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fb0b259e | 1 | /** @file\r |
2 | Support for ConsoleControl protocol. Support for Graphics output spliter.\r | |
3 | Support for DevNull Console Out. This console uses memory buffers\r | |
4 | to represnt the console. It allows a console to start very early and\r | |
5 | when a new console is added it is synced up with the current console.\r | |
95276127 | 6 | \r |
fb0b259e | 7 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
95276127 | 8 | All rights reserved. This program and the accompanying materials\r |
9 | are licensed and made available under the terms and conditions of the BSD License\r | |
10 | which accompanies this distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
a4d608d1 | 16 | \r |
fb0b259e | 17 | **/\r |
95276127 | 18 | \r |
95276127 | 19 | \r |
95276127 | 20 | #include "ConSplitter.h"\r |
21 | \r | |
95276127 | 22 | \r |
a4d608d1 | 23 | STATIC CHAR16 mCrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };\r |
24 | \r | |
25 | \r | |
26 | /**\r | |
27 | Return the current video mode information. Also returns info about existence\r | |
28 | of Graphics Output devices or UGA Draw devices in system, and if the Std In device is locked. All the\r | |
29 | arguments are optional and only returned if a non NULL pointer is passed in.\r | |
30 | \r | |
31 | @param This Protocol instance pointer.\r | |
32 | @param Mode Are we in text of grahics mode.\r | |
33 | @param GopExists TRUE if GOP Spliter has found a GOP/UGA device\r | |
34 | @param StdInLocked TRUE if StdIn device is keyboard locked\r | |
95276127 | 35 | \r |
a4d608d1 | 36 | @retval EFI_SUCCESS Mode information returned.\r |
37 | @retval EFI_INVALID_PARAMETER Invalid parameters.\r | |
38 | \r | |
39 | **/\r | |
95276127 | 40 | EFI_STATUS\r |
41 | EFIAPI\r | |
42 | ConSpliterConsoleControlGetMode (\r | |
43 | IN EFI_CONSOLE_CONTROL_PROTOCOL *This,\r | |
44 | OUT EFI_CONSOLE_CONTROL_SCREEN_MODE *Mode,\r | |
45 | OUT BOOLEAN *GopExists,\r | |
46 | OUT BOOLEAN *StdInLocked\r | |
47 | )\r | |
95276127 | 48 | {\r |
49 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
50 | UINTN Index;\r | |
51 | \r | |
52 | Private = CONSOLE_CONTROL_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
53 | \r | |
54 | if (Mode == NULL) {\r | |
55 | return EFI_INVALID_PARAMETER;\r | |
56 | }\r | |
57 | \r | |
58 | *Mode = Private->ConsoleOutputMode;\r | |
59 | \r | |
60 | if (GopExists != NULL) {\r | |
61 | *GopExists = FALSE;\r | |
62 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r | |
63 | if ((Private->TextOutList[Index].GraphicsOutput != NULL) || (Private->TextOutList[Index].UgaDraw != NULL)) {\r | |
64 | *GopExists = TRUE;\r | |
65 | break;\r | |
66 | }\r | |
67 | }\r | |
68 | }\r | |
69 | \r | |
70 | if (StdInLocked != NULL) {\r | |
71 | *StdInLocked = ConSpliterConssoleControlStdInLocked ();\r | |
72 | }\r | |
73 | \r | |
74 | return EFI_SUCCESS;\r | |
75 | }\r | |
76 | \r | |
a4d608d1 | 77 | \r |
78 | /**\r | |
79 | Set the current mode to either text or graphics. Graphics is\r | |
80 | for Quiet Boot.\r | |
81 | \r | |
82 | @param This Protocol instance pointer.\r | |
83 | @param Mode Mode to set the\r | |
84 | \r | |
85 | @retval EFI_SUCCESS Mode information returned.\r | |
86 | @retval EFI_INVALID_PARAMETER Invalid parameter.\r | |
87 | @retval EFI_UNSUPPORTED Operation unsupported.\r | |
88 | \r | |
89 | **/\r | |
95276127 | 90 | EFI_STATUS\r |
91 | EFIAPI\r | |
92 | ConSpliterConsoleControlSetMode (\r | |
93 | IN EFI_CONSOLE_CONTROL_PROTOCOL *This,\r | |
94 | IN EFI_CONSOLE_CONTROL_SCREEN_MODE Mode\r | |
95 | )\r | |
95276127 | 96 | {\r |
97 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
98 | UINTN Index;\r | |
99 | TEXT_OUT_AND_GOP_DATA *TextAndGop;\r | |
100 | BOOLEAN Supported;\r | |
101 | \r | |
102 | Private = CONSOLE_CONTROL_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
103 | \r | |
104 | if (Mode >= EfiConsoleControlScreenMaxValue) {\r | |
105 | return EFI_INVALID_PARAMETER;\r | |
106 | }\r | |
107 | \r | |
108 | //\r | |
109 | // Judge current mode with wanted mode at first.\r | |
110 | //\r | |
111 | if (Private->ConsoleOutputMode == Mode) {\r | |
112 | return EFI_SUCCESS;\r | |
113 | }\r | |
114 | \r | |
115 | Supported = FALSE;\r | |
116 | TextAndGop = &Private->TextOutList[0];\r | |
117 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++, TextAndGop++) {\r | |
118 | if ((TextAndGop->GraphicsOutput != NULL) || (TextAndGop->UgaDraw != NULL)) {\r | |
119 | Supported = TRUE;\r | |
120 | break;\r | |
121 | }\r | |
122 | }\r | |
123 | \r | |
124 | if ((!Supported) && (Mode == EfiConsoleControlScreenGraphics)) {\r | |
125 | return EFI_UNSUPPORTED;\r | |
126 | }\r | |
127 | \r | |
128 | Private->ConsoleOutputMode = Mode;\r | |
129 | \r | |
130 | TextAndGop = &Private->TextOutList[0];\r | |
131 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++, TextAndGop++) {\r | |
132 | \r | |
133 | TextAndGop->TextOutEnabled = TRUE;\r | |
134 | //\r | |
135 | // If we are going into Graphics mode disable ConOut to any UGA device\r | |
136 | //\r | |
137 | if ((Mode == EfiConsoleControlScreenGraphics) &&((TextAndGop->GraphicsOutput != NULL) || (TextAndGop->UgaDraw != NULL))) {\r | |
138 | TextAndGop->TextOutEnabled = FALSE;\r | |
d0c64728 | 139 | if (FeaturePcdGet (PcdConOutGopSupport)) {\r |
140 | DevNullGopSync (Private, TextAndGop->GraphicsOutput, TextAndGop->UgaDraw);\r | |
141 | } else if (FeaturePcdGet (PcdConOutUgaSupport)) {\r | |
142 | DevNullUgaSync (Private, TextAndGop->GraphicsOutput, TextAndGop->UgaDraw);\r | |
143 | }\r | |
95276127 | 144 | }\r |
145 | }\r | |
95276127 | 146 | if (Mode == EfiConsoleControlScreenText) {\r |
aec072ad | 147 | DevNullSyncStdOut (Private);\r |
95276127 | 148 | }\r |
95276127 | 149 | return EFI_SUCCESS;\r |
150 | }\r | |
151 | \r | |
a4d608d1 | 152 | \r |
153 | /**\r | |
154 | Return the current video mode information.\r | |
155 | \r | |
156 | @param This Protocol instance pointer.\r | |
157 | @param ModeNumber The mode number to return information on.\r | |
158 | @param SizeOfInfo A pointer to the size, in bytes, of the Info\r | |
159 | buffer.\r | |
160 | @param Info Caller allocated buffer that returns information\r | |
161 | about ModeNumber.\r | |
162 | \r | |
163 | @retval EFI_SUCCESS Mode information returned.\r | |
164 | @retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.\r | |
165 | @retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the\r | |
166 | video mode.\r | |
167 | @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r | |
168 | @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r | |
169 | \r | |
170 | **/\r | |
95276127 | 171 | EFI_STATUS\r |
172 | EFIAPI\r | |
173 | ConSpliterGraphicsOutputQueryMode (\r | |
174 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
175 | IN UINT32 ModeNumber,\r | |
176 | OUT UINTN *SizeOfInfo,\r | |
177 | OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info\r | |
178 | )\r | |
95276127 | 179 | {\r |
180 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
95276127 | 181 | \r |
182 | if (This == NULL || Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {\r | |
183 | return EFI_INVALID_PARAMETER;\r | |
184 | }\r | |
185 | \r | |
186 | //\r | |
187 | // retrieve private data\r | |
188 | //\r | |
189 | Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
190 | \r | |
191 | if (Private->HardwareNeedsStarting) {\r | |
192 | return EFI_NOT_STARTED;\r | |
193 | }\r | |
194 | \r | |
195 | *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));\r | |
196 | \r | |
197 | if (*Info == NULL) {\r | |
198 | return EFI_OUT_OF_RESOURCES;\r | |
199 | }\r | |
200 | \r | |
201 | *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r | |
202 | \r | |
aec072ad | 203 | CopyMem (*Info, &Private->GraphicsOutputModeBuffer[ModeNumber], *SizeOfInfo);\r |
95276127 | 204 | \r |
205 | return EFI_SUCCESS;\r | |
206 | }\r | |
207 | \r | |
a4d608d1 | 208 | \r |
209 | /**\r | |
210 | Graphics output protocol interface to set video mode\r | |
211 | \r | |
212 | @param This Protocol instance pointer.\r | |
213 | @param ModeNumber The mode number to be set.\r | |
214 | \r | |
215 | @retval EFI_SUCCESS Graphics mode was changed.\r | |
216 | @retval EFI_DEVICE_ERROR The device had an error and could not complete\r | |
217 | the request.\r | |
218 | @retval EFI_UNSUPPORTED ModeNumber is not supported by this device.\r | |
219 | \r | |
220 | **/\r | |
95276127 | 221 | EFI_STATUS\r |
222 | EFIAPI\r | |
223 | ConSpliterGraphicsOutputSetMode (\r | |
224 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,\r | |
