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72b695f3 | 1 | /** @file |
2 | ||
4b2e0684 | 3 | Copyright (c) 2006 - 2007, Intel Corporation |
72b695f3 | 4 | All rights reserved. This program and the accompanying materials |
5 | are licensed and made available under the terms and conditions of the BSD License | |
6 | which accompanies this distribution. The full text of the license may be found at | |
7 | http://opensource.org/licenses/bsd-license.php | |
8 | ||
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
11 | ||
12 | Module Name: | |
13 | ||
14 | WinNtGopScreen.c | |
15 | ||
16 | Abstract: | |
17 | ||
18 | This file produces the graphics abstration of GOP. It is called by | |
19 | WinNtGopDriver.c file which deals with the EFI 1.1 driver model. | |
20 | This file just does graphics. | |
21 | ||
22 | ||
23 | **/ | |
24 | ||
25 | #include "WinNtGop.h" | |
26 | ||
27 | EFI_WIN_NT_THUNK_PROTOCOL *mWinNt; | |
28 | DWORD mTlsIndex = TLS_OUT_OF_INDEXES; | |
29 | DWORD mTlsIndexUseCount = 0; // lets us know when we can free mTlsIndex. | |
30 | static EFI_EVENT mGopScreenExitBootServicesEvent; | |
31 | GOP_MODE_DATA mGopModeData[] = { | |
32 | {800, 600, 0, 0}, | |
33 | {640, 480, 0, 0}, | |
34 | {720, 400, 0, 0}, | |
35 | {1024, 768, 0, 0}, | |
36 | {1280, 1024, 0, 0} | |
37 | }; | |
38 | ||
39 | EFI_STATUS | |
40 | WinNtGopStartWindow ( | |
41 | IN GOP_PRIVATE_DATA *Private, | |
42 | IN UINT32 HorizontalResolution, | |
43 | IN UINT32 VerticalResolution, | |
44 | IN UINT32 ColorDepth, | |
45 | IN UINT32 RefreshRate | |
46 | ); | |
47 | ||
48 | STATIC | |
49 | VOID | |
50 | EFIAPI | |
51 | KillNtGopThread ( | |
52 | IN EFI_EVENT Event, | |
53 | IN VOID *Context | |
54 | ); | |
55 | ||
56 | // | |
57 | // GOP Protocol Member Functions | |
58 | // | |
59 | ||
60 | ||
61 | /** | |
62 | Graphics Output protocol interface to get video mode | |
63 | ||
64 | @param This Protocol instance pointer. | |
65 | @param ModeNumber The mode number to return information on. | |
66 | @param Info Caller allocated buffer that returns information | |
67 | about ModeNumber. | |
68 | @param SizeOfInfo A pointer to the size, in bytes, of the Info | |
69 | buffer. | |
70 | ||
71 | @retval EFI_SUCCESS Mode information returned. | |
72 | @retval EFI_BUFFER_TOO_SMALL The Info buffer was too small. | |
73 | @retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the | |
74 | video mode. | |
75 | @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode () | |
76 | @retval EFI_INVALID_PARAMETER One of the input args was NULL. | |
77 | ||
78 | **/ | |
79 | EFI_STATUS | |
80 | EFIAPI | |
81 | WinNtGopQuerytMode ( | |
82 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This, | |
83 | IN UINT32 ModeNumber, | |
84 | OUT UINTN *SizeOfInfo, | |
85 | OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info | |
86 | ) | |
87 | { | |
72b695f3 | 88 | GOP_PRIVATE_DATA *Private; |
89 | ||
90 | Private = GOP_PRIVATE_DATA_FROM_THIS (This); | |
91 | ||
92 | if (Info == NULL || SizeOfInfo == NULL || (UINTN) ModeNumber >= This->Mode->MaxMode) { | |
93 | return EFI_INVALID_PARAMETER; | |
94 | } | |
95 | ||
fa332de7 | 96 | *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION)); |
97 | if (*Info == NULL) { | |
98 | return EFI_OUT_OF_RESOURCES; | |
72b695f3 | 99 | } |
100 | ||
101 | *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION); | |
102 | ||
103 | (*Info)->Version = 0; | |
104 | (*Info)->HorizontalResolution = Private->ModeData[ModeNumber].HorizontalResolution; | |
105 | (*Info)->VerticalResolution = Private->ModeData[ModeNumber].VerticalResolution; | |
106 | (*Info)->PixelFormat = PixelBlueGreenRedReserved8BitPerColor; | |
107 | (*Info)->PixelsPerScanLine = (*Info)->HorizontalResolution; | |
108 | ||
109 | return EFI_SUCCESS; | |
110 | } | |
111 | ||
112 | ||
113 | /** | |
114 | Graphics Output protocol interface to set video mode | |
115 | ||
116 | @param This Protocol instance pointer. | |
117 | @param ModeNumber The mode number to be set. | |
118 | ||
119 | @retval EFI_SUCCESS Graphics mode was changed. | |
120 | @retval EFI_DEVICE_ERROR The device had an error and could not complete the | |
121 | request. | |
122 | @retval EFI_UNSUPPORTED ModeNumber is not supported by this device. | |
123 | ||
124 | **/ | |
125 | EFI_STATUS | |
126 | EFIAPI | |
127 | WinNtGopSetMode ( | |
128 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This, | |
129 | IN UINT32 ModeNumber | |
130 | ) | |
131 | { | |
132 | EFI_STATUS Status; | |
133 | GOP_PRIVATE_DATA *Private; | |
134 | GOP_MODE_DATA *ModeData; | |
135 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL Fill; | |
