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1e57a462 | 1 | /** @file\r |
2 | \r | |
eb97f138 | 3 | Copyright (c) 2011 - 2020, Arm Limited. All rights reserved.<BR>\r |
f4dfad05 | 4 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
1e57a462 | 5 | \r |
6 | **/\r | |
7 | \r | |
8 | #include <PiDxe.h>\r | |
9 | #include <Library/BaseMemoryLib.h>\r | |
10 | #include <Library/DevicePathLib.h>\r | |
11 | #include <Library/UefiBootServicesTableLib.h>\r | |
12 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
13 | #include <Library/MemoryAllocationLib.h>\r | |
14 | \r | |
15 | #include <Guid/GlobalVariable.h>\r | |
16 | \r | |
17 | #include "LcdGraphicsOutputDxe.h"\r | |
18 | \r | |
19 | extern BOOLEAN mDisplayInitialized;\r | |
20 | \r | |
21 | //\r | |
22 | // Function Definitions\r | |
23 | //\r | |
24 | \r | |
25 | STATIC\r | |
26 | EFI_STATUS\r | |
27 | VideoCopyNoHorizontalOverlap (\r | |
28 | IN UINTN BitsPerPixel,\r | |
29 | IN volatile VOID *FrameBufferBase,\r | |
30 | IN UINT32 HorizontalResolution,\r | |
31 | IN UINTN SourceX,\r | |
32 | IN UINTN SourceY,\r | |
33 | IN UINTN DestinationX,\r | |
34 | IN UINTN DestinationY,\r | |
35 | IN UINTN Width,\r | |
36 | IN UINTN Height\r | |
37 | )\r | |
38 | {\r | |
eb97f138 | 39 | EFI_STATUS Status;\r |
1e57a462 | 40 | UINTN SourceLine;\r |
41 | UINTN DestinationLine;\r | |
42 | UINTN WidthInBytes;\r | |
43 | UINTN LineCount;\r | |
44 | INTN Step;\r | |
45 | VOID *SourceAddr;\r | |
46 | VOID *DestinationAddr;\r | |
47 | \r | |
eb97f138 PG |
48 | Status = EFI_SUCCESS;\r |
49 | \r | |
1e57a462 | 50 | if( DestinationY <= SourceY ) {\r |
51 | // scrolling up (or horizontally but without overlap)\r | |
52 | SourceLine = SourceY;\r | |
53 | DestinationLine = DestinationY;\r | |
54 | Step = 1;\r | |
55 | } else {\r | |
56 | // scrolling down\r | |
57 | SourceLine = SourceY + Height;\r | |
58 | DestinationLine = DestinationY + Height;\r | |
59 | Step = -1;\r | |
60 | }\r | |
61 | \r | |
62 | switch (BitsPerPixel) {\r | |
63 | \r | |
64 | case LCD_BITS_PER_PIXEL_24:\r | |
65 | \r | |
66 | WidthInBytes = Width * 4;\r | |
67 | \r | |
68 | for( LineCount = 0; LineCount < Height; LineCount++ ) {\r | |
69 | // Update the start addresses of source & destination using 32bit pointer arithmetic\r | |
70 | SourceAddr = (VOID *)((UINT32 *)FrameBufferBase + SourceLine * HorizontalResolution + SourceX );\r | |
71 | DestinationAddr = (VOID *)((UINT32 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationX);\r | |
72 | \r | |
73 | // Copy the entire line Y from video ram to the temp buffer\r | |
74 | CopyMem( DestinationAddr, SourceAddr, WidthInBytes);\r | |
75 | \r | |
76 | // Update the line numbers\r | |
77 | SourceLine += Step;\r | |
78 | DestinationLine += Step;\r | |
79 | }\r | |
80 | break;\r | |
81 | \r | |
82 | case LCD_BITS_PER_PIXEL_16_555:\r | |
83 | case LCD_BITS_PER_PIXEL_16_565:\r | |
84 | case LCD_BITS_PER_PIXEL_12_444:\r | |
85 | \r | |
86 | WidthInBytes = Width * 2;\r | |
87 | \r | |
88 | for( LineCount = 0; LineCount < Height; LineCount++ ) {\r | |
89 | // Update the start addresses of source & destination using 16bit pointer arithmetic\r | |
90 | SourceAddr = (VOID *)((UINT16 *)FrameBufferBase + SourceLine * HorizontalResolution + SourceX );\r | |
91 | DestinationAddr = (VOID *)((UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationX);\r | |
92 | \r | |
93 | // Copy the entire line Y from video ram to the temp buffer\r | |
94 | CopyMem( DestinationAddr, SourceAddr, WidthInBytes);\r | |
95 | \r | |
96 | // Update the line numbers\r | |
97 | SourceLine += Step;\r | |
98 | DestinationLine += Step;\r | |
99 | }\r | |
100 | break;\r | |
101 | \r | |
102 | case LCD_BITS_PER_PIXEL_8:\r | |
103 | case LCD_BITS_PER_PIXEL_4:\r | |
104 | case LCD_BITS_PER_PIXEL_2:\r | |
105 | case LCD_BITS_PER_PIXEL_1:\r | |
106 | default:\r | |
107 | // Can't handle this case\r | |
108 | DEBUG((DEBUG_ERROR, "ArmVeGraphics_Blt: EfiBltVideoToVideo: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));\r | |
109 | Status = EFI_INVALID_PARAMETER;\r | |
110 | goto EXIT;\r | |
111 | // break;\r | |
112 | \r | |
113 | }\r | |
114 | \r | |
115 | EXIT:\r | |
116 | return Status;\r | |
117 | }\r | |
118 | \r | |
119 | STATIC\r | |
120 | EFI_STATUS\r | |
121 | VideoCopyHorizontalOverlap (\r | |
122 | IN UINTN BitsPerPixel,\r | |
123 | IN volatile VOID *FrameBufferBase,\r | |
124 | UINT32 HorizontalResolution,\r | |
125 | IN UINTN SourceX,\r | |
126 | IN UINTN SourceY,\r | |
127 | IN UINTN DestinationX,\r | |
128 | IN UINTN DestinationY,\r | |
129 | IN UINTN Width,\r | |
130 | IN UINTN Height\r | |
131 | )\r | |
132 | {\r | |
eb97f138 | 133 | EFI_STATUS Status;\r |
1e57a462 | 134 | \r |
135 | UINT32 *PixelBuffer32bit;\r | |
136 | UINT32 *SourcePixel32bit;\r | |