225 | IN UINT32 ModeNumber\r | |
226 | )\r | |
95276127 | 227 | {\r |
228 | EFI_STATUS Status;\r | |
229 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
230 | UINTN Index;\r | |
231 | EFI_STATUS ReturnStatus;\r | |
aec072ad | 232 | EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Mode;\r |
95276127 | 233 | UINTN Size;\r |
234 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
235 | UINTN NumberIndex;\r | |
236 | UINTN SizeOfInfo;\r | |
237 | EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r | |
238 | EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r | |
239 | \r | |
240 | if (ModeNumber >= This->Mode->MaxMode) {\r | |
241 | return EFI_UNSUPPORTED;\r | |
242 | }\r | |
243 | \r | |
244 | if (ModeNumber == This->Mode->Mode) {\r | |
245 | return EFI_SUCCESS;\r | |
246 | }\r | |
247 | \r | |
248 | Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
249 | \r | |
250 | //\r | |
251 | // GopDevNullSetMode ()\r | |
252 | //\r | |
253 | ReturnStatus = EFI_SUCCESS;\r | |
254 | \r | |
255 | //\r | |
256 | // Free the old version\r | |
257 | //\r | |
258 | if (Private->GraphicsOutputBlt != NULL) {\r | |
259 | FreePool (Private->GraphicsOutputBlt);\r | |
260 | }\r | |
261 | \r | |
262 | //\r | |
263 | // Allocate the virtual Blt buffer\r | |
264 | //\r | |
265 | Mode = &Private->GraphicsOutputModeBuffer[ModeNumber];\r | |
266 | Size = Mode->HorizontalResolution * Mode->VerticalResolution * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r | |
267 | Private->GraphicsOutputBlt = AllocateZeroPool (Size);\r | |
268 | \r | |
269 | if (Private->GraphicsOutputBlt == NULL) {\r | |
270 | return EFI_OUT_OF_RESOURCES;\r | |
271 | }\r | |
272 | \r | |
95276127 | 273 | //\r |
274 | // return the worst status met\r | |
275 | //\r | |
276 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r | |
277 | GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r | |
278 | if (GraphicsOutput != NULL) {\r | |
279 | //\r | |
280 | // Find corresponding ModeNumber of this GraphicsOutput instance\r | |
281 | //\r | |
282 | for (NumberIndex = 0; NumberIndex < GraphicsOutput->Mode->MaxMode; NumberIndex ++) {\r | |
283 | Status = GraphicsOutput->QueryMode (GraphicsOutput, (UINT32) NumberIndex, &SizeOfInfo, &Info);\r | |
284 | if (EFI_ERROR (Status)) {\r | |
285 | return Status;\r | |
286 | }\r | |
287 | if ((Info->HorizontalResolution == Mode->HorizontalResolution) && (Info->VerticalResolution == Mode->VerticalResolution)) {\r | |
288 | FreePool (Info);\r | |
289 | break;\r | |
290 | }\r | |
291 | FreePool (Info);\r | |
292 | }\r | |
293 | \r | |
294 | Status = GraphicsOutput->SetMode (GraphicsOutput, (UINT32) NumberIndex);\r | |
295 | if (EFI_ERROR (Status)) {\r | |
296 | ReturnStatus = Status;\r | |
297 | }\r | |
298 | }\r | |
299 | \r | |
8541adab | 300 | if (EFI_ERROR (ReturnStatus) && FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
d0c64728 | 301 | UgaDraw = Private->TextOutList[Index].UgaDraw;\r |
302 | if (UgaDraw != NULL) {\r | |
303 | Status = UgaDraw->SetMode (\r | |
304 | UgaDraw,\r | |
305 | Mode->HorizontalResolution,\r | |
306 | Mode->VerticalResolution,\r | |
307 | 32,\r | |
308 | 60\r | |
309 | );\r | |
310 | if (EFI_ERROR (Status)) {\r | |
311 | ReturnStatus = Status;\r | |
312 | }\r | |
95276127 | 313 | }\r |
314 | }\r | |
315 | }\r | |
316 | \r | |
317 | This->Mode->Mode = ModeNumber;\r | |
318 | \r | |
aec072ad | 319 | CopyMem (This->Mode->Info, &Private->GraphicsOutputModeBuffer[ModeNumber], This->Mode->SizeOfInfo);\r |
95276127 | 320 | \r |
321 | //\r | |
322 | // Information is not enough here, so the following items remain unchanged:\r | |
323 | // GraphicsOutputMode->Info->Version, GraphicsOutputMode->Info->PixelFormat\r | |
324 | // GraphicsOutputMode->SizeOfInfo, GraphicsOutputMode->FrameBufferBase, GraphicsOutputMode->FrameBufferSize\r | |
325 | // These items will be initialized/updated when a new GOP device is added into ConsoleSplitter.\r | |
326 | //\r | |
327 | \r | |
328 | Private->HardwareNeedsStarting = FALSE;\r | |
329 | \r | |
330 | return ReturnStatus;\r | |
331 | }\r | |
332 | \r | |
33019a71 | 333 | /**\r |
334 | The following table defines actions for BltOperations.\r | |
335 | \r | |
336 | EfiBltVideoFill - Write data from the BltBuffer pixel (SourceX, SourceY)\r | |
337 | directly to every pixel of the video display rectangle\r | |
338 | (DestinationX, DestinationY)\r | |
339 | (DestinationX + Width, DestinationY + Height).\r | |
340 | Only one pixel will be used from the BltBuffer. Delta is NOT used.\r | |
341 | EfiBltVideoToBltBuffer - Read data from the video display rectangle\r | |
342 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r | |
343 | the BltBuffer rectangle (DestinationX, DestinationY )\r | |
344 | (DestinationX + Width, DestinationY + Height). If DestinationX or\r | |
345 | DestinationY is not zero then Delta must be set to the length in bytes\r | |
346 | of a row in the BltBuffer.\r | |
347 | EfiBltBufferToVideo - Write data from the BltBuffer rectangle\r | |
348 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r | |
349 | video display rectangle (DestinationX, DestinationY)\r | |
350 | (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r | |
351 | not zero then Delta must be set to the length in bytes of a row in the\r | |
352 | BltBuffer.\r | |
353 | EfiBltVideoToVideo - Copy from the video display rectangle\r | |
354 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r | |
355 | to the video display rectangle (DestinationX, DestinationY)\r | |
356 | (DestinationX + Width, DestinationY + Height).\r | |
357 | The BltBuffer and Delta are not used in this mode.\r | |
358 | \r | |
359 | @param Private Protocol instance pointer.\r | |
360 | @param BltBuffer Buffer containing data to blit into video buffer.\r | |
361 | This buffer has a size of\r | |
362 | Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r | |
363 | @param BltOperation Operation to perform on BlitBuffer and video\r | |
364 | memory\r | |
365 | @param SourceX X coordinate of source for the BltBuffer.\r | |
366 | @param SourceY Y coordinate of source for the BltBuffer.\r | |
367 | @param DestinationX X coordinate of destination for the BltBuffer.\r | |
368 | @param DestinationY Y coordinate of destination for the BltBuffer.\r | |
369 | @param Width Width of rectangle in BltBuffer in pixels.\r | |
370 | @param Height Hight of rectangle in BltBuffer in pixels. \r | |
371 | @param Delta OPTIONAL.\r | |
372 | \r | |
373 | @retval EFI_SUCCESS The Blt operation completed.\r | |
374 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
375 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video\r | |
376 | buffer.\r | |
377 | \r | |
378 | **/\r | |
95276127 | 379 | EFI_STATUS\r |
380 | DevNullGraphicsOutputBlt (\r | |
381 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
382 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
383 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r | |
384 | IN UINTN SourceX,\r | |
385 | IN UINTN SourceY,\r | |
386 | IN UINTN DestinationX,\r | |
387 | IN UINTN DestinationY,\r | |
388 | IN UINTN Width,\r | |
389 | IN UINTN Height,\r | |
390 | IN UINTN Delta OPTIONAL\r | |
391 | )\r | |
392 | {\r | |
393 | UINTN SrcY;\r | |
394 | BOOLEAN Forward;\r | |
395 | UINTN Index;\r | |
396 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltPtr;\r | |
397 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *ScreenPtr;\r | |
398 | UINTN HorizontalResolution;\r | |
399 | UINTN VerticalResolution;\r | |
400 | \r | |
401 | if ((BltOperation < EfiBltVideoFill) || (BltOperation >= EfiGraphicsOutputBltOperationMax)) {\r | |
402 | return EFI_INVALID_PARAMETER;\r | |
403 | }\r | |
404 | \r | |
405 | if (Width == 0 || Height == 0) {\r | |
406 | return EFI_INVALID_PARAMETER;\r | |
407 | }\r | |
408 | \r | |
409 | if (Delta == 0) {\r | |
410 | Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r | |
411 | }\r | |
412 | \r | |
413 | HorizontalResolution = Private->GraphicsOutput.Mode->Info->HorizontalResolution;\r | |
414 | VerticalResolution = Private->GraphicsOutput.Mode->Info->VerticalResolution;\r | |
415 | \r | |
416 | //\r | |
417 | // We need to fill the Virtual Screen buffer with the blt data.\r | |
418 | //\r | |
419 | if (BltOperation == EfiBltVideoToBltBuffer) {\r | |
420 | //\r | |
421 | // Video to BltBuffer: Source is Video, destination is BltBuffer\r | |
422 | //\r | |
423 | if ((SourceY + Height) > VerticalResolution) {\r | |
424 | return EFI_INVALID_PARAMETER;\r | |
425 | }\r | |
426 | \r | |