136 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *NewFillLine; | |
137 | RECT Rect; | |
138 | UINTN Size; | |
139 | UINTN Width; | |
140 | UINTN Height; | |
141 | ||
142 | Private = GOP_PRIVATE_DATA_FROM_THIS (This); | |
143 | ||
144 | if (ModeNumber >= This->Mode->MaxMode) { | |
145 | return EFI_UNSUPPORTED; | |
146 | } | |
147 | ||
148 | if (ModeNumber == This->Mode->Mode) { | |
149 | return EFI_SUCCESS; | |
150 | } | |
151 | ||
152 | ModeData = &Private->ModeData[ModeNumber]; | |
153 | This->Mode->Mode = ModeNumber; | |
154 | Private->GraphicsOutput.Mode->Info->HorizontalResolution = ModeData->HorizontalResolution; | |
155 | Private->GraphicsOutput.Mode->Info->VerticalResolution = ModeData->VerticalResolution; | |
156 | Private->GraphicsOutput.Mode->Info->PixelsPerScanLine = ModeData->HorizontalResolution; | |
157 | ||
158 | if (Private->HardwareNeedsStarting) { | |
159 | Status = WinNtGopStartWindow ( | |
160 | Private, | |
161 | ModeData->HorizontalResolution, | |
162 | ModeData->VerticalResolution, | |
163 | ModeData->ColorDepth, | |
164 | ModeData->RefreshRate | |
165 | ); | |
166 | if (EFI_ERROR (Status)) { | |
167 | return EFI_DEVICE_ERROR; | |
168 | } | |
169 | ||
170 | Private->HardwareNeedsStarting = FALSE; | |
171 | } else { | |
172 | // | |
173 | // Change the resolution and resize of the window | |
174 | // | |
175 | ||
176 | // | |
177 | // Free the old buffer. We do not save the content of the old buffer since the | |
178 | // screen is to be cleared anyway. Clearing the screen is required by the EFI spec. | |
179 | // See UEFI spec -EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode() | |
180 | // | |
181 | Private->WinNtThunk->HeapFree (Private->WinNtThunk->GetProcessHeap (), 0, Private->VirtualScreenInfo); | |
182 | ||
183 | // | |
184 | // Allocate DIB frame buffer directly from NT for performance enhancement | |
185 | // This buffer is the virtual screen/frame buffer. This buffer is not the | |
186 | // same a a frame buffer. The first row of this buffer will be the bottom | |
187 | // line of the image. This is an artifact of the way we draw to the screen. | |
188 | // | |
189 | Size = ModeData->HorizontalResolution * ModeData->VerticalResolution * sizeof (RGBQUAD) + sizeof (BITMAPV4HEADER); | |
190 | Private->VirtualScreenInfo = Private->WinNtThunk->HeapAlloc ( | |
191 | Private->WinNtThunk->GetProcessHeap (), | |
192 | HEAP_ZERO_MEMORY, | |
193 | Size | |
194 | ); | |
195 | ||
196 | // | |
197 | // Update the virtual screen info data structure | |
198 | // | |
199 | Private->VirtualScreenInfo->bV4Size = sizeof (BITMAPV4HEADER); | |
200 | Private->VirtualScreenInfo->bV4Width = ModeData->HorizontalResolution; | |
201 | Private->VirtualScreenInfo->bV4Height = ModeData->VerticalResolution; | |
202 | Private->VirtualScreenInfo->bV4Planes = 1; | |
203 | Private->VirtualScreenInfo->bV4BitCount = 32; | |
204 | // | |
205 | // uncompressed | |
206 | // | |
207 | Private->VirtualScreenInfo->bV4V4Compression = BI_RGB; | |
208 | ||
209 | // | |
210 | // The rest of the allocated memory block is the virtual screen buffer | |
211 | // | |
212 | Private->VirtualScreen = (RGBQUAD *) (Private->VirtualScreenInfo + 1); | |
213 | ||
214 | // | |
215 | // Use the AdjuctWindowRect fuction to calculate the real width and height | |
216 | // of the new window including the border and caption | |
217 | // | |
218 | Rect.left = 0; | |
219 | Rect.top = 0; | |
220 | Rect.right = ModeData->HorizontalResolution; | |
221 | Rect.bottom = ModeData->VerticalResolution; | |
222 | ||
223 | Private->WinNtThunk->AdjustWindowRect (&Rect, WS_OVERLAPPEDWINDOW, 0); | |
224 | ||
225 | Width = Rect.right - Rect.left; | |
226 | Height = Rect.bottom - Rect.top; | |
227 | ||
228 | // | |
229 | // Retrieve the original window position information | |
230 | // | |
231 | Private->WinNtThunk->GetWindowRect (Private->WindowHandle, &Rect); | |
232 | ||
233 | // | |
234 | // Adjust the window size | |
235 | // | |
236 | Private->WinNtThunk->MoveWindow (Private->WindowHandle, Rect.left, Rect.top, Width, Height, TRUE); | |
237 | ||
238 | } | |
239 | ||
fa332de7 | 240 | NewFillLine = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * ModeData->HorizontalResolution); |
241 | if (NewFillLine == NULL) { | |
72b695f3 | 242 | return EFI_DEVICE_ERROR; |
243 | } | |
244 | ||
245 | if (Private->FillLine != NULL) { | |
fa332de7 | 246 | FreePool (Private->FillLine); |
72b695f3 | 247 | } |
248 | ||
249 | Private->FillLine = NewFillLine; | |
250 | ||
251 | Fill.Red = 0x00; | |
252 | Fill.Green = 0x00; | |
253 | Fill.Blue = 0x00; | |
254 | This->Blt ( | |
255 | This, | |
256 | &Fill, | |
257 | EfiBltVideoFill, | |
