Files
@ r20856:bfa55154b686
Branch filter:
Location: cpp/openttd-patchpack/source/src/video/cocoa/fullscreen.mm
r20856:bfa55154b686
18.1 KiB
text/x-objective-c++
(svn r25900) -Change [FS#5677]: Allow restricted flows to be picked for kept cargo.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/******************************************************************************
* Cocoa video driver *
* Known things left to do: *
* Scale© the old pixel buffer to the new one when switching resolution. *
******************************************************************************/
#ifdef WITH_COCOA
#include "../../stdafx.h"
#define Rect OTTDRect
#define Point OTTDPoint
#import <Cocoa/Cocoa.h>
#undef Rect
#undef Point
#include "../../debug.h"
#include "../../core/geometry_type.hpp"
#include "../../core/sort_func.hpp"
#include "cocoa_v.h"
#include "../../gfx_func.h"
#include "../../os/macosx/macos.h"
/**
* Important notice regarding all modifications!!!!!!!
* There are certain limitations because the file is objective C++.
* gdb has limitations.
* C++ and objective C code can't be joined in all cases (classes stuff).
* Read http://developer.apple.com/releasenotes/Cocoa/Objective-C++.html for more information.
*/
/* From Menus.h (according to Xcode Developer Documentation) */
extern "C" void ShowMenuBar();
extern "C" void HideMenuBar();
/* Structure for rez switch gamma fades
* We can hide the monitor flicker by setting the gamma tables to 0
*/
#define QZ_GAMMA_TABLE_SIZE 256
struct OTTD_QuartzGammaTable {
CGGammaValue red[QZ_GAMMA_TABLE_SIZE];
CGGammaValue green[QZ_GAMMA_TABLE_SIZE];
CGGammaValue blue[QZ_GAMMA_TABLE_SIZE];
};
/* Add methods to get at private members of NSScreen.
* Since there is a bug in Apple's screen switching code that does not update
* this variable when switching to fullscreen, we'll set it manually (but only
* for the main screen).
*/
@interface NSScreen (NSScreenAccess)
- (void) setFrame:(NSRect)frame;
@end
@implementation NSScreen (NSScreenAccess)
- (void) setFrame:(NSRect)frame
{
/* The 64 bits libraries don't seem to know about _frame, so this hack won't work. */
#if !__LP64__
_frame = frame;
#endif
}
@end
static int CDECL ModeSorter(const OTTD_Point *p1, const OTTD_Point *p2)
{
if (p1->x < p2->x) return -1;
if (p1->x > p2->x) return +1;
if (p1->y < p2->y) return -1;
if (p1->y > p2->y) return +1;
return 0;
}
uint QZ_ListModes(OTTD_Point *modes, uint max_modes, CGDirectDisplayID display_id, int device_depth)
{
CFArrayRef mode_list = CGDisplayAvailableModes(display_id);
CFIndex num_modes = CFArrayGetCount(mode_list);
/* Build list of modes with the requested bpp */
uint count = 0;
for (CFIndex i = 0; i < num_modes && count < max_modes; i++) {
int intvalue, bpp;
uint16 width, height;
CFDictionaryRef onemode = (const __CFDictionary*)CFArrayGetValueAtIndex(mode_list, i);
CFNumberRef number = (const __CFNumber*)CFDictionaryGetValue(onemode, kCGDisplayBitsPerPixel);
CFNumberGetValue(number, kCFNumberSInt32Type, &bpp);
if (bpp != device_depth) continue;
number = (const __CFNumber*)CFDictionaryGetValue(onemode, kCGDisplayWidth);
CFNumberGetValue(number, kCFNumberSInt32Type, &intvalue);
width = (uint16)intvalue;
number = (const __CFNumber*)CFDictionaryGetValue(onemode, kCGDisplayHeight);
CFNumberGetValue(number, kCFNumberSInt32Type, &intvalue);
height = (uint16)intvalue;
/* Check if mode is already in the list */
bool hasMode = false;
for (uint i = 0; i < count; i++) {
if (modes[i].x == width && modes[i].y == height) {
hasMode = true;
break;
}
}
if (hasMode) continue;
/* Add mode to the list */
