summaryrefslogtreecommitdiff
path: root/OptionRomPkg/Library/GopBltLib/GopBltLib.c
blob: 1fb34fa07d595ddfdf7a7b811a6f41ceb7b5f4a5 (plain)
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
/** @file
  GopBltLib - Library to perform blt using the UEFI Graphics Output Protocol.

  Copyright (c) 2007 - 2011, 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.

**/

#include "PiDxe.h"

#include <Protocol/GraphicsOutput.h>

#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/BltLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>

EFI_GRAPHICS_OUTPUT_PROTOCOL         *mGop = NULL;


/**
  Configure the FrameBufferLib instance

  @param[in] FrameBuffer      Pointer to the start of the frame buffer
  @param[in] FrameBufferInfo  Describes the frame buffer characteristics

  @retval  EFI_INVALID_PARAMETER - Invalid parameter
  @retval  EFI_UNSUPPORTED - The BltLib does not support this configuration
  @retval  EFI_SUCCESS - Blt operation success

**/
EFI_STATUS
EFIAPI
BltLibConfigure (
  IN  VOID                                 *FrameBuffer,
  IN  EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *FrameBufferInfo
  )
{
  EFI_STATUS                      Status;
  EFI_HANDLE                      *HandleBuffer;
  UINTN                           HandleCount;
  UINTN                           Index;
  EFI_GRAPHICS_OUTPUT_PROTOCOL    *Gop;

  Status = gBS->LocateHandleBuffer (
                  ByProtocol,
                  &gEfiGraphicsOutputProtocolGuid,
                  NULL,
                  &HandleCount,
                  &HandleBuffer
                  );
  if (!EFI_ERROR (Status)) {
    for (Index = 0; Index < HandleCount; Index++) {
      Status = gBS->HandleProtocol (
                      HandleBuffer[Index],
                      &gEfiGraphicsOutputProtocolGuid,
                      (VOID*) &Gop
                      );
      if (!EFI_ERROR (Status) &&
          (FrameBuffer == (VOID*)(UINTN) Gop->Mode->FrameBufferBase)) {
        mGop = Gop;
        FreePool (HandleBuffer);
        return EFI_SUCCESS;
      }
    }

    FreePool (HandleBuffer);
  }

  return EFI_UNSUPPORTED;
}


/**
  Performs a UEFI Graphics Output Protocol Blt operation.

  @param[in,out] BltBuffer     - The data to transfer to screen
  @param[in]     BltOperation  - The operation to perform
  @param[in]     SourceX       - The X coordinate of the source for BltOperation
  @param[in]     SourceY       - The Y coordinate of the source for BltOperation
  @param[in]     DestinationX  - The X coordinate of the destination for BltOperation
  @param[in]     DestinationY  - The Y coordinate of the destination for BltOperation
  @param[in]     Width         - The width of a rectangle in the blt rectangle in pixels
  @param[in]     Height        - The height of a rectangle in the blt rectangle in pixels
  @param[in]     Delta         - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
                                 If a Delta of 0 is used, the entire BltBuffer will be operated on.
                                 If a subrectangle of the BltBuffer is used, then Delta represents
                                 the number of bytes in a row of the BltBuffer.

  @retval  EFI_DEVICE_ERROR - A hardware error occured
  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - Blt operation success

**/
EFI_STATUS
InternalGopBltCommon (
  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer, OPTIONAL
  IN  EFI_GRAPHICS_OUTPUT_BLT_OPERATION     BltOperation,
  IN  UINTN                                 SourceX,
  IN  UINTN                                 SourceY,
  IN  UINTN                                 DestinationX,
  IN  UINTN                                 DestinationY,
  IN  UINTN                                 Width,
  IN  UINTN                                 Height,
  IN  UINTN                                 Delta
  )
{
  if (mGop == NULL) {
    return EFI_DEVICE_ERROR;
  }

  return mGop->Blt (
                 mGop,
                 BltBuffer,
                 BltOperation,
                 SourceX,
                 SourceY,
                 DestinationX,
                 DestinationY,
                 Width,
                 Height,
                 Delta
                 );
}


/**
  Performs a UEFI Graphics Output Protocol Blt operation.