258 | 0, | |
259 | 0, | |
260 | 0, | |
261 | 0, | |
262 | ModeData->HorizontalResolution, | |
263 | ModeData->VerticalResolution, | |
264 | ModeData->HorizontalResolution * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) | |
265 | ); | |
266 | return EFI_SUCCESS; | |
267 | } | |
268 | ||
269 | ||
270 | /** | |
271 | Blt pixels from the rectangle (Width X Height) formed by the BltBuffer | |
272 | onto the graphics screen starting a location (X, Y). (0, 0) is defined as | |
273 | the upper left hand side of the screen. (X, Y) can be outside of the | |
274 | current screen geometry and the BltBuffer will be cliped when it is | |
275 | displayed. X and Y can be negative or positive. If Width or Height is | |
276 | bigger than the current video screen the image will be clipped. | |
277 | ||
278 | @param This Protocol instance pointer. | |
279 | @param X X location on graphics screen. | |
280 | @param Y Y location on the graphics screen. | |
281 | @param Width Width of BltBuffer. | |
282 | @param Height Hight of BltBuffer | |
283 | @param BltOperation Operation to perform on BltBuffer and video memory | |
284 | @param BltBuffer Buffer containing data to blt into video buffer. | |
285 | This buffer has a size of | |
286 | Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL) | |
287 | @param SourceX If the BltOperation is a EfiCopyBlt this is the | |
288 | source of the copy. For other BLT operations this | |
289 | argument is not used. | |
290 | @param SourceX If the BltOperation is a EfiCopyBlt this is the | |
291 | source of the copy. For other BLT operations this | |
292 | argument is not used. | |
293 | ||
294 | @retval EFI_SUCCESS The palette is updated with PaletteArray. | |
295 | @retval EFI_INVALID_PARAMETER BltOperation is not valid. | |
296 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video | |
297 | buffer. | |
298 | ||
299 | **/ | |
300 | // TODO: SourceY - add argument and description to function comment | |
301 | // TODO: DestinationX - add argument and description to function comment | |
302 | // TODO: DestinationY - add argument and description to function comment | |
303 | // TODO: Delta - add argument and description to function comment | |
304 | EFI_STATUS | |
305 | EFIAPI | |
306 | WinNtGopBlt ( | |
307 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This, | |
308 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL | |
309 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation, | |
310 | IN UINTN SourceX, | |
311 | IN UINTN SourceY, | |
312 | IN UINTN DestinationX, | |
313 | IN UINTN DestinationY, | |
314 | IN UINTN Width, | |
315 | IN UINTN Height, | |
316 | IN UINTN Delta OPTIONAL | |
317 | ) | |
318 | { | |
319 | GOP_PRIVATE_DATA *Private; | |
320 | EFI_TPL OriginalTPL; | |
321 | UINTN DstY; | |
322 | UINTN SrcY; | |
323 | RGBQUAD *VScreen; | |
324 | RGBQUAD *VScreenSrc; | |
325 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt; | |
326 | UINTN Index; | |
327 | RECT Rect; | |
328 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *FillPixel; | |
329 | UINT32 VerticalResolution; | |
330 | UINT32 HorizontalResolution; | |
331 | ||
332 | Private = GOP_PRIVATE_DATA_FROM_THIS (This); | |
333 | ||
334 | if ((BltOperation < 0) || (BltOperation >= EfiGraphicsOutputBltOperationMax)) { | |
335 | return EFI_INVALID_PARAMETER; | |
336 | } | |
337 | ||
338 | if (Width == 0 || Height == 0) { | |
339 | return EFI_INVALID_PARAMETER; | |
340 | } | |
341 | // | |
342 | // If Delta is zero, then the entire BltBuffer is being used, so Delta | |
343 | // is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size, | |
344 | // the number of bytes in each row can be computed. | |
345 | // | |
346 | if (Delta == 0) { | |
347 | Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL); | |
348 | } | |
349 | ||
350 | // | |
351 | // We need to fill the Virtual Screen buffer with the blt data. | |
352 | // The virtual screen is upside down, as the first row is the bootom row of | |
353 | // the image. | |
354 | // | |
355 | VerticalResolution = This->Mode->Info->VerticalResolution; | |
356 | HorizontalResolution = This->Mode->Info->HorizontalResolution; | |
357 | if (BltOperation == EfiBltVideoToBltBuffer) { | |
358 | ||
359 | // | |
360 | // Video to BltBuffer: Source is Video, destination is BltBuffer | |
361 | // | |
362 | if (SourceY + Height > VerticalResolution) { | |
363 | return EFI_INVALID_PARAMETER; | |
364 | } | |
365 | ||
366 | if (SourceX + Width > HorizontalResolution) { | |
367 | return EFI_INVALID_PARAMETER; | |
368 | } | |
369 | // | |
370 | // We have to raise to TPL Notify, so we make an atomic write the frame buffer. | |
