |
427 | |||
3724 | svoboda | 428 | /** Scroll viewport by the specified number of lines. |
1485 | palkovsky | 429 | * |
1709 | jermar | 430 | * @param vport Viewport to scroll |
3707 | decky | 431 | * @param lines Number of lines to scroll |
432 | * |
||
1485 | palkovsky | 433 | */ |
3707 | decky | 434 | static void vport_scroll(viewport_t *vport, int lines) |
1363 | vana | 435 | { |
4457 | decky | 436 | unsigned int col; |
4316 | decky | 437 | unsigned int row; |
438 | unsigned int x; |
||
439 | unsigned int y; |
||
4232 | svoboda | 440 | uint32_t glyph; |
3767 | svoboda | 441 | uint32_t fg_color; |
442 | uint32_t bg_color; |
||
4316 | decky | 443 | bb_cell_t *bbp; |
444 | bb_cell_t *xbp; |
||
445 | |||
3724 | svoboda | 446 | /* |
3739 | svoboda | 447 | * Redraw. |
448 | */ |
||
4316 | decky | 449 | |
3739 | svoboda | 450 | y = vport->y; |
451 | for (row = 0; row < vport->rows; row++) { |
||
452 | x = vport->x; |
||
453 | for (col = 0; col < vport->cols; col++) { |
||
4548 | svoboda | 454 | if (((int) row + lines >= 0) && |
455 | ((int) row + lines < (int) vport->rows)) { |
||
3767 | svoboda | 456 | xbp = &vport->backbuf[BB_POS(vport, col, row + lines)]; |
457 | bbp = &vport->backbuf[BB_POS(vport, col, row)]; |
||
4316 | decky | 458 | |
3767 | svoboda | 459 | glyph = xbp->glyph; |
460 | fg_color = xbp->fg_color; |
||
461 | bg_color = xbp->bg_color; |
||
4316 | decky | 462 | |
463 | if ((bbp->glyph == glyph) |
||
464 | && (bbp->fg_color == xbp->fg_color) |
||
465 | && (bbp->bg_color == xbp->bg_color)) { |
||
3739 | svoboda | 466 | x += FONT_WIDTH; |
467 | continue; |
||
468 | } |
||
469 | } else { |
||
470 | glyph = 0; |
||
3767 | svoboda | 471 | fg_color = vport->attr.fg_color; |
472 | bg_color = vport->attr.bg_color; |
||
3739 | svoboda | 473 | } |
4316 | decky | 474 | |
4233 | svoboda | 475 | (*vport->dglyph)(x, y, false, screen.glyphs, glyph, |
3767 | svoboda | 476 | fg_color, bg_color); |
3739 | svoboda | 477 | x += FONT_WIDTH; |
478 | } |
||
479 | y += FONT_SCANLINES; |
||
480 | } |
||
4316 | decky | 481 | |
3739 | svoboda | 482 | /* |
3724 | svoboda | 483 | * Scroll backbuffer. |
484 | */ |
||
4316 | decky | 485 | |
1672 | palkovsky | 486 | if (lines > 0) { |
3739 | svoboda | 487 | memmove(vport->backbuf, vport->backbuf + vport->cols * lines, |
3767 | svoboda | 488 | vport->cols * (vport->rows - lines) * sizeof(bb_cell_t)); |
489 | backbuf_clear(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)], |
||
490 | vport->cols * lines, vport->attr.fg_color, vport->attr.bg_color); |
||
3707 | decky | 491 | } else { |
3739 | svoboda | 492 | memmove(vport->backbuf - vport->cols * lines, vport->backbuf, |
3767 | svoboda | 493 | vport->cols * (vport->rows + lines) * sizeof(bb_cell_t)); |
494 | backbuf_clear(vport->backbuf, - vport->cols * lines, |
||
495 | vport->attr.fg_color, vport->attr.bg_color); |
||
1672 | palkovsky | 496 | } |
497 | } |
||
498 | |||
3707 | decky | 499 | /** Render glyphs |
1558 | palkovsky | 500 | * |
3707 | decky | 501 | * Convert glyphs from device independent font |
502 | * description to current visual representation. |
||
4316 | decky | 503 | * |
1558 | palkovsky | 504 | */ |
4233 | svoboda | 505 | static void render_glyphs(void) |
1363 | vana | 506 | { |
3707 | decky | 507 | unsigned int glyph; |
4316 | decky | 508 | |
3707 | decky | 509 | for (glyph = 0; glyph < FONT_GLYPHS; glyph++) { |
510 | unsigned int y; |
||
4316 | decky | 511 | |
3707 | decky | 512 | for (y = 0; y < FONT_SCANLINES; y++) { |
513 | unsigned int x; |
||
4316 | decky | 514 | |
3707 | decky | 515 | for (x = 0; x < FONT_WIDTH; x++) { |
4316 | decky | 516 | screen.mask_conv(&screen.glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes], |
4322 | decky | 517 | (fb_font[glyph][y] & (1 << (7 - x))) ? true : false); |
4316 | decky | 518 | |
519 | screen.mask_conv(&screen.glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], |
||
4322 | decky | 520 | (fb_font[glyph][y] & (1 << (7 - x))) ? false : true); |
3707 | decky | 521 | } |
1509 | palkovsky | 522 | } |
523 | } |
||
1363 | vana | 524 | } |
525 | |||
1485 | palkovsky | 526 | /** Create new viewport |
1363 | vana | 527 | * |
3707 | decky | 528 | * @param x Origin of the viewport (x). |
529 | * @param y Origin of the viewport (y). |
||
530 | * @param width Width of the viewport. |
||
531 | * @param height Height of the viewport. |
||
532 | * |
||
533 | * @return New viewport number. |
||
534 | * |
||
1363 | vana | 535 | */ |
3707 | decky | 536 | static int vport_create(unsigned int x, unsigned int y, |
537 | unsigned int width, unsigned int height) |
||
1363 | vana | 538 | { |
3707 | decky | 539 | unsigned int i; |
540 | |||
2070 | jermar | 541 | for (i = 0; i < MAX_VIEWPORTS; i++) { |
1485 | palkovsky | 542 | if (!viewports[i].initialized) |
1363 | vana | 543 | break; |
544 | } |
||
4316 | decky | 545 | |
1485 | palkovsky | 546 | if (i == MAX_VIEWPORTS) |
547 | return ELIMIT; |
||
3707 | decky | 548 | |
549 | unsigned int cols = width / FONT_WIDTH; |
||
550 | unsigned int rows = height / FONT_SCANLINES; |
||
3767 | svoboda | 551 | unsigned int bbsize = cols * rows * sizeof(bb_cell_t); |
3744 | svoboda | 552 | unsigned int word_size = sizeof(unsigned long); |
3707 | decky | 553 | |
3767 | svoboda | 554 | bb_cell_t *backbuf = (bb_cell_t *) malloc(bbsize); |
3707 | decky | 555 | if (!backbuf) |
556 | return ENOMEM; |
||
557 | |||
558 | uint8_t *bgpixel = (uint8_t *) malloc(screen.pixelbytes); |
||
559 | if (!bgpixel) { |
||
560 | free(backbuf); |
||
561 | return ENOMEM; |
||
562 | } |
||
4316 | decky | 563 | |
3767 | svoboda | 564 | backbuf_clear(backbuf, cols * rows, DEFAULT_FGCOLOR, DEFAULT_BGCOLOR); |
3707 | decky | 565 | memset(bgpixel, 0, screen.pixelbytes); |
566 | |||
1485 | palkovsky | 567 | viewports[i].x = x; |
568 | viewports[i].y = y; |
||
569 | viewports[i].width = width; |
||
570 | viewports[i].height = height; |
||
1363 | vana | 571 | |
3707 | decky | 572 | viewports[i].cols = cols; |
573 | viewports[i].rows = rows; |
||
574 | |||
3767 | svoboda | 575 | viewports[i].attr.bg_color = DEFAULT_BGCOLOR; |
576 | viewports[i].attr.fg_color = DEFAULT_FGCOLOR; |
||
1363 | vana | 577 | |
3707 | decky | 578 | viewports[i].bgpixel = bgpixel; |
4316 | decky | 579 | |
3744 | svoboda | 580 | /* |
4316 | decky | 581 | * Conditions necessary to select aligned version: |
582 | * - word size is divisible by pixelbytes |
||
583 | * - cell scanline size is divisible by word size |
||
584 | * - cell scanlines are word-aligned |
||
3744 | svoboda | 585 | * |
