1 /* 2 * PROJECT: ReactOS VGA display driver 3 * LICENSE: GPL - See COPYING in the top level directory 4 * FILE: win32ss/drivers/displays/vga/main/enable.c 5 * PURPOSE: 6 * PROGRAMMERS: 7 */ 8 9 #include <vgaddi.h> 10 11 static BOOL VGAInitialized = FALSE; 12 13 static DRVFN FuncList[] = 14 { 15 /* Required Display driver fuctions */ 16 {INDEX_DrvAssertMode, (PFN) DrvAssertMode}, 17 {INDEX_DrvCompletePDEV, (PFN) DrvCompletePDEV}, 18 {INDEX_DrvCopyBits, (PFN) DrvCopyBits}, 19 {INDEX_DrvDisablePDEV, (PFN) DrvDisablePDEV}, 20 {INDEX_DrvDisableSurface, (PFN) DrvDisableSurface}, 21 {INDEX_DrvEnablePDEV, (PFN) DrvEnablePDEV}, 22 {INDEX_DrvEnableSurface, (PFN) DrvEnableSurface}, 23 {INDEX_DrvGetModes, (PFN) DrvGetModes}, 24 {INDEX_DrvLineTo, (PFN) DrvLineTo}, 25 {INDEX_DrvPaint, (PFN) DrvPaint}, 26 {INDEX_DrvBitBlt, (PFN) DrvBitBlt}, 27 {INDEX_DrvTransparentBlt, (PFN) DrvTransparentBlt}, 28 {INDEX_DrvMovePointer, (PFN) DrvMovePointer}, 29 {INDEX_DrvSetPointerShape, (PFN) DrvSetPointerShape}, 30 31 #if 0 32 /* Optional Display driver functions */ 33 {INDEX_, }, 34 {INDEX_DescribePixelFormat, (PFN) VGADDIDescribePixelFormat}, 35 {INDEX_DrvDitherColor, (PFN) VGADDIDitherColor}, 36 {INDEX_DrvFillPath, (PFN) VGADDIFillPath}, 37 {INDEX_DrvGetTrueTypeFile, (PFN) VGADDIGetTrueTypeFile}, 38 {INDEX_DrvLoadFontFile, (PFN) VGADDILoadFontFile}, 39 {INDEX_DrvQueryFont, (PFN) VGADDIQueryFont}, 40 {INDEX_DrvQueryFontCaps, (PFN) VGADDIQueryFontCaps}, 41 {INDEX_DrvQueryFontData, (PFN) VGADDIQueryFontData}, 42 {INDEX_DrvQueryFontFile, (PFN) VGADDIQueryFontFile}, 43 {INDEX_DrvQueryFontTree, (PFN) VGADDIQueryFontTree}, 44 {INDEX_DrvQueryTrueTypeOutline, (PFN) VGADDIQueryTrueTypeOutline}, 45 {INDEX_DrvQueryTrueTypeTable, (PFN) VGADDIQueryTrueTypeTable}, 46 {INDEX_DrvRealizeBrush, (PFN) VGADDIRealizeBrush}, 47 {INDEX_DrvResetPDEV, (PFN) VGADDIResetPDEV}, 48 {INDEX_DrvSetPalette, (PFN) VGADDISetPalette}, 49 {INDEX_DrvSetPixelFormat, (PFN) VGADDISetPixelFormat}, 50 {INDEX_DrvStretchBlt, (PFN) VGADDIStretchBlt}, 51 {INDEX_DrvStrokePath, (PFN) VGADDIStrokePath}, 52 {INDEX_DrvSwapBuffers, (PFN) VGADDISwapBuffers}, 53 {INDEX_DrvTextOut, (PFN) VGADDITextOut}, 54 {INDEX_DrvUnloadFontFile, (PFN) VGADDIUnloadFontFile}, 55 #endif 56 }; 57 58 static GDIINFO gaulCap = { 59 GDI_DRIVER_VERSION, // ulVersion 60 DT_RASDISPLAY, // ulTechnology 61 0, // ulHorzSize 62 0, // ulVertSize 63 0, // ulHorzRes (filled in at initialization) 64 0, // ulVertRes (filled in at initialization) 65 4, // cBitsPixel 66 1, // cPlanes 67 16, // ulNumColors 68 0, // flRaster (DDI reserved field) 69 70 96, // ulLogPixelsX (must be set to 96 according to MSDN) 71 96, // ulLogPixelsY (must be set to 96 according to MSDN) 72 73 TC_RA_ABLE | TC_SCROLLBLT, // flTextCaps 74 75 6, // ulDACRed 76 6, // ulDACGreen 77 6, // ulDACBlue 78 79 0x0024, // ulAspectX (one-to-one aspect ratio) 80 0x0024, // ulAspectY 81 0x0033, // ulAspectXY 82 83 1, // xStyleStep 84 1, // yStyleSte; 85 3, // denStyleStep 86 87 { 0, 0 }, // ptlPhysOffset 88 { 0, 0 }, // szlPhysSize 89 90 0, // ulNumPalReg (win3.1 16 color drivers say 0 too) 91 92 // These fields are for halftone initialization. 