Mercurial > sdl-ios-xcode
annotate src/video/fbcon/SDL_fbvideo.c @ 106:63ec24e0575f
Merged DGA video surface handling improvements, unified locking code.
Fixed matrox blit bug where src Y less than dst Y
Fixed hardware surface init when no resolution change
| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Fri, 13 Jul 2001 10:19:51 +0000 |
| parents | e85e03f195b4 |
| children | 5d4bafca35cd |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga | |
| 4 | |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
| 20 slouken@devolution.com | |
| 21 */ | |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* Framebuffer console based SDL video driver implementation. | |
| 29 */ | |
| 30 | |
| 31 #include <stdlib.h> | |
| 32 #include <stdio.h> | |
| 33 #include <string.h> | |
| 34 #include <fcntl.h> | |
| 35 #include <unistd.h> | |
| 36 #include <sys/ioctl.h> | |
| 37 #include <sys/mman.h> | |
| 38 #include <asm/page.h> /* For definition of PAGE_SIZE */ | |
| 39 | |
| 40 #include "SDL.h" | |
| 41 #include "SDL_error.h" | |
| 42 #include "SDL_video.h" | |
| 43 #include "SDL_mouse.h" | |
| 44 #include "SDL_sysvideo.h" | |
| 45 #include "SDL_pixels_c.h" | |
| 46 #include "SDL_events_c.h" | |
| 47 #include "SDL_fbvideo.h" | |
| 48 #include "SDL_fbmouse_c.h" | |
| 49 #include "SDL_fbevents_c.h" | |
| 50 #include "SDL_fb3dfx.h" | |
| 51 #include "SDL_fbmatrox.h" | |
| 52 | |
| 53 #if defined(i386) && defined(FB_TYPE_VGA_PLANES) | |
| 54 #define VGA16_FBCON_SUPPORT | |
| 55 #ifndef FB_AUX_VGA_PLANES_VGA4 | |
| 56 #define FB_AUX_VGA_PLANES_VGA4 0 | |
| 57 #endif | |
| 58 static inline void outb (unsigned char value, unsigned short port) | |
| 59 { | |
| 60 __asm__ __volatile__ ("outb %b0,%w1"::"a" (value), "Nd" (port)); | |
| 61 } | |
| 62 #endif /* FB_TYPE_VGA_PLANES */ | |
| 63 | |
| 64 /* A list of video resolutions that we query for (sorted largest to smallest) */ | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
6
diff
changeset
|
65 static const SDL_Rect checkres[] = { |
| 0 | 66 { 0, 0, 1600, 1200 }, /* 16 bpp: 0x11E, or 286 */ |
| 67 { 0, 0, 1408, 1056 }, /* 16 bpp: 0x19A, or 410 */ | |
| 68 { 0, 0, 1280, 1024 }, /* 16 bpp: 0x11A, or 282 */ | |
| 69 { 0, 0, 1152, 864 }, /* 16 bpp: 0x192, or 402 */ | |
| 70 { 0, 0, 1024, 768 }, /* 16 bpp: 0x117, or 279 */ | |
| 71 { 0, 0, 960, 720 }, /* 16 bpp: 0x18A, or 394 */ | |
| 72 { 0, 0, 800, 600 }, /* 16 bpp: 0x114, or 276 */ | |
| 73 { 0, 0, 768, 576 }, /* 16 bpp: 0x182, or 386 */ | |
| 74 { 0, 0, 640, 480 }, /* 16 bpp: 0x111, or 273 */ | |
| 75 { 0, 0, 640, 400 }, /* 8 bpp: 0x100, or 256 */ | |
| 76 { 0, 0, 512, 384 }, | |
| 77 { 0, 0, 320, 240 }, | |
| 78 { 0, 0, 320, 200 } | |
| 79 }; | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
6
diff
changeset
|
80 static const struct { |
| 0 | 81 int xres; |
| 82 int yres; | |
| 83 int pixclock; | |
| 84 int left; | |
| 85 int right; | |
| 86 int upper; | |
| 87 int lower; | |
| 88 int hslen; | |
| 89 int vslen; | |
| 90 int sync; | |
| 91 int vmode; | |
| 92 } vesa_timings[] = { | |
| 93 #ifdef USE_VESA_TIMINGS /* Only tested on Matrox Millenium I */ | |
| 94 { 640, 400, 39771, 48, 16, 39, 8, 96, 2, 2, 0 }, /* 70 Hz */ | |
| 95 { 640, 480, 39683, 48, 16, 33, 10, 96, 2, 0, 0 }, /* 60 Hz */ | |
| 96 { 768, 576, 26101, 144, 16, 28, 6, 112, 4, 0, 0 }, /* 60 Hz */ | |
| 97 { 800, 600, 24038, 144, 24, 28, 8, 112, 6, 0, 0 }, /* 60 Hz */ | |
| 98 { 960, 720, 17686, 144, 24, 28, 8, 112, 4, 0, 0 }, /* 60 Hz */ | |
| 99 { 1024, 768, 15386, 160, 32, 30, 4, 128, 4, 0, 0 }, /* 60 Hz */ | |
| 100 { 1152, 864, 12286, 192, 32, 30, 4, 128, 4, 0, 0 }, /* 60 Hz */ | |
| 101 { 1280, 1024, 9369, 224, 32, 32, 4, 136, 4, 0, 0 }, /* 60 Hz */ | |
| 102 { 1408, 1056, 8214, 256, 40, 32, 5, 144, 5, 0, 0 }, /* 60 Hz */ | |
| 103 { 1600, 1200,/*?*/0, 272, 48, 32, 5, 152, 5, 0, 0 }, /* 60 Hz */ | |
| 104 #else | |
| 105 /* You can generate these timings from your XF86Config file using | |
| 106 the 'modeline2fb' perl script included with the fbset package. | |
| 107 These timings were generated for Matrox Millenium I, 15" monitor. | |
| 108 */ | |
| 109 { 320, 200, 79440, 16, 16, 20, 4, 48, 1, 0, 2 }, /* 70 Hz */ | |
| 110 { 320, 240, 63492, 16, 16, 16, 4, 48, 2, 0, 2 }, /* 72 Hz */ | |
| 111 { 512, 384, 49603, 48, 16, 16, 1, 64, 3, 0, 0 }, /* 78 Hz */ | |
| 112 { 640, 400, 31746, 96, 32, 41, 1, 64, 3, 2, 0 }, /* 85 Hz */ | |
| 113 { 640, 480, 31746, 120, 16, 16, 1, 64, 3, 0, 0 }, /* 75 Hz */ | |
| 114 { 768, 576, 26101, 144, 16, 28, 6, 112, 4, 0, 0 }, /* 60 Hz */ | |
| 115 { 800, 600, 20000, 64, 56, 23, 37, 120, 6, 3, 0 }, /* 72 Hz */ | |
| 116 { 960, 720, 17686, 144, 24, 28, 8, 112, 4, 0, 0 }, /* 60 Hz */ | |
| 117 { 1024, 768, 13333, 144, 24, 29, 3, 136, 6, 0, 0 }, /* 70 Hz */ | |
| 118 { 1152, 864, 12286, 192, 32, 30, 4, 128, 4, 0, 0 }, /* 60 Hz */ | |
| 119 { 1280, 1024, 9369, 224, 32, 32, 4, 136, 4, 0, 0 }, /* 60 Hz */ | |
| 120 { 1408, 1056, 8214, 256, 40, 32, 5, 144, 5, 0, 0 }, /* 60 Hz */ | |
| 121 { 1600, 1200,/*?*/0, 272, 48, 32, 5, 152, 5, 0, 0 }, /* 60 Hz */ | |
| 122 #endif | |
| 123 }; | |
| 124 | |
| 125 /* Initialization/Query functions */ | |
| 126 static int FB_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 127 static SDL_Rect **FB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 128 static SDL_Surface *FB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 129 #ifdef VGA16_FBCON_SUPPORT | |
| 130 static SDL_Surface *FB_SetVGA16Mode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 131 #endif | |
| 132 static int FB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); | |
| 133 static void FB_VideoQuit(_THIS); | |
| 134 | |
| 135 /* Hardware surface functions */ | |
|
106
63ec24e0575f
Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents:
91
diff
changeset
|
136 static int FB_InitHWSurfaces(_THIS, SDL_Surface *screen, char *base, int size); |
| 0 | 137 static void FB_FreeHWSurfaces(_THIS); |
| 138 static int FB_AllocHWSurface(_THIS, SDL_Surface *surface); | |
| 139 static int FB_LockHWSurface(_THIS, SDL_Surface *surface); | |
| 140 static void FB_UnlockHWSurface(_THIS, SDL_Surface *surface); | |
| 141 static void FB_FreeHWSurface(_THIS, SDL_Surface *surface); | |
| 142 static void FB_WaitVBL(_THIS); | |
|
106
63ec24e0575f
Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents:
91
diff
changeset
|
143 static void FB_WaitIdle(_THIS); |
| 0 | 144 static int FB_FlipHWSurface(_THIS, SDL_Surface *surface); |
| 145 | |
| 146 /* Internal palette functions */ | |
| 147 static void FB_SavePalette(_THIS, struct fb_fix_screeninfo *finfo, | |
| 148 struct fb_var_screeninfo *vinfo); | |
| 149 static void FB_RestorePalette(_THIS); | |
| 150 | |
| 151 /* FB driver bootstrap functions */ | |
| 152 | |
| 153 static int FB_Available(void) | |
| 154 { | |
| 155 int console; | |
| 156 const char *SDL_fbdev; | |
| 157 | |
| 158 SDL_fbdev = getenv("SDL_FBDEV"); | |
| 159 if ( SDL_fbdev == NULL ) { | |
| 160 SDL_fbdev = "/dev/fb0"; | |
| 161 } | |
| 162 console = open(SDL_fbdev, O_RDWR, 0); | |
| 163 if ( console >= 0 ) { | |
| 164 close(console); | |
| 165 } | |
| 166 return(console >= 0); | |
| 167 } | |
| 168 | |
| 169 static void FB_DeleteDevice(SDL_VideoDevice *device) | |
| 170 { | |
| 171 free(device->hidden); | |
| 172 free(device); | |
| 173 } | |
| 174 | |
| 175 static SDL_VideoDevice *FB_CreateDevice(int devindex) | |
| 176 { | |
| 177 SDL_VideoDevice *this; | |
| 178 | |