586 | */ |
||
4316 | decky | 587 | if (((word_size % screen.pixelbytes) == 0) |
588 | && ((FONT_WIDTH * screen.pixelbytes) % word_size == 0) |
||
589 | && ((x * screen.pixelbytes) % word_size == 0) |
||
590 | && (screen.scanline % word_size == 0)) { |
||
3744 | svoboda | 591 | viewports[i].dglyph = draw_glyph_aligned; |
592 | } else { |
||
593 | viewports[i].dglyph = draw_glyph_fallback; |
||
594 | } |
||
4316 | decky | 595 | |
1489 | palkovsky | 596 | viewports[i].cur_col = 0; |
597 | viewports[i].cur_row = 0; |
||
3707 | decky | 598 | viewports[i].cursor_active = false; |
599 | viewports[i].cursor_shown = false; |
||
600 | |||
601 | viewports[i].bbsize = bbsize; |
||
602 | viewports[i].backbuf = backbuf; |
||
603 | |||
604 | viewports[i].initialized = true; |
||
605 | |||
4233 | svoboda | 606 | screen.rgb_conv(viewports[i].bgpixel, viewports[i].attr.bg_color); |
3707 | decky | 607 | |
1485 | palkovsky | 608 | return i; |
1363 | vana | 609 | } |
610 | |||
3707 | decky | 611 | |
1363 | vana | 612 | /** Initialize framebuffer as a chardev output device |
613 | * |
||
3707 | decky | 614 | * @param addr Address of the framebuffer |
615 | * @param xres Screen width in pixels |
||
616 | * @param yres Screen height in pixels |
||
617 | * @param visual Bits per pixel (8, 16, 24, 32) |
||
618 | * @param scan Bytes per one scanline |
||
1363 | vana | 619 | * |
620 | */ |
||
3707 | decky | 621 | static bool screen_init(void *addr, unsigned int xres, unsigned int yres, |
622 | unsigned int scan, unsigned int visual) |
||
1363 | vana | 623 | { |
4316 | decky | 624 | |
625 | |||
1993 | decky | 626 | switch (visual) { |
627 | case VISUAL_INDIRECT_8: |
||
3707 | decky | 628 | screen.rgb_conv = rgb_323; |
4316 | decky | 629 | screen.mask_conv = mask_323; |
1886 | jermar | 630 | screen.pixelbytes = 1; |
631 | break; |
||
1993 | decky | 632 | case VISUAL_RGB_5_5_5: |
3707 | decky | 633 | screen.rgb_conv = rgb_555; |
4316 | decky | 634 | screen.mask_conv = mask_555; |
1886 | jermar | 635 | screen.pixelbytes = 2; |
636 | break; |
||
1993 | decky | 637 | case VISUAL_RGB_5_6_5: |
3707 | decky | 638 | screen.rgb_conv = rgb_565; |
4316 | decky | 639 | screen.mask_conv = mask_565; |
1993 | decky | 640 | screen.pixelbytes = 2; |
1886 | jermar | 641 | break; |
1993 | decky | 642 | case VISUAL_RGB_8_8_8: |
3707 | decky | 643 | screen.rgb_conv = rgb_888; |
4316 | decky | 644 | screen.mask_conv = mask_888; |
1993 | decky | 645 | screen.pixelbytes = 3; |
646 | break; |
||
3882 | decky | 647 | case VISUAL_BGR_8_8_8: |
648 | screen.rgb_conv = bgr_888; |
||
4316 | decky | 649 | screen.mask_conv = mask_888; |
3882 | decky | 650 | screen.pixelbytes = 3; |
651 | break; |
||
1993 | decky | 652 | case VISUAL_RGB_8_8_8_0: |
3707 | decky | 653 | screen.rgb_conv = rgb_888; |
4316 | decky | 654 | screen.mask_conv = mask_888; |
1886 | jermar | 655 | screen.pixelbytes = 4; |
656 | break; |
||
1993 | decky | 657 | case VISUAL_RGB_0_8_8_8: |
3707 | decky | 658 | screen.rgb_conv = rgb_0888; |
4316 | decky | 659 | screen.mask_conv = mask_0888; |
1993 | decky | 660 | screen.pixelbytes = 4; |
661 | break; |
||
1994 | decky | 662 | case VISUAL_BGR_0_8_8_8: |
3707 | decky | 663 | screen.rgb_conv = bgr_0888; |
4316 | decky | 664 | screen.mask_conv = mask_0888; |
1994 | decky | 665 | screen.pixelbytes = 4; |
666 | break; |
||
1993 | decky | 667 | default: |
668 | return false; |
||
1363 | vana | 669 | } |
4316 | decky | 670 | |
3707 | decky | 671 | screen.fb_addr = (unsigned char *) addr; |
1485 | palkovsky | 672 | screen.xres = xres; |
673 | screen.yres = yres; |
||
674 | screen.scanline = scan; |
||
1363 | vana | 675 | |
3707 | decky | 676 | screen.glyphscanline = FONT_WIDTH * screen.pixelbytes; |
677 | screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES; |
||
4316 | decky | 678 | |
679 | size_t glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes; |
||
680 | uint8_t *glyphs = (uint8_t *) malloc(glyphsize); |
||
4233 | svoboda | 681 | if (!glyphs) |
682 | return false; |
||
3707 | decky | 683 | |
4233 | svoboda | 684 | memset(glyphs, 0, glyphsize); |
685 | screen.glyphs = glyphs; |
||
4316 | decky | 686 | |
4233 | svoboda | 687 | render_glyphs(); |
688 | |||
1485 | palkovsky | 689 | /* Create first viewport */ |
3707 | decky | 690 | vport_create(0, 0, xres, yres); |
1993 | decky | 691 | |
692 | return true; |
||
1485 | palkovsky | 693 | } |
1363 | vana | 694 | |
3707 | decky | 695 | |
3744 | svoboda | 696 | /** Draw a glyph, takes advantage of alignment. |
3707 | decky | 697 | * |
3744 | svoboda | 698 | * This version can only be used if the following conditions are met: |
3739 | svoboda | 699 | * |
3744 | svoboda | 700 | * - word size is divisible by pixelbytes |
701 | * - cell scanline size is divisible by word size |
||
702 | * - cell scanlines are word-aligned |
||
703 | * |
||
704 | * It makes use of the pre-rendered mask to process (possibly) several |
||
705 | * pixels at once (word size / pixelbytes pixels at a time are processed) |
||
706 | * making it very fast. Most notably this version is not applicable at 24 bits |
||
707 | * per pixel. |
||
708 | * |
||
4316 | decky | 709 | * @param x x coordinate of top-left corner on screen. |
710 | * @param y y coordinate of top-left corner on screen. |
||
711 | * @param cursor Draw glyph with cursor |
||
712 | * @param glyphs Pointer to font bitmap. |
||
713 | * @param glyph Code of the glyph to draw. |
||
714 | * @param fg_color Foreground color. |
||
715 | * @param bg_color Backgroudn color. |
||
716 | * |
||
3739 | svoboda | 717 | */ |
3744 | svoboda | 718 | static void draw_glyph_aligned(unsigned int x, unsigned int y, bool cursor, |
4211 | svoboda | 719 | uint8_t *glyphs, uint32_t glyph, uint32_t fg_color, uint32_t bg_color) |
3739 | svoboda | 720 | { |
4316 | decky | 721 | unsigned int i; |
722 | unsigned int yd; |
||
723 | unsigned long fg_buf; |
||
724 | unsigned long bg_buf; |
||
3744 | svoboda | 725 | unsigned long mask; |
4316 | decky | 726 | |
3744 | svoboda | 727 | /* |
728 | * Prepare a pair of words, one filled with foreground-color |
||
729 | * pattern and the other filled with background-color pattern. |
||
730 | */ |
||
731 | for (i = 0; i < sizeof(unsigned long) / screen.pixelbytes; i++) { |
||
4316 | decky | 732 | screen.rgb_conv(&((uint8_t *) &fg_buf)[i * screen.pixelbytes], |
3744 | svoboda | 733 | fg_color); |
4316 | decky | 734 | screen.rgb_conv(&((uint8_t *) &bg_buf)[i * screen.pixelbytes], |
3744 | svoboda | 735 | bg_color); |
736 | } |
||
