projects / mirror_edk2.git / blame
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| 7a465451 RN |
1 | /** @file\r |
| 2 | \r | |
| 3 | Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r | |
| 4 | This program and the accompanying materials\r | |
| 5 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 6 | which accompanies this distribution. The full text of the license may be found at\r | |
| 7 | http://opensource.org/licenses/bsd-license.php\r | |
| 8 | \r | |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 11 | \r | |
| 12 | Module Name:\r | |
| 13 | \r | |
| 14 | WinGopScreen.c\r | |
| 15 | \r | |
| 16 | Abstract:\r | |
| 17 | \r | |
| 18 | This file produces the graphics abstration of GOP. It is called by\r | |
| 19 | WinNtGopDriver.c file which deals with the UEFI 2.0 driver model.\r | |
| 20 | This file just does graphics.\r | |
| 21 | \r | |
| 22 | \r | |
| 23 | **/\r | |
| 24 | \r | |
| 25 | #include "WinGop.h"\r | |
| 26 | \r | |
| 27 | DWORD mTlsIndex = TLS_OUT_OF_INDEXES;\r | |
| 28 | DWORD mTlsIndexUseCount = 0; // lets us know when we can free mTlsIndex.\r | |
| 29 | \r | |
| 30 | BOOLEAN\r | |
| 31 | WinNtGopConvertParamToEfiKeyShiftState (\r | |
| 32 | IN GRAPHICS_PRIVATE_DATA *Private,\r | |
| 33 | IN WPARAM *wParam,\r | |
| 34 | IN LPARAM *lParam,\r | |
| 35 | IN BOOLEAN Flag\r | |
| 36 | )\r | |
| 37 | {\r | |
| 38 | switch (*wParam) {\r | |
| 39 | //\r | |
| 40 | // BUGBUG: Only GetAsyncKeyState() and GetKeyState() can distinguish\r | |
| 41 | // left and right Ctrl, and Shift key.\r | |
| 42 | // Neither of the two is defined in EFI_WIN_NT_THUNK_PROTOCOL.\r | |
| 43 | // Therefor, we can not set the correct Shift state here.\r | |
| 44 | //\r | |
| 45 | case VK_SHIFT:\r | |
| 46 | if ((*lParam & GOP_EXTENDED_KEY) == GOP_EXTENDED_KEY) {\r | |
| 47 | Private->RightShift = Flag;\r | |
| 48 | } else {\r | |
| 49 | Private->LeftShift = Flag;\r | |
| 50 | }\r | |
| 51 | return TRUE;\r | |
| 52 | \r | |
| 53 | case VK_LSHIFT:\r | |
| 54 | Private->LeftShift = Flag;\r | |
| 55 | return TRUE;\r | |
| 56 | \r | |
| 57 | case VK_RSHIFT:\r | |
| 58 | Private->RightShift = Flag;\r | |
| 59 | return TRUE;\r | |
| 60 | \r | |
| 61 | case VK_CONTROL:\r | |
| 62 | if ((*lParam & GOP_EXTENDED_KEY) == GOP_EXTENDED_KEY) {\r | |
| 63 | Private->RightCtrl= Flag;\r | |
| 64 | } else {\r | |
| 65 | Private->LeftCtrl = Flag;\r | |
| 66 | }\r | |
| 67 | return TRUE;\r | |
| 68 | \r | |
| 69 | case VK_LCONTROL:\r | |
| 70 | Private->LeftCtrl = Flag;\r | |
| 71 | return TRUE;\r | |
| 72 | \r | |
| 73 | case VK_RCONTROL:\r | |
| 74 | Private->RightCtrl = Flag;\r | |
| 75 | return TRUE;\r | |
| 76 | \r | |
| 77 | case VK_LWIN:\r | |
| 78 | Private->LeftLogo = Flag;\r | |
| 79 | return TRUE;\r | |
| 80 | \r | |
| 81 | case VK_RWIN:\r | |
| 82 | Private->RightLogo = Flag;\r | |
| 83 | return TRUE;\r | |
| 84 | \r | |
| 85 | case VK_APPS:\r | |
| 86 | Private->Menu = Flag;\r | |
| 87 | return TRUE;\r | |
| 88 | //\r | |
| 89 | // BUGBUG: PrintScreen/SysRq can not trigger WM_KEYDOWN message,\r | |
| 90 | // so SySReq shift state is not supported here.\r | |
| 91 | //\r | |
| 92 | case VK_PRINT:\r | |
| 93 | Private->SysReq = Flag;\r | |
| 94 | return TRUE;\r | |
| 95 | //\r | |
| 96 | // For Alt Keystroke.\r | |
| 97 | //\r | |
| 98 | case VK_MENU:\r | |
| 99 | if ((*lParam & GOP_EXTENDED_KEY) == GOP_EXTENDED_KEY) {\r | |
| 100 | Private->RightAlt = Flag;\r | |
| 101 | } else {\r | |
| 102 | Private->LeftAlt = Flag;\r | |
| 103 | }\r | |
| 104 | return TRUE;\r | |
| 105 | \r | |
| 106 | default:\r | |
| 107 | return FALSE;\r | |
| 108 | }\r | |
| 109 | }\r | |
| 110 | \r | |
| 111 | BOOLEAN\r | |
| 112 | WinNtGopConvertParamToEfiKey (\r | |
| 113 | IN GRAPHICS_PRIVATE_DATA *Private,\r | |
| 114 | IN WPARAM *wParam,\r | |
| 115 | IN LPARAM *lParam,\r | |
| 116 | IN EFI_INPUT_KEY *Key\r | |
| 117 | )\r | |
| 118 | {\r | |
| 119 | BOOLEAN Flag;\r | |
| 120 | Flag = FALSE;\r | |
| 121 | switch (*wParam) {\r | |
| 122 | case VK_HOME: Key->ScanCode = SCAN_HOME; Flag = TRUE; break;\r | |
| 123 | case VK_END: Key->ScanCode = SCAN_END; Flag = TRUE; break;\r | |
| 124 | case VK_LEFT: Key->ScanCode = SCAN_LEFT; Flag = TRUE; break;\r | |
| 125 | case VK_RIGHT: Key->ScanCode = SCAN_RIGHT; Flag = TRUE; break;\r | |
| 126 | case VK_UP: Key->ScanCode = SCAN_UP; Flag = TRUE; break;\r | |
| 127 | case VK_DOWN: Key->ScanCode = SCAN_DOWN; Flag = TRUE; break;\r | |