| 179 /* Initialize all variables that we clean on shutdown */ | |
| 180 this = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); | |
| 181 if ( this ) { | |
| 182 memset(this, 0, (sizeof *this)); | |
| 183 this->hidden = (struct SDL_PrivateVideoData *) | |
| 184 malloc((sizeof *this->hidden)); | |
| 185 } | |
| 186 if ( (this == NULL) || (this->hidden == NULL) ) { | |
| 187 SDL_OutOfMemory(); | |
| 188 if ( this ) { | |
| 189 free(this); | |
| 190 } | |
| 191 return(0); | |
| 192 } | |
| 193 memset(this->hidden, 0, (sizeof *this->hidden)); | |
| 194 wait_vbl = FB_WaitVBL; | |
|
106
63ec24e0575f
Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents:
91
diff
changeset
|
195 wait_idle = FB_WaitIdle; |
| 0 | 196 mouse_fd = -1; |
| 197 keyboard_fd = -1; | |
| 198 | |
| 199 /* Set the function pointers */ | |
| 200 this->VideoInit = FB_VideoInit; | |
| 201 this->ListModes = FB_ListModes; | |
| 202 this->SetVideoMode = FB_SetVideoMode; | |
| 203 this->SetColors = FB_SetColors; | |
| 204 this->UpdateRects = NULL; | |
| 205 this->VideoQuit = FB_VideoQuit; | |
| 206 this->AllocHWSurface = FB_AllocHWSurface; | |
| 207 this->CheckHWBlit = NULL; | |
| 208 this->FillHWRect = NULL; | |
| 209 this->SetHWColorKey = NULL; | |
| 210 this->SetHWAlpha = NULL; | |
| 211 this->LockHWSurface = FB_LockHWSurface; | |
| 212 this->UnlockHWSurface = FB_UnlockHWSurface; | |
| 213 this->FlipHWSurface = FB_FlipHWSurface; | |
| 214 this->FreeHWSurface = FB_FreeHWSurface; | |
| 215 this->SetCaption = NULL; | |
| 216 this->SetIcon = NULL; | |
| 217 this->IconifyWindow = NULL; | |
| 218 this->GrabInput = NULL; | |
| 219 this->GetWMInfo = NULL; | |
| 220 this->InitOSKeymap = FB_InitOSKeymap; | |
| 221 this->PumpEvents = FB_PumpEvents; | |
| 222 | |
| 223 this->free = FB_DeleteDevice; | |
| 224 | |
| 225 return this; | |
| 226 } | |
| 227 | |
| 228 VideoBootStrap FBCON_bootstrap = { | |
| 229 "fbcon", "Linux Framebuffer Console", | |
| 230 FB_Available, FB_CreateDevice | |
| 231 }; | |
| 232 | |
| 233 static int FB_CheckMode(_THIS, struct fb_var_screeninfo *vinfo, | |
| 234 int index, unsigned int *w, unsigned int *h) | |
| 235 { | |
| 236 int mode_okay; | |
| 237 | |
| 238 mode_okay = 0; | |
| 239 vinfo->bits_per_pixel = (index+1)*8; | |
| 240 vinfo->xres = *w; | |
| 241 vinfo->xres_virtual = *w; | |
| 242 vinfo->yres = *h; | |
| 243 vinfo->yres_virtual = *h; | |
| 244 vinfo->activate = FB_ACTIVATE_TEST; | |
| 245 if ( ioctl(console_fd, FBIOPUT_VSCREENINFO, vinfo) == 0 ) { | |
| 246 #ifdef FBCON_DEBUG | |
| 247 fprintf(stderr, "Checked mode %dx%d at %d bpp, got mode %dx%d at %d bpp\n", *w, *h, (index+1)*8, vinfo->xres, vinfo->yres, vinfo->bits_per_pixel); | |
| 248 #endif | |
| 249 if ( (((vinfo->bits_per_pixel+7)/8)-1) == index ) { | |
| 250 *w = vinfo->xres; | |
| 251 *h = vinfo->yres; | |
| 252 mode_okay = 1; | |
| 253 } | |
| 254 } | |
| 255 return mode_okay; | |
| 256 } | |
| 257 | |
| 258 static int FB_AddMode(_THIS, int index, unsigned int w, unsigned int h) | |
| 259 { | |
| 260 SDL_Rect *mode; | |
| 261 int i; | |
| 262 int next_mode; | |
| 263 | |
| 264 /* Check to see if we already have this mode */ | |
| 265 if ( SDL_nummodes[index] > 0 ) { | |
| 266 mode = SDL_modelist[index][SDL_nummodes[index]-1]; | |
| 267 if ( (mode->w == w) && (mode->h == h) ) { | |
| 268 #ifdef FBCON_DEBUG | |
| 269 fprintf(stderr, "We already have mode %dx%d at %d bytes per pixel\n", w, h, index+1); | |
| 270 #endif | |
| 271 return(0); | |
| 272 } | |
| 273 } | |
| 274 | |
| 275 /* Only allow a mode if we have a valid timing for it */ | |
|
6
332f458469f0
Fixed 320x200 video mode on framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
276 next_mode = -1; |
| 0 | 277 for ( i=0; i<(sizeof(vesa_timings)/sizeof(vesa_timings[0])); ++i ) { |
| 278 if ( (w == vesa_timings[i].xres) && | |
| 279 (h == vesa_timings[i].yres) && vesa_timings[i].pixclock ) { | |
| 280 next_mode = i; | |
| 281 break; | |
| 282 } | |
| 283 } | |
|
6
332f458469f0
Fixed 320x200 video mode on framebuffer console
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
284 if ( next_mode == -1 ) { |
| 0 | 285 #ifdef FBCON_DEBUG |
| 286 fprintf(stderr, "No valid timing line for mode %dx%d\n", w, h); | |
| 287 #endif | |
| 288 return(0); | |
| 289 } | |
| 290 | |
| 291 /* Set up the new video mode rectangle */ | |
| 292 mode = (SDL_Rect *)malloc(sizeof *mode); | |
| 293 if ( mode == NULL ) { | |
| 294 SDL_OutOfMemory(); | |
| 295 return(-1); | |
| 296 } | |
| 297 mode->x = 0; | |
| 298 mode->y = 0; | |
| 299 mode->w = w; | |
| 300 mode->h = h; | |
| 301 #ifdef FBCON_DEBUG | |
| 302 fprintf(stderr, "Adding mode %dx%d at %d bytes per pixel\n", w, h, index+1); | |
| 303 #endif | |
| 304 | |
| 305 /* Allocate the new list of modes, and fill in the new mode */ | |
| 306 next_mode = SDL_nummodes[index]; | |
| 307 SDL_modelist[index] = (SDL_Rect **) | |
| 308 realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); | |
| 309 if ( SDL_modelist[index] == NULL ) { | |
| 310 SDL_OutOfMemory(); | |
| 311 SDL_nummodes[index] = 0; | |
| 312 free(mode); | |
| 313 return(-1); | |
| 314 } | |
| 315 SDL_modelist[index][next_mode] = mode; | |
| 316 SDL_modelist[index][next_mode+1] = NULL; | |
| 317 SDL_nummodes[index]++; | |
| 318 | |
| 319 return(0); | |
| 320 } | |
| 321 | |
| 322 static int FB_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 323 { | |
| 324 struct fb_fix_screeninfo finfo; | |
| 325 struct fb_var_screeninfo vinfo; | |
| 326 int i, j; | |
| 327 int current_index; | |
| 328 unsigned int current_w; | |
| 329 unsigned int current_h; | |
| 330 const char *SDL_fbdev; | |
| 331 | |
| 332 /* Initialize the library */ | |
| 333 SDL_fbdev = getenv("SDL_FBDEV"); | |
| 334 if ( SDL_fbdev == NULL ) { | |
| 335 SDL_fbdev = "/dev/fb0"; | |
| 336 } | |
| 337 console_fd = open(SDL_fbdev, O_RDWR, 0); | |
| 338 if ( console_fd < 0 ) { | |
| 339 SDL_SetError("Unable to open %s", SDL_fbdev); | |
| 340 return(-1); | |
| 341 } | |
| 342 | |
| 343 #ifndef DISABLE_THREADS | |
| 344 /* Create the hardware surface lock mutex */ | |
| 345 hw_lock = SDL_CreateMutex(); | |
| 346 if ( hw_lock == NULL ) { | |
| 347 SDL_SetError("Unable to create lock mutex"); | |
| 348 FB_VideoQuit(this); | |
| 349 return(-1); | |
| 350 } | |
| 351 #endif | |
| 352 | |
| 353 /* Get the type of video hardware */ | |
| 354 if ( ioctl(console_fd, FBIOGET_FSCREENINFO, &finfo) < 0 ) { | |
| 355 SDL_SetError("Couldn't get console hardware info"); | |
| 356 FB_VideoQuit(this); | |
| 357 return(-1); | |
| 358 } | |
| 359 switch (finfo.type) { | |
| 360 case FB_TYPE_PACKED_PIXELS: | |
| 361 /* Supported, no worries.. */ | |
| 362 break; | |
| 363 #ifdef VGA16_FBCON_SUPPORT | |
| 364 case FB_TYPE_VGA_PLANES: | |
| 365 /* VGA16 is supported, but that's it */ | |
| 366 if ( finfo.type_aux == FB_AUX_VGA_PLANES_VGA4 ) { | |
| 367 if ( ioperm(0x3b4, 0x3df - 0x3b4 + 1, 1) < 0 ) { | |
| 368 SDL_SetError("No I/O port permissions"); | |
| 369 FB_VideoQuit(this); | |
| 370 return(-1); | |
| 371 } | |
| 372 this->SetVideoMode = FB_SetVGA16Mode; | |
| 373 break; | |
| 374 } | |
| 375 /* Fall through to unsupported case */ | |
| 376 #endif /* VGA16_FBCON_SUPPORT */ | |
| 377 default: | |
| 378 SDL_SetError("Unsupported console hardware"); | |
| 379 FB_VideoQuit(this); | |
| 380 return(-1); | |
| 381 } | |
| 382 switch (finfo.visual) { | |
| 383 case FB_VISUAL_TRUECOLOR: | |
| 384 case FB_VISUAL_PSEUDOCOLOR: | |
| 385 case FB_VISUAL_STATIC_PSEUDOCOLOR: | |
