1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
|
/*++
Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Graphics.c
Abstract:
Support for Basic Graphics operations.
BugBug: Currently *.BMP files are supported. This will be replaced
when Tiano graphics format is supported.
--*/
#include "Tiano.h"
#include "EfiDriverLib.h"
#include "GraphicsLib.h"
EFI_STATUS
GetGraphicsBitMapFromFV (
IN EFI_GUID *FileNameGuid,
OUT VOID **Image,
OUT UINTN *ImageSize
)
/*++
Routine Description:
Return the graphics image file named FileNameGuid into Image and return it's
size in ImageSize. All Firmware Volumes (FV) in the system are searched for the
file name.
Arguments:
FileNameGuid - File Name of graphics file in the FV(s).
Image - Pointer to pointer to return graphics image. If NULL, a
buffer will be allocated.
ImageSize - Size of the graphics Image in bytes. Zero if no image found.
Returns:
EFI_SUCCESS - Image and ImageSize are valid.
EFI_BUFFER_TOO_SMALL - Image not big enough. ImageSize has required size
EFI_NOT_FOUND - FileNameGuid not found
--*/
{
return GetGraphicsBitMapFromFVEx (NULL, FileNameGuid, Image, ImageSize);
}
EFI_STATUS
GetGraphicsBitMapFromFVEx (
IN EFI_HANDLE ImageHandle,
IN EFI_GUID *FileNameGuid,
OUT VOID **Image,
OUT UINTN *ImageSize
)
/*++
Routine Description:
Return the graphics image file named FileNameGuid into Image and return it's
size in ImageSize. All Firmware Volumes (FV) in the system are searched for the
file name.
Arguments:
ImageHandle - The driver image handle of the caller. The parameter is used to
optimize the loading of the image file so that the FV from which
the driver image is loaded will be tried first.
FileNameGuid - File Name of graphics file in the FV(s).
Image - Pointer to pointer to return graphics image. If NULL, a
buffer will be allocated.
ImageSize - Size of the graphics Image in bytes. Zero if no image found.
Returns:
EFI_SUCCESS - Image and ImageSize are valid.
EFI_BUFFER_TOO_SMALL - Image not big enough. ImageSize has required size
EFI_NOT_FOUND - FileNameGuid not found
--*/
{
return GetImageEx (
ImageHandle,
FileNameGuid,
EFI_SECTION_RAW,
Image,
ImageSize,
FALSE
);
}
EFI_STATUS
ConvertBmpToGopBlt (
IN VOID *BmpImage,
IN UINTN BmpImageSize,
IN OUT VOID **GopBlt,
IN OUT UINTN *GopBltSize,
OUT UINTN *PixelHeight,
OUT UINTN *PixelWidth
)
/*++
Routine Description:
Convert a *.BMP graphics image to a GOP/UGA blt buffer. If a NULL Blt buffer
is passed in a GopBlt buffer will be allocated by this routine. If a GopBlt
buffer is passed in it will be used if it is big enough.
Arguments:
BmpImage - Pointer to BMP file
BmpImageSize - Number of bytes in BmpImage
GopBlt - Buffer containing GOP version of BmpImage.
GopBltSize - Size of GopBlt in bytes.
PixelHeight - Height of GopBlt/BmpImage in pixels
PixelWidth - Width of GopBlt/BmpImage in pixels
Returns:
EFI_SUCCESS - GopBlt and GopBltSize are returned.
EFI_UNSUPPORTED - BmpImage is not a valid *.BMP image
EFI_BUFFER_TOO_SMALL - The passed in GopBlt buffer is not big enough.
GopBltSize will contain the required size.
EFI_OUT_OF_RESOURCES - No enough buffer to allocate
--*/
{
UINT8 *Image;
UINT8 *ImageHeader;
BMP_IMAGE_HEADER *BmpHeader;
BMP_COLOR_MAP *BmpColorMap;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
UINT64 BltBufferSize;
UINTN Index;
UINTN Height;
UINTN Width;
UINTN ImageIndex;
UINTN DataSizePerLine;
BOOLEAN IsAllocated;
UINT32 ColorMapNum;
if (sizeof (BMP_IMAGE_HEADER) > BmpImageSize) {
return EFI_INVALID_PARAMETER;
}
BmpHeader = (BMP_IMAGE_HEADER *) BmpImage;
if (BmpHeader->CharB != 'B' || BmpHeader->CharM != 'M') {
return EFI_UNSUPPORTED;
}
//
// Doesn't support compress.