93 94 { // ciDevice, ColorInfo 95 { 6700, 3300, 0 }, // Red 96 { 2100, 7100, 0 }, // Green 97 { 1400, 800, 0 }, // Blue 98 { 1750, 3950, 0 }, // Cyan 99 { 4050, 2050, 0 }, // Magenta 100 { 4400, 5200, 0 }, // Yellow 101 { 3127, 3290, 0 }, // AlignmentWhite 102 20000, // RedGamma 103 20000, // GreenGamma 104 20000, // BlueGamma 105 0, 0, 0, 0, 0, 0 106 }, 107 108 0, // ulDevicePelsDPI 109 PRIMARY_ORDER_CBA, // ulPrimaryOrder 110 HT_PATSIZE_4x4_M, // ulHTPatternSize 111 HT_FORMAT_4BPP_IRGB, // ulHTOutputFormat 112 HT_FLAG_ADDITIVE_PRIMS, // flHTFlags 113 114 0, // ulVRefresh 115 8, // ulBltAlignment 116 0, // ulPanningHorzRes 117 0, // ulPanningVertRes 118 119 0, // xPanningAlignment 120 0, // yPanningAlignment 121 0, // cxHTPat 122 0, // cyHTPat 123 NULL, // pHTPatA 124 NULL, // pHTPatB 125 NULL, // pHTPatC 126 0, // flShadeBlend 127 0, // ulPhysicalPixelCharacteristics 128 0 // ulPhysicalPixelGamma 129 }; 130 131 // Palette for VGA 132 133 typedef struct _VGALOGPALETTE 134 { 135 USHORT ident; 136 USHORT NumEntries; 137 PALETTEENTRY PaletteEntry[16]; 138 } VGALOGPALETTE; 139 140 const VGALOGPALETTE VGApalette = 141 { 142 143 0x400, // driver version 144 16, // num entries 145 { 146 { 0x00, 0x00, 0x00, 0x00 }, // 0 147 { 0x80, 0x00, 0x00, 0x00 }, // 1 148 { 0x00, 0x80, 0x00, 0x00 }, // 2 149 { 0x80, 0x80, 0x00, 0x00 }, // 3 150 { 0x00, 0x00, 0x80, 0x00 }, // 4 151 { 0x80, 0x00, 0x80, 0x00 }, // 5 152 { 0x00, 0x80, 0x80, 0x00 }, // 6 153 { 0x80, 0x80, 0x80, 0x00 }, // 7 154 { 0xc0, 0xc0, 0xc0, 0x00 }, // 8 155 { 0xff, 0x00, 0x00, 0x00 }, // 9 156 { 0x00, 0xff, 0x00, 0x00 }, // 10 157 { 0xff, 0xff, 0x00, 0x00 }, // 11 158 { 0x00, 0x00, 0xff, 0x00 }, // 12 159 { 0xff, 0x00, 0xff, 0x00 }, // 13 160 { 0x00, 0xff, 0xff, 0x00 }, // 14 161 { 0xff, 0xff, 0xff, 0x00 } // 15 162 } 163 }; 164 165 // Devinfo structure passed back to the engine in DrvEnablePDEV 166 167 #define SYSTM_LOGFONT {16,7,0,0,700,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,VARIABLE_PITCH | FF_DONTCARE, L"System"} 168 #define HELVE_LOGFONT {12,9,0,0,400,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,CLIP_STROKE_PRECIS,PROOF_QUALITY,VARIABLE_PITCH | FF_DONTCARE, L"MS Sans Serif"} 169 #define COURI_LOGFONT {12,9,0,0,400,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,CLIP_STROKE_PRECIS,PROOF_QUALITY,FIXED_PITCH | FF_DONTCARE, L"Courier"} 170 171 DEVINFO devinfoVGA = 172 { 173 (GCAPS_OPAQUERECT | GCAPS_HORIZSTRIKE | GCAPS_ALTERNATEFILL | GCAPS_MONO_DITHER | GCAPS_COLOR_DITHER | 174 GCAPS_WINDINGFILL | GCAPS_DITHERONREALIZE 175 ), // Graphics capabilities 176 177 SYSTM_LOGFONT, // Default font description 178 HELVE_LOGFONT, // ANSI variable font description 179 COURI_LOGFONT, // ANSI fixed font description 180 0, // Count of device fonts 181 BMF_4BPP, // preferred DIB format 182 8, // Width of color dither 183 8, // Height of color dither 184 NULL, // Default palette to use for this device 185 0 // flGraphicsCaps2 186 }; 187 188 BOOL APIENTRY 189 DrvEnableDriver(IN ULONG EngineVersion, 190 IN ULONG SizeOfDED, 191 OUT PDRVENABLEDATA DriveEnableData) 192 { 193 DPRINT("DrvEnableDriver called...\n"); 194 195 vgaPreCalc(); 196 197 VGADDI_InitializeOffScreenMem((SCREEN_X * SCREEN_Y) >> 3, 65536 - ((SCREEN_X * SCREEN_Y) >> 3)); 198 199 DriveEnableData->pdrvfn = FuncList; 200 DriveEnableData->c = sizeof(FuncList) / sizeof(DRVFN); 201 DriveEnableData->iDriverVersion = DDI_DRIVER_VERSION_NT4; 202 203 return TRUE; 204 } 205 206 // DrvDisableDriver 207 // DESCRIPTION: 208 // This function is called by the KMGDI at exit. It should cleanup. 209 // ARGUMENTS: 210 // NONE 211 // RETURNS: 212 // NONE 213 214 VOID APIENTRY 215 DrvDisableDriver(VOID) 216 { 217 return; 218 } 219 220 // ----------------------------------------------- Driver Implementation 221 222 223 // DrvEnablePDEV 224 // DESCRIPTION: 225 // This function is called after DrvEnableDriver to get information 226 // about the mode that is to be used. This function just returns 227 // information, and should not yet initialize the mode. 228 // ARGUMENTS: 229 // IN DEVMODEW * DM Describes the mode requested 230 // IN LPWSTR LogAddress 231 // IN ULONG PatternCount number of patterns expected 232 // OUT HSURF * SurfPatterns array to contain pattern handles 233 // IN ULONG GDIInfoSize the size of the GDIInfo object passed in 234 // OUT ULONG * GDIInfo GDI Info object 235 // IN ULONG DevInfoSize the size of the DevInfo object passed in 236 // OUT ULONG * DevInfo Device Info object 237 // IN LPWSTR DevDataFile ignore 238 // IN LPWSTR DeviceName Device name 239 // IN HANDLE Driver handle to KM driver 240 // RETURNS: 241 // DHPDEV a handle to a DPev object 242 243 DHPDEV APIENTRY 244 DrvEnablePDEV(IN DEVMODEW *DM, 245 IN LPWSTR LogAddress, 246 IN ULONG PatternCount, 247 OUT HSURF *SurfPatterns, 248 IN ULONG GDIInfoSize, 249 OUT ULONG *GDIInfo, 250 IN ULONG DevInfoSize, 251 OUT DEVINFO *DevInfo, 252 IN HDEV Dev, 253 IN LPWSTR DeviceName, 254 IN HANDLE Driver) 255 { 256 PPDEV PDev; 257 258 PDev = EngAllocMem(FL_ZERO_MEMORY, sizeof(PDEV), ALLOC_TAG); 259 if (PDev == NULL) 260 { 261 DPRINT1("EngAllocMem failed for PDEV\n"); 262 return NULL; 263 } 264 PDev->KMDriver = Driver; 265 DPRINT( "PDev: %x, Driver: %x\n", PDev, PDev->KMDriver ); 266 267 gaulCap.ulHorzRes = SCREEN_X; 268 gaulCap.ulVertRes = SCREEN_Y; 269 if (sizeof(GDIINFO) < GDIInfoSize) 270 