4316 | decky | 737 | |
3744 | svoboda | 738 | /* Pointer to the current position in the mask. */ |
4316 | decky | 739 | unsigned long *maskp = (unsigned long *) &glyphs[GLYPH_POS(glyph, 0, cursor)]; |
740 | |||
3744 | svoboda | 741 | /* Pointer to the current position on the screen. */ |
4316 | decky | 742 | unsigned long *dp = (unsigned long *) &screen.fb_addr[FB_POS(x, y)]; |
743 | |||
3744 | svoboda | 744 | /* Width of the character cell in words. */ |
4316 | decky | 745 | unsigned int ww = FONT_WIDTH * screen.pixelbytes / sizeof(unsigned long); |
746 | |||
3744 | svoboda | 747 | /* Offset to add when moving to another screen scanline. */ |
4316 | decky | 748 | unsigned int d_add = screen.scanline - FONT_WIDTH * screen.pixelbytes; |
749 | |||
3744 | svoboda | 750 | for (yd = 0; yd < FONT_SCANLINES; yd++) { |
751 | /* |
||
752 | * Now process the cell scanline, combining foreground |
||
753 | * and background color patters using the pre-rendered mask. |
||
754 | */ |
||
755 | for (i = 0; i < ww; i++) { |
||
756 | mask = *maskp++; |
||
757 | *dp++ = (fg_buf & mask) | (bg_buf & ~mask); |
||
758 | } |
||
4316 | decky | 759 | |
3744 | svoboda | 760 | /* Move to the beginning of the next scanline of the cell. */ |
761 | dp = (unsigned long *) ((uint8_t *) dp + d_add); |
||
762 | } |
||
3739 | svoboda | 763 | } |
764 | |||
3744 | svoboda | 765 | /** Draw a glyph, fallback version. |
766 | * |
||
767 | * This version does not make use of the pre-rendered mask, it uses |
||
768 | * the font bitmap directly. It works always, but it is slower. |
||
769 | * |
||
4316 | decky | 770 | * @param x x coordinate of top-left corner on screen. |
771 | * @param y y coordinate of top-left corner on screen. |
||
772 | * @param cursor Draw glyph with cursor |
||
773 | * @param glyphs Pointer to font bitmap. |
||
774 | * @param glyph Code of the glyph to draw. |
||
775 | * @param fg_color Foreground color. |
||
776 | * @param bg_color Backgroudn color. |
||
777 | * |
||
3744 | svoboda | 778 | */ |
779 | void draw_glyph_fallback(unsigned int x, unsigned int y, bool cursor, |
||
4211 | svoboda | 780 | uint8_t *glyphs, uint32_t glyph, uint32_t fg_color, uint32_t bg_color) |
3744 | svoboda | 781 | { |
4316 | decky | 782 | unsigned int i; |
783 | unsigned int j; |
||
784 | unsigned int yd; |
||
785 | uint8_t fg_buf[4]; |
||
786 | uint8_t bg_buf[4]; |
||
787 | uint8_t *sp; |
||
3744 | svoboda | 788 | uint8_t b; |
4316 | decky | 789 | |
3744 | svoboda | 790 | /* Pre-render 1x the foreground and background color pixels. */ |
791 | if (cursor) { |
||
792 | screen.rgb_conv(fg_buf, bg_color); |
||
793 | screen.rgb_conv(bg_buf, fg_color); |
||
794 | } else { |
||
795 | screen.rgb_conv(fg_buf, fg_color); |
||
796 | screen.rgb_conv(bg_buf, bg_color); |
||
797 | } |
||
4316 | decky | 798 | |
3744 | svoboda | 799 | /* Pointer to the current position on the screen. */ |
4316 | decky | 800 | uint8_t *dp = (uint8_t *) &screen.fb_addr[FB_POS(x, y)]; |
801 | |||
3744 | svoboda | 802 | /* Offset to add when moving to another screen scanline. */ |
4316 | decky | 803 | unsigned int d_add = screen.scanline - FONT_WIDTH * screen.pixelbytes; |
804 | |||
3744 | svoboda | 805 | for (yd = 0; yd < FONT_SCANLINES; yd++) { |
806 | /* Byte containing bits of the glyph scanline. */ |
||
4232 | svoboda | 807 | b = fb_font[glyph][yd]; |
4316 | decky | 808 | |
3744 | svoboda | 809 | for (i = 0; i < FONT_WIDTH; i++) { |
810 | /* Choose color based on the current bit. */ |
||
811 | sp = (b & 0x80) ? fg_buf : bg_buf; |
||
4316 | decky | 812 | |
3744 | svoboda | 813 | /* Copy the pixel. */ |
814 | for (j = 0; j < screen.pixelbytes; j++) { |
||
815 | *dp++ = *sp++; |
||
816 | } |
||
4316 | decky | 817 | |
3744 | svoboda | 818 | /* Move to the next bit. */ |
819 | b = b << 1; |
||
820 | } |
||
821 | |||
822 | /* Move to the beginning of the next scanline of the cell. */ |
||
823 | dp += d_add; |
||
824 | } |
||
825 | } |
||
826 | |||
4316 | decky | 827 | /** Draw glyph at specified position in viewport. |
3739 | svoboda | 828 | * |
3707 | decky | 829 | * @param vport Viewport identification |
830 | * @param cursor Draw glyph with cursor |
||
831 | * @param col Screen position relative to viewport |
||
832 | * @param row Screen position relative to viewport |
||
833 | * |
||
834 | */ |
||
3739 | svoboda | 835 | static void draw_vp_glyph(viewport_t *vport, bool cursor, unsigned int col, |
836 | unsigned int row) |
||
1500 | palkovsky | 837 | { |
3707 | decky | 838 | unsigned int x = vport->x + COL2X(col); |
839 | unsigned int y = vport->y + ROW2Y(row); |
||
840 | |||
4316 | decky | 841 | uint32_t glyph = vport->backbuf[BB_POS(vport, col, row)].glyph; |
842 | uint32_t fg_color = vport->backbuf[BB_POS(vport, col, row)].fg_color; |
||
843 | uint32_t bg_color = vport->backbuf[BB_POS(vport, col, row)].bg_color; |
||
844 | |||
4233 | svoboda | 845 | (*vport->dglyph)(x, y, cursor, screen.glyphs, glyph, |
3767 | svoboda | 846 | fg_color, bg_color); |
3707 | decky | 847 | } |
848 | |||
849 | /** Hide cursor if it is shown |
||
850 | * |
||
851 | */ |
||
852 | static void cursor_hide(viewport_t *vport) |
||
853 | { |
||
854 | if ((vport->cursor_active) && (vport->cursor_shown)) { |
||
3739 | svoboda | 855 | draw_vp_glyph(vport, false, vport->cur_col, vport->cur_row); |
3707 | decky | 856 | vport->cursor_shown = false; |
1500 | palkovsky | 857 | } |
858 | } |
||
859 | |||
3707 | decky | 860 | |
861 | /** Show cursor if cursor showing is enabled |
||
862 | * |
||
863 | */ |
||
864 | static void cursor_show(viewport_t *vport) |
||
1500 | palkovsky | 865 | { |
866 | /* Do not check for cursor_shown */ |
||
867 | if (vport->cursor_active) { |
||
3739 | svoboda | 868 | draw_vp_glyph(vport, true, vport->cur_col, vport->cur_row); |
3707 | decky | 869 | vport->cursor_shown = true; |
1500 | palkovsky | 870 | } |
871 | } |
||
872 | |||
3707 | decky | 873 | |
874 | /** Invert cursor, if it is enabled |
||
875 | * |
||
876 | */ |
||
877 | static void cursor_blink(viewport_t *vport) |
||
1500 | palkovsky | 878 | { |
879 | if (vport->cursor_shown) |
||
1673 | palkovsky | 880 | cursor_hide(vport); |
1500 | palkovsky | 881 | else |
3707 | decky | 882 | cursor_show(vport); |
1500 | palkovsky | 883 | } |
884 | |||
3707 | decky | 885 | |
886 | /** Draw character at given position relative to viewport |
||
887 | * |
||
888 | * @param vport Viewport identification |
||
889 | * @param c Character to draw |
||
890 | * @param col Screen position relative to viewport |
||
891 | * @param row Screen position relative to viewport |