| 128 | case VK_DELETE: Key->ScanCode = SCAN_DELETE; Flag = TRUE; break;\r | |
| 129 | case VK_INSERT: Key->ScanCode = SCAN_INSERT; Flag = TRUE; break;\r | |
| 130 | case VK_PRIOR: Key->ScanCode = SCAN_PAGE_UP; Flag = TRUE; break;\r | |
| 131 | case VK_NEXT: Key->ScanCode = SCAN_PAGE_DOWN; Flag = TRUE; break;\r | |
| 132 | case VK_ESCAPE: Key->ScanCode = SCAN_ESC; Flag = TRUE; break;\r | |
| 133 | \r | |
| 134 | case VK_F1: Key->ScanCode = SCAN_F1; Flag = TRUE; break;\r | |
| 135 | case VK_F2: Key->ScanCode = SCAN_F2; Flag = TRUE; break;\r | |
| 136 | case VK_F3: Key->ScanCode = SCAN_F3; Flag = TRUE; break;\r | |
| 137 | case VK_F4: Key->ScanCode = SCAN_F4; Flag = TRUE; break;\r | |
| 138 | case VK_F5: Key->ScanCode = SCAN_F5; Flag = TRUE; break;\r | |
| 139 | case VK_F6: Key->ScanCode = SCAN_F6; Flag = TRUE; break;\r | |
| 140 | case VK_F7: Key->ScanCode = SCAN_F7; Flag = TRUE; break;\r | |
| 141 | case VK_F8: Key->ScanCode = SCAN_F8; Flag = TRUE; break;\r | |
| 142 | case VK_F9: Key->ScanCode = SCAN_F9; Flag = TRUE; break;\r | |
| 143 | case VK_F11: Key->ScanCode = SCAN_F11; Flag = TRUE; break;\r | |
| 144 | case VK_F12: Key->ScanCode = SCAN_F12; Flag = TRUE; break;\r | |
| 145 | \r | |
| 146 | case VK_F13: Key->ScanCode = SCAN_F13; Flag = TRUE; break;\r | |
| 147 | case VK_F14: Key->ScanCode = SCAN_F14; Flag = TRUE; break;\r | |
| 148 | case VK_F15: Key->ScanCode = SCAN_F15; Flag = TRUE; break;\r | |
| 149 | case VK_F16: Key->ScanCode = SCAN_F16; Flag = TRUE; break;\r | |
| 150 | case VK_F17: Key->ScanCode = SCAN_F17; Flag = TRUE; break;\r | |
| 151 | case VK_F18: Key->ScanCode = SCAN_F18; Flag = TRUE; break;\r | |
| 152 | case VK_F19: Key->ScanCode = SCAN_F19; Flag = TRUE; break;\r | |
| 153 | case VK_F20: Key->ScanCode = SCAN_F20; Flag = TRUE; break;\r | |
| 154 | case VK_F21: Key->ScanCode = SCAN_F21; Flag = TRUE; break;\r | |
| 155 | case VK_F22: Key->ScanCode = SCAN_F22; Flag = TRUE; break;\r | |
| 156 | case VK_F23: Key->ScanCode = SCAN_F23; Flag = TRUE; break;\r | |
| 157 | case VK_F24: Key->ScanCode = SCAN_F24; Flag = TRUE; break;\r | |
| 158 | case VK_PAUSE: Key->ScanCode = SCAN_PAUSE; Flag = TRUE; break;\r | |
| 159 | \r | |
| 160 | //\r | |
| 161 | // Set toggle state\r | |
| 162 | //\r | |
| 163 | case VK_NUMLOCK:\r | |
| 164 | Private->NumLock = (BOOLEAN)(!Private->NumLock);\r | |
| 165 | Flag = TRUE;\r | |
| 166 | break;\r | |
| 167 | case VK_SCROLL:\r | |
| 168 | Private->ScrollLock = (BOOLEAN)(!Private->ScrollLock);\r | |
| 169 | Flag = TRUE;\r | |
| 170 | break;\r | |
| 171 | case VK_CAPITAL:\r | |
| 172 | Private->CapsLock = (BOOLEAN)(!Private->CapsLock);\r | |
| 173 | Flag = TRUE;\r | |
| 174 | break;\r | |
| 175 | }\r | |
| 176 | \r | |
| 177 | return (WinNtGopConvertParamToEfiKeyShiftState (Private, wParam, lParam, TRUE)) == TRUE ? TRUE : Flag;\r | |
| 178 | }\r | |
| 179 | \r | |
| 180 | \r | |
| 181 | //\r | |
| 182 | // GOP Protocol Member Functions\r | |
| 183 | //\r | |
| 184 | \r | |
| 185 | /**\r | |
| 186 | Change the resolution and resize of the window\r | |
| 187 | **/\r | |
| 188 | EFI_STATUS\r | |
| 189 | EFIAPI\r | |
| 190 | WinNtWndSize (\r | |
| 191 | IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo,\r | |
| 192 | IN UINT32 Width,\r | |
| 193 | IN UINT32 Height\r | |
| 194 | )\r | |
| 195 | {\r | |
| 196 | UINT32 Size;\r | |
| 197 | GRAPHICS_PRIVATE_DATA *Private;\r | |
| 198 | RECT Rect;\r | |
| 199 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *NewFillLine;\r | |
| 200 | \r | |
| 201 | Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r | |
| 202 | Private->Width = Width;\r | |
| 203 | Private->Height = Height;\r | |
| 204 | \r | |
| 205 | \r | |
| 206 | //\r | |
| 207 | // Free the old buffer. We do not save the content of the old buffer since the\r | |
| 208 | // screen is to be cleared anyway. Clearing the screen is required by the EFI spec.\r | |
| 209 | // See UEFI spec -EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode()\r | |
| 210 | //\r | |
| 211 | if (Private->VirtualScreenInfo != NULL) {\r | |
| 212 | HeapFree (GetProcessHeap (), 0, Private->VirtualScreenInfo);\r | |
| 213 | }\r | |
| 214 | \r | |
| 215 | //\r | |
| 216 | // Allocate DIB frame buffer directly from NT for performance enhancement\r | |
| 217 | // This buffer is the virtual screen/frame buffer. This buffer is not the\r | |
| 218 | // same a a frame buffer. The first row of this buffer will be the bottom\r | |
| 219 | // line of the image. This is an artifact of the way we draw to the screen.\r | |