137 | UINT32 *DestinationPixel32bit;\r | |
138 | \r | |
139 | UINT16 *PixelBuffer16bit;\r | |
140 | UINT16 *SourcePixel16bit;\r | |
141 | UINT16 *DestinationPixel16bit;\r | |
142 | \r | |
143 | UINT32 SourcePixelY;\r | |
144 | UINT32 DestinationPixelY;\r | |
145 | UINTN SizeIn32Bits;\r | |
146 | UINTN SizeIn16Bits;\r | |
147 | \r | |
eb97f138 PG |
148 | Status = EFI_SUCCESS;\r |
149 | \r | |
1e57a462 | 150 | switch (BitsPerPixel) {\r |
151 | \r | |
152 | case LCD_BITS_PER_PIXEL_24:\r | |
153 | // Allocate a temporary buffer\r | |
154 | \r | |
155 | PixelBuffer32bit = (UINT32 *) AllocatePool((Height * Width) * sizeof(UINT32));\r | |
156 | \r | |
157 | if (PixelBuffer32bit == NULL) {\r | |
158 | Status = EFI_OUT_OF_RESOURCES;\r | |
159 | goto EXIT;\r | |
160 | }\r | |
161 | \r | |
162 | SizeIn32Bits = Width * 4;\r | |
163 | \r | |
164 | // Copy from the video ram (source region) to a temp buffer\r | |
165 | for (SourcePixelY = SourceY, DestinationPixel32bit = PixelBuffer32bit;\r | |
166 | SourcePixelY < SourceY + Height;\r | |
167 | SourcePixelY++, DestinationPixel32bit += Width)\r | |
168 | {\r | |
169 | // Update the start address of line Y (source)\r | |
170 | SourcePixel32bit = (UINT32 *)FrameBufferBase + SourcePixelY * HorizontalResolution + SourceX;\r | |
171 | \r | |
172 | // Copy the entire line Y from video ram to the temp buffer\r | |
173 | CopyMem( (VOID *)DestinationPixel32bit, (CONST VOID *)SourcePixel32bit, SizeIn32Bits);\r | |
174 | }\r | |
175 | \r | |
176 | // Copy from the temp buffer to the video ram (destination region)\r | |
177 | for (DestinationPixelY = DestinationY, SourcePixel32bit = PixelBuffer32bit;\r | |
178 | DestinationPixelY < DestinationY + Height;\r | |
179 | DestinationPixelY++, SourcePixel32bit += Width)\r | |
180 | {\r | |
181 | // Update the start address of line Y (target)\r | |
182 | DestinationPixel32bit = (UINT32 *)FrameBufferBase + DestinationPixelY * HorizontalResolution + DestinationX;\r | |
183 | \r | |
184 | // Copy the entire line Y from the temp buffer to video ram\r | |
185 | CopyMem( (VOID *)DestinationPixel32bit, (CONST VOID *)SourcePixel32bit, SizeIn32Bits);\r | |
186 | }\r | |
187 | \r | |
188 | // Free up the allocated memory\r | |
189 | FreePool((VOID *) PixelBuffer32bit);\r | |
190 | \r | |
191 | break;\r | |
192 | \r | |
193 | \r | |
194 | case LCD_BITS_PER_PIXEL_16_555:\r | |
195 | case LCD_BITS_PER_PIXEL_16_565:\r | |
196 | case LCD_BITS_PER_PIXEL_12_444:\r | |
197 | // Allocate a temporary buffer\r | |
198 | PixelBuffer16bit = (UINT16 *) AllocatePool((Height * Width) * sizeof(UINT16));\r | |
199 | \r | |
200 | if (PixelBuffer16bit == NULL) {\r | |
201 | Status = EFI_OUT_OF_RESOURCES;\r | |
202 | goto EXIT;\r | |
203 | }\r | |
204 | \r | |
205 | // Access each pixel inside the source area of the Video Memory and copy it to the temp buffer\r | |
206 | \r | |
207 | SizeIn16Bits = Width * 2;\r | |
208 | \r | |
209 | for (SourcePixelY = SourceY, DestinationPixel16bit = PixelBuffer16bit;\r | |
210 | SourcePixelY < SourceY + Height;\r | |
211 | SourcePixelY++, DestinationPixel16bit += Width)\r | |
212 | {\r | |
213 | // Calculate the source address:\r | |
214 | SourcePixel16bit = (UINT16 *)FrameBufferBase + SourcePixelY * HorizontalResolution + SourceX;\r | |
215 | \r | |
216 | // Copy the entire line Y from Video to the temp buffer\r | |
217 | CopyMem( (VOID *)DestinationPixel16bit, (CONST VOID *)SourcePixel16bit, SizeIn16Bits);\r | |
218 | }\r | |
219 | \r | |
220 | // Copy from the temp buffer into the destination area of the Video Memory\r | |
221 | \r | |
222 | for (DestinationPixelY = DestinationY, SourcePixel16bit = PixelBuffer16bit;\r | |
223 | DestinationPixelY < DestinationY + Height;\r | |
224 | DestinationPixelY++, SourcePixel16bit += Width)\r | |
225 | {\r | |
226 | // Calculate the target address:\r | |
227 | DestinationPixel16bit = (UINT16 *)FrameBufferBase + (DestinationPixelY * HorizontalResolution + DestinationX);\r | |
228 | \r | |
229 | // Copy the entire line Y from the temp buffer to Video\r | |
230 | CopyMem( (VOID *)DestinationPixel16bit, (CONST VOID *)SourcePixel16bit, SizeIn16Bits);\r | |
231 | }\r | |
232 | \r | |
233 | // Free the allocated memory\r | |
234 | FreePool((VOID *) PixelBuffer16bit);\r | |
235 | \r | |
236 | break;\r | |
237 | \r | |
238 | \r | |
239 | case LCD_BITS_PER_PIXEL_8:\r | |
240 | case LCD_BITS_PER_PIXEL_4:\r | |
241 | case LCD_BITS_PER_PIXEL_2:\r | |
242 | case LCD_BITS_PER_PIXEL_1:\r | |
243 | default:\r | |
244 | // Can't handle this case\r | |
245 | DEBUG((DEBUG_ERROR, "ArmVeGraphics_Blt: EfiBltVideoToVideo: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));\r | |
246 | Status = EFI_INVALID_PARAMETER;\r | |
247 | goto EXIT;\r | |
248 | // break;\r | |
249 | \r | |
250 | }\r | |
251 | \r | |
252 | EXIT:\r | |