modes[count].x = width;
modes[count].y = height;
count++;
}
/* Sort list smallest to largest */
QSortT(modes, count, &ModeSorter);
return count;
}
/** Small function to test if the main display can display 8 bpp in fullscreen */
bool QZ_CanDisplay8bpp()
{
/* 8bpp modes are deprecated starting in 10.5. CoreGraphics will return them
* as available in the display list, but many features (e.g. palette animation)
* will be broken. */
if (MacOSVersionIsAtLeast(10, 5, 0)) return false;
OTTD_Point p;
/* We want to know if 8 bpp is possible in fullscreen and not anything about
* resolutions. Because of this we want to fill a list of 1 resolution of 8 bpp
* on display 0 (main) and return if we found one. */
return QZ_ListModes(&p, 1, 0, 8);
}
class FullscreenSubdriver: public CocoaSubdriver {
CGDirectDisplayID display_id; ///< 0 == main display (only support single display)
CFDictionaryRef cur_mode; ///< current mode of the display
CFDictionaryRef save_mode; ///< original mode of the display
CGDirectPaletteRef palette; ///< palette of an 8-bit display
/* Gamma functions to try to hide the flash from a res switch
* Fade the display from normal to black
* Save gamma tables for fade back to normal
*/
uint32 FadeGammaOut(OTTD_QuartzGammaTable *table)
{
CGGammaValue redTable[QZ_GAMMA_TABLE_SIZE];
CGGammaValue greenTable[QZ_GAMMA_TABLE_SIZE];
CGGammaValue blueTable[QZ_GAMMA_TABLE_SIZE];
unsigned int actual;
if (CGGetDisplayTransferByTable(this->display_id, QZ_GAMMA_TABLE_SIZE, table->red, table->green, table->blue, &actual) != CGDisplayNoErr
|| actual != QZ_GAMMA_TABLE_SIZE) {
return 1;
}
memcpy(redTable, table->red, sizeof(redTable));
memcpy(greenTable, table->green, sizeof(greenTable));
memcpy(blueTable, table->blue, sizeof(greenTable));
for (float percent = 1.0; percent >= 0.0; percent -= 0.01) {
for (int j = 0; j < QZ_GAMMA_TABLE_SIZE; j++) {
redTable[j] = redTable[j] * percent;
greenTable[j] = greenTable[j] * percent;
blueTable[j] = blueTable[j] * percent;
}
if (CGSetDisplayTransferByTable(this->display_id, QZ_GAMMA_TABLE_SIZE, redTable, greenTable, blueTable) != CGDisplayNoErr) {
CGDisplayRestoreColorSyncSettings();
return 1;
}
CSleep(10);
}
return 0;
}
/* Fade the display from black to normal
* Restore previously saved gamma values
*/
uint32 FadeGammaIn(const OTTD_QuartzGammaTable *table)
{
CGGammaValue redTable[QZ_GAMMA_TABLE_SIZE];
CGGammaValue greenTable[QZ_GAMMA_TABLE_SIZE];
CGGammaValue blueTable[QZ_GAMMA_TABLE_SIZE];
memset(redTable, 0, sizeof(redTable));
memset(greenTable, 0, sizeof(greenTable));
memset(blueTable, 0, sizeof(greenTable));
for (float percent = 0.0; percent <= 1.0; percent += 0.01) {
for (int j = 0; j < QZ_GAMMA_TABLE_SIZE; j++) {
redTable[j] = table->red[j] * percent;
greenTable[j] = table->green[j] * percent;
blueTable[j] = table->blue[j] * percent;
}
if (CGSetDisplayTransferByTable(this->display_id, QZ_GAMMA_TABLE_SIZE, redTable, greenTable, blueTable) != CGDisplayNoErr) {
CGDisplayRestoreColorSyncSettings();
return 1;
}
CSleep(10);
}
return 0;
}
/** Wait for the VBL to occur (estimated since we don't have a hardware interrupt) */
void WaitForVerticalBlank()
{
/* The VBL delay is based on Ian Ollmann's RezLib <iano@cco.caltech.edu> */
CFNumberRef refreshRateCFNumber = (const __CFNumber*)CFDictionaryGetValue(this->cur_mode, kCGDisplayRefreshRate);
if (refreshRateCFNumber == NULL) return;
double refreshRate;
if (CFNumberGetValue(refreshRateCFNumber, kCFNumberDoubleType, &refreshRate) == 0) return;
if (refreshRate == 0) return;
double linesPerSecond = refreshRate * this->device_height;