| 220 | //\r | |
| 221 | Size = Private->Width * Private->Height * sizeof (RGBQUAD) + sizeof (BITMAPV4HEADER);\r | |
| 222 | Private->VirtualScreenInfo = HeapAlloc (\r | |
| 223 | GetProcessHeap (),\r | |
| 224 | HEAP_ZERO_MEMORY,\r | |
| 225 | Size\r | |
| 226 | );\r | |
| 227 | \r | |
| 228 | //\r | |
| 229 | // Update the virtual screen info data structure\r | |
| 230 | //\r | |
| 231 | Private->VirtualScreenInfo->bV4Size = sizeof (BITMAPV4HEADER);\r | |
| 232 | Private->VirtualScreenInfo->bV4Width = Private->Width;\r | |
| 233 | Private->VirtualScreenInfo->bV4Height = Private->Height;\r | |
| 234 | Private->VirtualScreenInfo->bV4Planes = 1;\r | |
| 235 | Private->VirtualScreenInfo->bV4BitCount = 32;\r | |
| 236 | //\r | |
| 237 | // uncompressed\r | |
| 238 | //\r | |
| 239 | Private->VirtualScreenInfo->bV4V4Compression = BI_RGB;\r | |
| 240 | \r | |
| 241 | //\r | |
| 242 | // The rest of the allocated memory block is the virtual screen buffer\r | |
| 243 | //\r | |
| 244 | Private->VirtualScreen = (RGBQUAD *)(Private->VirtualScreenInfo + 1);\r | |
| 245 | \r | |
| 246 | //\r | |
| 247 | // Use the AdjuctWindowRect fuction to calculate the real width and height\r | |
| 248 | // of the new window including the border and caption\r | |
| 249 | //\r | |
| 250 | Rect.left = 0;\r | |
| 251 | Rect.top = 0;\r | |
| 252 | Rect.right = Private->Width;\r | |
| 253 | Rect.bottom = Private->Height;\r | |
| 254 | \r | |
| 255 | AdjustWindowRect (&Rect, WS_OVERLAPPEDWINDOW, 0);\r | |
| 256 | \r | |
| 257 | Width = Rect.right - Rect.left;\r | |
| 258 | Height = Rect.bottom - Rect.top;\r | |
| 259 | \r | |
| 260 | //\r | |
| 261 | // Retrieve the original window position information\r | |
| 262 | //\r | |
| 263 | GetWindowRect (Private->WindowHandle, &Rect);\r | |
| 264 | \r | |
| 265 | //\r | |
| 266 | // Adjust the window size\r | |
| 267 | //\r | |
| 268 | MoveWindow (Private->WindowHandle, Rect.left, Rect.top, (INT32)Width, (INT32)Height, TRUE);\r | |
| 269 | \r | |
| 270 | NewFillLine = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * Private->Width);\r | |
| 271 | if (NewFillLine == NULL) {\r | |
| 272 | return EFI_DEVICE_ERROR;\r | |
| 273 | }\r | |
| 274 | \r | |
| 275 | if (Private->FillLine != NULL) {\r | |
| 276 | FreePool (Private->FillLine);\r | |
| 277 | }\r | |
| 278 | \r | |
| 279 | Private->FillLine = NewFillLine;\r | |
| 280 | return EFI_SUCCESS;\r | |
| 281 | }\r | |
| 282 | \r | |
| 283 | /**\r | |
| 284 | Blt pixels from the rectangle (Width X Height) formed by the BltBuffer\r | |
| 285 | onto the graphics screen starting a location (X, Y). (0, 0) is defined as\r | |
| 286 | the upper left hand side of the screen. (X, Y) can be outside of the\r | |
| 287 | current screen geometry and the BltBuffer will be cliped when it is\r | |
| 288 | displayed. X and Y can be negative or positive. If Width or Height is\r | |
| 289 | bigger than the current video screen the image will be clipped.\r | |
| 290 | \r | |
| 291 | @param This Protocol instance pointer.\r | |
| 292 | @param X X location on graphics screen.\r | |
| 293 | @param Y Y location on the graphics screen.\r | |
| 294 | @param Width Width of BltBuffer.\r | |
| 295 | @param Height Hight of BltBuffer\r | |
| 296 | @param BltOperation Operation to perform on BltBuffer and video memory\r | |
| 297 | @param BltBuffer Buffer containing data to blt into video buffer.\r | |
| 298 | This buffer has a size of\r | |
| 299 | Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r | |
| 300 | @param SourceX If the BltOperation is a EfiCopyBlt this is the\r | |
| 301 | source of the copy. For other BLT operations this\r | |
| 302 | argument is not used.\r | |
| 303 | @param SourceX If the BltOperation is a EfiCopyBlt this is the\r | |
| 304 | source of the copy. For other BLT operations this\r | |
| 305 | argument is not used.\r | |
| 306 | \r | |
| 307 | @retval EFI_SUCCESS The palette is updated with PaletteArray.\r | |
| 308 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
| 309 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video\r | |
| 310 | buffer.\r | |
| 311 | \r | |
| 312 | **/\r | |
| 313 | // TODO: SourceY - add argument and description to function comment\r | |
| 314 | // TODO: DestinationX - add argument and description to function comment\r | |
| 315 | // TODO: DestinationY - add argument and description to function comment\r | |
