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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 | #include "ConSplitter.h"\r |
20 | \r | |
95276127 | 21 | \r |
fe1e36e5 | 22 | CHAR16 mCrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };\r |
a4d608d1 | 23 | \r |
24 | \r | |
25 | /**\r | |
26 | Return the current video mode information. Also returns info about existence\r | |
d2bc9f32 | 27 | of Graphics Output devices or UGA Draw devices in system, and whether the Std\r |
28 | In device is locked. GopUgaExists and StdInLocked parameters are optional, and\r | |
29 | only returned if a non NULL pointer is passed in.\r | |
a4d608d1 | 30 | \r |
31 | @param This Protocol instance pointer.\r | |
d2bc9f32 | 32 | @param Mode Current video mode.\r |
257efb0b | 33 | @param GopUgaExists TRUE if GOP Spliter has found a GOP/UGA device\r |
a4d608d1 | 34 | @param StdInLocked TRUE if StdIn device is keyboard locked\r |
95276127 | 35 | \r |
d2bc9f32 | 36 | @retval EFI_SUCCESS Video mode information is returned.\r |
37 | @retval EFI_INVALID_PARAMETER Invalid parameters if Mode == NULL.\r | |
a4d608d1 | 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 | |
4b5c4fba | 45 | OUT BOOLEAN *GopUgaExists,\r |
95276127 | 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 | |
4b5c4fba | 60 | if (GopUgaExists != NULL) {\r |
61 | *GopUgaExists = FALSE;\r | |
95276127 | 62 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r |
63 | if ((Private->TextOutList[Index].GraphicsOutput != NULL) || (Private->TextOutList[Index].UgaDraw != NULL)) {\r | |
4b5c4fba | 64 | *GopUgaExists = TRUE;\r |
95276127 | 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 | |
ed055f1b | 79 | Set the current video mode to either text or graphics. Graphics is\r |
a4d608d1 | 80 | for Quiet Boot.\r |
81 | \r | |
2da292f6 | 82 | @param This Console Control Protocol instance pointer.\r |
ed055f1b | 83 | @param Mode Video mode is to be set.\r |
a4d608d1 | 84 | \r |
ed055f1b | 85 | @retval EFI_SUCCESS Mode is set successfully.\r |
86 | @retval EFI_INVALID_PARAMETER Mode is not the valid mode value.\r | |
87 | @retval EFI_UNSUPPORTED Mode is unsupported by console device.\r | |
a4d608d1 | 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 | |
2da292f6 | 154 | Returns information for an available graphics mode that the graphics device\r |
155 | and the set of active video output devices supports.\r | |
a4d608d1 | 156 | \r |
2da292f6 | 157 | @param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.\r |
158 | @param ModeNumber The mode number to return information on.\r | |
159 | @param SizeOfInfo A pointer to the size, in bytes, of the Info buffer.\r | |
160 | @param Info A pointer to callee allocated buffer that returns information about ModeNumber.\r | |
a4d608d1 | 161 | \r |
2da292f6 | 162 | @retval EFI_SUCCESS Mode information returned.\r |
163 | @retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.\r | |
164 | @retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the video mode.\r | |
165 | @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r | |
166 | @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r | |
167 | @retval EFI_OUT_OF_RESOURCES No resource available.\r | |
a4d608d1 | 168 | \r |
169 | **/\r | |
95276127 | 170 | EFI_STATUS\r |
171 | EFIAPI\r | |
172 | ConSpliterGraphicsOutputQueryMode (\r | |
173 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
174 | IN UINT32 ModeNumber,\r | |
175 | OUT UINTN *SizeOfInfo,\r | |
176 | OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info\r | |
177 | )\r | |
95276127 | 178 | {\r |
179 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
95276127 | 180 | \r |
181 | if (This == NULL || Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {\r | |
182 | return EFI_INVALID_PARAMETER;\r | |
183 | }\r | |
184 | \r | |
185 | //\r | |
186 | // retrieve private data\r | |
187 | //\r | |
188 | Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
189 | \r | |
190 | if (Private->HardwareNeedsStarting) {\r | |
191 | return EFI_NOT_STARTED;\r | |
192 | }\r | |
193 | \r | |
194 | *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));\r | |
95276127 | 195 | if (*Info == NULL) {\r |
196 | return EFI_OUT_OF_RESOURCES;\r | |
197 | }\r | |
198 | \r | |
199 | *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r | |
200 | \r | |
aec072ad | 201 | CopyMem (*Info, &Private->GraphicsOutputModeBuffer[ModeNumber], *SizeOfInfo);\r |
95276127 | 202 | \r |
203 | return EFI_SUCCESS;\r | |
204 | }\r | |
205 | \r | |
a4d608d1 | 206 | \r |
207 | /**\r | |
ed055f1b | 208 | Set the video device into the specified mode and clears the visible portions of\r |
2da292f6 | 209 | the output display to black.\r |
a4d608d1 | 210 | \r |
2da292f6 | 211 | @param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.\r |
212 | @param ModeNumber Abstraction that defines the current video mode.\r | |
a4d608d1 | 213 | \r |
2da292f6 | 214 | @retval EFI_SUCCESS The graphics mode specified by ModeNumber was selected.\r |
215 | @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.\r | |
216 | @retval EFI_UNSUPPORTED ModeNumber is not supported by this device.\r | |
217 | @retval EFI_OUT_OF_RESOURCES No resource available.\r | |
a4d608d1 | 218 | \r |
219 | **/\r | |
95276127 | 220 | EFI_STATUS\r |
221 | EFIAPI\r | |
222 | ConSpliterGraphicsOutputSetMode (\r | |
223 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,\r | |
224 | IN UINT32 ModeNumber\r | |
225 | )\r | |
95276127 | 226 | {\r |
227 | EFI_STATUS Status;\r | |
228 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
229 | UINTN Index;\r | |
230 | EFI_STATUS ReturnStatus;\r | |
aec072ad | 231 | EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Mode;\r |
95276127 | 232 | UINTN Size;\r |
233 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
234 | UINTN NumberIndex;\r | |
235 | UINTN SizeOfInfo;\r | |
236 | EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r | |
237 | EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r | |
238 | \r | |
239 | if (ModeNumber >= This->Mode->MaxMode) {\r | |
240 | return EFI_UNSUPPORTED;\r | |
241 | }\r | |
242 | \r | |
243 | if (ModeNumber == This->Mode->Mode) {\r | |
244 | return EFI_SUCCESS;\r | |
245 | }\r | |
246 | \r | |
247 | Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
248 | \r | |
95276127 | 249 | ReturnStatus = EFI_SUCCESS;\r |
250 | \r | |
251 | //\r | |
252 | // Free the old version\r | |
253 | //\r | |
254 | if (Private->GraphicsOutputBlt != NULL) {\r | |
255 | FreePool (Private->GraphicsOutputBlt);\r | |
256 | }\r | |
257 | \r | |
258 | //\r | |
259 | // Allocate the virtual Blt buffer\r | |
260 | //\r | |
261 | Mode = &Private->GraphicsOutputModeBuffer[ModeNumber];\r | |
262 | Size = Mode->HorizontalResolution * Mode->VerticalResolution * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r | |
263 | Private->GraphicsOutputBlt = AllocateZeroPool (Size);\r | |
264 | \r | |
265 | if (Private->GraphicsOutputBlt == NULL) {\r | |
266 | return EFI_OUT_OF_RESOURCES;\r | |
267 | }\r | |
268 | \r | |
95276127 | 269 | //\r |
270 | // return the worst status met\r | |
271 | //\r | |
272 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r | |
273 | GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r | |
274 | if (GraphicsOutput != NULL) {\r | |
275 | //\r | |
276 | // Find corresponding ModeNumber of this GraphicsOutput instance\r | |
277 | //\r | |
278 | for (NumberIndex = 0; NumberIndex < GraphicsOutput->Mode->MaxMode; NumberIndex ++) {\r | |
279 | Status = GraphicsOutput->QueryMode (GraphicsOutput, (UINT32) NumberIndex, &SizeOfInfo, &Info);\r | |
280 | if (EFI_ERROR (Status)) {\r | |
281 | return Status;\r | |
282 | }\r | |
283 | if ((Info->HorizontalResolution == Mode->HorizontalResolution) && (Info->VerticalResolution == Mode->VerticalResolution)) {\r | |
284 | FreePool (Info);\r | |
285 | break;\r | |
286 | }\r | |
287 | FreePool (Info);\r | |
288 | }\r | |
289 | \r | |
290 | Status = GraphicsOutput->SetMode (GraphicsOutput, (UINT32) NumberIndex);\r | |
291 | if (EFI_ERROR (Status)) {\r | |
292 | ReturnStatus = Status;\r | |
293 | }\r | |
2da292f6 | 294 | } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
