| 1 |
/* |
| 2 |
* Copyright (C) 2003-2007 Anders Gavare. All rights reserved. |
| 3 |
* |
| 4 |
* Redistribution and use in source and binary forms, with or without |
| 5 |
* modification, are permitted provided that the following conditions are met: |
| 6 |
* |
| 7 |
* 1. Redistributions of source code must retain the above copyright |
| 8 |
* notice, this list of conditions and the following disclaimer. |
| 9 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 10 |
* notice, this list of conditions and the following disclaimer in the |
| 11 |
* documentation and/or other materials provided with the distribution. |
| 12 |
* 3. The name of the author may not be used to endorse or promote products |
| 13 |
* derived from this software without specific prior written permission. |
| 14 |
* |
| 15 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 16 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 19 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 20 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 21 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 22 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 23 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 24 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 25 |
* SUCH DAMAGE. |
| 26 |
* |
| 27 |
* |
| 28 |
* $Id: dev_fb.c,v 1.129 2007/04/28 09:19:51 debug Exp $ |
| 29 |
* |
| 30 |
* Generic framebuffer device. |
| 31 |
* |
| 32 |
* DECstation VFB01 monochrome framebuffer, 1024x864 |
| 33 |
* DECstation VFB02 8-bit color framebuffer, 1024x864 |
| 34 |
* DECstation Maxine, 1024x768 8-bit color |
| 35 |
* Playstation 2 (24-bit color) |
| 36 |
* Generic (any resolution, several bit depths possible, useful for |
| 37 |
* testmachines) |
| 38 |
* |
| 39 |
* |
| 40 |
* TODO: This should actually be independent of X11, but that |
| 41 |
* might be too hard to do right now. |
| 42 |
* |
| 43 |
* TODO: playstation 2 pixels are stored in another format, actually |
| 44 |
*/ |
| 45 |
|
| 46 |
#include <stdio.h> |
| 47 |
#include <stdlib.h> |
| 48 |
#include <string.h> |
| 49 |
|
| 50 |
#include "console.h" |
| 51 |
#include "cpu.h" |
| 52 |
#include "devices.h" |
| 53 |
#include "machine.h" |
| 54 |
#include "memory.h" |
| 55 |
#include "misc.h" |
| 56 |
#include "x11.h" |
| 57 |
|
| 58 |
#ifdef WITH_X11 |
| 59 |
#include <X11/Xlib.h> |
| 60 |
#include <X11/Xos.h> |
| 61 |
#include <X11/Xutil.h> |
| 62 |
#endif |
| 63 |
|
| 64 |
|
| 65 |
#define FB_TICK_SHIFT 19 |
| 66 |
|
| 67 |
|
| 68 |
/* #define FB_DEBUG */ |
| 69 |
|
| 70 |
/* |
| 71 |
* set_grayscale_palette(): |
| 72 |
* |
| 73 |
* Fill d->rgb_palette with grayscale values. ncolors should |
| 74 |
* be something like 2, 4, 16, or 256. |
| 75 |
*/ |
| 76 |
void set_grayscale_palette(struct vfb_data *d, int ncolors) |
| 77 |
{ |
| 78 |
int i, gray; |
| 79 |
|
| 80 |
for (i=0; i<256; i++) { |
| 81 |
gray = 255*i/(ncolors-1); |
| 82 |
d->rgb_palette[i*3 + 0] = gray; |
| 83 |
d->rgb_palette[i*3 + 1] = gray; |
| 84 |
d->rgb_palette[i*3 + 2] = gray; |
| 85 |
} |
| 86 |
} |
| 87 |
|
| 88 |
|
| 89 |
/* |
| 90 |
* set_blackwhite_palette(): |
| 91 |
* |
| 92 |
* Set color 0 = black, all others to white. |
| 93 |
*/ |
| 94 |
void set_blackwhite_palette(struct vfb_data *d, int ncolors) |
| 95 |
{ |
| 96 |
int i, gray; |
| 97 |
|
| 98 |
for (i=0; i<256; i++) { |
| 99 |
gray = i==0? 0 : 255; |
| 100 |
d->rgb_palette[i*3 + 0] = gray; |
| 101 |
d->rgb_palette[i*3 + 1] = gray; |
| 102 |
d->rgb_palette[i*3 + 2] = gray; |
| 103 |
} |
| 104 |
} |
| 105 |
|
| 106 |
|
| 107 |
static void set_title(struct vfb_data *d) |
| 108 |
{ |
| 109 |
snprintf(d->title, sizeof(d->title),"GXemul: %ix%ix%i %s framebuffer", |
| 110 |
d->visible_xsize, d->visible_ysize, d->bit_depth, d->name); |
| 111 |
d->title[sizeof(d->title)-1] = '\0'; |
| 112 |
} |
| 113 |
|
| 114 |
|
| 115 |