371 | // We would not want a timer based event (Cursor, ...) to come in while we are | |
372 | // doing this operation. | |
373 | // | |
374 | OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY); | |
375 | ||
376 | for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY); SrcY++, DstY++) { | |
377 | Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + (DstY * Delta) + DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); | |
378 | VScreen = &Private->VirtualScreen[(VerticalResolution - SrcY - 1) * HorizontalResolution + SourceX]; | |
379 | CopyMem (Blt, VScreen, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * Width); | |
380 | } | |
381 | } else { | |
382 | // | |
383 | // BltBuffer to Video: Source is BltBuffer, destination is Video | |
384 | // | |
385 | if (DestinationY + Height > VerticalResolution) { | |
386 | return EFI_INVALID_PARAMETER; | |
387 | } | |
388 | ||
389 | if (DestinationX + Width > HorizontalResolution) { | |
390 | return EFI_INVALID_PARAMETER; | |
391 | } | |
392 | ||
393 | // | |
394 | // We have to raise to TPL Notify, so we make an atomic write the frame buffer. | |
395 | // We would not want a timer based event (Cursor, ...) to come in while we are | |
396 | // doing this operation. | |
397 | // | |
398 | OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY); | |
399 | ||
400 | if (BltOperation == EfiBltVideoFill) { | |
401 | FillPixel = BltBuffer; | |
402 | for (Index = 0; Index < Width; Index++) { | |
403 | Private->FillLine[Index] = *FillPixel; | |
404 | } | |
405 | } | |
406 | ||
407 | for (Index = 0; Index < Height; Index++) { | |
408 | if (DestinationY <= SourceY) { | |
409 | SrcY = SourceY + Index; | |
410 | DstY = DestinationY + Index; | |
411 | } else { | |
412 | SrcY = SourceY + Height - Index - 1; | |
413 | DstY = DestinationY + Height - Index - 1; | |
414 | } | |
415 | ||
416 | VScreen = &Private->VirtualScreen[(VerticalResolution - DstY - 1) * HorizontalResolution + DestinationX]; | |
417 | switch (BltOperation) { | |
418 | case EfiBltBufferToVideo: | |
419 | Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + (SrcY * Delta) + SourceX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); | |
420 | CopyMem (VScreen, Blt, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); | |
421 | break; | |
422 | ||
423 | case EfiBltVideoToVideo: | |
424 | VScreenSrc = &Private->VirtualScreen[(VerticalResolution - SrcY - 1) * HorizontalResolution + SourceX]; | |
425 | CopyMem (VScreen, VScreenSrc, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); | |
426 | break; | |
427 | ||
428 | case EfiBltVideoFill: | |
429 | CopyMem (VScreen, Private->FillLine, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); | |
430 | break; | |
431 | } | |
432 | } | |
433 | } | |
434 | ||
435 | if (BltOperation != EfiBltVideoToBltBuffer) { | |
436 | // | |
437 | // Mark the area we just blted as Invalid so WM_PAINT will update. | |
438 | // | |
439 | Rect.left = DestinationX; | |
440 | Rect.top = DestinationY; | |
441 | Rect.right = DestinationX + Width; | |
442 | Rect.bottom = DestinationY + Height; | |
443 | Private->WinNtThunk->InvalidateRect (Private->WindowHandle, &Rect, FALSE); | |
444 | ||
445 | // | |
446 | // Send the WM_PAINT message to the thread that is drawing the window. We | |
447 | // are in the main thread and the window drawing is in a child thread. | |
448 | // There is a child thread per window. We have no CriticalSection or Mutex | |
449 | // since we write the data and the other thread displays the data. While | |
450 | // we may miss some data for a short period of time this is no different than | |
451 | // a write combining on writes to a frame buffer. | |
452 | // | |
453 | ||
454 | Private->WinNtThunk->UpdateWindow (Private->WindowHandle); | |
455 | } | |
456 | ||
457 | gBS->RestoreTPL (OriginalTPL); | |
458 | ||
459 | return EFI_SUCCESS; | |
460 | } | |
461 | ||
462 | // | |
463 | // Construction and Destruction functions | |
464 | // | |
465 | ||
466 | ||
467 | /** | |
468 | ||
469 | ||
470 | @return None | |
471 | ||
472 | **/ | |
473 | // TODO: WinNtIo - add argument and description to function comment | |
474 | // TODO: EFI_UNSUPPORTED - add return value to function comment | |
475 | // TODO: EFI_SUCCESS - add return value to function comment | |
476 | EFI_STATUS | |
477 | WinNtGopSupported ( | |
478 | IN EFI_WIN_NT_IO_PROTOCOL *WinNtIo | |
479 | ) | |
480 | { | |
481 | // | |
482 | // Check to see if the IO abstraction represents a device type we support. | |
483 | // | |
484 | // This would be replaced a check of PCI subsystem ID, etc. | |
485 | // | |
