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b1ca3860 RN |
1 | /** @file\r |
2 | FrameBufferBltLib - Library to perform blt operations on a frame buffer.\r | |
3 | \r | |
043944c5 | 4 | Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r |
b1ca3860 RN |
5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include <Uefi/UefiBaseType.h>\r | |
16 | #include <Protocol/GraphicsOutput.h>\r | |
17 | \r | |
18 | #include <Library/BaseLib.h>\r | |
19 | #include <Library/BaseMemoryLib.h>\r | |
20 | #include <Library/DebugLib.h>\r | |
21 | #include <Library/FrameBufferBltLib.h>\r | |
22 | \r | |
23 | struct FRAME_BUFFER_CONFIGURE {\r | |
5ae07233 | 24 | UINT32 PixelsPerScanLine;\r |
043944c5 | 25 | UINT32 BytesPerPixel;\r |
5ae07233 | 26 | UINT32 Width;\r |
043944c5 | 27 | UINT32 Height;\r |
b1ca3860 RN |
28 | UINT8 *FrameBuffer;\r |
29 | EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;\r | |
30 | EFI_PIXEL_BITMASK PixelMasks;\r | |
5af29d0d RN |
31 | INT8 PixelShl[4]; // R-G-B-Rsvd\r |
32 | INT8 PixelShr[4]; // R-G-B-Rsvd\r | |
1d71d0c7 | 33 | UINT8 LineBuffer[0];\r |
b1ca3860 RN |
34 | };\r |
35 | \r | |
36 | CONST EFI_PIXEL_BITMASK mRgbPixelMasks = {\r | |
37 | 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000\r | |
38 | };\r | |
39 | \r | |
40 | CONST EFI_PIXEL_BITMASK mBgrPixelMasks = {\r | |
41 | 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000\r | |
42 | };\r | |
43 | \r | |
44 | /**\r | |
45 | Initialize the bit mask in frame buffer configure.\r | |
46 | \r | |
5af29d0d RN |
47 | @param BitMask The bit mask of pixel.\r |
48 | @param BytesPerPixel Size in bytes of pixel.\r | |
49 | @param PixelShl Left shift array.\r | |
50 | @param PixelShr Right shift array.\r | |
b1ca3860 RN |
51 | **/\r |
52 | VOID\r | |
5af29d0d RN |
53 | FrameBufferBltLibConfigurePixelFormat (\r |
54 | IN CONST EFI_PIXEL_BITMASK *BitMask,\r | |
043944c5 | 55 | OUT UINT32 *BytesPerPixel,\r |
5af29d0d RN |
56 | OUT INT8 *PixelShl,\r |
57 | OUT INT8 *PixelShr\r | |
b1ca3860 RN |
58 | )\r |
59 | {\r | |
5af29d0d | 60 | UINT8 Index;\r |
b1ca3860 RN |
61 | UINT32 *Masks;\r |
62 | UINT32 MergedMasks;\r | |
63 | \r | |
5af29d0d RN |
64 | ASSERT (BytesPerPixel != NULL);\r |
65 | \r | |
b1ca3860 RN |
66 | MergedMasks = 0;\r |
67 | Masks = (UINT32*) BitMask;\r | |
5af29d0d RN |
68 | for (Index = 0; Index < 3; Index++) {\r |
69 | ASSERT ((MergedMasks & Masks[Index]) == 0);\r | |
70 | \r | |
71 | PixelShl[Index] = (INT8) HighBitSet32 (Masks[Index]) - 23 + (Index * 8);\r | |
72 | if (PixelShl[Index] < 0) {\r | |
73 | PixelShr[Index] = -PixelShl[Index];\r | |
74 | PixelShl[Index] = 0;\r | |
b1ca3860 | 75 | } else {\r |
5af29d0d | 76 | PixelShr[Index] = 0;\r |
b1ca3860 | 77 | }\r |
5af29d0d RN |
78 | DEBUG ((DEBUG_INFO, "%d: shl:%d shr:%d mask:%x\n", Index,\r |
79 | PixelShl[Index], PixelShr[Index], Masks[Index]));\r | |
80 | \r | |
81 | MergedMasks = (UINT32) (MergedMasks | Masks[Index]);\r | |
b1ca3860 RN |
82 | }\r |
83 | MergedMasks = (UINT32) (MergedMasks | Masks[3]);\r | |
84 | \r | |
85 | ASSERT (MergedMasks != 0);\r | |
043944c5 | 86 | *BytesPerPixel = (UINT32) ((HighBitSet32 (MergedMasks) + 7) / 8);\r |
5af29d0d | 87 | DEBUG ((DEBUG_INFO, "Bytes per pixel: %d\n", *BytesPerPixel));\r |
b1ca3860 RN |
88 | }\r |
89 | \r | |
90 | /**\r | |
91 | Create the configuration for a video frame buffer.\r | |
92 | \r | |
93 | The configuration is returned in the caller provided buffer.\r | |
94 | \r | |
95 | @param[in] FrameBuffer Pointer to the start of the frame buffer.\r | |