GDIInfoSize = sizeof(GDIINFO); 271 memcpy(GDIInfo, &gaulCap, GDIInfoSize); 272 DM->dmBitsPerPel = gaulCap.cBitsPixel * gaulCap.cPlanes; 273 DM->dmPelsWidth = gaulCap.ulHorzRes; 274 DM->dmPelsHeight = gaulCap.ulVertRes; 275 276 devinfoVGA.hpalDefault = EngCreatePalette(PAL_INDEXED, 16, (ULONG *) VGApalette.PaletteEntry, 0, 0, 0); 277 if (sizeof(DEVINFO) < DevInfoSize) 278 DevInfoSize = sizeof(DEVINFO); 279 memcpy(DevInfo, &devinfoVGA, DevInfoSize); 280 281 return (DHPDEV) PDev; 282 } 283 284 // DrvCompletePDEV 285 // DESCRIPTION 286 // Called after initialization of PDEV is complete. Supplies 287 // a reference to the GDI handle for the PDEV. 288 289 VOID APIENTRY 290 DrvCompletePDEV(IN DHPDEV PDev, 291 IN HDEV Dev) 292 { 293 ((PPDEV) PDev)->GDIDevHandle = Dev; // Handle to the DC 294 } 295 296 BOOL APIENTRY 297 DrvAssertMode(IN DHPDEV DPev, 298 IN BOOL Enable) 299 { 300 PPDEV ppdev = (PPDEV)DPev; 301 ULONG returnedDataLength; 302 303 if (Enable) 304 { 305 /* Reenable our graphics mode */ 306 if (!InitPointer(ppdev)) 307 { 308 /* Failed to set pointer */ 309 return FALSE; 310 } 311 312 if (!VGAInitialized) 313 { 314 if (!InitVGA(ppdev, FALSE)) 315 { 316 /* Failed to initialize the VGA */ 317 return FALSE; 318 } 319 VGAInitialized = TRUE; 320 } 321 } 322 else 323 { 324 /* Go back to last known mode */ 325 DPRINT("ppdev: %p, KMDriver: %p\n", ppdev, ppdev->KMDriver); 326 if (EngDeviceIoControl(ppdev->KMDriver, IOCTL_VIDEO_RESET_DEVICE, NULL, 0, NULL, 0, &returnedDataLength)) 327 { 328 /* Failed to go back to mode */ 329 return FALSE; 330 } 331 VGAInitialized = FALSE; 332 } 333 return TRUE; 334 } 335 336 VOID APIENTRY 337 DrvDisablePDEV(IN DHPDEV PDev) 338 { 339 PPDEV ppdev = (PPDEV)PDev; 340 341 /* EngDeletePalette(devinfoVGA.hpalDefault); */ 342 if (ppdev->pjPreallocSSBBuffer) 343 EngFreeMem(ppdev->pjPreallocSSBBuffer); 344 345 if (ppdev->pucDIB4ToVGAConvBuffer) 346 EngFreeMem(ppdev->pucDIB4ToVGAConvBuffer); 347 348 DPRINT("Freeing PDEV\n"); 349 EngFreeMem(PDev); 350 } 351 352 VOID APIENTRY 353 DrvDisableSurface(IN DHPDEV PDev) 354 { 355 PPDEV ppdev = (PPDEV)PDev; 356 PDEVSURF pdsurf = ppdev->AssociatedSurf; 357 358 DPRINT("KMDriver: %x\n", ppdev->KMDriver); 359 DeinitVGA(ppdev); 360 /* EngFreeMem(pdsurf->BankSelectInfo); */ 361 362 if (pdsurf->BankInfo != NULL) 363 EngFreeMem(pdsurf->BankInfo); 364 if (pdsurf->BankInfo2RW != NULL) 365 EngFreeMem(pdsurf->BankInfo2RW); 366 if (pdsurf->BankBufferPlane0 != NULL) 367 EngFreeMem(pdsurf->BankBufferPlane0); 368 if (ppdev->pPointerAttributes != NULL) 369 EngFreeMem(ppdev->pPointerAttributes); 370 371 /* free any pending saved screen bit blocks */ 372 #if 0 373 pSSB = pdsurf->ssbList; 374 while (pSSB != NULL) 375 { 376 /* Point to the next saved screen bits block */ 377 pSSBNext = (PSAVED_SCREEN_BITS) pSSB->pvNextSSB; 378 379 /* Free the current block */ 380 EngFreeMem(pSSB); 381 pSSB = pSSBNext; 382 } 383 #endif 384 EngDeleteSurface((HSURF) ppdev->SurfHandle); 385 /* EngFreeMem(pdsurf); */ /* free the surface */ 386 } 387 388 static VOID 389 InitSavedBits(IN PPDEV ppdev) 390 { 391 if (!