d0c64728 | 295 | UgaDraw = Private->TextOutList[Index].UgaDraw;\r |
296 | if (UgaDraw != NULL) {\r | |
297 | Status = UgaDraw->SetMode (\r | |
298 | UgaDraw,\r | |
299 | Mode->HorizontalResolution,\r | |
300 | Mode->VerticalResolution,\r | |
301 | 32,\r | |
302 | 60\r | |
303 | );\r | |
304 | if (EFI_ERROR (Status)) {\r | |
305 | ReturnStatus = Status;\r | |
306 | }\r | |
95276127 | 307 | }\r |
308 | }\r | |
309 | }\r | |
310 | \r | |
311 | This->Mode->Mode = ModeNumber;\r | |
312 | \r | |
aec072ad | 313 | CopyMem (This->Mode->Info, &Private->GraphicsOutputModeBuffer[ModeNumber], This->Mode->SizeOfInfo);\r |
95276127 | 314 | \r |
315 | //\r | |
316 | // Information is not enough here, so the following items remain unchanged:\r | |
317 | // GraphicsOutputMode->Info->Version, GraphicsOutputMode->Info->PixelFormat\r | |
318 | // GraphicsOutputMode->SizeOfInfo, GraphicsOutputMode->FrameBufferBase, GraphicsOutputMode->FrameBufferSize\r | |
319 | // These items will be initialized/updated when a new GOP device is added into ConsoleSplitter.\r | |
320 | //\r | |
321 | \r | |
322 | Private->HardwareNeedsStarting = FALSE;\r | |
323 | \r | |
324 | return ReturnStatus;\r | |
325 | }\r | |
326 | \r | |
33019a71 | 327 | /**\r |
328 | The following table defines actions for BltOperations.\r | |
329 | \r | |
330 | EfiBltVideoFill - Write data from the BltBuffer pixel (SourceX, SourceY)\r | |
331 | directly to every pixel of the video display rectangle\r | |
332 | (DestinationX, DestinationY)\r | |
333 | (DestinationX + Width, DestinationY + Height).\r | |
334 | Only one pixel will be used from the BltBuffer. Delta is NOT used.\r | |
335 | EfiBltVideoToBltBuffer - Read data from the video display rectangle\r | |
336 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r | |
337 | the BltBuffer rectangle (DestinationX, DestinationY )\r | |
338 | (DestinationX + Width, DestinationY + Height). If DestinationX or\r | |
339 | DestinationY is not zero then Delta must be set to the length in bytes\r | |
340 | of a row in the BltBuffer.\r | |
341 | EfiBltBufferToVideo - Write data from the BltBuffer rectangle\r | |
342 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r | |
343 | video display rectangle (DestinationX, DestinationY)\r | |
344 | (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r | |
345 | not zero then Delta must be set to the length in bytes of a row in the\r | |
346 | BltBuffer.\r | |
347 | EfiBltVideoToVideo - Copy from the video display rectangle\r | |
348 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r | |
349 | to the video display rectangle (DestinationX, DestinationY)\r | |
350 | (DestinationX + Width, DestinationY + Height).\r | |
351 | The BltBuffer and Delta are not used in this mode.\r | |
352 | \r | |
353 | @param Private Protocol instance pointer.\r | |
354 | @param BltBuffer Buffer containing data to blit into video buffer.\r | |
355 | This buffer has a size of\r | |
356 | Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r | |
357 | @param BltOperation Operation to perform on BlitBuffer and video\r | |
358 | memory\r | |
359 | @param SourceX X coordinate of source for the BltBuffer.\r | |
360 | @param SourceY Y coordinate of source for the BltBuffer.\r | |
361 | @param DestinationX X coordinate of destination for the BltBuffer.\r | |
362 | @param DestinationY Y coordinate of destination for the BltBuffer.\r | |
363 | @param Width Width of rectangle in BltBuffer in pixels.\r | |
ed055f1b | 364 | @param Height Hight of rectangle in BltBuffer in pixels.\r |
33019a71 | 365 | @param Delta OPTIONAL.\r |
366 | \r | |
367 | @retval EFI_SUCCESS The Blt operation completed.\r | |
368 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
369 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video\r | |
370 | buffer.\r | |
371 | \r | |
372 | **/\r | |
95276127 | 373 | EFI_STATUS\r |
374 | DevNullGraphicsOutputBlt (\r | |
375 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
376 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
377 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r | |
378 | IN UINTN SourceX,\r | |
379 | IN UINTN SourceY,\r | |
380 | IN UINTN DestinationX,\r | |
381 | IN UINTN DestinationY,\r | |
382 | IN UINTN Width,\r | |
383 | IN UINTN Height,\r | |
384 | IN UINTN Delta OPTIONAL\r | |
385 | )\r | |
386 | {\r | |
387 | UINTN SrcY;\r | |
388 | BOOLEAN Forward;\r | |
389 | UINTN Index;\r | |
390 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltPtr;\r | |
391 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *ScreenPtr;\r | |
392 | UINTN HorizontalResolution;\r | |
393 | UINTN VerticalResolution;\r | |
394 | \r | |
395 | if ((BltOperation < EfiBltVideoFill) || (BltOperation >= EfiGraphicsOutputBltOperationMax)) {\r | |
396 | return EFI_INVALID_PARAMETER;\r | |
397 | }\r | |
398 | \r | |
399 | if (Width == 0 || Height == 0) {\r | |
400 | return EFI_INVALID_PARAMETER;\r | |
401 | }\r | |
402 | \r | |
403 | if (Delta == 0) {\r | |
404 | Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r | |
405 | }\r | |
406 | \r | |
407 | HorizontalResolution = Private->GraphicsOutput.Mode->Info->HorizontalResolution;\r | |
408 | VerticalResolution = Private->GraphicsOutput.Mode->Info->VerticalResolution;\r | |
409 | \r | |
410 | //\r | |
411 | // We need to fill the Virtual Screen buffer with the blt data.\r | |
412 | //\r | |
413 | if (BltOperation == EfiBltVideoToBltBuffer) {\r | |
414 | //\r | |
415 | // Video to BltBuffer: Source is Video, destination is BltBuffer\r | |
416 | //\r | |
417 | if ((SourceY + Height) > VerticalResolution) {\r | |
418 | return EFI_INVALID_PARAMETER;\r | |
419 | }\r | |
420 | \r | |
421 | if ((SourceX + Width) > HorizontalResolution) {\r | |
422 | return EFI_INVALID_PARAMETER;\r | |
423 | }\r | |
424 | \r | |
425 | BltPtr = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + DestinationY * Delta + DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
426 | ScreenPtr = &Private->GraphicsOutputBlt[SourceY * HorizontalResolution + SourceX];\r | |
a4d608d1 | 427 | while (Height > 0) {\r |
95276127 | 428 | CopyMem (BltPtr, ScreenPtr, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r |
429 | BltPtr = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltPtr + Delta);\r | |
430 | ScreenPtr += HorizontalResolution;\r | |
431 | Height--;\r | |
432 | }\r | |
433 | } else {\r | |
434 | //\r | |
435 | // BltBuffer to Video: Source is BltBuffer, destination is Video\r | |
436 | //\r | |
437 | if (DestinationY + Height > VerticalResolution) {\r | |
438 | return EFI_INVALID_PARAMETER;\r | |
439 | }\r | |
440 | \r | |
441 | if (DestinationX + Width > HorizontalResolution) {\r | |
442 | return EFI_INVALID_PARAMETER;\r | |
443 | }\r | |
444 | \r | |
445 | if ((BltOperation == EfiBltVideoToVideo) && (DestinationY > SourceY)) {\r | |
446 | //\r | |
447 | // Copy backwards, only care the Video to Video Blt\r | |
448 | //\r | |
449 | ScreenPtr = &Private->GraphicsOutputBlt[(DestinationY + Height - 1) * HorizontalResolution + DestinationX];\r | |
450 | SrcY = SourceY + Height - 1;\r | |
451 | Forward = FALSE;\r | |
452 | } else {\r | |
453 | //\r | |
454 | // Copy forwards, for other cases\r | |
455 | //\r | |
456 | ScreenPtr = &Private->GraphicsOutputBlt[DestinationY * HorizontalResolution + DestinationX];\r | |
457 | SrcY = SourceY;\r | |
458 | Forward = TRUE;\r | |
459 | }\r | |
460 | \r | |
461 | while (Height != 0) {\r | |
462 | if (BltOperation == EfiBltVideoFill) {\r | |
463 | for (Index = 0; Index < Width; Index++) {\r | |
464 | ScreenPtr[Index] = *BltBuffer;\r | |
465 | }\r | |
466 | } else {\r | |
467 | if (BltOperation == EfiBltBufferToVideo) {\r | |
468 | BltPtr = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + SrcY * Delta + SourceX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
469 | } else {\r | |
470 | BltPtr = &Private->GraphicsOutputBlt[SrcY * HorizontalResolution + SourceX];\r | |
471 | }\r | |
472 | \r | |
473 | CopyMem (ScreenPtr, BltPtr, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
474 | }\r | |
475 | \r | |
476 | if (Forward) {\r | |
477 | ScreenPtr += HorizontalResolution;\r | |
478 | SrcY ++;\r | |
479 | } else {\r | |
480 | ScreenPtr -= HorizontalResolution;\r | |