486 | if (!CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtGopGuid)) { | |
487 | return EFI_UNSUPPORTED; | |
488 | } | |
489 | ||
490 | return EFI_SUCCESS; | |
491 | } | |
492 | ||
493 | ||
494 | /** | |
495 | Win32 Windows event handler. | |
496 | ||
497 | See Win32 Book | |
498 | ||
499 | @return See Win32 Book | |
500 | ||
501 | **/ | |
502 | // TODO: hwnd - add argument and description to function comment | |
503 | // TODO: iMsg - add argument and description to function comment | |
504 | // TODO: wParam - add argument and description to function comment | |
505 | // TODO: lParam - add argument and description to function comment | |
506 | LRESULT | |
507 | CALLBACK | |
508 | WinNtGopThreadWindowProc ( | |
509 | IN HWND hwnd, | |
510 | IN UINT iMsg, | |
511 | IN WPARAM wParam, | |
512 | IN LPARAM lParam | |
513 | ) | |
514 | { | |
515 | GOP_PRIVATE_DATA *Private; | |
516 | UINTN Size; | |
517 | HDC Handle; | |
518 | PAINTSTRUCT PaintStruct; | |
519 | LPARAM Index; | |
520 | EFI_INPUT_KEY Key; | |
521 | ||
522 | // | |
523 | // BugBug - if there are two instances of this DLL in memory (such as is | |
524 | // the case for ERM), the correct instance of this function may not be called. | |
525 | // This also means that the address of the mTlsIndex value will be wrong, and | |
526 | // the value may be wrong too. | |
527 | // | |
528 | ||
529 | ||
530 | // | |
531 | // Use mTlsIndex global to get a Thread Local Storage version of Private. | |
532 | // This works since each Gop protocol has a unique Private data instance and | |
533 | // a unique thread. | |
534 | // | |
535 | Private = mWinNt->TlsGetValue (mTlsIndex); | |
536 | ASSERT (NULL != Private); | |
537 | ||
538 | switch (iMsg) { | |
539 | case WM_CREATE: | |
540 | Size = Private->GraphicsOutput.Mode->Info->HorizontalResolution * Private->GraphicsOutput.Mode->Info->VerticalResolution * sizeof (RGBQUAD); | |
541 | ||
542 | // | |
543 | // Allocate DIB frame buffer directly from NT for performance enhancement | |
544 | // This buffer is the virtual screen/frame buffer. This buffer is not the | |
545 | // same a a frame buffer. The first fow of this buffer will be the bottom | |
546 | // line of the image. This is an artifact of the way we draw to the screen. | |
547 | // | |
548 | Private->VirtualScreenInfo = Private->WinNtThunk->HeapAlloc ( | |
549 | Private->WinNtThunk->GetProcessHeap (), | |
550 | HEAP_ZERO_MEMORY, | |
551 | Size | |
552 | ); | |
553 | ||
554 | Private->VirtualScreenInfo->bV4Size = sizeof (BITMAPV4HEADER); | |
555 | Private->VirtualScreenInfo->bV4Width = Private->GraphicsOutput.Mode->Info->HorizontalResolution; | |
556 | Private->VirtualScreenInfo->bV4Height = Private->GraphicsOutput.Mode->Info->VerticalResolution; | |
557 | Private->VirtualScreenInfo->bV4Planes = 1; | |
558 | Private->VirtualScreenInfo->bV4BitCount = 32; | |
559 | // | |
560 | // uncompressed | |
561 | // | |
562 | Private->VirtualScreenInfo->bV4V4Compression = BI_RGB; | |
563 | Private->VirtualScreen = (RGBQUAD *) (Private->VirtualScreenInfo + 1); | |
564 | return 0; | |
565 | ||
566 | case WM_PAINT: | |
567 | // | |
568 | // I have not found a way to convert hwnd into a Private context. So for | |
569 | // now we use this API to convert hwnd to Private data. | |
570 | // | |
571 | ||
572 | Handle = mWinNt->BeginPaint (hwnd, &PaintStruct); | |
573 | ||
574 | mWinNt->SetDIBitsToDevice ( | |
575 | Handle, // Destination Device Context | |
576 | 0, // Destination X - 0 | |
577 | 0, // Destination Y - 0 | |
578 | Private->GraphicsOutput.Mode->Info->HorizontalResolution, // Width | |
579 | Private->GraphicsOutput.Mode->Info->VerticalResolution, // Height | |
580 | 0, // Source X | |
581 | 0, // Source Y | |
582 | 0, // DIB Start Scan Line | |
583 | Private->GraphicsOutput.Mode->Info->VerticalResolution, // Number of scan lines | |
584 | Private->VirtualScreen, // Address of array of DIB bits | |
585 | (BITMAPINFO *) Private->VirtualScreenInfo, // Address of structure with bitmap info | |
586 | DIB_RGB_COLORS // RGB or palette indexes | |
587 | ); | |
588 | ||
589 | mWinNt->EndPaint (hwnd, &PaintStruct); | |
590 | return 0; | |
591 | ||
592 | // | |
593 | // F10 and the ALT key do not create a WM_KEYDOWN message, thus this special case | |
594 | // | |
595 | case WM_SYSKEYDOWN: | |
596 | Key.ScanCode = 0; | |
597 | switch (wParam) { | |
598 | case VK_F10: | |
599 | Key.ScanCode = SCAN_F10; | |
600 | Key.UnicodeChar = 0; | |
601 | GopPrivateAddQ (Private, Key); | |
602 | return 0; | |
603 | } | |
604 | break; | |
605 | ||
606 | case WM_KEYDOWN: | |
607 | Key.ScanCode = 0; | |
608 | switch (wParam) { | |
609 | case VK_HOME: Key.ScanCode = SCAN_HOME; break; | |