253 | return Status;\r | |
254 | }\r | |
255 | \r | |
256 | STATIC\r | |
257 | EFI_STATUS\r | |
258 | BltVideoFill (\r | |
259 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
260 | IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiSourcePixel, OPTIONAL\r | |
261 | IN UINTN SourceX,\r | |
262 | IN UINTN SourceY,\r | |
263 | IN UINTN DestinationX,\r | |
264 | IN UINTN DestinationY,\r | |
265 | IN UINTN Width,\r | |
266 | IN UINTN Height,\r | |
267 | IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer\r | |
268 | )\r | |
269 | {\r | |
270 | EFI_PIXEL_BITMASK* PixelInformation;\r | |
271 | EFI_STATUS Status;\r | |
272 | UINT32 HorizontalResolution;\r | |
273 | LCD_BPP BitsPerPixel;\r | |
274 | VOID *FrameBufferBase;\r | |
275 | VOID *DestinationAddr;\r | |
276 | UINT16 *DestinationPixel16bit;\r | |
277 | UINT16 Pixel16bit;\r | |
278 | UINT32 DestinationPixelX;\r | |
279 | UINT32 DestinationLine;\r | |
280 | UINTN WidthInBytes;\r | |
281 | \r | |
282 | Status = EFI_SUCCESS;\r | |
283 | PixelInformation = &This->Mode->Info->PixelInformation;\r | |
284 | FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));\r | |
285 | HorizontalResolution = This->Mode->Info->HorizontalResolution;\r | |
286 | \r | |
287 | LcdPlatformGetBpp (This->Mode->Mode,&BitsPerPixel);\r | |
288 | \r | |
289 | switch (BitsPerPixel) {\r | |
290 | case LCD_BITS_PER_PIXEL_24:\r | |
291 | WidthInBytes = Width * 4;\r | |
292 | \r | |
293 | // Copy the SourcePixel into every pixel inside the target rectangle\r | |
294 | for (DestinationLine = DestinationY;\r | |
295 | DestinationLine < DestinationY + Height;\r | |
296 | DestinationLine++)\r | |
297 | {\r | |
298 | // Calculate the target address using 32bit pointer arithmetic:\r | |
299 | DestinationAddr = (VOID *)((UINT32 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationX);\r | |
300 | \r | |
301 | // Fill the entire line\r | |
64669aca | 302 | SetMem32 (DestinationAddr, WidthInBytes, *((UINT32 *)EfiSourcePixel));\r |
1e57a462 | 303 | }\r |
304 | break;\r | |
305 | \r | |
306 | case LCD_BITS_PER_PIXEL_16_555:\r | |
307 | // Convert the EFI pixel at the start of the BltBuffer(0,0) into a video display pixel\r | |
308 | Pixel16bit = (UINT16) (\r | |
309 | ( (EfiSourcePixel->Red << 7) & PixelInformation->RedMask )\r | |
310 | | ( (EfiSourcePixel->Green << 2) & PixelInformation->GreenMask )\r | |
311 | | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )\r | |
312 | // | ( 0 & PixelInformation->ReservedMask )\r | |
313 | );\r | |
314 | \r | |
315 | // Copy the SourcePixel into every pixel inside the target rectangle\r | |
316 | for (DestinationLine = DestinationY;\r | |
317 | DestinationLine < DestinationY + Height;\r | |
318 | DestinationLine++)\r | |
319 | {\r | |
320 | for (DestinationPixelX = DestinationX;\r | |
321 | DestinationPixelX < DestinationX + Width;\r | |
322 | DestinationPixelX++)\r | |
323 | {\r | |
324 | // Calculate the target address:\r | |
325 | DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;\r | |
326 | \r | |
327 | // Copy the pixel into the new target\r | |
328 | *DestinationPixel16bit = Pixel16bit;\r | |
329 | }\r | |
330 | }\r | |
331 | break;\r | |
332 | \r | |
333 | case LCD_BITS_PER_PIXEL_16_565:\r | |
334 | // Convert the EFI pixel at the start of the BltBuffer(0,0) into a video display pixel\r | |
335 | Pixel16bit = (UINT16) (\r | |
336 | ( (EfiSourcePixel->Red << 8) & PixelInformation->RedMask )\r | |
337 | | ( (EfiSourcePixel->Green << 3) & PixelInformation->GreenMask )\r | |
338 | | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )\r | |
339 | );\r | |
340 | \r | |
341 | // Copy the SourcePixel into every pixel inside the target rectangle\r | |
342 | for (DestinationLine = DestinationY;\r | |
343 | DestinationLine < DestinationY + Height;\r | |
344 | DestinationLine++)\r | |
345 | {\r | |
346 | for (DestinationPixelX = DestinationX;\r | |
347 | DestinationPixelX < DestinationX + Width;\r | |
348 | DestinationPixelX++)\r | |
349 | {\r | |
350 | // Calculate the target address:\r | |
351 | DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;\r | |
352 | \r | |
353 | // Copy the pixel into the new target\r | |
354 | *DestinationPixel16bit = Pixel16bit;\r | |
355 | }\r | |
356 | }\r | |
357 | break;\r | |
358 | \r | |
359 | case LCD_BITS_PER_PIXEL_12_444:\r | |
360 | // Convert the EFI pixel at the start of the BltBuffer(0,0) into a video display pixel\r | |
361 | Pixel16bit = (UINT16) (\r | |
362 | ( (EfiSourcePixel->Red >> 4) & PixelInformation->RedMask )\r | |
363 | | ( (EfiSourcePixel->Green ) & PixelInformation->GreenMask )\r | |
364 | | ( (EfiSourcePixel->Blue << 4) & PixelInformation->BlueMask )\r | |
365 | );\r | |
366 | \r | |
367 | // Copy the SourcePixel into every pixel inside the target rectangle\r | |
