1/* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2006 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@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 71static 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 76static const unsigned char empty_name[]=""; 77 78/* Initialization/Query functions */ 79static int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat); 80static SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); 81static SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); 82static int GEM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); 83static void GEM_VideoQuit(_THIS); 84 85/* Hardware surface functions */ 86static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface); 87static int GEM_LockHWSurface(_THIS, SDL_Surface *surface); 88static int GEM_FlipHWSurface(_THIS, SDL_Surface *surface); 89static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface); 90static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface); 91static void GEM_UpdateRects(_THIS, int numrects, SDL_Rect *rects); 92#if 0 93static int GEM_ToggleFullScreen(_THIS, int on); 94#endif 95 96/* Internal functions */ 97static void GEM_FreeBuffers(_THIS); 98static void GEM_ClearScreen(_THIS); 99static void GEM_ClearRect(_THIS, short *rect); 100static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3]); 101static void GEM_LockScreen(_THIS); 102static void GEM_UnlockScreen(_THIS); 103static void refresh_window(_THIS, int winhandle, short *rect); 104 105#if SDL_VIDEO_OPENGL 106/* OpenGL functions */ 107static void GEM_GL_SwapBuffers(_THIS); 108#endif 109 110/* GEM driver bootstrap functions */ 111 112static 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 122static void GEM_DeleteDevice(SDL_VideoDevice *device) 123{ 124 SDL_free(device->hidden); 125 SDL_free(device); 126} 127 128static 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 211VideoBootStrap GEM_bootstrap = { 212 GEM_VID_DRIVER_NAME, "Atari GEM video driver", 213 GEM_Available, GEM_CreateDevice 214}; 215 216static void VDI_ReadExtInfo(_THIS, short *work_out) 217{ 218 unsigned long EdDI_version; 219 unsigned long cookie_EdDI; 220 Uint32 num_colours; 221 Uint16 clut_type, num_bits; 222 223 /* Read EdDI informations */ 224 if (Getcookie(C_EdDI, &cookie_EdDI) == C_NOTFOUND) { 225 return; 226 } 227 228 EdDI_version = Atari_get_EdDI_version( (void *)cookie_EdDI); 229 230 vq_scrninfo(VDI_handle, work_out); 231 232 VDI_format = work_out[0]; 233 clut_type = work_out[1]; 234 num_bits = work_out[2]; 235 num_colours = *((Uint32 *) &work_out[3]); 236 237 /* With EdDI>=1.1, we can have screen pitch, address and format 238 * so we can directly write to screen without using vro_cpyfm 239 */ 240 if (EdDI_version >= EDDI_11) { 241 VDI_pitch = work_out[5]; 242 VDI_screen = (void *) *((unsigned long *) &work_out[6]); 243 } 244 245 switch(clut_type) { 246 case VDI_CLUT_HARDWARE: 247 { 248 int i; 249 Uint16 *tmp_p; 250 251 tmp_p = (Uint16 *)&work_out[16]; 252 253 for (i=0;i<256;i++) { 254 vdi_index[*tmp_p++] = i; 255 } 256 } 257 break; 258 case VDI_CLUT_SOFTWARE: 259 { 260 int component; /* red, green, blue, alpha, overlay */ 261 int num_bit; 262 unsigned short *tmp_p; 263 264 /* We can build masks with info here */ 265 tmp_p = (unsigned short *) &work_out[16]; 266 for (component=0;component<5;component++) { 267 for (num_bit=0;num_bit<16;num_bit++) { 268 unsigned short valeur; 269 270 valeur = *tmp_p++; 271 272 if (valeur == 0xffff) { 273 continue; 274 } 275 276 switch(component) { 277 case 0: 278 VDI_redmask |= 1<< valeur; 279 break; 280 case 1: 281 VDI_greenmask |= 1<< valeur; 282 break; 283 case 2: 284 VDI_bluemask |= 1<< valeur; 285 break; 286 case 3: 287 VDI_alphamask |= 1<< valeur; 288 break; 289 } 290 } 291 } 292 } 293 294 /* Remove lower green bits for Intel endian screen */ 295 if ((VDI_greenmask == ((7<<13)|3)) || (VDI_greenmask == ((7<<13)|7))) { 296 VDI_greenmask &= ~(7<<13); 297 } 298 break; 299 case VDI_CLUT_NONE: 300 break; 301 } 302} 303 304int GEM_VideoInit(_THIS, SDL_PixelFormat *vformat) 305{ 306 int i, menubar_size; 307 short work_in[12], work_out[272], dummy; 308 309 /* Open AES (Application Environment Services) */ 310 if (appl_init() == -1) { 311 fprintf(stderr,"Can not open AES\n"); 312 return 1; 313 } 314 315 /* Read version and features */ 316 GEM_version = aes_global[0]; 317 if (GEM_version >= 0x0410) { 318 short ap_gout[4], errorcode; 319 320 GEM_wfeatures=0; 321 errorcode=appl_getinfo(AES_WINDOW, &ap_gout[0], &ap_gout[1], &ap_gout[2], &ap_gout[3]); 322 323 if (errorcode==0) { 324 GEM_wfeatures=ap_gout[0]; 325 } 326 } 327 328 /* Ask VDI physical workstation handle opened by AES */ 329 VDI_handle = graf_handle(&dummy, &dummy, &dummy, &dummy); 330 if (VDI_handle<1) { 331 fprintf(stderr,"Wrong VDI handle %d returned by AES\n",VDI_handle); 332 return 1; 333 } 334 335 /* Open virtual VDI workstation */ 336 work_in[0]=Getrez()+2; 337 for(i = 1; i < 10; i++) 338 work_in[i] = 1; 339 work_in[10] = 2; 340 341 v_opnvwk(work_in, &VDI_handle, work_out); 342 if (VDI_handle == 0) { 343 fprintf(stderr,"Can not open VDI virtual workstation\n"); 344 return 1; 345 } 346 347 /* Read fullscreen size */ 348 VDI_w = work_out[0] + 1; 349 VDI_h = work_out[1] + 1; 350 351 /* Read desktop size and position */ 352 if (!wind_get(DESKTOP_HANDLE, WF_WORKXYWH, &GEM_desk_x, &GEM_desk_y, &GEM_desk_w, &GEM_desk_h)) { 353 fprintf(stderr,"Can not read desktop properties\n"); 354 return 1; 355 } 356 357 /* Read bit depth */ 358 vq_extnd(VDI_handle, 1, work_out); 359 VDI_bpp = work_out[4]; 360 VDI_oldnumcolors=0; 361 362 switch(VDI_bpp) { 363 case 8: 364 VDI_pixelsize=1; 365 break; 366 case 15: 367 case 16: 368 VDI_pixelsize=2; 369 break; 370 case 24: 371 VDI_pixelsize=3; 372 break; 373 case 32: 374 VDI_pixelsize=4; 375 break; 376 default: 377 fprintf(stderr,"%d bits colour depth not supported\n",VDI_bpp); 378 return 1; 379 } 380 381 /* Setup hardware -> VDI palette mapping */ 382 for(i = 16; i < 255; i++) { 383 vdi_index[i] = i; 384 } 385 vdi_index[255] = 1; 386 387 /* Save current palette */ 388 if (VDI_bpp>8) { 389 VDI_oldnumcolors=1<<8; 390 } else { 391 VDI_oldnumcolors=1<<VDI_bpp; 392 } 393 394 for(i = 0; i < VDI_oldnumcolors; i++) { 395 short rgb[3]; 396 397 vq_color(VDI_handle, i, 0, rgb); 398 399 VDI_oldpalette[i][0] = rgb[0]; 400 VDI_oldpalette[i][1] = rgb[1]; 401 VDI_oldpalette[i][2] = rgb[2]; 402 } 403 VDI_setpalette = GEM_SetNewPalette; 404 SDL_memcpy(VDI_curpalette,VDI_oldpalette,sizeof(VDI_curpalette)); 405 406 /* Setup screen info */ 407 GEM_title_name = empty_name; 408 GEM_icon_name = empty_name; 409 410 GEM_handle = -1; 411 GEM_locked = SDL_FALSE; 412 GEM_win_fulled = SDL_FALSE; 413 GEM_fullscreen = SDL_FALSE; 414 GEM_lock_redraw = SDL_TRUE; /* Prevent redraw till buffers are setup */ 415 416 VDI_screen = NULL; 417 VDI_pitch = VDI_w * VDI_pixelsize; 418 VDI_format = ( (VDI_bpp <= 8) ? VDI_FORMAT_INTER : VDI_FORMAT_PACK); 419 VDI_redmask = VDI_greenmask = VDI_bluemask = VDI_alphamask = 0; 420 VDI_ReadExtInfo(this, work_out); 421 422#ifdef DEBUG_VIDEO_GEM 423 printf("sdl:video:gem: screen: address=0x%08x, pitch=%d\n", VDI_screen, VDI_pitch); 424 printf("sdl:video:gem: format=%d\n", VDI_format); 425 printf("sdl:video:gem: masks: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", 426 VDI_alphamask, VDI_redmask, VDI_greenmask, VDI_bluemask 427 ); 428#endif 429 430 /* Setup destination mfdb */ 431 VDI_dst_mfdb.fd_addr = NULL; 432 433 /* Determine the current screen size */ 434 