481 | SrcY --;\r | |
482 | }\r | |
483 | Height--;\r | |
484 | }\r | |
485 | }\r | |
486 | \r | |
487 | return EFI_SUCCESS;\r | |
488 | }\r | |
489 | \r | |
a4d608d1 | 490 | \r |
491 | /**\r | |
492 | The following table defines actions for BltOperations.\r | |
493 | \r | |
494 | EfiBltVideoFill - Write data from the BltBuffer pixel (SourceX, SourceY)\r | |
495 | directly to every pixel of the video display rectangle\r | |
496 | (DestinationX, DestinationY)\r | |
497 | (DestinationX + Width, DestinationY + Height).\r | |
498 | Only one pixel will be used from the BltBuffer. Delta is NOT used.\r | |
499 | EfiBltVideoToBltBuffer - Read data from the video display rectangle\r | |
500 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r | |
501 | the BltBuffer rectangle (DestinationX, DestinationY )\r | |
502 | (DestinationX + Width, DestinationY + Height). If DestinationX or\r | |
503 | DestinationY is not zero then Delta must be set to the length in bytes\r | |
504 | of a row in the BltBuffer.\r | |
505 | EfiBltBufferToVideo - Write data from the BltBuffer rectangle\r | |
506 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r | |
507 | video display rectangle (DestinationX, DestinationY)\r | |
508 | (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r | |
509 | not zero then Delta must be set to the length in bytes of a row in the\r | |
510 | BltBuffer.\r | |
511 | EfiBltVideoToVideo - Copy from the video display rectangle\r | |
512 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r | |
513 | to the video display rectangle (DestinationX, DestinationY)\r | |
514 | (DestinationX + Width, DestinationY + Height).\r | |
515 | The BltBuffer and Delta are not used in this mode.\r | |
516 | \r | |
517 | @param This Protocol instance pointer.\r | |
518 | @param BltBuffer Buffer containing data to blit into video buffer.\r | |
519 | This buffer has a size of\r | |
520 | Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r | |
521 | @param BltOperation Operation to perform on BlitBuffer and video\r | |
522 | memory\r | |
523 | @param SourceX X coordinate of source for the BltBuffer.\r | |
524 | @param SourceY Y coordinate of source for the BltBuffer.\r | |
525 | @param DestinationX X coordinate of destination for the BltBuffer.\r | |
526 | @param DestinationY Y coordinate of destination for the BltBuffer.\r | |
527 | @param Width Width of rectangle in BltBuffer in pixels.\r | |
ed055f1b | 528 | @param Height Hight of rectangle in BltBuffer in pixels.\r |
33019a71 | 529 | @param Delta OPTIONAL.\r |
a4d608d1 | 530 | \r |
531 | @retval EFI_SUCCESS The Blt operation completed.\r | |
532 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
533 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video\r | |
534 | buffer.\r | |
535 | \r | |
536 | **/\r | |
95276127 | 537 | EFI_STATUS\r |
538 | EFIAPI\r | |
539 | ConSpliterGraphicsOutputBlt (\r | |
540 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
541 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
542 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r | |
543 | IN UINTN SourceX,\r | |
544 | IN UINTN SourceY,\r | |
545 | IN UINTN DestinationX,\r | |
546 | IN UINTN DestinationY,\r | |
547 | IN UINTN Width,\r | |
548 | IN UINTN Height,\r | |
549 | IN UINTN Delta OPTIONAL\r | |
550 | )\r | |
95276127 | 551 | {\r |
552 | EFI_STATUS Status;\r | |
553 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
554 | UINTN Index;\r | |
555 | EFI_STATUS ReturnStatus;\r | |
556 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
557 | EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r | |
558 | \r | |
559 | Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
560 | \r | |
561 | //\r | |
562 | // Sync up DevNull GOP device\r | |
563 | //\r | |
564 | ReturnStatus = DevNullGraphicsOutputBlt (\r | |
565 | Private,\r | |
566 | BltBuffer,\r | |
567 | BltOperation,\r | |
568 | SourceX,\r | |
569 | SourceY,\r | |
570 | DestinationX,\r | |
571 | DestinationY,\r | |
572 | Width,\r | |
573 | Height,\r | |
574 | Delta\r | |
575 | );\r | |
576 | \r | |
577 | if (Private->ConsoleOutputMode != EfiConsoleControlScreenGraphics) {\r | |
578 | return ReturnStatus;\r | |
579 | }\r | |
580 | //\r | |
581 | // return the worst status met\r | |
582 | //\r | |
583 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r | |
584 | GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r | |
585 | if (GraphicsOutput != NULL) {\r | |
586 | Status = GraphicsOutput->Blt (\r | |
587 | GraphicsOutput,\r | |
588 | BltBuffer,\r | |
589 | BltOperation,\r | |
590 | SourceX,\r | |
591 | SourceY,\r | |
592 | DestinationX,\r | |
593 | DestinationY,\r | |
594 | Width,\r | |
595 | Height,\r | |
596 | Delta\r | |
597 | );\r | |
598 | if (EFI_ERROR (Status)) {\r | |
599 | ReturnStatus = Status;\r | |
600 | } else if (BltOperation == EfiBltVideoToBltBuffer) {\r | |
601 | //\r | |
602 | // Only need to read the data into buffer one time\r | |
603 | //\r | |
604 | return EFI_SUCCESS;\r | |
605 | }\r | |
606 | }\r | |
607 | \r | |
608 | UgaDraw = Private->TextOutList[Index].UgaDraw;\r | |
8541adab | 609 | if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
95276127 | 610 | Status = UgaDraw->Blt (\r |
611 | UgaDraw,\r | |
612 | (EFI_UGA_PIXEL *) BltBuffer,\r | |
613 | (EFI_UGA_BLT_OPERATION) BltOperation,\r | |
614 | SourceX,\r | |
615 | SourceY,\r | |
616 | DestinationX,\r | |
617 | DestinationY,\r | |
618 | Width,\r | |
619 | Height,\r | |
620 | Delta\r | |
621 | );\r | |
622 | if (EFI_ERROR (Status)) {\r | |
623 | ReturnStatus = Status;\r | |
624 | } else if (BltOperation == EfiBltVideoToBltBuffer) {\r | |
625 | //\r | |
626 | // Only need to read the data into buffer one time\r | |
627 | //\r | |
628 | return EFI_SUCCESS;\r | |
629 | }\r | |
630 | }\r | |
631 | }\r | |
632 | \r | |
633 | return ReturnStatus;\r | |
634 | }\r | |
635 | \r | |
33019a71 | 636 | /**\r |
ed055f1b | 637 | Write data from the buffer to video display based on Graphics Output setting.\r |
33019a71 | 638 | \r |
639 | @param Private Consplitter Text Out pointer.\r | |
640 | @param GraphicsOutput Graphics Output protocol pointer.\r | |
641 | @param UgaDraw UGA Draw protocol pointer.\r | |
642 | \r | |
643 | @retval EFI_UNSUPPORTED No graphics devcie available .\r | |
644 | @retval EFI_SUCCESS The Blt operation completed.\r | |
645 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
646 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.\r | |
ed055f1b | 647 | \r |
33019a71 | 648 | \r |
649 | **/\r | |
95276127 | 650 | EFI_STATUS\r |
651 | DevNullGopSync (\r | |
652 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
653 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,\r | |
654 | IN EFI_UGA_DRAW_PROTOCOL *UgaDraw\r | |
655 | )\r | |
656 | {\r | |
657 | if (GraphicsOutput != NULL) {\r | |
658 | return GraphicsOutput->Blt (\r | |
659 | GraphicsOutput,\r | |
660 | Private->GraphicsOutputBlt,\r | |
661 | EfiBltBufferToVideo,\r | |
662 | 0,\r | |
663 | 0,\r | |
664 | 0,\r | |
665 | 0,\r | |
666 | Private->GraphicsOutput.Mode->Info->HorizontalResolution,\r | |
667 | Private->GraphicsOutput.Mode->Info->VerticalResolution,\r | |
668 | 0\r | |
669 | );\r | |
2da292f6 | 670 | } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
95276127 | 671 | return UgaDraw->Blt (\r |
672 | UgaDraw,\r | |
673 | (EFI_UGA_PIXEL *) Private->GraphicsOutputBlt,\r | |
674 | EfiUgaBltBufferToVideo,\r | |
675 | 0,\r | |
676 | 0,\r | |
677 | 0,\r | |
678 | 0,\r | |
679 | Private->GraphicsOutput.Mode->Info->HorizontalResolution,\r | |
680 | Private->GraphicsOutput.Mode->Info->VerticalResolution,\r | |
681 | 0\r | |
682 | );\r | |
8541adab | 683 | } else {\r |
684 | return EFI_UNSUPPORTED;\r | |
95276127 | 685 | }\r |
686 | }\r | |
687 | \r | |
a4d608d1 | 688 | /**\r |
689 | Return the current video mode information.\r | |
690 | \r | |
2da292f6 | 691 | @param This The EFI_UGA_DRAW_PROTOCOL instance.\r |
692 | @param HorizontalResolution The size of video screen in pixels in the X dimension.\r | |
693 | @param VerticalResolution The size of video screen in pixels in the Y dimension.\r | |
694 | @param ColorDepth Number of bits per pixel, currently defined to be 32.\r | |