/* |
| 116 |
* dev_fb_resize(): |
| 117 |
* |
| 118 |
* Resize a framebuffer window. (This functionality is probably a bit buggy, |
| 119 |
* because I didn't think of including it from the start.) |
| 120 |
* |
| 121 |
* SUPER-IMPORTANT: Anyone who resizes a framebuffer by calling this function |
| 122 |
* must also clear all dyntrans address translations manually, in all cpus |
| 123 |
* which might have access to the framebuffer! |
| 124 |
*/ |
| 125 |
void dev_fb_resize(struct vfb_data *d, int new_xsize, int new_ysize) |
| 126 |
{ |
| 127 |
unsigned char *new_framebuffer; |
| 128 |
int y, new_bytes_per_line; |
| 129 |
size_t size; |
| 130 |
|
| 131 |
if (d == NULL) { |
| 132 |
fatal("dev_fb_resize(): d == NULL\n"); |
| 133 |
return; |
| 134 |
} |
| 135 |
|
| 136 |
if (new_xsize < 10 || new_ysize < 10) { |
| 137 |
fatal("dev_fb_resize(): size too small.\n"); |
| 138 |
exit(1); |
| 139 |
} |
| 140 |
|
| 141 |
new_bytes_per_line = new_xsize * d->bit_depth / 8; |
| 142 |
size = new_ysize * new_bytes_per_line; |
| 143 |
|
| 144 |
new_framebuffer = malloc(size); |
| 145 |
if (new_framebuffer == NULL) { |
| 146 |
fprintf(stderr, "dev_fb_resize(): out of memory\n"); |
| 147 |
exit(1); |
| 148 |
} |
| 149 |
|
| 150 |
/* Copy the old framebuffer to the new: */ |
| 151 |
if (d->framebuffer != NULL) { |
| 152 |
for (y=0; y<new_ysize; y++) { |
| 153 |
size_t fromofs = d->bytes_per_line * y; |
| 154 |
size_t toofs = new_bytes_per_line * y; |
| 155 |
size_t len_to_copy = d->bytes_per_line < |
| 156 |
new_bytes_per_line? d->bytes_per_line |
| 157 |
: new_bytes_per_line; |
| 158 |
memset(new_framebuffer + toofs, 0, new_bytes_per_line); |
| 159 |
if (y < d->x11_ysize) |
| 160 |
memmove(new_framebuffer + toofs, |
| 161 |
d->framebuffer + fromofs, len_to_copy); |
| 162 |
} |
| 163 |
|
| 164 |
free(d->framebuffer); |
| 165 |
} |
| 166 |
|
| 167 |
d->framebuffer = new_framebuffer; |
| 168 |
d->framebuffer_size = size; |
| 169 |
|
| 170 |
if (new_xsize > d->xsize || new_ysize > d->ysize) { |
| 171 |
d->update_x1 = d->update_y1 = 0; |
| 172 |
d->update_x2 = new_xsize - 1; |
| 173 |
d->update_y2 = new_ysize - 1; |
| 174 |
} |
| 175 |
|
| 176 |
d->bytes_per_line = new_bytes_per_line; |
| 177 |
d->xsize = d->visible_xsize = new_xsize; |
| 178 |
d->ysize = d->visible_ysize = new_ysize; |
| 179 |
|
| 180 |
d->x11_xsize = d->xsize / d->vfb_scaledown; |
| 181 |
d->x11_ysize = d->ysize / d->vfb_scaledown; |
| 182 |
|
| 183 |
memory_device_update_data(d->memory, d, d->framebuffer); |
| 184 |
|
| 185 |
set_title(d); |
| 186 |
|
| 187 |
#ifdef WITH_X11 |
| 188 |
if (d->fb_window != NULL) { |
| 189 |
x11_fb_resize(d->fb_window, new_xsize, new_ysize); |
| 190 |
x11_set_standard_properties(d->fb_window, d->title); |
| 191 |
} |
| 192 |
#endif |
| 193 |
} |
| 194 |
|
| 195 |
|
| 196 |
/* |
| 197 |
* dev_fb_setcursor(): |
| 198 |
*/ |
| 199 |
void dev_fb_setcursor(struct vfb_data *d, int cursor_x, int cursor_y, int on, |
| 200 |
int cursor_xsize, int cursor_ysize) |
| 201 |
{ |
| 202 |
if (cursor_x < 0) |
| 203 |
cursor_x = 0; |
| 204 |
if (cursor_y < 0) |
| 205 |
cursor_y = 0; |
| 206 |
if (cursor_x + cursor_xsize >= d->xsize) |
| 207 |
cursor_x = d->xsize - cursor_xsize; |
| 208 |
if (cursor_y + cursor_ysize >= d->ysize) |
| 209 |
cursor_y = d->ysize - cursor_ysize; |
| 210 |
|
| 211 |
#ifdef WITH_X11 |
| 212 |
if (d->fb_window != NULL) { |
| 213 |
d->fb_window->cursor_x = cursor_x; |
| 214 |
d->fb_window->cursor_y = cursor_y; |
| 215 |
d->fb_window->cursor_on = on; |
| 216 |
d->fb_window->cursor_xsize = cursor_xsize; |
| 217 |
d->fb_window->cursor_ysize = cursor_ysize; |
| 218 |
} |
| 219 |
#endif |
| 220 |
|
| 221 |
/* debug("dev_fb_setcursor(%i,%i, size %i,%i, on=%i)\n", |
| 222 |
cursor_x, cursor_y, cursor_xsize, cursor_ysize, on); */ |
| 223 |
} |
| 224 |
|
| 225 |
|
| 226 |
/* |
| 227 |