this->info.current_w = VDI_w; 435 this->info.current_h = VDI_h; 436 437 /* Determine the screen depth */ 438 /* we change this during the SDL_SetVideoMode implementation... */ 439 vformat->BitsPerPixel = VDI_bpp; 440 441 /* Set mouse cursor to arrow */ 442 graf_mouse(ARROW, NULL); 443 GEM_cursor = NULL; 444 445 /* Init chunky to planar routine */ 446 SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8; 447 448 /* Setup VDI fill functions */ 449 vsf_color(VDI_handle,0); 450 vsf_interior(VDI_handle,1); 451 vsf_perimeter(VDI_handle,0); 452 453 /* Menu bar save buffer */ 454 menubar_size = GEM_desk_w * GEM_desk_y * VDI_pixelsize; 455 GEM_menubar=Atari_SysMalloc(menubar_size,MX_PREFTTRAM); 456 457 /* Fill video modes list */ 458 SDL_modelist[0] = SDL_malloc(sizeof(SDL_Rect)); 459 SDL_modelist[0]->x = 0; 460 SDL_modelist[0]->y = 0; 461 SDL_modelist[0]->w = VDI_w; 462 SDL_modelist[0]->h = VDI_h; 463 464 SDL_modelist[1] = NULL; 465 466#if SDL_VIDEO_OPENGL 467 SDL_AtariGL_InitPointers(this); 468#endif 469 470 this->info.wm_available = 1; 471 472 /* We're done! */ 473 return(0); 474} 475 476SDL_Rect **GEM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) 477{ 478 if (format->BitsPerPixel != VDI_bpp) { 479 return ((SDL_Rect **)NULL); 480 } 481 482 if (flags & SDL_FULLSCREEN) { 483 return (SDL_modelist); 484 } 485 486 return((SDL_Rect **)-1); 487} 488 489static void GEM_FreeBuffers(_THIS) 490{ 491 /* Release buffer */ 492 if ( GEM_buffer2 ) { 493 Mfree( GEM_buffer2 ); 494 GEM_buffer2=NULL; 495 } 496 497 if ( GEM_buffer1 ) { 498 Mfree( GEM_buffer1 ); 499 GEM_buffer1=NULL; 500 } 501} 502 503static void GEM_ClearRect(_THIS, short *rect) 504{ 505 short oldrgb[3], rgb[3]={0,0,0}; 506 507 vq_color(VDI_handle, vdi_index[0], 0, oldrgb); 508 vs_color(VDI_handle, vdi_index[0], rgb); 509 510 vsf_color(VDI_handle,0); 511 vsf_interior(VDI_handle,1); 512 vsf_perimeter(VDI_handle,0); 513 v_bar(VDI_handle, rect); 514 515 vs_color(VDI_handle, vdi_index[0], oldrgb); 516} 517 518static void GEM_ClearScreen(_THIS) 519{ 520 short pxy[4]; 521 522 v_hide_c(VDI_handle); 523 524 pxy[0] = pxy[1] = 0; 525 pxy[2] = VDI_w - 1; 526 pxy[3] = VDI_h - 1; 527 GEM_ClearRect(this, pxy); 528 529 v_show_c(VDI_handle, 1); 530} 531 532static void GEM_SetNewPalette(_THIS, Uint16 newpal[256][3]) 533{ 534 int i; 535 short rgb[3]; 536 537 if (VDI_oldnumcolors==0) 538 return; 539 540 for(i = 0; i < VDI_oldnumcolors; i++) { 541 rgb[0] = newpal[i][0]; 542 rgb[1] = newpal[i][1]; 543 rgb[2] = newpal[i][2]; 544 545 vs_color(VDI_handle, i, rgb); 546 } 547} 548 549static void GEM_LockScreen(_THIS) 550{ 551 if (!GEM_locked) { 552 /* Lock AES */ 553 wind_update(BEG_UPDATE); 554 wind_update(BEG_MCTRL); 555 /* Reserve memory space, used to be sure of compatibility */ 556 form_dial( FMD_START, 0,0,0,0, 0,0,VDI_w,VDI_h); 557 558 /* Save menu bar */ 559 if (GEM_menubar) { 560 MFDB mfdb_src; 561 short blitcoords[8]; 562 563 mfdb_src.fd_addr=GEM_menubar; 564 mfdb_src.fd_w=GEM_desk_w; 565 mfdb_src.fd_h=GEM_desk_y; 566 mfdb_src.fd_wdwidth=GEM_desk_w>>4; 567 mfdb_src.fd_nplanes=VDI_bpp; 568 mfdb_src.fd_stand= 569 mfdb_src.fd_r1= 570 mfdb_src.fd_r2= 571 mfdb_src.fd_r3= 0; 572 573 blitcoords[0] = blitcoords[4] = 0; 574 blitcoords[1] = blitcoords[5] = 0; 575 blitcoords[2] = blitcoords[6] = GEM_desk_w-1; 576 blitcoords[3] = blitcoords[7] = GEM_desk_y-1; 577 578 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &VDI_dst_mfdb, &mfdb_src); 579 } 580 581 GEM_locked=SDL_TRUE; 582 } 583} 584 585static void GEM_UnlockScreen(_THIS) 586{ 587 if (GEM_locked) { 588 /* Restore menu bar */ 589 if (GEM_menubar) { 590 MFDB mfdb_src; 591 short blitcoords[8]; 592 593 mfdb_src.fd_addr=GEM_menubar; 594 mfdb_src.fd_w=GEM_desk_w; 595 mfdb_src.fd_h=GEM_desk_y; 596 