| 1 |
cebix |
1.1 |
/* |
| 2 |
|
|
* video_screen.h - Full screen video modes |
| 3 |
|
|
* |
| 4 |
|
|
* SheepShaver (C) 1997-2002 Marc Hellwig and Christian Bauer |
| 5 |
|
|
* |
| 6 |
|
|
* This program is free software; you can redistribute it and/or modify |
| 7 |
|
|
* it under the terms of the GNU General Public License as published by |
| 8 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
|
|
* (at your option) any later version. |
| 10 |
|
|
* |
| 11 |
|
|
* This program is distributed in the hope that it will be useful, |
| 12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
|
|
* GNU General Public License for more details. |
| 15 |
|
|
* |
| 16 |
|
|
* You should have received a copy of the GNU General Public License |
| 17 |
|
|
* along with this program; if not, write to the Free Software |
| 18 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
|
|
*/ |
| 20 |
|
|
|
| 21 |
|
|
|
| 22 |
|
|
static bool drawing_enable = false; // This flag indicated if the access to the screen is allowed |
| 23 |
|
|
static int page_num; // Index of the currently displayed buffer |
| 24 |
|
|
|
| 25 |
|
|
|
| 26 |
|
|
// Blitter functions |
| 27 |
|
|
typedef void (*bitblt_ptr)(int32, int32, int32, int32, int32, int32); |
| 28 |
|
|
static bitblt_ptr bitblt_hook; |
| 29 |
|
|
typedef void (*fillrect8_ptr)(int32, int32, int32, int32, uint8); |
| 30 |
|
|
static fillrect8_ptr fillrect8_hook; |
| 31 |
|
|
typedef void (*fillrect32_ptr)(int32, int32, int32, int32, uint32); |
| 32 |
|
|
static fillrect32_ptr fillrect32_hook; |
| 33 |
|
|
typedef void (*invrect_ptr)(int32, int32, int32, int32); |
| 34 |
|
|
static invrect_ptr invrect_hook; |
| 35 |
|
|
typedef void (*sync_ptr)(void); |
| 36 |
|
|
static sync_ptr sync_hook; |
| 37 |
|
|
|
| 38 |
|
|
|
| 39 |
|
|
class MacScreen : public BWindowScreen { |
| 40 |
|
|
public: |
| 41 |
|
|
MacScreen(const char *name, uint32 space); |
| 42 |
|
|
virtual ~MacScreen(); |
| 43 |
|
|
virtual void Quit(void); |
| 44 |
|
|
virtual void ScreenConnected(bool active); |
| 45 |
|
|
|
| 46 |
|
|
bool palette_changed; |
| 47 |
|
|
|
| 48 |
|
|
private: |
| 49 |
|
|
static status_t tick_func(void *arg); |
| 50 |
|
|
|
| 51 |
|
|
BView *view; // Main view for GetMouse() |
| 52 |
|
|
|
| 53 |
|
|
uint8 *frame_backup; // Frame buffer backup when switching from/to different workspace |
| 54 |
|
|
bool quitting; // Flag for ScreenConnected: We are quitting, don't pause emulator thread |
| 55 |
|
|
bool first; // Flag for ScreenConnected: This is the first time we become active |
| 56 |
|
|
|
| 57 |
|
|
thread_id tick_thread; |
| 58 |
|
|
bool tick_thread_active; |
| 59 |
|
|
}; |
| 60 |
|
|
|
| 61 |
|
|
|
| 62 |
|
|
// Pointer to our screen |
| 63 |
|
|
static MacScreen *the_screen = NULL; |
| 64 |
|
|
|
| 65 |
|
|
// Error code from BWindowScreen constructor |
| 66 |
|
|
static status_t screen_error; |
| 67 |
|
|
|
| 68 |
|
|
// to enable debugger mode. |
| 69 |
|
|
#define SCREEN_DEBUG false |
| 70 |
|
|
|
| 71 |
|
|
|
| 72 |
|
|
/* |
| 73 |
|
|
* Screen constructor |
| 74 |
|
|
*/ |
| 75 |
|
|
|
| 76 |
|
|
MacScreen::MacScreen(const char *name, uint32 space) : BWindowScreen(name, space, &screen_error, SCREEN_DEBUG), tick_thread(-1) |
| 77 |
|
|
{ |
| 78 |
|
|
D(bug("Screen constructor\n")); |
| 79 |
|
|
|
| 80 |
|
|
// Set all variables |
| 81 |
|
|
frame_backup = NULL; |
| 82 |
|
|
palette_changed = false; |