* framebuffer_blockcopyfill(): |
| 228 |
* |
| 229 |
* This function should be used by devices that are capable of doing |
| 230 |
* block copy/fill. |
| 231 |
* |
| 232 |
* If fillflag is non-zero, then fill_[rgb] should contain the color |
| 233 |
* with which to fill. (In 8-bit mode, only fill_r is used.) |
| 234 |
* |
| 235 |
* If fillflag is zero, copy mode is used, and from_[xy] should contain |
| 236 |
* the offset on the framebuffer where we should copy from. |
| 237 |
* |
| 238 |
* NOTE: Overlapping copies are undefined! |
| 239 |
*/ |
| 240 |
void framebuffer_blockcopyfill(struct vfb_data *d, int fillflag, int fill_r, |
| 241 |
int fill_g, int fill_b, int x1, int y1, int x2, int y2, |
| 242 |
int from_x, int from_y) |
| 243 |
{ |
| 244 |
int x, y; |
| 245 |
long from_ofs, dest_ofs, linelen; |
| 246 |
|
| 247 |
if (fillflag) |
| 248 |
debug("framebuffer_blockcopyfill(FILL, %i,%i, %i,%i, " |
| 249 |
"color %i,%i,%i)\n", x1,y1, x2,y2, fill_r, fill_g, fill_b); |
| 250 |
else |
| 251 |
debug("framebuffer_blockcopyfill(COPY, %i,%i, %i,%i, from " |
| 252 |
"%i,%i)\n", x1,y1, x2,y2, from_x,from_y); |
| 253 |
|
| 254 |
/* Clip x: */ |
| 255 |
if (x1 < 0) x1 = 0; |
| 256 |
if (x1 >= d->xsize) x1 = d->xsize-1; |
| 257 |
if (x2 < 0) x2 = 0; |
| 258 |
if (x2 >= d->xsize) x2 = d->xsize-1; |
| 259 |
|
| 260 |
dest_ofs = d->bytes_per_line * y1 + (d->bit_depth/8) * x1; |
| 261 |
linelen = (x2-x1 + 1) * (d->bit_depth/8); |
| 262 |
/* NOTE: linelen is nr of bytes, not pixels */ |
| 263 |
|
| 264 |
if (fillflag) { |
| 265 |
for (y=y1; y<=y2; y++) { |
| 266 |
if (y>=0 && y<d->ysize) { |
| 267 |
unsigned char *buf = |
| 268 |
d->framebuffer + dest_ofs; |
| 269 |
|
| 270 |
if (d->bit_depth == 24) { |
| 271 |
for (x=0; x<linelen && x < |
| 272 |
(int) sizeof(buf); x += 3) { |
| 273 |
buf[x] = fill_r; |
| 274 |
buf[x+1] = fill_g; |
| 275 |
buf[x+2] = fill_b; |
| 276 |
} |
| 277 |
} else if (d->bit_depth == 8) { |
| 278 |
memset(buf, fill_r, linelen); |
| 279 |
} else { |
| 280 |
fatal("Unimplemented bit-depth (%i)" |
| 281 |
" for fb fill\n", d->bit_depth); |
| 282 |
exit(1); |
| 283 |
} |
| 284 |
} |
| 285 |
|
| 286 |
dest_ofs += d->bytes_per_line; |
| 287 |
} |
| 288 |
} else { |
| 289 |
from_ofs = d->bytes_per_line * from_y + |
| 290 |
(d->bit_depth/8) * from_x; |
| 291 |
for (y=y1; y<=y2; y++) { |
| 292 |
if (y >= 0 && y < d->ysize) { |
| 293 |
if (from_y >= 0 && from_y < d->ysize) |
| 294 |
memmove(d->framebuffer + dest_ofs, |
| 295 |
d->framebuffer + from_ofs, linelen); |
| 296 |
else |
| 297 |
memset(d->framebuffer + dest_ofs, |
| 298 |
0, linelen); |
| 299 |
} |
| 300 |
from_y ++; |
| 301 |
from_ofs += d->bytes_per_line; |
| 302 |
dest_ofs += d->bytes_per_line; |
| 303 |
} |
| 304 |
} |
| 305 |
|
| 306 |
if (x1 < d->update_x1 || d->update_x1 == -1) d->update_x1 = x1; |
| 307 |
if (x1 > d->update_x2 || d->update_x2 == -1) d->update_x2 = x1; |
| 308 |
if (x2 < d->update_x1 || d->update_x1 == -1) d->update_x1 = x2; |
| 309 |
if (x2 > d->update_x2 || d->update_x2 == -1) d->update_x2 = x2; |
| 310 |
|
| 311 |
if (y1 < d->update_y1 || d->update_y1 == -1) d->update_y1 = y1; |
| 312 |
if (y1 > d->update_y2 || d->update_y2 == -1) d->update_y2 = y1; |
| 313 |
if (y2 < d->update_y1 || d->update_y1 == -1) d->update_y1 = y2; |
| 314 |
if (y2 > d->update_y2 || d->update_y2 == -1) d->update_y2 = y2; |
| 315 |
} |
| 316 |
|
| 317 |
|
| 318 |
#ifdef WITH_X11 |
| 319 |
|
| 320 |
#define REDRAW redraw_fallback |
| 321 |
#include "fb_include.c" |
| 322 |
#undef REDRAW |
| 323 |
|
| 324 |
#define FB_24 |
| 325 |
#define REDRAW redraw_24 |
| 326 |
#include "fb_include.c" |
| 327 |
#undef REDRAW |
| 328 |
#undef FB_24 |
| 329 |
#define FB_16 |
| 330 |
#define REDRAW redraw_16 |
| 331 |
#include "fb_include.c" |
| 332 |
#undef FB_16 |
| 333 |
#undef REDRAW |
| 334 |
#define FB_15 |
| 335 |
#define REDRAW redraw_15 |