695 | @param RefreshRate The refresh rate of the monitor in Hertz.\r | |
a4d608d1 | 696 | \r |
2da292f6 | 697 | @retval EFI_SUCCESS Mode information returned.\r |
698 | @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r | |
699 | @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r | |
a4d608d1 | 700 | \r |
701 | **/\r | |
d0c64728 | 702 | EFI_STATUS\r |
703 | EFIAPI\r | |
704 | ConSpliterUgaDrawGetMode (\r | |
705 | IN EFI_UGA_DRAW_PROTOCOL *This,\r | |
706 | OUT UINT32 *HorizontalResolution,\r | |
707 | OUT UINT32 *VerticalResolution,\r | |
708 | OUT UINT32 *ColorDepth,\r | |
709 | OUT UINT32 *RefreshRate\r | |
710 | )\r | |
d0c64728 | 711 | {\r |
712 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
713 | \r | |
a4d608d1 | 714 | if ((HorizontalResolution == NULL) ||\r |
2da292f6 | 715 | (VerticalResolution == NULL) ||\r |
716 | (RefreshRate == NULL) ||\r | |
717 | (ColorDepth == NULL)) {\r | |
d0c64728 | 718 | return EFI_INVALID_PARAMETER;\r |
719 | }\r | |
720 | //\r | |
721 | // retrieve private data\r | |
722 | //\r | |
723 | Private = UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
724 | \r | |
725 | *HorizontalResolution = Private->UgaHorizontalResolution;\r | |
726 | *VerticalResolution = Private->UgaVerticalResolution;\r | |
727 | *ColorDepth = Private->UgaColorDepth;\r | |
728 | *RefreshRate = Private->UgaRefreshRate;\r | |
729 | \r | |
730 | return EFI_SUCCESS;\r | |
731 | }\r | |
732 | \r | |
a4d608d1 | 733 | \r |
734 | /**\r | |
2da292f6 | 735 | Set the current video mode information.\r |
a4d608d1 | 736 | \r |
2da292f6 | 737 | @param This The EFI_UGA_DRAW_PROTOCOL instance.\r |
738 | @param HorizontalResolution The size of video screen in pixels in the X dimension.\r | |
739 | @param VerticalResolution The size of video screen in pixels in the Y dimension.\r | |
740 | @param ColorDepth Number of bits per pixel, currently defined to be 32.\r | |
741 | @param RefreshRate The refresh rate of the monitor in Hertz.\r | |
a4d608d1 | 742 | \r |
2da292f6 | 743 | @retval EFI_SUCCESS Mode information returned.\r |
744 | @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r | |
745 | @retval EFI_OUT_OF_RESOURCES Out of resources.\r | |
a4d608d1 | 746 | \r |
747 | **/\r | |
d0c64728 | 748 | EFI_STATUS\r |
749 | EFIAPI\r | |
750 | ConSpliterUgaDrawSetMode (\r | |
751 | IN EFI_UGA_DRAW_PROTOCOL *This,\r | |
752 | IN UINT32 HorizontalResolution,\r | |
753 | IN UINT32 VerticalResolution,\r | |
754 | IN UINT32 ColorDepth,\r | |
755 | IN UINT32 RefreshRate\r | |
756 | )\r | |
d0c64728 | 757 | {\r |
758 | EFI_STATUS Status;\r | |
759 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
760 | UINTN Index;\r | |
761 | EFI_STATUS ReturnStatus;\r | |
762 | UINTN Size;\r | |
763 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
764 | UINTN NumberIndex;\r | |
765 | UINTN SizeOfInfo;\r | |
766 | EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r | |
767 | EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r | |
768 | \r | |
769 | Private = UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
770 | \r | |
771 | //\r | |
772 | // UgaDevNullSetMode ()\r | |
773 | //\r | |
774 | ReturnStatus = EFI_SUCCESS;\r | |
775 | \r | |
776 | //\r | |
777 | // Free the old version\r | |
778 | //\r | |
779 | if (Private->UgaBlt != NULL) {\r | |
780 | FreePool (Private->UgaBlt);\r | |
781 | }\r | |
782 | \r | |
783 | //\r | |
784 | // Allocate the virtual Blt buffer\r | |
785 | //\r | |
786 | Size = HorizontalResolution * VerticalResolution * sizeof (EFI_UGA_PIXEL);\r | |
787 | Private->UgaBlt = AllocateZeroPool (Size);\r | |
788 | if (Private->UgaBlt == NULL) {\r | |
789 | return EFI_OUT_OF_RESOURCES;\r | |
790 | }\r | |
791 | \r | |
792 | //\r | |
793 | // Update the Mode data\r | |
794 | //\r | |
795 | Private->UgaHorizontalResolution = HorizontalResolution;\r | |
796 | Private->UgaVerticalResolution = VerticalResolution;\r | |
797 | Private->UgaColorDepth = ColorDepth;\r | |
798 | Private->UgaRefreshRate = RefreshRate;\r | |
799 | \r | |
800 | if (Private->ConsoleOutputMode != EfiConsoleControlScreenGraphics) {\r | |
801 | return ReturnStatus;\r | |
802 | }\r | |
803 | //\r | |
804 | // return the worst status met\r | |
805 | //\r | |
806 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r | |
8541adab | 807 | \r |
808 | ReturnStatus = EFI_UNSUPPORTED;\r | |
809 | \r | |
2da292f6 | 810 | GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r |
811 | if (GraphicsOutput != NULL) {\r | |
812 | //\r | |
813 | // Find corresponding ModeNumber of this GraphicsOutput instance\r | |
814 | //\r | |
815 | for (NumberIndex = 0; NumberIndex < GraphicsOutput->Mode->MaxMode; NumberIndex ++) {\r | |
816 | Status = GraphicsOutput->QueryMode (GraphicsOutput, (UINT32) NumberIndex, &SizeOfInfo, &Info);\r | |
8541adab | 817 | if (EFI_ERROR (Status)) {\r |
2da292f6 | 818 | return Status;\r |
8541adab | 819 | }\r |
2da292f6 | 820 | if ((Info->HorizontalResolution == HorizontalResolution) && (Info->VerticalResolution == VerticalResolution)) {\r |
d0c64728 | 821 | FreePool (Info);\r |
2da292f6 | 822 | break;\r |
d0c64728 | 823 | }\r |
2da292f6 | 824 | FreePool (Info);\r |
825 | }\r | |
d0c64728 | 826 | \r |
2da292f6 | 827 | Status = GraphicsOutput->SetMode (GraphicsOutput, (UINT32) NumberIndex);\r |
828 | if (EFI_ERROR (Status)) {\r | |
829 | ReturnStatus = Status;\r | |
830 | }\r | |
831 | } else if (FeaturePcdGet (PcdUgaConsumeSupport)){\r | |
832 | UgaDraw = Private->TextOutList[Index].UgaDraw;\r | |
833 | if (UgaDraw != NULL) {\r | |
834 | Status = UgaDraw->SetMode (\r | |
835 | UgaDraw,\r | |
836 | HorizontalResolution,\r | |
837 | VerticalResolution,\r | |
838 | ColorDepth,\r | |
839 | RefreshRate\r | |
840 | );\r | |
d0c64728 | 841 | if (EFI_ERROR (Status)) {\r |
842 | ReturnStatus = Status;\r | |
843 | }\r | |
844 | }\r | |
ed055f1b | 845 | }\r |
d0c64728 | 846 | }\r |
847 | \r | |
848 | return ReturnStatus;\r | |
849 | }\r | |
850 | \r | |
33019a71 | 851 | /**\r |
2da292f6 | 852 | Blt a rectangle of pixels on the graphics screen.\r |
33019a71 | 853 | \r |
2da292f6 | 854 | The following table defines actions for BltOperations.\r |
33019a71 | 855 | \r |
2da292f6 | 856 | EfiUgaVideoFill:\r |
857 | Write data from the BltBuffer pixel (SourceX, SourceY)\r | |
858 | directly to every pixel of the video display rectangle\r | |
859 | (DestinationX, DestinationY)\r | |
860 | (DestinationX + Width, DestinationY + Height).\r | |
861 | Only one pixel will be used from the BltBuffer. Delta is NOT used.\r | |
ed055f1b | 862 | EfiUgaVideoToBltBuffer:\r |
2da292f6 | 863 | Read data from the video display rectangle\r |
864 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r | |
865 | the BltBuffer rectangle (DestinationX, DestinationY )\r | |
866 | (DestinationX + Width, DestinationY + Height). If DestinationX or\r | |
867 | DestinationY is not zero then Delta must be set to the length in bytes\r | |
868 | of a row in the BltBuffer.\r | |
869 | EfiUgaBltBufferToVideo:\r | |
870 | Write data from the BltBuffer rectangle\r | |
871 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r | |
872 | video display rectangle (DestinationX, DestinationY)\r | |
873 | (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r | |
874 | not zero then Delta must be set to the length in bytes of a row in the\r | |
875 | BltBuffer.\r | |
876 | EfiUgaVideoToVideo:\r | |
877 | Copy from the video display rectangle\r | |
878 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r | |
879 | to the video display rectangle (DestinationX, DestinationY)\r | |
880 | (DestinationX + Width, DestinationY + Height).\r | |
881 | The BltBuffer and Delta are not used in this mode.\r | |
882 | \r | |
883 | @param Private Text Out Splitter pointer.\r | |
33019a71 | 884 | @param BltBuffer Buffer containing data to blit into video buffer.\r |
885 | This buffer has a size of\r | |
886 | Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r | |
887 | @param BltOperation Operation to perform on BlitBuffer and video\r | |
888 | memory\r | |
889 | @param SourceX X coordinate of source for the BltBuffer.\r | |
890 | @param SourceY Y coordinate of source for the BltBuffer.\r | |