double target = this->device_height;
/* Figure out the first delay so we start off about right */
double position = CGDisplayBeamPosition(this->display_id);
if (position > target) position = 0;
double adjustment = (target - position) / linesPerSecond;
CSleep((uint32)(adjustment * 1000));
}
bool SetVideoMode(int w, int h, int bpp)
{
/* Define this variables at the top (against coding style) because
* otherwise GCC 4.2 barfs at the goto's jumping over variable initialization. */
NSRect screen_rect;
int gamma_error;
NSPoint mouseLocation;
/* Destroy any previous mode */
if (this->pixel_buffer != NULL) {
free(this->pixel_buffer);
this->pixel_buffer = NULL;
}
/* See if requested mode exists */
boolean_t exact_match;
this->cur_mode = CGDisplayBestModeForParameters(this->display_id, bpp, w, h, &exact_match);
/* If the mode wasn't an exact match, check if it has the right bpp, and update width and height */
if (!exact_match) {
int act_bpp;
CFNumberRef number = (const __CFNumber*) CFDictionaryGetValue(this->cur_mode, kCGDisplayBitsPerPixel);
CFNumberGetValue(number, kCFNumberSInt32Type, &act_bpp);
if (act_bpp != bpp) {
DEBUG(driver, 0, "Failed to find display resolution");
goto ERR_NO_MATCH;
}
number = (const __CFNumber*)CFDictionaryGetValue(this->cur_mode, kCGDisplayWidth);
CFNumberGetValue(number, kCFNumberSInt32Type, &w);
number = (const __CFNumber*)CFDictionaryGetValue(this->cur_mode, kCGDisplayHeight);
CFNumberGetValue(number, kCFNumberSInt32Type, &h);
}
/* Capture the main screen */
CGDisplayCapture(this->display_id);
/* Store the mouse coordinates relative to the total screen */
mouseLocation = [ NSEvent mouseLocation ];
mouseLocation.x /= this->device_width;
mouseLocation.y /= this->device_height;
/* Fade display to zero gamma */
OTTD_QuartzGammaTable gamma_table;
gamma_error = this->FadeGammaOut(&gamma_table);
/* Put up the blanking window (a window above all other windows) */
if (CGDisplayCapture(this->display_id) != CGDisplayNoErr ) {
DEBUG(driver, 0, "Failed capturing display");
goto ERR_NO_CAPTURE;
}
/* Do the physical switch */
if (CGDisplaySwitchToMode(this->display_id, this->cur_mode) != CGDisplayNoErr) {
DEBUG(driver, 0, "Failed switching display resolution");
goto ERR_NO_SWITCH;
}
/* Since CGDisplayBaseAddress and CGDisplayBytesPerRow are no longer available on 10.7,
* disable until a replacement can be found. */
if (MacOSVersionIsAtLeast(10, 7, 0)) {
this->window_buffer = NULL;
this->window_pitch = 0;
} else {
#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7)
this->window_buffer = CGDisplayBaseAddress(this->display_id);
this->window_pitch = CGDisplayBytesPerRow(this->display_id);
#endif
}
this->device_width = CGDisplayPixelsWide(this->display_id);
this->device_height = CGDisplayPixelsHigh(this->display_id);
this->device_depth = bpp;
/* Setup double-buffer emulation */
this->pixel_buffer = malloc(this->device_width * this->device_height * this->device_depth / 8);
if (this->pixel_buffer == NULL) {
DEBUG(driver, 0, "Failed to allocate memory for double buffering");
goto ERR_DOUBLEBUF;
}
if (this->device_depth == 8 && !CGDisplayCanSetPalette(this->display_id)) {
DEBUG(driver, 0, "Not an indexed display mode.");
goto ERR_NOT_INDEXED;
}
/* If we don't hide menu bar, it will get events and interrupt the program */
HideMenuBar();
/* Hide the OS cursor */
CGDisplayHideCursor(this->display_id);
/* Fade the display to original gamma */
if (!gamma_error) FadeGammaIn(&gamma_table);
/* There is a bug in Cocoa where NSScreen doesn't synchronize
* with CGDirectDisplay, so the main screen's frame is wrong.