(ppdev->fl & DRIVER_OFFSCREEN_REFRESHED)) 392 return; 393 394 /* set up rect to right of visible screen */ 395 ppdev->SavedBitsRight.left = ppdev->sizeSurf.cx; 396 ppdev->SavedBitsRight.top = 0; 397 ppdev->SavedBitsRight.right = ppdev->sizeMem.cx - PLANAR_PELS_PER_CPU_ADDRESS; 398 ppdev->SavedBitsRight.bottom = ppdev->sizeSurf.cy; 399 400 if ((ppdev->SavedBitsRight.right <= ppdev->SavedBitsRight.left) || 401 (ppdev->SavedBitsRight.bottom <= ppdev->SavedBitsRight.top)) 402 { 403 ppdev->SavedBitsRight.left = 0; 404 ppdev->SavedBitsRight.top = 0; 405 ppdev->SavedBitsRight.right = 0; 406 ppdev->SavedBitsRight.bottom = 0; 407 } 408 409 /* set up rect below visible screen */ 410 ppdev->SavedBitsBottom.left = 0; 411 ppdev->SavedBitsBottom.top = ppdev->sizeSurf.cy; 412 ppdev->SavedBitsBottom.right = ppdev->sizeMem.cx - PLANAR_PELS_PER_CPU_ADDRESS; 413 ppdev->SavedBitsBottom.bottom = ppdev->sizeMem.cy - ppdev->NumScansUsedByPointer; 414 415 if ((ppdev->SavedBitsBottom.right <= ppdev->SavedBitsBottom.left) || 416 (ppdev->SavedBitsBottom.bottom <= ppdev->SavedBitsBottom.top)) 417 { 418 ppdev->SavedBitsBottom.left = 0; 419 ppdev->SavedBitsBottom.top = 0; 420 ppdev->SavedBitsBottom.right = 0; 421 ppdev->SavedBitsBottom.bottom = 0; 422 } 423 424 ppdev->BitsSaved = FALSE; 425 } 426 427 HSURF APIENTRY 428 DrvEnableSurface(IN DHPDEV PDev) 429 { 430 PPDEV ppdev = (PPDEV)PDev; 431 PDEVSURF pdsurf; 432 DHSURF dhsurf; 433 HSURF hsurf; 434 435 DPRINT("DrvEnableSurface() called\n"); 436 437 /* Initialize the VGA */ 438 if (!VGAInitialized) 439 { 440 if (!InitVGA(ppdev, TRUE)) 441 goto error_done; 442 VGAInitialized = TRUE; 443 } 444 445 /* dhsurf is of type DEVSURF, which is the drivers specialized surface type */ 446 dhsurf = (DHSURF)EngAllocMem(0, sizeof(DEVSURF), ALLOC_TAG); 447 if (dhsurf == NULL) 448 goto error_done; 449 450 pdsurf = (PDEVSURF) dhsurf; 451 pdsurf->ident = DEVSURF_IDENT; 452 pdsurf->flSurf = 0; 453 pdsurf->Format = BMF_PHYSDEVICE; 454 pdsurf->jReserved1 = 0; 455 pdsurf->jReserved2 = 0; 456 pdsurf->ppdev = ppdev; 457 pdsurf->sizeSurf.cx = ppdev->sizeSurf.cx; 458 pdsurf->sizeSurf.cy = ppdev->sizeSurf.cy; 459 pdsurf->NextPlane = 0; 460 pdsurf->Scan0 = ppdev->fbScreen; 461 pdsurf->BitmapStart = ppdev->fbScreen; 462 pdsurf->StartBmp = ppdev->fbScreen; 463 pdsurf->BankInfo = NULL; 464 pdsurf->BankInfo2RW = NULL; 465 pdsurf->BankBufferPlane0 = NULL; 466 467 /* pdsurf->Conv = &ConvertBuffer[0]; */ 468 469 if (!InitPointer(ppdev)) 470 { 471 DPRINT1("DrvEnablePDEV failed bInitPointer\n"); 472 goto error_clean; 473 } 474 475 /* if (!SetUpBanking(pdsurf, ppdev)) 