96 | @param[in] FrameBufferInfo Describes the frame buffer characteristics.\r | |
97 | @param[in,out] Configure The created configuration information.\r | |
98 | @param[in,out] ConfigureSize Size of the configuration information.\r | |
99 | \r | |
100 | @retval RETURN_SUCCESS The configuration was successful created.\r | |
101 | @retval RETURN_BUFFER_TOO_SMALL The Configure is to too small. The required\r | |
102 | size is returned in ConfigureSize.\r | |
103 | @retval RETURN_UNSUPPORTED The requested mode is not supported by\r | |
104 | this implementaion.\r | |
105 | \r | |
106 | **/\r | |
107 | RETURN_STATUS\r | |
108 | EFIAPI\r | |
109 | FrameBufferBltConfigure (\r | |
110 | IN VOID *FrameBuffer,\r | |
111 | IN EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *FrameBufferInfo,\r | |
112 | IN OUT FRAME_BUFFER_CONFIGURE *Configure,\r | |
113 | IN OUT UINTN *ConfigureSize\r | |
114 | )\r | |
115 | {\r | |
5af29d0d | 116 | CONST EFI_PIXEL_BITMASK *BitMask;\r |
043944c5 | 117 | UINT32 BytesPerPixel;\r |
5af29d0d RN |
118 | INT8 PixelShl[4];\r |
119 | INT8 PixelShr[4];\r | |
120 | \r | |
b1ca3860 RN |
121 | if (ConfigureSize == NULL) {\r |
122 | return RETURN_INVALID_PARAMETER;\r | |
123 | }\r | |
124 | \r | |
b1ca3860 RN |
125 | switch (FrameBufferInfo->PixelFormat) {\r |
126 | case PixelRedGreenBlueReserved8BitPerColor:\r | |
5af29d0d | 127 | BitMask = &mRgbPixelMasks;\r |
b1ca3860 RN |
128 | break;\r |
129 | \r | |
130 | case PixelBlueGreenRedReserved8BitPerColor:\r | |
5af29d0d | 131 | BitMask = &mBgrPixelMasks;\r |
b1ca3860 RN |
132 | break;\r |
133 | \r | |
134 | case PixelBitMask:\r | |
5af29d0d | 135 | BitMask = &FrameBufferInfo->PixelInformation;\r |
b1ca3860 RN |
136 | break;\r |
137 | \r | |
138 | case PixelBltOnly:\r | |
139 | ASSERT (FrameBufferInfo->PixelFormat != PixelBltOnly);\r | |
140 | return RETURN_UNSUPPORTED;\r | |
141 | \r | |
142 | default:\r | |
143 | ASSERT (FALSE);\r | |
144 | return RETURN_INVALID_PARAMETER;\r | |
145 | }\r | |
146 | \r | |
5ae07233 RN |
147 | if (FrameBufferInfo->PixelsPerScanLine < FrameBufferInfo->HorizontalResolution) {\r |
148 | return RETURN_UNSUPPORTED;\r | |
149 | }\r | |
150 | \r | |
5af29d0d RN |
151 | FrameBufferBltLibConfigurePixelFormat (BitMask, &BytesPerPixel, PixelShl, PixelShr);\r |
152 | \r | |
1d71d0c7 RN |
153 | if (*ConfigureSize < sizeof (FRAME_BUFFER_CONFIGURE)\r |
154 | + FrameBufferInfo->HorizontalResolution * BytesPerPixel) {\r | |
155 | *ConfigureSize = sizeof (FRAME_BUFFER_CONFIGURE)\r | |
156 | + FrameBufferInfo->HorizontalResolution * BytesPerPixel;\r | |
157 | return RETURN_BUFFER_TOO_SMALL;\r | |
158 | }\r | |
159 | \r | |
160 | if (Configure == NULL) {\r | |
161 | return RETURN_INVALID_PARAMETER;\r | |
162 | }\r | |
163 | \r | |
5af29d0d RN |
164 | CopyMem (&Configure->PixelMasks, BitMask, sizeof (*BitMask));\r |
165 | CopyMem (Configure->PixelShl, PixelShl, sizeof (PixelShl));\r | |
166 | CopyMem (Configure->PixelShr, PixelShr, sizeof (PixelShr));\r | |
5ae07233 RN |
167 | Configure->BytesPerPixel = BytesPerPixel;\r |
168 | Configure->PixelFormat = FrameBufferInfo->PixelFormat;\r | |
169 | Configure->FrameBuffer = (UINT8*) FrameBuffer;\r | |
170 | Configure->Width = FrameBufferInfo->HorizontalResolution;\r | |
171 | Configure->Height = FrameBufferInfo->VerticalResolution;\r | |
172 | Configure->PixelsPerScanLine = FrameBufferInfo->PixelsPerScanLine;\r | |
b1ca3860 | 173 | \r |
b1ca3860 RN |
174 | return RETURN_SUCCESS;\r |
175 | }\r | |
176 | \r | |
177 | /**\r | |
178 | Performs a UEFI Graphics Output Protocol Blt Video Fill.\r | |
179 | \r | |