891 | @param DestinationX X coordinate of destination for the BltBuffer.\r | |
892 | @param DestinationY Y coordinate of destination for the BltBuffer.\r | |
893 | @param Width Width of rectangle in BltBuffer in pixels.\r | |
ed055f1b | 894 | @param Height Hight of rectangle in BltBuffer in pixels.\r |
33019a71 | 895 | @param Delta OPTIONAL.\r |
896 | \r | |
897 | @retval EFI_SUCCESS The Blt operation completed.\r | |
898 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
899 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video\r | |
900 | buffer.\r | |
901 | \r | |
902 | **/\r | |
d0c64728 | 903 | EFI_STATUS\r |
904 | DevNullUgaBlt (\r | |
905 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
906 | IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL\r | |
907 | IN EFI_UGA_BLT_OPERATION BltOperation,\r | |
908 | IN UINTN SourceX,\r | |
909 | IN UINTN SourceY,\r | |
910 | IN UINTN DestinationX,\r | |
911 | IN UINTN DestinationY,\r | |
912 | IN UINTN Width,\r | |
913 | IN UINTN Height,\r | |
914 | IN UINTN Delta OPTIONAL\r | |
915 | )\r | |
916 | {\r | |
917 | UINTN SrcY;\r | |
918 | BOOLEAN Forward;\r | |
919 | UINTN Index;\r | |
920 | EFI_UGA_PIXEL *BltPtr;\r | |
921 | EFI_UGA_PIXEL *ScreenPtr;\r | |
922 | UINT32 HorizontalResolution;\r | |
923 | UINT32 VerticalResolution;\r | |
924 | \r | |
925 | if ((BltOperation < 0) || (BltOperation >= EfiUgaBltMax)) {\r | |
926 | return EFI_INVALID_PARAMETER;\r | |
927 | }\r | |
928 | \r | |
929 | if (Width == 0 || Height == 0) {\r | |
930 | return EFI_INVALID_PARAMETER;\r | |
931 | }\r | |
932 | \r | |
933 | if (Delta == 0) {\r | |
934 | Delta = Width * sizeof (EFI_UGA_PIXEL);\r | |
935 | }\r | |
936 | \r | |
937 | HorizontalResolution = Private->UgaHorizontalResolution;\r | |
938 | VerticalResolution = Private->UgaVerticalResolution;\r | |
939 | \r | |
940 | //\r | |
941 | // We need to fill the Virtual Screen buffer with the blt data.\r | |
942 | //\r | |
943 | if (BltOperation == EfiUgaVideoToBltBuffer) {\r | |
944 | //\r | |
945 | // Video to BltBuffer: Source is Video, destination is BltBuffer\r | |
946 | //\r | |
947 | if ((SourceY + Height) > VerticalResolution) {\r | |
948 | return EFI_INVALID_PARAMETER;\r | |
949 | }\r | |
950 | \r | |
951 | if ((SourceX + Width) > HorizontalResolution) {\r | |
952 | return EFI_INVALID_PARAMETER;\r | |
953 | }\r | |
954 | \r | |
955 | BltPtr = (EFI_UGA_PIXEL *) ((UINT8 *) BltBuffer + DestinationY * Delta + DestinationX * sizeof (EFI_UGA_PIXEL));\r | |
956 | ScreenPtr = &Private->UgaBlt[SourceY * HorizontalResolution + SourceX];\r | |
a4d608d1 | 957 | while (Height > 0) {\r |
d0c64728 | 958 | CopyMem (BltPtr, ScreenPtr, Width * sizeof (EFI_UGA_PIXEL));\r |
959 | BltPtr = (EFI_UGA_PIXEL *) ((UINT8 *) BltPtr + Delta);\r | |
960 | ScreenPtr += HorizontalResolution;\r | |
961 | Height--;\r | |
962 | }\r | |
963 | } else {\r | |
964 | //\r | |
965 | // BltBuffer to Video: Source is BltBuffer, destination is Video\r | |
966 | //\r | |
967 | if (DestinationY + Height > VerticalResolution) {\r | |
968 | return EFI_INVALID_PARAMETER;\r | |
969 | }\r | |
970 | \r | |
971 | if (DestinationX + Width > HorizontalResolution) {\r | |
972 | return EFI_INVALID_PARAMETER;\r | |
973 | }\r | |
974 | \r | |
975 | if ((BltOperation == EfiUgaVideoToVideo) && (DestinationY > SourceY)) {\r | |
976 | //\r | |
977 | // Copy backwards, only care the Video to Video Blt\r | |
978 | //\r | |
979 | ScreenPtr = &Private->UgaBlt[(DestinationY + Height - 1) * HorizontalResolution + DestinationX];\r | |
980 | SrcY = SourceY + Height - 1;\r | |
981 | Forward = FALSE;\r | |
982 | } else {\r | |
983 | //\r | |
984 | // Copy forwards, for other cases\r | |
985 | //\r | |
986 | ScreenPtr = &Private->UgaBlt[DestinationY * HorizontalResolution + DestinationX];\r | |
987 | SrcY = SourceY;\r | |
988 | Forward = TRUE;\r | |
989 | }\r | |
990 | \r | |
991 | while (Height != 0) {\r | |
992 | if (BltOperation == EfiUgaVideoFill) {\r | |
993 | for (Index = 0; Index < Width; Index++) {\r | |
994 | ScreenPtr[Index] = *BltBuffer;\r | |
995 | }\r | |
996 | } else {\r | |
997 | if (BltOperation == EfiUgaBltBufferToVideo) {\r | |
998 | BltPtr = (EFI_UGA_PIXEL *) ((UINT8 *) BltBuffer + SrcY * Delta + SourceX * sizeof (EFI_UGA_PIXEL));\r | |
999 | } else {\r | |
1000 | BltPtr = &Private->UgaBlt[SrcY * HorizontalResolution + SourceX];\r | |
1001 | }\r | |
1002 | \r | |
1003 | CopyMem (ScreenPtr, BltPtr, Width * sizeof (EFI_UGA_PIXEL));\r | |
1004 | }\r | |
1005 | \r | |
1006 | if (Forward) {\r | |
1007 | ScreenPtr += HorizontalResolution;\r | |
1008 | SrcY ++;\r | |
1009 | } else {\r | |
1010 | ScreenPtr -= HorizontalResolution;\r | |
1011 | SrcY --;\r | |
1012 | }\r | |
1013 | Height--;\r | |
1014 | }\r | |
1015 | }\r | |
1016 | \r | |
1017 | return EFI_SUCCESS;\r | |
1018 | }\r | |
1019 | \r | |
a4d608d1 | 1020 | /**\r |
2da292f6 | 1021 | Blt a rectangle of pixels on the graphics screen.\r |
a4d608d1 | 1022 | \r |
2da292f6 | 1023 | The following table defines actions for BltOperations.\r |
a4d608d1 | 1024 | \r |
2da292f6 | 1025 | EfiUgaVideoFill:\r |
1026 | Write data from the BltBuffer pixel (SourceX, SourceY)\r | |
1027 | directly to every pixel of the video display rectangle\r | |
1028 | (DestinationX, DestinationY)\r | |
1029 | (DestinationX + Width, DestinationY + Height).\r | |
1030 | Only one pixel will be used from the BltBuffer. Delta is NOT used.\r | |
ed055f1b | 1031 | EfiUgaVideoToBltBuffer:\r |
2da292f6 | 1032 | Read data from the video display rectangle\r |
1033 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r | |
1034 | the BltBuffer rectangle (DestinationX, DestinationY )\r | |
1035 | (DestinationX + Width, DestinationY + Height). If DestinationX or\r | |
1036 | DestinationY is not zero then Delta must be set to the length in bytes\r | |
1037 | of a row in the BltBuffer.\r | |
1038 | EfiUgaBltBufferToVideo:\r | |
1039 | Write data from the BltBuffer rectangle\r | |
1040 | (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r | |
1041 | video display rectangle (DestinationX, DestinationY)\r | |
1042 | (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r | |
1043 | not zero then Delta must be set to the length in bytes of a row in the\r | |
1044 | BltBuffer.\r | |
1045 | EfiUgaVideoToVideo:\r | |
1046 | 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. This\r | |
1054 | buffer has a size of Width*Height*sizeof(EFI_UGA_PIXEL)\r | |
1055 | @param BltOperation Operation to perform on BlitBuffer and video memory\r | |
1056 | @param SourceX X coordinate of source for the BltBuffer.\r | |
1057 | @param SourceY Y coordinate of source for the BltBuffer.\r | |
1058 | @param DestinationX X coordinate of destination for the BltBuffer.\r | |
1059 | @param DestinationY Y coordinate of destination for the BltBuffer.\r | |
1060 | @param Width Width of rectangle in BltBuffer in pixels.\r | |
1061 | @param Height Hight of rectangle in BltBuffer in pixels.\r | |
1062 | @param Delta OPTIONAL\r | |
1063 | \r | |
1064 | @retval EFI_SUCCESS The Blt operation completed.\r | |
1065 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
1066 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.\r | |
a4d608d1 | 1067 | \r |
1068 | **/\r | |
d0c64728 | 1069 | EFI_STATUS\r |
1070 | EFIAPI\r | |
1071 | ConSpliterUgaDrawBlt (\r | |
1072 | IN EFI_UGA_DRAW_PROTOCOL *This,\r | |
1073 | IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL\r | |
1074 | IN EFI_UGA_BLT_OPERATION BltOperation,\r | |
1075 | IN UINTN SourceX,\r | |
1076 | IN UINTN SourceY,\r | |
1077 | IN UINTN DestinationX,\r | |
1078 | IN UINTN DestinationY,\r | |
1079 | IN UINTN Width,\r | |
1080 | IN UINTN Height,\r | |
1081 | IN UINTN Delta OPTIONAL\r | |
1082 | )\r | |
d0c64728 | 1083 | {\r |
1084 | EFI_STATUS Status;\r | |
1085 | TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r | |
1086 | UINTN Index;\r | |
1087 | EFI_STATUS ReturnStatus;\r | |
1088 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
1089 | \r | |
1090 | Private = UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS (This);\r | |
1091 | \r | |
1092 | //\r | |
1093 | // Sync up DevNull UGA device\r | |
1094 | //\r | |
1095 | ReturnStatus = DevNullUgaBlt (\r | |
1096 | Private,\r | |