mfdb_src.fd_wdwidth=GEM_desk_w>>4; 597 mfdb_src.fd_nplanes=VDI_bpp; 598 mfdb_src.fd_stand= 599 mfdb_src.fd_r1= 600 mfdb_src.fd_r2= 601 mfdb_src.fd_r3= 0; 602 603 blitcoords[0] = blitcoords[4] = 0; 604 blitcoords[1] = blitcoords[5] = 0; 605 blitcoords[2] = blitcoords[6] = GEM_desk_w-1; 606 blitcoords[3] = blitcoords[7] = GEM_desk_y-1; 607 608 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb); 609 } 610 611 /* Restore screen memory, and send REDRAW to all apps */ 612 form_dial( FMD_FINISH, 0,0,0,0, 0,0,VDI_w,VDI_h); 613 /* Unlock AES */ 614 wind_update(END_MCTRL); 615 wind_update(END_UPDATE); 616 617 GEM_locked=SDL_FALSE; 618 } 619} 620 621SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current, 622 int width, int height, int bpp, Uint32 flags) 623{ 624 Uint32 modeflags, screensize; 625 SDL_bool use_shadow1, use_shadow2; 626 627 /* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */ 628 if ((width & 15) != 0) { 629 width = (width | 15) +1; 630 } 631 632 /*--- Verify if asked mode can be used ---*/ 633 if (VDI_bpp != bpp) { 634 SDL_SetError("%d bpp mode not supported", bpp); 635 return(NULL); 636 } 637 638 if (flags & SDL_FULLSCREEN) { 639 if ((VDI_w < width) || (VDI_h < height)) { 640 SDL_SetError("%dx%d mode is too large", width, height); 641 return(NULL); 642 } 643 } 644 645 /*--- Allocate the new pixel format for the screen ---*/ 646 if ( ! SDL_ReallocFormat(current, VDI_bpp, VDI_redmask, VDI_greenmask, VDI_bluemask, VDI_alphamask) ) { 647 SDL_SetError("Couldn't allocate new pixel format for requested mode"); 648 return(NULL); 649 } 650 651 screensize = width * height * VDI_pixelsize; 652 653#ifdef DEBUG_VIDEO_GEM 654 printf("sdl:video:gem: setvideomode(): %dx%dx%d = %d\n", width, height, bpp, screensize); 655#endif 656 657 /*--- Allocate shadow buffers if needed, and conversion operations ---*/ 658 GEM_FreeBuffers(this); 659 660 GEM_bufops=0; 661 use_shadow1=use_shadow2=SDL_FALSE; 662 if (VDI_screen && (flags & SDL_FULLSCREEN)) { 663 if (VDI_format==VDI_FORMAT_INTER) { 664 use_shadow1=SDL_TRUE; 665 GEM_bufops = B2S_C2P_1TOS; 666 } 667 } else { 668 use_shadow1=SDL_TRUE; 669 if (VDI_format==VDI_FORMAT_PACK) { 670 GEM_bufops = B2S_VROCPYFM_1TOS; 671 } else { 672 use_shadow2=SDL_TRUE; 673 GEM_bufops = B2S_C2P_1TO2|B2S_VROCPYFM_2TOS; 674 } 675 } 676 677 if (use_shadow1) { 678 GEM_buffer1 = Atari_SysMalloc(screensize, MX_PREFTTRAM); 679 if (GEM_buffer1==NULL) { 680 SDL_SetError("Can not allocate %d KB for frame buffer", screensize>>10); 681 return NULL; 682 } 683 SDL_memset(GEM_buffer1, 0, screensize); 684#ifdef DEBUG_VIDEO_GEM 685 printf("sdl:video:gem: setvideomode(): allocated buffer 1\n"); 686#endif 687 } 688 689 if (use_shadow2) { 690 GEM_buffer2 = Atari_SysMalloc(screensize, MX_PREFTTRAM); 691 if (GEM_buffer2==NULL) { 692 SDL_SetError("Can not allocate %d KB for shadow buffer", screensize>>10); 693 return NULL; 694 } 695 SDL_memset(GEM_buffer2, 0, screensize); 696#ifdef DEBUG_VIDEO_GEM 697 printf("sdl:video:gem: setvideomode(): allocated buffer 2\n"); 698#endif 699 } 700 701 /*--- Initialize screen ---*/ 702 modeflags = SDL_PREALLOC; 703 if (VDI_bpp == 8) { 704 modeflags |= SDL_HWPALETTE; 705 } 706 707 if (flags & SDL_FULLSCREEN) { 708 GEM_LockScreen(this); 709 710 GEM_ClearScreen(this); 711 712 modeflags |= SDL_FULLSCREEN; 713 if (VDI_screen && (VDI_format==VDI_FORMAT_PACK) && !use_shadow1) { 714 modeflags |= SDL_HWSURFACE; 715 } else { 716 modeflags |= SDL_SWSURFACE; 717 } 718 719 GEM_fullscreen = SDL_TRUE; 720 } else { 721 int old_win_type; 722 short x2,y2,w2,h2; 723 724 GEM_UnlockScreen(this); 725 726 /* Set window gadgets */ 727 old_win_type = GEM_win_type; 728 if (!