||
892 | * |
||
1498 | palkovsky | 893 | */ |
4211 | svoboda | 894 | static void draw_char(viewport_t *vport, wchar_t c, unsigned int col, unsigned int row) |
1486 | palkovsky | 895 | { |
3767 | svoboda | 896 | bb_cell_t *bbp; |
4316 | decky | 897 | |
3707 | decky | 898 | /* Do not hide cursor if we are going to overwrite it */ |
899 | if ((vport->cursor_active) && (vport->cursor_shown) && |
||
900 | ((vport->cur_col != col) || (vport->cur_row != row))) |
||
901 | cursor_hide(vport); |
||
4316 | decky | 902 | |
3767 | svoboda | 903 | bbp = &vport->backbuf[BB_POS(vport, col, row)]; |
4232 | svoboda | 904 | bbp->glyph = fb_font_glyph(c); |
3767 | svoboda | 905 | bbp->fg_color = vport->attr.fg_color; |
906 | bbp->bg_color = vport->attr.bg_color; |
||
4316 | decky | 907 | |
3739 | svoboda | 908 | draw_vp_glyph(vport, false, col, row); |
3707 | decky | 909 | |
1489 | palkovsky | 910 | vport->cur_col = col; |
911 | vport->cur_row = row; |
||
3707 | decky | 912 | |
1489 | palkovsky | 913 | vport->cur_col++; |
2025 | jermar | 914 | if (vport->cur_col >= vport->cols) { |
1489 | palkovsky | 915 | vport->cur_col = 0; |
916 | vport->cur_row++; |
||
917 | if (vport->cur_row >= vport->rows) |
||
918 | vport->cur_row--; |
||
1486 | palkovsky | 919 | } |
3707 | decky | 920 | |
921 | cursor_show(vport); |
||
1486 | palkovsky | 922 | } |
923 | |||
4167 | svoboda | 924 | /** Draw text data to viewport. |
1552 | palkovsky | 925 | * |
1709 | jermar | 926 | * @param vport Viewport id |
4167 | svoboda | 927 | * @param data Text data. |
4316 | decky | 928 | * @param x Leftmost column of the area. |
929 | * @param y Topmost row of the area. |
||
930 | * @param w Number of rows. |
||
931 | * @param h Number of columns. |
||
932 | * |
||
1552 | palkovsky | 933 | */ |
4167 | svoboda | 934 | static void draw_text_data(viewport_t *vport, keyfield_t *data, unsigned int x, |
935 | unsigned int y, unsigned int w, unsigned int h) |
||
1505 | palkovsky | 936 | { |
4316 | decky | 937 | unsigned int i; |
938 | unsigned int j; |
||
3767 | svoboda | 939 | bb_cell_t *bbp; |
940 | attrs_t *a; |
||
941 | attr_rgb_t rgb; |
||
4316 | decky | 942 | |
4167 | svoboda | 943 | for (j = 0; j < h; j++) { |
944 | for (i = 0; i < w; i++) { |
||
945 | unsigned int col = x + i; |
||
946 | unsigned int row = y + j; |
||
4316 | decky | 947 | |
4167 | svoboda | 948 | bbp = &vport->backbuf[BB_POS(vport, col, row)]; |
4316 | decky | 949 | |
4167 | svoboda | 950 | a = &data[j * w + i].attrs; |
951 | rgb_from_attr(&rgb, a); |
||
4316 | decky | 952 | |
4232 | svoboda | 953 | bbp->glyph = fb_font_glyph(data[j * w + i].character); |
4167 | svoboda | 954 | bbp->fg_color = rgb.fg_color; |
955 | bbp->bg_color = rgb.bg_color; |
||
4316 | decky | 956 | |
4167 | svoboda | 957 | draw_vp_glyph(vport, false, col, row); |
958 | } |
||
1505 | palkovsky | 959 | } |
3707 | decky | 960 | cursor_show(vport); |
1505 | palkovsky | 961 | } |
962 | |||
3707 | decky | 963 | |
964 | static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color) |
||
1555 | palkovsky | 965 | { |
3707 | decky | 966 | int pm = *((int *) data); |
967 | pixmap_t *pmap = &pixmaps[pm]; |
||
968 | unsigned int pos = (y * pmap->width + x) * screen.pixelbytes; |
||
1555 | palkovsky | 969 | |
3707 | decky | 970 | screen.rgb_conv(&pmap->data[pos], color); |
971 | } |
||
972 | |||
973 | |||
974 | static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color) |
||
975 | { |
||
976 | viewport_t *vport = (viewport_t *) data; |
||
977 | unsigned int dx = vport->x + x; |
||
978 | unsigned int dy = vport->y + y; |
||
979 | |||
980 | screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color); |
||
981 | } |
||
982 | |||
983 | |||
984 | /** Return first free pixmap |
||
985 | * |
||
986 | */ |
||
987 | static int find_free_pixmap(void) |
||
988 | { |
||
989 | unsigned int i; |
||
990 | |||
991 | for (i = 0; i < MAX_PIXMAPS; i++) |
||
1555 | palkovsky | 992 | if (!pixmaps[i].data) |
993 | return i; |
||
3707 | decky | 994 | |
1555 | palkovsky | 995 | return -1; |
996 | } |
||
997 | |||
998 | |||
3707 | decky | 999 | /** Create a new pixmap and return appropriate ID |
1000 | * |
||
1001 | */ |
||
1002 | static int shm2pixmap(unsigned char *shm, size_t size) |
||
1555 | palkovsky | 1003 | { |
1004 | int pm; |
||
1005 | pixmap_t *pmap; |
||
3707 | decky | 1006 | |
1555 | palkovsky | 1007 | pm = find_free_pixmap(); |
1008 | if (pm == -1) |
||
1009 | return ELIMIT; |
||
3707 | decky | 1010 | |
1555 | palkovsky | 1011 | pmap = &pixmaps[pm]; |
1012 | |||
1013 | if (ppm_get_data(shm, size, &pmap->width, &pmap->height)) |
||
1014 | return EINVAL; |
||
1015 | |||
1016 | pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes); |
||
1017 | if (!pmap->data) |
||
1018 | return ENOMEM; |
||
3707 | decky | 1019 | |
1020 | ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, putpixel_pixmap, (void *) &pm); |
||
1021 | |||
1555 | palkovsky | 1022 | return pm; |
1023 | } |
||
1024 | |||
3707 | decky | 1025 | |
1552 | palkovsky | 1026 | /** Handle shared memory communication calls |
1027 | * |
||
1028 | * Protocol for drawing pixmaps: |
||
1029 | * - FB_PREPARE_SHM(client shm identification) |
||
2025 | jermar | 1030 | * - IPC_M_AS_AREA_SEND |
3707 | decky | 1031 | * - FB_DRAW_PPM(startx, starty) |
1552 | palkovsky | 1032 | * - FB_DROP_SHM |
1033 | * |
||
1034 | * Protocol for text drawing |
||
2025 | jermar | 1035 | * - IPC_M_AS_AREA_SEND |
1552 | palkovsky | 1036 | * - FB_DRAW_TEXT_DATA |
1037 | * |
||
1038 | * @param callid Callid of the current call |
||
3707 | decky | 1039 | * @param call Current call data |
1040 | * @param vp Active viewport |
||
1552 | palkovsky | 1041 | * |
3707 | decky | 1042 | * @return false if the call was not handled byt this function, true otherwise |
1043 | * |
||
4528 | svoboda | 1044 | * Note: this function is not thread-safe, you would have |
1045 | * to redefine static variables with fibril_local. |
||
3707 | decky | 1046 | * |
1552 | palkovsky | 1047 | */ |
3707 | decky | 1048 | static bool shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
1547 | palkovsky | 1049 | { |
1050 | static keyfield_t *interbuffer = NULL; |
||
1051 | static size_t intersize = 0; |
||
3707 | decky | 1052 | |
1720 | palkovsky | 1053 | static unsigned char *shm = NULL; |
1555 | palkovsky | 1054 | static ipcarg_t shm_id = 0; |
1055 | static size_t shm_size; |
||
3707 | decky | 1056 | |
1057 | bool handled = true; |
||
1058 | int retval = EOK; |
||
1547 | palkovsky | 1059 | viewport_t *vport = &viewports[vp]; |