| 83 |
|
|
quitting = false; |
| 84 |
|
|
first = true; |
| 85 |
|
|
drawing_enable = false; |
| 86 |
|
|
ADBSetRelMouseMode(true); |
| 87 |
|
|
|
| 88 |
|
|
// Create view to poll the mouse |
| 89 |
|
|
view = new BView (BRect(0,0,VModes[cur_mode].viXsize-1,VModes[cur_mode].viYsize-1),NULL,B_FOLLOW_NONE,0); |
| 90 |
|
|
AddChild(view); |
| 91 |
|
|
|
| 92 |
|
|
// Start 60Hz interrupt |
| 93 |
|
|
tick_thread_active = true; |
| 94 |
|
|
tick_thread = spawn_thread(tick_func, "Polling sucks...", B_DISPLAY_PRIORITY, this); |
| 95 |
|
|
RegisterThread(tick_thread); |
| 96 |
|
|
resume_thread(tick_thread); |
| 97 |
|
|
|
| 98 |
|
|
// Add filter for keyboard and mouse events |
| 99 |
|
|
BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func); |
| 100 |
|
|
AddCommonFilter(filter); |
| 101 |
|
|
D(bug("Screen constructor done\n")); |
| 102 |
|
|
} |
| 103 |
|
|
|
| 104 |
|
|
|
| 105 |
|
|
/* |
| 106 |
|
|
* Screen destructor |
| 107 |
|
|
*/ |
| 108 |
|
|
|
| 109 |
|
|
MacScreen::~MacScreen() |
| 110 |
|
|
{ |
| 111 |
|
|
D(bug("Screen destructor, quitting tick thread\n")); |
| 112 |
|
|
|
| 113 |
|
|
// Stop 60Hz interrupt |
| 114 |
|
|
if (tick_thread > 0) { |
| 115 |
|
|
status_t l; |
| 116 |
|
|
tick_thread_active = false; |
| 117 |
|
|
while (wait_for_thread(tick_thread, &l) == B_INTERRUPTED) ; |
| 118 |
|
|
} |
| 119 |
|
|
D(bug("tick thread quit\n")); |
| 120 |
|
|
|
| 121 |
|
|
// Tell the emulator that we're done |
| 122 |
|
|
the_screen = NULL; |
| 123 |
|
|
D(bug("Screen destructor done\n")); |
| 124 |
|
|
} |
| 125 |
|
|
|
| 126 |
|
|
|
| 127 |
|
|
/* |
| 128 |
|
|
* Screen closed |
| 129 |
|
|
*/ |
| 130 |
|
|
|
| 131 |
|
|
void MacScreen::Quit(void) |
| 132 |
|
|
{ |
| 133 |
|
|
// Tell ScreenConnected() that we are quitting |
| 134 |
|
|
quitting = true; |
| 135 |
|
|
D(bug("MacScreen::Quit(), disconnecting\n")); |
| 136 |
|
|
Disconnect(); |
| 137 |
|
|
D(bug("disconnected\n")); |
| 138 |
|
|
BWindowScreen::Quit(); |
| 139 |
|
|
} |
| 140 |
|
|
|
| 141 |
|
|
|
| 142 |
|
|
/* |
| 143 |
|
|
* Screen connected/disconnected |
| 144 |
|
|
*/ |
| 145 |
|
|
|
| 146 |
|
|
void MacScreen::ScreenConnected(bool active) |
| 147 |
|
|
{ |
| 148 |
|
|
D(bug("ScreenConnected(%d)\n", active)); |
| 149 |
|
|
graphics_card_info *info = CardInfo(); |
| 150 |
|
|
D(bug(" card_info %p\n", info)); |
| 151 |
|
|
|
| 152 |
|
|
if (active) { |
| 153 |
|
|
|
| 154 |
|
|
// Read graphics parameters |
| 155 |
|
|
D(bug(" active\n")); |
| 156 |
|
|
screen_base = (uint32)info->frame_buffer; |
| 157 |
|
|
D(bug(" screen_base %p\n", screen_base)); |
| 158 |
|
|
VModes[cur_mode].viRowBytes = info->bytes_per_row; |
| 159 |
|
|
D(bug(" xmod %d\n", info->bytes_per_row)); |
| 160 |
|
|
|
| 161 |
|
|
// Get acceleration functions |
| 162 |
|
|
if (PrefsFindBool("gfxaccel")) { |
| 163 |
|
|
bitblt_hook = (bitblt_ptr)CardHookAt(7); |
| 164 |
|
|
D(bug(" bitblt_hook %p\n", bitblt_hook)); |
| 165 |
|
|
fillrect8_hook = (fillrect8_ptr)CardHookAt(5); |
| 166 |
|
|
D(bug(" fillrect8_hook %p\n", fillrect8_hook)); |
| 167 |
|
|
fillrect32_hook = (fillrect32_ptr)CardHookAt(6); |
| 168 |
|
|
D(bug(" fillrect32_hook %p\n", fillrect32_hook)); |
| 169 |
|
|
invrect_hook = (invrect_ptr)CardHookAt(11); |
| 170 |
|
|
D(bug(" invrect_hook %p\n", invrect_hook)); |
| 171 |
|
|
sync_hook = (sync_ptr)CardHookAt(10); |
| 172 |
|
|
D(bug(" sync_hook %p\n", sync_hook)); |