* As a result, coordinate translation produces incorrect results.
* We can hack around this bug by setting the screen rect ourselves.
* This hack should be removed if/when the bug is fixed.
*/
screen_rect = NSMakeRect(0, 0, this->device_width, this->device_height);
[ [ NSScreen mainScreen ] setFrame:screen_rect ];
this->UpdatePalette(0, 256);
/* Move the mouse cursor to approx. the same location */
CGPoint display_mouseLocation;
display_mouseLocation.x = mouseLocation.x * this->device_width;
display_mouseLocation.y = this->device_height - (mouseLocation.y * this->device_height);
_cursor.in_window = true;
CGDisplayMoveCursorToPoint(this->display_id, display_mouseLocation);
return true;
/* Since the blanking window covers *all* windows (even force quit) correct recovery is crucial */
ERR_NOT_INDEXED:
free(this->pixel_buffer);
this->pixel_buffer = NULL;
ERR_DOUBLEBUF:
CGDisplaySwitchToMode(this->display_id, this->save_mode);
ERR_NO_SWITCH:
CGReleaseAllDisplays();
ERR_NO_CAPTURE:
if (!gamma_error) this->FadeGammaIn(&gamma_table);
ERR_NO_MATCH:
this->device_width = 0;
this->device_height = 0;
return false;
}
void RestoreVideoMode()
{
/* Release fullscreen resources */
OTTD_QuartzGammaTable gamma_table;
int gamma_error = this->FadeGammaOut(&gamma_table);
/* Restore original screen resolution/bpp */
CGDisplaySwitchToMode(this->display_id, this->save_mode);
CGReleaseAllDisplays();
/* Bring back the cursor */
CGDisplayShowCursor(this->display_id);
ShowMenuBar();
/* Reset the main screen's rectangle
* See comment in SetVideoMode for why we do this */
NSRect screen_rect = NSMakeRect(0, 0, CGDisplayPixelsWide(this->display_id), CGDisplayPixelsHigh(this->display_id));
[ [ NSScreen mainScreen ] setFrame:screen_rect ];
/* Destroy the pixel buffer */
if (this->pixel_buffer != NULL) {
free(this->pixel_buffer);
this->pixel_buffer = NULL;
}
if (!gamma_error) this->FadeGammaIn(&gamma_table);
this->device_width = CGDisplayPixelsWide(this->display_id);
this->device_height = CGDisplayPixelsHigh(this->display_id);
}
public:
FullscreenSubdriver()
{
/* Initialize the video settings; this data persists between mode switches */
this->display_id = kCGDirectMainDisplay;
this->save_mode = CGDisplayCurrentMode(this->display_id);
this->palette = CGPaletteCreateDefaultColorPalette();
this->device_width = CGDisplayPixelsWide(this->display_id);
this->device_height = CGDisplayPixelsHigh(this->display_id);
this->device_depth = 0;
this->pixel_buffer = NULL;
this->num_dirty_rects = MAX_DIRTY_RECTS;
}
virtual ~FullscreenSubdriver()
{
this->RestoreVideoMode();
}
virtual void Draw(bool force_update)
{
const uint8 *src = (uint8 *)this->pixel_buffer;
uint8 *dst = (uint8 *)this->window_buffer;
uint pitch = this->window_pitch;
uint width = this->device_width;
uint num_dirty = this->num_dirty_rects;
uint bytesperpixel = this->device_depth / 8;
/* Check if we need to do anything */
if (num_dirty == 0) return;
if (num_dirty >= MAX_DIRTY_RECTS) {
num_dirty = 1;
this->dirty_rects[0].left = 0;
this->dirty_rects[0].top = 0;
this->dirty_rects[0].right = this->device_width;
this->dirty_rects[0].bottom = this->device_height;
}
WaitForVerticalBlank();
/* Build the region of dirty rectangles */