  @param[in,out] BltBuffer     - The data to transfer to screen
  @param[in]     BltOperation  - The operation to perform
  @param[in]     SourceX       - The X coordinate of the source for BltOperation
  @param[in]     SourceY       - The Y coordinate of the source for BltOperation
  @param[in]     DestinationX  - The X coordinate of the destination for BltOperation
  @param[in]     DestinationY  - The Y coordinate of the destination for BltOperation
  @param[in]     Width         - The width of a rectangle in the blt rectangle in pixels
  @param[in]     Height        - The height of a rectangle in the blt rectangle in pixels
  @param[in]     Delta         - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
                                 If a Delta of 0 is used, the entire BltBuffer will be operated on.
                                 If a subrectangle of the BltBuffer is used, then Delta represents
                                 the number of bytes in a row of the BltBuffer.

  @retval  EFI_DEVICE_ERROR - A hardware error occured
  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - Blt operation success

**/
EFI_STATUS
EFIAPI
BltLibGopBlt (
  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer, OPTIONAL
  IN  EFI_GRAPHICS_OUTPUT_BLT_OPERATION     BltOperation,
  IN  UINTN                                 SourceX,
  IN  UINTN                                 SourceY,
  IN  UINTN                                 DestinationX,
  IN  UINTN                                 DestinationY,
  IN  UINTN                                 Width,
  IN  UINTN                                 Height,
  IN  UINTN                                 Delta
  )
{
  return InternalGopBltCommon (
           BltBuffer,
           BltOperation,
           SourceX,
           SourceY,
           DestinationX,
           DestinationY,
           Width,
           Height,
           Delta
           );
}


/**
  Performs a UEFI Graphics Output Protocol Blt Video Fill.

  @param[in]  Color         Color to fill the region with
  @param[in]  DestinationX  X location to start fill operation
  @param[in]  DestinationY  Y location to start fill operation
  @param[in]  Width         Width (in pixels) to fill
  @param[in]  Height        Height to fill

  @retval  EFI_DEVICE_ERROR - A hardware error occured
  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - The sizes were returned

**/
EFI_STATUS
EFIAPI
BltLibVideoFill (
  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *Color,
  IN  UINTN                                 DestinationX,
  IN  UINTN                                 DestinationY,
  IN  UINTN                                 Width,
  IN  UINTN                                 Height
  )
{
  return InternalGopBltCommon (
           Color,
           EfiBltVideoFill,
           0,
           0,
           DestinationX,
           DestinationY,
           Width,
           Height,
           0
           );
}


/**
  Performs a UEFI Graphics Output Protocol Blt Video to Buffer operation.

  @param[out] BltBuffer     Output buffer for pixel color data
  @param[in]  SourceX       X location within video
  @param[in]  SourceY       Y location within video
  @param[in]  Width         Width (in pixels)
  @param[in]  Height        Height

  @retval  EFI_DEVICE_ERROR - A hardware error occured
  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - The sizes were returned

**/
EFI_STATUS
EFIAPI
BltLibVideoToBltBuffer (
  OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer,
  IN  UINTN                                 SourceX,
  IN  UINTN                                 SourceY,
  IN  UINTN                                 Width,
  IN  UINTN                                 Height
  )
{
  return InternalGopBltCommon (
           BltBuffer,
           EfiBltVideoToBltBuffer,
           SourceX,
           SourceY,
           0,
           0,
           Width,
           Height,
           0
           );
}


/**
  Performs a UEFI Graphics Output Protocol Blt Video to Buffer operation
  with extended parameters.

  @param[out] BltBuffer     Output buffer for pixel color data
  @param[in]  SourceX       X location within video
  @param[in]  SourceY       Y location within video
  @param[in]  DestinationX  X location within BltBuffer
  @param[in]  DestinationY  Y location within BltBuffer
  @param[in]  Width         Width (in pixels)
  @param[in]  Height        Height
  @param[in]  Delta         Number of bytes in a row of BltBuffer

  @retval  EFI_DEVICE_ERROR - A hardware error occured
  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - The sizes were returned

**/
EFI_STATUS
EFIAPI
BltLibVideoToBltBufferEx (
  OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer,
  IN  UINTN                                 SourceX,
  IN  UINTN                                 SourceY,
  IN  UINTN                                 DestinationX,
  IN  UINTN                                 DestinationY,
  IN  UINTN                                 Width,
  IN  UINTN                                 Height,
  IN  UINTN                                 Delta
  )
{
  return InternalGopBltCommon (
           BltBuffer,
           EfiBltVideoToBltBuffer,
           SourceX,
           SourceY,
           DestinationX,
           DestinationY,
           Width,
           Height,
           Delta
           );
}


/**
  Performs a UEFI Graphics Output Protocol Blt Buffer to Video operation.