1097 | BltBuffer,\r | |
1098 | BltOperation,\r | |
1099 | SourceX,\r | |
1100 | SourceY,\r | |
1101 | DestinationX,\r | |
1102 | DestinationY,\r | |
1103 | Width,\r | |
1104 | Height,\r | |
1105 | Delta\r | |
1106 | );\r | |
1107 | if (Private->ConsoleOutputMode != EfiConsoleControlScreenGraphics) {\r | |
1108 | return ReturnStatus;\r | |
1109 | }\r | |
1110 | //\r | |
1111 | // return the worst status met\r | |
1112 | //\r | |
1113 | for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {\r | |
1114 | GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r | |
1115 | if (GraphicsOutput != NULL) {\r | |
1116 | Status = GraphicsOutput->Blt (\r | |
1117 | GraphicsOutput,\r | |
1118 | (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) BltBuffer,\r | |
1119 | (EFI_GRAPHICS_OUTPUT_BLT_OPERATION) BltOperation,\r | |
1120 | SourceX,\r | |
1121 | SourceY,\r | |
1122 | DestinationX,\r | |
1123 | DestinationY,\r | |
1124 | Width,\r | |
1125 | Height,\r | |
1126 | Delta\r | |
1127 | );\r | |
1128 | if (EFI_ERROR (Status)) {\r | |
1129 | ReturnStatus = Status;\r | |
1130 | } else if (BltOperation == EfiBltVideoToBltBuffer) {\r | |
1131 | //\r | |
1132 | // Only need to read the data into buffer one time\r | |
1133 | //\r | |
1134 | return EFI_SUCCESS;\r | |
1135 | }\r | |
1136 | }\r | |
1137 | \r | |
8541adab | 1138 | if (Private->TextOutList[Index].UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
d0c64728 | 1139 | Status = Private->TextOutList[Index].UgaDraw->Blt (\r |
1140 | Private->TextOutList[Index].UgaDraw,\r | |
1141 | BltBuffer,\r | |
1142 | BltOperation,\r | |
1143 | SourceX,\r | |
1144 | SourceY,\r | |
1145 | DestinationX,\r | |
1146 | DestinationY,\r | |
1147 | Width,\r | |
1148 | Height,\r | |
1149 | Delta\r | |
1150 | );\r | |
1151 | if (EFI_ERROR (Status)) {\r | |
1152 | ReturnStatus = Status;\r | |
1153 | } else if (BltOperation == EfiUgaVideoToBltBuffer) {\r | |
1154 | //\r | |
1155 | // Only need to read the data into buffer one time\r | |
1156 | //\r | |
1157 | return EFI_SUCCESS;\r | |
1158 | }\r | |
1159 | }\r | |
1160 | }\r | |
1161 | \r | |
1162 | return ReturnStatus;\r | |
1163 | }\r | |
1164 | \r | |
33019a71 | 1165 | /**\r |
ed055f1b | 1166 | Write data from the buffer to video display based on UGA Draw setting.\r |
33019a71 | 1167 | \r |
1168 | @param Private Consplitter Text Out pointer.\r | |
1169 | @param GraphicsOutput Graphics Output protocol pointer.\r | |
1170 | @param UgaDraw UGA Draw protocol pointer.\r | |
1171 | \r | |
1172 | @retval EFI_UNSUPPORTED No graphics devcie available .\r | |
1173 | @retval EFI_SUCCESS The Blt operation completed.\r | |
1174 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
1175 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.\r | |
ed055f1b | 1176 | \r |
33019a71 | 1177 | **/\r |
d0c64728 | 1178 | EFI_STATUS\r |
1179 | DevNullUgaSync (\r | |
1180 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1181 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,\r | |
1182 | IN EFI_UGA_DRAW_PROTOCOL *UgaDraw\r | |
1183 | )\r | |
1184 | {\r | |
2da292f6 | 1185 | if (GraphicsOutput != NULL) {\r |
1186 | return GraphicsOutput->Blt (\r | |
1187 | GraphicsOutput,\r | |
1188 | (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) Private->UgaBlt,\r | |
1189 | EfiBltBufferToVideo,\r | |
d0c64728 | 1190 | 0,\r |
1191 | 0,\r | |
1192 | 0,\r | |
1193 | 0,\r | |
1194 | Private->UgaHorizontalResolution,\r | |
1195 | Private->UgaVerticalResolution,\r | |
2da292f6 | 1196 | 0\r |
d0c64728 | 1197 | );\r |
2da292f6 | 1198 | } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r |
1199 | return UgaDraw->Blt (\r | |
1200 | UgaDraw,\r | |
1201 | Private->UgaBlt,\r | |
1202 | EfiUgaBltBufferToVideo,\r | |
d0c64728 | 1203 | 0,\r |
1204 | 0,\r | |
1205 | 0,\r | |
1206 | 0,\r | |
1207 | Private->UgaHorizontalResolution,\r | |
1208 | Private->UgaVerticalResolution,\r | |
2da292f6 | 1209 | Private->UgaHorizontalResolution * sizeof (EFI_UGA_PIXEL)\r |
d0c64728 | 1210 | );\r |
8541adab | 1211 | } else {\r |
1212 | return EFI_UNSUPPORTED;\r | |
d0c64728 | 1213 | }\r |
1214 | }\r | |
95276127 | 1215 | \r |
a4d608d1 | 1216 | \r |
1217 | /**\r | |
1218 | Write a Unicode string to the output device.\r | |
1219 | \r | |
1220 | @param Private Pointer to the console output splitter's private\r | |
1221 | data. It indicates the calling context.\r | |
1222 | @param WString The NULL-terminated Unicode string to be\r | |
1223 | displayed on the output device(s). All output\r | |
1224 | devices must also support the Unicode drawing\r | |
1225 | defined in this file.\r | |
1226 | \r | |
1227 | @retval EFI_SUCCESS The string was output to the device.\r | |
1228 | @retval EFI_DEVICE_ERROR The device reported an error while attempting to\r | |
1229 | output the text.\r | |
1230 | @retval EFI_UNSUPPORTED The output device's mode is not currently in a\r | |
1231 | defined text mode.\r | |
1232 | @retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the\r | |
1233 | characters in the Unicode string could not be\r | |
1234 | rendered and were skipped.\r | |
1235 | \r | |
1236 | **/\r | |
95276127 | 1237 | EFI_STATUS\r |
1238 | DevNullTextOutOutputString (\r | |
1239 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1240 | IN CHAR16 *WString\r | |
1241 | )\r | |
95276127 | 1242 | {\r |
1243 | UINTN SizeScreen;\r | |
1244 | UINTN SizeAttribute;\r | |
1245 | UINTN Index;\r | |
1246 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
1247 | CHAR16 *Screen;\r | |
1248 | CHAR16 *NullScreen;\r | |
1249 | CHAR16 InsertChar;\r | |
1250 | CHAR16 TempChar;\r | |
1251 | CHAR16 *PStr;\r | |
1252 | INT32 *Attribute;\r | |
1253 | INT32 *NullAttributes;\r | |
1254 | INT32 CurrentWidth;\r | |
1255 | UINTN LastRow;\r | |
1256 | UINTN MaxColumn;\r | |
1257 | \r | |
1258 | Mode = &Private->TextOutMode;\r | |
1259 | NullScreen = Private->DevNullScreen;\r | |
1260 | NullAttributes = Private->DevNullAttributes;\r | |
1261 | LastRow = Private->DevNullRows - 1;\r | |
1262 | MaxColumn = Private->DevNullColumns;\r | |
1263 | \r | |
ed055f1b | 1264 | if ((Mode->Attribute & EFI_WIDE_ATTRIBUTE) != 0) {\r |
95276127 | 1265 | CurrentWidth = 2;\r |
1266 | } else {\r | |
1267 | CurrentWidth = 1;\r | |
1268 | }\r | |
1269 | \r | |
a4d608d1 | 1270 | while (*WString != L'\0') {\r |
95276127 | 1271 | \r |
1272 | if (*WString == CHAR_BACKSPACE) {\r | |
1273 | //\r | |
1274 | // If the cursor is at the left edge of the display, then move the cursor\r | |
1275 | // one row up.\r | |
1276 | //\r | |
1277 | if (Mode->CursorColumn == 0 && Mode->CursorRow > 0) {\r | |
1278 | Mode->CursorRow--;\r | |
1279 | Mode->CursorColumn = (INT32) MaxColumn;\r | |
1280 | }\r | |
1281 | \r | |
1282 | //\r | |
1283 | // If the cursor is not at the left edge of the display,\r | |
1284 | // then move the cursor left one column.\r | |
1285 | //\r | |
1286 | if (Mode->CursorColumn > 0) {\r | |
1287 | Mode->CursorColumn--;\r | |
1288 | if (Mode->CursorColumn > 0 &&\r | |
1289 | NullAttributes[Mode->CursorRow * MaxColumn + Mode->CursorColumn - 1] & EFI_WIDE_ATTRIBUTE\r | |
1290 | ) {\r | |
1291 | Mode->CursorColumn--;\r | |
1292 | \r | |
1293 | //\r | |
1294 | // Insert an extra backspace\r | |
1295 | //\r | |
1296 | InsertChar = CHAR_BACKSPACE;\r | |
1297 | PStr = WString + 1;\r | |
a4d608d1 | 1298 | while (*PStr != L'\0') {\r |
95276127 | 1299 | TempChar = *PStr;\r |
1300 | *PStr = InsertChar;\r | |
1301 | InsertChar = TempChar;\r | |
1302 | PStr++;\r | |
1303 | }\r | |
1304 | \r | |
1305 | *PStr = InsertChar;\r | |
1306 | *(++PStr) = 0;\r | |
1307 | \r | |
1308 | WString++;\r | |
1309 | }\r | |
1310 | }\r | |
1311 | \r | |
1312 | WString++;\r | |
1313 | \r | |
1314 | } else if (*WString == CHAR_LINEFEED) {\r | |
1315 | //\r | |
1316 | // If the cursor is at the bottom of the display,\r | |
1317 | // then scroll the display one row, and do not update\r | |
1318 | // the cursor position. Otherwise, move the cursor down one row.\r | |
1319 | //\r | |
1320 | if (Mode->CursorRow == (INT32) (LastRow)) {\r | |
1321 | //\r | |
1322 | // Scroll Screen Up One Row\r | |
1323 | //\r | |
1324 | SizeAttribute = LastRow * MaxColumn;\r | |
1325 | CopyMem (\r | |
1326 | NullAttributes,\r | |