for (uint i = 0; i < num_dirty; i++) {
uint y = this->dirty_rects[i].top;
uint left = this->dirty_rects[i].left;
uint length = this->dirty_rects[i].right - left;
uint bottom = this->dirty_rects[i].bottom;
for (; y < bottom; y++) {
memcpy(dst + y * pitch + left * bytesperpixel, src + y * width * bytesperpixel + left * bytesperpixel, length * bytesperpixel);
}
}
this->num_dirty_rects = 0;
}
virtual void MakeDirty(int left, int top, int width, int height)
{
if (this->num_dirty_rects < MAX_DIRTY_RECTS) {
this->dirty_rects[this->num_dirty_rects].left = left;
this->dirty_rects[this->num_dirty_rects].top = top;
this->dirty_rects[this->num_dirty_rects].right = left + width;
this->dirty_rects[this->num_dirty_rects].bottom = top + height;
}
this->num_dirty_rects++;
}
virtual void UpdatePalette(uint first_color, uint num_colors)
{
if (this->device_depth != 8) return;
for (uint32_t index = first_color; index < first_color + num_colors; index++) {
/* Clamp colors between 0.0 and 1.0 */
CGDeviceColor color;
color.red = _cur_palette.palette[index].r / 255.0;
color.blue = _cur_palette.palette[index].b / 255.0;
color.green = _cur_palette.palette[index].g / 255.0;
CGPaletteSetColorAtIndex(this->palette, color, index);
}
CGDisplaySetPalette(this->display_id, this->palette);
}
virtual uint ListModes(OTTD_Point *modes, uint max_modes)
{
return QZ_ListModes(modes, max_modes, this->display_id, this->device_depth);
}
virtual bool ChangeResolution(int w, int h, int bpp)
{
int old_width = this->device_width;
int old_height = this->device_height;
int old_bpp = this->device_depth;
if (bpp != 8 && bpp != 32) error("Cocoa: This video driver only supports 8 and 32 bpp blitters.");
if (SetVideoMode(w, h, bpp)) return true;
if (old_width != 0 && old_height != 0) SetVideoMode(old_width, old_height, old_bpp);
return false;
}
virtual bool IsFullscreen()
{
return true;
}
virtual int GetWidth()
{
return this->device_width;
}
virtual int GetHeight()
{
return this->device_height;
}
virtual void *GetPixelBuffer()
{
return this->pixel_buffer;
}
/*
* Convert local coordinate to window server (CoreGraphics) coordinate.
* In fullscreen mode this just means copying the coords.
*/
virtual CGPoint PrivateLocalToCG(NSPoint *p)
{
return CGPointMake(p->x, p->y);
}
virtual NSPoint GetMouseLocation(NSEvent *event)
{
NSPoint pt = [ NSEvent mouseLocation ];
pt.y = this->device_height - pt.y;
return pt;
}
virtual bool MouseIsInsideView(NSPoint *pt)
{
return pt->x >= 0 && pt->y >= 0 && pt->x < this->device_width && pt->y < this->device_height;
}
virtual bool IsActive()
{
return true;
}
};
CocoaSubdriver *QZ_CreateFullscreenSubdriver(int width, int height, int bpp)
{
/* OSX 10.7 doesn't support this way of the fullscreen driver. If we end up here
* OpenTTD was compiled without SDK 10.7 available and - and thus we don't support
* fullscreen mode in OSX 10.7 or higher, as necessary elements for this way have
* been removed from the API.
*/
if (MacOSVersionIsAtLeast(10, 7, 0)) {
return NULL;
}
FullscreenSubdriver *ret = new FullscreenSubdriver();
if (!ret->ChangeResolution(width, height, bpp)) {
delete ret;
return NULL;
}
return ret;
}
#endif /* WITH_COCOA */
|