  @param[in]  BltBuffer     Output buffer for pixel color data
  @param[in]  DestinationX  X location within video
  @param[in]  DestinationY  Y location within video
  @param[in]  Width         Width (in pixels)
  @param[in]  Height        Height

  @retval  EFI_DEVICE_ERROR - A hardware error occured
  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - The sizes were returned

**/
EFI_STATUS
EFIAPI
BltLibBufferToVideo (
  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer,
  IN  UINTN                                 DestinationX,
  IN  UINTN                                 DestinationY,
  IN  UINTN                                 Width,
  IN  UINTN                                 Height
  )
{
  return InternalGopBltCommon (
           BltBuffer,
           EfiBltBufferToVideo,
           0,
           0,
           DestinationX,
           DestinationY,
           Width,
           Height,
           0
           );
}


/**
  Performs a UEFI Graphics Output Protocol Blt Buffer to Video operation
  with extended parameters.

  @param[in]  BltBuffer     Output buffer for pixel color data
  @param[in]  SourceX       X location within BltBuffer
  @param[in]  SourceY       Y location within BltBuffer
  @param[in]  DestinationX  X location within video
  @param[in]  DestinationY  Y location within video
  @param[in]  Width         Width (in pixels)
  @param[in]  Height        Height
  @param[in]  Delta         Number of bytes in a row of BltBuffer

  @retval  EFI_DEVICE_ERROR - A hardware error occured
  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - The sizes were returned

**/
EFI_STATUS
EFIAPI
BltLibBufferToVideoEx (
  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer,
  IN  UINTN                                 SourceX,
  IN  UINTN                                 SourceY,
  IN  UINTN                                 DestinationX,
  IN  UINTN                                 DestinationY,
  IN  UINTN                                 Width,
  IN  UINTN                                 Height,
  IN  UINTN                                 Delta
  )
{
  return InternalGopBltCommon (
           BltBuffer,
           EfiBltBufferToVideo,
           SourceX,
           SourceY,
           DestinationX,
           DestinationY,
           Width,
           Height,
           Delta
           );
}


/**
  Performs a UEFI Graphics Output Protocol Blt Video to Video operation

  @param[in]  SourceX       X location within video
  @param[in]  SourceY       Y location within video
  @param[in]  DestinationX  X location within video
  @param[in]  DestinationY  Y location within video
  @param[in]  Width         Width (in pixels)
  @param[in]  Height        Height

  @retval  EFI_DEVICE_ERROR - A hardware error occured
  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - The sizes were returned

**/
EFI_STATUS
EFIAPI
BltLibVideoToVideo (
  IN  UINTN                                 SourceX,
  IN  UINTN                                 SourceY,
  IN  UINTN                                 DestinationX,
  IN  UINTN                                 DestinationY,
  IN  UINTN                                 Width,
  IN  UINTN                                 Height
  )
{
  return InternalGopBltCommon (
           NULL,
           EfiBltVideoToVideo,
           SourceX,
           SourceY,
           DestinationX,
           DestinationY,
           Width,
           Height,
           0
           );
}

/**
  Returns the sizes related to the video device

  @param[out]  Width   Width (in pixels)
  @param[out]  Height  Height (in pixels)

  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - The sizes were returned

**/
EFI_STATUS
EFIAPI
BltLibGetSizes (
  OUT UINTN                                 *Width,  OPTIONAL
  OUT UINTN                                 *Height  OPTIONAL
  )
{
  ASSERT (mGop != NULL);

  if (Width != NULL) {
    *Width = mGop->Mode->Info->HorizontalResolution;
  }
  if (Height != NULL) {
    *Height = mGop->Mode->Info->VerticalResolution;
  }

  return EFI_SUCCESS;
}