(flags & SDL_NOFRAME)) { 729 GEM_win_type=NAME|MOVER|CLOSER|SMALLER; 730 if (flags & SDL_RESIZABLE) { 731 GEM_win_type |= FULLER|SIZER; 732 modeflags |= SDL_RESIZABLE; 733 } 734 } else { 735 GEM_win_type=0; 736 modeflags |= SDL_NOFRAME; 737 } 738 modeflags |= SDL_SWSURFACE; 739 740 /* Recreate window ? only for different widget or non-created window */ 741 if ((old_win_type != GEM_win_type) || (GEM_handle < 0)) { 742 /* Calculate window size */ 743 if (!wind_calc(WC_BORDER, GEM_win_type, 0,0,width,height, &x2,&y2,&w2,&h2)) { 744 GEM_FreeBuffers(this); 745 SDL_SetError("Can not calculate window attributes"); 746 return NULL; 747 } 748 749 /* Center window */ 750 x2 = (GEM_desk_w-w2)>>1; 751 y2 = (GEM_desk_h-h2)>>1; 752 if (x2<0) { 753 x2 = 0; 754 } 755 if (y2<0) { 756 y2 = 0; 757 } 758 x2 += GEM_desk_x; 759 y2 += GEM_desk_y; 760 761 /* Destroy existing window */ 762 if (GEM_handle >= 0) { 763 wind_close(GEM_handle); 764 wind_delete(GEM_handle); 765 } 766 767 /* Create window */ 768 GEM_handle=wind_create(GEM_win_type, x2,y2,w2,h2); 769 if (GEM_handle<0) { 770 GEM_FreeBuffers(this); 771 SDL_SetError("Can not create window"); 772 return NULL; 773 } 774 775#ifdef DEBUG_VIDEO_GEM 776 printf("sdl:video:gem: handle=%d\n", GEM_handle); 777#endif 778 779 /* Setup window name */ 780 wind_set(GEM_handle,WF_NAME,(short)(((unsigned long)GEM_title_name)>>16),(short)(((unsigned long)GEM_title_name) & 0xffff),0,0); 781 GEM_refresh_name = SDL_FALSE; 782 783 /* Open the window */ 784 wind_open(GEM_handle,x2,y2,w2,h2); 785 } else { 786 /* Resize window to fit asked video mode */ 787 wind_get (GEM_handle, WF_WORKXYWH, &x2,&y2,&w2,&h2); 788 if (wind_calc(WC_BORDER, GEM_win_type, x2,y2,width,height, &x2,&y2,&w2,&h2)) { 789 wind_set (GEM_handle, WF_CURRXYWH, x2,y2,w2,h2); 790 } 791 } 792 793 GEM_fullscreen = SDL_FALSE; 794 } 795 796 /* Set up the new mode framebuffer */ 797 current->w = width; 798 current->h = height; 799 if (use_shadow1) { 800 current->pixels = GEM_buffer1; 801 current->pitch = width * VDI_pixelsize; 802 } else { 803 current->pixels = VDI_screen; 804 current->pitch = VDI_pitch; 805 } 806 807#if SDL_VIDEO_OPENGL 808 if (flags & SDL_OPENGL) { 809 if (!SDL_AtariGL_Init(this, current)) { 810 GEM_FreeBuffers(this); 811 SDL_SetError("Can not create OpenGL context"); 812 return NULL; 813 } 814 815 modeflags |= SDL_OPENGL; 816 } 817#endif 818 819 current->flags = modeflags; 820 821#ifdef DEBUG_VIDEO_GEM 822 printf("sdl:video:gem: surface: %dx%d\n", current->w, current->h); 823#endif 824 825 this->UpdateRects = GEM_UpdateRects; 826 GEM_lock_redraw = SDL_FALSE; /* Enable redraw */ 827 828 /* We're done */ 829 return(current); 830} 831 832static int GEM_AllocHWSurface(_THIS, SDL_Surface *surface) 833{ 834 return -1; 835} 836 837static void GEM_FreeHWSurface(_THIS, SDL_Surface *surface) 838{ 839 return; 840} 841 842static int GEM_LockHWSurface(_THIS, SDL_Surface *surface) 843{ 844 return(0); 845} 846 847static void GEM_UnlockHWSurface(_THIS, SDL_Surface *surface) 848{ 849 return; 850} 851 852static void GEM_UpdateRectsFullscreen(_THIS, int numrects, SDL_Rect *rects) 853{ 854 SDL_Surface *surface; 855 int i, surf_width; 856 857 surface = this->screen; 858 /* Need to be a multiple of 16 pixels */ 859 surf_width=surface->w; 860 if ((surf_width & 15) != 0) { 861 surf_width = (surf_width | 15) + 1; 862 } 863 864 if (GEM_bufops & (B2S_C2P_1TO2|B2S_C2P_1TOS)) { 865 void *destscr; 866 int destpitch; 867 868 if (GEM_bufops & B2S_C2P_1TOS) { 869 destscr = VDI_screen; 870 destpitch = VDI_pitch; 871 } else { 872 destscr = GEM_buffer2; 873 destpitch = surface->pitch; 874 } 875 876 for (i=0;i<numrects;i++) { 877 void *source,*destination; 878 int x1,x2; 879 880 x1 = rects[i].x & ~15; 881 x2 = rects[i].x+rects[i].w; 882 if (x2 & 15) { 883 x2 = (x2 | 15) +1; 884 } 885 886 source = surface->pixels; 887 source += surface->pitch * rects[i].y; 888 source += x1; 889 890 destination = destscr; 891 destination += destpitch * rects[i].y; 892 destination += x1; 893 894 SDL_Atari_C2pConvert( 895 source, destination, 896 x2-x1, rects[i].h, 897 SDL_FALSE, 898 surface->pitch, destpitch 899 ); 900 } 901 } 902 903 if (GEM_bufops & (B2S_VROCPYFM_1TOS|B2S_VROCPYFM_2TOS)) { 904 MFDB mfdb_src; 905 short blitcoords[8]; 906 907 mfdb_src.fd_addr=surface->pixels; 908 mfdb_src.fd_w=surf_width; 909 mfdb_src.fd_h=surface->h; 910 mfdb_src.fd_wdwidth= (surface->pitch/VDI_pixelsize) >> 4; 911 mfdb_src.fd_nplanes=surface->format->BitsPerPixel; 912 mfdb_src.fd_stand= 913 mfdb_src.fd_r1= 914 mfdb_src.fd_r2= 915 mfdb_src.fd_r3= 0; 916 if (GEM_bufops & B2S_VROCPYFM_2TOS) { 917 mfdb_src.fd_addr=GEM_buffer2; 918 } 919 920 for ( i=0; i<numrects; ++i ) { 921 blitcoords[0] = blitcoords[4] = rects[i].x; 922 blitcoords[1] = blitcoords[5] = rects[i].y; 923 blitcoords[2] = blitcoords[6] = rects[i].x + rects[i].w - 1; 924 blitcoords[3] = blitcoords[7] = rects[i].y + rects[i].h - 1; 925 926 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb); 927 } 928 } 929} 930 931static void GEM_UpdateRectsWindowed(_THIS, int numrects, SDL_Rect *rects) 932{ 933 short pxy[4], wind_pxy[4]; 934 int i; 935 936 if (wind_get(GEM_handle, WF_WORKXYWH, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])==0) { 937 return; 938 } 939 940 for ( i=0; i<numrects; ++i ) { 941 pxy[0] = wind_pxy[0] + rects[i].x; 942 pxy[1] = wind_pxy[1] + rects[i].y; 943 pxy[2] = rects[i].w; 944 pxy[3] = rects[i].h; 945 946 GEM_wind_redraw(this, GEM_handle, pxy); 947 } 948} 949 950static void GEM_UpdateRects(_THIS, int numrects, SDL_Rect *rects) 951{ 952 SDL_Surface *surface; 953 954 if (GEM_lock_redraw) { 955 return; 956 } 957 958 surface = this->screen; 959 960 if (surface->flags & SDL_FULLSCREEN) { 961 GEM_UpdateRectsFullscreen(this, numrects, rects); 962 } else { 963 GEM_UpdateRectsWindowed(this, numrects, rects); 964 } 965} 966 967static int GEM_FlipHWSurfaceFullscreen(_THIS, SDL_Surface *surface) 968{ 969 int surf_width; 970 971 /* Need to be a multiple of 16 pixels */ 972 surf_width=surface->w; 973 if ((surf_width & 15) != 0) { 974 surf_width = (surf_width | 15) + 1; 975 } 976 977 if (GEM_bufops & (B2S_C2P_1TO2|B2S_C2P_1TOS)) { 978 void *destscr; 979 int destpitch; 980 981 if (GEM_bufops & B2S_C2P_1TOS) { 982 destscr = VDI_screen; 983 destpitch = VDI_pitch; 984 } else { 985 destscr = GEM_buffer2; 986 destpitch = surface->pitch; 987 } 988 989 SDL_Atari_C2pConvert( 990 surface->pixels, destscr, 991 surf_width, surface->h, 992 SDL_FALSE, 993 surface->pitch, destpitch 994 ); 995 } 996 997 if (GEM_bufops & (B2S_VROCPYFM_1TOS|B2S_VROCPYFM_2TOS)) { 998 MFDB mfdb_src; 999 short blitcoords[8]; 1000 1001 mfdb_src.fd_w=surf_width; 1002 mfdb_src.fd_h=surface->h; 1003 mfdb_src.fd_wdwidth=mfdb_src.fd_w >> 4; 1004 mfdb_src.fd_nplanes=surface->format->BitsPerPixel; 1005 mfdb_src.fd_stand= 1006 mfdb_src.fd_r1= 1007 mfdb_src.fd_r2= 1008 mfdb_src.fd_r3= 0; 1009 if (GEM_bufops & B2S_VROCPYFM_1TOS) { 1010 mfdb_src.fd_addr=surface->pixels; 1011 } else { 1012 mfdb_src.fd_addr=GEM_buffer2; 1013 } 1014 1015 blitcoords[0] = blitcoords[4] = 0; 1016 blitcoords[1] = blitcoords[5] = 0; 1017 blitcoords[2] = blitcoords[6] = surface->w - 1; 1018 blitcoords[3] = blitcoords[7] = surface->h - 1; 1019 1020 vro_cpyfm(VDI_handle, S_ONLY, blitcoords, &mfdb_src, &VDI_dst_mfdb); 1021 } 1022 1023 return(0); 1024} 1025 1026static int GEM_FlipHWSurfaceWindowed(_THIS, SDL_Surface *surface) 1027{ 1028 short pxy[8]; 1029 1030 /* Update the whole window */ 1031 wind_get(GEM_handle, WF_WORKXYWH, &pxy[0], &pxy[1], &pxy[2], &pxy[3]); 1032 1033 GEM_wind_redraw(this, GEM_handle, pxy); 1034 1035 return(0); 1036} 1037 1038static