427 | if ((SourceX + Width) > HorizontalResolution) {\r | |
428 | return EFI_INVALID_PARAMETER;\r | |
429 | }\r | |
430 | \r | |
431 | BltPtr = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + DestinationY * Delta + DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
432 | ScreenPtr = &Private->GraphicsOutputBlt[SourceY * HorizontalResolution + SourceX];\r | |
a4d608d1 | 433 | while (Height > 0) {\r |
95276127 | 434 | CopyMem (BltPtr, ScreenPtr, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r |
435 | BltPtr = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltPtr + Delta);\r | |
436 | ScreenPtr += HorizontalResolution;\r | |
437 | Height--;\r | |
438 | }\r | |
439 | } else {\r | |
440 | //\r | |
441 | // BltBuffer to Video: Source is BltBuffer, destination is Video\r | |
442 | //\r | |
443 | if (DestinationY + Height > VerticalResolution) {\r | |
444 | return EFI_INVALID_PARAMETER;\r | |
445 | }\r | |
446 | \r | |
447 | if (DestinationX + Width > HorizontalResolution) {\r | |
448 | return EFI_INVALID_PARAMETER;\r | |
449 | }\r | |
450 | \r | |
451 | if ((BltOperation == EfiBltVideoToVideo) && (DestinationY > SourceY)) {\r | |
452 | //\r | |
453 | // Copy backwards, only care the Video to Video Blt\r | |
454 | //\r | |
455 | ScreenPtr = &Private->GraphicsOutputBlt[(DestinationY + Height - 1) * HorizontalResolution + DestinationX];\r | |
456 | SrcY = SourceY + Height - 1;\r | |
457 | Forward = FALSE;\r | |
458 | } else {\r | |
459 | //\r | |
460 | // Copy forwards, for other cases\r | |
461 | //\r | |
462 | ScreenPtr = &Private->GraphicsOutputBlt[DestinationY * HorizontalResolution + DestinationX];\r | |
463 | SrcY = SourceY;\r | |
464 | Forward = TRUE;\r | |
465 | }\r | |
466 | \r | |
467 | while (Height != 0) {\r | |
468 | if (BltOperation == EfiBltVideoFill) {\r | |
469 | for (Index = 0; Index < Width; Index++) {\r | |
470 | ScreenPtr[Index] = *BltBuffer;\r | |
471 | }\r | |
472 | } else {\r | |
473 | if (BltOperation == EfiBltBufferToVideo) {\r | |
474 | BltPtr = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + SrcY * Delta + SourceX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
475 | } else {\r | |
476 | BltPtr = &Private->GraphicsOutputBlt[SrcY * HorizontalResolution + SourceX];\r | |
477 | }\r | |
478 | \r | |
479 | CopyMem (ScreenPtr, BltPtr, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
480 | }\r | |
481 | \r | |
482 | if (Forward) {\r | |
483 | ScreenPtr += HorizontalResolution;\r | |
484 | SrcY ++;\r | |
485 | } else {\r | |
486 | ScreenPtr -= HorizontalResolution;\r | |
487 | SrcY --;\r | |
488 | }\r | |
489 | Height--;\r | |
490 | }\r | |
491 | }\r | |
492 | \r | |
493 | return EFI_SUCCESS;\r | |
494 | }\r | |
495 | \r | |
a4d608d1 | 496 | \r |
497 | /**\r | |
498 | The following table defines actions for BltOperations.\r | |
499 | \r | |
500 | EfiBltVideoFill - Write data from the BltBuffer pixel (SourceX, SourceY)\r | |
501 | directly to every pixel of the video display rectangle\r | |
502 | (DestinationX, DestinationY)\r | |
503 | (DestinationX + Width, DestinationY + Height).\r | |
504 | Only one pixel will be used from the BltBuffer. Delta is NOT used.\r | |
505 | EfiBltVideoToBltBuffer - Read data from the video display rectangle\r | |
506 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r | |
507 | the BltBuffer rectangle (DestinationX, DestinationY )\r | |
508 | (DestinationX + Width, DestinationY + Height). If DestinationX or\r | |
509 | DestinationY is not zero then Delta must be set to the length in bytes\r | |
510 | of a row in the BltBuffer.\r | |
511 | EfiBltBufferToVideo - Write data from the BltBuffer rectangle\r | |
512 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r | |
513 | video display rectangle (DestinationX, DestinationY)\r | |
514 | (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r | |
515 | not zero then Delta must be set to the length in bytes of a row in the\r | |
516 | BltBuffer.\r | |
517 | EfiBltVideoToVideo - Copy from the video display rectangle\r | |
518 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r | |
519 | to the video display rectangle (DestinationX, DestinationY)\r | |
520 | (DestinationX + Width, DestinationY + Height).\r | |
521 | The BltBuffer and Delta are not used in this mode.\r | |
522 | \r | |
523 | @param This Protocol instance pointer.\r | |
524 | @param BltBuffer Buffer containing data to blit into video buffer.\r | |
525 | This buffer has a size of\r | |
526 | Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r | |
527 | @param BltOperation Operation to perform on BlitBuffer and video\r | |
528 | memory\r | |
529 | @param SourceX X coordinate of source for the BltBuffer.\r | |
530 | @param SourceY Y coordinate of source for the BltBuffer.\r | |
531 | @param DestinationX X coordinate of destination for the BltBuffer.\r | |
532 | @param DestinationY Y coordinate of destination for the BltBuffer.\r | |
533 | @param Width Width of rectangle in BltBuffer in pixels.\r | |
415df2a3 | 534 | @param Height Hight of rectangle in BltBuffer in pixels. \r |
33019a71 | 535 | @param Delta OPTIONAL.\r |
a4d608d1 | 536 | \r |
537 | @retval EFI_SUCCESS The Blt operation completed.\r | |
538 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
539 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video\r | |
540 | buffer.\r | |
541 | \r | |
542 | **/\r | |
95276127 | 543 | EFI_STATUS\r |
544 | EFIAPI\r | |
545 | ConSpliterGraphicsOutputBlt (\r | |
546 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
547 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
548 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r | |
549 | IN UINTN SourceX,\r | |
550 | IN UINTN SourceY,\r | |
551 | IN UINTN DestinationX,\r | |
552 | IN UINTN DestinationY,\r | |
553 | IN UINTN Width,\r | |
554 | IN UINTN Height,\r | |
555 | IN UINTN Delta OPTIONAL\r | |
556 | )\r | |
95276127 | 557 | {\r |
558 | EFI_STATUS Status;\r | |
559 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
560 | UINTN Index;\r | |
561 | EFI_STATUS ReturnStatus;\r | |
562 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
563 | EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r | |
564 | \r | |
565 | Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
566 | \r | |
567 | //\r | |
568 | // Sync up DevNull GOP device\r | |
569 | //\r | |
570 | ReturnStatus = DevNullGraphicsOutputBlt (\r | |
571 | Private,\r | |
572 | BltBuffer,\r | |
573 | BltOperation,\r | |
574 | SourceX,\r | |
575 | SourceY,\r | |
576 | DestinationX,\r | |
577 | DestinationY,\r | |
578 | Width,\r | |
579 | Height,\r | |
580 | Delta\r | |
581 | );\r | |
582 | \r | |
583 | if (Private->ConsoleOutputMode != EfiConsoleControlScreenGraphics) {\r | |
584 | return ReturnStatus;\r | |
585 | }\r | |
586 | //\r | |
587 | // return the worst status met\r | |
588 | //\r | |
589 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r | |
590 | GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r | |
591 | if (GraphicsOutput != NULL) {\r | |
592 | Status = GraphicsOutput->Blt (\r | |
593 | GraphicsOutput,\r | |
594 | BltBuffer,\r | |
595 | BltOperation,\r | |
596 | SourceX,\r | |
597 | SourceY,\r | |
598 | DestinationX,\r | |
599 | DestinationY,\r | |
600 | Width,\r | |
601 | Height,\r | |
602 | Delta\r | |
603 | );\r | |
604 | if (EFI_ERROR (Status)) {\r | |
605 | ReturnStatus = Status;\r | |
606 | } else if (BltOperation == EfiBltVideoToBltBuffer) {\r | |
607 | //\r | |
608 | // Only need to read the data into buffer one time\r | |
609 | //\r | |
610 | return EFI_SUCCESS;\r | |
611 | }\r | |
612 | }\r | |
613 | \r | |
614 | UgaDraw = Private->TextOutList[Index].UgaDraw;\r | |
8541adab | 615 | if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
95276127 | 616 | Status = UgaDraw->Blt (\r |
617 | UgaDraw,\r | |
618 | (EFI_UGA_PIXEL *) BltBuffer,\r | |
619 | (EFI_UGA_BLT_OPERATION) BltOperation,\r | |
620 | SourceX,\r | |
621 | SourceY,\r | |
622 | DestinationX,\r | |
623 | DestinationY,\r | |
624 | Width,\r | |
625 | Height,\r | |
626 | Delta\r | |
627 | );\r | |
628 | if (EFI_ERROR (Status)) {\r | |
629 | ReturnStatus = Status;\r | |
630 | } else if (BltOperation == EfiBltVideoToBltBuffer) {\r | |
631 | //\r | |
632 | // Only need to read the data into buffer one time\r | |
633 | //\r | |
634 | return EFI_SUCCESS;\r | |
635 | }\r | |
636 | }\r | |
637 | }\r | |
638 | \r | |
639 | return ReturnStatus;\r | |
640 | }\r | |
641 | \r | |
33019a71 | 642 | /**\r |
643 | Write data from the buffer to video display based on Graphics Output setting. \r | |
644 | \r | |
645 | @param Private Consplitter Text Out pointer.\r | |