610 | case VK_END: Key.ScanCode = SCAN_END; break; | |
611 | case VK_LEFT: Key.ScanCode = SCAN_LEFT; break; | |
612 | case VK_RIGHT: Key.ScanCode = SCAN_RIGHT; break; | |
613 | case VK_UP: Key.ScanCode = SCAN_UP; break; | |
614 | case VK_DOWN: Key.ScanCode = SCAN_DOWN; break; | |
615 | case VK_DELETE: Key.ScanCode = SCAN_DELETE; break; | |
616 | case VK_INSERT: Key.ScanCode = SCAN_INSERT; break; | |
617 | case VK_PRIOR: Key.ScanCode = SCAN_PAGE_UP; break; | |
618 | case VK_NEXT: Key.ScanCode = SCAN_PAGE_DOWN; break; | |
619 | case VK_ESCAPE: Key.ScanCode = SCAN_ESC; break; | |
620 | ||
621 | case VK_F1: Key.ScanCode = SCAN_F1; break; | |
622 | case VK_F2: Key.ScanCode = SCAN_F2; break; | |
623 | case VK_F3: Key.ScanCode = SCAN_F3; break; | |
624 | case VK_F4: Key.ScanCode = SCAN_F4; break; | |
625 | case VK_F5: Key.ScanCode = SCAN_F5; break; | |
626 | case VK_F6: Key.ScanCode = SCAN_F6; break; | |
627 | case VK_F7: Key.ScanCode = SCAN_F7; break; | |
628 | case VK_F8: Key.ScanCode = SCAN_F8; break; | |
629 | case VK_F9: Key.ScanCode = SCAN_F9; break; | |
4b2e0684 | 630 | case VK_F11: Key.ScanCode = SCAN_F11; break; |
fa332de7 | 631 | case VK_F12: Key.ScanCode = SCAN_F12; break; |
72b695f3 | 632 | } |
633 | ||
634 | if (Key.ScanCode != 0) { | |
635 | Key.UnicodeChar = 0; | |
636 | GopPrivateAddQ (Private, Key); | |
637 | } | |
638 | ||
639 | return 0; | |
640 | ||
641 | case WM_CHAR: | |
642 | // | |
643 | // The ESC key also generate WM_CHAR. | |
644 | // | |
645 | if (wParam == 0x1B) { | |
646 | return 0; | |
647 | } | |
648 | ||
649 | for (Index = 0; Index < (lParam & 0xffff); Index++) { | |
650 | if (wParam != 0) { | |
651 | Key.UnicodeChar = (CHAR16) wParam; | |
652 | Key.ScanCode = 0; | |
653 | GopPrivateAddQ (Private, Key); | |
654 | } | |
655 | } | |
656 | ||
657 | return 0; | |
658 | ||
659 | case WM_CLOSE: | |
660 | // | |
661 | // This close message is issued by user, core is not aware of this, | |
662 | // so don't release the window display resource, just hide the window. | |
663 | // | |
664 | Private->WinNtThunk->ShowWindow (Private->WindowHandle, SW_HIDE); | |
665 | return 0; | |
666 | ||
667 | case WM_DESTROY: | |
668 | mWinNt->DestroyWindow (hwnd); | |
669 | mWinNt->PostQuitMessage (0); | |
670 | ||
671 | mWinNt->HeapFree (Private->WinNtThunk->GetProcessHeap (), 0, Private->VirtualScreenInfo); | |
672 | ||
673 | mWinNt->ExitThread (0); | |
674 | return 0; | |
675 | ||
676 | default: | |
677 | break; | |
678 | }; | |
679 | ||
680 | return mWinNt->DefWindowProc (hwnd, iMsg, wParam, lParam); | |
681 | } | |
682 | ||
683 | ||
684 | /** | |
685 | This thread simulates the end of WinMain () aplication. Each Winow nededs | |
686 | to process it's events. The messages are dispatched to | |
687 | WinNtGopThreadWindowProc (). | |
688 | Be very careful sine WinNtGopThreadWinMain () and WinNtGopThreadWindowProc () | |
689 | are running in a seperate thread. We have to do this to process the events. | |
690 | ||
691 | @param lpParameter Handle of window to manage. | |
692 | ||
693 | @return if a WM_QUIT message is returned exit. | |
694 | ||
695 | **/ | |
696 | DWORD | |
697 | WINAPI | |
698 | WinNtGopThreadWinMain ( | |
699 | LPVOID lpParameter | |
700 | ) | |
701 | { | |
702 | MSG Message; | |
703 | GOP_PRIVATE_DATA *Private; | |
704 | ATOM Atom; | |
705 | RECT Rect; | |
706 | ||
707 | Private = (GOP_PRIVATE_DATA *) lpParameter; | |
708 | ASSERT (NULL != Private); | |
709 | ||
710 | // | |
711 | // Since each thread has unique private data, save the private data in Thread | |
712 | // Local Storage slot. Then the shared global mTlsIndex can be used to get | |
713 | // thread specific context. | |
714 | // | |
715 | Private->WinNtThunk->TlsSetValue (mTlsIndex, Private); | |
716 | ||
717 | Private->ThreadId = Private->WinNtThunk->GetCurrentThreadId (); | |
718 | ||
719 | Private->WindowsClass.cbSize = sizeof (WNDCLASSEX); | |
720 | Private->WindowsClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; | |
721 | Private->WindowsClass.lpfnWndProc = WinNtGopThreadWindowProc; | |
722 | Private->WindowsClass.cbClsExtra = 0; | |
723 | Private->WindowsClass.cbWndExtra = 0; | |
724 | Private->WindowsClass.hInstance = NULL; | |
725 | Private->WindowsClass.hIcon = Private->WinNtThunk->LoadIcon (NULL, IDI_APPLICATION); | |
726 | Private->WindowsClass.hCursor = Private->WinNtThunk->LoadCursor (NULL, IDC_ARROW); | |
727 | Private->WindowsClass.hbrBackground = (HBRUSH) COLOR_WINDOW; | |
728 | Private->WindowsClass.lpszMenuName = NULL; | |
729 | Private->WindowsClass.lpszClassName = WIN_NT_GOP_CLASS_NAME; | |