368 | for (DestinationLine = DestinationY;\r | |
369 | DestinationLine < DestinationY + Height;\r | |
370 | DestinationLine++)\r | |
371 | {\r | |
372 | for (DestinationPixelX = DestinationX;\r | |
373 | DestinationPixelX < DestinationX + Width;\r | |
374 | DestinationPixelX++)\r | |
375 | {\r | |
376 | // Calculate the target address:\r | |
377 | DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;\r | |
378 | \r | |
379 | // Copy the pixel into the new target\r | |
380 | *DestinationPixel16bit = Pixel16bit;\r | |
381 | }\r | |
382 | }\r | |
383 | break;\r | |
384 | \r | |
385 | case LCD_BITS_PER_PIXEL_8:\r | |
386 | case LCD_BITS_PER_PIXEL_4:\r | |
387 | case LCD_BITS_PER_PIXEL_2:\r | |
388 | case LCD_BITS_PER_PIXEL_1:\r | |
389 | default:\r | |
390 | // Can't handle this case\r | |
391 | DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: EfiBltVideoFill: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));\r | |
392 | Status = EFI_INVALID_PARAMETER;\r | |
393 | break;\r | |
394 | }\r | |
395 | \r | |
396 | return Status;\r | |
397 | }\r | |
398 | \r | |
399 | STATIC\r | |
400 | EFI_STATUS\r | |
401 | BltVideoToBltBuffer (\r | |
402 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
403 | IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
404 | IN UINTN SourceX,\r | |
405 | IN UINTN SourceY,\r | |
406 | IN UINTN DestinationX,\r | |
407 | IN UINTN DestinationY,\r | |
408 | IN UINTN Width,\r | |
409 | IN UINTN Height,\r | |
410 | IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer\r | |
411 | )\r | |
412 | {\r | |
413 | EFI_STATUS Status;\r | |
414 | UINT32 HorizontalResolution;\r | |
415 | LCD_BPP BitsPerPixel;\r | |
416 | EFI_PIXEL_BITMASK *PixelInformation;\r | |
417 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiDestinationPixel;\r | |
418 | VOID *FrameBufferBase;\r | |
419 | VOID *SourceAddr;\r | |
420 | VOID *DestinationAddr;\r | |
421 | UINT16 *SourcePixel16bit;\r | |
422 | UINT16 Pixel16bit;\r | |
423 | UINT32 SourcePixelX;\r | |
424 | UINT32 SourceLine;\r | |
425 | UINT32 DestinationPixelX;\r | |
426 | UINT32 DestinationLine;\r | |
427 | UINT32 BltBufferHorizontalResolution;\r | |
428 | UINTN WidthInBytes;\r | |
429 | \r | |
430 | Status = EFI_SUCCESS;\r | |
431 | PixelInformation = &This->Mode->Info->PixelInformation;\r | |
432 | HorizontalResolution = This->Mode->Info->HorizontalResolution;\r | |
433 | FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));\r | |
434 | \r | |
435 | if(( Delta != 0 ) && ( Delta != Width * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL))) {\r | |
436 | // Delta is not zero and it is different from the width.\r | |
437 | // Divide it by the size of a pixel to find out the buffer's horizontal resolution.\r | |
438 | BltBufferHorizontalResolution = (UINT32) (Delta / sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
439 | } else {\r | |
440 | BltBufferHorizontalResolution = Width;\r | |
441 | }\r | |
442 | \r | |
443 | LcdPlatformGetBpp (This->Mode->Mode,&BitsPerPixel);\r | |
444 | \r | |
445 | switch (BitsPerPixel) {\r | |
446 | case LCD_BITS_PER_PIXEL_24:\r | |
447 | WidthInBytes = Width * 4;\r | |
448 | \r | |
449 | // Access each line inside the Video Memory\r | |
450 | for (SourceLine = SourceY, DestinationLine = DestinationY;\r | |
451 | SourceLine < SourceY + Height;\r | |
452 | SourceLine++, DestinationLine++)\r | |
453 | {\r | |
454 | // Calculate the source and target addresses using 32bit pointer arithmetic:\r | |
455 | SourceAddr = (VOID *)((UINT32 *)FrameBufferBase + SourceLine * HorizontalResolution + SourceX );\r | |
456 | DestinationAddr = (VOID *)((UINT32 *)BltBuffer + DestinationLine * BltBufferHorizontalResolution + DestinationX);\r | |
457 | \r | |
458 | // Copy the entire line\r | |
459 | CopyMem( DestinationAddr, SourceAddr, WidthInBytes);\r | |
460 | }\r | |
461 | break;\r | |
462 | \r | |
463 | case LCD_BITS_PER_PIXEL_16_555:\r | |
464 | // Access each pixel inside the Video Memory\r | |
465 | for (SourceLine = SourceY, DestinationLine = DestinationY;\r | |
466 | SourceLine < SourceY + Height;\r | |
467 | SourceLine++, DestinationLine++)\r | |
468 | {\r | |
469 | for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;\r | |
470 | SourcePixelX < SourceX + Width;\r | |
471 | SourcePixelX++, DestinationPixelX++)\r | |
472 | {\r | |
473 | // Calculate the source and target addresses:\r | |
474 | SourcePixel16bit = (UINT16 *)FrameBufferBase + SourceLine * HorizontalResolution + SourcePixelX;\r | |
475 | EfiDestinationPixel = BltBuffer + DestinationLine * BltBufferHorizontalResolution + DestinationPixelX;\r | |
476 | \r | |
477 | // Snapshot the pixel from the video buffer once, to speed up the operation.\r | |
478 | // If we were dereferencing the pointer, as it is volatile, we would perform 3 memory read operations.\r | |