int GEM_FlipHWSurface(_THIS, SDL_Surface *surface) 1039{ 1040 if (GEM_lock_redraw) { 1041 return(0); 1042 } 1043 1044 if (surface->flags & SDL_FULLSCREEN) { 1045 return GEM_FlipHWSurfaceFullscreen(this, surface); 1046 } else { 1047 return GEM_FlipHWSurfaceWindowed(this, surface); 1048 } 1049} 1050 1051static int GEM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) 1052{ 1053 int i; 1054 SDL_Surface *surface; 1055 1056#ifdef DEBUG_VIDEO_GEM 1057 printf("sdl:video:gem: setcolors()\n"); 1058#endif 1059 1060 /* Do not change palette in True Colour */ 1061 surface = this->screen; 1062 if (surface->format->BitsPerPixel > 8) { 1063 return 1; 1064 } 1065 1066 for(i = 0; i < ncolors; i++) 1067 { 1068 int r, g, b; 1069 short rgb[3]; 1070 1071 r = colors[i].r; 1072 g = colors[i].g; 1073 b = colors[i].b; 1074 1075 rgb[0] = VDI_curpalette[i][0] = (1000 * r) / 255; 1076 rgb[1] = VDI_curpalette[i][1] =(1000 * g) / 255; 1077 rgb[2] = VDI_curpalette[i][2] =(1000 * b) / 255; 1078 1079 vs_color(VDI_handle, vdi_index[firstcolor+i], rgb); 1080 } 1081 1082 return(1); 1083} 1084 1085#if 0 1086static int GEM_ToggleFullScreen(_THIS, int on) 1087{ 1088 if (on) { 1089 GEM_LockScreen(this); 1090 } else { 1091 GEM_UnlockScreen(this); 1092 } 1093 1094 return(1); 1095} 1096#endif 1097 1098/* Note: If we are terminated, this could be called in the middle of 1099 another SDL video routine -- notably UpdateRects. 1100*/ 1101void GEM_VideoQuit(_THIS) 1102{ 1103 SDL_AtariXbios_RestoreVectors(); 1104 if (GEM_usedevmouse) { 1105 SDL_AtariDevMouse_Close(); 1106 } 1107 1108 GEM_FreeBuffers(this); 1109 1110#if SDL_VIDEO_OPENGL 1111 if (gl_active) { 1112 SDL_AtariGL_Quit(this, SDL_TRUE); 1113 } 1114#endif 1115 1116 /* Destroy window */ 1117 if (GEM_handle>=0) { 1118 wind_close(GEM_handle); 1119 wind_delete(GEM_handle); 1120 GEM_handle=-1; 1121 } 1122 1123 GEM_UnlockScreen(this); 1124 if (GEM_menubar) { 1125 Mfree(GEM_menubar); 1126 GEM_menubar=NULL; 1127 } 1128 1129 appl_exit(); 1130 1131 GEM_SetNewPalette(this, VDI_oldpalette); 1132 1133 /* Close VDI workstation */ 1134 if (VDI_handle) { 1135 v_clsvwk(VDI_handle); 1136 } 1137 1138 /* Free mode list */ 1139 if (SDL_modelist[0]) { 1140 SDL_free(SDL_modelist[0]); 1141 SDL_modelist[0]=NULL; 1142 } 1143 1144 this->screen->pixels = NULL; 1145} 1146 1147void GEM_wind_redraw(_THIS, int winhandle, short *inside) 1148{ 1149 short todo[4]; 1150 1151 /* Tell AES we are going to update */ 1152 wind_update(BEG_UPDATE); 1153 1154 v_hide_c(VDI_handle); 1155 1156 /* Browse the rectangle list to redraw */ 1157 if (wind_get(winhandle, WF_FIRSTXYWH, &todo[0], &todo[1], &todo[2], &todo[3])!=0) { 1158 1159 while (todo[2] && todo[3]) { 1160 1161 if (rc_intersect((GRECT *)inside,(GRECT *)todo)) { 1162 todo[2] += todo[0]-1; 1163 todo[3] += todo[1]-1; 1164 refresh_window(this, winhandle, todo); 1165 } 1166 1167 if (wind_get(winhandle, WF_NEXTXYWH, &todo[0], &todo[1], &todo[2], &todo[3])==0) { 1168 break; 1169 } 1170 } 1171 1172 } 1173 1174 /* Update finished */ 1175 wind_update(END_UPDATE); 1176 1177 v_show_c(VDI_handle,1); 1178} 1179 1180static void refresh_window(_THIS, int winhandle, short *rect) 1181{ 1182 MFDB mfdb_src; 1183 short pxy[8],wind_pxy[8]; 1184 SDL_Surface *surface; 1185 int iconified; 1186 1187 /* Is window iconified ? */ 1188 iconified = 0; 1189/* if (GEM_wfeatures & (1<<WF_ICONIFY))*/ { 1190 if (wind_get(winhandle, WF_ICONIFY, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])!