1327 | NullAttributes + MaxColumn,\r | |
1328 | SizeAttribute * sizeof (INT32)\r | |
1329 | );\r | |
1330 | \r | |
1331 | //\r | |
1332 | // Each row has an ending CHAR_NULL. So one more character each line\r | |
1333 | // for DevNullScreen than DevNullAttributes\r | |
1334 | //\r | |
1335 | SizeScreen = SizeAttribute + LastRow;\r | |
1336 | CopyMem (\r | |
1337 | NullScreen,\r | |
1338 | NullScreen + (MaxColumn + 1),\r | |
1339 | SizeScreen * sizeof (CHAR16)\r | |
1340 | );\r | |
1341 | \r | |
1342 | //\r | |
1343 | // Print Blank Line at last line\r | |
1344 | //\r | |
1345 | Screen = NullScreen + SizeScreen;\r | |
1346 | Attribute = NullAttributes + SizeAttribute;\r | |
1347 | \r | |
1348 | for (Index = 0; Index < MaxColumn; Index++, Screen++, Attribute++) {\r | |
4b5c4fba | 1349 | *Screen = L' ';\r |
95276127 | 1350 | *Attribute = Mode->Attribute;\r |
1351 | }\r | |
1352 | } else {\r | |
1353 | Mode->CursorRow++;\r | |
1354 | }\r | |
1355 | \r | |
1356 | WString++;\r | |
1357 | } else if (*WString == CHAR_CARRIAGE_RETURN) {\r | |
1358 | //\r | |
1359 | // Move the cursor to the beginning of the current row.\r | |
1360 | //\r | |
1361 | Mode->CursorColumn = 0;\r | |
1362 | WString++;\r | |
1363 | } else {\r | |
1364 | //\r | |
1365 | // Print the character at the current cursor position and\r | |
1366 | // move the cursor right one column. If this moves the cursor\r | |
1367 | // past the right edge of the display, then the line should wrap to\r | |
1368 | // the beginning of the next line. This is equivalent to inserting\r | |
1369 | // a CR and an LF. Note that if the cursor is at the bottom of the\r | |
1370 | // display, and the line wraps, then the display will be scrolled\r | |
1371 | // one line.\r | |
1372 | //\r | |
1373 | Index = Mode->CursorRow * MaxColumn + Mode->CursorColumn;\r | |
1374 | \r | |
1375 | while (Mode->CursorColumn < (INT32) MaxColumn) {\r | |
1376 | if (*WString == CHAR_NULL) {\r | |
1377 | break;\r | |
1378 | }\r | |
1379 | \r | |
1380 | if (*WString == CHAR_BACKSPACE) {\r | |
1381 | break;\r | |
1382 | }\r | |
1383 | \r | |
1384 | if (*WString == CHAR_LINEFEED) {\r | |
1385 | break;\r | |
1386 | }\r | |
1387 | \r | |
1388 | if (*WString == CHAR_CARRIAGE_RETURN) {\r | |
1389 | break;\r | |
1390 | }\r | |
1391 | \r | |
97a079ed A |
1392 | if (*WString == UNICODE_WIDE_CHAR || *WString == UNICODE_NARROW_CHAR) {\r |
1393 | CurrentWidth = (*WString == UNICODE_WIDE_CHAR) ? 2 : 1;\r | |
95276127 | 1394 | WString++;\r |
1395 | continue;\r | |
1396 | }\r | |
1397 | \r | |
1398 | if (Mode->CursorColumn + CurrentWidth > (INT32) MaxColumn) {\r | |
1399 | //\r | |
1400 | // If a wide char is at the rightmost column, then move the char\r | |
1401 | // to the beginning of the next row\r | |
1402 | //\r | |
1403 | NullScreen[Index + Mode->CursorRow] = L' ';\r | |
1404 | NullAttributes[Index] = Mode->Attribute | (UINT32) EFI_WIDE_ATTRIBUTE;\r | |
1405 | Index++;\r | |
1406 | Mode->CursorColumn++;\r | |
1407 | } else {\r | |
1408 | NullScreen[Index + Mode->CursorRow] = *WString;\r | |
1409 | NullAttributes[Index] = Mode->Attribute;\r | |
1410 | if (CurrentWidth == 1) {\r | |
1411 | NullAttributes[Index] &= (~ (UINT32) EFI_WIDE_ATTRIBUTE);\r | |
1412 | } else {\r | |
1413 | NullAttributes[Index] |= (UINT32) EFI_WIDE_ATTRIBUTE;\r | |
1414 | NullAttributes[Index + 1] &= (~ (UINT32) EFI_WIDE_ATTRIBUTE);\r | |
1415 | }\r | |
1416 | \r | |
1417 | Index += CurrentWidth;\r | |
1418 | WString++;\r | |
1419 | Mode->CursorColumn += CurrentWidth;\r | |
1420 | }\r | |
1421 | }\r | |
1422 | //\r | |
1423 | // At the end of line, output carriage return and line feed\r | |
1424 | //\r | |
1425 | if (Mode->CursorColumn >= (INT32) MaxColumn) {\r | |
1426 | DevNullTextOutOutputString (Private, mCrLfString);\r | |
1427 | }\r | |
1428 | }\r | |
1429 | }\r | |
1430 | \r | |
1431 | return EFI_SUCCESS;\r | |
1432 | }\r | |
1433 | \r | |
a4d608d1 | 1434 | \r |
1435 | /**\r | |
1436 | Sets the output device(s) to a specified mode.\r | |
1437 | \r | |
2da292f6 | 1438 | @param Private Text Out Splitter pointer.\r |
a4d608d1 | 1439 | @param ModeNumber The mode number to set.\r |
1440 | \r | |
1441 | @retval EFI_SUCCESS The requested text mode was set.\r | |
1442 | @retval EFI_DEVICE_ERROR The device had an error and could not complete\r | |
1443 | the request.\r | |
1444 | @retval EFI_UNSUPPORTED The mode number was not valid.\r | |
1445 | @retval EFI_OUT_OF_RESOURCES Out of resources.\r | |
1446 | \r | |
1447 | **/\r | |
95276127 | 1448 | EFI_STATUS\r |
1449 | DevNullTextOutSetMode (\r | |
1450 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1451 | IN UINTN ModeNumber\r | |
1452 | )\r | |
95276127 | 1453 | {\r |
1454 | UINTN Size;\r | |
3012ce5c | 1455 | INT32 CurrentMode;\r |
95276127 | 1456 | UINTN Row;\r |
1457 | UINTN Column;\r | |
1458 | TEXT_OUT_SPLITTER_QUERY_DATA *Mode;\r | |
1459 | \r | |
1460 | //\r | |
1461 | // No extra check for ModeNumber here, as it has been checked in\r | |
1462 | // ConSplitterTextOutSetMode. And mode 0 should always be supported.\r | |
3012ce5c | 1463 | // Row and Column should be fetched from intersection map.\r |
95276127 | 1464 | //\r |
3012ce5c | 1465 | if (Private->TextOutModeMap != NULL) {\r |
1466 | CurrentMode = *(Private->TextOutModeMap + Private->TextOutListCount * ModeNumber);\r | |
1467 | } else {\r | |
fc753d3b | 1468 | CurrentMode = (INT32) (ModeNumber);\r |
3012ce5c | 1469 | }\r |
1470 | Mode = &(Private->TextOutQueryData[CurrentMode]);\r | |
95276127 | 1471 | Row = Mode->Rows;\r |
1472 | Column = Mode->Columns;\r | |
1473 | \r | |
f890b1e0 | 1474 | if (Row == 0 || Column == 0) {\r |
95276127 | 1475 | return EFI_UNSUPPORTED;\r |
1476 | }\r | |
1477 | \r | |
189eac21 | 1478 | if (Private->TextOutMode.Mode != (INT32) ModeNumber) {\r |
95276127 | 1479 | \r |
1480 | Private->TextOutMode.Mode = (INT32) ModeNumber;\r | |
1481 | Private->DevNullColumns = Column;\r | |
1482 | Private->DevNullRows = Row;\r | |
1483 | \r | |
1484 | if (Private->DevNullScreen != NULL) {\r | |
1485 | FreePool (Private->DevNullScreen);\r | |
1486 | }\r | |
1487 | \r | |
1488 | Size = (Row * (Column + 1)) * sizeof (CHAR16);\r | |
1489 | Private->DevNullScreen = AllocateZeroPool (Size);\r | |
1490 | if (Private->DevNullScreen == NULL) {\r | |
1491 | return EFI_OUT_OF_RESOURCES;\r | |
1492 | }\r | |
1493 | \r | |
1494 | if (Private->DevNullAttributes != NULL) {\r | |
1495 | FreePool (Private->DevNullAttributes);\r | |
1496 | }\r | |
1497 | \r | |
1498 | Size = Row * Column * sizeof (INT32);\r | |
1499 | Private->DevNullAttributes = AllocateZeroPool (Size);\r | |
1500 | if (Private->DevNullAttributes == NULL) {\r | |
1501 | return EFI_OUT_OF_RESOURCES;\r | |
1502 | }\r | |
1503 | }\r | |
1504 | \r | |
1505 | DevNullTextOutClearScreen (Private);\r | |
1506 | \r | |
1507 | return EFI_SUCCESS;\r | |
1508 | }\r | |
1509 | \r | |
95276127 | 1510 | \r |
a4d608d1 | 1511 | /**\r |
1512 | Clears the output device(s) display to the currently selected background\r | |
1513 | color.\r | |
95276127 | 1514 | \r |
2da292f6 | 1515 | @param Private Text Out Splitter pointer.\r |
95276127 | 1516 | \r |
a4d608d1 | 1517 | @retval EFI_SUCCESS The operation completed successfully.\r |
1518 | @retval EFI_DEVICE_ERROR The device had an error and could not complete\r | |
1519 | the request.\r | |
1520 | @retval EFI_UNSUPPORTED The output device is not in a valid text mode.\r | |
95276127 | 1521 | \r |
a4d608d1 | 1522 | **/\r |
1523 | EFI_STATUS\r | |
1524 | DevNullTextOutClearScreen (\r | |
1525 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private\r | |
1526 | )\r | |
95276127 | 1527 | {\r |
1528 | UINTN Row;\r | |
1529 | UINTN Column;\r | |
1530 | CHAR16 *Screen;\r | |
1531 | INT32 *Attributes;\r | |
1532 | INT32 CurrentAttribute;\r | |
1533 | \r | |
1534 | //\r | |
1535 | // Clear the DevNull Text Out Buffers.\r | |
1536 | // The screen is filled with spaces.\r | |
1537 | // The attributes are all synced with the current Simple Text Out Attribute\r | |
1538 | //\r | |
1539 | Screen = Private->DevNullScreen;\r | |
1540 | Attributes = Private->DevNullAttributes;\r | |
1541 | CurrentAttribute = Private->TextOutMode.Attribute;\r | |
1542 | \r | |