| 173 |
|
|
} else { |
| 174 |
|
|
bitblt_hook = NULL; |
| 175 |
|
|
fillrect8_hook = NULL; |
| 176 |
|
|
fillrect32_hook = NULL; |
| 177 |
|
|
invrect_hook = NULL; |
| 178 |
|
|
sync_hook = NULL; |
| 179 |
|
|
} |
| 180 |
|
|
|
| 181 |
|
|
// The first time we got the screen, we need to init the Window |
| 182 |
|
|
if (first) { |
| 183 |
|
|
D(bug(" first time\n")); |
| 184 |
|
|
first = false; |
| 185 |
|
|
page_num = 0; // current display : page 0 |
| 186 |
|
|
} else { // we get our screen back |
| 187 |
|
|
D(bug(" not first time\n")); |
| 188 |
|
|
// copy from backup bitmap to framebuffer |
| 189 |
|
|
memcpy((void *)screen_base, frame_backup, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize); |
| 190 |
|
|
// delete backup bitmap |
| 191 |
|
|
delete[] frame_backup; |
| 192 |
|
|
frame_backup = NULL; |
| 193 |
|
|
// restore palette |
| 194 |
|
|
if (info->bits_per_pixel == 8) |
| 195 |
|
|
SetColorList(mac_pal); |
| 196 |
|
|
// restart emul thread |
| 197 |
|
|
release_sem(mac_os_lock); |
| 198 |
|
|
} |
| 199 |
|
|
|
| 200 |
|
|
// allow the drawing in the frame buffer |
| 201 |
|
|
D(bug(" enabling frame buffer access\n")); |
| 202 |
|
|
drawing_enable = true; |
| 203 |
|
|
video_activated = true; |
| 204 |
|
|
|
| 205 |
|
|
} else { |
| 206 |
|
|
|
| 207 |
|
|
drawing_enable = false; // stop drawing. |
| 208 |
|
|
video_activated = false; |
| 209 |
|
|
if (!quitting) { |
| 210 |
|
|
// stop emul thread |
| 211 |
|
|
acquire_sem(mac_os_lock); |
| 212 |
|
|
// create bitmap and store frame buffer into |
| 213 |
|
|
frame_backup = new uint8[VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize]; |
| 214 |
|
|
memcpy(frame_backup, (void *)screen_base, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize); |
| 215 |
|
|
} |
| 216 |
|
|
} |
| 217 |
|
|
D(bug("ScreenConnected() done\n")); |
| 218 |
|
|
} |
| 219 |
|
|
|
| 220 |
|
|
|
| 221 |
|
|
/* |
| 222 |
|
|
* 60Hz interrupt routine |
| 223 |
|
|
*/ |
| 224 |
|
|
|
| 225 |
|
|
status_t MacScreen::tick_func(void *arg) |
| 226 |
|
|
{ |
| 227 |
|
|
MacScreen *obj = (MacScreen *)arg; |
| 228 |
|
|
while (obj->tick_thread_active) { |
| 229 |
|
|
|
| 230 |
|
|
// Wait |
| 231 |
|
|
snooze(16667); |
| 232 |
|
|
|
| 233 |
|
|
// Workspace activated? Then poll the mouse and change the palette if needed |
| 234 |
|
|
if (video_activated) { |
| 235 |
|
|
BPoint pt; |
| 236 |
|
|
uint32 button = 0; |
| 237 |
|
|
if (obj->LockWithTimeout(200000) == B_OK) { |
| 238 |
|
|
if (obj->palette_changed) { |
| 239 |
|
|
obj->palette_changed = false; |
| 240 |
|
|
obj->SetColorList(mac_pal); |
| 241 |
|
|
} |
| 242 |
|
|
obj->view->GetMouse(&pt, &button); |
| 243 |
|
|
obj->Unlock(); |
| 244 |
|
|
set_mouse_position(320, 240); |
| 245 |
|
|
ADBMouseMoved(int(pt.x) - 320, int(pt.y) - 240); |
| 246 |
|
|
if (button & B_PRIMARY_MOUSE_BUTTON) |
| 247 |
|
|
ADBMouseDown(0); |
| 248 |
|
|
if (!(button & B_PRIMARY_MOUSE_BUTTON)) |
| 249 |
|
|
ADBMouseUp(0); |
| 250 |
|
|
if (button & B_SECONDARY_MOUSE_BUTTON) |
| 251 |
|
|
ADBMouseDown(1); |
| 252 |
|
|
if (!(button & B_SECONDARY_MOUSE_BUTTON)) |
| 253 |
|
|
ADBMouseUp(1); |
| 254 |
|
|
if (button & B_TERTIARY_MOUSE_BUTTON) |
| 255 |
|
|
ADBMouseDown(2); |
| 256 |
|
|
if (!(button & B_TERTIARY_MOUSE_BUTTON)) |
| 257 |
|
|
ADBMouseUp(2); |
| 258 |
|
|
} |
| 259 |
|
|
} |
| 260 |
|
|
} |
| 261 |
|
|
return 0; |
| 262 |
|
|
} |