| 316 | // TODO: Delta - add argument and description to function comment\r | |
| 317 | EFI_STATUS\r | |
| 318 | WinNtWndBlt (\r | |
| 319 | IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo,\r | |
| 320 | IN EFI_UGA_PIXEL *BltBuffer OPTIONAL,\r | |
| 321 | IN EFI_UGA_BLT_OPERATION BltOperation,\r | |
| 322 | IN EMU_GRAPHICS_WINDOWS__BLT_ARGS *Args\r | |
| 323 | )\r | |
| 324 | {\r | |
| 325 | GRAPHICS_PRIVATE_DATA *Private;\r | |
| 326 | UINTN DstY;\r | |
| 327 | UINTN SrcY;\r | |
| 328 | RGBQUAD *VScreen;\r | |
| 329 | RGBQUAD *VScreenSrc;\r | |
| 330 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;\r | |
| 331 | UINTN Index;\r | |
| 332 | RECT Rect;\r | |
| 333 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *FillPixel;\r | |
| 334 | UINT32 VerticalResolution;\r | |
| 335 | UINT32 HorizontalResolution;\r | |
| 336 | \r | |
| 337 | Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r | |
| 338 | \r | |
| 339 | //\r | |
| 340 | // We need to fill the Virtual Screen buffer with the blt data.\r | |
| 341 | // The virtual screen is upside down, as the first row is the bootom row of\r | |
| 342 | // the image.\r | |
| 343 | //\r | |
| 344 | VerticalResolution = Private->VirtualScreenInfo->bV4Height;\r | |
| 345 | HorizontalResolution = Private->VirtualScreenInfo->bV4Width;\r | |
| 346 | if (BltOperation == EfiBltVideoToBltBuffer) {\r | |
| 347 | \r | |
| 348 | for (SrcY = Args->SourceY, DstY = Args->DestinationY; DstY < (Args->Height + Args->DestinationY); SrcY++, DstY++) {\r | |
| 349 | Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + (DstY * Args->Delta) + Args->DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
| 350 | VScreen = &Private->VirtualScreen[(VerticalResolution - SrcY - 1) * HorizontalResolution + Args->SourceX];\r | |
| 351 | CopyMem (Blt, VScreen, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * Args->Width);\r | |
| 352 | }\r | |
| 353 | } else {\r | |
| 354 | if (BltOperation == EfiBltVideoFill) {\r | |
| 355 | FillPixel = BltBuffer;\r | |
| 356 | for (Index = 0; Index < Args->Width; Index++) {\r | |
| 357 | Private->FillLine[Index] = *FillPixel;\r | |
| 358 | }\r | |
| 359 | }\r | |
| 360 | \r | |
| 361 | for (Index = 0; Index < Args->Height; Index++) {\r | |
| 362 | if (Args->DestinationY <= Args->SourceY) {\r | |
| 363 | SrcY = Args->SourceY + Index;\r | |
| 364 | DstY = Args->DestinationY + Index;\r | |
| 365 | } else {\r | |
| 366 | SrcY = Args->SourceY + Args->Height - Index - 1;\r | |
| 367 | DstY = Args->DestinationY + Args->Height - Index - 1;\r | |
| 368 | }\r | |
| 369 | \r | |
| 370 | VScreen = &Private->VirtualScreen[(VerticalResolution - DstY - 1) * HorizontalResolution + Args->DestinationX];\r | |
| 371 | switch (BltOperation) {\r | |
| 372 | case EfiBltBufferToVideo:\r | |
| 373 | Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + (SrcY * Args->Delta) + Args->SourceX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
| 374 | CopyMem (VScreen, Blt, Args->Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
| 375 | break;\r | |
| 376 | \r | |
| 377 | case EfiBltVideoToVideo:\r | |
| 378 | VScreenSrc = &Private->VirtualScreen[(VerticalResolution - SrcY - 1) * HorizontalResolution + Args->SourceX];\r | |
| 379 | CopyMem (VScreen, VScreenSrc, Args->Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
| 380 | break;\r | |
| 381 | \r | |
| 382 | case EfiBltVideoFill:\r | |
| 383 | CopyMem (VScreen, Private->FillLine, Args->Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r | |
| 384 | break;\r | |
| 385 | }\r | |
| 386 | }\r | |
| 387 | }\r | |
| 388 | \r | |
| 389 | if (BltOperation != EfiBltVideoToBltBuffer) {\r | |
| 390 | //\r | |
| 391 | // Mark the area we just blted as Invalid so WM_PAINT will update.\r | |
| 392 | //\r | |
| 393 | Rect.left = (LONG)Args->DestinationX;\r | |
| 394 | Rect.top = (LONG)Args->DestinationY;\r | |
| 395 | Rect.right = (LONG)(Args->DestinationX + Args->Width);\r | |
| 396 | Rect.bottom = (LONG)(Args->DestinationY + Args->Height);\r | |
| 397 | InvalidateRect (Private->WindowHandle, &Rect, FALSE);\r | |
| 398 | \r | |
| 399 | //\r | |
| 400 | // Send the WM_PAINT message to the thread that is drawing the window. We\r | |
| 401 | // are in the main thread and the window drawing is in a child thread.\r | |
| 402 | // There is a child thread per window. We have no CriticalSection or Mutex\r | |
| 403 | // since we write the data and the other thread displays the data. While\r | |
