1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 Sam Lantinga 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 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 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 18 19 Sam Lantinga 20 slouken (at) libsdl.org 21 */ 22 #include "SDL_config.h" 23 24 /* 25 GEM video driver 26 27 Patrice Mandin 28 and work from 29 Olivier Landemarre, Johan Klockars, Xavier Joubert, Claude Attard 30 */ 31 32 /* Mint includes */ 33 #include <gem.h> 34 #include <gemx.h> 35 #include <mint/osbind.h> 36 #include <mint/cookie.h> 37 38 #include "SDL_endian.h" 39 #include "SDL_video.h" 40 #include "SDL_mouse.h" 41 #include "../SDL_sysvideo.h" 42 #include "../SDL_pixels_c.h" 43 #include "../../events/SDL_events_c.h" 44 #include "../SDL_cursor_c.h" 45 46 #include "../ataricommon/SDL_ataric2p_s.h" 47 #include "../ataricommon/SDL_atarieddi_s.h" 48 #include "../ataricommon/SDL_atarimxalloc_c.h" 49 #include "../ataricommon/SDL_atarigl_c.h" 50 51 #include "SDL_gemvideo.h" 52 #include "SDL_gemevents_c.h" 53 #include "SDL_gemmouse_c.h" 54 #include "SDL_gemwm_c.h" 55 #include "../ataricommon/SDL_xbiosevents_c.h" 56 #include "../ataricommon/SDL_ataridevmouse_c.h" 57 58 /* Defines */ 59 60 /*#define DEBUG_VIDEO_GEM 1*/ 61 62 #define GEM_VID_DRIVER_NAME "gem" 63 64 #undef MIN 65 #define MIN(a,b) (((a)<(b)) ? (a) : (b)) 66 #undef MAX 67 #define MAX(a,b) (((a)>(b)) ? (a) : (b)) 68 69 /* Variables */ 70 71 static unsigned char vdi_index[256] = { 72 0, 2, 3, 6, 4, 7, 5, 8, 73 9, 10, 11, 14, 12, 15, 13, 255 74 }; 75 76 static const char empty_name[]=""; 77 78 /* Initialization/Query functions */ 79 static int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat); 80 static SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); 81 static SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); 82 static int GEM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); 83 static void GEM_VideoQuit(_THIS); 84 85 /* Hardware surface functions */ 86 static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface); 87 static int GEM_LockHWSurface(_THIS, SDL_Surface *surface); 88 static int GEM_FlipHWSurface(_THIS, SDL_Surface *surface); 89 static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface); 90 static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface); 91 static void GEM_UpdateRects(_THIS, int numrects, SDL_Rect *rects); 92 #if 0 93 static int GEM_ToggleFullScreen(_THIS, int on); 94 #endif 95 96 /* Internal functions */ 97 static void GEM_FreeBuffers(_THIS); 98 static void GEM_ClearScreen(_THIS); 99 static void GEM_ClearRect(_THIS, short *rect); 100 static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3]); 101 static void GEM_LockScreen(_THIS); 102 static void GEM_UnlockScreen(_THIS); 103 static void refresh_window(_THIS, int winhandle, short *rect); 104 105 #if SDL_VIDEO_OPENGL 106 /* OpenGL functions */ 107 static void GEM_GL_SwapBuffers(_THIS); 108 #endif 109 110 /* GEM driver bootstrap functions */ 111 112 static int GEM_Available(void) 113 { 114 /* Test if AES available */ 115 if (appl_init() == -1) 116 return 0; 117 118 appl_exit(); 119 return 1; 120 } 121 122 static void GEM_DeleteDevice(SDL_VideoDevice *device) 123 { 124 SDL_free(device->hidden); 125 SDL_free(device); 126 } 127 128 static SDL_VideoDevice *GEM_CreateDevice(int devindex) 129 { 130 SDL_VideoDevice *device; 131 int vectors_mask; 132 /* unsigned long dummy;*/ 133 134 /* Initialize all variables that we clean on shutdown */ 135 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); 136 if ( device ) { 137 SDL_memset(device, 0, (sizeof *device)); 138 device->hidden = (struct SDL_PrivateVideoData *) 139 SDL_malloc((sizeof *device->hidden)); 140 device->gl_data = (struct SDL_PrivateGLData *) 141 SDL_malloc((sizeof *device->gl_data)); 142 } 143 if ( (device == NULL) || (device->hidden == NULL) ) { 144 SDL_OutOfMemory(); 145 if ( device ) { 146 SDL_free(device); 147 } 148 return(0); 149 } 150 SDL_memset(device->hidden, 0, (sizeof *device->hidden)); 151 SDL_memset(device->gl_data, 0, sizeof(*device->gl_data)); 152 153 /* Set the function pointers */ 154 device->VideoInit = GEM_VideoInit; 155 device->ListModes = GEM_ListModes; 156 device->SetVideoMode = GEM_SetVideoMode; 157 device->SetColors = GEM_SetColors; 158 device->UpdateRects = NULL /*GEM_UpdateRects*/; 159 device->VideoQuit = GEM_VideoQuit; 160 device->AllocHWSurface = GEM_AllocHWSurface; 161 device->LockHWSurface = GEM_LockHWSurface; 162 device->UnlockHWSurface = GEM_UnlockHWSurface; 163 device->FlipHWSurface = GEM_FlipHWSurface; 164 device->FreeHWSurface = GEM_FreeHWSurface; 165 device->ToggleFullScreen = NULL /*GEM_ToggleFullScreen*/; 166 167 /* Window manager */ 168 device->SetCaption = GEM_SetCaption; 169 device->SetIcon = GEM_SetIcon; 170 device->IconifyWindow = GEM_IconifyWindow; 171 device->GrabInput = GEM_GrabInput; 172 173 /* Events */ 174 device->InitOSKeymap = GEM_InitOSKeymap; 175 device->PumpEvents = GEM_PumpEvents; 176 177 /* Mouse */ 178 device->FreeWMCursor = GEM_FreeWMCursor; 179 device->CreateWMCursor = GEM_CreateWMCursor; 180 device->ShowWMCursor = GEM_ShowWMCursor; 181 device->WarpWMCursor = NULL /*GEM_WarpWMCursor*/; 182 device->CheckMouseMode = GEM_CheckMouseMode; 183 184 #if SDL_VIDEO_OPENGL 185 /* OpenGL functions */ 186 device->GL_LoadLibrary = SDL_AtariGL_LoadLibrary; 187 device->GL_GetProcAddress = SDL_AtariGL_GetProcAddress; 188 device->GL_GetAttribute = SDL_AtariGL_GetAttribute; 189 device->GL_MakeCurrent = SDL_AtariGL_MakeCurrent; 190 device->GL_SwapBuffers = GEM_GL_SwapBuffers; 191 #endif 192 193 device->hidden->use_dev_mouse = 194 (SDL_AtariDevMouse_Open()!=0) ? SDL_TRUE : SDL_FALSE; 195 196 vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */ 197 if (!(device->hidden->use_dev_mouse)) { 198 vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */ 199 } 200 /* if (Getcookie(C_MiNT, &dummy)==C_FOUND) { 201 vectors_mask = 0; 202 }*/ 203 204 SDL_AtariXbios_InstallVectors(vectors_mask); 205 206 device->free = GEM_DeleteDevice; 207 208 return device; 209 } 210 211 VideoBootStrap GEM_bootstrap = { 212 GEM_VID_DRIVER_NAME, "Atari GEM video driver", 213 GEM_Available, GEM_CreateDevice 214 }; 215 216 static void VDI_ReadExtInfo(_THIS, short *work_out) 217 { 218 unsigned long EdDI_version; 219 long cookie_EdDI; 220 Uint16 clut_type; 221 222 /* Read EdDI informations */ 223 if (Getcookie(C_EdDI, &cookie_EdDI) == C_NOTFOUND) { 224 return; 225 } 226 227 EdDI_version = Atari_get_EdDI_version( (void *)cookie_EdDI); 228 229 vq_scrninfo(VDI_handle, work_out); 230 231 VDI_format = work_out[0]; 232 clut_type = work_out[1]; 233 234 /* With EdDI>=1.1, we can have screen pitch, address and format 235 * so we can directly write to screen without using vro_cpyfm 236 */ 237 if (EdDI_version >= EDDI_11) { 238 VDI_pitch = work_out[5]; 239 VDI_screen = (void *) *((unsigned long *) &work_out[6]); 240 } 241 242 switch(clut_type) { 243 case VDI_CLUT_HARDWARE: 244 { 245 int i; 246 Uint16 *tmp_p; 247 248 tmp_p = (Uint16 *)&work_out[16]; 249 250 for (i=0;i<256;i++) { 251 vdi_index[*tmp_p++] = i; 252 } 253 } 254 break; 255 case VDI_CLUT_SOFTWARE: 256 { 257 int component; /* red, green, blue, alpha, overlay */ 258 int num_bit; 259 unsigned short *tmp_p; 260 261 /* We can build masks with info here */ 262 tmp_p = (unsigned short *) &work_out[16]; 263 for (component=0;component<5;component++) { 264 for (num_bit=0;num_bit<16;num_bit++) { 265 unsigned short valeur; 266 267 valeur = *tmp_p++; 268 269 if (valeur == 0xffff) { 270 continue; 271 } 272 273 switch(component) { 274 case 0: 275 VDI_redmask |= 1<< valeur; 276 break; 277 case 1: 278 VDI_greenmask |= 1<< valeur; 279 break; 280 case 2: 281 VDI_bluemask |= 1<< valeur; 282 break; 283 case 3: 284 VDI_alphamask |= 1<< valeur; 285 break; 286 } 287 } 288 } 289 } 290 291 /* Remove lower green bits for Intel endian screen */ 292 if ((VDI_greenmask == ((7<<13)|3)) || (VDI_greenmask == ((7<<13)|7))) { 293 VDI_greenmask &= ~(7<<13); 294 } 295 break; 296 case VDI_CLUT_NONE: 297 break; 298 } 299 } 300 301 int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat) 302 { 303 int i, menubar_size; 304 short work_in[12], work_out[272], dummy; 305 306 /* Open AES (Application Environment Services) */ 307 if (appl_init() == -1) { 308 fprintf(stderr,"Can not open AES\n"); 309 return 1; 310 } 311 312 /* Read version and features */ 313 GEM_version = aes_global[0]; 314 if (GEM_version >= 0x0410) { 315 short ap_gout[4], errorcode; 316 317 GEM_wfeatures=0; 318 