180 | @param[in] Configure Pointer to a configuration which was successfully\r | |
181 | created by FrameBufferBltConfigure ().\r | |
182 | @param[in] Color Color to fill the region with.\r | |
183 | @param[in] DestinationX X location to start fill operation.\r | |
184 | @param[in] DestinationY Y location to start fill operation.\r | |
185 | @param[in] Width Width (in pixels) to fill.\r | |
186 | @param[in] Height Height to fill.\r | |
187 | \r | |
188 | @retval RETURN_INVALID_PARAMETER Invalid parameter was passed in.\r | |
189 | @retval RETURN_SUCCESS The video was filled successfully.\r | |
190 | \r | |
191 | **/\r | |
192 | EFI_STATUS\r | |
193 | FrameBufferBltLibVideoFill (\r | |
194 | IN FRAME_BUFFER_CONFIGURE *Configure,\r | |
195 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Color,\r | |
196 | IN UINTN DestinationX,\r | |
197 | IN UINTN DestinationY,\r | |
198 | IN UINTN Width,\r | |
199 | IN UINTN Height\r | |
200 | )\r | |
201 | {\r | |
202 | UINTN IndexX;\r | |
203 | UINTN IndexY;\r | |
204 | UINT8 *Destination;\r | |
205 | UINT8 Uint8;\r | |
206 | UINT32 Uint32;\r | |
207 | UINT64 WideFill;\r | |
208 | BOOLEAN UseWideFill;\r | |
209 | BOOLEAN LineBufferReady;\r | |
210 | UINTN Offset;\r | |
211 | UINTN WidthInBytes;\r | |
212 | UINTN SizeInBytes;\r | |
213 | \r | |
214 | //\r | |
215 | // BltBuffer to Video: Source is BltBuffer, destination is Video\r | |
216 | //\r | |
217 | if (DestinationY + Height > Configure->Height) {\r | |
218 | DEBUG ((EFI_D_VERBOSE, "VideoFill: Past screen (Y)\n"));\r | |
219 | return RETURN_INVALID_PARAMETER;\r | |
220 | }\r | |
221 | \r | |
5ae07233 | 222 | if (DestinationX + Width > Configure->Width) {\r |
b1ca3860 RN |
223 | DEBUG ((EFI_D_VERBOSE, "VideoFill: Past screen (X)\n"));\r |
224 | return RETURN_INVALID_PARAMETER;\r | |
225 | }\r | |
226 | \r | |
227 | if (Width == 0 || Height == 0) {\r | |
228 | DEBUG ((EFI_D_VERBOSE, "VideoFill: Width or Height is 0\n"));\r | |
229 | return RETURN_INVALID_PARAMETER;\r | |
230 | }\r | |
231 | \r | |
232 | WidthInBytes = Width * Configure->BytesPerPixel;\r | |
233 | \r | |
234 | Uint32 = *(UINT32*) Color;\r | |
235 | WideFill =\r | |
236 | (UINT32) (\r | |
237 | (((Uint32 << Configure->PixelShl[0]) >> Configure->PixelShr[0]) &\r | |
238 | Configure->PixelMasks.RedMask) |\r | |
239 | (((Uint32 << Configure->PixelShl[1]) >> Configure->PixelShr[1]) &\r | |
240 | Configure->PixelMasks.GreenMask) |\r | |
241 | (((Uint32 << Configure->PixelShl[2]) >> Configure->PixelShr[2]) &\r | |
242 | Configure->PixelMasks.BlueMask)\r | |
243 | );\r | |
244 | DEBUG ((EFI_D_VERBOSE, "VideoFill: color=0x%x, wide-fill=0x%x\n",\r | |
245 | Uint32, WideFill));\r | |
246 | \r | |
247 | //\r | |
248 | // If the size of the pixel data evenly divides the sizeof\r | |
249 | // WideFill, then a wide fill operation can be used\r | |
250 | //\r | |
251 | UseWideFill = TRUE;\r | |
252 | if ((sizeof (WideFill) % Configure->BytesPerPixel) == 0) {\r | |
253 | for (IndexX = Configure->BytesPerPixel; IndexX < sizeof (WideFill); IndexX++) {\r | |
254 | ((UINT8*) &WideFill)[IndexX] = ((UINT8*) &WideFill)[IndexX % Configure->BytesPerPixel];\r | |
255 | }\r | |
256 | } else {\r | |
257 | //\r | |
258 | // If all the bytes in the pixel are the same value, then use\r | |
259 | // a wide fill operation.\r | |
260 | //\r | |
261 | for (\r | |
262 | IndexX = 1, Uint8 = ((UINT8*) &WideFill)[0];\r | |
263 | IndexX < Configure->BytesPerPixel;\r | |
264 | IndexX++) {\r | |
265 | if (Uint8 != ((UINT8*) &WideFill)[IndexX]) {\r | |
266 | UseWideFill = FALSE;\r | |