| 336 |
#include "fb_include.c" |
| 337 |
#undef REDRAW |
| 338 |
#undef FB_15 |
| 339 |
|
| 340 |
#define FB_BO |
| 341 |
#define FB_24 |
| 342 |
#define REDRAW redraw_24_bo |
| 343 |
#include "fb_include.c" |
| 344 |
#undef REDRAW |
| 345 |
#undef FB_24 |
| 346 |
#define FB_16 |
| 347 |
#define REDRAW redraw_16_bo |
| 348 |
#include "fb_include.c" |
| 349 |
#undef FB_16 |
| 350 |
#undef REDRAW |
| 351 |
#define FB_15 |
| 352 |
#define REDRAW redraw_15_bo |
| 353 |
#include "fb_include.c" |
| 354 |
#undef REDRAW |
| 355 |
#undef FB_15 |
| 356 |
#undef FB_BO |
| 357 |
|
| 358 |
#define FB_SCALEDOWN |
| 359 |
|
| 360 |
#define REDRAW redraw_fallback_sd |
| 361 |
#include "fb_include.c" |
| 362 |
#undef REDRAW |
| 363 |
|
| 364 |
#define FB_24 |
| 365 |
#define REDRAW redraw_24_sd |
| 366 |
#include "fb_include.c" |
| 367 |
#undef REDRAW |
| 368 |
#undef FB_24 |
| 369 |
#define FB_16 |
| 370 |
#define REDRAW redraw_16_sd |
| 371 |
#include "fb_include.c" |
| 372 |
#undef FB_16 |
| 373 |
#undef REDRAW |
| 374 |
#define FB_15 |
| 375 |
#define REDRAW redraw_15_sd |
| 376 |
#include "fb_include.c" |
| 377 |
#undef REDRAW |
| 378 |
#undef FB_15 |
| 379 |
|
| 380 |
#define FB_BO |
| 381 |
#define FB_24 |
| 382 |
#define REDRAW redraw_24_bo_sd |
| 383 |
#include "fb_include.c" |
| 384 |
#undef REDRAW |
| 385 |
#undef FB_24 |
| 386 |
#define FB_16 |
| 387 |
#define REDRAW redraw_16_bo_sd |
| 388 |
#include "fb_include.c" |
| 389 |
#undef FB_16 |
| 390 |
#undef REDRAW |
| 391 |
#define FB_15 |
| 392 |
#define REDRAW redraw_15_bo_sd |
| 393 |
#include "fb_include.c" |
| 394 |
#undef REDRAW |
| 395 |
#undef FB_15 |
| 396 |
#undef FB_BO |
| 397 |
|
| 398 |
void (*redraw[2 * 4 * 2])(struct vfb_data *, int, int) = { |
| 399 |
redraw_fallback, redraw_fallback, |
| 400 |
redraw_15, redraw_15_bo, |
| 401 |
redraw_16, redraw_16_bo, |
| 402 |
redraw_24, redraw_24_bo, |
| 403 |
redraw_fallback_sd, redraw_fallback_sd, |
| 404 |
redraw_15_sd, redraw_15_bo_sd, |
| 405 |
redraw_16_sd, redraw_16_bo_sd, |
| 406 |
redraw_24_sd, redraw_24_bo_sd }; |
| 407 |
|
| 408 |
#endif /* WITH_X11 */ |
| 409 |
|
| 410 |
|
| 411 |
DEVICE_TICK(fb) |
| 412 |
{ |
| 413 |
struct vfb_data *d = extra; |
| 414 |
#ifdef WITH_X11 |
| 415 |
int need_to_flush_x11 = 0; |
| 416 |
int need_to_redraw_cursor = 0; |
| 417 |
#endif |
| 418 |
|
| 419 |
if (!cpu->machine->use_x11) |
| 420 |
return; |
| 421 |
|
| 422 |
do { |
| 423 |
uint64_t high, low = (uint64_t)(int64_t) -1; |
| 424 |
int x, y; |
| 425 |
|
| 426 |
memory_device_dyntrans_access(cpu, cpu->mem, |
| 427 |
extra, &low, &high); |
| 428 |
if ((int64_t)low == -1) |
| 429 |
break; |
| 430 |
|
| 431 |
/* printf("low=%016llx high=%016llx\n", |
| 432 |
(long long)low, (long long)high); */ |
| 433 |
|
| 434 |
x = (low % d->bytes_per_line) * 8 / d->bit_depth; |
| 435 |
y = low / d->bytes_per_line; |
| 436 |
if (x < d->update_x1 || d->update_x1 == -1) |
| 437 |
d->update_x1 = x; |
| 438 |
if (x > d->update_x2 || d->update_x2 == -1) |
| 439 |
d->update_x2 = x; |
| 440 |
if (y < d->update_y1 || d->update_y1 == -1) |
| 441 |
d->update_y1 = y; |
| 442 |
if (y > d->update_y2 || d->update_y2 == -1) |
| 443 |
d->update_y2 = y; |
| 444 |
|
| 445 |
x = ((low+7) % d->bytes_per_line) * 8 / d->bit_depth; |
| 446 |
y = (low+7) / d->bytes_per_line; |
| 447 |
if (x < d->update_x1 || d->update_x1 == -1) |
| 448 |
d->update_x1 = x; |
| 449 |
if (x > d->update_x2 || d->update_x2 == -1) |
| 450 |
d->update_x2 = x; |
| 451 |
if (y < d->update_y1 || d->update_y1 == -1) |
| 452 |
d->update_y1 = y; |
| 453 |
if (y > d->update_y2 || d->update_y2 == -1) |
| 454 |
d->update_y2 = y; |
| 455 |
|
| 456 |
x = (high % d->bytes_per_line) * 8 / d->bit_depth; |
| 457 |
y = high / d->bytes_per_line; |
| 458 |
if (x < d->update_x1 || d->update_x1 == -1) |
| 459 |
d->update_x1 = x; |
| 460 |