errorcode=appl_getinfo(AES_WINDOW, &ap_gout[0], &ap_gout[1], &ap_gout[2], &ap_gout[3]); 319 320 if (errorcode==0) { 321 GEM_wfeatures=ap_gout[0]; 322 } 323 } 324 325 /* Ask VDI physical workstation handle opened by AES */ 326 VDI_handle = graf_handle(&dummy, &dummy, &dummy, &dummy); 327 if (VDI_handle<1) { 328 fprintf(stderr,"Wrong VDI handle %d returned by AES\n",VDI_handle); 329 return 1; 330 } 331 332 /* Open virtual VDI workstation */ 333 work_in[0]=Getrez()+2; 334 for(i = 1; i < 10; i++) 335 work_in[i] = 1; 336 work_in[10] = 2; 337 338 v_opnvwk(work_in, &VDI_handle, work_out); 339 if (VDI_handle == 0) { 340 fprintf(stderr,"Can not open VDI virtual workstation\n"); 341 return 1; 342 } 343 344 /* Read fullscreen size */ 345 VDI_w = work_out[0] + 1; 346 VDI_h = work_out[1] + 1; 347 348 /* Read desktop size and position */ 349 if (!wind_get(DESKTOP_HANDLE, WF_WORKXYWH, &GEM_desk_x, &GEM_desk_y, &GEM_desk_w, &GEM_desk_h)) { 350 fprintf(stderr,"Can not read desktop properties\n"); 351 return 1; 352 } 353 354 /* Read bit depth */ 355 vq_extnd(VDI_handle, 1, work_out); 356 VDI_bpp = work_out[4]; 357 VDI_oldnumcolors=0; 358 359 switch(VDI_bpp) { 360 case 8: 361 VDI_pixelsize=1; 362 break; 363 case 15: 364 case 16: 365 VDI_pixelsize=2; 366 break; 367 case 24: 368 VDI_pixelsize=3; 369 break; 370 case 32: 371 VDI_pixelsize=4; 372 break; 373 default: 374 fprintf(stderr,"%d bits colour depth not supported\n",VDI_bpp); 375 return 1; 376 } 377 378 /* Setup hardware -> VDI palette mapping */ 379 for(i = 16; i < 255; i++) { 380 vdi_index[i] = i; 381 } 382 vdi_index[255] = 1; 383 384 /* Save current palette */ 385 if (VDI_bpp>8) { 386 VDI_oldnumcolors=1<<8; 387 } else { 388 VDI_oldnumcolors=1<<VDI_bpp; 389 } 390 391 for(i = 0; i < VDI_oldnumcolors; i++) { 392 short rgb[3]; 393 394 vq_color(VDI_handle, i, 0, rgb); 395 396 VDI_oldpalette[i][0] = rgb[0]; 397 VDI_oldpalette[i][1] = rgb[1]; 398 VDI_oldpalette[i][2] = rgb[2]; 399 } 400 VDI_setpalette = GEM_SetNewPalette; 401 SDL_memcpy(VDI_curpalette,VDI_oldpalette,sizeof(VDI_curpalette)); 402 403 /* Setup screen info */ 404 GEM_title_name = empty_name; 405 GEM_icon_name = empty_name; 406 407 GEM_handle = -1; 408 GEM_locked = SDL_FALSE; 409 GEM_win_fulled = SDL_FALSE; 410 GEM_fullscreen = SDL_FALSE; 411 GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers are setup */ 412 413 VDI_screen = NULL; 414 VDI_pitch = VDI_w * VDI_pixelsize; 415 VDI_format = ( (VDI_bpp <= 8) ? VDI_FORMAT_INTER : VDI_FORMAT_PACK); 416 VDI_redmask = VDI_greenmask = VDI_bluemask = VDI_alphamask = 0; 417 VDI_ReadExtInfo(this, work_out); 418 419 #ifdef DEBUG_VIDEO_GEM 420 printf("sdl:video:gem: screen: address=0x%08x, pitch=%d\n", VDI_screen, VDI_pitch); 421 printf("sdl:video:gem: format=%d\n", VDI_format); 422 printf("sdl:video:gem: masks: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", 423 VDI_alphamask, VDI_redmask, VDI_greenmask, VDI_bluemask 424 ); 425 #endif 426 427 /* Setup destination mfdb */ 428 VDI_dst_mfdb.fd_addr = NULL; 429 430 /* Determine the current screen size */ 431 this->info.current_w = VDI_w; 432 this->info.current_h = VDI_h; 433 434 /* Determine the screen depth */ 435 /* we change this during the SDL_SetVideoMode implementation... */ 436 vformat->BitsPerPixel = VDI_bpp; 437 438 /* Set mouse cursor to arrow */ 439 graf_mouse(ARROW, NULL); 440 GEM_cursor = NULL; 441 442 /* Init chunky to planar routine */ 443 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8; 444 445 /* Setup VDI fill functions */ 446 vsf_color(VDI_handle,0); 447 vsf_interior(VDI_handle,1); 448 vsf_perimeter(VDI_handle,0); 449 450 /* Menu bar save buffer */ 451 menubar_size = GEM_desk_w * GEM_desk_y * VDI_pixelsize; 452 GEM_menubar=Atari_SysMalloc(menubar_size,MX_PREFTTRAM); 453 454 /* Fill video modes list */ 455 SDL_modelist[0] = SDL_malloc(sizeof(SDL_Rect)); 456 SDL_modelist[0]->x = 0; 457 SDL_modelist[0]->y = 0; 458 SDL_modelist[0]->w = VDI_w; 459 SDL_modelist[0]->h = VDI_h; 460 461 SDL_modelist[1] = NULL; 462 463 #if SDL_VIDEO_OPENGL 464 SDL_AtariGL_InitPointers(this); 465 #endif 466 467 this->info.wm_available = 1; 468 469 /* We're done! */ 470 return(0); 471 } 472 473 SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) 474 { 475 if (format->BitsPerPixel != VDI_bpp) { 476 return ((SDL_Rect **)NULL); 477 } 