267 | break;\r | |
268 | }\r | |
269 | }\r | |
270 | if (UseWideFill) {\r | |
271 | SetMem (&WideFill, sizeof (WideFill), Uint8);\r | |
272 | }\r | |
273 | }\r | |
274 | \r | |
5ae07233 | 275 | if (UseWideFill && (DestinationX == 0) && (Width == Configure->PixelsPerScanLine)) {\r |
b1ca3860 | 276 | DEBUG ((EFI_D_VERBOSE, "VideoFill (wide, one-shot)\n"));\r |
5ae07233 | 277 | Offset = DestinationY * Configure->PixelsPerScanLine;\r |
b1ca3860 RN |
278 | Offset = Configure->BytesPerPixel * Offset;\r |
279 | Destination = Configure->FrameBuffer + Offset;\r | |
280 | SizeInBytes = WidthInBytes * Height;\r | |
281 | if (SizeInBytes >= 8) {\r | |
282 | SetMem32 (Destination, SizeInBytes & ~3, (UINT32) WideFill);\r | |
0e58b55a | 283 | Destination += SizeInBytes & ~3;\r |
b1ca3860 RN |
284 | SizeInBytes &= 3;\r |
285 | }\r | |
286 | if (SizeInBytes > 0) {\r | |
287 | SetMem (Destination, SizeInBytes, (UINT8) (UINTN) WideFill);\r | |
288 | }\r | |
289 | } else {\r | |
290 | LineBufferReady = FALSE;\r | |
291 | for (IndexY = DestinationY; IndexY < (Height + DestinationY); IndexY++) {\r | |
5ae07233 | 292 | Offset = (IndexY * Configure->PixelsPerScanLine) + DestinationX;\r |
b1ca3860 RN |
293 | Offset = Configure->BytesPerPixel * Offset;\r |
294 | Destination = Configure->FrameBuffer + Offset;\r | |
295 | \r | |
296 | if (UseWideFill && (((UINTN) Destination & 7) == 0)) {\r | |
297 | DEBUG ((EFI_D_VERBOSE, "VideoFill (wide)\n"));\r | |
298 | SizeInBytes = WidthInBytes;\r | |
299 | if (SizeInBytes >= 8) {\r | |
300 | SetMem64 (Destination, SizeInBytes & ~7, WideFill);\r | |
0e58b55a | 301 | Destination += SizeInBytes & ~7;\r |
b1ca3860 RN |
302 | SizeInBytes &= 7;\r |
303 | }\r | |
304 | if (SizeInBytes > 0) {\r | |
305 | CopyMem (Destination, &WideFill, SizeInBytes);\r | |
306 | }\r | |
307 | } else {\r | |
308 | DEBUG ((EFI_D_VERBOSE, "VideoFill (not wide)\n"));\r | |
309 | if (!LineBufferReady) {\r | |
310 | CopyMem (Configure->LineBuffer, &WideFill, Configure->BytesPerPixel);\r | |
311 | for (IndexX = 1; IndexX < Width; ) {\r | |
312 | CopyMem (\r | |
313 | (Configure->LineBuffer + (IndexX * Configure->BytesPerPixel)),\r | |
314 | Configure->LineBuffer,\r | |
315 | MIN (IndexX, Width - IndexX) * Configure->BytesPerPixel\r | |
316 | );\r | |
317 | IndexX += MIN (IndexX, Width - IndexX);\r | |
318 | }\r | |
319 | LineBufferReady = TRUE;\r | |
320 | }\r | |
321 | CopyMem (Destination, Configure->LineBuffer, WidthInBytes);\r | |
322 | }\r | |
323 | }\r | |
324 | }\r | |
325 | \r | |
326 | return RETURN_SUCCESS;\r | |
327 | }\r | |
328 | \r | |
329 | /**\r | |
330 | Performs a UEFI Graphics Output Protocol Blt Video to Buffer operation\r | |
331 | with extended parameters.\r | |
332 | \r | |
333 | @param[in] Configure Pointer to a configuration which was successfully\r | |
334 | created by FrameBufferBltConfigure ().\r | |
335 | @param[out] BltBuffer Output buffer for pixel color data.\r | |
336 | @param[in] SourceX X location within video.\r | |
337 | @param[in] SourceY Y location within video.\r | |
338 | @param[in] DestinationX X location within BltBuffer.\r | |
339 | @param[in] DestinationY Y location within BltBuffer.\r | |
340 | @param[in] Width Width (in pixels).\r | |
341 | @param[in] Height Height.\r | |
342 | @param[in] Delta Number of bytes in a row of BltBuffer.\r | |
343 | \r | |
344 | @retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.\r | |
345 | @retval RETURN_SUCCESS The Blt operation was performed successfully.\r | |
346 | **/\r | |
347 | RETURN_STATUS\r | |