| 404 | // we may miss some data for a short period of time this is no different than\r | |
| 405 | // a write combining on writes to a frame buffer.\r | |
| 406 | //\r | |
| 407 | \r | |
| 408 | UpdateWindow (Private->WindowHandle);\r | |
| 409 | }\r | |
| 410 | \r | |
| 411 | return EFI_SUCCESS;\r | |
| 412 | }\r | |
| 413 | \r | |
| 414 | \r | |
| 415 | \r | |
| 416 | /**\r | |
| 417 | Win32 Windows event handler.\r | |
| 418 | \r | |
| 419 | See Win32 Book\r | |
| 420 | \r | |
| 421 | @return See Win32 Book\r | |
| 422 | \r | |
| 423 | **/\r | |
| 424 | // TODO: hwnd - add argument and description to function comment\r | |
| 425 | // TODO: iMsg - add argument and description to function comment\r | |
| 426 | // TODO: wParam - add argument and description to function comment\r | |
| 427 | // TODO: lParam - add argument and description to function comment\r | |
| 428 | LRESULT\r | |
| 429 | CALLBACK\r | |
| 430 | WinNtGopThreadWindowProc (\r | |
| 431 | IN HWND hwnd,\r | |
| 432 | IN UINT iMsg,\r | |
| 433 | IN WPARAM wParam,\r | |
| 434 | IN LPARAM lParam\r | |
| 435 | )\r | |
| 436 | {\r | |
| 437 | GRAPHICS_PRIVATE_DATA *Private;\r | |
| 438 | UINTN Size;\r | |
| 439 | HDC Handle;\r | |
| 440 | PAINTSTRUCT PaintStruct;\r | |
| 441 | LPARAM Index;\r | |
| 442 | EFI_INPUT_KEY Key;\r | |
| 443 | BOOLEAN AltIsPress;\r | |
| 444 | \r | |
| 445 | //\r | |
| 446 | // BugBug - if there are two instances of this DLL in memory (such as is\r | |
| 447 | // the case for ERM), the correct instance of this function may not be called.\r | |
| 448 | // This also means that the address of the mTlsIndex value will be wrong, and\r | |
| 449 | // the value may be wrong too.\r | |
| 450 | //\r | |
| 451 | \r | |
| 452 | \r | |
| 453 | //\r | |
| 454 | // Use mTlsIndex global to get a Thread Local Storage version of Private.\r | |
| 455 | // This works since each Gop protocol has a unique Private data instance and\r | |
| 456 | // a unique thread.\r | |
| 457 | //\r | |
| 458 | AltIsPress = FALSE;\r | |
| 459 | Private = TlsGetValue (mTlsIndex);\r | |
| 460 | ASSERT (NULL != Private);\r | |
| 461 | \r | |
| 462 | switch (iMsg) {\r | |
| 463 | case WM_CREATE:\r | |
| 464 | Size = Private->Width * Private->Height * sizeof (RGBQUAD);\r | |
| 465 | \r | |
| 466 | //\r | |
| 467 | // Allocate DIB frame buffer directly from NT for performance enhancement\r | |
| 468 | // This buffer is the virtual screen/frame buffer. This buffer is not the\r | |
| 469 | // same a a frame buffer. The first fow of this buffer will be the bottom\r | |
| 470 | // line of the image. This is an artifact of the way we draw to the screen.\r | |
| 471 | //\r | |
| 472 | Private->VirtualScreenInfo = HeapAlloc (\r | |
| 473 | GetProcessHeap (),\r | |
| 474 | HEAP_ZERO_MEMORY,\r | |
| 475 | Size\r | |
| 476 | );\r | |
| 477 | \r | |
| 478 | Private->VirtualScreenInfo->bV4Size = sizeof (BITMAPV4HEADER);\r | |
| 479 | Private->VirtualScreenInfo->bV4Width = Private->Width;\r | |
| 480 | Private->VirtualScreenInfo->bV4Height = Private->Height;\r | |
| 481 | Private->VirtualScreenInfo->bV4Planes = 1;\r | |
| 482 | Private->VirtualScreenInfo->bV4BitCount = 32;\r | |
| 483 | //\r | |
| 484 | // uncompressed\r | |
| 485 | //\r | |
| 486 | Private->VirtualScreenInfo->bV4V4Compression = BI_RGB;\r | |
| 487 | Private->VirtualScreen = (RGBQUAD *) (Private->VirtualScreenInfo + 1);\r | |
| 488 | return 0;\r | |
| 489 | \r | |
| 490 | case WM_PAINT:\r | |
| 491 | //\r | |
| 492 | // I have not found a way to convert hwnd into a Private context. So for\r | |
| 493 | // now we use this API to convert hwnd to Private data.\r | |
| 494 | //\r | |
| 495 | \r | |
| 496 | Handle = BeginPaint (hwnd, &PaintStruct);\r | |
| 497 | \r | |
| 498 | SetDIBitsToDevice (\r | |
| 499 | Handle, // Destination Device Context\r | |
| 500 | 0, // Destination X - 0\r | |
| 501 | 0, // Destination Y - 0\r | |
| 502 | Private->Width, // Width\r | |
| 503 | Private->Height, // Height\r | |
| 504 | 0, // Source X\r | |
| 505 | 0, // Source Y\r | |
| 506 | 0, // DIB Start Scan Line\r | |
| 507 | Private->Height, // Number of scan lines\r | |
| 508 | Private->VirtualScreen, // Address of array of DIB bits\r | |
| 509 | (BITMAPINFO *) Private->VirtualScreenInfo, // Address of structure with bitmap info\r | |
| 510 | DIB_RGB_COLORS // RGB or palette indexes\r | |
| 511 | );\r | |
| 512 | \r | |
| 513 | EndPaint (hwnd, &PaintStruct);\r | |
| 514 | return 0;\r | |
| 515 | \r | |
| 516 | //\r | |