730 | Private->WindowsClass.hIconSm = Private->WinNtThunk->LoadIcon (NULL, IDI_APPLICATION); | |
731 | ||
732 | // | |
733 | // This call will fail after the first time, but thats O.K. since we only need | |
734 | // WIN_NT_GOP_CLASS_NAME to exist to create the window. | |
735 | // | |
736 | // Note: Multiple instances of this DLL will use the same instance of this | |
737 | // Class, including the callback function, unless the Class is unregistered and | |
738 | // successfully registered again. | |
739 | // | |
740 | Atom = Private->WinNtThunk->RegisterClassEx (&Private->WindowsClass); | |
741 | ||
742 | // | |
743 | // Setting Rect values to allow for the AdjustWindowRect to provide | |
744 | // us the correct sizes for the client area when doing the CreateWindowEx | |
745 | // | |
746 | Rect.top = 0; | |
747 | Rect.bottom = Private->GraphicsOutput.Mode->Info->VerticalResolution; | |
748 | Rect.left = 0; | |
749 | Rect.right = Private->GraphicsOutput.Mode->Info->HorizontalResolution; | |
750 | ||
751 | Private->WinNtThunk->AdjustWindowRect (&Rect, WS_OVERLAPPEDWINDOW, 0); | |
752 | ||
753 | Private->WindowHandle = Private->WinNtThunk->CreateWindowEx ( | |
754 | 0, | |
755 | WIN_NT_GOP_CLASS_NAME, | |
756 | Private->WindowName, | |
757 | WS_OVERLAPPEDWINDOW, | |
758 | CW_USEDEFAULT, | |
759 | CW_USEDEFAULT, | |
760 | Rect.right - Rect.left, | |
761 | Rect.bottom - Rect.top, | |
762 | NULL, | |
763 | NULL, | |
764 | NULL, | |
765 | &Private | |
766 | ); | |
767 | ||
768 | // | |
769 | // The reset of this thread is the standard winows program. We need a sperate | |
770 | // thread since we must process the message loop to make windows act like | |
771 | // windows. | |
772 | // | |
773 | ||
774 | Private->WinNtThunk->ShowWindow (Private->WindowHandle, SW_SHOW); | |
775 | Private->WinNtThunk->UpdateWindow (Private->WindowHandle); | |
776 | ||
777 | // | |
778 | // Let the main thread get some work done | |
779 | // | |
780 | Private->WinNtThunk->ReleaseSemaphore (Private->ThreadInited, 1, NULL); | |
781 | ||
782 | // | |
783 | // This is the message loop that all Windows programs need. | |
784 | // | |
785 | while (Private->WinNtThunk->GetMessage (&Message, Private->WindowHandle, 0, 0)) { | |
786 | Private->WinNtThunk->TranslateMessage (&Message); | |
787 | Private->WinNtThunk->DispatchMessage (&Message); | |
788 | } | |
789 | ||
790 | return Message.wParam; | |
791 | } | |
792 | ||
793 | ||
794 | /** | |
795 | TODO: Add function description | |
796 | ||
797 | @param Private TODO: add argument description | |
798 | @param HorizontalResolution TODO: add argument description | |
799 | @param VerticalResolution TODO: add argument description | |
800 | @param ColorDepth TODO: add argument description | |
801 | @param RefreshRate TODO: add argument description | |
802 | ||
803 | @return TODO: add return values | |
804 | ||
805 | **/ | |
806 | EFI_STATUS | |
807 | WinNtGopStartWindow ( | |
808 | IN GOP_PRIVATE_DATA *Private, | |
809 | IN UINT32 HorizontalResolution, | |
810 | IN UINT32 VerticalResolution, | |
811 | IN UINT32 ColorDepth, | |
812 | IN UINT32 RefreshRate | |
813 | ) | |
814 | { | |
815 | EFI_STATUS Status; | |
816 | DWORD NewThreadId; | |
817 | ||
818 | mWinNt = Private->WinNtThunk; | |
819 | ||
820 | // | |
821 | // Initialize a Thread Local Storge variable slot. We use TLS to get the | |
822 | // correct Private data instance into the windows thread. | |
823 | // | |
824 | if (mTlsIndex == TLS_OUT_OF_INDEXES) { | |
825 | ASSERT (0 == mTlsIndexUseCount); | |
826 | mTlsIndex = Private->WinNtThunk->TlsAlloc (); | |
827 | } | |
828 | ||
829 | // | |
830 | // always increase the use count! | |
831 | // | |
832 | mTlsIndexUseCount++; | |
833 | ||
834 | // | |
835 | // Register to be notified on exit boot services so we can destroy the window. | |
836 | // | |
837 | Status = gBS->CreateEvent ( | |
93b0fbc8 | 838 | EVT_SIGNAL_EXIT_BOOT_SERVICES, |
72b695f3 | 839 | TPL_CALLBACK, |
840 | KillNtGopThread, | |
841 | Private, | |
842 | &mGopScreenExitBootServicesEvent | |
843 | ); | |
844 | ||
845 | Private->ThreadInited = Private->WinNtThunk->CreateSemaphore (NULL, 0, 1, NULL); | |
846 | Private->ThreadHandle = Private->WinNtThunk->CreateThread ( | |
847 | NULL, | |
848 | 0, | |
849 | WinNtGopThreadWinMain, | |
850 | (VOID *) Private, | |
851 | 0, | |
852 | &NewThreadId | |
853 | ); | |
854 | ||
855 | // | |
856 | // The other thread has entered the windows message loop so we can | |
857 | // continue our initialization. | |
858 | // | |
859 | Private->WinNtThunk->WaitForSingleObject (Private->ThreadInited, INFINITE); | |
860 | Private->WinNtThunk->CloseHandle (Private->ThreadInited); | |
861 | ||