348 | FrameBufferBltLibVideoToBltBuffer (\r | |
349 | IN FRAME_BUFFER_CONFIGURE *Configure,\r | |
350 | OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,\r | |
351 | IN UINTN SourceX,\r | |
352 | IN UINTN SourceY,\r | |
353 | IN UINTN DestinationX,\r | |
354 | IN UINTN DestinationY,\r | |
355 | IN UINTN Width,\r | |
356 | IN UINTN Height,\r | |
357 | IN UINTN Delta\r | |
358 | )\r | |
359 | {\r | |
360 | UINTN DstY;\r | |
361 | UINTN SrcY;\r | |
362 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;\r | |
363 | UINT8 *Source;\r | |
364 | UINT8 *Destination;\r | |
365 | UINTN IndexX;\r | |
366 | UINT32 Uint32;\r | |
367 | UINTN Offset;\r | |
368 | UINTN WidthInBytes;\r | |
369 | \r | |
370 | //\r | |
371 | // Video to BltBuffer: Source is Video, destination is BltBuffer\r | |
372 | //\r | |
373 | if (SourceY + Height > Configure->Height) {\r | |
374 | return RETURN_INVALID_PARAMETER;\r | |
375 | }\r | |
376 | \r | |
5ae07233 | 377 | if (SourceX + Width > Configure->Width) {\r |
b1ca3860 RN |
378 | return RETURN_INVALID_PARAMETER;\r |
379 | }\r | |
380 | \r | |
381 | if (Width == 0 || Height == 0) {\r | |
382 | return RETURN_INVALID_PARAMETER;\r | |
383 | }\r | |
384 | \r | |
385 | //\r | |
386 | // If Delta is zero, then the entire BltBuffer is being used, so Delta is\r | |
387 | // the number of bytes in each row of BltBuffer. Since BltBuffer is Width\r | |
388 | // pixels size, the number of bytes in each row can be computed.\r | |
389 | //\r | |
390 | if (Delta == 0) {\r | |
391 | Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r | |
392 | }\r | |
393 | \r | |
394 | WidthInBytes = Width * Configure->BytesPerPixel;\r | |
395 | \r | |
396 | //\r | |
397 | // Video to BltBuffer: Source is Video, destination is BltBuffer\r | |
398 | //\r | |
399 | for (SrcY = SourceY, DstY = DestinationY;\r | |
400 | DstY < (Height + DestinationY);\r | |
401 | SrcY++, DstY++) {\r | |
402 | \r | |
5ae07233 | 403 | Offset = (SrcY * Configure->PixelsPerScanLine) + SourceX;\r |
b1ca3860 RN |
404 | Offset = Configure->BytesPerPixel * Offset;\r |
405 | Source = Configure->FrameBuffer + Offset;\r | |
406 | \r | |
407 | if (Configure->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {\r | |
408 | Destination = (UINT8 *) BltBuffer + (DstY * Delta) + (DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
409 | } else {\r | |
410 | Destination = Configure->LineBuffer;\r | |
411 | }\r | |
412 | \r | |
413 | CopyMem (Destination, Source, WidthInBytes);\r | |
414 | \r | |
415 | if (Configure->PixelFormat != PixelBlueGreenRedReserved8BitPerColor) {\r | |
416 | for (IndexX = 0; IndexX < Width; IndexX++) {\r | |
417 | Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)\r | |
418 | ((UINT8 *) BltBuffer + (DstY * Delta) +\r | |
419 | (DestinationX + IndexX) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
420 | Uint32 = *(UINT32*) (Configure->LineBuffer + (IndexX * Configure->BytesPerPixel));\r | |
421 | *(UINT32*) Blt =\r | |
422 | (UINT32) (\r | |
423 | (((Uint32 & Configure->PixelMasks.RedMask) >>\r | |
424 | Configure->PixelShl[0]) << Configure->PixelShr[0]) |\r | |
425 | (((Uint32 & Configure->PixelMasks.GreenMask) >>\r | |
426 | Configure->PixelShl[1]) << Configure->PixelShr[1]) |\r | |
427 | (((Uint32 & Configure->PixelMasks.BlueMask) >>\r | |
428 | Configure->PixelShl[2]) << Configure->PixelShr[2])\r | |
429 | );\r | |
430 | }\r | |
431 | }\r | |
432 | }\r | |
433 | \r | |
434 | return RETURN_SUCCESS;\r | |
435 | }\r | |
436 | \r | |
437 | /**\r | |
438 | Performs a UEFI Graphics Output Protocol Blt Buffer to Video operation\r | |