479 | Pixel16bit = *SourcePixel16bit;\r | |
480 | \r | |
481 | // Copy the pixel into the new target\r | |
482 | EfiDestinationPixel->Red = (UINT8) ( (Pixel16bit & PixelInformation->RedMask ) >> 7 );\r | |
483 | EfiDestinationPixel->Green = (UINT8) ( (Pixel16bit & PixelInformation->GreenMask ) >> 2);\r | |
484 | EfiDestinationPixel->Blue = (UINT8) ( (Pixel16bit & PixelInformation->BlueMask ) << 3 );\r | |
485 | // EfiDestinationPixel->Reserved = (UINT8) 0;\r | |
486 | }\r | |
487 | }\r | |
488 | break;\r | |
489 | \r | |
490 | case LCD_BITS_PER_PIXEL_16_565:\r | |
491 | // Access each pixel inside the Video Memory\r | |
492 | for (SourceLine = SourceY, DestinationLine = DestinationY;\r | |
493 | SourceLine < SourceY + Height;\r | |
494 | SourceLine++, DestinationLine++)\r | |
495 | {\r | |
496 | for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;\r | |
497 | SourcePixelX < SourceX + Width;\r | |
498 | SourcePixelX++, DestinationPixelX++)\r | |
499 | {\r | |
500 | // Calculate the source and target addresses:\r | |
501 | SourcePixel16bit = (UINT16 *)FrameBufferBase + SourceLine * HorizontalResolution + SourcePixelX;\r | |
502 | EfiDestinationPixel = BltBuffer + DestinationLine * BltBufferHorizontalResolution + DestinationPixelX;\r | |
503 | \r | |
504 | // Snapshot the pixel from the video buffer once, to speed up the operation.\r | |
505 | // If we were dereferencing the pointer, as it is volatile, we would perform 3 memory read operations.\r | |
506 | Pixel16bit = *SourcePixel16bit;\r | |
507 | \r | |
508 | // Copy the pixel into the new target\r | |
509 | // There is no info for the Reserved byte, so we set it to zero\r | |
510 | EfiDestinationPixel->Red = (UINT8) ( (Pixel16bit & PixelInformation->RedMask ) >> 8 );\r | |
511 | EfiDestinationPixel->Green = (UINT8) ( (Pixel16bit & PixelInformation->GreenMask ) >> 3);\r | |
512 | EfiDestinationPixel->Blue = (UINT8) ( (Pixel16bit & PixelInformation->BlueMask ) << 3 );\r | |
513 | // EfiDestinationPixel->Reserved = (UINT8) 0;\r | |
514 | }\r | |
515 | }\r | |
516 | break;\r | |
517 | \r | |
518 | case LCD_BITS_PER_PIXEL_12_444:\r | |
519 | // Access each pixel inside the Video Memory\r | |
520 | for (SourceLine = SourceY, DestinationLine = DestinationY;\r | |
521 | SourceLine < SourceY + Height;\r | |
522 | SourceLine++, DestinationLine++)\r | |
523 | {\r | |
524 | for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;\r | |
525 | SourcePixelX < SourceX + Width;\r | |
526 | SourcePixelX++, DestinationPixelX++)\r | |
527 | {\r | |
528 | // Calculate the source and target addresses:\r | |
529 | SourcePixel16bit = (UINT16 *)FrameBufferBase + SourceLine * HorizontalResolution + SourcePixelX;\r | |
530 | EfiDestinationPixel = BltBuffer + DestinationLine * BltBufferHorizontalResolution + DestinationPixelX;\r | |
531 | \r | |
532 | // Snapshot the pixel from the video buffer once, to speed up the operation.\r | |
533 | // If we were dereferencing the pointer, as it is volatile, we would perform 3 memory read operations.\r | |
534 | Pixel16bit = *SourcePixel16bit;\r | |
535 | \r | |
536 | // Copy the pixel into the new target\r | |
537 | EfiDestinationPixel->Red = (UINT8) ( (Pixel16bit & PixelInformation->RedMask ) >> 4 );\r | |
538 | EfiDestinationPixel->Green = (UINT8) ( (Pixel16bit & PixelInformation->GreenMask ) );\r | |
539 | EfiDestinationPixel->Blue = (UINT8) ( (Pixel16bit & PixelInformation->BlueMask ) << 4 );\r | |
540 | // EfiDestinationPixel->Reserved = (UINT8) 0;\r | |
541 | }\r | |
542 | }\r | |
543 | break;\r | |
544 | \r | |
545 | case LCD_BITS_PER_PIXEL_8:\r | |
546 | case LCD_BITS_PER_PIXEL_4:\r | |
547 | case LCD_BITS_PER_PIXEL_2:\r | |
548 | case LCD_BITS_PER_PIXEL_1:\r | |
549 | default:\r | |
550 | // Can't handle this case\r | |
551 | DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: EfiBltVideoToBltBuffer: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));\r | |
552 | Status = EFI_INVALID_PARAMETER;\r | |
553 | break;\r | |
554 | }\r | |
555 | return Status;\r | |
556 | }\r | |
557 | \r | |
558 | STATIC\r | |
559 | EFI_STATUS\r | |
560 | BltBufferToVideo (\r | |
561 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
562 | IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
563 | IN UINTN SourceX,\r | |
564 | IN UINTN SourceY,\r | |
565 | IN UINTN DestinationX,\r | |
566 | IN UINTN DestinationY,\r | |
567 | IN UINTN Width,\r | |
568 | IN UINTN Height,\r | |
569 | IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer\r | |
570 | )\r | |
571 | {\r | |
572 | EFI_STATUS Status;\r | |
573 | UINT32 HorizontalResolution;\r | |
574 | LCD_BPP BitsPerPixel;\r | |
575 | EFI_PIXEL_BITMASK *PixelInformation;\r | |
576 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiSourcePixel;\r | |
577 | VOID *FrameBufferBase;\r | |