| 386 case FB_VISUAL_DIRECTCOLOR: | |
| 387 break; | |
| 388 default: | |
| 389 SDL_SetError("Unsupported console hardware"); | |
| 390 FB_VideoQuit(this); | |
| 391 return(-1); | |
| 392 } | |
| 393 | |
| 394 /* Check if the user wants to disable hardware acceleration */ | |
| 395 { const char *fb_accel; | |
| 396 fb_accel = getenv("SDL_FBACCEL"); | |
| 397 if ( fb_accel ) { | |
| 398 finfo.accel = atoi(fb_accel); | |
| 399 } | |
| 400 } | |
| 401 | |
| 402 /* Memory map the device, compensating for buggy PPC mmap() */ | |
| 403 mapped_offset = (((long)finfo.smem_start) - | |
| 404 (((long)finfo.smem_start)&~(PAGE_SIZE-1))); | |
| 405 mapped_memlen = finfo.smem_len+mapped_offset; | |
| 406 mapped_mem = mmap(NULL, mapped_memlen, | |
| 407 PROT_READ|PROT_WRITE, MAP_SHARED, console_fd, 0); | |
| 408 if ( mapped_mem == (char *)-1 ) { | |
| 409 SDL_SetError("Unable to memory map the video hardware"); | |
| 410 mapped_mem = NULL; | |
| 411 FB_VideoQuit(this); | |
| 412 return(-1); | |
| 413 } | |
| 414 | |
| 415 /* Determine the current screen depth */ | |
| 416 if ( ioctl(console_fd, FBIOGET_VSCREENINFO, &vinfo) < 0 ) { | |
| 417 SDL_SetError("Couldn't get console pixel format"); | |
| 418 FB_VideoQuit(this); | |
| 419 return(-1); | |
| 420 } | |
| 421 vformat->BitsPerPixel = vinfo.bits_per_pixel; | |
| 422 if ( vformat->BitsPerPixel < 8 ) { | |
| 423 /* Assuming VGA16, we handle this via a shadow framebuffer */ | |
| 424 vformat->BitsPerPixel = 8; | |
| 425 } | |
| 426 for ( i=0; i<vinfo.red.length; ++i ) { | |
| 427 vformat->Rmask <<= 1; | |
| 428 vformat->Rmask |= (0x00000001<<vinfo.red.offset); | |
| 429 } | |
| 430 for ( i=0; i<vinfo.green.length; ++i ) { | |
| 431 vformat->Gmask <<= 1; | |
| 432 vformat->Gmask |= (0x00000001<<vinfo.green.offset); | |
| 433 } | |
| 434 for ( i=0; i<vinfo.blue.length; ++i ) { | |
| 435 vformat->Bmask <<= 1; | |
| 436 vformat->Bmask |= (0x00000001<<vinfo.blue.offset); | |
| 437 } | |
| 438 saved_vinfo = vinfo; | |
| 439 | |
| 440 /* Save hardware palette, if needed */ | |
| 441 FB_SavePalette(this, &finfo, &vinfo); | |
| 442 | |
| 443 /* If the I/O registers are available, memory map them so we | |
| 444 can take advantage of any supported hardware acceleration. | |
| 445 */ | |
| 446 vinfo.accel_flags = 0; /* Temporarily reserve registers */ | |
| 447 ioctl(console_fd, FBIOPUT_VSCREENINFO, &vinfo); | |
| 448 if ( finfo.accel && finfo.mmio_len ) { | |
| 449 mapped_iolen = finfo.mmio_len; | |
| 450 mapped_io = mmap(NULL, mapped_iolen, PROT_READ|PROT_WRITE, | |
| 451 MAP_SHARED, console_fd, mapped_memlen); | |
| 452 if ( mapped_io == (char *)-1 ) { | |
| 453 /* Hmm, failed to memory map I/O registers */ | |
| 454 mapped_io = NULL; | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 /* Query for the list of available video modes */ | |
| 459 current_w = vinfo.xres; | |
| 460 current_h = vinfo.yres; | |
| 461 current_index = ((vinfo.bits_per_pixel+7)/8)-1; | |
| 462 for ( i=0; i<NUM_MODELISTS; ++i ) { | |
| 463 SDL_nummodes[i] = 0; | |
| 464 SDL_modelist[i] = NULL; | |
| 465 for ( j=0; j<(sizeof(checkres)/sizeof(checkres[0])); ++j ) { | |
| 466 unsigned int w, h; | |
| 467 | |
| 468 /* See if we are querying for the current mode */ | |
| 469 w = checkres[j].w; | |
| 470 h = checkres[j].h; | |
| 471 if ( i == current_index ) { | |
| 472 if ( (current_w > w) || (current_h > h) ) { | |
| 473 /* Only check once */ | |
| 474 FB_AddMode(this, i,current_w,current_h); | |
| 475 current_index = -1; | |
| 476 } | |
| 477 } | |
| 478 if ( FB_CheckMode(this, &vinfo, i, &w, &h) ) { | |
| 479 FB_AddMode(this, i, w, h); | |
| 480 } | |
| 481 } | |
| 482 } | |
| 483 | |
| 484 /* Fill in our hardware acceleration capabilities */ | |
| 485 this->info.wm_available = 0; | |
| 486 this->info.hw_available = 1; | |
| 487 this->info.video_mem = finfo.smem_len/1024; | |
| 488 if ( mapped_io ) { | |
| 489 switch (finfo.accel) { | |
| 490 case FB_ACCEL_MATROX_MGA2064W: | |
| 491 case FB_ACCEL_MATROX_MGA1064SG: | |
| 492 case FB_ACCEL_MATROX_MGA2164W: | |
| 493 case FB_ACCEL_MATROX_MGA2164W_AGP: | |
| 494 case FB_ACCEL_MATROX_MGAG100: | |
| 495 /*case FB_ACCEL_MATROX_MGAG200: G200 acceleration broken! */ | |
| 496 case FB_ACCEL_MATROX_MGAG400: | |
| 497 #ifdef FBACCEL_DEBUG | |
| 498 printf("Matrox hardware accelerator!\n"); | |
| 499 #endif | |
| 500 FB_MatroxAccel(this, finfo.accel); | |
| 501 break; | |
| 502 case FB_ACCEL_3DFX_BANSHEE: | |
| 503 #ifdef FBACCEL_DEBUG | |
| 504 printf("3DFX hardware accelerator!\n"); | |
| 505 #endif | |
| 506 FB_3DfxAccel(this, finfo.accel); | |
| 507 break; | |
| 508 default: | |
| 509 #ifdef FBACCEL_DEBUG | |
| 510 printf("Unknown hardware accelerator.\n"); | |
| 511 #endif | |
| 512 break; | |
| 513 } | |
| 514 } | |
| 515 | |
| 516 /* Enable mouse and keyboard support */ | |
| 517 if ( FB_OpenKeyboard(this) < 0 ) { | |
| 518 FB_VideoQuit(this); | |
| 519 return(-1); | |
| 520 } | |
| 521 if ( FB_OpenMouse(this) < 0 ) { | |
| 522 const char *sdl_nomouse; | |
| 523 | |
| 524 sdl_nomouse = getenv("SDL_NOMOUSE"); | |
| 525 if ( ! sdl_nomouse ) { | |
| 526 SDL_SetError("Unable to open mouse"); | |
| 527 FB_VideoQuit(this); | |
| 528 return(-1); | |
| 529 } | |
| 530 } | |
| 531 | |
| 532 /* We're done! */ | |
| 533 return(0); | |
| 534 } | |
| 535 | |
| 536 static SDL_Rect **FB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 537 { | |
| 538 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); | |
| 539 } | |
| 540 | |
| 541 /* Various screen update functions available */ | |
| 542 static void FB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 543 #ifdef VGA16_FBCON_SUPPORT | |
| 544 static void FB_VGA16Update(_THIS, int numrects, SDL_Rect *rects); | |
| 545 #endif | |
| 546 | |
| 547 #ifdef FBCON_DEBUG | |
| 548 static void print_vinfo(struct fb_var_screeninfo *vinfo) | |
| 549 { | |
| 550 fprintf(stderr, "Printing vinfo:\n"); | |
| 551 fprintf(stderr, "\txres: %d\n", vinfo->xres); | |
| 552 fprintf(stderr, "\tyres: %d\n", vinfo->yres); | |
| 553 fprintf(stderr, "\txres_virtual: %d\n", vinfo->xres_virtual); | |
| 554 fprintf(stderr, "\tyres_virtual: %d\n", vinfo->yres_virtual); | |
| 555 fprintf(stderr, "\txoffset: %d\n", vinfo->xoffset); | |
| 556 fprintf(stderr, "\tyoffset: %d\n", vinfo->yoffset); | |
| 557 fprintf(stderr, "\tbits_per_pixel: %d\n", vinfo->bits_per_pixel); | |
| 558 fprintf(stderr, "\tgrayscale: %d\n", vinfo->grayscale); | |
| 559 fprintf(stderr, "\tnonstd: %d\n", vinfo->nonstd); | |
| 560 fprintf(stderr, "\tactivate: %d\n", vinfo->activate); | |
| 561 fprintf(stderr, "\theight: %d\n", vinfo->height); | |
| 562 fprintf(stderr, "\twidth: %d\n", vinfo->width); | |
| 563 fprintf(stderr, "\taccel_flags: %d\n", vinfo->accel_flags); | |
| 564 fprintf(stderr, "\tpixclock: %d\n", vinfo->pixclock); | |
| 565 fprintf(stderr, "\tleft_margin: %d\n", vinfo->left_margin); | |
| 566 fprintf(stderr, "\tright_margin: %d\n", vinfo->right_margin); | |
| 567 fprintf(stderr, "\tupper_margin: %d\n", vinfo->upper_margin); | |
| 568 fprintf(stderr, "\tlower_margin: %d\n", vinfo->lower_margin); | |
| 569 fprintf(stderr, "\thsync_len: %d\n", vinfo->hsync_len); | |
| 570 fprintf(stderr, "\tvsync_len: %d\n", vinfo->vsync_len); | |
| 571 fprintf(stderr, "\tsync: %d\n", vinfo->sync); | |
| 572 fprintf(stderr, "\tvmode: %d\n", vinfo->vmode); | |
| 573 fprintf(stderr, "\tred: %d/%d\n", vinfo->red.length, vinfo->red.offset); | |