if (x > d->update_x2 || d->update_x2 == -1) |
| 461 |
d->update_x2 = x; |
| 462 |
if (y < d->update_y1 || d->update_y1 == -1) |
| 463 |
d->update_y1 = y; |
| 464 |
if (y > d->update_y2 || d->update_y2 == -1) |
| 465 |
d->update_y2 = y; |
| 466 |
|
| 467 |
x = ((high+7) % d->bytes_per_line) * 8 / d->bit_depth; |
| 468 |
y = (high+7) / d->bytes_per_line; |
| 469 |
if (x < d->update_x1 || d->update_x1 == -1) |
| 470 |
d->update_x1 = x; |
| 471 |
if (x > d->update_x2 || d->update_x2 == -1) |
| 472 |
d->update_x2 = x; |
| 473 |
if (y < d->update_y1 || d->update_y1 == -1) |
| 474 |
d->update_y1 = y; |
| 475 |
if (y > d->update_y2 || d->update_y2 == -1) |
| 476 |
d->update_y2 = y; |
| 477 |
|
| 478 |
/* |
| 479 |
* An update covering more than one line will automatically |
| 480 |
* force an update of all the affected lines: |
| 481 |
*/ |
| 482 |
if (d->update_y1 != d->update_y2) { |
| 483 |
d->update_x1 = 0; |
| 484 |
d->update_x2 = d->xsize-1; |
| 485 |
} |
| 486 |
} while (0); |
| 487 |
|
| 488 |
#ifdef WITH_X11 |
| 489 |
/* Do we need to redraw the cursor? */ |
| 490 |
if (d->fb_window->cursor_on != d->fb_window->OLD_cursor_on || |
| 491 |
d->fb_window->cursor_x != d->fb_window->OLD_cursor_x || |
| 492 |
d->fb_window->cursor_y != d->fb_window->OLD_cursor_y || |
| 493 |
d->fb_window->cursor_xsize != d->fb_window->OLD_cursor_xsize || |
| 494 |
d->fb_window->cursor_ysize != d->fb_window->OLD_cursor_ysize) |
| 495 |
need_to_redraw_cursor = 1; |
| 496 |
|
| 497 |
if (d->update_x2 != -1) { |
| 498 |
if (((d->update_x1 >= d->fb_window->OLD_cursor_x && |
| 499 |
d->update_x1 < (d->fb_window->OLD_cursor_x + |
| 500 |
d->fb_window->OLD_cursor_xsize)) || |
| 501 |
(d->update_x2 >= d->fb_window->OLD_cursor_x && |
| 502 |
d->update_x2 < (d->fb_window->OLD_cursor_x + |
| 503 |
d->fb_window->OLD_cursor_xsize)) || |
| 504 |
(d->update_x1 < d->fb_window->OLD_cursor_x && |
| 505 |
d->update_x2 >= (d->fb_window->OLD_cursor_x + |
| 506 |
d->fb_window->OLD_cursor_xsize)) ) && |
| 507 |
( (d->update_y1 >= d->fb_window->OLD_cursor_y && |
| 508 |
d->update_y1 < (d->fb_window->OLD_cursor_y + |
| 509 |
d->fb_window->OLD_cursor_ysize)) || |
| 510 |
(d->update_y2 >= d->fb_window->OLD_cursor_y && |
| 511 |
d->update_y2 < (d->fb_window->OLD_cursor_y + |
| 512 |
d->fb_window->OLD_cursor_ysize)) || |
| 513 |
(d->update_y1 < d->fb_window->OLD_cursor_y && |
| 514 |
d->update_y2 >= (d->fb_window->OLD_cursor_y + |
| 515 |
d->fb_window->OLD_cursor_ysize)) ) ) |
| 516 |
need_to_redraw_cursor = 1; |
| 517 |
} |
| 518 |
|
| 519 |
if (need_to_redraw_cursor) { |
| 520 |
/* Remove old cursor, if any: */ |
| 521 |
if (d->fb_window->OLD_cursor_on) { |
| 522 |
XPutImage(d->fb_window->x11_display, |
| 523 |
d->fb_window->x11_fb_window, |
| 524 |
d->fb_window->x11_fb_gc, d->fb_window->fb_ximage, |
| 525 |
d->fb_window->OLD_cursor_x/d->vfb_scaledown, |
| 526 |
d->fb_window->OLD_cursor_y/d->vfb_scaledown, |
| 527 |
d->fb_window->OLD_cursor_x/d->vfb_scaledown, |
| 528 |
d->fb_window->OLD_cursor_y/d->vfb_scaledown, |
| 529 |
d->fb_window->OLD_cursor_xsize/d->vfb_scaledown + 1, |
| 530 |
d->fb_window->OLD_cursor_ysize/d->vfb_scaledown +1); |
| 531 |
} |
| 532 |
} |
| 533 |
#endif |
| 534 |
|
| 535 |
if (d->update_x2 != -1) { |
| 536 |
#ifdef WITH_X11 |
| 537 |
int y; |
| 538 |
#endif |
| 539 |
int addr, addr2, q = d->vfb_scaledown; |
| 540 |
|
| 541 |
if (d->update_x1 >= d->visible_xsize) |
| 542 |
d->update_x1 = d->visible_xsize - 1; |
| 543 |
if (d->update_x2 >= d->visible_xsize) |
| 544 |
d->update_x2 = d->visible_xsize - 1; |
| 545 |
if (d->update_y1 >= d->visible_ysize) |
| 546 |
d->update_y1 = d->visible_ysize - 1; |
| 547 |
if (d->update_y2 >= d->visible_ysize) |
| 548 |
d->update_y2 = d->visible_ysize - 1; |
| 549 |
|
| 550 |
/* Without these, we might miss the rightmost/bottom pixel: */ |
| 551 |
d->update_x2 += (q - 1); |
| 552 |