439 | with extended parameters.\r | |
440 | \r | |
441 | @param[in] Configure Pointer to a configuration which was successfully\r | |
442 | created by FrameBufferBltConfigure ().\r | |
443 | @param[in] BltBuffer Output buffer for pixel color data.\r | |
444 | @param[in] SourceX X location within BltBuffer.\r | |
445 | @param[in] SourceY Y location within BltBuffer.\r | |
446 | @param[in] DestinationX X location within video.\r | |
447 | @param[in] DestinationY Y location within video.\r | |
448 | @param[in] Width Width (in pixels).\r | |
449 | @param[in] Height Height.\r | |
450 | @param[in] Delta Number of bytes in a row of BltBuffer.\r | |
451 | \r | |
452 | @retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.\r | |
453 | @retval RETURN_SUCCESS The Blt operation was performed successfully.\r | |
454 | **/\r | |
455 | RETURN_STATUS\r | |
456 | FrameBufferBltLibBufferToVideo (\r | |
457 | IN FRAME_BUFFER_CONFIGURE *Configure,\r | |
458 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,\r | |
459 | IN UINTN SourceX,\r | |
460 | IN UINTN SourceY,\r | |
461 | IN UINTN DestinationX,\r | |
462 | IN UINTN DestinationY,\r | |
463 | IN UINTN Width,\r | |
464 | IN UINTN Height,\r | |
465 | IN UINTN Delta\r | |
466 | )\r | |
467 | {\r | |
468 | UINTN DstY;\r | |
469 | UINTN SrcY;\r | |
470 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;\r | |
471 | UINT8 *Source;\r | |
472 | UINT8 *Destination;\r | |
473 | UINTN IndexX;\r | |
474 | UINT32 Uint32;\r | |
475 | UINTN Offset;\r | |
476 | UINTN WidthInBytes;\r | |
477 | \r | |
478 | //\r | |
479 | // BltBuffer to Video: Source is BltBuffer, destination is Video\r | |
480 | //\r | |
481 | if (DestinationY + Height > Configure->Height) {\r | |
482 | return RETURN_INVALID_PARAMETER;\r | |
483 | }\r | |
484 | \r | |
5ae07233 | 485 | if (DestinationX + Width > Configure->Width) {\r |
b1ca3860 RN |
486 | return RETURN_INVALID_PARAMETER;\r |
487 | }\r | |
488 | \r | |
489 | if (Width == 0 || Height == 0) {\r | |
490 | return RETURN_INVALID_PARAMETER;\r | |
491 | }\r | |
492 | \r | |
493 | //\r | |
494 | // If Delta is zero, then the entire BltBuffer is being used, so Delta is\r | |
495 | // the number of bytes in each row of BltBuffer. Since BltBuffer is Width\r | |
496 | // pixels size, the number of bytes in each row can be computed.\r | |
497 | //\r | |
498 | if (Delta == 0) {\r | |
499 | Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r | |
500 | }\r | |
501 | \r | |
502 | WidthInBytes = Width * Configure->BytesPerPixel;\r | |
503 | \r | |
504 | for (SrcY = SourceY, DstY = DestinationY;\r | |
505 | SrcY < (Height + SourceY);\r | |
506 | SrcY++, DstY++) {\r | |
507 | \r | |
5ae07233 | 508 | Offset = (DstY * Configure->PixelsPerScanLine) + DestinationX;\r |
b1ca3860 RN |
509 | Offset = Configure->BytesPerPixel * Offset;\r |
510 | Destination = Configure->FrameBuffer + Offset;\r | |
511 | \r | |
512 | if (Configure->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {\r | |
513 | Source = (UINT8 *) BltBuffer + (SrcY * Delta);\r | |
514 | } else {\r | |
515 | for (IndexX = 0; IndexX < Width; IndexX++) {\r | |
516 | Blt =\r | |
517 | (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) (\r | |
518 | (UINT8 *) BltBuffer +\r | |
519 | (SrcY * Delta) +\r | |
520 | ((SourceX + IndexX) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL))\r | |
521 | );\r | |
522 | Uint32 = *(UINT32*) Blt;\r | |
523 | *(UINT32*) (Configure->LineBuffer + (IndexX * Configure->BytesPerPixel)) =\r | |
524 | (UINT32) (\r | |