| 517 | // F10 and the ALT key do not create a WM_KEYDOWN message, thus this special case\r | |
| 518 | // WM_SYSKEYDOWN is posted when F10 is pressed or\r | |
| 519 | // holds down ALT key and then presses another key.\r | |
| 520 | //\r | |
| 521 | case WM_SYSKEYDOWN:\r | |
| 522 | \r | |
| 523 | Key.ScanCode = 0;\r | |
| 524 | Key.UnicodeChar = CHAR_NULL;\r | |
| 525 | switch (wParam) {\r | |
| 526 | case VK_F10:\r | |
| 527 | Key.ScanCode = SCAN_F10;\r | |
| 528 | Key.UnicodeChar = CHAR_NULL;\r | |
| 529 | GopPrivateAddKey (Private, Key);\r | |
| 530 | return 0;\r | |
| 531 | }\r | |
| 532 | \r | |
| 533 | //\r | |
| 534 | // If ALT or ALT + modifier key is pressed.\r | |
| 535 | //\r | |
| 536 | if (WinNtGopConvertParamToEfiKey (Private, &wParam, &lParam, &Key)) {\r | |
| 537 | if (Key.ScanCode != 0){\r | |
| 538 | //\r | |
| 539 | // If ALT is pressed with other ScanCode.\r | |
| 540 | // Always revers the left Alt for simple.\r | |
| 541 | //\r | |
| 542 | Private->LeftAlt = TRUE;\r | |
| 543 | }\r | |
| 544 | GopPrivateAddKey (Private, Key);\r | |
| 545 | //\r | |
| 546 | // When Alt is released there is no windoes message, so\r | |
| 547 | // clean it after using it.\r | |
| 548 | //\r | |
| 549 | Private->RightAlt = FALSE;\r | |
| 550 | Private->LeftAlt = FALSE;\r | |
| 551 | return 0;\r | |
| 552 | }\r | |
| 553 | AltIsPress = TRUE;\r | |
| 554 | \r | |
| 555 | case WM_CHAR:\r | |
| 556 | //\r | |
| 557 | // The ESC key also generate WM_CHAR.\r | |
| 558 | //\r | |
| 559 | if (wParam == 0x1B) {\r | |
| 560 | return 0;\r | |
| 561 | }\r | |
| 562 | \r | |
| 563 | if (AltIsPress == TRUE) {\r | |
| 564 | //\r | |
| 565 | // If AltIsPress is true that means the Alt key is pressed.\r | |
| 566 | //\r | |
| 567 | Private->LeftAlt = TRUE;\r | |
| 568 | }\r | |
| 569 | for (Index = 0; Index < (lParam & 0xffff); Index++) {\r | |
| 570 | if (wParam != 0) {\r | |
| 571 | Key.UnicodeChar = (CHAR16) wParam;\r | |
| 572 | Key.ScanCode = SCAN_NULL;\r | |
| 573 | GopPrivateAddKey (Private, Key);\r | |
| 574 | }\r | |
| 575 | }\r | |
| 576 | if (AltIsPress == TRUE) {\r | |
| 577 | //\r | |
| 578 | // When Alt is released there is no windoes message, so\r | |
| 579 | // clean it after using it.\r | |
| 580 | //\r | |
| 581 | Private->LeftAlt = FALSE;\r | |
| 582 | Private->RightAlt = FALSE;\r | |
| 583 | }\r | |
| 584 | return 0;\r | |
| 585 | \r | |
| 586 | case WM_SYSKEYUP:\r | |
| 587 | //\r | |
| 588 | // ALT is pressed with another key released\r | |
| 589 | //\r | |
| 590 | WinNtGopConvertParamToEfiKeyShiftState (Private, &wParam, &lParam, FALSE);\r | |
| 591 | return 0;\r | |
| 592 | \r | |
| 593 | case WM_KEYDOWN:\r | |
| 594 | Key.ScanCode = SCAN_NULL;\r | |
| 595 | Key.UnicodeChar = CHAR_NULL;\r | |
| 596 | //\r | |
| 597 | // A value key press will cause a WM_KEYDOWN first, then cause a WM_CHAR\r | |
| 598 | // So if there is no modifier key updated, skip the WM_KEYDOWN even.\r | |
| 599 | //\r | |
| 600 | if (WinNtGopConvertParamToEfiKey (Private, &wParam, &lParam, &Key)) {\r | |
| 601 | //\r | |
| 602 | // Support the partial keystroke, add all keydown event into the queue.\r | |
| 603 | //\r | |
| 604 | GopPrivateAddKey (Private, Key);\r | |
| 605 | }\r | |
| 606 | return 0;\r | |
| 607 | \r | |
| 608 | case WM_KEYUP:\r | |
| 609 | WinNtGopConvertParamToEfiKeyShiftState (Private, &wParam, &lParam, FALSE);\r | |
| 610 | return 0;\r | |
| 611 | \r | |
| 612 | case WM_CLOSE:\r | |
| 613 | //\r | |
| 614 | // This close message is issued by user, core is not aware of this,\r | |
| 615 | // so don't release the window display resource, just hide the window.\r | |
| 616 | //\r | |
| 617 | ShowWindow (Private->WindowHandle, SW_HIDE);\r | |
| 618 | return 0;\r | |
| 619 | \r | |
| 620 | case WM_DESTROY:\r | |
| 621 | DestroyWindow (hwnd);\r | |
| 622 | PostQuitMessage (0);\r | |
| 623 | \r | |
| 624 | HeapFree (GetProcessHeap (), 0, Private->VirtualScreenInfo);\r | |
| 625 | \r | |
| 626 | ExitThread (0);\r | |
| 627 | \r | |
| 628 | default:\r | |
| 629 | break;\r | |
| 630 | };\r | |
| 631 | \r | |
| 632 | return DefWindowProc (hwnd, iMsg, wParam, lParam);\r | |
| 633 | }\r | |
| 634 | \r | |
| 635 | \r | |
| 636 | /**\r | |
| 637 | This thread simulates the end of WinMain () aplication. Each Winow nededs\r | |
| 638 | to process it's events. The messages are dispatched to\r | |
| 639 | WinNtGopThreadWindowProc ().\r | |
| 640 | Be very careful sine WinNtGopThreadWinMain () and WinNtGopThreadWindowProc ()\r | |