d->update_y2 += (q - 1); |
| 553 |
|
| 554 |
d->update_x1 = d->update_x1 / q * q; |
| 555 |
d->update_x2 = d->update_x2 / q * q; |
| 556 |
d->update_y1 = d->update_y1 / q * q; |
| 557 |
d->update_y2 = d->update_y2 / q * q; |
| 558 |
|
| 559 |
addr = d->update_y1 * d->bytes_per_line + |
| 560 |
d->update_x1 * d->bit_depth / 8; |
| 561 |
addr2 = d->update_y1 * d->bytes_per_line + |
| 562 |
d->update_x2 * d->bit_depth / 8; |
| 563 |
|
| 564 |
#ifdef WITH_X11 |
| 565 |
for (y=d->update_y1; y<=d->update_y2; y+=q) { |
| 566 |
d->redraw_func(d, addr, addr2 - addr); |
| 567 |
addr += d->bytes_per_line * q; |
| 568 |
addr2 += d->bytes_per_line * q; |
| 569 |
} |
| 570 |
|
| 571 |
XPutImage(d->fb_window->x11_display, d->fb_window-> |
| 572 |
x11_fb_window, d->fb_window->x11_fb_gc, d->fb_window-> |
| 573 |
fb_ximage, d->update_x1/d->vfb_scaledown, d->update_y1/ |
| 574 |
d->vfb_scaledown, d->update_x1/d->vfb_scaledown, |
| 575 |
d->update_y1/d->vfb_scaledown, |
| 576 |
(d->update_x2 - d->update_x1)/d->vfb_scaledown + 1, |
| 577 |
(d->update_y2 - d->update_y1)/d->vfb_scaledown + 1); |
| 578 |
|
| 579 |
need_to_flush_x11 = 1; |
| 580 |
#endif |
| 581 |
|
| 582 |
d->update_x1 = d->update_y1 = 99999; |
| 583 |
d->update_x2 = d->update_y2 = -1; |
| 584 |
} |
| 585 |
|
| 586 |
#ifdef WITH_X11 |
| 587 |
if (need_to_redraw_cursor) { |
| 588 |
/* Paint new cursor: */ |
| 589 |
if (d->fb_window->cursor_on) { |
| 590 |
x11_redraw_cursor(cpu->machine, |
| 591 |
d->fb_window->fb_number); |
| 592 |
d->fb_window->OLD_cursor_on = d->fb_window->cursor_on; |
| 593 |
d->fb_window->OLD_cursor_x = d->fb_window->cursor_x; |
| 594 |
d->fb_window->OLD_cursor_y = d->fb_window->cursor_y; |
| 595 |
d->fb_window->OLD_cursor_xsize = d->fb_window-> |
| 596 |
cursor_xsize; |
| 597 |
d->fb_window->OLD_cursor_ysize = d->fb_window-> |
| 598 |
cursor_ysize; |
| 599 |
need_to_flush_x11 = 1; |
| 600 |
} |
| 601 |
} |
| 602 |
#endif |
| 603 |
|
| 604 |
#ifdef WITH_X11 |
| 605 |
if (need_to_flush_x11) |
| 606 |
XFlush(d->fb_window->x11_display); |
| 607 |
#endif |
| 608 |
} |
| 609 |
|
| 610 |
|
| 611 |
DEVICE_ACCESS(fb) |
| 612 |
{ |
| 613 |
struct vfb_data *d = extra; |
| 614 |
size_t i; |
| 615 |
|
| 616 |
#ifdef FB_DEBUG |
| 617 |
if (writeflag == MEM_WRITE) { if (data[0]) { |
| 618 |
fatal("[ dev_fb: write to addr=%08lx, data = ", |
| 619 |
(long)relative_addr); |
| 620 |
for (i=0; i<len; i++) |
| 621 |
fatal("%02x ", data[i]); |
| 622 |
fatal("]\n"); |
| 623 |
} else { |
| 624 |
fatal("[ dev_fb: read from addr=%08lx, data = ", |
| 625 |
(long)relative_addr); |
| 626 |
for (i=0; i<len; i++) |
| 627 |
fatal("%02x ", d->framebuffer[relative_addr + i]); |
| 628 |
fatal("]\n"); |
| 629 |
} |
| 630 |
#endif |
| 631 |
|
| 632 |
if (relative_addr >= d->framebuffer_size) |
| 633 |
return 0; |
| 634 |
|
| 635 |
/* See if a write actually modifies the framebuffer contents: */ |
| 636 |
if (writeflag == MEM_WRITE) { |
| 637 |
for (i=0; i<len; i++) { |
| 638 |
if (data[i] != d->framebuffer[relative_addr + i]) |
| 639 |
break; |
| 640 |
|
| 641 |
/* If all bytes are equal to what is already stored |
| 642 |
in the framebuffer, then simply return: */ |
| 643 |
if (i == len-1) |
| 644 |
return 1; |
| 645 |
} |
| 646 |
} |
| 647 |
|
| 648 |
/* |
| 649 |
* If the framebuffer is modified, then we should keep a track |
| 650 |
* of which area(s) we modify, so that the display isn't updated |
| 651 |
* unnecessarily. |
| 652 |
*/ |
| 653 |
if (writeflag == MEM_WRITE && cpu->machine->use_x11) { |
| 654 |
int x, y, x2,y2; |
| 655 |
|
| 656 |
x = (relative_addr % d->bytes_per_line) * 8 / d->bit_depth; |
| 657 |
y = relative_addr / d->bytes_per_line; |
| 658 |
x2 = ((relative_addr + len) % d->bytes_per_line) |
| 659 |
* 8 / d->bit_depth; |
| 660 |
y2 = (relative_addr + len) / d->bytes_per_line; |
| 661 |
|
| 662 |
if (x < d->update_x1 || d->update_x1 == -1) |