1543 | for (Row = 0; Row < Private->DevNullRows; Row++) {\r | |
1544 | for (Column = 0; Column < Private->DevNullColumns; Column++, Screen++, Attributes++) {\r | |
4b5c4fba | 1545 | *Screen = L' ';\r |
95276127 | 1546 | *Attributes = CurrentAttribute;\r |
1547 | }\r | |
1548 | //\r | |
1549 | // Each line of the screen has a NULL on the end so we must skip over it\r | |
1550 | //\r | |
1551 | Screen++;\r | |
1552 | }\r | |
1553 | \r | |
1554 | DevNullTextOutSetCursorPosition (Private, 0, 0);\r | |
1555 | \r | |
1556 | return DevNullTextOutEnableCursor (Private, TRUE);\r | |
1557 | }\r | |
1558 | \r | |
a4d608d1 | 1559 | \r |
1560 | /**\r | |
f890b1e0 | 1561 | Sets the current coordinates of the cursor position on NULL device.\r |
a4d608d1 | 1562 | \r |
f890b1e0 | 1563 | @param Private Text Out Splitter pointer.\r |
1564 | @param Column The column position to set the cursor to. Must be\r | |
1565 | greater than or equal to zero and less than the\r | |
1566 | number of columns by QueryMode ().\r | |
1567 | @param Row The row position to set the cursor to. Must be\r | |
1568 | greater than or equal to zero and less than the\r | |
1569 | number of rows by QueryMode ().\r | |
a4d608d1 | 1570 | \r |
f890b1e0 | 1571 | @retval EFI_SUCCESS Always returned.\r |
a4d608d1 | 1572 | \r |
1573 | **/\r | |
95276127 | 1574 | EFI_STATUS\r |
1575 | DevNullTextOutSetCursorPosition (\r | |
1576 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1577 | IN UINTN Column,\r | |
1578 | IN UINTN Row\r | |
1579 | )\r | |
95276127 | 1580 | {\r |
1581 | //\r | |
1582 | // No need to do extra check here as whether (Column, Row) is valid has\r | |
1583 | // been checked in ConSplitterTextOutSetCursorPosition. And (0, 0) should\r | |
1584 | // always be supported.\r | |
1585 | //\r | |
1586 | Private->TextOutMode.CursorColumn = (INT32) Column;\r | |
1587 | Private->TextOutMode.CursorRow = (INT32) Row;\r | |
1588 | \r | |
1589 | return EFI_SUCCESS;\r | |
1590 | }\r | |
1591 | \r | |
a4d608d1 | 1592 | \r |
1593 | /**\r | |
f890b1e0 | 1594 | Set cursor visibility property on NULL device.\r |
a4d608d1 | 1595 | \r |
2da292f6 | 1596 | @param Private Text Out Splitter pointer.\r |
a4d608d1 | 1597 | @param Visible If TRUE, the cursor is set to be visible, If\r |
1598 | FALSE, the cursor is set to be invisible.\r | |
1599 | \r | |
f890b1e0 | 1600 | @retval EFI_SUCCESS Always returned.\r |
a4d608d1 | 1601 | \r |
1602 | **/\r | |
95276127 | 1603 | EFI_STATUS\r |
1604 | DevNullTextOutEnableCursor (\r | |
1605 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,\r | |
1606 | IN BOOLEAN Visible\r | |
1607 | )\r | |
95276127 | 1608 | {\r |
1609 | Private->TextOutMode.CursorVisible = Visible;\r | |
1610 | \r | |
1611 | return EFI_SUCCESS;\r | |
1612 | }\r | |
1613 | \r | |
a4d608d1 | 1614 | \r |
1615 | /**\r | |
1616 | Take the DevNull TextOut device and update the Simple Text Out on every\r | |
1617 | UGA device.\r | |
1618 | \r | |
2da292f6 | 1619 | @param Private Text Out Splitter pointer.\r |
a4d608d1 | 1620 | \r |
1621 | @retval EFI_SUCCESS The request is valid.\r | |
1622 | @retval other Return status of TextOut->OutputString ()\r | |
1623 | \r | |
1624 | **/\r | |
95276127 | 1625 | EFI_STATUS\r |
aec072ad | 1626 | DevNullSyncStdOut (\r |
95276127 | 1627 | IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private\r |
1628 | )\r | |
95276127 | 1629 | {\r |
1630 | EFI_STATUS Status;\r | |
1631 | EFI_STATUS ReturnStatus;\r | |
1632 | UINTN Row;\r | |
1633 | UINTN Column;\r | |
1634 | UINTN List;\r | |
1635 | UINTN MaxColumn;\r | |
1636 | UINTN CurrentColumn;\r | |
1637 | UINTN StartRow;\r | |
1638 | UINTN StartColumn;\r | |
1639 | INT32 StartAttribute;\r | |
1640 | BOOLEAN StartCursorState;\r | |
1641 | CHAR16 *Screen;\r | |
1642 | CHAR16 *Str;\r | |
1643 | CHAR16 *Buffer;\r | |
1644 | CHAR16 *BufferTail;\r | |
1645 | CHAR16 *ScreenStart;\r | |
1646 | INT32 CurrentAttribute;\r | |
1647 | INT32 *Attributes;\r | |
1648 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Sto;\r | |
1649 | \r | |
1650 | //\r | |
1651 | // Save the devices Attributes, Cursor enable state and location\r | |
1652 | //\r | |
1653 | StartColumn = Private->TextOutMode.CursorColumn;\r | |
1654 | StartRow = Private->TextOutMode.CursorRow;\r | |
1655 | StartAttribute = Private->TextOutMode.Attribute;\r | |
1656 | StartCursorState = Private->TextOutMode.CursorVisible;\r | |
1657 | \r | |
1658 | for (List = 0; List < Private->CurrentNumberOfConsoles; List++) {\r | |
1659 | \r | |
1660 | Sto = Private->TextOutList[List].TextOut;\r | |
1661 | \r | |
1662 | //\r | |
1663 | // Skip non GOP/UGA devices\r | |
1664 | //\r | |
1665 | if ((Private->TextOutList[List].GraphicsOutput != NULL) || (Private->TextOutList[List].UgaDraw != NULL)) {\r | |
1666 | Sto->EnableCursor (Sto, FALSE);\r | |
1667 | Sto->ClearScreen (Sto);\r | |
1668 | }\r | |
1669 | }\r | |
1670 | \r | |
1671 | ReturnStatus = EFI_SUCCESS;\r | |
1672 | Screen = Private->DevNullScreen;\r | |
1673 | Attributes = Private->DevNullAttributes;\r | |
1674 | MaxColumn = Private->DevNullColumns;\r | |
1675 | \r | |
1676 | Buffer = AllocateZeroPool ((MaxColumn + 1) * sizeof (CHAR16));\r | |
cc79cef9 | 1677 | if (Buffer == NULL) {\r |
1678 | return ReturnStatus;\r | |
1679 | }\r | |
95276127 | 1680 | \r |
1681 | for (Row = 0; Row < Private->DevNullRows; Row++, Screen += (MaxColumn + 1), Attributes += MaxColumn) {\r | |
1682 | \r | |
1683 | if (Row == (Private->DevNullRows - 1)) {\r | |
1684 | //\r | |
1685 | // Don't ever sync the last character as it will scroll the screen\r | |
1686 | //\r | |
1687 | Screen[MaxColumn - 1] = 0x00;\r | |
1688 | }\r | |
1689 | \r | |
1690 | Column = 0;\r | |
1691 | while (Column < MaxColumn) {\r | |
a4d608d1 | 1692 | if (Screen[Column] > 0) {\r |
95276127 | 1693 | CurrentAttribute = Attributes[Column];\r |
1694 | CurrentColumn = Column;\r | |
1695 | ScreenStart = &Screen[Column];\r | |
1696 | \r | |
1697 | //\r | |
1698 | // the line end is alway 0x0. So Column should be less than MaxColumn\r | |
1699 | // It should be still in the same row\r | |
1700 | //\r | |
1701 | for (Str = ScreenStart, BufferTail = Buffer; *Str != 0; Str++, Column++) {\r | |
1702 | \r | |
1703 | if (Attributes[Column] != CurrentAttribute) {\r | |
1704 | Column--;\r | |
1705 | break;\r | |
1706 | }\r | |
1707 | \r | |
1708 | *BufferTail = *Str;\r | |
1709 | BufferTail++;\r | |
a4d608d1 | 1710 | if ((Attributes[Column] & EFI_WIDE_ATTRIBUTE) != 0) {\r |
95276127 | 1711 | Str++;\r |
1712 | Column++;\r | |
1713 | }\r | |
1714 | }\r | |
1715 | \r | |
1716 | *BufferTail = 0;\r | |
1717 | \r | |
1718 | for (List = 0; List < Private->CurrentNumberOfConsoles; List++) {\r | |
1719 | \r | |
1720 | Sto = Private->TextOutList[List].TextOut;\r | |
1721 | \r | |
1722 | //\r | |
1723 | // Skip non GOP/UGA devices\r | |
1724 | //\r | |
1725 | if ((Private->TextOutList[List].GraphicsOutput != NULL) || (Private->TextOutList[List].UgaDraw != NULL)) {\r | |
1726 | Sto->SetAttribute (Sto, CurrentAttribute);\r | |
1727 | Sto->SetCursorPosition (Sto, CurrentColumn, Row);\r | |
1728 | Status = Sto->OutputString (Sto, Buffer);\r | |
1729 | if (EFI_ERROR (Status)) {\r | |
1730 | ReturnStatus = Status;\r | |
1731 | }\r | |
1732 | }\r | |
1733 | }\r | |
1734 | \r | |
1735 | }\r | |
1736 | \r | |
1737 | Column++;\r | |
1738 | }\r | |
1739 | }\r | |
1740 | //\r | |
1741 | // Restore the devices Attributes, Cursor enable state and location\r | |
1742 | //\r | |
1743 | for (List = 0; List < Private->CurrentNumberOfConsoles; List++) {\r | |
1744 | Sto = Private->TextOutList[List].TextOut;\r | |
1745 | \r | |
1746 | //\r | |
1747 | // Skip non GOP/UGA devices\r | |
1748 | //\r | |
1749 | if ((Private->TextOutList[List].GraphicsOutput != NULL) || (Private->TextOutList[List].UgaDraw != NULL)) {\r | |
1750 | Sto->SetAttribute (Sto, StartAttribute);\r | |
1751 | Sto->SetCursorPosition (Sto, StartColumn, StartRow);\r | |
1752 | Status = Sto->EnableCursor (Sto, StartCursorState);\r | |
1753 | if (EFI_ERROR (Status)) {\r | |
1754 | ReturnStatus = Status;\r | |
1755 | }\r | |
1756 | }\r | |
1757 | }\r | |
1758 | \r | |
1759 | FreePool (Buffer);\r | |
1760 | \r | |
1761 | return ReturnStatus;\r | |
1762 | }\r |