| 574 fprintf(stderr, "\tgreen: %d/%d\n", vinfo->green.length, vinfo->green.offset); | |
| 575 fprintf(stderr, "\tblue: %d/%d\n", vinfo->blue.length, vinfo->blue.offset); | |
| 576 fprintf(stderr, "\talpha: %d/%d\n", vinfo->transp.length, vinfo->transp.offset); | |
| 577 } | |
| 578 static void print_finfo(struct fb_fix_screeninfo *finfo) | |
| 579 { | |
| 580 fprintf(stderr, "Printing finfo:\n"); | |
| 581 fprintf(stderr, "\tsmem_start = %p\n", (char *)finfo->smem_start); | |
| 582 fprintf(stderr, "\tsmem_len = %d\n", finfo->smem_len); | |
| 583 fprintf(stderr, "\ttype = %d\n", finfo->type); | |
| 584 fprintf(stderr, "\ttype_aux = %d\n", finfo->type_aux); | |
| 585 fprintf(stderr, "\tvisual = %d\n", finfo->visual); | |
| 586 fprintf(stderr, "\txpanstep = %d\n", finfo->xpanstep); | |
| 587 fprintf(stderr, "\typanstep = %d\n", finfo->ypanstep); | |
| 588 fprintf(stderr, "\tywrapstep = %d\n", finfo->ywrapstep); | |
| 589 fprintf(stderr, "\tline_length = %d\n", finfo->line_length); | |
| 590 fprintf(stderr, "\tmmio_start = %p\n", (char *)finfo->mmio_start); | |
| 591 fprintf(stderr, "\tmmio_len = %d\n", finfo->mmio_len); | |
| 592 fprintf(stderr, "\taccel = %d\n", finfo->accel); | |
| 593 } | |
| 594 #endif | |
| 595 | |
| 596 static int choose_fbmodes_mode(struct fb_var_screeninfo *vinfo) | |
| 597 { | |
| 598 int matched; | |
| 599 FILE *fbmodes; | |
| 600 | |
| 601 matched = 0; | |
| 602 fbmodes = fopen("/etc/fb.modes", "r"); | |
| 603 if ( fbmodes ) { | |
| 604 /* FIXME: Parse the mode definition file */ | |
| 605 fclose(fbmodes); | |
| 606 } | |
| 607 return(matched); | |
| 608 } | |
| 609 | |
| 610 static int choose_vesa_mode(struct fb_var_screeninfo *vinfo) | |
| 611 { | |
| 612 int matched; | |
| 613 int i; | |
| 614 | |
| 615 /* Check for VESA timings */ | |
| 616 matched = 0; | |
| 617 for ( i=0; i<(sizeof(vesa_timings)/sizeof(vesa_timings[0])); ++i ) { | |
| 618 if ( (vinfo->xres == vesa_timings[i].xres) && | |
| 619 (vinfo->yres == vesa_timings[i].yres) ) { | |
| 620 #ifdef FBCON_DEBUG | |
| 621 fprintf(stderr, "Using VESA timings for %dx%d\n", | |
| 622 vinfo->xres, vinfo->yres); | |
| 623 #endif | |
| 624 if ( vesa_timings[i].pixclock ) { | |
| 625 vinfo->pixclock = vesa_timings[i].pixclock; | |
| 626 } | |
| 627 vinfo->left_margin = vesa_timings[i].left; | |
| 628 vinfo->right_margin = vesa_timings[i].right; | |
| 629 vinfo->upper_margin = vesa_timings[i].upper; | |
| 630 vinfo->lower_margin = vesa_timings[i].lower; | |
| 631 vinfo->hsync_len = vesa_timings[i].hslen; | |
| 632 vinfo->vsync_len = vesa_timings[i].vslen; | |
| 633 vinfo->sync = vesa_timings[i].sync; | |
| 634 vinfo->vmode = vesa_timings[i].vmode; | |
| 635 matched = 1; | |
| 636 break; | |
| 637 } | |
| 638 } | |
| 639 return(matched); | |
| 640 } | |
| 641 | |
| 642 #ifdef VGA16_FBCON_SUPPORT | |
| 643 static SDL_Surface *FB_SetVGA16Mode(_THIS, SDL_Surface *current, | |
| 644 int width, int height, int bpp, Uint32 flags) | |
| 645 { | |
| 646 struct fb_fix_screeninfo finfo; | |
| 647 struct fb_var_screeninfo vinfo; | |
| 648 | |
| 649 /* Set the terminal into graphics mode */ | |
| 650 if ( FB_EnterGraphicsMode(this) < 0 ) { | |
| 651 return(NULL); | |
| 652 } | |
| 653 | |
| 654 /* Restore the original palette */ | |
| 655 FB_RestorePalette(this); | |
| 656 | |
| 657 /* Set the video mode and get the final screen format */ | |
| 658 if ( ioctl(console_fd, FBIOGET_VSCREENINFO, &vinfo) < 0 ) { | |
| 659 SDL_SetError("Couldn't get console screen info"); | |
| 660 return(NULL); | |
| 661 } | |
| 662 cache_vinfo = vinfo; | |
| 663 #ifdef FBCON_DEBUG | |
| 664 fprintf(stderr, "Printing actual vinfo:\n"); | |
| 665 print_vinfo(&vinfo); | |
| 666 #endif | |
| 667 if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) { | |
| 668 return(NULL); | |
| 669 } | |
|
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670 current->format->palette->ncolors = 16; |
| 0 | 671 |
| 672 /* Get the fixed information about the console hardware. | |
| 673 This is necessary since finfo.line_length changes. | |
| 674 */ | |
| 675 if ( ioctl(console_fd, FBIOGET_FSCREENINFO, &finfo) < 0 ) { | |
| 676 SDL_SetError("Couldn't get console hardware info"); | |
| 677 return(NULL); | |
| 678 } | |
| 679 #ifdef FBCON_DEBUG | |
| 680 fprintf(stderr, "Printing actual finfo:\n"); | |
| 681 print_finfo(&finfo); | |
| 682 #endif | |
| 683 | |
| 684 /* Save hardware palette, if needed */ | |
| 685 FB_SavePalette(this, &finfo, &vinfo); | |
| 686 | |
| 687 /* Set up the new mode framebuffer */ | |
| 688 current->flags = SDL_FULLSCREEN; | |
| 689 current->w = vinfo.xres; | |
| 690 current->h = vinfo.yres; | |
| 691 current->pitch = current->w; | |
| 692 current->pixels = malloc(current->h*current->pitch); | |
| 693 | |
| 694 /* Set the update rectangle function */ | |
| 695 this->UpdateRects = FB_VGA16Update; | |
| 696 | |
| 697 /* We're done */ | |
| 698 return(current); | |
| 699 } | |
| 700 #endif /* VGA16_FBCON_SUPPORT */ | |
| 701 | |
| 702 static SDL_Surface *FB_SetVideoMode(_THIS, SDL_Surface *current, | |
| 703 int width, int height, int bpp, Uint32 flags) | |
| 704 { | |
| 705 struct fb_fix_screeninfo finfo; | |
| 706 struct fb_var_screeninfo vinfo; | |
| 707 int i; | |
| 708 Uint32 Rmask; | |
| 709 Uint32 Gmask; | |
| 710 Uint32 Bmask; | |
| 711 char *surfaces_mem; | |
| 712 int surfaces_len; | |
| 713 | |
| 714 /* Set the terminal into graphics mode */ | |
| 715 if ( FB_EnterGraphicsMode(this) < 0 ) { | |
| 716 return(NULL); | |
| 717 } | |
| 718 | |
| 719 /* Restore the original palette */ | |
| 720 FB_RestorePalette(this); | |
| 721 | |
| 722 /* Set the video mode and get the final screen format */ | |
| 723 if ( ioctl(console_fd, FBIOGET_VSCREENINFO, &vinfo) < 0 ) { | |
| 724 SDL_SetError("Couldn't get console screen info"); | |
| 725 return(NULL); | |
| 726 } | |
| 727 #ifdef FBCON_DEBUG | |
| 728 fprintf(stderr, "Printing original vinfo:\n"); | |
| 729 print_vinfo(&vinfo); | |
| 730 #endif | |
| 731 if ( (vinfo.xres != width) || (vinfo.yres != height) || | |
| 732 (vinfo.bits_per_pixel != bpp) || (flags & SDL_DOUBLEBUF) ) { | |
| 733 vinfo.activate = FB_ACTIVATE_NOW; | |
| 734 vinfo.accel_flags = 0; | |
| 735 vinfo.bits_per_pixel = bpp; | |
| 736 vinfo.xres = width; | |
| 737 vinfo.xres_virtual = width; | |
| 738 vinfo.yres = height; | |
| 739 if ( flags & SDL_DOUBLEBUF ) { | |
| 740 vinfo.yres_virtual = height*2; | |
| 741 } else { | |
| 742 vinfo.yres_virtual = height; | |
| 743 } | |
| 744 vinfo.xoffset = 0; | |
| 745 vinfo.yoffset = 0; | |
| 746 vinfo.red.length = vinfo.red.offset = 0; | |
| 747 vinfo.green.length = vinfo.green.offset = 0; | |
| 748 vinfo.blue.length = vinfo.blue.offset = 0; | |
| 749 vinfo.transp.length = vinfo.transp.offset = 0; | |
| 750 if ( ! choose_fbmodes_mode(&vinfo) ) { | |
| 751 choose_vesa_mode(&vinfo); | |
| 752 } | |
| 753 #ifdef FBCON_DEBUG | |
| 754 fprintf(stderr, "Printing wanted vinfo:\n"); | |
| 755 print_vinfo(&vinfo); | |
| 756 #endif | |
| 757 if ( ioctl(console_fd, FBIOPUT_VSCREENINFO, &vinfo) < 0 ) { | |
| 758 vinfo.yres_virtual = height; | |
| 759 if ( ioctl(console_fd, FBIOPUT_VSCREENINFO, &vinfo) < 0 ) { | |
| 760 SDL_SetError("Couldn't set console screen info"); | |
| 761 return(NULL); | |
| 762 } | |
| 763 } | |
|
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764 } else { |
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765 int maxheight; |
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766 |