646 | @param GraphicsOutput Graphics Output protocol pointer.\r | |
647 | @param UgaDraw UGA Draw protocol pointer.\r | |
648 | \r | |
649 | @retval EFI_UNSUPPORTED No graphics devcie available .\r | |
650 | @retval EFI_SUCCESS The Blt operation completed.\r | |
651 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
652 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.\r | |
653 | \r | |
654 | \r | |
655 | **/\r | |
95276127 | 656 | EFI_STATUS\r |
657 | DevNullGopSync (\r | |
658 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
659 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,\r | |
660 | IN EFI_UGA_DRAW_PROTOCOL *UgaDraw\r | |
661 | )\r | |
662 | {\r | |
663 | if (GraphicsOutput != NULL) {\r | |
664 | return GraphicsOutput->Blt (\r | |
665 | GraphicsOutput,\r | |
666 | Private->GraphicsOutputBlt,\r | |
667 | EfiBltBufferToVideo,\r | |
668 | 0,\r | |
669 | 0,\r | |
670 | 0,\r | |
671 | 0,\r | |
672 | Private->GraphicsOutput.Mode->Info->HorizontalResolution,\r | |
673 | Private->GraphicsOutput.Mode->Info->VerticalResolution,\r | |
674 | 0\r | |
675 | );\r | |
8541adab | 676 | } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
95276127 | 677 | return UgaDraw->Blt (\r |
678 | UgaDraw,\r | |
679 | (EFI_UGA_PIXEL *) Private->GraphicsOutputBlt,\r | |
680 | EfiUgaBltBufferToVideo,\r | |
681 | 0,\r | |
682 | 0,\r | |
683 | 0,\r | |
684 | 0,\r | |
685 | Private->GraphicsOutput.Mode->Info->HorizontalResolution,\r | |
686 | Private->GraphicsOutput.Mode->Info->VerticalResolution,\r | |
687 | 0\r | |
688 | );\r | |
8541adab | 689 | } else {\r |
690 | return EFI_UNSUPPORTED;\r | |
95276127 | 691 | }\r |
692 | }\r | |
693 | \r | |
a4d608d1 | 694 | \r |
695 | /**\r | |
696 | Return the current video mode information.\r | |
697 | \r | |
698 | @param This Protocol instance pointer.\r | |
699 | @param HorizontalResolution Current video horizontal resolution in pixels\r | |
700 | @param VerticalResolution Current video vertical resolution in pixels\r | |
701 | @param ColorDepth Current video color depth in bits per pixel\r | |
702 | @param RefreshRate Current video refresh rate in Hz.\r | |
703 | \r | |
704 | @retval EFI_SUCCESS Mode information returned.\r | |
705 | @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r | |
706 | @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r | |
707 | \r | |
708 | **/\r | |
d0c64728 | 709 | EFI_STATUS\r |
710 | EFIAPI\r | |
711 | ConSpliterUgaDrawGetMode (\r | |
712 | IN EFI_UGA_DRAW_PROTOCOL *This,\r | |
713 | OUT UINT32 *HorizontalResolution,\r | |
714 | OUT UINT32 *VerticalResolution,\r | |
715 | OUT UINT32 *ColorDepth,\r | |
716 | OUT UINT32 *RefreshRate\r | |
717 | )\r | |
d0c64728 | 718 | {\r |
719 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
720 | \r | |
a4d608d1 | 721 | if ((HorizontalResolution == NULL) ||\r |
722 | (VerticalResolution == NULL) ||\r | |
723 | (RefreshRate == NULL) ||\r | |
724 | (ColorDepth == NULL)) {\r | |
d0c64728 | 725 | return EFI_INVALID_PARAMETER;\r |
726 | }\r | |
727 | //\r | |
728 | // retrieve private data\r | |
729 | //\r | |
730 | Private = UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
731 | \r | |
732 | *HorizontalResolution = Private->UgaHorizontalResolution;\r | |
733 | *VerticalResolution = Private->UgaVerticalResolution;\r | |
734 | *ColorDepth = Private->UgaColorDepth;\r | |
735 | *RefreshRate = Private->UgaRefreshRate;\r | |
736 | \r | |
737 | return EFI_SUCCESS;\r | |
738 | }\r | |
739 | \r | |
a4d608d1 | 740 | \r |
741 | /**\r | |
742 | Return the current video mode information.\r | |
743 | \r | |
744 | @param This Protocol instance pointer.\r | |
745 | @param HorizontalResolution Current video horizontal resolution in pixels\r | |
746 | @param VerticalResolution Current video vertical resolution in pixels\r | |
747 | @param ColorDepth Current video color depth in bits per pixel\r | |
748 | @param RefreshRate Current video refresh rate in Hz.\r | |
749 | \r | |
750 | @retval EFI_SUCCESS Mode information returned.\r | |
751 | @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r | |
752 | @retval EFI_OUT_OF_RESOURCES Out of resources.\r | |
753 | \r | |
754 | **/\r | |
d0c64728 | 755 | EFI_STATUS\r |
756 | EFIAPI\r | |
757 | ConSpliterUgaDrawSetMode (\r | |
758 | IN EFI_UGA_DRAW_PROTOCOL *This,\r | |
759 | IN UINT32 HorizontalResolution,\r | |
760 | IN UINT32 VerticalResolution,\r | |
761 | IN UINT32 ColorDepth,\r | |
762 | IN UINT32 RefreshRate\r | |
763 | )\r | |
d0c64728 | 764 | {\r |
765 | EFI_STATUS Status;\r | |
766 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
767 | UINTN Index;\r | |
768 | EFI_STATUS ReturnStatus;\r | |
769 | UINTN Size;\r | |
770 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
771 | UINTN NumberIndex;\r | |
772 | UINTN SizeOfInfo;\r | |
773 | EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r | |
774 | EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r | |
775 | \r | |
776 | Private = UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
777 | \r | |
778 | //\r | |
779 | // UgaDevNullSetMode ()\r | |
780 | //\r | |
781 | ReturnStatus = EFI_SUCCESS;\r | |
782 | \r | |
783 | //\r | |
784 | // Free the old version\r | |
785 | //\r | |
786 | if (Private->UgaBlt != NULL) {\r | |
787 | FreePool (Private->UgaBlt);\r | |
788 | }\r | |
789 | \r | |
790 | //\r | |
791 | // Allocate the virtual Blt buffer\r | |
792 | //\r | |
793 | Size = HorizontalResolution * VerticalResolution * sizeof (EFI_UGA_PIXEL);\r | |
794 | Private->UgaBlt = AllocateZeroPool (Size);\r | |
795 | if (Private->UgaBlt == NULL) {\r | |
796 | return EFI_OUT_OF_RESOURCES;\r | |
797 | }\r | |
798 | \r | |
799 | //\r | |
800 | // Update the Mode data\r | |
801 | //\r | |
802 | Private->UgaHorizontalResolution = HorizontalResolution;\r | |
803 | Private->UgaVerticalResolution = VerticalResolution;\r | |
804 | Private->UgaColorDepth = ColorDepth;\r | |
805 | Private->UgaRefreshRate = RefreshRate;\r | |
806 | \r | |
807 | if (Private->ConsoleOutputMode != EfiConsoleControlScreenGraphics) {\r | |
808 | return ReturnStatus;\r | |
809 | }\r | |
810 | //\r | |
811 | // return the worst status met\r | |
812 | //\r | |
813 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r | |
8541adab | 814 | \r |
815 | ReturnStatus = EFI_UNSUPPORTED;\r | |
816 | \r | |
817 | if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r | |
818 | UgaDraw = Private->TextOutList[Index].UgaDraw;\r | |
819 | if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r | |
820 | Status = UgaDraw->SetMode (\r | |
821 | UgaDraw,\r | |
822 | HorizontalResolution,\r | |
823 | VerticalResolution,\r | |
824 | ColorDepth,\r | |
825 | RefreshRate\r | |
826 | );\r | |
827 | if (EFI_ERROR (Status)) {\r | |
828 | ReturnStatus = Status;\r | |
829 | }\r | |
d0c64728 | 830 | }\r |
831 | }\r | |
832 | \r | |
833 | if (EFI_ERROR (ReturnStatus)) {\r | |
834 | GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r | |
835 | if (GraphicsOutput != NULL) {\r | |
836 | //\r | |
837 | // Find corresponding ModeNumber of this GraphicsOutput instance\r | |
838 | //\r | |
839 | for (NumberIndex = 0; NumberIndex < GraphicsOutput->Mode->MaxMode; NumberIndex ++) {\r | |
840 | Status = GraphicsOutput->QueryMode (GraphicsOutput, (UINT32) NumberIndex, &SizeOfInfo, &Info);\r | |
841 | if (EFI_ERROR (Status)) {\r | |
842 | return Status;\r | |
843 | }\r | |
844 | if ((Info->HorizontalResolution == HorizontalResolution) && (Info->VerticalResolution == VerticalResolution)) {\r | |
845 | FreePool (Info);\r | |
846 | break;\r | |
847 | }\r | |
848 | FreePool (Info);\r | |
849 | }\r | |
850 | \r | |
851 | Status = GraphicsOutput->SetMode (GraphicsOutput, (UINT32) NumberIndex);\r | |
852 | if (EFI_ERROR (Status)) {\r | |
853 | ReturnStatus = Status;\r | |
854 | }\r | |
855 | }\r | |
856 | }\r | |
857 | }\r | |
858 | \r | |
859 | return ReturnStatus;\r | |
860 | }\r | |
861 | \r | |
33019a71 | 862 | /**\r |
863 | The following table defines actions for BltOperations.\r | |
864 | \r | |
865 | EfiBltVideoFill - Write data from the BltBuffer pixel (SourceX, SourceY)\r | |
866 | directly to every pixel of the video display rectangle\r | |
867 | (DestinationX, DestinationY)\r | |
868 | (DestinationX + Width, DestinationY + Height).\r | |
869 | Only one pixel will be used from the BltBuffer. Delta is NOT used.\r | |
870 | EfiBltVideoToBltBuffer - Read data from the video display rectangle\r | |
871 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r | |
872 | the BltBuffer rectangle (DestinationX, DestinationY )\r | |