478 479 if (flags & SDL_FULLSCREEN) { 480 return (SDL_modelist); 481 } 482 483 return((SDL_Rect **)-1); 484 } 485 486 static void GEM_FreeBuffers(_THIS) 487 { 488 /* Release buffer */ 489 if ( GEM_buffer2 ) { 490 Mfree( GEM_buffer2 ); 491 GEM_buffer2=NULL; 492 } 493 494 if ( GEM_buffer1 ) { 495 Mfree( GEM_buffer1 ); 496 GEM_buffer1=NULL; 497 } 498 } 499 500 static void GEM_ClearRect(_THIS, short *rect) 501 { 502 short oldrgb[3], rgb[3]={0,0,0}; 503 504 vq_color(VDI_handle, vdi_index[0], 0, oldrgb); 505 vs_color(VDI_handle, vdi_index[0], rgb); 506 507 vsf_color(VDI_handle,0); 508 vsf_interior(VDI_handle,1); 509 vsf_perimeter(VDI_handle,0); 510 v_bar(VDI_handle, rect); 511 512 vs_color(VDI_handle, vdi_index[0], oldrgb); 513 } 514 515 static void GEM_ClearScreen(_THIS) 516 { 517 short pxy[4]; 518 519 v_hide_c(VDI_handle); 520 521 pxy[0] = pxy[1] = 0; 522 pxy[2] = VDI_w - 1; 523 pxy[3] = VDI_h - 1; 524 GEM_ClearRect(this, pxy); 525 526 v_show_c(VDI_handle, 1); 527 } 528 529 static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3]) 530 { 531 int i; 532 short rgb[3]; 533 534 if (VDI_oldnumcolors==0) 535 return; 536 537 for(i = 0; i < VDI_oldnumcolors; i++) { 538 rgb[0] = newpal[i][0]; 539 rgb[1] = newpal[i][1]; 540 rgb[2] = newpal[i][2]; 541 542 vs_color(VDI_handle, i, rgb); 543 } 544 } 545 546 static void GEM_LockScreen(_THIS) 547 { 548 if (!GEM_locked) { 549 /* Lock AES */ 550 wind_update(BEG_UPDATE); 551 wind_update(BEG_MCTRL); 552 /* Reserve memory space, used to be sure of compatibility */ 553 form_dial( FMD_START, 0,0,0,0, 0,0,VDI_w,VDI_h); 554 555 /* Save menu bar */ 556 if (GEM_menubar) { 557 MFDB mfdb_src; 558 short blitcoords[8]; 559 560 mfdb_src.fd_addr=GEM_menubar; 561 mfdb_src.fd_w=GEM_desk_w; 562 mfdb_src.fd_h=GEM_desk_y; 563 mfdb_src.fd_wdwidth=GEM_desk_w>>4; 564 mfdb_src.fd_nplanes=VDI_bpp; 565 mfdb_src.fd_stand= 566 mfdb_src.fd_r1= 567 mfdb_src.fd_r2= 568 mfdb_src.fd_r3= 0; 569 570 blitcoords[0] = blitcoords[4] = 0; 571 blitcoords[1] = blitcoords[5] = 0; 572 blitcoords[2] = blitcoords[6] = GEM_desk_w-1; 573 blitcoords[3] = blitcoords[7] = GEM_desk_y-1; 574 575 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &VDI_dst_mfdb, &mfdb_src); 576 } 577 578 GEM_locked=SDL_TRUE; 579 } 580 } 581 582 static void GEM_UnlockScreen(_THIS) 583 { 584 if (GEM_locked) { 585 /* Restore menu bar */ 586 if (GEM_menubar) { 587 MFDB mfdb_src; 588 short blitcoords[8]; 589 590 mfdb_src.fd_addr=GEM_menubar; 591 mfdb_src.fd_w=GEM_desk_w; 592 mfdb_src.fd_h=GEM_desk_y; 593 mfdb_src.fd_wdwidth=GEM_desk_w>>4; 594 mfdb_src.fd_nplanes=VDI_bpp; 595 mfdb_src.fd_stand= 596 mfdb_src.fd_r1= 597 mfdb_src.fd_r2= 598 mfdb_src.fd_r3= 0; 599 600 blitcoords[0] = blitcoords[4] = 0; 601 blitcoords[1] = blitcoords[5] = 0; 602 blitcoords[2] = blitcoords[6] = GEM_desk_w-1; 603 blitcoords[3] = blitcoords[7] = GEM_desk_y-1; 604 605 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb); 606 } 607 608 /* Restore screen memory, and send REDRAW to all apps */ 609 form_dial( FMD_FINISH, 0,0,0,0, 0,0,VDI_w,VDI_h); 610 /* Unlock AES */ 611 wind_update(END_MCTRL); 612 wind_update(END_UPDATE); 613 614 GEM_locked=SDL_FALSE; 615 } 616 } 617 618 SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current, 619 int width, int height, int bpp, Uint32 flags) 620 { 621 Uint32 modeflags, screensize; 622 SDL_bool use_shadow1, use_shadow2; 623 624 /* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */ 625 if ((width & 15) != 0) { 626 width = (width | 15) +1; 627 } 628 629 /*--- Verify if asked mode can be used ---*/ 630 if (VDI_bpp != bpp) { 631 SDL_SetError("%d bpp mode not supported", bpp); 632 return(NULL); 633 } 634 635 if (flags & SDL_FULLSCREEN) { 636 if ((VDI_w < width) || (VDI_h < height)) { 637 SDL_SetError("%dx%d mode is too large", width, height); 638 return(NULL); 639 } 640 } 641 642 /*--- Allocate the new pixel format for the screen ---*/ 643 if ( ! SDL_ReallocFormat(current, VDI_bpp, VDI_redmask, VDI_greenmask, VDI_bluemask, VDI_alphamask) ) { 644 SDL_SetError("Couldn't allocate new pixel format for requested mode"); 645 return(NULL); 646 } 647 648 screensize = width * height * VDI_pixelsize; 649 650 #ifdef DEBUG_VIDEO_GEM 651 printf("sdl:video:gem: setvideomode(): %dx%dx%d = %d\n", width, height, bpp, screensize); 652 #endif 653 654 /*--- Allocate shadow buffers if needed, and conversion operations ---*/ 655 GEM_FreeBuffers(this); 656 657 GEM_bufops=0; 658 use_shadow1=use_shadow2=SDL_FALSE; 659 if (VDI_screen && (flags & SDL_FULLSCREEN)) { 660 if (VDI_format==VDI_FORMAT_INTER) { 661 use_shadow1=SDL_TRUE; 662 GEM_bufops = B2S_C2P_1TOS; 663 } 664 } else { 665 use_shadow1=SDL_TRUE; 666 if (VDI_format==VDI_FORMAT_PACK) { 667 GEM_bufops = B2S_VROCPYFM_1TOS; 668 } else { 669 use_shadow2=SDL_TRUE; 670 GEM_bufops = B2S_C2P_1TO2|B2S_VROCPYFM_2TOS; 671 } 672 } 673 674 if (use_shadow1) { 675 GEM_buffer1 = Atari_SysMalloc(screensize, MX_PREFTTRAM); 676 if (GEM_buffer1==NULL) { 677 SDL_SetError("Can not allocate %d KB for frame buffer", screensize>>10); 678 return NULL; 679 } 680 SDL_memset(GEM_buffer1, 0, screensize); 681 #ifdef DEBUG_VIDEO_GEM 682 printf("sdl:video:gem: setvideomode(): allocated buffer 1\n"); 683 #endif 684 } 685 686 if (use_shadow2) { 687 GEM_buffer2 = Atari_SysMalloc(screensize, MX_PREFTTRAM); 688 if (GEM_buffer2==NULL) { 689 SDL_SetError("Can not allocate %d KB for shadow buffer", screensize>>10); 690 return NULL; 691 } 692 SDL_memset(GEM_buffer2, 0, screensize); 693 #ifdef DEBUG_VIDEO_GEM 694 printf("sdl:video:gem: setvideomode(): allocated buffer 2\n"); 695 #endif 696 } 697 698 /*--- Initialize screen ---*/ 699 modeflags = SDL_PREALLOC; 700 if (VDI_bpp == 8) { 701 modeflags |= SDL_HWPALETTE; 702 } 703 704 if (flags & SDL_FULLSCREEN) { 705 GEM_LockScreen(this); 706 707 GEM_ClearScreen(this); 708 709 modeflags |= SDL_FULLSCREEN; 710 if (VDI_screen && (VDI_format==VDI_FORMAT_PACK) && !use_shadow1) { 711 modeflags |= SDL_HWSURFACE; 712 } else { 713 modeflags |= SDL_SWSURFACE; 714 } 715 716 GEM_fullscreen = SDL_TRUE; 717 } else { 718 int old_win_type; 719 short x2,y2,w2,h2; 720 721 GEM_UnlockScreen(this); 722 723 /* Set window gadgets */ 724 old_win_type = GEM_win_type; 725 if (!(flags & SDL_NOFRAME)) { 726 GEM_win_type=NAME|MOVER|CLOSER|SMALLER; 727 if (flags & SDL_RESIZABLE) { 728 GEM_win_type |= FULLER|SIZER; 729 modeflags |= SDL_RESIZABLE; 730 } 731 } else { 732 GEM_win_type=0; 733 modeflags |= SDL_NOFRAME; 734 } 735 modeflags |= SDL_SWSURFACE; 736 737 /* Recreate window ? only for different widget or non-created window */ 738 if ((old_win_type != GEM_win_type) || (GEM_handle < 0)) { 739 /* Calculate window size */ 740 if (!wind_calc(WC_BORDER, GEM_win_type, 0,0,width,height, &x2,&y2,&w2,&h2)) { 741 GEM_FreeBuffers(this); 742 SDL_SetError("Can not calculate window attributes"); 743 return NULL; 744 } 745 746 /* Center window */ 747 x2 = (GEM_desk_w-w2)>>1; 748 y2 = (GEM_desk_h-h2)>>1; 749 if (x2<0) { 750 x2 = 0; 751 } 752 if (y2<0) { 753 y2 = 0; 754 } 755 x2 += GEM_desk_x; 756 y2 += GEM_desk_y; 757 758 /* Destroy existing window */ 759 if (GEM_handle >= 0) { 760 wind_close(GEM_handle); 761 wind_delete(GEM_handle); 762 } 763 764 /* Create window */ 765 GEM_handle=wind_create(GEM_win_type, x2,y2,w2,h2); 766 if (GEM_handle<0) { 767 GEM_FreeBuffers(this); 768 SDL_SetError("Can not create window"); 769 return NULL; 770 } 771 772 #ifdef DEBUG_VIDEO_GEM 773 printf("sdl:video:gem: handle=%d\n", GEM_handle); 774 #endif 775 776 /* Setup window name */ 777 wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_title_name)>>16),(short)(((unsigned long)GEM_title_name) & 0xffff),0,0); 778 GEM_refresh_name = SDL_FALSE; 779 780 /* Open the window */ 781 wind_open(GEM_handle,x2,y2,w2,h2); 782 } else { 783 /* Resize window to fit asked video mode */ 784 wind_get (GEM_handle, WF_WORKXYWH, &x2,&y2,&w2,&h2); 785 if (wind_calc(WC_BORDER, GEM_win_type, x2,y2,width,height, &x2,&y2,&w2,&h2)) { 786 wind_set (GEM_handle, WF_CURRXYWH, x2,y2,w2,h2); 787 } 788 } 789 790 GEM_fullscreen = SDL_FALSE; 791 } 792 793 /* Set up the new mode framebuffer */ 794 current->w = width; 795 current->h = height; 796 if (use_shadow1) { 797 current->pixels = GEM_buffer1; 798 current->pitch = width * VDI_pixelsize; 799 } else { 800 current->pixels = VDI_screen; 801 current->pitch = VDI_pitch; 802 } 803 804 #if SDL_VIDEO_OPENGL 805 if (flags & SDL_OPENGL) { 806 if (!SDL_AtariGL_Init(this, current)) { 807 GEM_FreeBuffers(this); 808 SDL_SetError("Can not create OpenGL context"); 809 return NULL; 810 } 811 812 modeflags |= SDL_OPENGL; 813 } 814 #endif 815 816 current->flags = modeflags; 817 818 #ifdef DEBUG_VIDEO_GEM 819 printf("sdl:video:gem: surface: %dx%d\n", current->w, current->h); 820 #endif 821 822 this->UpdateRects = GEM_UpdateRects; 823 GEM_lock_redraw = SDL_FALSE; /* Enable redraw */ 824 825 /* We're done */ 826 return(current); 827 } 828 829 static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface) 830 { 831 return -1; 832 } 833 834 static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface) 835 { 836 return; 837 } 838 839 static int GEM_LockHWSurface(_THIS, SDL_Surface *surface) 840 { 841 return(0); 842 } 843 844 static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface) 845 { 846 return; 847 } 848 849 static void GEM_UpdateRectsFullscreen(_THIS, int numrects, SDL_Rect *rects) 850 { 851 SDL_Surface *surface; 852 int i, surf_width; 853 854 surface = this->screen; 855 /* Need to be a multiple of 16 pixels */ 856 surf_width=surface->w; 857 if ((surf_width & 15) != 0) { 858 surf_width = (surf_width | 15) + 1; 859 } 860 861 if (GEM_bufops & (B2S_C2P_1TO2|B2S_C2P_1TOS)) { 862 void *destscr; 863 int destpitch; 864 865 if (GEM_bufops & B2S_C2P_1TOS) { 866 destscr = VDI_screen; 867 destpitch = VDI_pitch; 868 } else { 869 destscr = GEM_buffer2; 870 destpitch = surface->pitch; 871 } 872 873 for (i=0;i<numrects;i++) { 874 void *source,*destination; 875 int x1,x2; 876 877 x1 = rects[i].x & ~15; 878 x2 = rects[i].x+rects[i].w; 879 if (x2 & 15) { 880 x2 = (x2 | 15) +1; 881 } 882 883 source = surface->pixels; 884 source += surface->pitch * rects[i].y; 885 source += x1; 886 887 destination = destscr; 888 destination += destpitch * rects[i].y; 889 destination += x1; 890 891 SDL_Atari_C2pConvert( 892 source, destination, 893 x2-x1, rects[i].h, 894 SDL_FALSE, 895 surface->pitch, destpitch 896 ); 897 } 898 } 899 900 if (GEM_bufops & (B2S_VROCPYFM_1TOS|B2S_VROCPYFM_2TOS)) { 901 MFDB mfdb_src; 902 short blitcoords[8]; 903 904 mfdb_src.fd_addr=surface->pixels; 905 mfdb_src.fd_w=surf_width; 906 mfdb_src.fd_h=surface->h; 907 mfdb_src.fd_wdwidth= (surface->pitch/VDI_pixelsize) >> 4; 908 mfdb_src.fd_nplanes=surface->format->BitsPerPixel; 909 mfdb_src.fd_stand= 910 mfdb_src.fd_r1= 911 mfdb_src.fd_r2= 912 mfdb_src.fd_r3= 0; 913 if (GEM_bufops & B2S_VROCPYFM_2TOS) { 914 mfdb_src.fd_addr=GEM_buffer2; 915 } 916 917 for ( i=0; i<numrects; ++i ) { 918 blitcoords[0] = blitcoords[4] = rects[i].x; 919 blitcoords[1] = blitcoords[5] = rects[i].y; 920 blitcoords[2] = blitcoords[6] = rects[i].x + rects[i].w - 1; 921 blitcoords[3] = blitcoords[7] = rects[i].y + rects[i].h - 1; 922 923 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb); 924 } 925 } 926 } 927 928 static void GEM_UpdateRectsWindowed(_THIS, int numrects, SDL_Rect *rects) 929 { 930 short pxy[4], wind_pxy[4]; 931 int i; 932 933 if (wind_get(GEM_handle, WF_WORKXYWH, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])==0) { 934 return; 935 } 936 937 for ( i=0; i<numrects; ++i ) { 938 pxy[0] = wind_pxy[0] + rects[i].x; 939 pxy[1] = wind_pxy[1] + rects[i].y; 940 pxy[2] = rects[i].w; 941 pxy[3] = rects[i].h; 942 943 GEM_wind_redraw(this, GEM_handle, pxy); 944 } 945 } 946 947 static void GEM_UpdateRects(_THIS, int numrects, SDL_Rect *rects) 948 { 949 SDL_Surface *surface; 950 951 if (GEM_lock_redraw) { 952 return; 953 } 954 955 surface = this->screen; 956 957 if (surface->flags & SDL_FULLSCREEN) { 958 GEM_UpdateRectsFullscreen(this, numrects, rects); 959 } else { 960 GEM_UpdateRectsWindowed(this, numrects, rects); 961 } 962 } 963 964 static int GEM_FlipHWSurfaceFullscreen(_THIS, SDL_Surface *surface) 965 { 966 int surf_width; 967 968 /* Need to be a multiple of 16 pixels */ 969 surf_width=surface->w; 970 if ((surf_width & 15) != 0) { 971 surf_width = (surf_width | 15) + 1; 972 } 973 974 if (GEM_bufops & (B2S_C2P_1TO2|B2S_C2P_1TOS)) { 975 void *destscr; 976 int destpitch; 977 978 if (GEM_bufops & B2S_C2P_1TOS) { 979 destscr = VDI_screen; 980 destpitch = VDI_pitch; 981 } else { 982 destscr = GEM_buffer2; 983 destpitch = surface->pitch; 984 } 985 986 SDL_Atari_C2pConvert( 987 surface->pixels, destscr, 988 surf_width, surface->h, 989 SDL_FALSE, 990 surface->pitch, destpitch 991 ); 992 } 993 994 if (GEM_bufops & (B2S_VROCPYFM_1TOS|B2S_VROCPYFM_2TOS)) { 995 MFDB mfdb_src; 996 short