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767 /* Figure out how much video memory is available */ |
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768 if ( flags & SDL_DOUBLEBUF ) { |
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769 maxheight = height*2; |
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770 } else { |
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771 maxheight = height; |
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772 } |
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773 if ( vinfo.yres_virtual > maxheight ) { |
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774 vinfo.yres_virtual = maxheight; |
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775 } |
| 0 | 776 } |
| 777 cache_vinfo = vinfo; | |
| 778 #ifdef FBCON_DEBUG | |
| 779 fprintf(stderr, "Printing actual vinfo:\n"); | |
| 780 print_vinfo(&vinfo); | |
| 781 #endif | |
| 782 Rmask = 0; | |
| 783 for ( i=0; i<vinfo.red.length; ++i ) { | |
| 784 Rmask <<= 1; | |
| 785 Rmask |= (0x00000001<<vinfo.red.offset); | |
| 786 } | |
| 787 Gmask = 0; | |
| 788 for ( i=0; i<vinfo.green.length; ++i ) { | |
| 789 Gmask <<= 1; | |
| 790 Gmask |= (0x00000001<<vinfo.green.offset); | |
| 791 } | |
| 792 Bmask = 0; | |
| 793 for ( i=0; i<vinfo.blue.length; ++i ) { | |
| 794 Bmask <<= 1; | |
| 795 Bmask |= (0x00000001<<vinfo.blue.offset); | |
| 796 } | |
| 797 if ( ! SDL_ReallocFormat(current, vinfo.bits_per_pixel, | |
| 798 Rmask, Gmask, Bmask, 0) ) { | |
| 799 return(NULL); | |
| 800 } | |
| 801 | |
| 802 /* Get the fixed information about the console hardware. | |
| 803 This is necessary since finfo.line_length changes. | |
| 804 */ | |
| 805 if ( ioctl(console_fd, FBIOGET_FSCREENINFO, &finfo) < 0 ) { | |
| 806 SDL_SetError("Couldn't get console hardware info"); | |
| 807 return(NULL); | |
| 808 } | |
| 809 | |
| 810 /* Save hardware palette, if needed */ | |
| 811 FB_SavePalette(this, &finfo, &vinfo); | |
| 812 | |
| 813 /* Set up the new mode framebuffer */ | |
| 814 current->flags = (SDL_FULLSCREEN|SDL_HWSURFACE); | |
| 815 current->w = vinfo.xres; | |
| 816 current->h = vinfo.yres; | |
| 817 current->pitch = finfo.line_length; | |
| 818 current->pixels = mapped_mem+mapped_offset; | |
| 819 | |
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820 /* Set up the information for hardware surfaces */ |
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821 surfaces_mem = (char *)current->pixels + |
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822 vinfo.yres_virtual*current->pitch; |
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823 surfaces_len = (mapped_memlen-(surfaces_mem-mapped_mem)); |
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824 FB_FreeHWSurfaces(this); |
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825 FB_InitHWSurfaces(this, current, surfaces_mem, surfaces_len); |
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826 |
| 0 | 827 /* Let the application know we have a hardware palette */ |
| 828 switch (finfo.visual) { | |
| 829 case FB_VISUAL_PSEUDOCOLOR: | |
| 830 current->flags |= SDL_HWPALETTE; | |
| 831 break; | |
| 832 default: | |
| 833 break; | |
| 834 } | |
| 835 | |
| 836 /* Update for double-buffering, if we can */ | |
| 837 if ( flags & SDL_DOUBLEBUF ) { | |
| 838 if ( vinfo.yres_virtual == (height*2) ) { | |
| 839 current->flags |= SDL_DOUBLEBUF; | |
| 840 flip_page = 0; | |
| 841 flip_address[0] = (char *)current->pixels; | |
| 842 flip_address[1] = (char *)current->pixels+ | |
| 843 current->h*current->pitch; | |
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844 this->screen = current; |
| 0 | 845 FB_FlipHWSurface(this, current); |
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846 this->screen = NULL; |
| 0 | 847 } |
| 848 } | |
| 849 | |
| 850 /* Set the update rectangle function */ | |
| 851 this->UpdateRects = FB_DirectUpdate; | |
| 852 | |
| 853 /* We're done */ | |
| 854 return(current); | |
| 855 } | |
| 856 | |
| 857 #ifdef FBCON_DEBUG | |
| 858 void FB_DumpHWSurfaces(_THIS) | |
| 859 { | |
| 860 vidmem_bucket *bucket; | |
| 861 | |
| 862 printf("Memory left: %d (%d total)\n", surfaces_memleft, surfaces_memtotal); | |
| 863 printf("\n"); | |
| 864 printf(" Base Size\n"); | |
| 865 for ( bucket=&surfaces; bucket; bucket=bucket->next ) { | |
| 866 printf("Bucket: %p, %d (%s)\n", bucket->base, bucket->size, bucket->used ? "used" : "free"); | |
| 867 if ( bucket->prev ) { | |
| 868 if ( bucket->base != bucket->prev->base+bucket->prev->size ) { | |
| 869 printf("Warning, corrupt bucket list! (prev)\n"); | |
| 870 } | |
| 871 } else { | |
| 872 if ( bucket != &surfaces ) { | |
| 873 printf("Warning, corrupt bucket list! (!prev)\n"); | |
| 874 } | |
| 875 } | |
| 876 if ( bucket->next ) { | |
| 877 if ( bucket->next->base != bucket->base+bucket->size ) { | |
| 878 printf("Warning, corrupt bucket list! (next)\n"); | |
| 879 } | |
| 880 } | |
| 881 } | |
| 882 printf("\n"); | |
| 883 } | |
| 884 #endif | |
| 885 | |
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886 static int FB_InitHWSurfaces(_THIS, SDL_Surface *screen, char *base, int size) |
| 0 | 887 { |
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888 vidmem_bucket *bucket; |
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889 |
| 0 | 890 surfaces_memtotal = size; |
| 891 surfaces_memleft = size; | |
|
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892 |
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893 if ( surfaces_memleft > 0 ) { |
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894 bucket = (vidmem_bucket *)malloc(sizeof(*bucket)); |
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895 if ( bucket == NULL ) { |
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896 SDL_OutOfMemory(); |
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897 return(-1); |
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898 } |
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899 bucket->prev = &surfaces; |
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900 bucket->used = 0; |
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901 bucket->dirty = 0; |
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902 bucket->base = base; |
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903 bucket->size = size; |
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904 bucket->next = NULL; |
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905 } else { |
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906 bucket = NULL; |
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907 } |
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908 |
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909 surfaces.prev = NULL; |
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910 surfaces.used = 1; |
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911 surfaces.dirty = 0; |
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912 surfaces.base = screen->pixels; |
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913 surfaces.size = (unsigned int)((long)base - (long)surfaces.base); |
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914 surfaces.next = bucket; |
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915 screen->hwdata = (struct private_hwdata *)&surfaces; |
| 0 | 916 return(0); |
| 917 } | |
| 918 static void FB_FreeHWSurfaces(_THIS) | |
| 919 { | |