873 | (DestinationX + Width, DestinationY + Height). If DestinationX or\r | |
874 | DestinationY is not zero then Delta must be set to the length in bytes\r | |
875 | of a row in the BltBuffer.\r | |
876 | EfiBltBufferToVideo - Write data from the BltBuffer rectangle\r | |
877 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r | |
878 | video display rectangle (DestinationX, DestinationY)\r | |
879 | (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r | |
880 | not zero then Delta must be set to the length in bytes of a row in the\r | |
881 | BltBuffer.\r | |
882 | EfiBltVideoToVideo - Copy from the video display rectangle\r | |
883 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r | |
884 | to the video display rectangle (DestinationX, DestinationY)\r | |
885 | (DestinationX + Width, DestinationY + Height).\r | |
886 | The BltBuffer and Delta are not used in this mode.\r | |
887 | \r | |
888 | @param Private Protocol instance pointer.\r | |
889 | @param BltBuffer Buffer containing data to blit into video buffer.\r | |
890 | This buffer has a size of\r | |
891 | Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r | |
892 | @param BltOperation Operation to perform on BlitBuffer and video\r | |
893 | memory\r | |
894 | @param SourceX X coordinate of source for the BltBuffer.\r | |
895 | @param SourceY Y coordinate of source for the BltBuffer.\r | |
896 | @param DestinationX X coordinate of destination for the BltBuffer.\r | |
897 | @param DestinationY Y coordinate of destination for the BltBuffer.\r | |
898 | @param Width Width of rectangle in BltBuffer in pixels.\r | |
899 | @param Height Hight of rectangle in BltBuffer in pixels. \r | |
900 | @param Delta OPTIONAL.\r | |
901 | \r | |
902 | @retval EFI_SUCCESS The Blt operation completed.\r | |
903 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
904 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video\r | |
905 | buffer.\r | |
906 | \r | |
907 | **/\r | |
d0c64728 | 908 | EFI_STATUS\r |
909 | DevNullUgaBlt (\r | |
910 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
911 | IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL\r | |
912 | IN EFI_UGA_BLT_OPERATION BltOperation,\r | |
913 | IN UINTN SourceX,\r | |
914 | IN UINTN SourceY,\r | |
915 | IN UINTN DestinationX,\r | |
916 | IN UINTN DestinationY,\r | |
917 | IN UINTN Width,\r | |
918 | IN UINTN Height,\r | |
919 | IN UINTN Delta OPTIONAL\r | |
920 | )\r | |
921 | {\r | |
922 | UINTN SrcY;\r | |
923 | BOOLEAN Forward;\r | |
924 | UINTN Index;\r | |
925 | EFI_UGA_PIXEL *BltPtr;\r | |
926 | EFI_UGA_PIXEL *ScreenPtr;\r | |
927 | UINT32 HorizontalResolution;\r | |
928 | UINT32 VerticalResolution;\r | |
929 | \r | |
930 | if ((BltOperation < 0) || (BltOperation >= EfiUgaBltMax)) {\r | |
931 | return EFI_INVALID_PARAMETER;\r | |
932 | }\r | |
933 | \r | |
934 | if (Width == 0 || Height == 0) {\r | |
935 | return EFI_INVALID_PARAMETER;\r | |
936 | }\r | |
937 | \r | |
938 | if (Delta == 0) {\r | |
939 | Delta = Width * sizeof (EFI_UGA_PIXEL);\r | |
940 | }\r | |
941 | \r | |
942 | HorizontalResolution = Private->UgaHorizontalResolution;\r | |
943 | VerticalResolution = Private->UgaVerticalResolution;\r | |
944 | \r | |
945 | //\r | |
946 | // We need to fill the Virtual Screen buffer with the blt data.\r | |
947 | //\r | |
948 | if (BltOperation == EfiUgaVideoToBltBuffer) {\r | |
949 | //\r | |
950 | // Video to BltBuffer: Source is Video, destination is BltBuffer\r | |
951 | //\r | |
952 | if ((SourceY + Height) > VerticalResolution) {\r | |
953 | return EFI_INVALID_PARAMETER;\r | |
954 | }\r | |
955 | \r | |
956 | if ((SourceX + Width) > HorizontalResolution) {\r | |
957 | return EFI_INVALID_PARAMETER;\r | |
958 | }\r | |
959 | \r | |
960 | BltPtr = (EFI_UGA_PIXEL *) ((UINT8 *) BltBuffer + DestinationY * Delta + DestinationX * sizeof (EFI_UGA_PIXEL));\r | |
961 | ScreenPtr = &Private->UgaBlt[SourceY * HorizontalResolution + SourceX];\r | |
a4d608d1 | 962 | while (Height > 0) {\r |
d0c64728 | 963 | CopyMem (BltPtr, ScreenPtr, Width * sizeof (EFI_UGA_PIXEL));\r |
964 | BltPtr = (EFI_UGA_PIXEL *) ((UINT8 *) BltPtr + Delta);\r | |
965 | ScreenPtr += HorizontalResolution;\r | |
966 | Height--;\r | |
967 | }\r | |
968 | } else {\r | |
969 | //\r | |
970 | // BltBuffer to Video: Source is BltBuffer, destination is Video\r | |
971 | //\r | |
972 | if (DestinationY + Height > VerticalResolution) {\r | |
973 | return EFI_INVALID_PARAMETER;\r | |
974 | }\r | |
975 | \r | |
976 | if (DestinationX + Width > HorizontalResolution) {\r | |
977 | return EFI_INVALID_PARAMETER;\r | |
978 | }\r | |
979 | \r | |
980 | if ((BltOperation == EfiUgaVideoToVideo) && (DestinationY > SourceY)) {\r | |
981 | //\r | |
982 | // Copy backwards, only care the Video to Video Blt\r | |
983 | //\r | |
984 | ScreenPtr = &Private->UgaBlt[(DestinationY + Height - 1) * HorizontalResolution + DestinationX];\r | |
985 | SrcY = SourceY + Height - 1;\r | |
986 | Forward = FALSE;\r | |
987 | } else {\r | |
988 | //\r | |
989 | // Copy forwards, for other cases\r | |
990 | //\r | |
991 | ScreenPtr = &Private->UgaBlt[DestinationY * HorizontalResolution + DestinationX];\r | |
992 | SrcY = SourceY;\r | |
993 | Forward = TRUE;\r | |
994 | }\r | |
995 | \r | |
996 | while (Height != 0) {\r | |
997 | if (BltOperation == EfiUgaVideoFill) {\r | |
998 | for (Index = 0; Index < Width; Index++) {\r | |
999 | ScreenPtr[Index] = *BltBuffer;\r | |
1000 | }\r | |
1001 | } else {\r | |
1002 | if (BltOperation == EfiUgaBltBufferToVideo) {\r | |
1003 | BltPtr = (EFI_UGA_PIXEL *) ((UINT8 *) BltBuffer + SrcY * Delta + SourceX * sizeof (EFI_UGA_PIXEL));\r | |
1004 | } else {\r | |
1005 | BltPtr = &Private->UgaBlt[SrcY * HorizontalResolution + SourceX];\r | |
1006 | }\r | |
1007 | \r | |
1008 | CopyMem (ScreenPtr, BltPtr, Width * sizeof (EFI_UGA_PIXEL));\r | |
1009 | }\r | |
1010 | \r | |
1011 | if (Forward) {\r | |
1012 | ScreenPtr += HorizontalResolution;\r | |
1013 | SrcY ++;\r | |
1014 | } else {\r | |
1015 | ScreenPtr -= HorizontalResolution;\r | |
1016 | SrcY --;\r | |
1017 | }\r | |
1018 | Height--;\r | |
1019 | }\r | |
1020 | }\r | |
1021 | \r | |
1022 | return EFI_SUCCESS;\r | |
1023 | }\r | |
1024 | \r | |
a4d608d1 | 1025 | \r |
1026 | /**\r | |
1027 | The following table defines actions for BltOperations.\r | |
1028 | \r | |
1029 | EfiUgaVideoFill - Write data from the BltBuffer pixel (SourceX, SourceY)\r | |
1030 | directly to every pixel of the video display rectangle\r | |
1031 | (DestinationX, DestinationY)\r | |
1032 | (DestinationX + Width, DestinationY + Height).\r | |
1033 | Only one pixel will be used from the BltBuffer. Delta is NOT used.\r | |
1034 | EfiUgaVideoToBltBuffer - Read data from the video display rectangle\r | |
1035 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r | |
1036 | the BltBuffer rectangle (DestinationX, DestinationY )\r | |
1037 | (DestinationX + Width, DestinationY + Height). If DestinationX or\r | |
1038 | DestinationY is not zero then Delta must be set to the length in bytes\r | |
1039 | of a row in the BltBuffer.\r | |
1040 | EfiUgaBltBufferToVideo - Write data from the BltBuffer rectangle\r | |
1041 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r | |
1042 | video display rectangle (DestinationX, DestinationY)\r | |
1043 | (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r | |
1044 | not zero then Delta must be set to the length in bytes of a row in the\r | |
1045 | BltBuffer.\r | |
1046 | EfiUgaVideoToVideo - Copy from the video display rectangle\r | |
1047 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r | |
1048 | to the video display rectangle (DestinationX, DestinationY)\r | |
1049 | (DestinationX + Width, DestinationY + Height).\r | |
1050 | The BltBuffer and Delta are not used in this mode.\r | |
1051 | \r | |
1052 | @param This Protocol instance pointer.\r | |
1053 | @param BltBuffer Buffer containing data to blit into video buffer.\r | |
1054 | This buffer has a size of\r | |
1055 | Width*Height*sizeof(EFI_UGA_PIXEL)\r | |
1056 | @param BltOperation Operation to perform on BlitBuffer and video\r | |
1057 | memory\r | |
1058 | @param SourceX X coordinate of source for the BltBuffer.\r | |
1059 | @param SourceY Y coordinate of source for the BltBuffer.\r | |
1060 | @param DestinationX X coordinate of destination for the BltBuffer.\r | |
1061 | @param DestinationY Y coordinate of destination for the BltBuffer.\r | |
1062 | @param Width Width of rectangle in BltBuffer in pixels.\r | |
415df2a3 | 1063 | @param Height Hight of rectangle in BltBuffer in pixels.\r |
33019a71 | 1064 | @param Delta OPTIONAL.\r |