| 641 | are running in a seperate thread. We have to do this to process the events.\r | |
| 642 | \r | |
| 643 | @param lpParameter Handle of window to manage.\r | |
| 644 | \r | |
| 645 | @return if a WM_QUIT message is returned exit.\r | |
| 646 | \r | |
| 647 | **/\r | |
| 648 | DWORD\r | |
| 649 | WINAPI\r | |
| 650 | WinNtGopThreadWinMain (\r | |
| 651 | LPVOID lpParameter\r | |
| 652 | )\r | |
| 653 | {\r | |
| 654 | MSG Message;\r | |
| 655 | GRAPHICS_PRIVATE_DATA *Private;\r | |
| 656 | RECT Rect;\r | |
| 657 | \r | |
| 658 | Private = (GRAPHICS_PRIVATE_DATA *) lpParameter;\r | |
| 659 | ASSERT (NULL != Private);\r | |
| 660 | \r | |
| 661 | //\r | |
| 662 | // Since each thread has unique private data, save the private data in Thread\r | |
| 663 | // Local Storage slot. Then the shared global mTlsIndex can be used to get\r | |
| 664 | // thread specific context.\r | |
| 665 | //\r | |
| 666 | TlsSetValue (mTlsIndex, Private);\r | |
| 667 | \r | |
| 668 | Private->ThreadId = GetCurrentThreadId ();\r | |
| 669 | \r | |
| 670 | Private->WindowsClass.cbSize = sizeof (WNDCLASSEX);\r | |
| 671 | Private->WindowsClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;\r | |
| 672 | Private->WindowsClass.lpfnWndProc = WinNtGopThreadWindowProc;\r | |
| 673 | Private->WindowsClass.cbClsExtra = 0;\r | |
| 674 | Private->WindowsClass.cbWndExtra = 0;\r | |
| 675 | Private->WindowsClass.hInstance = NULL;\r | |
| 676 | Private->WindowsClass.hIcon = LoadIcon (NULL, IDI_APPLICATION);\r | |
| 677 | Private->WindowsClass.hCursor = LoadCursor (NULL, IDC_ARROW);\r | |
| 678 | Private->WindowsClass.hbrBackground = (HBRUSH)(UINTN)COLOR_WINDOW;\r | |
| 679 | Private->WindowsClass.lpszMenuName = NULL;\r | |
| 680 | Private->WindowsClass.lpszClassName = WIN_NT_GOP_CLASS_NAME;\r | |
| 681 | Private->WindowsClass.hIconSm = LoadIcon (NULL, IDI_APPLICATION);\r | |
| 682 | \r | |
| 683 | //\r | |
| 684 | // Use 100 x 100 as initial Window size.\r | |
| 685 | //\r | |
| 686 | Private->Width = 100;\r | |
| 687 | Private->Height = 100;\r | |
| 688 | \r | |
| 689 | \r | |
| 690 | //\r | |
| 691 | // This call will fail after the first time, but thats O.K. since we only need\r | |
| 692 | // WIN_NT_GOP_CLASS_NAME to exist to create the window.\r | |
| 693 | //\r | |
| 694 | // Note: Multiple instances of this DLL will use the same instance of this\r | |
| 695 | // Class, including the callback function, unless the Class is unregistered and\r | |
| 696 | // successfully registered again.\r | |
| 697 | //\r | |
| 698 | RegisterClassEx (&Private->WindowsClass);\r | |
| 699 | \r | |
| 700 | //\r | |
| 701 | // Setting Rect values to allow for the AdjustWindowRect to provide\r | |
| 702 | // us the correct sizes for the client area when doing the CreateWindowEx\r | |
| 703 | //\r | |
| 704 | Rect.top = 0;\r | |
| 705 | Rect.bottom = Private->Height;\r | |
| 706 | Rect.left = 0;\r | |
| 707 | Rect.right = Private->Width;\r | |
| 708 | \r | |
| 709 | AdjustWindowRect (&Rect, WS_OVERLAPPEDWINDOW, 0);\r | |
| 710 | \r | |
| 711 | Private->WindowHandle = CreateWindowEx (\r | |
| 712 | 0,\r | |
| 713 | WIN_NT_GOP_CLASS_NAME,\r | |
| 714 | Private->WindowName,\r | |
| 715 | WS_OVERLAPPEDWINDOW,\r | |
| 716 | CW_USEDEFAULT,\r | |
| 717 | CW_USEDEFAULT,\r | |
| 718 | Rect.right - Rect.left,\r | |
| 719 | Rect.bottom - Rect.top,\r | |
| 720 | NULL,\r | |
| 721 | NULL,\r | |
| 722 | NULL,\r | |
| 723 | (VOID **)&Private\r | |
| 724 | );\r | |
| 725 | \r | |
| 726 | //\r | |
| 727 | // The reset of this thread is the standard winows program. We need a sperate\r | |
| 728 | // thread since we must process the message loop to make windows act like\r | |
| 729 | // windows.\r | |
| 730 | //\r | |
| 731 | \r | |
| 732 | ShowWindow (Private->WindowHandle, SW_SHOW);\r | |
| 733 | UpdateWindow (Private->WindowHandle);\r | |
| 734 | \r | |
| 735 | //\r | |
| 736 | // Let the main thread get some work done\r | |
| 737 | //\r | |
| 738 | ReleaseSemaphore (Private->ThreadInited, 1, NULL);\r | |
| 739 | \r | |
| 740 | //\r | |
| 741 | // This is the message loop that all Windows programs need.\r | |
| 742 | //\r | |
| 743 | while (GetMessage (&Message, Private->WindowHandle, 0, 0)) {\r | |
| 744 | TranslateMessage (&Message);\r | |
| 745 | DispatchMessage (&Message);\r | |
| 746 | }\r | |
| 747 | \r | |
| 748 | return (DWORD)Message.wParam;\r | |
| 749 | }\r | |
| 750 | \r | |
| 751 | \r | |