3707 | decky | 1060 | unsigned int x; |
1061 | unsigned int y; |
||
4167 | svoboda | 1062 | unsigned int w; |
1063 | unsigned int h; |
||
3707 | decky | 1064 | |
1547 | palkovsky | 1065 | switch (IPC_GET_METHOD(*call)) { |
2677 | jermar | 1066 | case IPC_M_SHARE_OUT: |
1547 | palkovsky | 1067 | /* We accept one area for data interchange */ |
1555 | palkovsky | 1068 | if (IPC_GET_ARG1(*call) == shm_id) { |
2141 | jermar | 1069 | void *dest = as_get_mappable_page(IPC_GET_ARG2(*call)); |
1555 | palkovsky | 1070 | shm_size = IPC_GET_ARG2(*call); |
4594 | decky | 1071 | if (ipc_answer_1(callid, EOK, (sysarg_t) dest)) { |
1555 | palkovsky | 1072 | shm_id = 0; |
4594 | decky | 1073 | return false; |
1074 | } |
||
1075 | shm = dest; |
||
3707 | decky | 1076 | |
1555 | palkovsky | 1077 | if (shm[0] != 'P') |
3707 | decky | 1078 | return false; |
1079 | |||
1080 | return true; |
||
1547 | palkovsky | 1081 | } else { |
1082 | intersize = IPC_GET_ARG2(*call); |
||
2015 | jermar | 1083 | receive_comm_area(callid, call, (void *) &interbuffer); |
1547 | palkovsky | 1084 | } |
3707 | decky | 1085 | return true; |
1547 | palkovsky | 1086 | case FB_PREPARE_SHM: |
1555 | palkovsky | 1087 | if (shm_id) |
1547 | palkovsky | 1088 | retval = EBUSY; |
1089 | else |
||
1555 | palkovsky | 1090 | shm_id = IPC_GET_ARG1(*call); |
1547 | palkovsky | 1091 | break; |
1092 | |||
1093 | case FB_DROP_SHM: |
||
1555 | palkovsky | 1094 | if (shm) { |
1095 | as_area_destroy(shm); |
||
1096 | shm = NULL; |
||
1547 | palkovsky | 1097 | } |
1555 | palkovsky | 1098 | shm_id = 0; |
1547 | palkovsky | 1099 | break; |
3707 | decky | 1100 | |
1555 | palkovsky | 1101 | case FB_SHM2PIXMAP: |
1102 | if (!shm) { |
||
1103 | retval = EINVAL; |
||
1104 | break; |
||
1105 | } |
||
1106 | retval = shm2pixmap(shm, shm_size); |
||
1107 | break; |
||
1547 | palkovsky | 1108 | case FB_DRAW_PPM: |
1555 | palkovsky | 1109 | if (!shm) { |
1547 | palkovsky | 1110 | retval = EINVAL; |
1111 | break; |
||
1112 | } |
||
1113 | x = IPC_GET_ARG1(*call); |
||
1114 | y = IPC_GET_ARG2(*call); |
||
3707 | decky | 1115 | |
1116 | if ((x > vport->width) || (y > vport->height)) { |
||
1547 | palkovsky | 1117 | retval = EINVAL; |
1118 | break; |
||
1119 | } |
||
1120 | |||
2025 | jermar | 1121 | ppm_draw(shm, shm_size, IPC_GET_ARG1(*call), |
3707 | decky | 1122 | IPC_GET_ARG2(*call), vport->width - x, vport->height - y, putpixel, (void *) vport); |
1547 | palkovsky | 1123 | break; |
1124 | case FB_DRAW_TEXT_DATA: |
||
4167 | svoboda | 1125 | x = IPC_GET_ARG1(*call); |
1126 | y = IPC_GET_ARG2(*call); |
||
1127 | w = IPC_GET_ARG3(*call); |
||
1128 | h = IPC_GET_ARG4(*call); |
||
1547 | palkovsky | 1129 | if (!interbuffer) { |
1130 | retval = EINVAL; |
||
1131 | break; |
||
1132 | } |
||
4167 | svoboda | 1133 | if (x + w > vport->cols || y + h > vport->rows) { |
1547 | palkovsky | 1134 | retval = EINVAL; |
1135 | break; |
||
1136 | } |
||
4167 | svoboda | 1137 | if (intersize < w * h * sizeof(*interbuffer)) { |
1138 | retval = EINVAL; |
||
1139 | break; |
||
1140 | } |
||
1141 | draw_text_data(vport, interbuffer, x, y, w, h); |
||
1547 | palkovsky | 1142 | break; |
1143 | default: |
||
3707 | decky | 1144 | handled = false; |
1547 | palkovsky | 1145 | } |
1146 | |||
1147 | if (handled) |
||
2619 | jermar | 1148 | ipc_answer_0(callid, retval); |
1547 | palkovsky | 1149 | return handled; |
1150 | } |
||
1151 | |||
3707 | decky | 1152 | |
1153 | static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap) |
||
1552 | palkovsky | 1154 | { |
3707 | decky | 1155 | unsigned int width = vport->width; |
1156 | unsigned int height = vport->height; |
||
1157 | |||
1711 | palkovsky | 1158 | if (width + vport->x > screen.xres) |
1159 | width = screen.xres - vport->x; |
||
2301 | decky | 1160 | if (height + vport->y > screen.yres) |
1711 | palkovsky | 1161 | height = screen.yres - vport->y; |
2301 | decky | 1162 | |
3707 | decky | 1163 | unsigned int realwidth = pmap->width <= width ? pmap->width : width; |
1164 | unsigned int realheight = pmap->height <= height ? pmap->height : height; |
||
2301 | decky | 1165 | |
3707 | decky | 1166 | unsigned int srcrowsize = vport->width * screen.pixelbytes; |
1167 | unsigned int realrowsize = realwidth * screen.pixelbytes; |
||
1168 | |||
1169 | unsigned int y; |
||
2301 | decky | 1170 | for (y = 0; y < realheight; y++) { |
3707 | decky | 1171 | unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes; |
1172 | memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize); |
||
1711 | palkovsky | 1173 | } |
1174 | } |
||
1175 | |||
3707 | decky | 1176 | |
1177 | /** Save viewport to pixmap |
||
1178 | * |
||
1179 | */ |
||
1180 | static int save_vp_to_pixmap(viewport_t *vport) |
||
1711 | palkovsky | 1181 | { |
1182 | int pm; |
||
1183 | pixmap_t *pmap; |
||
3707 | decky | 1184 | |
1552 | palkovsky | 1185 | pm = find_free_pixmap(); |
1186 | if (pm == -1) |
||
1187 | return ELIMIT; |
||
1188 | |||
1189 | pmap = &pixmaps[pm]; |
||
1190 | pmap->data = malloc(screen.pixelbytes * vport->width * vport->height); |
||
1191 | if (!pmap->data) |
||
1192 | return ENOMEM; |
||
3707 | decky | 1193 | |
1552 | palkovsky | 1194 | pmap->width = vport->width; |
1195 | pmap->height = vport->height; |
||
3707 | decky | 1196 | |
1711 | palkovsky | 1197 | copy_vp_to_pixmap(vport, pmap); |
1552 | palkovsky | 1198 | |
1199 | return pm; |
||
1200 | } |
||
1201 | |||
3707 | decky | 1202 | |
1552 | palkovsky | 1203 | /** Draw pixmap on screen |
1204 | * |
||
1205 | * @param vp Viewport to draw on |
||
1206 | * @param pm Pixmap identifier |
||
3707 | decky | 1207 | * |
1552 | palkovsky | 1208 | */ |
1209 | static int draw_pixmap(int vp, int pm) |
||
1210 | { |
||
1211 | pixmap_t *pmap = &pixmaps[pm]; |
||
1212 | viewport_t *vport = &viewports[vp]; |
||
3707 | decky | 1213 | |
1214 | unsigned int width = vport->width; |
||
1215 | unsigned int height = vport->height; |
||
1216 | |||
1711 | palkovsky | 1217 | if (width + vport->x > screen.xres) |
1218 | width = screen.xres - vport->x; |
||
1219 | if (height + vport->y > screen.yres) |
||
1220 | height = screen.yres - vport->y; |
||
3707 | decky | 1221 | |
1552 | palkovsky | 1222 | if (!pmap->data) |
1223 | return EINVAL; |
||
3707 | decky | 1224 | |
1225 | unsigned int realwidth = pmap->width <= width ? pmap->width : width; |
||
1226 | unsigned int realheight = pmap->height <= height ? pmap->height : height; |
||
1227 | |||
1228 | unsigned int srcrowsize = vport->width * screen.pixelbytes; |
||