a4d608d1 | 1065 | \r |
1066 | @retval EFI_SUCCESS The Blt operation completed.\r | |
1067 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
1068 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video\r | |
1069 | buffer.\r | |
1070 | \r | |
1071 | **/\r | |
d0c64728 | 1072 | EFI_STATUS\r |
1073 | EFIAPI\r | |
1074 | ConSpliterUgaDrawBlt (\r | |
1075 | IN EFI_UGA_DRAW_PROTOCOL *This,\r | |
1076 | IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL\r | |
1077 | IN EFI_UGA_BLT_OPERATION BltOperation,\r | |
1078 | IN UINTN SourceX,\r | |
1079 | IN UINTN SourceY,\r | |
1080 | IN UINTN DestinationX,\r | |
1081 | IN UINTN DestinationY,\r | |
1082 | IN UINTN Width,\r | |
1083 | IN UINTN Height,\r | |
1084 | IN UINTN Delta OPTIONAL\r | |
1085 | )\r | |
d0c64728 | 1086 | {\r |
1087 | EFI_STATUS Status;\r | |
1088 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
1089 | UINTN Index;\r | |
1090 | EFI_STATUS ReturnStatus;\r | |
1091 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
1092 | \r | |
1093 | Private = UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
1094 | \r | |
1095 | //\r | |
1096 | // Sync up DevNull UGA device\r | |
1097 | //\r | |
1098 | ReturnStatus = DevNullUgaBlt (\r | |
1099 | Private,\r | |
1100 | BltBuffer,\r | |
1101 | BltOperation,\r | |
1102 | SourceX,\r | |
1103 | SourceY,\r | |
1104 | DestinationX,\r | |
1105 | DestinationY,\r | |
1106 | Width,\r | |
1107 | Height,\r | |
1108 | Delta\r | |
1109 | );\r | |
1110 | if (Private->ConsoleOutputMode != EfiConsoleControlScreenGraphics) {\r | |
1111 | return ReturnStatus;\r | |
1112 | }\r | |
1113 | //\r | |
1114 | // return the worst status met\r | |
1115 | //\r | |
1116 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r | |
1117 | GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r | |
1118 | if (GraphicsOutput != NULL) {\r | |
1119 | Status = GraphicsOutput->Blt (\r | |
1120 | GraphicsOutput,\r | |
1121 | (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) BltBuffer,\r | |
1122 | (EFI_GRAPHICS_OUTPUT_BLT_OPERATION) BltOperation,\r | |
1123 | SourceX,\r | |
1124 | SourceY,\r | |
1125 | DestinationX,\r | |
1126 | DestinationY,\r | |
1127 | Width,\r | |
1128 | Height,\r | |
1129 | Delta\r | |
1130 | );\r | |
1131 | if (EFI_ERROR (Status)) {\r | |
1132 | ReturnStatus = Status;\r | |
1133 | } else if (BltOperation == EfiBltVideoToBltBuffer) {\r | |
1134 | //\r | |
1135 | // Only need to read the data into buffer one time\r | |
1136 | //\r | |
1137 | return EFI_SUCCESS;\r | |
1138 | }\r | |
1139 | }\r | |
1140 | \r | |
8541adab | 1141 | if (Private->TextOutList[Index].UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
d0c64728 | 1142 | Status = Private->TextOutList[Index].UgaDraw->Blt (\r |
1143 | Private->TextOutList[Index].UgaDraw,\r | |
1144 | BltBuffer,\r | |
1145 | BltOperation,\r | |
1146 | SourceX,\r | |
1147 | SourceY,\r | |
1148 | DestinationX,\r | |
1149 | DestinationY,\r | |
1150 | Width,\r | |
1151 | Height,\r | |
1152 | Delta\r | |
1153 | );\r | |
1154 | if (EFI_ERROR (Status)) {\r | |
1155 | ReturnStatus = Status;\r | |
1156 | } else if (BltOperation == EfiUgaVideoToBltBuffer) {\r | |
1157 | //\r | |
1158 | // Only need to read the data into buffer one time\r | |
1159 | //\r | |
1160 | return EFI_SUCCESS;\r | |
1161 | }\r | |
1162 | }\r | |
1163 | }\r | |
1164 | \r | |
1165 | return ReturnStatus;\r | |
1166 | }\r | |
1167 | \r | |
33019a71 | 1168 | /**\r |
1169 | Write data from the buffer to video display based on UGA Draw setting. \r | |
1170 | \r | |
1171 | @param Private Consplitter Text Out pointer.\r | |
1172 | @param GraphicsOutput Graphics Output protocol pointer.\r | |
1173 | @param UgaDraw UGA Draw protocol pointer.\r | |
1174 | \r | |
1175 | @retval EFI_UNSUPPORTED No graphics devcie available .\r | |
1176 | @retval EFI_SUCCESS The Blt operation completed.\r | |
1177 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
1178 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.\r | |
1179 | \r | |
1180 | **/\r | |
d0c64728 | 1181 | EFI_STATUS\r |
1182 | DevNullUgaSync (\r | |
1183 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1184 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,\r | |
1185 | IN EFI_UGA_DRAW_PROTOCOL *UgaDraw\r | |
1186 | )\r | |
1187 | {\r | |
8541adab | 1188 | if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
d0c64728 | 1189 | return UgaDraw->Blt (\r |
1190 | UgaDraw,\r | |
1191 | Private->UgaBlt,\r | |
1192 | EfiUgaBltBufferToVideo,\r | |
1193 | 0,\r | |
1194 | 0,\r | |
1195 | 0,\r | |
1196 | 0,\r | |
1197 | Private->UgaHorizontalResolution,\r | |
1198 | Private->UgaVerticalResolution,\r | |
1199 | Private->UgaHorizontalResolution * sizeof (EFI_UGA_PIXEL)\r | |
1200 | );\r | |
8541adab | 1201 | } else if (GraphicsOutput != NULL) {\r |
d0c64728 | 1202 | return GraphicsOutput->Blt (\r |
1203 | GraphicsOutput,\r | |
1204 | (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) Private->UgaBlt,\r | |
1205 | EfiBltBufferToVideo,\r | |
1206 | 0,\r | |
1207 | 0,\r | |
1208 | 0,\r | |
1209 | 0,\r | |
1210 | Private->UgaHorizontalResolution,\r | |
1211 | Private->UgaVerticalResolution,\r | |
1212 | 0\r | |
1213 | );\r | |
8541adab | 1214 | } else {\r |
1215 | return EFI_UNSUPPORTED;\r | |
d0c64728 | 1216 | }\r |
1217 | }\r | |
95276127 | 1218 | \r |
a4d608d1 | 1219 | \r |
1220 | /**\r | |
1221 | Write a Unicode string to the output device.\r | |
1222 | \r | |
1223 | @param Private Pointer to the console output splitter's private\r | |
1224 | data. It indicates the calling context.\r | |
1225 | @param WString The NULL-terminated Unicode string to be\r | |
1226 | displayed on the output device(s). All output\r | |
1227 | devices must also support the Unicode drawing\r | |
1228 | defined in this file.\r | |
1229 | \r | |
1230 | @retval EFI_SUCCESS The string was output to the device.\r | |
1231 | @retval EFI_DEVICE_ERROR The device reported an error while attempting to\r | |
1232 | output the text.\r | |
1233 | @retval EFI_UNSUPPORTED The output device's mode is not currently in a\r | |
1234 | defined text mode.\r | |
1235 | @retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the\r | |
1236 | characters in the Unicode string could not be\r | |
1237 | rendered and were skipped.\r | |
1238 | \r | |
1239 | **/\r | |
95276127 | 1240 | EFI_STATUS\r |
1241 | DevNullTextOutOutputString (\r | |
1242 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1243 | IN CHAR16 *WString\r | |
1244 | )\r | |
95276127 | 1245 | {\r |
1246 | UINTN SizeScreen;\r | |
1247 | UINTN SizeAttribute;\r | |
1248 | UINTN Index;\r | |
1249 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
1250 | CHAR16 *Screen;\r | |
1251 | CHAR16 *NullScreen;\r | |
1252 | CHAR16 InsertChar;\r | |
1253 | CHAR16 TempChar;\r | |
1254 | CHAR16 *PStr;\r | |
1255 | INT32 *Attribute;\r | |
1256 | INT32 *NullAttributes;\r | |
1257 | INT32 CurrentWidth;\r | |
1258 | UINTN LastRow;\r | |
1259 | UINTN MaxColumn;\r | |
1260 | \r | |
1261 | Mode = &Private->TextOutMode;\r | |
1262 | NullScreen = Private->DevNullScreen;\r | |
1263 | NullAttributes = Private->DevNullAttributes;\r | |
1264 | LastRow = Private->DevNullRows - 1;\r | |
1265 | MaxColumn = Private->DevNullColumns;\r | |
1266 | \r | |
1267 | if (Mode->Attribute & EFI_WIDE_ATTRIBUTE) {\r | |
1268 | CurrentWidth = 2;\r | |
1269 | } else {\r | |
1270 | CurrentWidth = 1;\r | |
1271 | }\r | |
1272 | \r | |
a4d608d1 | 1273 | while (*WString != L'\0') {\r |
95276127 | 1274 | \r |
1275 | if (*WString == CHAR_BACKSPACE) {\r | |
1276 | //\r | |
1277 | // If the cursor is at the left edge of the display, then move the cursor\r | |
1278 | // one row up.\r | |
1279 | //\r | |
1280 | if (Mode->CursorColumn == 0 && Mode->CursorRow > 0) {\r | |
1281 | Mode->CursorRow--;\r | |
1282 | Mode->CursorColumn = (INT32) MaxColumn;\r | |
1283 | }\r | |
1284 | \r | |
1285 | //\r | |
1286 | // If the cursor is not at the left edge of the display,\r | |
1287 | // then move the cursor left one column.\r | |
1288 | //\r | |
1289 | if (Mode->CursorColumn > 0) {\r | |
1290 | Mode->CursorColumn--;\r | |
1291 | if (Mode->CursorColumn > 0 &&\r | |
1292 | NullAttributes[Mode->CursorRow * MaxColumn + Mode->CursorColumn - 1] & EFI_WIDE_ATTRIBUTE\r | |
1293 | ) {\r | |
1294 | Mode->CursorColumn--;\r | |
1295 | \r | |
1296 | //\r | |
1297 | // Insert an extra backspace\r | |
1298 | //\r | |
1299 | InsertChar = CHAR_BACKSPACE;\r | |
1300 | PStr = WString + 1;\r | |
a4d608d1 | 1301 | while (*PStr != L'\0') {\r |
95276127 | 1302 | TempChar = *PStr;\r |
1303 | *PStr = InsertChar;\r | |