| 663 |
d->update_x1 = x; |
| 664 |
if (x > d->update_x2 || d->update_x2 == -1) |
| 665 |
d->update_x2 = x; |
| 666 |
|
| 667 |
if (y < d->update_y1 || d->update_y1 == -1) |
| 668 |
d->update_y1 = y; |
| 669 |
if (y > d->update_y2 || d->update_y2 == -1) |
| 670 |
d->update_y2 = y; |
| 671 |
|
| 672 |
if (x2 < d->update_x1 || d->update_x1 == -1) |
| 673 |
d->update_x1 = x2; |
| 674 |
if (x2 > d->update_x2 || d->update_x2 == -1) |
| 675 |
d->update_x2 = x2; |
| 676 |
|
| 677 |
if (y2 < d->update_y1 || d->update_y1 == -1) |
| 678 |
d->update_y1 = y2; |
| 679 |
if (y2 > d->update_y2 || d->update_y2 == -1) |
| 680 |
d->update_y2 = y2; |
| 681 |
|
| 682 |
/* |
| 683 |
* An update covering more than one line will automatically |
| 684 |
* force an update of all the affected lines: |
| 685 |
*/ |
| 686 |
if (y != y2) { |
| 687 |
d->update_x1 = 0; |
| 688 |
d->update_x2 = d->xsize-1; |
| 689 |
} |
| 690 |
} |
| 691 |
|
| 692 |
/* |
| 693 |
* Read from/write to the framebuffer: |
| 694 |
* (TODO: take the color_plane_mask into account) |
| 695 |
* |
| 696 |
* Calling memcpy() is probably overkill, as it usually is just one |
| 697 |
* or a few bytes that are read/written at a time. |
| 698 |
*/ |
| 699 |
if (writeflag == MEM_WRITE) { |
| 700 |
if (len > 8) |
| 701 |
memcpy(d->framebuffer + relative_addr, data, len); |
| 702 |
else { |
| 703 |
for (i=0; i<len; i++) |
| 704 |
d->framebuffer[relative_addr + i] = data[i]; |
| 705 |
} |
| 706 |
} else { |
| 707 |
if (len > 8) |
| 708 |
memcpy(data, d->framebuffer + relative_addr, len); |
| 709 |
else { |
| 710 |
for (i=0; i<len; i++) |
| 711 |
data[i] = d->framebuffer[relative_addr + i]; |
| 712 |
} |
| 713 |
} |
| 714 |
|
| 715 |
return 1; |
| 716 |
} |
| 717 |
|
| 718 |
|
| 719 |
/* |
| 720 |
* dev_fb_init(): |
| 721 |
* |
| 722 |
* This function is big and ugly, but the point is to initialize a framebuffer |
| 723 |
* device. :-) |
| 724 |
* |
| 725 |
* visible_xsize and visible_ysize are the sizes of the visible display area. |
| 726 |
* xsize and ysize tell how much memory is actually allocated (for example |
| 727 |
* visible_xsize could be 640, but xsize could be 1024, for better alignment). |
| 728 |
* |
| 729 |
* vfb_type is useful for selecting special features. |
| 730 |
* |
| 731 |
* type = VFB_GENERIC is the most useful type, especially when bit_depth = 24. |
| 732 |
* |
| 733 |
* VFB_DEC_VFB01, _VFB02, and VFB_DEC_MAXINE are DECstation specific. |
| 734 |
* |
| 735 |
* VFB_HPC is like generic, but the color encoding is done as on HPCmips |
| 736 |
* and Dreamcast. |
| 737 |
* |
| 738 |
* If bit_depth = -15 (note the minus sign), then a special hack is used for |
| 739 |
* the Playstation Portable's 5-bit R, 5-bit G, 5-bit B. |
| 740 |
*/ |
| 741 |
struct vfb_data *dev_fb_init(struct machine *machine, struct memory *mem, |
| 742 |
uint64_t baseaddr, int vfb_type, int visible_xsize, int visible_ysize, |
| 743 |
int xsize, int ysize, int bit_depth, char *name) |
| 744 |
{ |
| 745 |
struct vfb_data *d; |
| 746 |
size_t size, nlen; |
| 747 |
int flags; |
| 748 |
int reverse_start = 0; |
| 749 |
char *name2; |
| 750 |
|
| 751 |
d = malloc(sizeof(struct vfb_data)); |
| 752 |
if (d == NULL) { |
| 753 |
fprintf(stderr, "out of memory\n"); |
| 754 |
exit(1); |
| 755 |
} |
| 756 |
memset(d, 0, sizeof(struct vfb_data)); |
| 757 |
|
| 758 |
if (vfb_type & VFB_REVERSE_START) { |
| 759 |
vfb_type &= ~VFB_REVERSE_START; |
| 760 |
reverse_start = 1; |
| 761 |
} |
| 762 |
|
| 763 |
d->memory = mem; |
| 764 |
d->vfb_type = vfb_type; |
| 765 |
|
| 766 |
/* Defaults: */ |
| 767 |
d->xsize = xsize; d->visible_xsize = visible_xsize; |
| 768 |
d->ysize = ysize; d->visible_ysize = visible_ysize; |
| 769 |
|
| 770 |
d->bit_depth = bit_depth; |
| 771 |
|
| 772 |
if (bit_depth == 15) { |
| 773 |
d->color32k = 1; |
| 774 |