525 | (((Uint32 << Configure->PixelShl[0]) >> Configure->PixelShr[0]) &\r | |
526 | Configure->PixelMasks.RedMask) |\r | |
527 | (((Uint32 << Configure->PixelShl[1]) >> Configure->PixelShr[1]) &\r | |
528 | Configure->PixelMasks.GreenMask) |\r | |
529 | (((Uint32 << Configure->PixelShl[2]) >> Configure->PixelShr[2]) &\r | |
530 | Configure->PixelMasks.BlueMask)\r | |
531 | );\r | |
532 | }\r | |
533 | Source = Configure->LineBuffer;\r | |
534 | }\r | |
535 | \r | |
536 | CopyMem (Destination, Source, WidthInBytes);\r | |
537 | }\r | |
538 | \r | |
539 | return RETURN_SUCCESS;\r | |
540 | }\r | |
541 | \r | |
542 | /**\r | |
543 | Performs a UEFI Graphics Output Protocol Blt Video to Video operation\r | |
544 | \r | |
545 | @param[in] Configure Pointer to a configuration which was successfully\r | |
546 | created by FrameBufferBltConfigure ().\r | |
547 | @param[in] SourceX X location within video.\r | |
548 | @param[in] SourceY Y location within video.\r | |
549 | @param[in] DestinationX X location within video.\r | |
550 | @param[in] DestinationY Y location within video.\r | |
551 | @param[in] Width Width (in pixels).\r | |
552 | @param[in] Height Height.\r | |
553 | \r | |
554 | @retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.\r | |
555 | @retval RETURN_SUCCESS The Blt operation was performed successfully.\r | |
556 | **/\r | |
557 | RETURN_STATUS\r | |
558 | FrameBufferBltLibVideoToVideo (\r | |
559 | IN FRAME_BUFFER_CONFIGURE *Configure,\r | |
560 | IN UINTN SourceX,\r | |
561 | IN UINTN SourceY,\r | |
562 | IN UINTN DestinationX,\r | |
563 | IN UINTN DestinationY,\r | |
564 | IN UINTN Width,\r | |
565 | IN UINTN Height\r | |
566 | )\r | |
567 | {\r | |
568 | UINT8 *Source;\r | |
569 | UINT8 *Destination;\r | |
570 | UINTN Offset;\r | |
571 | UINTN WidthInBytes;\r | |
572 | INTN LineStride;\r | |
573 | \r | |
574 | //\r | |
575 | // Video to Video: Source is Video, destination is Video\r | |
576 | //\r | |
577 | if (SourceY + Height > Configure->Height) {\r | |
578 | return RETURN_INVALID_PARAMETER;\r | |
579 | }\r | |
580 | \r | |
5ae07233 | 581 | if (SourceX + Width > Configure->Width) {\r |
b1ca3860 RN |
582 | return RETURN_INVALID_PARAMETER;\r |
583 | }\r | |
584 | \r | |
585 | if (DestinationY + Height > Configure->Height) {\r | |
586 | return RETURN_INVALID_PARAMETER;\r | |
587 | }\r | |
588 | \r | |
5ae07233 | 589 | if (DestinationX + Width > Configure->Width) {\r |
b1ca3860 RN |
590 | return RETURN_INVALID_PARAMETER;\r |
591 | }\r | |
592 | \r | |
593 | if (Width == 0 || Height == 0) {\r | |
594 | return RETURN_INVALID_PARAMETER;\r | |
595 | }\r | |
596 | \r | |
597 | WidthInBytes = Width * Configure->BytesPerPixel;\r | |
598 | \r | |
5ae07233 | 599 | Offset = (SourceY * Configure->PixelsPerScanLine) + SourceX;\r |
b1ca3860 RN |
600 | Offset = Configure->BytesPerPixel * Offset;\r |
601 | Source = Configure->FrameBuffer + Offset;\r | |
602 | \r | |
5ae07233 | 603 | Offset = (DestinationY * Configure->PixelsPerScanLine) + DestinationX;\r |
b1ca3860 RN |
604 | Offset = Configure->BytesPerPixel * Offset;\r |
605 | Destination = Configure->FrameBuffer + Offset;\r | |
606 | \r | |
5ae07233 | 607 | LineStride = Configure->BytesPerPixel * Configure->PixelsPerScanLine;\r |
b1ca3860 RN |
608 | if (Destination > Source) {\r |
609 | //\r | |
610 | // Copy from last line to avoid source is corrupted by copying\r | |
611 | //\r | |
612 | Source += Height * LineStride;\r | |
613 | Destination += Height * LineStride;\r | |
614 | LineStride = -LineStride;\r | |
615 | }\r | |
616 | \r | |
617 | while (Height-- > 0) {\r | |