| 920 vidmem_bucket *bucket, *freeable; | |
| 921 | |
| 922 bucket = surfaces.next; | |
| 923 while ( bucket ) { | |
| 924 freeable = bucket; | |
| 925 bucket = bucket->next; | |
| 926 free(freeable); | |
| 927 } | |
| 928 surfaces.next = NULL; | |
| 929 } | |
| 930 | |
| 931 static int FB_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 932 { | |
| 933 vidmem_bucket *bucket; | |
| 934 int size; | |
| 935 int extra; | |
| 936 | |
| 937 /* Temporarily, we only allow surfaces the same width as display. | |
| 938 Some blitters require the pitch between two hardware surfaces | |
| 939 to be the same. Others have interesting alignment restrictions. | |
| 940 Until someone who knows these details looks at the code... | |
| 941 */ | |
| 942 if ( surface->pitch > SDL_VideoSurface->pitch ) { | |
| 943 SDL_SetError("Surface requested wider than screen"); | |
| 944 return(-1); | |
| 945 } | |
| 946 surface->pitch = SDL_VideoSurface->pitch; | |
| 947 size = surface->h * surface->pitch; | |
| 948 #ifdef FBCON_DEBUG | |
| 949 fprintf(stderr, "Allocating bucket of %d bytes\n", size); | |
| 950 #endif | |
| 951 | |
| 952 /* Quick check for available mem */ | |
| 953 if ( size > surfaces_memleft ) { | |
| 954 SDL_SetError("Not enough video memory"); | |
| 955 return(-1); | |
| 956 } | |
| 957 | |
| 958 /* Search for an empty bucket big enough */ | |
| 959 for ( bucket=&surfaces; bucket; bucket=bucket->next ) { | |
| 960 if ( ! bucket->used && (size <= bucket->size) ) { | |
| 961 break; | |
| 962 } | |
| 963 } | |
| 964 if ( bucket == NULL ) { | |
| 965 SDL_SetError("Video memory too fragmented"); | |
| 966 return(-1); | |
| 967 } | |
| 968 | |
| 969 /* Create a new bucket for left-over memory */ | |
| 970 extra = (bucket->size - size); | |
| 971 if ( extra ) { | |
| 972 vidmem_bucket *newbucket; | |
| 973 | |
| 974 #ifdef FBCON_DEBUG | |
| 975 fprintf(stderr, "Adding new free bucket of %d bytes\n", extra); | |
| 976 #endif | |
| 977 newbucket = (vidmem_bucket *)malloc(sizeof(*newbucket)); | |
| 978 if ( newbucket == NULL ) { | |
| 979 SDL_OutOfMemory(); | |
| 980 return(-1); | |
| 981 } | |
| 982 newbucket->prev = bucket; | |
| 983 newbucket->used = 0; | |
| 984 newbucket->base = bucket->base+size; | |
| 985 newbucket->size = extra; | |
| 986 newbucket->next = bucket->next; | |
| 987 if ( bucket->next ) { | |
| 988 bucket->next->prev = newbucket; | |
| 989 } | |
| 990 bucket->next = newbucket; | |
| 991 } | |
| 992 | |
| 993 /* Set the current bucket values and return it! */ | |
| 994 bucket->used = 1; | |
| 995 bucket->size = size; | |
|
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996 bucket->dirty = 0; |
| 0 | 997 #ifdef FBCON_DEBUG |
| 998 fprintf(stderr, "Allocated %d bytes at %p\n", bucket->size, bucket->base); | |
| 999 #endif | |
| 1000 surfaces_memleft -= size; | |
| 1001 surface->flags |= SDL_HWSURFACE; | |
| 1002 surface->pixels = bucket->base; | |
|
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1003 surface->hwdata = (struct private_hwdata *)bucket; |
| 0 | 1004 return(0); |
| 1005 } | |
| 1006 static void FB_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 1007 { | |
| 1008 vidmem_bucket *bucket, *freeable; | |
| 1009 | |
| 1010 /* Look for the bucket in the current list */ | |
| 1011 for ( bucket=&surfaces; bucket; bucket=bucket->next ) { | |
|
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1012 if ( bucket == (vidmem_bucket *)surface->hwdata ) { |
| 0 | 1013 break; |
| 1014 } | |
| 1015 } | |
|
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1016 if ( bucket && bucket->used ) { |
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1017 /* Add the memory back to the total */ |
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1018 #ifdef DGA_DEBUG |
| 0 | 1019 printf("Freeing bucket of %d bytes\n", bucket->size); |
| 1020 #endif | |
|
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1021 surfaces_memleft += bucket->size; |
| 0 | 1022 |
|
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1023 /* Can we merge the space with surrounding buckets? */ |
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1024 bucket->used = 0; |
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1025 if ( bucket->next && ! bucket->next->used ) { |
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1026 #ifdef DGA_DEBUG |
| 0 | 1027 printf("Merging with next bucket, for %d total bytes\n", bucket->size+bucket->next->size); |
| 1028 #endif | |
|
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1029 freeable = bucket->next; |
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1030 bucket->size += bucket->next->size; |
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1031 bucket->next = bucket->next->next; |
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1032 if ( bucket->next ) { |
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1033 bucket->next->prev = bucket; |
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1034 } |
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1035 free(freeable); |
| 0 | 1036 } |
|
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1037 if ( bucket->prev && ! bucket->prev->used ) { |
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1038 #ifdef DGA_DEBUG |
| 0 | 1039 printf("Merging with previous bucket, for %d total bytes\n", bucket->prev->size+bucket->size); |
| 1040 #endif | |
|
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1041 freeable = bucket; |
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1042 bucket->prev->size += bucket->size; |
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1043 bucket->prev->next = bucket->next; |
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1044 if ( bucket->next ) { |
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1045 bucket->next->prev = bucket->prev; |
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1046 } |
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1047 free(freeable); |
| 0 | 1048 } |
| 1049 } | |
| 1050 surface->pixels = NULL; | |
|
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1051 surface->hwdata = NULL; |
| 0 | 1052 } |
| 1053 static int FB_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 1054 { | |
|
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1055 if ( surface == this->screen ) { |
| 0 | 1056 SDL_mutexP(hw_lock); |
|
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1057 if ( FB_IsSurfaceBusy(surface) ) { |
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1058 FB_WaitBusySurfaces(this); |
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1059 } |
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1060 } else { |
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1061 if ( FB_IsSurfaceBusy(surface) ) { |
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1062 FB_WaitBusySurfaces(this); |
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1063 } |
| 0 | 1064 } |
| 1065 return(0); | |
| 1066 } | |
| 1067 static void FB_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 1068 { | |
|
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1069 if ( surface == this->screen ) { |
| 0 | 1070 SDL_mutexV(hw_lock); |
| 1071 } | |
| 1072 } | |
| 1073 | |
| 1074 static void FB_WaitVBL(_THIS) | |
| 1075 { | |
| 1076 #ifdef FBIOWAITRETRACE /* Heheh, this didn't make it into the main kernel */ | |
| 1077 ioctl(console_fd, FBIOWAITRETRACE, 0); | |
| 1078 #endif | |
| 1079 return; | |