578 | VOID *SourceAddr;\r | |
579 | VOID *DestinationAddr;\r | |
580 | UINT16 *DestinationPixel16bit;\r | |
581 | UINT32 SourcePixelX;\r | |
582 | UINT32 SourceLine;\r | |
583 | UINT32 DestinationPixelX;\r | |
584 | UINT32 DestinationLine;\r | |
585 | UINT32 BltBufferHorizontalResolution;\r | |
586 | UINTN WidthInBytes;\r | |
587 | \r | |
588 | Status = EFI_SUCCESS;\r | |
589 | PixelInformation = &This->Mode->Info->PixelInformation;\r | |
590 | HorizontalResolution = This->Mode->Info->HorizontalResolution;\r | |
591 | FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));\r | |
592 | \r | |
593 | if(( Delta != 0 ) && ( Delta != Width * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL))) {\r | |
594 | // Delta is not zero and it is different from the width.\r | |
595 | // Divide it by the size of a pixel to find out the buffer's horizontal resolution.\r | |
596 | BltBufferHorizontalResolution = (UINT32) (Delta / sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
597 | } else {\r | |
598 | BltBufferHorizontalResolution = Width;\r | |
599 | }\r | |
600 | \r | |
601 | LcdPlatformGetBpp (This->Mode->Mode,&BitsPerPixel);\r | |
602 | \r | |
603 | switch (BitsPerPixel) {\r | |
604 | case LCD_BITS_PER_PIXEL_24:\r | |
605 | WidthInBytes = Width * 4;\r | |
606 | \r | |
607 | // Access each pixel inside the BltBuffer Memory\r | |
608 | for (SourceLine = SourceY, DestinationLine = DestinationY;\r | |
609 | SourceLine < SourceY + Height;\r | |
610 | SourceLine++, DestinationLine++)\r | |
611 | {\r | |
612 | // Calculate the source and target addresses using 32bit pointer arithmetic:\r | |
613 | SourceAddr = (VOID *)((UINT32 *)BltBuffer + SourceLine * BltBufferHorizontalResolution + SourceX );\r | |
614 | DestinationAddr = (VOID *)((UINT32 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationX);\r | |
615 | \r | |
616 | // Copy the entire row Y\r | |
617 | CopyMem( DestinationAddr, SourceAddr, WidthInBytes);\r | |
618 | }\r | |
619 | break;\r | |
620 | \r | |
621 | case LCD_BITS_PER_PIXEL_16_555:\r | |
622 | // Access each pixel inside the BltBuffer Memory\r | |
623 | for (SourceLine = SourceY, DestinationLine = DestinationY;\r | |
624 | SourceLine < SourceY + Height;\r | |
625 | SourceLine++, DestinationLine++) {\r | |
626 | \r | |
627 | for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;\r | |
628 | SourcePixelX < SourceX + Width;\r | |
629 | SourcePixelX++, DestinationPixelX++)\r | |
630 | {\r | |
631 | // Calculate the source and target addresses:\r | |
632 | EfiSourcePixel = BltBuffer + SourceLine * BltBufferHorizontalResolution + SourcePixelX;\r | |
633 | DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;\r | |
634 | \r | |
635 | // Copy the pixel into the new target\r | |
636 | // Only the most significant bits will be copied across:\r | |
637 | // To convert from 8 bits to 5 bits per pixel we throw away the 3 least significant bits\r | |
638 | *DestinationPixel16bit = (UINT16) (\r | |
639 | ( (EfiSourcePixel->Red << 7) & PixelInformation->RedMask )\r | |
640 | | ( (EfiSourcePixel->Green << 2) & PixelInformation->GreenMask )\r | |
641 | | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )\r | |
642 | // | ( 0 & PixelInformation->ReservedMask )\r | |
643 | );\r | |
644 | }\r | |
645 | }\r | |
646 | break;\r | |
647 | \r | |
648 | case LCD_BITS_PER_PIXEL_16_565:\r | |
649 | // Access each pixel inside the BltBuffer Memory\r | |
650 | for (SourceLine = SourceY, DestinationLine = DestinationY;\r | |
651 | SourceLine < SourceY + Height;\r | |
652 | SourceLine++, DestinationLine++) {\r | |
653 | \r | |
654 | for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;\r | |
655 | SourcePixelX < SourceX + Width;\r | |
656 | SourcePixelX++, DestinationPixelX++)\r | |
657 | {\r | |
658 | // Calculate the source and target addresses:\r | |
659 | EfiSourcePixel = BltBuffer + SourceLine * BltBufferHorizontalResolution + SourcePixelX;\r | |
660 | DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;\r | |
661 | \r | |
662 | // Copy the pixel into the new target\r | |
663 | // Only the most significant bits will be copied across:\r | |
664 | // To convert from 8 bits to 5 or 6 bits per pixel we throw away the 3 or 2 least significant bits\r | |
665 | // There is no room for the Reserved byte so we ignore that completely\r | |
666 | *DestinationPixel16bit = (UINT16) (\r | |
667 | ( (EfiSourcePixel->Red << 8) & PixelInformation->RedMask )\r | |
668 | | ( (EfiSourcePixel->Green << 3) & PixelInformation->GreenMask )\r | |
669 | | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )\r | |
670 | );\r | |
671 | }\r | |
672 | }\r | |
673 | break;\r | |
674 | \r | |
675 | case LCD_BITS_PER_PIXEL_12_444:\r | |
676 | // Access each pixel inside the BltBuffer Memory\r | |