bit_depth = d->bit_depth = 16; |
| 775 |
} else if (bit_depth == -15) { |
| 776 |
d->psp_15bit = 1; |
| 777 |
bit_depth = d->bit_depth = 16; |
| 778 |
} |
| 779 |
|
| 780 |
/* Specific types: */ |
| 781 |
switch (vfb_type) { |
| 782 |
case VFB_DEC_VFB01: |
| 783 |
/* DECstation VFB01 (monochrome) */ |
| 784 |
d->xsize = 2048; d->visible_xsize = 1024; |
| 785 |
d->ysize = 1024; d->visible_ysize = 864; |
| 786 |
d->bit_depth = 1; |
| 787 |
break; |
| 788 |
case VFB_DEC_VFB02: |
| 789 |
/* DECstation VFB02 (color) */ |
| 790 |
d->xsize = 1024; d->visible_xsize = 1024; |
| 791 |
d->ysize = 1024; d->visible_ysize = 864; |
| 792 |
d->bit_depth = 8; |
| 793 |
break; |
| 794 |
case VFB_DEC_MAXINE: |
| 795 |
/* DECstation Maxine (1024x768x8) */ |
| 796 |
d->xsize = 1024; d->visible_xsize = d->xsize; |
| 797 |
d->ysize = 768; d->visible_ysize = d->ysize; |
| 798 |
d->bit_depth = 8; |
| 799 |
break; |
| 800 |
case VFB_PLAYSTATION2: |
| 801 |
/* Playstation 2 */ |
| 802 |
d->xsize = xsize; d->visible_xsize = d->xsize; |
| 803 |
d->ysize = ysize; d->visible_ysize = d->ysize; |
| 804 |
d->bit_depth = 24; |
| 805 |
break; |
| 806 |
} |
| 807 |
|
| 808 |
if (d->bit_depth == 2 || d->bit_depth == 4) |
| 809 |
set_grayscale_palette(d, 1 << d->bit_depth); |
| 810 |
else if (d->bit_depth == 8 || d->bit_depth == 1) |
| 811 |
set_blackwhite_palette(d, 1 << d->bit_depth); |
| 812 |
|
| 813 |
d->vfb_scaledown = machine->x11_scaledown; |
| 814 |
|
| 815 |
d->bytes_per_line = d->xsize * d->bit_depth / 8; |
| 816 |
size = d->ysize * d->bytes_per_line; |
| 817 |
|
| 818 |
d->framebuffer = malloc(size); |
| 819 |
if (d->framebuffer == NULL) { |
| 820 |
fprintf(stderr, "out of memory\n"); |
| 821 |
exit(1); |
| 822 |
} |
| 823 |
|
| 824 |
/* Clear the framebuffer (all black pixels): */ |
| 825 |
d->framebuffer_size = size; |
| 826 |
memset(d->framebuffer, reverse_start? 255 : 0, size); |
| 827 |
|
| 828 |
d->x11_xsize = d->visible_xsize / d->vfb_scaledown; |
| 829 |
d->x11_ysize = d->visible_ysize / d->vfb_scaledown; |
| 830 |
|
| 831 |
/* Only "update" from the start if we need to fill with white. */ |
| 832 |
/* (The Ximage will be black from the start anyway.) */ |
| 833 |
if (reverse_start) { |
| 834 |
d->update_x1 = d->update_y1 = 0; |
| 835 |
d->update_x2 = d->xsize - 1; |
| 836 |
d->update_y2 = d->ysize - 1; |
| 837 |
} else { |
| 838 |
d->update_x1 = d->update_y1 = 99999; |
| 839 |
d->update_x2 = d->update_y2 = -1; |
| 840 |
} |
| 841 |
|
| 842 |
d->name = strdup(name); |
| 843 |
set_title(d); |
| 844 |
|
| 845 |
#ifdef WITH_X11 |
| 846 |
if (machine->use_x11) { |
| 847 |
int i = 0; |
| 848 |
d->fb_window = x11_fb_init(d->x11_xsize, d->x11_ysize, |
| 849 |
d->title, machine->x11_scaledown, machine); |
| 850 |
switch (d->fb_window->x11_screen_depth) { |
| 851 |
case 15: i = 2; break; |
| 852 |
case 16: i = 4; break; |
| 853 |
case 24: i = 6; break; |
| 854 |
} |
| 855 |
if (d->fb_window->fb_ximage->byte_order) |
| 856 |
i ++; |
| 857 |
if (d->vfb_scaledown > 1) |
| 858 |
i += 8; |
| 859 |
d->redraw_func = redraw[i]; |
| 860 |
} else |
| 861 |
#endif |
| 862 |
d->fb_window = NULL; |
| 863 |
|
| 864 |
nlen = strlen(name) + 10; |
| 865 |
name2 = malloc(nlen); |
| 866 |
if (name2 == NULL) { |
| 867 |
fprintf(stderr, "out of memory in dev_fb_init()\n"); |
| 868 |
exit(1); |
| 869 |
} |
| 870 |
snprintf(name2, nlen, "fb [%s]", name); |
| 871 |
|
| 872 |
flags = DM_DEFAULT; |
| 873 |
if ((baseaddr & 0xfff) == 0) |
| 874 |
flags = DM_DYNTRANS_OK | DM_DYNTRANS_WRITE_OK; |
| 875 |
|
| 876 |
flags |= DM_READS_HAVE_NO_SIDE_EFFECTS; |
| 877 |
|
| 878 |
memory_device_register(mem, name2, baseaddr, size, dev_fb_access, |
| 879 |
d, flags, d->framebuffer); |
| 880 |
|
| 881 |
machine_add_tickfunction(machine, dev_fb_tick, d, FB_TICK_SHIFT, 0.0); |
| 882 |
return d; |
| 883 |
} |
| 884 |
|
Parent Directory
| 
Revision Log