618 | CopyMem (Destination, Source, WidthInBytes);\r | |
619 | \r | |
620 | Source += LineStride;\r | |
621 | Destination += LineStride;\r | |
622 | }\r | |
623 | \r | |
624 | return RETURN_SUCCESS;\r | |
625 | }\r | |
626 | \r | |
627 | /**\r | |
628 | Performs a UEFI Graphics Output Protocol Blt operation.\r | |
629 | \r | |
630 | @param[in] Configure Pointer to a configuration which was successfully\r | |
631 | created by FrameBufferBltConfigure ().\r | |
632 | @param[in,out] BltBuffer The data to transfer to screen.\r | |
633 | @param[in] BltOperation The operation to perform.\r | |
634 | @param[in] SourceX The X coordinate of the source for BltOperation.\r | |
635 | @param[in] SourceY The Y coordinate of the source for BltOperation.\r | |
636 | @param[in] DestinationX The X coordinate of the destination for\r | |
637 | BltOperation.\r | |
638 | @param[in] DestinationY The Y coordinate of the destination for\r | |
639 | BltOperation.\r | |
640 | @param[in] Width The width of a rectangle in the blt rectangle\r | |
641 | in pixels.\r | |
642 | @param[in] Height The height of a rectangle in the blt rectangle\r | |
643 | in pixels.\r | |
644 | @param[in] Delta Not used for EfiBltVideoFill and\r | |
645 | EfiBltVideoToVideo operation. If a Delta of 0\r | |
646 | is used, the entire BltBuffer will be operated\r | |
647 | on. If a subrectangle of the BltBuffer is\r | |
648 | used, then Delta represents the number of\r | |
649 | bytes in a row of the BltBuffer.\r | |
650 | \r | |
651 | @retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.\r | |
652 | @retval RETURN_SUCCESS The Blt operation was performed successfully.\r | |
653 | **/\r | |
654 | RETURN_STATUS\r | |
655 | EFIAPI\r | |
656 | FrameBufferBlt (\r | |
657 | IN FRAME_BUFFER_CONFIGURE *Configure,\r | |
658 | IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
659 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r | |
660 | IN UINTN SourceX,\r | |
661 | IN UINTN SourceY,\r | |
662 | IN UINTN DestinationX,\r | |
663 | IN UINTN DestinationY,\r | |
664 | IN UINTN Width,\r | |
665 | IN UINTN Height,\r | |
666 | IN UINTN Delta\r | |
667 | )\r | |
668 | {\r | |
669 | if (Configure == NULL) {\r | |
670 | return RETURN_INVALID_PARAMETER;\r | |
671 | }\r | |
672 | \r | |
673 | switch (BltOperation) {\r | |
674 | case EfiBltVideoToBltBuffer:\r | |
675 | return FrameBufferBltLibVideoToBltBuffer (\r | |
676 | Configure,\r | |
677 | BltBuffer,\r | |
678 | SourceX,\r | |
679 | SourceY,\r | |
680 | DestinationX,\r | |
681 | DestinationY,\r | |
682 | Width,\r | |
683 | Height,\r | |
684 | Delta\r | |
685 | );\r | |
686 | \r | |
687 | case EfiBltVideoToVideo:\r | |
688 | return FrameBufferBltLibVideoToVideo (\r | |
689 | Configure,\r | |
690 | SourceX,\r | |
691 | SourceY,\r | |
692 | DestinationX,\r | |
693 | DestinationY,\r | |
694 | Width,\r | |
695 | Height\r | |
696 | );\r | |
697 | \r | |
698 | case EfiBltVideoFill:\r | |
699 | return FrameBufferBltLibVideoFill (\r | |
700 | Configure,\r | |
701 | BltBuffer,\r | |
702 | DestinationX,\r | |
703 | DestinationY,\r | |
704 | Width,\r | |
705 | Height\r | |
706 | );\r | |
707 | \r | |
708 | case EfiBltBufferToVideo:\r | |
709 | return FrameBufferBltLibBufferToVideo (\r | |
710 | Configure,\r | |
711 | BltBuffer,\r | |
712 | SourceX,\r | |
713 | SourceY,\r | |
714 | DestinationX,\r | |
715 | DestinationY,\r | |
716 | Width,\r | |
717 | Height,\r | |
718 | Delta\r | |
719 | );\r | |
720 | \r | |
721 | default:\r | |
722 | return RETURN_INVALID_PARAMETER;\r | |
723 | }\r | |
724 | }\r |