| 1080 } | |
| 1081 | |
|
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1082 static void FB_WaitIdle(_THIS) |
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1083 { |
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1084 return; |
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1085 } |
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1086 |
| 0 | 1087 static int FB_FlipHWSurface(_THIS, SDL_Surface *surface) |
| 1088 { | |
| 1089 /* Wait for vertical retrace and then flip display */ | |
| 1090 cache_vinfo.yoffset = flip_page*surface->h; | |
|
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1091 if ( FB_IsSurfaceBusy(this->screen) ) { |
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1092 FB_WaitBusySurfaces(this); |
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1093 } |
| 0 | 1094 wait_vbl(this); |
| 1095 if ( ioctl(console_fd, FBIOPAN_DISPLAY, &cache_vinfo) < 0 ) { | |
| 1096 SDL_SetError("ioctl(FBIOPAN_DISPLAY) failed"); | |
| 1097 return(-1); | |
| 1098 } | |
| 1099 flip_page = !flip_page; | |
| 1100 | |
| 1101 surface->pixels = flip_address[flip_page]; | |
| 1102 return(0); | |
| 1103 } | |
| 1104 | |
| 1105 static void FB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 1106 { | |
| 1107 /* The application is already updating the visible video memory */ | |
| 1108 return; | |
| 1109 } | |
| 1110 | |
| 1111 #ifdef VGA16_FBCON_SUPPORT | |
| 1112 /* Code adapted with thanks from the XFree86 VGA16 driver! :) */ | |
| 1113 #define writeGr(index, value) \ | |
| 1114 outb(index, 0x3CE); \ | |
| 1115 outb(value, 0x3CF); | |
| 1116 #define writeSeq(index, value) \ | |
| 1117 outb(index, 0x3C4); \ | |
| 1118 outb(value, 0x3C5); | |
| 1119 | |
| 1120 static void FB_VGA16Update(_THIS, int numrects, SDL_Rect *rects) | |
| 1121 { | |
| 1122 SDL_Surface *screen; | |
| 1123 int width, height, FBPitch, left, i, j, SRCPitch, phase; | |
| 1124 register Uint32 m; | |
| 1125 Uint8 s1, s2, s3, s4; | |
| 1126 Uint32 *src, *srcPtr; | |
| 1127 Uint8 *dst, *dstPtr; | |
| 1128 | |
| 1129 screen = this->screen; | |
| 1130 FBPitch = screen->w >> 3; | |
| 1131 SRCPitch = screen->pitch >> 2; | |
| 1132 | |
| 1133 writeGr(0x03, 0x00); | |
| 1134 writeGr(0x05, 0x00); | |
| 1135 writeGr(0x01, 0x00); | |
| 1136 writeGr(0x08, 0xFF); | |
| 1137 | |
| 1138 while(numrects--) { | |
| 1139 left = rects->x & ~7; | |
| 1140 width = (rects->w + 7) >> 3; | |
| 1141 height = rects->h; | |
| 1142 src = (Uint32*)screen->pixels + (rects->y * SRCPitch) + (left >> 2); | |
| 1143 dst = (Uint8*)mapped_mem + (rects->y * FBPitch) + (left >> 3); | |
| 1144 | |
| 1145 if((phase = (long)dst & 3L)) { | |
| 1146 phase = 4 - phase; | |
| 1147 if(phase > width) phase = width; | |
| 1148 width -= phase; | |
| 1149 } | |
| 1150 | |
| 1151 while(height--) { | |
| 1152 writeSeq(0x02, 1 << 0); | |
| 1153 dstPtr = dst; | |
| 1154 srcPtr = src; | |
| 1155 i = width; | |
| 1156 j = phase; | |
| 1157 while(j--) { | |
| 1158 m = (srcPtr[1] & 0x01010101) | ((srcPtr[0] & 0x01010101) << 4); | |
| 1159 *dstPtr++ = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3); | |
| 1160 srcPtr += 2; | |
| 1161 } | |
| 1162 while(i >= 4) { | |
| 1163 m = (srcPtr[1] & 0x01010101) | ((srcPtr[0] & 0x01010101) << 4); | |
| 1164 s1 = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3); | |
| 1165 m = (srcPtr[3] & 0x01010101) | ((srcPtr[2] & 0x01010101) << 4); | |
| 1166 s2 = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3); | |
| 1167 m = (srcPtr[5] & 0x01010101) | ((srcPtr[4] & 0x01010101) << 4); | |
| 1168 s3 = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3); | |
| 1169 m = (srcPtr[7] & 0x01010101) | ((srcPtr[6] & 0x01010101) << 4); | |
| 1170 s4 = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3); | |
| 1171 *((Uint32*)dstPtr) = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24); | |
| 1172 srcPtr += 8; | |
| 1173 dstPtr += 4; | |
| 1174 i -= 4; | |
| 1175 } | |
| 1176 while(i--) { | |
| 1177 m = (srcPtr[1] & 0x01010101) | ((srcPtr[0] & 0x01010101) << 4); | |
| 1178 *dstPtr++ = (m >> 24) | (m >> 15) | (m >> 6) | (m << 3); | |
| 1179 srcPtr += 2; | |
| 1180 } | |
| 1181 | |
| 1182 writeSeq(0x02, 1 << 1); | |
| 1183 dstPtr = dst; | |
| 1184 srcPtr = src; | |
| 1185 i = width; | |
| 1186 j = phase; | |
| 1187 while(j--) { | |
| 1188 m = (srcPtr[1] & 0x02020202) | ((srcPtr[0] & 0x02020202) << 4); | |
| 1189 *dstPtr++ = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2); | |
| 1190 srcPtr += 2; | |
| 1191 } | |
| 1192 while(i >= 4) { | |
| 1193 m = (srcPtr[1] & 0x02020202) | ((srcPtr[0] & 0x02020202) << 4); | |
| 1194 s1 = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2); | |
| 1195 m = (srcPtr[3] & 0x02020202) | ((srcPtr[2] & 0x02020202) << 4); | |
| 1196 s2 = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2); | |
| 1197 m = (srcPtr[5] & 0x02020202) | ((srcPtr[4] & 0x02020202) << 4); | |
| 1198 s3 = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2); | |
| 1199 m = (srcPtr[7] & 0x02020202) | ((srcPtr[6] & 0x02020202) << 4); | |
| 1200 s4 = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2); | |
| 1201 *((Uint32*)dstPtr) = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24); | |
| 1202 srcPtr += 8; | |
| 1203 dstPtr += 4; | |
| 1204 i -= 4; | |
| 1205 } | |
| 1206 while(i--) { | |
| 1207 m = (srcPtr[1] & 0x02020202) | ((srcPtr[0] & 0x02020202) << 4); | |
| 1208 *dstPtr++ = (m >> 25) | (m >> 16) | (m >> 7) | (m << 2); | |
| 1209 srcPtr += 2; | |
| 1210 } | |
| 1211 | |
| 1212 writeSeq(0x02, 1 << 2); | |
| 1213 dstPtr = dst; | |
| 1214 srcPtr = src; | |
| 1215 i = width; | |
| 1216 j = phase; | |
| 1217 while(j--) { | |
| 1218 m = (srcPtr[1] & 0x04040404) | ((srcPtr[0] & 0x04040404) << 4); | |
| 1219 *dstPtr++ = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1); | |
| 1220 srcPtr += 2; | |
| 1221 } | |
| 1222 while(i >= 4) { | |
| 1223 m = (srcPtr[1] & 0x04040404) | ((srcPtr[0] & 0x04040404) << 4); | |
| 1224 s1 = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1); | |
| 1225 m = (srcPtr[3] & 0x04040404) | ((srcPtr[2] & 0x04040404) << 4); | |
| 1226 s2 = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1); | |
| 1227 m = (srcPtr[5] & 0x04040404) | ((srcPtr[4] & 0x04040404) << 4); | |
| 1228 s3 = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1); | |
| 1229 m = (srcPtr[7] & 0x04040404) | ((srcPtr[6] & 0x04040404) << 4); | |
| 1230 s4 = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1); | |
| 1231 *((Uint32*)dstPtr) = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24); | |
| 1232 srcPtr += 8; | |
| 1233 dstPtr += 4; | |
| 1234 i -= 4; | |
| 1235 } | |
| 1236 while(i--) { | |
| 1237 m = (srcPtr[1] & 0x04040404) | ((srcPtr[0] & 0x04040404) << 4); | |
| 1238 *dstPtr++ = (m >> 26) | (m >> 17) | (m >> 8) | (m << 1); | |
| 1239 srcPtr += 2; | |
| 1240 } | |
| 1241 | |
| 1242 writeSeq(0x02, 1 << 3); | |
| 1243 dstPtr = dst; | |
| 1244 srcPtr = src; | |
| 1245 i = width; | |
| 1246 j = phase; | |
| 1247 while(j--) { | |
| 1248 m = (srcPtr[1] & 0x08080808) | ((srcPtr[0] & 0x08080808) << 4); | |
| 1249 *dstPtr++ = (m >> 27) | (m >> 18) | (m >> 9) | m; | |
| 1250 srcPtr += 2; | |
| 1251 } | |
| 1252 while(i >= 4) { | |
| 1253 m = (srcPtr[1] & 0x08080808) | ((srcPtr[0] & 0x08080808) << 4); | |
| 1254 s1 = (m >> 27) | (m >> 18) | (m >> 9) | m; | |
| 1255 m = (srcPtr[3] & 0x08080808) | ((srcPtr[2] & 0x08080808) << 4); | |
| 1256 s2 = (m >> 27) | (m >> 18) | (m >> 9) | m; | |