//
if (BmpHeader->CompressionType != 0) {
return EFI_UNSUPPORTED;
}
//
// Only support BITMAPINFOHEADER format.
// BITMAPFILEHEADER + BITMAPINFOHEADER = BMP_IMAGE_HEADER
//
if (BmpHeader->HeaderSize != sizeof (BMP_IMAGE_HEADER) - ((UINTN) &(((BMP_IMAGE_HEADER *)0)->HeaderSize))) {
return EFI_UNSUPPORTED;
}
//
// The data size in each line must be 4 byte alignment.
//
DataSizePerLine = ((BmpHeader->PixelWidth * BmpHeader->BitPerPixel + 31) >> 3) & (~0x3);
BltBufferSize = MultU64x32 (DataSizePerLine, BmpHeader->PixelHeight);
if (BltBufferSize > (UINT32) ~0) {
return EFI_INVALID_PARAMETER;
}
if ((BmpHeader->Size != BmpImageSize) ||
(BmpHeader->Size < BmpHeader->ImageOffset) ||
(BmpHeader->Size - BmpHeader->ImageOffset != BmpHeader->PixelHeight * DataSizePerLine)) {
return EFI_INVALID_PARAMETER;
}
//
// Calculate Color Map offset in the image.
//
Image = BmpImage;
BmpColorMap = (BMP_COLOR_MAP *) (Image + sizeof (BMP_IMAGE_HEADER));
if (BmpHeader->ImageOffset < sizeof (BMP_IMAGE_HEADER)) {
return EFI_INVALID_PARAMETER;
}
if (BmpHeader->ImageOffset > sizeof (BMP_IMAGE_HEADER)) {
switch (BmpHeader->BitPerPixel) {
case 1:
ColorMapNum = 2;
break;
case 4:
ColorMapNum = 16;
break;
case 8:
ColorMapNum = 256;
break;
default:
ColorMapNum = 0;
break;
}
if (BmpHeader->ImageOffset - sizeof (BMP_IMAGE_HEADER) != sizeof (BMP_COLOR_MAP) * ColorMapNum) {
return EFI_INVALID_PARAMETER;
}
}
//
// Calculate graphics image data address in the image
//
Image = ((UINT8 *) BmpImage) + BmpHeader->ImageOffset;
ImageHeader = Image;
BltBufferSize = MultU64x32 ((UINT64) BmpHeader->PixelWidth, BmpHeader->PixelHeight);
//
// Ensure the BltBufferSize * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) doesn't overflow
//
if (BltBufferSize > DivU64x32 ((UINTN) ~0, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), NULL)) {
return EFI_UNSUPPORTED;
}
BltBufferSize = MultU64x32 (BltBufferSize, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
IsAllocated = FALSE;
if (*GopBlt == NULL) {
*GopBltSize = (UINTN) BltBufferSize;
*GopBlt = EfiLibAllocatePool (*GopBltSize);
IsAllocated = TRUE;
if (*GopBlt == NULL) {
return EFI_OUT_OF_RESOURCES;
}
} else {
if (*GopBltSize < (UINTN) BltBufferSize) {
*GopBltSize = (UINTN) BltBufferSize;
return EFI_BUFFER_TOO_SMALL;
}
}
*PixelWidth = BmpHeader->PixelWidth;
*PixelHeight = BmpHeader->PixelHeight;
//
// Convert image from BMP to Blt buffer format
//
BltBuffer = *GopBlt;
for (Height = 0; Height < BmpHeader->PixelHeight; Height++) {
Blt = &BltBuffer[(BmpHeader->PixelHeight - Height - 1) * BmpHeader->PixelWidth];
for (Width = 0; Width < BmpHeader->PixelWidth; Width++, Image++, Blt++) {
switch (BmpHeader->BitPerPixel) {
case 1:
//
// Convert 1bit BMP to 24-bit color
//
for (Index = 0; Index < 8 && Width < BmpHeader->PixelWidth; Index++) {
Blt->Red = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Red;
Blt->Green = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Green;
Blt->Blue = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Blue;
Blt++;
Width++;
}
Blt --;
Width --;
break;
case 4:
//
// Convert BMP Palette to 24-bit color
//
Index = (*Image) >> 4;
Blt->Red = BmpColorMap[Index].Red;
Blt->Green = BmpColorMap[Index].Green;
Blt->Blue = BmpColorMap[Index].Blue;
if (Width < (BmpHeader->PixelWidth - 1)) {
Blt++;
Width++;
Index = (*Image) & 0x0f;
Blt->Red = BmpColorMap[Index].Red;
Blt->Green = BmpColorMap[Index].Green;
Blt->Blue = BmpColorMap[Index].Blue;
}
break;
case 8:
//
// Convert BMP Palette to 24-bit color
//
Blt->Red = BmpColorMap[*Image].Red;
Blt->Green = BmpColorMap[*Image].Green;
Blt->Blue = BmpColorMap[*Image].Blue;
break;
case 24:
Blt->Blue = *Image++;
Blt->Green = *Image++;
Blt->Red = *Image;
break;
default:
if (IsAllocated) {
gBS->FreePool (*GopBlt);
*GopBlt = NULL;
}
return EFI_UNSUPPORTED;
break;
};
}
ImageIndex = (UINTN) (Image - ImageHeader);
if ((ImageIndex % 4) != 0) {
//
// Bmp Image starts each row on a 32-bit boundary!