blitcoords[8]; 997 998 mfdb_src.fd_w=surf_width; 999 mfdb_src.fd_h=surface->h; 1000 mfdb_src.fd_wdwidth=mfdb_src.fd_w >> 4; 1001 mfdb_src.fd_nplanes=surface->format->BitsPerPixel; 1002 mfdb_src.fd_stand= 1003 mfdb_src.fd_r1= 1004 mfdb_src.fd_r2= 1005 mfdb_src.fd_r3= 0; 1006 if (GEM_bufops & B2S_VROCPYFM_1TOS) { 1007 mfdb_src.fd_addr=surface->pixels; 1008 } else { 1009 mfdb_src.fd_addr=GEM_buffer2; 1010 } 1011 1012 blitcoords[0] = blitcoords[4] = 0; 1013 blitcoords[1] = blitcoords[5] = 0; 1014 blitcoords[2] = blitcoords[6] = surface->w - 1; 1015 blitcoords[3] = blitcoords[7] = surface->h - 1; 1016 1017 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb); 1018 } 1019 1020 return(0); 1021 } 1022 1023 static int GEM_FlipHWSurfaceWindowed(_THIS, SDL_Surface *surface) 1024 { 1025 short pxy[8]; 1026 1027 /* Update the whole window */ 1028 wind_get(GEM_handle, WF_WORKXYWH, &pxy[0], &pxy[1], &pxy[2], &pxy[3]); 1029 1030 GEM_wind_redraw(this, GEM_handle, pxy); 1031 1032 return(0); 1033 } 1034 1035 static int GEM_FlipHWSurface(_THIS, SDL_Surface *surface) 1036 { 1037 if (GEM_lock_redraw) { 1038 return(0); 1039 } 1040 1041 if (surface->flags & SDL_FULLSCREEN) { 1042 return GEM_FlipHWSurfaceFullscreen(this, surface); 1043 } else { 1044 return GEM_FlipHWSurfaceWindowed(this, surface); 1045 } 1046 } 1047 1048 static int GEM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) 1049 { 1050 int i; 1051 SDL_Surface *surface; 1052 1053 #ifdef DEBUG_VIDEO_GEM 1054 printf("sdl:video:gem: setcolors()\n"); 1055 #endif 1056 1057 /* Do not change palette in True Colour */ 1058 surface = this->screen; 1059 if (surface->format->BitsPerPixel > 8) { 1060 return 1; 1061 } 1062 1063 for(i = 0; i < ncolors; i++) 1064 { 1065 int r, g, b; 1066 short rgb[3]; 1067 1068 r = colors[i].r; 1069 g = colors[i].g; 1070 b = colors[i].b; 1071 1072 rgb[0] = VDI_curpalette[i][0] = (1000 * r) / 255; 1073 rgb[1] = VDI_curpalette[i][1] =(1000 * g) / 255; 1074 rgb[2] = VDI_curpalette[i][2] =(1000 * b) / 255; 1075 1076 vs_color(VDI_handle, vdi_index[firstcolor+i], rgb); 1077 } 1078 1079 return(1); 1080 } 1081 1082 #if 0 1083 static int GEM_ToggleFullScreen(_THIS, int on) 1084 { 1085 if (on) { 1086 GEM_LockScreen(this); 1087 } else { 1088 GEM_UnlockScreen(this); 1089 } 1090 1091 return(1); 1092 } 1093 #endif 1094 1095 /* Note: If we are terminated, this could be called in the middle of 1096 another SDL video routine -- notably UpdateRects. 1097 */ 1098 void GEM_VideoQuit(_THIS) 1099 { 1100 SDL_AtariXbios_RestoreVectors(); 1101 if (GEM_usedevmouse) { 1102 SDL_AtariDevMouse_Close(); 1103 } 1104 1105 GEM_FreeBuffers(this); 1106 1107 #if SDL_VIDEO_OPENGL 1108 if (gl_active) { 1109 SDL_AtariGL_Quit(this, SDL_TRUE); 1110 } 1111 #endif 1112 1113 /* Destroy window */ 1114 if (GEM_handle>=0) { 1115 wind_close(GEM_handle); 1116 wind_delete(GEM_handle); 1117 GEM_handle=-1; 1118 } 1119 1120 GEM_UnlockScreen(this); 1121 if (GEM_menubar) { 1122 Mfree(GEM_menubar); 1123 GEM_menubar=NULL; 1124 } 1125 1126 appl_exit(); 1127 1128 GEM_SetNewPalette(this, VDI_oldpalette); 1129 1130 /* Close VDI workstation */ 1131 if (VDI_handle) { 1132 v_clsvwk(VDI_handle); 1133 } 1134 1135 /* Free mode list */ 1136 if (SDL_modelist[0]) { 1137 SDL_free(SDL_modelist[0]); 1138 SDL_modelist[0]=NULL; 1139 } 1140 1141 this->screen->pixels = NULL; 1142 } 1143 1144 void GEM_wind_redraw(_THIS, int winhandle, short *inside) 1145 { 1146 short todo[4]; 1147 1148 /* Tell AES we are going to update */ 1149 wind_update(BEG_UPDATE); 1150 1151 v_hide_c(VDI_handle); 1152 1153 /* Browse the rectangle list to redraw */ 1154 if (wind_get(winhandle, WF_FIRSTXYWH, &todo[0], &todo[1], &todo[2], &todo[3])!=0) { 1155 1156 while (todo[2] && todo[3]) { 1157 1158 if (rc_intersect((GRECT *)inside,(GRECT *)todo)) { 1159 todo[2] += todo[0]-1; 1160 todo[3] += todo[1]-1; 1161 refresh_window(this, winhandle, todo); 1162 } 1163 1164 if (wind_get(winhandle, WF_NEXTXYWH, &todo[0], &todo[1], &todo[2], &todo[3])==0) { 1165 break; 1166 } 1167 } 1168 1169 } 1170 1171 /* Update finished */ 1172 wind_update(END_UPDATE); 1173 1174 v_show_c(VDI_handle,1); 1175 } 1176 1177 static void refresh_window(_THIS, int winhandle, short *rect) 1178 { 1179 MFDB mfdb_src; 1180 short pxy[8],wind_pxy[8]; 1181 SDL_Surface *surface; 1182 int iconified; 1183 1184 /* Is window iconified ? */ 1185 iconified = 0; 1186 /* if (GEM_wfeatures & (1<<WF_ICONIFY))*/ { 1187 if (wind_get(winhandle, WF_ICONIFY, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])!