1304 | InsertChar = TempChar;\r | |
1305 | PStr++;\r | |
1306 | }\r | |
1307 | \r | |
1308 | *PStr = InsertChar;\r | |
1309 | *(++PStr) = 0;\r | |
1310 | \r | |
1311 | WString++;\r | |
1312 | }\r | |
1313 | }\r | |
1314 | \r | |
1315 | WString++;\r | |
1316 | \r | |
1317 | } else if (*WString == CHAR_LINEFEED) {\r | |
1318 | //\r | |
1319 | // If the cursor is at the bottom of the display,\r | |
1320 | // then scroll the display one row, and do not update\r | |
1321 | // the cursor position. Otherwise, move the cursor down one row.\r | |
1322 | //\r | |
1323 | if (Mode->CursorRow == (INT32) (LastRow)) {\r | |
1324 | //\r | |
1325 | // Scroll Screen Up One Row\r | |
1326 | //\r | |
1327 | SizeAttribute = LastRow * MaxColumn;\r | |
1328 | CopyMem (\r | |
1329 | NullAttributes,\r | |
1330 | NullAttributes + MaxColumn,\r | |
1331 | SizeAttribute * sizeof (INT32)\r | |
1332 | );\r | |
1333 | \r | |
1334 | //\r | |
1335 | // Each row has an ending CHAR_NULL. So one more character each line\r | |
1336 | // for DevNullScreen than DevNullAttributes\r | |
1337 | //\r | |
1338 | SizeScreen = SizeAttribute + LastRow;\r | |
1339 | CopyMem (\r | |
1340 | NullScreen,\r | |
1341 | NullScreen + (MaxColumn + 1),\r | |
1342 | SizeScreen * sizeof (CHAR16)\r | |
1343 | );\r | |
1344 | \r | |
1345 | //\r | |
1346 | // Print Blank Line at last line\r | |
1347 | //\r | |
1348 | Screen = NullScreen + SizeScreen;\r | |
1349 | Attribute = NullAttributes + SizeAttribute;\r | |
1350 | \r | |
1351 | for (Index = 0; Index < MaxColumn; Index++, Screen++, Attribute++) {\r | |
1352 | *Screen = ' ';\r | |
1353 | *Attribute = Mode->Attribute;\r | |
1354 | }\r | |
1355 | } else {\r | |
1356 | Mode->CursorRow++;\r | |
1357 | }\r | |
1358 | \r | |
1359 | WString++;\r | |
1360 | } else if (*WString == CHAR_CARRIAGE_RETURN) {\r | |
1361 | //\r | |
1362 | // Move the cursor to the beginning of the current row.\r | |
1363 | //\r | |
1364 | Mode->CursorColumn = 0;\r | |
1365 | WString++;\r | |
1366 | } else {\r | |
1367 | //\r | |
1368 | // Print the character at the current cursor position and\r | |
1369 | // move the cursor right one column. If this moves the cursor\r | |
1370 | // past the right edge of the display, then the line should wrap to\r | |
1371 | // the beginning of the next line. This is equivalent to inserting\r | |
1372 | // a CR and an LF. Note that if the cursor is at the bottom of the\r | |
1373 | // display, and the line wraps, then the display will be scrolled\r | |
1374 | // one line.\r | |
1375 | //\r | |
1376 | Index = Mode->CursorRow * MaxColumn + Mode->CursorColumn;\r | |
1377 | \r | |
1378 | while (Mode->CursorColumn < (INT32) MaxColumn) {\r | |
1379 | if (*WString == CHAR_NULL) {\r | |
1380 | break;\r | |
1381 | }\r | |
1382 | \r | |
1383 | if (*WString == CHAR_BACKSPACE) {\r | |
1384 | break;\r | |
1385 | }\r | |
1386 | \r | |
1387 | if (*WString == CHAR_LINEFEED) {\r | |
1388 | break;\r | |
1389 | }\r | |
1390 | \r | |
1391 | if (*WString == CHAR_CARRIAGE_RETURN) {\r | |
1392 | break;\r | |
1393 | }\r | |
1394 | \r | |
97a079ed A |
1395 | if (*WString == UNICODE_WIDE_CHAR || *WString == UNICODE_NARROW_CHAR) {\r |
1396 | CurrentWidth = (*WString == UNICODE_WIDE_CHAR) ? 2 : 1;\r | |
95276127 | 1397 | WString++;\r |
1398 | continue;\r | |
1399 | }\r | |
1400 | \r | |
1401 | if (Mode->CursorColumn + CurrentWidth > (INT32) MaxColumn) {\r | |
1402 | //\r | |
1403 | // If a wide char is at the rightmost column, then move the char\r | |
1404 | // to the beginning of the next row\r | |
1405 | //\r | |
1406 | NullScreen[Index + Mode->CursorRow] = L' ';\r | |
1407 | NullAttributes[Index] = Mode->Attribute | (UINT32) EFI_WIDE_ATTRIBUTE;\r | |
1408 | Index++;\r | |
1409 | Mode->CursorColumn++;\r | |
1410 | } else {\r | |
1411 | NullScreen[Index + Mode->CursorRow] = *WString;\r | |
1412 | NullAttributes[Index] = Mode->Attribute;\r | |
1413 | if (CurrentWidth == 1) {\r | |
1414 | NullAttributes[Index] &= (~ (UINT32) EFI_WIDE_ATTRIBUTE);\r | |
1415 | } else {\r | |
1416 | NullAttributes[Index] |= (UINT32) EFI_WIDE_ATTRIBUTE;\r | |
1417 | NullAttributes[Index + 1] &= (~ (UINT32) EFI_WIDE_ATTRIBUTE);\r | |
1418 | }\r | |
1419 | \r | |
1420 | Index += CurrentWidth;\r | |
1421 | WString++;\r | |
1422 | Mode->CursorColumn += CurrentWidth;\r | |
1423 | }\r | |
1424 | }\r | |
1425 | //\r | |
1426 | // At the end of line, output carriage return and line feed\r | |
1427 | //\r | |
1428 | if (Mode->CursorColumn >= (INT32) MaxColumn) {\r | |
1429 | DevNullTextOutOutputString (Private, mCrLfString);\r | |
1430 | }\r | |
1431 | }\r | |
1432 | }\r | |
1433 | \r | |
1434 | return EFI_SUCCESS;\r | |
1435 | }\r | |
1436 | \r | |
a4d608d1 | 1437 | \r |
1438 | /**\r | |
1439 | Sets the output device(s) to a specified mode.\r | |
1440 | \r | |
1441 | @param Private Private data structure pointer.\r | |
1442 | @param ModeNumber The mode number to set.\r | |
1443 | \r | |
1444 | @retval EFI_SUCCESS The requested text mode was set.\r | |
1445 | @retval EFI_DEVICE_ERROR The device had an error and could not complete\r | |
1446 | the request.\r | |
1447 | @retval EFI_UNSUPPORTED The mode number was not valid.\r | |
1448 | @retval EFI_OUT_OF_RESOURCES Out of resources.\r | |
1449 | \r | |
1450 | **/\r | |
95276127 | 1451 | EFI_STATUS\r |
1452 | DevNullTextOutSetMode (\r | |
1453 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1454 | IN UINTN ModeNumber\r | |
1455 | )\r | |
95276127 | 1456 | {\r |
1457 | UINTN Size;\r | |
3012ce5c | 1458 | INT32 CurrentMode;\r |
95276127 | 1459 | UINTN Row;\r |
1460 | UINTN Column;\r | |
1461 | TEXT_OUT_SPLITTER_QUERY_DATA *Mode;\r | |
1462 | \r | |
1463 | //\r | |
1464 | // No extra check for ModeNumber here, as it has been checked in\r | |
1465 | // ConSplitterTextOutSetMode. And mode 0 should always be supported.\r | |
3012ce5c | 1466 | // Row and Column should be fetched from intersection map.\r |
95276127 | 1467 | //\r |
3012ce5c | 1468 | if (Private->TextOutModeMap != NULL) {\r |
1469 | CurrentMode = *(Private->TextOutModeMap + Private->TextOutListCount * ModeNumber);\r | |
1470 | } else {\r | |
1471 | CurrentMode = (INT32)(ModeNumber);\r | |
1472 | }\r | |
1473 | Mode = &(Private->TextOutQueryData[CurrentMode]);\r | |
95276127 | 1474 | Row = Mode->Rows;\r |
1475 | Column = Mode->Columns;\r | |
1476 | \r | |
1477 | if (Row <= 0 && Column <= 0) {\r | |
1478 | return EFI_UNSUPPORTED;\r | |
1479 | }\r | |
1480 | \r | |
189eac21 | 1481 | if (Private->TextOutMode.Mode != (INT32) ModeNumber) {\r |
95276127 | 1482 | \r |
1483 | Private->TextOutMode.Mode = (INT32) ModeNumber;\r | |
1484 | Private->DevNullColumns = Column;\r | |
1485 | Private->DevNullRows = Row;\r | |
1486 | \r | |
1487 | if (Private->DevNullScreen != NULL) {\r | |
1488 | FreePool (Private->DevNullScreen);\r | |
1489 | }\r | |
1490 | \r | |
1491 | Size = (Row * (Column + 1)) * sizeof (CHAR16);\r | |
1492 | Private->DevNullScreen = AllocateZeroPool (Size);\r | |
1493 | if (Private->DevNullScreen == NULL) {\r | |
1494 | return EFI_OUT_OF_RESOURCES;\r | |
1495 | }\r | |
1496 | \r | |
1497 | if (Private->DevNullAttributes != NULL) {\r | |
1498 | FreePool (Private->DevNullAttributes);\r | |
1499 | }\r | |
1500 | \r | |
1501 | Size = Row * Column * sizeof (INT32);\r | |
1502 | Private->DevNullAttributes = AllocateZeroPool (Size);\r | |
1503 | if (Private->DevNullAttributes == NULL) {\r | |
1504 | return EFI_OUT_OF_RESOURCES;\r | |
1505 | }\r | |
1506 | }\r | |
1507 | \r | |
1508 | DevNullTextOutClearScreen (Private);\r | |
1509 | \r | |
1510 | return EFI_SUCCESS;\r | |
1511 | }\r | |
1512 | \r | |
95276127 | 1513 | \r |
a4d608d1 | 1514 | /**\r |
1515 | Clears the output device(s) display to the currently selected background\r | |
1516 | color.\r | |
95276127 | 1517 | \r |
a4d608d1 | 1518 | @param Private Protocol instance pointer.\r |
95276127 | 1519 | \r |
a4d608d1 | 1520 | @retval EFI_SUCCESS The operation completed successfully.\r |
1521 | @retval EFI_DEVICE_ERROR The device had an error and could not complete\r | |
1522 | the request.\r | |
1523 | @retval EFI_UNSUPPORTED The output device is not in a valid text mode.\r | |
95276127 | 1524 | \r |
a4d608d1 | 1525 | **/\r |
1526 | EFI_STATUS\r | |
1527 | DevNullTextOutClearScreen (\r | |
1528 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private\r | |
1529 | )\r | |
95276127 | 1530 | {\r |
1531 | UINTN Row;\r | |
1532 | UINTN Column;\r | |
1533 | CHAR16 *Screen;\r | |
1534 | INT32 *Attributes;\r | |
1535 | INT32 CurrentAttribute;\r | |
1536 | \r | |
1537 | //\r | |
1538 | // Clear the DevNull Text Out Buffers.\r | |