//
Image = Image + (4 - (ImageIndex % 4));
}
}
return EFI_SUCCESS;
}
EFI_STATUS
LockKeyboards (
IN CHAR16 *Password
)
/*++
Routine Description:
Use Console Control Protocol to lock the Console In Spliter virtual handle.
This is the ConInHandle and ConIn handle in the EFI system table. All key
presses will be ignored until the Password is typed in. The only way to
disable the password is to type it in to a ConIn device.
Arguments:
Password - Password used to lock ConIn device
Returns:
EFI_SUCCESS - ConsoleControl has been flipped to graphics and logo
displayed.
EFI_UNSUPPORTED - Logo not found
--*/
{
EFI_STATUS Status;
EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID**)&ConsoleControl);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
Status = ConsoleControl->LockStdIn (ConsoleControl, Password);
return Status;
}
EFI_STATUS
EnableQuietBoot (
IN EFI_GUID *LogoFile
)
/*++
Routine Description:
Use Console Control to turn off UGA based Simple Text Out consoles from going
to the UGA device. Put up LogoFile on every UGA device that is a console
Arguments:
LogoFile - File name of logo to display on the center of the screen.
Returns:
EFI_SUCCESS - ConsoleControl has been flipped to graphics and logo
displayed.
EFI_UNSUPPORTED - Logo not found
--*/
{
return EnableQuietBootEx (LogoFile, NULL);
}
EFI_STATUS
EnableQuietBootEx (
IN EFI_GUID *LogoFile,
IN EFI_HANDLE ImageHandle
)
/*++
Routine Description:
Use Console Control to turn off GOP/UGA based Simple Text Out consoles from going
to the GOP/UGA device. Put up LogoFile on every GOP/UGA device that is a console
Arguments:
LogoFile - File name of logo to display on the center of the screen.
ImageHandle - The driver image handle of the caller. The parameter is used to
optimize the loading of the logo file so that the FV from which
the driver image is loaded will be tried first.
Returns:
EFI_SUCCESS - ConsoleControl has been flipped to graphics and logo
displayed.