=0) { 1188 iconified = wind_pxy[0]; 1189 } 1190 } 1191 1192 if (wind_get(winhandle, WF_WORKXYWH, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])==0) { 1193 return; 1194 } 1195 1196 if (iconified && GEM_icon) { 1197 short icon_rect[4], dst_rect[4]; 1198 short iconx,icony; 1199 1200 surface = GEM_icon; 1201 1202 GEM_ClearRect(this, rect); 1203 1204 /* Calculate centered icon(x,y,w,h) relative to window */ 1205 iconx = (wind_pxy[2]-surface->w)>>1; 1206 icony = (wind_pxy[3]-surface->h)>>1; 1207 1208 icon_rect[0] = iconx; 1209 icon_rect[1] = icony; 1210 icon_rect[2] = surface->w; 1211 icon_rect[3] = surface->h; 1212 1213 /* Calculate redraw rectangle(x,y,w,h) relative to window */ 1214 dst_rect[0] = rect[0]-wind_pxy[0]; 1215 dst_rect[1] = rect[1]-wind_pxy[1]; 1216 dst_rect[2] = rect[2]-rect[0]+1; 1217 dst_rect[3] = rect[3]-rect[1]+1; 1218 1219 /* Does the icon rectangle must be redrawn ? */ 1220 if (!rc_intersect((GRECT *)icon_rect, (GRECT *)dst_rect)) { 1221 return; 1222 } 1223 1224 #if DEBUG_VIDEO_GEM 1225 printf("sdl:video:gem: clip(0,0,%d,%d) to (%d,%d,%d,%d)\n", 1226 surface->w-1,surface->h-1, dst_rect[0],dst_rect[1],dst_rect[2],dst_rect[3]); 1227 printf("sdl:video:gem: icon(%d,%d,%d,%d)\n", 1228 icon_rect[0], icon_rect[1], icon_rect[2], icon_rect[3]); 1229 printf("sdl:video:gem: refresh_window(): draw icon\n"); 1230 #endif 1231 1232 /* Calculate icon(x1,y1,x2,y2) relative to screen */ 1233 icon_rect[0] += wind_pxy[0]; 1234 icon_rect[1] += wind_pxy[1]; 1235 icon_rect[2] += icon_rect[0]-1; 1236 icon_rect[3] += icon_rect[1]-1; 1237 1238 /* Calculate intersection rectangle to redraw */ 1239 pxy[4]=pxy[0]=MAX(icon_rect[0],rect[0]); 1240 pxy[5]=pxy[1]=MAX(icon_rect[1],rect[1]); 1241 pxy[6]=pxy[2]=MIN(icon_rect[2],rect[2]); 1242 pxy[7]=pxy[3]=MIN(icon_rect[3],rect[3]); 1243 1244 /* Calculate icon source image pos relative to window */ 1245 pxy[0] -= wind_pxy[0]+iconx; 1246 pxy[1] -= wind_pxy[1]+icony; 1247 pxy[2] -= wind_pxy[0]+iconx; 1248 pxy[3] -= wind_pxy[1]+icony; 1249 1250 } else { 1251 surface = this->screen; 1252 1253 #if DEBUG_VIDEO_GEM 1254 printf("sdl:video:gem: refresh_window(): draw frame buffer\n"); 1255 #endif 1256 1257 /* Redraw all window content */ 1258 pxy[0] = rect[0]-wind_pxy[0]; 1259 pxy[1] = rect[1]-wind_pxy[1]; 1260 pxy[2] = rect[2]-wind_pxy[0]; 1261 pxy[3] = rect[3]-wind_pxy[1]; 1262 1263 pxy[4] = rect[0]; 1264 pxy[5] = rect[1]; 1265 pxy[6] = rect[2]; 1266 pxy[7] = rect[3]; 1267 } 1268 1269 if (GEM_bufops & B2S_C2P_1TO2) { 1270 void *src, *dest; 1271 int x1,x2; 1272 1273 x1 = (rect[0]-wind_pxy[0]) & ~15; 1274 x2 = rect[2]-wind_pxy[0]; 1275 if (x2 & 15) { 1276 x2 = (x2 | 15) +1; 1277 } 1278 1279 src = surface->pixels; 1280 src += surface->pitch * (rect[1]-wind_pxy[1]); 1281 src += x1; 1282 1283 dest = GEM_buffer2; 1284 dest += surface->pitch * (rect[1]-wind_pxy[1]); 1285 dest += x1; 1286 1287 SDL_Atari_C2pConvert( 1288 src, dest, 1289 x2-x1, rect[3]-rect[1]+1, 1290 SDL_FALSE, 1291 surface->pitch, surface->pitch 1292 ); 1293 } 1294 1295 mfdb_src.fd_addr=surface->pixels; 1296 { 1297 int width; 1298 1299 /* Need to be a multiple of 16 pixels */ 1300 width=surface->w; 1301 if ((width & 15) != 0) { 1302 width = (width | 15) + 1; 1303 } 1304 mfdb_src.fd_w=width; 1305 } 1306 mfdb_src.fd_h=surface->h; 1307 mfdb_src.fd_nplanes=surface->format->BitsPerPixel; 1308 mfdb_src.fd_wdwidth=mfdb_src.fd_w>>4; 1309 mfdb_src.fd_stand= 1310 mfdb_src.fd_r1= 1311 mfdb_src.fd_r2= 1312 mfdb_src.fd_r3= 0; 1313 1314 if (GEM_bufops & B2S_VROCPYFM_2TOS) { 1315 mfdb_src.fd_addr=GEM_buffer2; 1316 } 1317 1318 #if DEBUG_VIDEO_GEM 1319 printf("sdl:video:gem: redraw %dx%d: (%d,%d,%d,%d) to (%d,%d,%d,%d)\n", 1320 surface->w, surface->h, 1321 pxy[0],pxy[1],pxy[2],pxy[3], 1322 pxy[4],pxy[5],pxy[6],pxy[7] 1323 ); 1324 #endif 1325 1326 vro_cpyfm( VDI_handle, S_ONLY, pxy, &mfdb_src, &VDI_dst_mfdb); 1327 } 1328 1329 #if SDL_VIDEO_OPENGL 1330 1331 static void GEM_GL_SwapBuffers(_THIS) 1332 { 1333 SDL_AtariGL_SwapBuffers(this); 1334 GEM_FlipHWSurface(this, this->screen); 1335 } 1336 1337 #endif 1338