| 1257 m = (srcPtr[5] & 0x08080808) | ((srcPtr[4] & 0x08080808) << 4); | |
| 1258 s3 = (m >> 27) | (m >> 18) | (m >> 9) | m; | |
| 1259 m = (srcPtr[7] & 0x08080808) | ((srcPtr[6] & 0x08080808) << 4); | |
| 1260 s4 = (m >> 27) | (m >> 18) | (m >> 9) | m; | |
| 1261 *((Uint32*)dstPtr) = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24); | |
| 1262 srcPtr += 8; | |
| 1263 dstPtr += 4; | |
| 1264 i -= 4; | |
| 1265 } | |
| 1266 while(i--) { | |
| 1267 m = (srcPtr[1] & 0x08080808) | ((srcPtr[0] & 0x08080808) << 4); | |
| 1268 *dstPtr++ = (m >> 27) | (m >> 18) | (m >> 9) | m; | |
| 1269 srcPtr += 2; | |
| 1270 } | |
| 1271 | |
| 1272 dst += FBPitch; | |
| 1273 src += SRCPitch; | |
| 1274 } | |
| 1275 rects++; | |
| 1276 } | |
| 1277 } | |
| 1278 #endif /* VGA16_FBCON_SUPPORT */ | |
| 1279 | |
| 1280 void FB_SavePaletteTo(_THIS, int palette_len, __u16 *area) | |
| 1281 { | |
| 1282 struct fb_cmap cmap; | |
| 1283 | |
| 1284 cmap.start = 0; | |
| 1285 cmap.len = palette_len; | |
| 1286 cmap.red = &area[0*palette_len]; | |
| 1287 cmap.green = &area[1*palette_len]; | |
| 1288 cmap.blue = &area[2*palette_len]; | |
| 1289 cmap.transp = NULL; | |
| 1290 ioctl(console_fd, FBIOGETCMAP, &cmap); | |
| 1291 } | |
| 1292 | |
| 1293 void FB_RestorePaletteFrom(_THIS, int palette_len, __u16 *area) | |
| 1294 { | |
| 1295 struct fb_cmap cmap; | |
| 1296 | |
| 1297 cmap.start = 0; | |
| 1298 cmap.len = palette_len; | |
| 1299 cmap.red = &area[0*palette_len]; | |
| 1300 cmap.green = &area[1*palette_len]; | |
| 1301 cmap.blue = &area[2*palette_len]; | |
| 1302 cmap.transp = NULL; | |
| 1303 ioctl(console_fd, FBIOPUTCMAP, &cmap); | |
| 1304 } | |
| 1305 | |
| 1306 static void FB_SavePalette(_THIS, struct fb_fix_screeninfo *finfo, | |
| 1307 struct fb_var_screeninfo *vinfo) | |
| 1308 { | |
| 1309 int i; | |
| 1310 | |
| 1311 /* Save hardware palette, if needed */ | |
| 1312 if ( finfo->visual == FB_VISUAL_PSEUDOCOLOR ) { | |
| 1313 saved_cmaplen = 1<<vinfo->bits_per_pixel; | |
| 1314 saved_cmap=(__u16 *)malloc(3*saved_cmaplen*sizeof(*saved_cmap)); | |
| 1315 if ( saved_cmap != NULL ) { | |
| 1316 FB_SavePaletteTo(this, saved_cmaplen, saved_cmap); | |
| 1317 } | |
| 1318 } | |
| 1319 | |
| 1320 /* Added support for FB_VISUAL_DIRECTCOLOR. | |
| 1321 With this mode pixel information is passed through the palette... | |
| 1322 Neat fading and gamma correction effects can be had by simply | |
| 1323 fooling around with the palette instead of changing the pixel | |
| 1324 values themselves... Very neat! | |
| 1325 | |
| 1326 Adam Meyerowitz 1/19/2000 | |
| 1327 ameyerow@optonline.com | |
| 1328 */ | |
| 1329 if ( finfo->visual == FB_VISUAL_DIRECTCOLOR ) { | |
| 1330 __u16 new_entries[3*256]; | |
| 1331 | |
| 1332 /* Save the colormap */ | |
| 1333 saved_cmaplen = 256; | |
| 1334 saved_cmap=(__u16 *)malloc(3*saved_cmaplen*sizeof(*saved_cmap)); | |
| 1335 if ( saved_cmap != NULL ) { | |
| 1336 FB_SavePaletteTo(this, saved_cmaplen, saved_cmap); | |
| 1337 } | |
| 1338 | |
| 1339 /* Allocate new identity colormap */ | |
| 1340 for ( i=0; i<256; ++i ) { | |
| 1341 new_entries[(0*256)+i] = | |
| 1342 new_entries[(1*256)+i] = | |
| 1343 new_entries[(2*256)+i] = (i<<8)|i; | |
| 1344 } | |
| 1345 FB_RestorePaletteFrom(this, 256, new_entries); | |
| 1346 } | |
| 1347 } | |
| 1348 | |
| 1349 static void FB_RestorePalette(_THIS) | |
| 1350 { | |
| 1351 /* Restore the original palette */ | |
| 1352 if ( saved_cmap ) { | |
| 1353 FB_RestorePaletteFrom(this, saved_cmaplen, saved_cmap); | |
| 1354 free(saved_cmap); | |
| 1355 saved_cmap = NULL; | |
| 1356 } | |
| 1357 } | |
| 1358 | |
| 1359 static int FB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1360 { | |
| 1361 int i; | |
| 1362 __u16 r[256]; | |
| 1363 __u16 g[256]; | |
| 1364 __u16 b[256]; | |
| 1365 struct fb_cmap cmap; | |
| 1366 | |
| 1367 /* Set up the colormap */ | |
| 1368 for (i = 0; i < ncolors; i++) { | |
| 1369 r[i] = colors[i].r << 8; | |
| 1370 g[i] = colors[i].g << 8; | |
| 1371 b[i] = colors[i].b << 8; | |
| 1372 } | |
| 1373 cmap.start = firstcolor; | |
| 1374 cmap.len = ncolors; | |
| 1375 cmap.red = r; | |
| 1376 cmap.green = g; | |
| 1377 cmap.blue = b; | |
| 1378 cmap.transp = NULL; | |
| 1379 | |
| 1380 if( (ioctl(console_fd, FBIOPUTCMAP, &cmap) < 0) || | |
| 1381 !(this->screen->flags & SDL_HWPALETTE) ) { | |
| 1382 colors = this->screen->format->palette->colors; | |
| 1383 ncolors = this->screen->format->palette->ncolors; | |
| 1384 cmap.start = 0; | |
| 1385 cmap.len = ncolors; | |
| 1386 memset(r, 0, sizeof(r)); | |
| 1387 memset(g, 0, sizeof(g)); | |
| 1388 memset(b, 0, sizeof(b)); | |
| 1389 if ( ioctl(console_fd, FBIOGETCMAP, &cmap) == 0 ) { | |
| 1390 for ( i=ncolors-1; i>=0; --i ) { | |
| 1391 colors[i].r = (r[i]>>8); | |
| 1392 colors[i].g = (g[i]>>8); | |
| 1393 colors[i].b = (b[i]>>8); | |
| 1394 } | |
| 1395 } | |
| 1396 return(0); | |
| 1397 } | |
| 1398 return(1); | |
| 1399 } | |
| 1400 | |
| 1401 /* Note: If we are terminated, this could be called in the middle of | |
| 1402 another SDL video routine -- notably UpdateRects. | |
| 1403 */ | |
| 1404 static void FB_VideoQuit(_THIS) | |
| 1405 { | |
| 1406 int i, j; | |
| 1407 | |
| 1408 if ( this->screen ) { | |
| 1409 /* Clear screen and tell SDL not to free the pixels */ | |
| 1410 if ( this->screen->pixels && FB_InGraphicsMode(this) ) { | |
| 1411 #ifdef __powerpc__ /* SIGBUS when using memset() ?? */ | |
| 1412 Uint8 *rowp = (Uint8 *)this->screen->pixels; | |
| 1413 int left = this->screen->pitch*this->screen->h; | |
| 1414 while ( left-- ) { *rowp++ = 0; } | |
| 1415 #else | |
| 1416 memset(this->screen->pixels,0,this->screen->h*this->screen->pitch); | |
| 1417 #endif | |
| 1418 } | |
| 1419 /* This test fails when using the VGA16 shadow memory */ | |
| 1420 if ( ((char *)this->screen->pixels >= mapped_mem) && | |
| 1421 ((char *)this->screen->pixels < (mapped_mem+mapped_memlen)) ) { | |
| 1422 this->screen->pixels = NULL; | |
| 1423 } | |
| 1424 } | |
| 1425 | |
| 1426 /* Clear the lock mutex */ | |
| 1427 if ( hw_lock ) { | |
| 1428 SDL_DestroyMutex(hw_lock); | |
| 1429 hw_lock = NULL; | |
| 1430 } | |
| 1431 | |
| 1432 /* Clean up defined video modes */ | |
| 1433 for ( i=0; i<NUM_MODELISTS; ++i ) { | |
| 1434 if ( SDL_modelist[i] != NULL ) { | |
| 1435 for ( j=0; SDL_modelist[i][j]; ++j ) { | |
| 1436 free(SDL_modelist[i][j]); | |
| 1437 } | |
| 1438 free(SDL_modelist[i]); | |
| 1439 SDL_modelist[i] = NULL; | |
| 1440 } | |
| 1441 } | |
| 1442 | |
| 1443 /* Clean up the memory bucket list */ | |
| 1444 FB_FreeHWSurfaces(this); | |
| 1445 | |
| 1446 /* Close console and input file descriptors */ | |
| 1447 if ( console_fd > 0 ) { | |
| 1448 /* Unmap the video framebuffer and I/O registers */ | |
| 1449 if ( mapped_mem ) { | |
| 1450 munmap(mapped_mem, mapped_memlen); | |
| 1451 mapped_mem = NULL; | |
| 1452 } | |
| 1453 if ( mapped_io ) { | |
| 1454 munmap(mapped_io, mapped_iolen); | |
| 1455 mapped_io = NULL; | |
| 1456 } | |
| 1457 | |
| 1458 /* Restore the original video mode and palette */ | |
| 1459 if ( FB_InGraphicsMode(this) ) { | |
| 1460 FB_RestorePalette(this); | |
| 1461 ioctl(console_fd, FBIOPUT_VSCREENINFO, &saved_vinfo); | |
| 1462 } | |
| 1463 | |
| 1464 /* We're all done with the framebuffer */ | |
| 1465 close(console_fd); | |
| 1466 console_fd = -1; | |
| 1467 } | |
| 1468 FB_CloseMouse(this); | |
| 1469 FB_CloseKeyboard(this); | |
| 1470 } |