1229 | unsigned int realrowsize = realwidth * screen.pixelbytes; |
||
1230 | |||
1231 | unsigned int y; |
||
2070 | jermar | 1232 | for (y = 0; y < realheight; y++) { |
3707 | decky | 1233 | unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes; |
1234 | memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize); |
||
1552 | palkovsky | 1235 | } |
3707 | decky | 1236 | |
1237 | return EOK; |
||
1552 | palkovsky | 1238 | } |
1239 | |||
3707 | decky | 1240 | |
1241 | /** Tick animation one step forward |
||
1242 | * |
||
1243 | */ |
||
1244 | static void anims_tick(void) |
||
1646 | palkovsky | 1245 | { |
3707 | decky | 1246 | unsigned int i; |
1646 | palkovsky | 1247 | static int counts = 0; |
1248 | |||
1249 | /* Limit redrawing */ |
||
2025 | jermar | 1250 | counts = (counts + 1) % 8; |
1646 | palkovsky | 1251 | if (counts) |
1252 | return; |
||
4316 | decky | 1253 | |
2070 | jermar | 1254 | for (i = 0; i < MAX_ANIMATIONS; i++) { |
3707 | decky | 1255 | if ((!animations[i].animlen) || (!animations[i].initialized) || |
1256 | (!animations[i].enabled)) |
||
1646 | palkovsky | 1257 | continue; |
3707 | decky | 1258 | |
1259 | draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]); |
||
1260 | animations[i].pos = (animations[i].pos + 1) % animations[i].animlen; |
||
1646 | palkovsky | 1261 | } |
1262 | } |
||
1263 | |||
1711 | palkovsky | 1264 | |
3707 | decky | 1265 | static unsigned int pointer_x; |
1266 | static unsigned int pointer_y; |
||
1267 | static bool pointer_shown, pointer_enabled; |
||
1711 | palkovsky | 1268 | static int pointer_vport = -1; |
1269 | static int pointer_pixmap = -1; |
||
1270 | |||
3707 | decky | 1271 | |
1272 | static void mouse_show(void) |
||
1711 | palkovsky | 1273 | { |
2070 | jermar | 1274 | int i, j; |
1711 | palkovsky | 1275 | int visibility; |
1276 | int color; |
||
1277 | int bytepos; |
||
3707 | decky | 1278 | |
1279 | if ((pointer_shown) || (!pointer_enabled)) |
||
1723 | palkovsky | 1280 | return; |
3707 | decky | 1281 | |
3723 | svoboda | 1282 | /* Save image under the pointer. */ |
1711 | palkovsky | 1283 | if (pointer_vport == -1) { |
3707 | decky | 1284 | pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height); |
1711 | palkovsky | 1285 | if (pointer_vport < 0) |
1286 | return; |
||
1287 | } else { |
||
1288 | viewports[pointer_vport].x = pointer_x; |
||
1289 | viewports[pointer_vport].y = pointer_y; |
||
1290 | } |
||
3707 | decky | 1291 | |
1711 | palkovsky | 1292 | if (pointer_pixmap == -1) |
1293 | pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]); |
||
1294 | else |
||
3707 | decky | 1295 | copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]); |
1296 | |||
3723 | svoboda | 1297 | /* Draw mouse pointer. */ |
2025 | jermar | 1298 | for (i = 0; i < pointer_height; i++) |
1299 | for (j = 0; j < pointer_width; j++) { |
||
1300 | bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8; |
||
2070 | jermar | 1301 | visibility = pointer_mask_bits[bytepos] & |
2619 | jermar | 1302 | (1 << (j % 8)); |
1711 | palkovsky | 1303 | if (visibility) { |
2619 | jermar | 1304 | color = pointer_bits[bytepos] & |
1305 | (1 << (j % 8)) ? 0 : 0xffffff; |
||
2025 | jermar | 1306 | if (pointer_x + j < screen.xres && pointer_y + |
2619 | jermar | 1307 | i < screen.yres) |
2025 | jermar | 1308 | putpixel(&viewports[0], pointer_x + j, |
2619 | jermar | 1309 | pointer_y + i, color); |
1711 | palkovsky | 1310 | } |
1311 | } |
||
1312 | pointer_shown = 1; |
||
1313 | } |
||
1314 | |||
3707 | decky | 1315 | |
1316 | static void mouse_hide(void) |
||
1711 | palkovsky | 1317 | { |
3723 | svoboda | 1318 | /* Restore image under the pointer. */ |
1711 | palkovsky | 1319 | if (pointer_shown) { |
1320 | draw_pixmap(pointer_vport, pointer_pixmap); |
||
1321 | pointer_shown = 0; |
||
1322 | } |
||
1323 | } |
||
1324 | |||
3707 | decky | 1325 | |
1326 | static void mouse_move(unsigned int x, unsigned int y) |
||
1711 | palkovsky | 1327 | { |
1328 | mouse_hide(); |
||
1329 | pointer_x = x; |
||
1330 | pointer_y = y; |
||
1331 | mouse_show(); |
||
1332 | } |
||
1333 | |||
3707 | decky | 1334 | |
1335 | static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
||
1646 | palkovsky | 1336 | { |
3707 | decky | 1337 | bool handled = true; |
1338 | int retval = EOK; |
||
1339 | int i, nvp; |
||
1646 | palkovsky | 1340 | int newval; |
3707 | decky | 1341 | |
1646 | palkovsky | 1342 | switch (IPC_GET_METHOD(*call)) { |
1343 | case FB_ANIM_CREATE: |
||
1344 | nvp = IPC_GET_ARG1(*call); |
||
1345 | if (nvp == -1) |
||
1346 | nvp = vp; |
||
2025 | jermar | 1347 | if (nvp >= MAX_VIEWPORTS || nvp < 0 || |
1348 | !viewports[nvp].initialized) { |
||
1646 | palkovsky | 1349 | retval = EINVAL; |
1350 | break; |
||
1351 | } |
||
2025 | jermar | 1352 | for (i = 0; i < MAX_ANIMATIONS; i++) { |
1353 | if (!animations[i].initialized) |
||
1646 | palkovsky | 1354 | break; |
1355 | } |
||
1356 | if (i == MAX_ANIMATIONS) { |
||
1357 | retval = ELIMIT; |
||
1358 | break; |
||
1359 | } |
||
1360 | animations[i].initialized = 1; |
||
1361 | animations[i].animlen = 0; |
||
1362 | animations[i].pos = 0; |
||
1363 | animations[i].enabled = 0; |
||
1364 | animations[i].vp = nvp; |
||
1365 | retval = i; |
||
1366 | break; |
||
1367 | case FB_ANIM_DROP: |
||
1368 | i = IPC_GET_ARG1(*call); |
||
1720 | palkovsky | 1369 | if (i >= MAX_ANIMATIONS || i < 0) { |
1646 | palkovsky | 1370 | retval = EINVAL; |
1371 | break; |
||
1372 | } |
||
1373 | animations[i].initialized = 0; |
||
1374 | break; |
||
1375 | case FB_ANIM_ADDPIXMAP: |
||
1376 | i = IPC_GET_ARG1(*call); |
||
2025 | jermar | 1377 | if (i >= MAX_ANIMATIONS || i < 0 || |
1378 | !animations[i].initialized) { |
||
1646 | palkovsky | 1379 | retval = EINVAL; |
1380 | break; |
||
1381 | } |
||
1382 | if (animations[i].animlen == MAX_ANIM_LEN) { |
||
1383 | retval = ELIMIT; |
||
1384 | break; |
||
1385 | } |
||
1386 | newval = IPC_GET_ARG2(*call); |
||
2025 | jermar | 1387 | if (newval < 0 || newval > MAX_PIXMAPS || |
1388 | !pixmaps[newval].data) { |
||
1646 | palkovsky | 1389 | retval = EINVAL; |
1390 | break; |
||
1391 | } |
||
1392 | animations[i].pixmaps[animations[i].animlen++] = newval; |
||
1393 | break; |
||
1394 | case FB_ANIM_CHGVP: |
||
1395 | i = IPC_GET_ARG1(*call); |
||
1396 | if (i >= MAX_ANIMATIONS || i < 0) { |
||
1397 | retval = EINVAL; |
||
1398 | break; |
||
1399 | } |
||
1400 | nvp = IPC_GET_ARG2(*call); |
||
1401 | if (nvp == -1) |
||
1402 | nvp = vp; |
||
2025 | jermar | 1403 | if (nvp >= MAX_VIEWPORTS || nvp < 0 || |