677 | for (SourceLine = SourceY, DestinationLine = DestinationY;\r | |
678 | SourceLine < SourceY + Height;\r | |
679 | SourceLine++, DestinationLine++) {\r | |
680 | \r | |
681 | for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;\r | |
682 | SourcePixelX < SourceX + Width;\r | |
683 | SourcePixelX++, DestinationPixelX++)\r | |
684 | {\r | |
685 | // Calculate the source and target addresses:\r | |
686 | EfiSourcePixel = BltBuffer + SourceLine * BltBufferHorizontalResolution + SourcePixelX;\r | |
687 | DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;\r | |
688 | \r | |
689 | // Copy the pixel into the new target\r | |
690 | // Only the most significant bits will be copied across:\r | |
691 | // To convert from 8 bits to 5 bits per pixel we throw away the 3 least significant bits\r | |
692 | *DestinationPixel16bit = (UINT16) (\r | |
693 | ( (EfiSourcePixel->Red << 4) & PixelInformation->RedMask )\r | |
694 | | ( (EfiSourcePixel->Green ) & PixelInformation->GreenMask )\r | |
695 | | ( (EfiSourcePixel->Blue >> 4) & PixelInformation->BlueMask )\r | |
696 | // | ( 0 & PixelInformation->ReservedMask )\r | |
697 | );\r | |
698 | }\r | |
699 | }\r | |
700 | break;\r | |
701 | \r | |
702 | case LCD_BITS_PER_PIXEL_8:\r | |
703 | case LCD_BITS_PER_PIXEL_4:\r | |
704 | case LCD_BITS_PER_PIXEL_2:\r | |
705 | case LCD_BITS_PER_PIXEL_1:\r | |
706 | default:\r | |
707 | // Can't handle this case\r | |
708 | DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: EfiBltBufferToVideo: INVALID Number of Bits Per Pixel: %d\n", BitsPerPixel));\r | |
709 | Status = EFI_INVALID_PARAMETER;\r | |
710 | break;\r | |
711 | }\r | |
712 | return Status;\r | |
713 | }\r | |
714 | \r | |
715 | STATIC\r | |
716 | EFI_STATUS\r | |
717 | BltVideoToVideo (\r | |
718 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
719 | IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
720 | IN UINTN SourceX,\r | |
721 | IN UINTN SourceY,\r | |
722 | IN UINTN DestinationX,\r | |
723 | IN UINTN DestinationY,\r | |
724 | IN UINTN Width,\r | |
725 | IN UINTN Height,\r | |
726 | IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer\r | |
727 | )\r | |
728 | {\r | |
729 | EFI_STATUS Status;\r | |
730 | UINT32 HorizontalResolution;\r | |
731 | LCD_BPP BitsPerPixel;\r | |
732 | VOID *FrameBufferBase;\r | |
733 | \r | |
734 | HorizontalResolution = This->Mode->Info->HorizontalResolution;\r | |
735 | FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));\r | |
736 | \r | |
737 | //\r | |
738 | // BltVideo to BltVideo:\r | |
739 | //\r | |
740 | // Source is the Video Memory,\r | |
741 | // Destination is the Video Memory\r | |
742 | \r | |
743 | LcdPlatformGetBpp (This->Mode->Mode,&BitsPerPixel);\r | |
744 | FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));\r | |
745 | \r | |
746 | // The UEFI spec currently states:\r | |
747 | // "There is no limitation on the overlapping of the source and destination rectangles"\r | |
748 | // Therefore, we must be careful to avoid overwriting the source data\r | |
749 | if( SourceY == DestinationY ) {\r | |
750 | // Copying within the same height, e.g. horizontal shift\r | |
751 | if( SourceX == DestinationX ) {\r | |
752 | // Nothing to do\r | |
753 | Status = EFI_SUCCESS;\r | |
754 | } else if( ((SourceX>DestinationX)?(SourceX - DestinationX):(DestinationX - SourceX)) < Width ) {\r | |
755 | // There is overlap\r | |
756 | Status = VideoCopyHorizontalOverlap (BitsPerPixel, FrameBufferBase, HorizontalResolution, SourceX, SourceY, DestinationX, DestinationY, Width, Height );\r | |
757 | } else {\r | |
758 | // No overlap\r | |
759 | Status = VideoCopyNoHorizontalOverlap (BitsPerPixel, FrameBufferBase, HorizontalResolution, SourceX, SourceY, DestinationX, DestinationY, Width, Height );\r | |
760 | }\r | |
761 | } else {\r | |
762 | // Copying from different heights\r | |
763 | Status = VideoCopyNoHorizontalOverlap (BitsPerPixel, FrameBufferBase, HorizontalResolution, SourceX, SourceY, DestinationX, DestinationY, Width, Height );\r | |
764 | }\r | |
765 | \r | |
766 | return Status;\r | |
767 | }\r | |
768 | \r | |
769 | /***************************************\r | |
770 | * GraphicsOutput Protocol function, mapping to\r | |
771 | * EFI_GRAPHICS_OUTPUT_PROTOCOL.Blt\r | |
772 | *\r | |
773 | * PRESUMES: 1 pixel = 4 bytes (32bits)\r | |
774 | * ***************************************/\r | |
775 | EFI_STATUS\r | |
776 | EFIAPI\r | |
777 | LcdGraphicsBlt (\r | |
778 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
91c38d4e RC |
779 | IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r |
780 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r | |
781 | IN UINTN SourceX,\r | |
782 | IN UINTN SourceY,\r | |
783 | IN UINTN DestinationX,\r | |
784 | IN UINTN DestinationY,\r | |
785 | IN UINTN Width,\r | |