| 752 | /**\r | |
| 753 | TODO: Add function description\r | |
| 754 | \r | |
| 755 | @param Private TODO: add argument description\r | |
| 756 | @param HorizontalResolution TODO: add argument description\r | |
| 757 | @param VerticalResolution TODO: add argument description\r | |
| 758 | @param ColorDepth TODO: add argument description\r | |
| 759 | @param RefreshRate TODO: add argument description\r | |
| 760 | \r | |
| 761 | @return TODO: add return values\r | |
| 762 | \r | |
| 763 | **/\r | |
| 764 | EFI_STATUS\r | |
| 765 | EFIAPI\r | |
| 766 | WinNtGraphicsWindowOpen (\r | |
| 767 | IN EMU_IO_THUNK_PROTOCOL *This\r | |
| 768 | )\r | |
| 769 | {\r | |
| 770 | DWORD NewThreadId;\r | |
| 771 | GRAPHICS_PRIVATE_DATA *Private;\r | |
| 772 | \r | |
| 773 | Private = AllocateZeroPool (sizeof (*Private));\r | |
| 774 | \r | |
| 775 | GopPrivateCreateQ (Private, &Private->QueueForRead);\r | |
| 776 | \r | |
| 777 | Private->GraphicsWindowIo.Size = WinNtWndSize;\r | |
| 778 | Private->GraphicsWindowIo.CheckKey = WinNtWndCheckKey;\r | |
| 779 | Private->GraphicsWindowIo.GetKey = WinNtWndGetKey;\r | |
| 780 | Private->GraphicsWindowIo.KeySetState = WinNtWndKeySetState;\r | |
| 781 | Private->GraphicsWindowIo.RegisterKeyNotify = WinNtWndRegisterKeyNotify;\r | |
| 782 | Private->GraphicsWindowIo.Blt = WinNtWndBlt;\r | |
| 783 | Private->GraphicsWindowIo.CheckPointer = WinNtWndCheckPointer;\r | |
| 784 | Private->GraphicsWindowIo.GetPointerState = WinNtWndGetPointerState;\r | |
| 785 | \r | |
| 786 | Private->WindowName = This->ConfigString;\r | |
| 787 | //\r | |
| 788 | // Initialize a Thread Local Storge variable slot. We use TLS to get the\r | |
| 789 | // correct Private data instance into the windows thread.\r | |
| 790 | //\r | |
| 791 | if (mTlsIndex == TLS_OUT_OF_INDEXES) {\r | |
| 792 | ASSERT (0 == mTlsIndexUseCount);\r | |
| 793 | mTlsIndex = TlsAlloc ();\r | |
| 794 | }\r | |
| 795 | \r | |
| 796 | //\r | |
| 797 | // always increase the use count!\r | |
| 798 | //\r | |
| 799 | mTlsIndexUseCount++;\r | |
| 800 | \r | |
| 801 | Private->ThreadInited = CreateSemaphore (NULL, 0, 1, NULL);\r | |
| 802 | Private->ThreadHandle = CreateThread (\r | |
| 803 | NULL,\r | |
| 804 | 0,\r | |
| 805 | WinNtGopThreadWinMain,\r | |
| 806 | (VOID *) Private,\r | |
| 807 | 0,\r | |
| 808 | &NewThreadId\r | |
| 809 | );\r | |
| 810 | \r | |
| 811 | //\r | |
| 812 | // The other thread has entered the windows message loop so we can\r | |
| 813 | // continue our initialization.\r | |
| 814 | //\r | |
| 815 | WaitForSingleObject (Private->ThreadInited, INFINITE);\r | |
| 816 | CloseHandle (Private->ThreadInited);\r | |
| 817 | \r | |
| 818 | This->Private = Private;\r | |
| 819 | This->Interface = &Private->GraphicsWindowIo;\r | |
| 820 | \r | |
| 821 | return EFI_SUCCESS;\r | |
| 822 | }\r | |
| 823 | \r | |
| 824 | EFI_STATUS\r | |
| 825 | EFIAPI\r | |
| 826 | WinNtGraphicsWindowClose (\r | |
| 827 | IN EMU_IO_THUNK_PROTOCOL *This\r | |
| 828 | )\r | |
| 829 | {\r | |
| 830 | GRAPHICS_PRIVATE_DATA *Private;\r | |
| 831 | \r | |
| 832 | Private = (GRAPHICS_PRIVATE_DATA *)This->Private;\r | |
| 833 | \r | |
| 834 | //\r | |
| 835 | // BugBug: Shutdown GOP Hardware and any child devices.\r | |
| 836 | //\r | |
| 837 | SendMessage (Private->WindowHandle, WM_DESTROY, 0, 0);\r | |
| 838 | CloseHandle (Private->ThreadHandle);\r | |
| 839 | \r | |
| 840 | mTlsIndexUseCount--;\r | |
| 841 | \r | |
| 842 | //\r | |
| 843 | // The callback function for another window could still be called,\r | |
| 844 | // so we need to make sure there are no more users of mTlsIndex.\r | |
| 845 | //\r | |
| 846 | if (0 == mTlsIndexUseCount) {\r | |
| 847 | ASSERT (TLS_OUT_OF_INDEXES != mTlsIndex);\r | |
| 848 | \r | |
| 849 | TlsFree (mTlsIndex);\r | |
| 850 | mTlsIndex = TLS_OUT_OF_INDEXES;\r | |
| 851 | \r | |
| 852 | UnregisterClass (\r | |
| 853 | Private->WindowsClass.lpszClassName,\r | |
| 854 | Private->WindowsClass.hInstance\r | |
| 855 | );\r | |
| 856 | }\r | |
| 857 | \r | |
| 858 | \r | |
| 859 | GopPrivateDestroyQ (Private, &Private->QueueForRead);\r | |
| 860 | return EFI_SUCCESS;\r | |
| 861 | }\r | |
| 862 | \r | |
| 863 | \r | |
| 864 | EMU_IO_THUNK_PROTOCOL mWinNtWndThunkIo = {\r | |
| 865 | &gEmuGraphicsWindowProtocolGuid,\r | |
| 866 | NULL,\r | |
| 867 | NULL,\r | |
| 868 | 0,\r | |
| 869 | WinNtGraphicsWindowOpen,\r | |
| 870 | WinNtGraphicsWindowClose,\r | |
| 871 | NULL\r | |
| 872 | };\r |