1539 | // The screen is filled with spaces.\r | |
1540 | // The attributes are all synced with the current Simple Text Out Attribute\r | |
1541 | //\r | |
1542 | Screen = Private->DevNullScreen;\r | |
1543 | Attributes = Private->DevNullAttributes;\r | |
1544 | CurrentAttribute = Private->TextOutMode.Attribute;\r | |
1545 | \r | |
1546 | for (Row = 0; Row < Private->DevNullRows; Row++) {\r | |
1547 | for (Column = 0; Column < Private->DevNullColumns; Column++, Screen++, Attributes++) {\r | |
1548 | *Screen = ' ';\r | |
1549 | *Attributes = CurrentAttribute;\r | |
1550 | }\r | |
1551 | //\r | |
1552 | // Each line of the screen has a NULL on the end so we must skip over it\r | |
1553 | //\r | |
1554 | Screen++;\r | |
1555 | }\r | |
1556 | \r | |
1557 | DevNullTextOutSetCursorPosition (Private, 0, 0);\r | |
1558 | \r | |
1559 | return DevNullTextOutEnableCursor (Private, TRUE);\r | |
1560 | }\r | |
1561 | \r | |
a4d608d1 | 1562 | \r |
1563 | /**\r | |
1564 | Sets the current coordinates of the cursor position.\r | |
1565 | \r | |
1566 | @param Private Protocol instance pointer.\r | |
1567 | @param Column \r | |
1568 | @param Row the position to set the cursor to. Must be\r | |
1569 | greater than or equal to zero and less than the\r | |
1570 | number of columns and rows by QueryMode ().\r | |
1571 | \r | |
1572 | @retval EFI_SUCCESS The operation completed successfully.\r | |
1573 | @retval EFI_DEVICE_ERROR The device had an error and could not complete\r | |
1574 | the request.\r | |
1575 | @retval EFI_UNSUPPORTED The output device is not in a valid text mode, or\r | |
1576 | the cursor position is invalid for the current\r | |
1577 | mode.\r | |
1578 | \r | |
1579 | **/\r | |
95276127 | 1580 | EFI_STATUS\r |
1581 | DevNullTextOutSetCursorPosition (\r | |
1582 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1583 | IN UINTN Column,\r | |
1584 | IN UINTN Row\r | |
1585 | )\r | |
95276127 | 1586 | {\r |
1587 | //\r | |
1588 | // No need to do extra check here as whether (Column, Row) is valid has\r | |
1589 | // been checked in ConSplitterTextOutSetCursorPosition. And (0, 0) should\r | |
1590 | // always be supported.\r | |
1591 | //\r | |
1592 | Private->TextOutMode.CursorColumn = (INT32) Column;\r | |
1593 | Private->TextOutMode.CursorRow = (INT32) Row;\r | |
1594 | \r | |
1595 | return EFI_SUCCESS;\r | |
1596 | }\r | |
1597 | \r | |
a4d608d1 | 1598 | \r |
1599 | /**\r | |
1600 | Implements SIMPLE_TEXT_OUTPUT.EnableCursor().\r | |
1601 | In this driver, the cursor cannot be hidden.\r | |
1602 | \r | |
1603 | @param Private Indicates the calling context.\r | |
1604 | @param Visible If TRUE, the cursor is set to be visible, If\r | |
1605 | FALSE, the cursor is set to be invisible.\r | |
1606 | \r | |
1607 | @retval EFI_SUCCESS The request is valid.\r | |
1608 | \r | |
1609 | **/\r | |
95276127 | 1610 | EFI_STATUS\r |
1611 | DevNullTextOutEnableCursor (\r | |
1612 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1613 | IN BOOLEAN Visible\r | |
1614 | )\r | |
95276127 | 1615 | {\r |
1616 | Private->TextOutMode.CursorVisible = Visible;\r | |
1617 | \r | |
1618 | return EFI_SUCCESS;\r | |
1619 | }\r | |
1620 | \r | |
a4d608d1 | 1621 | \r |
1622 | /**\r | |
1623 | Take the DevNull TextOut device and update the Simple Text Out on every\r | |
1624 | UGA device.\r | |
1625 | \r | |
1626 | @param Private Indicates the calling context.\r | |
1627 | \r | |
1628 | @retval EFI_SUCCESS The request is valid.\r | |
1629 | @retval other Return status of TextOut->OutputString ()\r | |
1630 | \r | |
1631 | **/\r | |
95276127 | 1632 | EFI_STATUS\r |
aec072ad | 1633 | DevNullSyncStdOut (\r |
95276127 | 1634 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private\r |
1635 | )\r | |
95276127 | 1636 | {\r |
1637 | EFI_STATUS Status;\r | |
1638 | EFI_STATUS ReturnStatus;\r | |
1639 | UINTN Row;\r | |
1640 | UINTN Column;\r | |
1641 | UINTN List;\r | |
1642 | UINTN MaxColumn;\r | |
1643 | UINTN CurrentColumn;\r | |
1644 | UINTN StartRow;\r | |
1645 | UINTN StartColumn;\r | |
1646 | INT32 StartAttribute;\r | |
1647 | BOOLEAN StartCursorState;\r | |
1648 | CHAR16 *Screen;\r | |
1649 | CHAR16 *Str;\r | |
1650 | CHAR16 *Buffer;\r | |
1651 | CHAR16 *BufferTail;\r | |
1652 | CHAR16 *ScreenStart;\r | |
1653 | INT32 CurrentAttribute;\r | |
1654 | INT32 *Attributes;\r | |
1655 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Sto;\r | |
1656 | \r | |
1657 | //\r | |
1658 | // Save the devices Attributes, Cursor enable state and location\r | |
1659 | //\r | |
1660 | StartColumn = Private->TextOutMode.CursorColumn;\r | |
1661 | StartRow = Private->TextOutMode.CursorRow;\r | |
1662 | StartAttribute = Private->TextOutMode.Attribute;\r | |
1663 | StartCursorState = Private->TextOutMode.CursorVisible;\r | |
1664 | \r | |
1665 | for (List = 0; List < Private->CurrentNumberOfConsoles; List++) {\r | |
1666 | \r | |
1667 | Sto = Private->TextOutList[List].TextOut;\r | |
1668 | \r | |
1669 | //\r | |
1670 | // Skip non GOP/UGA devices\r | |
1671 | //\r | |
1672 | if ((Private->TextOutList[List].GraphicsOutput != NULL) || (Private->TextOutList[List].UgaDraw != NULL)) {\r | |
1673 | Sto->EnableCursor (Sto, FALSE);\r | |
1674 | Sto->ClearScreen (Sto);\r | |
1675 | }\r | |
1676 | }\r | |
1677 | \r | |
1678 | ReturnStatus = EFI_SUCCESS;\r | |
1679 | Screen = Private->DevNullScreen;\r | |
1680 | Attributes = Private->DevNullAttributes;\r | |
1681 | MaxColumn = Private->DevNullColumns;\r | |
1682 | \r | |
1683 | Buffer = AllocateZeroPool ((MaxColumn + 1) * sizeof (CHAR16));\r | |
cc79cef9 | 1684 | if (Buffer == NULL) {\r |
1685 | return ReturnStatus;\r | |
1686 | }\r | |
95276127 | 1687 | \r |
1688 | for (Row = 0; Row < Private->DevNullRows; Row++, Screen += (MaxColumn + 1), Attributes += MaxColumn) {\r | |
1689 | \r | |
1690 | if (Row == (Private->DevNullRows - 1)) {\r | |
1691 | //\r | |
1692 | // Don't ever sync the last character as it will scroll the screen\r | |
1693 | //\r | |
1694 | Screen[MaxColumn - 1] = 0x00;\r | |
1695 | }\r | |
1696 | \r | |
1697 | Column = 0;\r | |
1698 | while (Column < MaxColumn) {\r | |
a4d608d1 | 1699 | if (Screen[Column] > 0) {\r |
95276127 | 1700 | CurrentAttribute = Attributes[Column];\r |
1701 | CurrentColumn = Column;\r | |
1702 | ScreenStart = &Screen[Column];\r | |
1703 | \r | |
1704 | //\r | |
1705 | // the line end is alway 0x0. So Column should be less than MaxColumn\r | |
1706 | // It should be still in the same row\r | |
1707 | //\r | |
1708 | for (Str = ScreenStart, BufferTail = Buffer; *Str != 0; Str++, Column++) {\r | |
1709 | \r | |
1710 | if (Attributes[Column] != CurrentAttribute) {\r | |
1711 | Column--;\r | |
1712 | break;\r | |
1713 | }\r | |
1714 | \r | |
1715 | *BufferTail = *Str;\r | |
1716 | BufferTail++;\r | |
a4d608d1 | 1717 | if ((Attributes[Column] & EFI_WIDE_ATTRIBUTE) != 0) {\r |
95276127 | 1718 | Str++;\r |
1719 | Column++;\r | |
1720 | }\r | |
1721 | }\r | |
1722 | \r | |
1723 | *BufferTail = 0;\r | |
1724 | \r | |
1725 | for (List = 0; List < Private->CurrentNumberOfConsoles; List++) {\r | |
1726 | \r | |
1727 | Sto = Private->TextOutList[List].TextOut;\r | |
1728 | \r | |
1729 | //\r | |
1730 | // Skip non GOP/UGA devices\r | |
1731 | //\r | |
1732 | if ((Private->TextOutList[List].GraphicsOutput != NULL) || (Private->TextOutList[List].UgaDraw != NULL)) {\r | |
1733 | Sto->SetAttribute (Sto, CurrentAttribute);\r | |
1734 | Sto->SetCursorPosition (Sto, CurrentColumn, Row);\r | |
1735 | Status = Sto->OutputString (Sto, Buffer);\r | |
1736 | if (EFI_ERROR (Status)) {\r | |
1737 | ReturnStatus = Status;\r | |
1738 | }\r | |
1739 | }\r | |
1740 | }\r | |
1741 | \r | |
1742 | }\r | |
1743 | \r | |
1744 | Column++;\r | |
1745 | }\r | |
1746 | }\r | |
1747 | //\r | |
1748 | // Restore the devices Attributes, Cursor enable state and location\r | |
1749 | //\r | |
1750 | for (List = 0; List < Private->CurrentNumberOfConsoles; List++) {\r | |
1751 | Sto = Private->TextOutList[List].TextOut;\r | |
1752 | \r | |
1753 | //\r | |
1754 | // Skip non GOP/UGA devices\r | |
1755 | //\r | |
1756 | if ((Private->TextOutList[List].GraphicsOutput != NULL) || (Private->TextOutList[List].UgaDraw != NULL)) {\r | |
1757 | Sto->SetAttribute (Sto, StartAttribute);\r | |
1758 | Sto->SetCursorPosition (Sto, StartColumn, StartRow);\r | |
1759 | Status = Sto->EnableCursor (Sto, StartCursorState);\r | |
1760 | if (EFI_ERROR (Status)) {\r | |
1761 | ReturnStatus = Status;\r | |
1762 | }\r | |
1763 | }\r | |
1764 | }\r | |
1765 | \r | |
1766 | FreePool (Buffer);\r | |
1767 | \r | |
1768 | return ReturnStatus;\r | |
1769 | }\r |