786 | IN UINTN Height,\r | |
787 | IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer\r | |
1e57a462 | 788 | )\r |
789 | {\r | |
91c38d4e RC |
790 | EFI_STATUS Status;\r |
791 | UINT32 HorizontalResolution;\r | |
1e57a462 | 792 | UINT32 VerticalResolution;\r |
91c38d4e | 793 | LCD_INSTANCE* Instance;\r |
1e57a462 | 794 | \r |
795 | Instance = LCD_INSTANCE_FROM_GOP_THIS(This);\r | |
796 | \r | |
797 | // Setup the hardware if not already done\r | |
798 | if (!mDisplayInitialized) {\r | |
799 | Status = InitializeDisplay (Instance);\r | |
800 | if (EFI_ERROR(Status)) {\r | |
801 | goto EXIT;\r | |
802 | }\r | |
803 | }\r | |
804 | \r | |
805 | HorizontalResolution = This->Mode->Info->HorizontalResolution;\r | |
806 | VerticalResolution = This->Mode->Info->VerticalResolution;\r | |
807 | \r | |
808 | DEBUG((DEBUG_INFO, "LcdGraphicsBlt (BltOperation:%d,DestX:%d,DestY:%d,Width:%d,Height:%d) res(%d,%d)\n",\r | |
809 | BltOperation,DestinationX,DestinationY,Width,Height,HorizontalResolution,VerticalResolution));\r | |
810 | \r | |
811 | // Check we have reasonable parameters\r | |
91c38d4e | 812 | if (Width == 0 || Height == 0) {\r |
1e57a462 | 813 | DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: ERROR - Invalid dimension: Zero size area.\n" ));\r |
91c38d4e RC |
814 | Status = EFI_INVALID_PARAMETER;\r |
815 | goto EXIT;\r | |
816 | }\r | |
817 | \r | |
818 | if ((BltOperation == EfiBltVideoFill) || (BltOperation == EfiBltBufferToVideo) || (BltOperation == EfiBltVideoToBltBuffer)) {\r | |
819 | ASSERT( BltBuffer != NULL);\r | |
820 | }\r | |
821 | \r | |
822 | /*if ((DestinationX >= HorizontalResolution) || (DestinationY >= VerticalResolution)) {\r | |
823 | DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: ERROR - Invalid destination.\n" ));\r | |
824 | Status = EFI_INVALID_PARAMETER;\r | |
825 | goto EXIT;\r | |
826 | }*/\r | |
827 | \r | |
828 | // If we are reading data out of the video buffer, check that the source area is within the display limits\r | |
829 | if ((BltOperation == EfiBltVideoToBltBuffer) || (BltOperation == EfiBltVideoToVideo)) {\r | |
1e57a462 | 830 | if ((SourceY + Height > VerticalResolution) || (SourceX + Width > HorizontalResolution)) {\r |
831 | DEBUG((DEBUG_INFO, "LcdGraphicsBlt: ERROR - Invalid source resolution.\n" ));\r | |
832 | DEBUG((DEBUG_INFO, " - SourceY=%d + Height=%d > VerticalResolution=%d.\n", SourceY, Height, VerticalResolution ));\r | |
833 | DEBUG((DEBUG_INFO, " - SourceX=%d + Width=%d > HorizontalResolution=%d.\n", SourceX, Width, HorizontalResolution ));\r | |
834 | Status = EFI_INVALID_PARAMETER;\r | |
835 | goto EXIT;\r | |
836 | }\r | |
91c38d4e | 837 | }\r |
1e57a462 | 838 | \r |
91c38d4e RC |
839 | // If we are writing data into the video buffer, that the destination area is within the display limits\r |
840 | if ((BltOperation == EfiBltVideoFill) || (BltOperation == EfiBltBufferToVideo) || (BltOperation == EfiBltVideoToVideo)) {\r | |
1e57a462 | 841 | if ((DestinationY + Height > VerticalResolution) || (DestinationX + Width > HorizontalResolution)) {\r |
842 | DEBUG((DEBUG_INFO, "LcdGraphicsBlt: ERROR - Invalid destination resolution.\n" ));\r | |
843 | DEBUG((DEBUG_INFO, " - DestinationY=%d + Height=%d > VerticalResolution=%d.\n", DestinationY, Height, VerticalResolution ));\r | |
844 | DEBUG((DEBUG_INFO, " - DestinationX=%d + Width=%d > HorizontalResolution=%d.\n", DestinationX, Width, HorizontalResolution ));\r | |
845 | Status = EFI_INVALID_PARAMETER;\r | |
846 | goto EXIT;\r | |
847 | }\r | |
91c38d4e | 848 | }\r |
1e57a462 | 849 | \r |
850 | //\r | |
851 | // Perform the Block Transfer Operation\r | |
852 | //\r | |
853 | \r | |
91c38d4e RC |
854 | switch (BltOperation) {\r |
855 | case EfiBltVideoFill:\r | |
856 | Status = BltVideoFill (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);\r | |
857 | break;\r | |
1e57a462 | 858 | \r |
91c38d4e RC |
859 | case EfiBltVideoToBltBuffer:\r |
860 | Status = BltVideoToBltBuffer (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);\r | |
1e57a462 | 861 | break;\r |
862 | \r | |
863 | case EfiBltBufferToVideo:\r | |
864 | Status = BltBufferToVideo (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);\r | |
91c38d4e | 865 | break;\r |
1e57a462 | 866 | \r |
91c38d4e RC |
867 | case EfiBltVideoToVideo:\r |
868 | Status = BltVideoToVideo (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);\r | |
869 | break;\r | |
1e57a462 | 870 | \r |
91c38d4e RC |
871 | case EfiGraphicsOutputBltOperationMax:\r |
872 | default:\r | |
873 | DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: Invalid Operation\n"));\r | |
874 | Status = EFI_INVALID_PARAMETER;\r | |
875 | break;\r | |
876 | }\r | |
1e57a462 | 877 | \r |
878 | EXIT:\r | |
91c38d4e | 879 | return Status;\r |
1e57a462 | 880 | }\r |