476 { 477 DPRINT1("DrvEnablePDEV failed SetUpBanking\n"); 478 goto error_clean; 479 } BANKING CODE UNIMPLEMENTED */ 480 481 if ((hsurf = EngCreateDeviceSurface(dhsurf, ppdev->sizeSurf, BMF_4BPP)) == 482 NULL) 483 { 484 /* Call to EngCreateDeviceSurface failed */ 485 DPRINT("EngCreateDeviceSurface call failed\n"); 486 goto error_clean; 487 } 488 489 InitSavedBits(ppdev); 490 491 if (EngAssociateSurface(hsurf, ppdev->GDIDevHandle, HOOK_BITBLT | HOOK_PAINT | HOOK_LINETO | HOOK_COPYBITS | 492 HOOK_TRANSPARENTBLT)) 493 { 494 DPRINT("Successfully associated surface\n"); 495 ppdev->SurfHandle = hsurf; 496 ppdev->AssociatedSurf = pdsurf; 497 498 /* Set up an empty saved screen block list */ 499 pdsurf->ssbList = NULL; 500 501 return hsurf; 502 } 503 DPRINT("EngAssociateSurface() failed\n"); 504 EngDeleteSurface(hsurf); 505 506 error_clean: 507 EngFreeMem(dhsurf); 508 509 error_done: 510 return NULL; 511 } 512 513 ULONG APIENTRY 514 DrvGetModes(IN HANDLE Driver, 515 IN ULONG DataSize, 516 OUT PDEVMODEW DM) 517 { 518 DWORD NumModes; 519 DWORD ModeSize; 520 DWORD OutputSize; 521 DWORD OutputModes = DataSize / (sizeof(DEVMODEW) + DRIVER_EXTRA_SIZE); 522 PVIDEO_MODE_INFORMATION VideoModeInformation, VideoTemp; 523 524 NumModes = getAvailableModes(Driver, 525 (PVIDEO_MODE_INFORMATION *) &VideoModeInformation, 526 &ModeSize); 527 528 if (NumModes == 0) 529 return 0; 530 531 if (DM == NULL) 532 { 533 OutputSize = NumModes * (sizeof(DEVMODEW) + DRIVER_EXTRA_SIZE); 534 } 535 else 536 { 537 OutputSize=0; 538 VideoTemp = VideoModeInformation; 539 540 do 541 { 542 if (VideoTemp->Length != 0) 543 { 544 if (OutputModes == 0) 545 break; 546 547 memset(DM, 0, sizeof(DEVMODEW)); 548 memcpy(DM->dmDeviceName, DLL_NAME, sizeof(DLL_NAME)); 549 550 DM->dmSpecVersion = DM_SPECVERSION; 551 DM->dmDriverVersion = DM_SPECVERSION; 552 DM->dmSize = sizeof(DEVMODEW); 553 DM->dmDriverExtra = DRIVER_EXTRA_SIZE; 554 DM->dmBitsPerPel = VideoTemp->NumberOfPlanes * 555 VideoTemp->BitsPerPlane; 556 DM->dmPelsWidth = VideoTemp->VisScreenWidth; 557 DM->dmPelsHeight = VideoTemp->VisScreenHeight; 558 DM->dmDisplayFrequency = VideoTemp->Frequency; 559 DM->dmDisplayFlags = 0; 560 561 DM->dmFields = DM_BITSPERPEL | 562 DM_PELSWIDTH | 563 DM_PELSHEIGHT | 564 DM_DISPLAYFREQUENCY | 565 DM_DISPLAYFLAGS ; 566 567 /* next DEVMODE entry */ 568 OutputModes--; 569 570 DM = (PDEVMODEW) ( ((ULONG_PTR)DM) + sizeof(DEVMODEW) + DRIVER_EXTRA_SIZE); 571 572 OutputSize += (sizeof(DEVMODEW) + DRIVER_EXTRA_SIZE); 573 } 574 575 VideoTemp = (PVIDEO_MODE_INFORMATION)(((PUCHAR)VideoTemp) + ModeSize); 576 577 } while (--NumModes); 578 } 579 return OutputSize; 580 } 581 582 ULONG DbgPrint(PCCH Format,...) 583 { 584 va_list ap; 585 va_start(ap, Format); 586 EngDebugPrint("VGADDI", (PCHAR)Format, ap); 587 va_end(ap); 588 return 0; 589 } 590 591 /* EOF */ 592