1404 | !viewports[nvp].initialized) { |
||
1646 | palkovsky | 1405 | retval = EINVAL; |
1406 | break; |
||
1407 | } |
||
1408 | animations[i].vp = nvp; |
||
1409 | break; |
||
1410 | case FB_ANIM_START: |
||
1411 | case FB_ANIM_STOP: |
||
1412 | i = IPC_GET_ARG1(*call); |
||
1413 | if (i >= MAX_ANIMATIONS || i < 0) { |
||
1414 | retval = EINVAL; |
||
1415 | break; |
||
1416 | } |
||
1417 | newval = (IPC_GET_METHOD(*call) == FB_ANIM_START); |
||
1418 | if (newval ^ animations[i].enabled) { |
||
1419 | animations[i].enabled = newval; |
||
1420 | anims_enabled += newval ? 1 : -1; |
||
1421 | } |
||
1422 | break; |
||
1423 | default: |
||
1424 | handled = 0; |
||
1425 | } |
||
1426 | if (handled) |
||
2619 | jermar | 1427 | ipc_answer_0(callid, retval); |
1646 | palkovsky | 1428 | return handled; |
1429 | } |
||
1430 | |||
3707 | decky | 1431 | |
1432 | /** Handler for messages concerning pixmap handling |
||
1433 | * |
||
1434 | */ |
||
1435 | static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
||
1552 | palkovsky | 1436 | { |
3707 | decky | 1437 | bool handled = true; |
1438 | int retval = EOK; |
||
1439 | int i, nvp; |
||
1440 | |||
1552 | palkovsky | 1441 | switch (IPC_GET_METHOD(*call)) { |
1442 | case FB_VP_DRAW_PIXMAP: |
||
1443 | nvp = IPC_GET_ARG1(*call); |
||
1444 | if (nvp == -1) |
||
1445 | nvp = vp; |
||
2025 | jermar | 1446 | if (nvp < 0 || nvp >= MAX_VIEWPORTS || |
1447 | !viewports[nvp].initialized) { |
||
1552 | palkovsky | 1448 | retval = EINVAL; |
1449 | break; |
||
1450 | } |
||
1451 | i = IPC_GET_ARG2(*call); |
||
1452 | retval = draw_pixmap(nvp, i); |
||
1453 | break; |
||
1454 | case FB_VP2PIXMAP: |
||
1455 | nvp = IPC_GET_ARG1(*call); |
||
1456 | if (nvp == -1) |
||
1457 | nvp = vp; |
||
2025 | jermar | 1458 | if (nvp < 0 || nvp >= MAX_VIEWPORTS || |
1459 | !viewports[nvp].initialized) |
||
1552 | palkovsky | 1460 | retval = EINVAL; |
1461 | else |
||
1711 | palkovsky | 1462 | retval = save_vp_to_pixmap(&viewports[nvp]); |
1552 | palkovsky | 1463 | break; |
1464 | case FB_DROP_PIXMAP: |
||
1465 | i = IPC_GET_ARG1(*call); |
||
1466 | if (i >= MAX_PIXMAPS) { |
||
1467 | retval = EINVAL; |
||
1468 | break; |
||
1469 | } |
||
1470 | if (pixmaps[i].data) { |
||
1471 | free(pixmaps[i].data); |
||
1472 | pixmaps[i].data = NULL; |
||
1473 | } |
||
1474 | break; |
||
1475 | default: |
||
1476 | handled = 0; |
||
1477 | } |
||
3707 | decky | 1478 | |
1552 | palkovsky | 1479 | if (handled) |
2619 | jermar | 1480 | ipc_answer_0(callid, retval); |
1552 | palkovsky | 1481 | return handled; |
1482 | |||
1483 | } |
||
1484 | |||
3767 | svoboda | 1485 | static int rgb_from_style(attr_rgb_t *rgb, int style) |
1486 | { |
||
1487 | switch (style) { |
||
1488 | case STYLE_NORMAL: |
||
1489 | rgb->fg_color = color_table[COLOR_BLACK]; |
||
1490 | rgb->bg_color = color_table[COLOR_WHITE]; |
||
1491 | break; |
||
1492 | case STYLE_EMPHASIS: |
||
1493 | rgb->fg_color = color_table[COLOR_RED]; |
||
1494 | rgb->bg_color = color_table[COLOR_WHITE]; |
||
1495 | break; |
||
1496 | default: |
||
1497 | return EINVAL; |
||
1498 | } |
||
1499 | |||
1500 | return EOK; |
||
1501 | } |
||
1502 | |||
1503 | static int rgb_from_idx(attr_rgb_t *rgb, ipcarg_t fg_color, |
||
1504 | ipcarg_t bg_color, ipcarg_t flags) |
||
1505 | { |
||
1506 | fg_color = (fg_color & 7) | ((flags & CATTR_BRIGHT) ? 8 : 0); |
||
1507 | bg_color = (bg_color & 7) | ((flags & CATTR_BRIGHT) ? 8 : 0); |
||
1508 | |||
1509 | rgb->fg_color = color_table[fg_color]; |
||
1510 | rgb->bg_color = color_table[bg_color]; |
||
1511 | |||
1512 | return EOK; |
||
1513 | } |
||
1514 | |||
3792 | svoboda | 1515 | static int rgb_from_attr(attr_rgb_t *rgb, const attrs_t *a) |
1516 | { |
||
1517 | int rc; |
||
1518 | |||
1519 | switch (a->t) { |
||
1520 | case at_style: |
||
1521 | rc = rgb_from_style(rgb, a->a.s.style); |
||
1522 | break; |
||
1523 | case at_idx: |
||
1524 | rc = rgb_from_idx(rgb, a->a.i.fg_color, |
||
1525 | a->a.i.bg_color, a->a.i.flags); |
||
1526 | break; |
||
1527 | case at_rgb: |
||
1528 | *rgb = a->a.r; |
||
1529 | rc = EOK; |
||
1530 | break; |
||
1531 | } |
||
1532 | |||
1533 | return rc; |
||
1534 | } |
||
1535 | |||
3767 | svoboda | 1536 | static int fb_set_style(viewport_t *vport, ipcarg_t style) |
1537 | { |
||
1538 | return rgb_from_style(&vport->attr, (int) style); |
||
1539 | } |
||
1540 | |||
1541 | static int fb_set_color(viewport_t *vport, ipcarg_t fg_color, |
||
1542 | ipcarg_t bg_color, ipcarg_t flags) |
||
1543 | { |
||
1544 | return rgb_from_idx(&vport->attr, fg_color, bg_color, flags); |
||
1545 | } |
||
1546 | |||
1498 | palkovsky | 1547 | /** Function for handling connections to FB |
1548 | * |
||
1549 | */ |
||
3707 | decky | 1550 | static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
1363 | vana | 1551 | { |
3707 | decky | 1552 | unsigned int vp = 0; |
1553 | viewport_t *vport = &viewports[vp]; |
||
1554 | |||
1485 | palkovsky | 1555 | if (client_connected) { |
2619 | jermar | 1556 | ipc_answer_0(iid, ELIMIT); |
1485 | palkovsky | 1557 | return; |
1558 | } |
||
3707 | decky | 1559 | |
1560 | /* Accept connection */ |
||
1561 | client_connected = true; |
||
1562 | ipc_answer_0(iid, EOK); |
||
1563 | |||
1564 | while (true) { |
||
1565 | ipc_callid_t callid; |
||
1566 | ipc_call_t call; |
||
1567 | int retval; |
||
1568 | unsigned int i; |
||
1569 | int scroll; |
||
4232 | svoboda | 1570 | wchar_t ch; |
4457 | decky | 1571 | unsigned int col, row; |
3707 | decky | 1572 | |
1573 | if ((vport->cursor_active) || (anims_enabled)) |
||
2070 | jermar | 1574 | callid = async_get_call_timeout(&call, 250000); |
1640 | palkovsky | 1575 | else |
1576 | callid = async_get_call(&call); |
||
3707 | decky | 1577 | |
1713 | palkovsky | 1578 | mouse_hide(); |
1500 | palkovsky | 1579 | if (!callid) { |
1673 | palkovsky | 1580 | cursor_blink(vport); |
1646 | palkovsky | 1581 | anims_tick(); |
1723 | palkovsky | 1582 | mouse_show(); |
1500 | palkovsky | 1583 | continue; |
1584 | } |
||
3707 | decky | 1585 | |
1547 | palkovsky | 1586 | if (shm_handle(callid, &call, vp)) |
1587 | continue; |
||
3707 | decky | 1588 | |
1552 | palkovsky | 1589 | if (pixmap_handle(callid, &call, vp)) |
1590 | continue; |
||
3707 | decky | 1591 | |
1646 | palkovsky | 1592 | if (anim_handle(callid, &call, vp)) |
1593 | continue; |
||
3707 | decky | 1594 | |
1595 | switch (IPC_GET_METHOD(call)) { |
||
1485 | palkovsky | 1596 | case IPC_M_PHONE_HUNGUP: |
3707 | decky | 1597 | client_connected = false; |
1598 | |||
1599 | /* Cleanup other viewports */ |