862 | return Status; | |
863 | } | |
864 | ||
865 | ||
866 | /** | |
867 | ||
868 | ||
869 | @return None | |
870 | ||
871 | **/ | |
872 | // TODO: Private - add argument and description to function comment | |
873 | // TODO: EFI_SUCCESS - add return value to function comment | |
874 | EFI_STATUS | |
875 | WinNtGopConstructor ( | |
876 | GOP_PRIVATE_DATA *Private | |
877 | ) | |
878 | { | |
72b695f3 | 879 | Private->ModeData = mGopModeData; |
880 | ||
881 | Private->GraphicsOutput.QueryMode = WinNtGopQuerytMode; | |
882 | Private->GraphicsOutput.SetMode = WinNtGopSetMode; | |
883 | Private->GraphicsOutput.Blt = WinNtGopBlt; | |
884 | ||
885 | // | |
886 | // Allocate buffer for Graphics Output Protocol mode information | |
887 | // | |
fa332de7 | 888 | Private->GraphicsOutput.Mode = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE)); |
889 | if (Private->GraphicsOutput.Mode == NULL) { | |
890 | return EFI_OUT_OF_RESOURCES; | |
72b695f3 | 891 | } |
fa332de7 | 892 | Private->GraphicsOutput.Mode->Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION)); |
893 | if (Private->GraphicsOutput.Mode->Info == NULL) { | |
894 | return EFI_OUT_OF_RESOURCES; | |
72b695f3 | 895 | } |
fa332de7 | 896 | |
72b695f3 | 897 | Private->GraphicsOutput.Mode->MaxMode = sizeof(mGopModeData) / sizeof(GOP_MODE_DATA); |
898 | // | |
899 | // Till now, we have no idea about the window size. | |
900 | // | |
901 | Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER; | |
902 | Private->GraphicsOutput.Mode->Info->Version = 0; | |
903 | Private->GraphicsOutput.Mode->Info->HorizontalResolution = 0; | |
904 | Private->GraphicsOutput.Mode->Info->VerticalResolution = 0; | |
4b2e0684 | 905 | Private->GraphicsOutput.Mode->Info->PixelFormat = PixelBltOnly; |
72b695f3 | 906 | Private->GraphicsOutput.Mode->SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION); |
1be0dda6 | 907 | Private->GraphicsOutput.Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS) (UINTN) NULL; |
72b695f3 | 908 | Private->GraphicsOutput.Mode->FrameBufferSize = 0; |
909 | ||
910 | Private->HardwareNeedsStarting = TRUE; | |
911 | Private->FillLine = NULL; | |
912 | ||
913 | WinNtGopInitializeSimpleTextInForWindow (Private); | |
914 | ||
915 | return EFI_SUCCESS; | |
916 | } | |
917 | ||
918 | ||
919 | /** | |
920 | ||
921 | ||
922 | @return None | |
923 | ||
924 | **/ | |
925 | // TODO: Private - add argument and description to function comment | |
926 | // TODO: EFI_SUCCESS - add return value to function comment | |
927 | EFI_STATUS | |
928 | WinNtGopDestructor ( | |
929 | GOP_PRIVATE_DATA *Private | |
930 | ) | |
931 | { | |
932 | UINT32 UnregisterReturn; | |
933 | ||
934 | if (!Private->HardwareNeedsStarting) { | |
935 | // | |
936 | // BugBug: Shutdown GOP Hardware and any child devices. | |
937 | // | |
938 | Private->WinNtThunk->SendMessage (Private->WindowHandle, WM_DESTROY, 0, 0); | |
939 | Private->WinNtThunk->CloseHandle (Private->ThreadHandle); | |
940 | ||
941 | mTlsIndexUseCount--; | |
942 | ||
943 | // | |
944 | // The callback function for another window could still be called, | |
945 | // so we need to make sure there are no more users of mTlsIndex. | |
946 | // | |
947 | if (0 == mTlsIndexUseCount) { | |
948 | ASSERT (TLS_OUT_OF_INDEXES != mTlsIndex); | |
949 | ||
950 | Private->WinNtThunk->TlsFree (mTlsIndex); | |
951 | mTlsIndex = TLS_OUT_OF_INDEXES; | |
952 | ||
953 | UnregisterReturn = Private->WinNtThunk->UnregisterClass ( | |
954 | Private->WindowsClass.lpszClassName, | |
955 | Private->WindowsClass.hInstance | |
956 | ); | |
957 | } | |
958 | ||
959 | WinNtGopDestroySimpleTextInForWindow (Private); | |
960 | } | |
961 | ||
962 | // | |
963 | // Free graphics output protocol occupied resource | |
964 | // | |
965 | if (Private->GraphicsOutput.Mode != NULL) { | |
966 | if (Private->GraphicsOutput.Mode->Info != NULL) { | |
fa332de7 | 967 | FreePool (Private->GraphicsOutput.Mode->Info); |
72b695f3 | 968 | } |
fa332de7 | 969 | FreePool (Private->GraphicsOutput.Mode); |
72b695f3 | 970 | } |
971 | ||
972 | return EFI_SUCCESS; | |
973 | } | |
974 | ||
975 | ||
976 | /** | |
977 | This is the GOP screen's callback notification function for exit-boot-services. | |
978 | All we do here is call WinNtGopDestructor(). | |
979 | ||
980 | @param Event not used | |
981 | @param Context pointer to the Private structure. | |
982 | ||
983 | @return None. | |
984 | ||
985 | **/ | |
986 | STATIC | |
987 | VOID | |
988 | EFIAPI | |
989 | KillNtGopThread ( | |
990 | IN EFI_EVENT Event, | |
991 | IN VOID *Context | |
992 | ) | |
993 | { | |
994 | EFI_STATUS Status; | |
995 | Status = WinNtGopDestructor (Context); | |
996 | } |