=0) { 1191 iconified = wind_pxy[0]; 1192 } 1193 } 1194 1195 if (wind_get(winhandle, WF_WORKXYWH, &wind_pxy[0], &wind_pxy[1], &wind_pxy[2], &wind_pxy[3])==0) { 1196 return; 1197 } 1198 1199 if (iconified && GEM_icon) { 1200 short icon_rect[4], dst_rect[4]; 1201 short iconx,icony; 1202 1203 surface = GEM_icon; 1204 1205 GEM_ClearRect(this, rect); 1206 1207 /* Calculate centered icon(x,y,w,h) relative to window */ 1208 iconx = (wind_pxy[2]-surface->w)>>1; 1209 icony = (wind_pxy[3]-surface->h)>>1; 1210 1211 icon_rect[0] = iconx; 1212 icon_rect[1] = icony; 1213 icon_rect[2] = surface->w; 1214 icon_rect[3] = surface->h; 1215 1216 /* Calculate redraw rectangle(x,y,w,h) relative to window */ 1217 dst_rect[0] = rect[0]-wind_pxy[0]; 1218 dst_rect[1] = rect[1]-wind_pxy[1]; 1219 dst_rect[2] = rect[2]-rect[0]+1; 1220 dst_rect[3] = rect[3]-rect[1]+1; 1221 1222 /* Does the icon rectangle must be redrawn ? */ 1223 if (!rc_intersect((GRECT *)icon_rect, (GRECT *)dst_rect)) { 1224 return; 1225 } 1226 1227#if DEBUG_VIDEO_GEM 1228 printf("sdl:video:gem: clip(0,0,%d,%d) to (%d,%d,%d,%d)\n", 1229 surface->w-1,surface->h-1, dst_rect[0],dst_rect[1],dst_rect[2],dst_rect[3]); 1230 printf("sdl:video:gem: icon(%d,%d,%d,%d)\n", 1231 icon_rect[0], icon_rect[1], icon_rect[2], icon_rect[3]); 1232 printf("sdl:video:gem: refresh_window(): draw icon\n"); 1233#endif 1234 1235 /* Calculate icon(x1,y1,x2,y2) relative to screen */ 1236 icon_rect[0] += wind_pxy[0]; 1237 icon_rect[1] += wind_pxy[1]; 1238 icon_rect[2] += icon_rect[0]-1; 1239 icon_rect[3] += icon_rect[1]-1; 1240 1241 /* Calculate intersection rectangle to redraw */ 1242 pxy[4]=pxy[0]=MAX(icon_rect[0],rect[0]); 1243 pxy[5]=pxy[1]=MAX(icon_rect[1],rect[1]); 1244 pxy[6]=pxy[2]=MIN(icon_rect[2],rect[2]); 1245 pxy[7]=pxy[3]=MIN(icon_rect[3],rect[3]); 1246 1247 /* Calculate icon source image pos relative to window */ 1248 pxy[0] -= wind_pxy[0]+iconx; 1249 pxy[1] -= wind_pxy[1]+icony; 1250 pxy[2] -= wind_pxy[0]+iconx; 1251 pxy[3] -= wind_pxy[1]+icony; 1252 1253 } else { 1254 surface = this->screen; 1255 1256#if DEBUG_VIDEO_GEM 1257 printf("sdl:video:gem: refresh_window(): draw frame buffer\n"); 1258#endif 1259 1260 /* Redraw all window content */ 1261 pxy[0] = rect[0]-wind_pxy[0]; 1262 pxy[1] = rect[1]-wind_pxy[1]; 1263 pxy[2] = rect[2]-wind_pxy[0]; 1264 pxy[3] = rect[3]-wind_pxy[1]; 1265 1266 pxy[4] = rect[0]; 1267 pxy[5] = rect[1]; 1268 pxy[6] = rect[2]; 1269 pxy[7] = rect[3]; 1270 } 1271 1272 if (GEM_bufops & B2S_C2P_1TO2) { 1273 void *src, *dest; 1274 int x1,x2; 1275 1276 x1 = (rect[0]-wind_pxy[0]) & ~15; 1277 x2 = rect[2]-wind_pxy[0]; 1278 if (x2 & 15) { 1279 x2 = (x2 | 15) +1; 1280 } 1281 1282 src = surface->pixels; 1283 src += surface->pitch * (rect[1]-wind_pxy[1]); 1284 src += x1; 1285 1286 dest = GEM_buffer2; 1287 dest += surface->pitch * (rect[1]-wind_pxy[1]); 1288 dest += x1; 1289 1290 SDL_Atari_C2pConvert( 1291 src, dest, 1292 x2-x1, rect[3]-rect[1]+1, 1293 SDL_FALSE, 1294 surface->pitch, surface->pitch 1295 ); 1296 } 1297 1298 mfdb_src.fd_addr=surface->pixels; 1299 { 1300 int width; 1301 1302 /* Need to be a multiple of 16 pixels */ 1303 width=surface->w; 1304 if ((width & 15) != 0) { 1305 width = (width | 15) + 1; 1306 } 1307 mfdb_src.fd_w=width; 1308 } 1309 mfdb_src.fd_h=surface->h; 1310 mfdb_src.fd_nplanes=surface->format->BitsPerPixel; 1311 mfdb_src.fd_wdwidth=mfdb_src.fd_w>>4; 1312 mfdb_src.fd_stand= 1313 mfdb_src.fd_r1= 1314 mfdb_src.fd_r2= 1315 mfdb_src.fd_r3= 0; 1316 1317 if (GEM_bufops & B2S_VROCPYFM_2TOS) { 1318 mfdb_src.fd_addr=GEM_buffer2; 1319 } 1320 1321#if DEBUG_VIDEO_GEM 1322 printf("sdl:video:gem: redraw %dx%d: (%d,%d,%d,%d) to (%d,%d,%d,%d)\n", 1323 surface->w, surface->h, 1324 pxy[0],pxy[1],pxy[2],pxy[3], 1325 pxy[4],pxy[5],pxy[6],pxy[7] 1326 ); 1327#endif 1328 1329 vro_cpyfm( VDI_handle, S_ONLY, pxy, &mfdb_src, &VDI_dst_mfdb); 1330} 1331 1332#if SDL_VIDEO_OPENGL 1333 1334static void GEM_GL_SwapBuffers(_THIS) 1335{ 1336 SDL_AtariGL_SwapBuffers(this); 1337 GEM_FlipHWSurface(this, this->screen); 1338} 1339 1340#endif 1341