||
2025 | jermar | 1600 | for (i = 1; i < MAX_VIEWPORTS; i++) |
3707 | decky | 1601 | vport->initialized = false; |
1602 | |||
1603 | /* Exit thread */ |
||
1604 | return; |
||
1605 | |||
1485 | palkovsky | 1606 | case FB_PUTCHAR: |
4232 | svoboda | 1607 | ch = IPC_GET_ARG1(call); |
4457 | decky | 1608 | col = IPC_GET_ARG2(call); |
1609 | row = IPC_GET_ARG3(call); |
||
3707 | decky | 1610 | |
1611 | if ((col >= vport->cols) || (row >= vport->rows)) { |
||
1485 | palkovsky | 1612 | retval = EINVAL; |
1613 | break; |
||
1614 | } |
||
2619 | jermar | 1615 | ipc_answer_0(callid, EOK); |
3707 | decky | 1616 | |
4232 | svoboda | 1617 | draw_char(vport, ch, col, row); |
3707 | decky | 1618 | |
1619 | /* Message already answered */ |
||
1620 | continue; |
||
1485 | palkovsky | 1621 | case FB_CLEAR: |
3707 | decky | 1622 | vport_clear(vport); |
1623 | cursor_show(vport); |
||
1624 | retval = EOK; |
||
1485 | palkovsky | 1625 | break; |
3707 | decky | 1626 | case FB_CURSOR_GOTO: |
4457 | decky | 1627 | col = IPC_GET_ARG1(call); |
1628 | row = IPC_GET_ARG2(call); |
||
3707 | decky | 1629 | |
1630 | if ((col >= vport->cols) || (row >= vport->rows)) { |
||
1486 | palkovsky | 1631 | retval = EINVAL; |
1632 | break; |
||
1633 | } |
||
3707 | decky | 1634 | retval = EOK; |
1635 | |||
1673 | palkovsky | 1636 | cursor_hide(vport); |
1486 | palkovsky | 1637 | vport->cur_col = col; |
1638 | vport->cur_row = row; |
||
3707 | decky | 1639 | cursor_show(vport); |
1640 | break; |
||
1486 | palkovsky | 1641 | case FB_CURSOR_VISIBILITY: |
1673 | palkovsky | 1642 | cursor_hide(vport); |
1500 | palkovsky | 1643 | vport->cursor_active = IPC_GET_ARG1(call); |
3707 | decky | 1644 | cursor_show(vport); |
1645 | retval = EOK; |
||
1486 | palkovsky | 1646 | break; |
1485 | palkovsky | 1647 | case FB_GET_CSIZE: |
4457 | decky | 1648 | ipc_answer_2(callid, EOK, vport->cols, vport->rows); |
1485 | palkovsky | 1649 | continue; |
4644 | svoboda | 1650 | case FB_GET_COLOR_CAP: |
1651 | ipc_answer_1(callid, EOK, FB_CCAP_RGB); |
||
1652 | continue; |
||
1486 | palkovsky | 1653 | case FB_SCROLL: |
3707 | decky | 1654 | scroll = IPC_GET_ARG1(call); |
1655 | if ((scroll > (int) vport->rows) || (scroll < (-(int) vport->rows))) { |
||
1486 | palkovsky | 1656 | retval = EINVAL; |
1657 | break; |
||
1658 | } |
||
1673 | palkovsky | 1659 | cursor_hide(vport); |
3707 | decky | 1660 | vport_scroll(vport, scroll); |
1661 | cursor_show(vport); |
||
1662 | retval = EOK; |
||
1486 | palkovsky | 1663 | break; |
1664 | case FB_VIEWPORT_SWITCH: |
||
1665 | i = IPC_GET_ARG1(call); |
||
3707 | decky | 1666 | if (i >= MAX_VIEWPORTS) { |
1486 | palkovsky | 1667 | retval = EINVAL; |
1668 | break; |
||
1669 | } |
||
3707 | decky | 1670 | if (!viewports[i].initialized) { |
1486 | palkovsky | 1671 | retval = EADDRNOTAVAIL; |
1672 | break; |
||
1673 | } |
||
1673 | palkovsky | 1674 | cursor_hide(vport); |
1486 | palkovsky | 1675 | vp = i; |
1676 | vport = &viewports[vp]; |
||
3707 | decky | 1677 | cursor_show(vport); |
1678 | retval = EOK; |
||
1486 | palkovsky | 1679 | break; |
1680 | case FB_VIEWPORT_CREATE: |
||
3707 | decky | 1681 | retval = vport_create(IPC_GET_ARG1(call) >> 16, |
2619 | jermar | 1682 | IPC_GET_ARG1(call) & 0xffff, |
1683 | IPC_GET_ARG2(call) >> 16, |
||
1684 | IPC_GET_ARG2(call) & 0xffff); |
||
1486 | palkovsky | 1685 | break; |
1686 | case FB_VIEWPORT_DELETE: |
||
1687 | i = IPC_GET_ARG1(call); |
||
3707 | decky | 1688 | if (i >= MAX_VIEWPORTS) { |
1486 | palkovsky | 1689 | retval = EINVAL; |
1690 | break; |
||
1691 | } |
||
3707 | decky | 1692 | if (!viewports[i].initialized) { |
1486 | palkovsky | 1693 | retval = EADDRNOTAVAIL; |
1694 | break; |
||
1695 | } |
||
3707 | decky | 1696 | viewports[i].initialized = false; |
1697 | if (viewports[i].bgpixel) |
||
1698 | free(viewports[i].bgpixel); |
||
1699 | if (viewports[i].backbuf) |
||
1700 | free(viewports[i].backbuf); |
||
1701 | retval = EOK; |
||
1486 | palkovsky | 1702 | break; |
1703 | case FB_SET_STYLE: |
||
3767 | svoboda | 1704 | retval = fb_set_style(vport, IPC_GET_ARG1(call)); |
1705 | break; |
||
1706 | case FB_SET_COLOR: |
||
1707 | retval = fb_set_color(vport, IPC_GET_ARG1(call), |
||
1708 | IPC_GET_ARG2(call), IPC_GET_ARG3(call)); |
||
1709 | break; |
||
1710 | case FB_SET_RGB_COLOR: |
||
1711 | vport->attr.fg_color = IPC_GET_ARG1(call); |
||
1712 | vport->attr.bg_color = IPC_GET_ARG2(call); |
||
3707 | decky | 1713 | retval = EOK; |
1486 | palkovsky | 1714 | break; |
1715 | case FB_GET_RESOLUTION: |
||
2619 | jermar | 1716 | ipc_answer_2(callid, EOK, screen.xres, screen.yres); |
1486 | palkovsky | 1717 | continue; |
1707 | palkovsky | 1718 | case FB_POINTER_MOVE: |
3707 | decky | 1719 | pointer_enabled = true; |
1711 | palkovsky | 1720 | mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call)); |
3707 | decky | 1721 | retval = EOK; |
1707 | palkovsky | 1722 | break; |
4326 | svoboda | 1723 | case FB_SCREEN_YIELD: |
1724 | case FB_SCREEN_RECLAIM: |
||
4325 | svoboda | 1725 | retval = EOK; |
1726 | break; |
||
1485 | palkovsky | 1727 | default: |
1728 | retval = ENOENT; |
||
1729 | } |
||
2619 | jermar | 1730 | ipc_answer_0(callid, retval); |
1363 | vana | 1731 | } |
1485 | palkovsky | 1732 | } |
1363 | vana | 1733 | |
3707 | decky | 1734 | /** Initialization of framebuffer |
1735 | * |
||
1736 | */ |
||
1737 | int fb_init(void) |
||
1485 | palkovsky | 1738 | { |
1490 | palkovsky | 1739 | async_set_client_connection(fb_client_connection); |
1485 | palkovsky | 1740 | |
3707 | decky | 1741 | void *fb_ph_addr = (void *) sysinfo_value("fb.address.physical"); |
1742 | unsigned int fb_offset = sysinfo_value("fb.offset"); |
||
1743 | unsigned int fb_width = sysinfo_value("fb.width"); |
||
1744 | unsigned int fb_height = sysinfo_value("fb.height"); |
||
1745 | unsigned int fb_scanline = sysinfo_value("fb.scanline"); |
||
1746 | unsigned int fb_visual = sysinfo_value("fb.visual"); |
||
1747 | |||
1748 | unsigned int fbsize = fb_scanline * fb_height; |
||
1749 | void *fb_addr = as_get_mappable_page(fbsize); |
||
1750 | |||
3908 | decky | 1751 | if (physmem_map(fb_ph_addr + fb_offset, fb_addr, |
1752 | ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE) != 0) |
||
1753 | return -1; |
||
3707 | decky | 1754 | |
1755 | if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual)) |
||
1993 | decky | 1756 | return 0; |
1757 | |||
1758 | return -1; |
||
1363 | vana | 1759 | } |
1490 | palkovsky | 1760 | |
3707 | decky | 1761 | /** |
1649 | cejka | 1762 | * @} |
1763 | */ |