EFI_UNSUPPORTED - Logo not found
--*/
{
EFI_STATUS Status;
EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
EFI_OEM_BADGING_PROTOCOL *Badging;
UINT32 SizeOfX;
UINT32 SizeOfY;
INTN DestX;
INTN DestY;
UINT8 *ImageData;
UINTN ImageSize;
UINTN BltSize;
UINT32 Instance;
EFI_BADGING_FORMAT Format;
EFI_BADGING_DISPLAY_ATTRIBUTE Attribute;
UINTN CoordinateX;
UINTN CoordinateY;
UINTN Height;
UINTN Width;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
EFI_UGA_DRAW_PROTOCOL *UgaDraw;
UINT32 ColorDepth;
UINT32 RefreshRate;
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID**)&ConsoleControl);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
UgaDraw = NULL;
//
// Try to open GOP first
//
Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiGraphicsOutputProtocolGuid, (VOID**)&GraphicsOutput);
if (EFI_ERROR (Status)) {
GraphicsOutput = NULL;
//
// Open GOP failed, try to open UGA
//
Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiUgaDrawProtocolGuid, (VOID**)&UgaDraw);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
}
Badging = NULL;
Status = gBS->LocateProtocol (&gEfiOEMBadgingProtocolGuid, NULL, (VOID**)&Badging);
ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenGraphics);
if (GraphicsOutput != NULL) {
SizeOfX = GraphicsOutput->Mode->Info->HorizontalResolution;
SizeOfY = GraphicsOutput->Mode->Info->VerticalResolution;
} else if (UgaDraw != NULL) {
Status = UgaDraw->GetMode (UgaDraw, &SizeOfX, &SizeOfY, &ColorDepth, &RefreshRate);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
} else {
return EFI_UNSUPPORTED;
}
Instance = 0;
while (1) {
ImageData = NULL;
ImageSize = 0;
if (Badging != NULL) {
Status = Badging->GetImage (
Badging,
&Instance,
&Format,
&ImageData,
&ImageSize,
&Attribute,
&CoordinateX,
&CoordinateY
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Currently only support BMP format
//
if (Format != EfiBadgingFormatBMP) {
gBS->FreePool (ImageData);
continue;
}
} else {
Status = GetGraphicsBitMapFromFVEx (ImageHandle, LogoFile, (VOID **) &ImageData, &ImageSize);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
CoordinateX = 0;
CoordinateY = 0;
Attribute = EfiBadgingDisplayAttributeCenter;
}
Blt = NULL;
Status = ConvertBmpToGopBlt (
ImageData,
ImageSize,
(VOID**)&Blt,
&BltSize,
&Height,
&Width
);
if (EFI_ERROR (Status)) {
gBS->FreePool (ImageData);
if (Badging == NULL) {
return Status;
} else {
continue;
}
}
switch (Attribute) {
case EfiBadgingDisplayAttributeLeftTop:
DestX = CoordinateX;
DestY = CoordinateY;
break;
case EfiBadgingDisplayAttributeCenterTop:
DestX = (SizeOfX - Width) / 2;
DestY = CoordinateY;
break;
case EfiBadgingDisplayAttributeRightTop:
DestX = (SizeOfX - Width - CoordinateX);
DestY = CoordinateY;;
break;
case EfiBadgingDisplayAttributeCenterRight:
DestX = (SizeOfX - Width - CoordinateX);
DestY = (SizeOfY - Height) / 2;
break;
case EfiBadgingDisplayAttributeRightBottom:
DestX = (SizeOfX - Width - CoordinateX);
DestY = (SizeOfY - Height - CoordinateY);
break;
case EfiBadgingDisplayAttributeCenterBottom:
DestX = (SizeOfX - Width) / 2;
DestY = (SizeOfY - Height - CoordinateY);
break;
case EfiBadgingDisplayAttributeLeftBottom:
DestX = CoordinateX;
DestY = (SizeOfY - Height - CoordinateY);
break;
case EfiBadgingDisplayAttributeCenterLeft:
DestX = CoordinateX;
DestY = (SizeOfY - Height) / 2;
break;
case EfiBadgingDisplayAttributeCenter:
DestX = (SizeOfX - Width) / 2;
DestY = (SizeOfY - Height) / 2;
break;
default:
DestX = CoordinateX;
DestY = CoordinateY;
break;
}
if ((DestX >= 0) && (DestY >= 0)) {
if (GraphicsOutput != NULL) {
Status = GraphicsOutput->Blt (
GraphicsOutput,
Blt,
EfiBltBufferToVideo,
0,
0,
(UINTN) DestX,
(UINTN) DestY,
Width,
Height,
Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
);
} else {
Status = UgaDraw->Blt (
UgaDraw,
(EFI_UGA_PIXEL *) Blt,
EfiUgaBltBufferToVideo,
0,
0,
(UINTN) DestX,
(UINTN) DestY,
Width,
Height,
Width * sizeof (EFI_UGA_PIXEL)
);
}
}
gBS->FreePool (ImageData);
gBS->FreePool (Blt);
if (Badging == NULL) {
break;
}
}
return Status;
}
EFI_STATUS
DisableQuietBoot (
VOID
)
/*++
Routine Description:
Use Console Control to turn on GOP/UGA based Simple Text Out consoles. The GOP/UGA
Simple Text Out screens will now be synced up with all non GOP/UGA output devices
Arguments:
NONE
Returns:
EFI_SUCCESS - GOP/UGA devices are back in text mode and synced up.
EFI_UNSUPPORTED - Logo not found
--*/
{
EFI_STATUS Status;
EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID**)&ConsoleControl);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
return ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenText);
}
|