diff options
Diffstat (limited to 'EdkNt32Pkg/Dxe/WinNtThunk/Bus/Gop/WinNtGopScreen.c')
| -rw-r--r-- | EdkNt32Pkg/Dxe/WinNtThunk/Bus/Gop/WinNtGopScreen.c | 996 |
1 files changed, 0 insertions, 996 deletions
diff --git a/EdkNt32Pkg/Dxe/WinNtThunk/Bus/Gop/WinNtGopScreen.c b/EdkNt32Pkg/Dxe/WinNtThunk/Bus/Gop/WinNtGopScreen.c deleted file mode 100644 index 1923c34972..0000000000 --- a/EdkNt32Pkg/Dxe/WinNtThunk/Bus/Gop/WinNtGopScreen.c +++ /dev/null @@ -1,996 +0,0 @@ -/** @file - -Copyright (c) 2006 - 2007, Intel Corporation -All rights reserved. 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: - - WinNtGopScreen.c - -Abstract: - - This file produces the graphics abstration of GOP. It is called by - WinNtGopDriver.c file which deals with the EFI 1.1 driver model. - This file just does graphics. - - -**/ - -#include "WinNtGop.h" - -EFI_WIN_NT_THUNK_PROTOCOL *mWinNt; -DWORD mTlsIndex = TLS_OUT_OF_INDEXES; -DWORD mTlsIndexUseCount = 0; // lets us know when we can free mTlsIndex. -static EFI_EVENT mGopScreenExitBootServicesEvent; -GOP_MODE_DATA mGopModeData[] = { - {800, 600, 0, 0}, - {640, 480, 0, 0}, - {720, 400, 0, 0}, - {1024, 768, 0, 0}, - {1280, 1024, 0, 0} - }; - -EFI_STATUS -WinNtGopStartWindow ( - IN GOP_PRIVATE_DATA *Private, - IN UINT32 HorizontalResolution, - IN UINT32 VerticalResolution, - IN UINT32 ColorDepth, - IN UINT32 RefreshRate - ); - -STATIC -VOID -EFIAPI -KillNtGopThread ( - IN EFI_EVENT Event, - IN VOID *Context - ); - -// -// GOP Protocol Member Functions -// - - -/** - Graphics Output protocol interface to get video mode - - @param This Protocol instance pointer. - @param ModeNumber The mode number to return information on. - @param Info Caller allocated buffer that returns information - about ModeNumber. - @param SizeOfInfo A pointer to the size, in bytes, of the Info - buffer. - - @retval EFI_SUCCESS Mode information returned. - @retval EFI_BUFFER_TOO_SMALL The Info buffer was too small. - @retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the - video mode. - @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode () - @retval EFI_INVALID_PARAMETER One of the input args was NULL. - -**/ -EFI_STATUS -EFIAPI -WinNtGopQuerytMode ( - IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This, - IN UINT32 ModeNumber, - OUT UINTN *SizeOfInfo, - OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info - ) -{ - GOP_PRIVATE_DATA *Private; - - Private = GOP_PRIVATE_DATA_FROM_THIS (This); - - if (Info == NULL || SizeOfInfo == NULL || (UINTN) ModeNumber >= This->Mode->MaxMode) { - return EFI_INVALID_PARAMETER; - } - - *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION)); - if (*Info == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION); - - (*Info)->Version = 0; - (*Info)->HorizontalResolution = Private->ModeData[ModeNumber].HorizontalResolution; - (*Info)->VerticalResolution = Private->ModeData[ModeNumber].VerticalResolution; - (*Info)->PixelFormat = PixelBlueGreenRedReserved8BitPerColor; - (*Info)->PixelsPerScanLine = (*Info)->HorizontalResolution; - - return EFI_SUCCESS; -} - - -/** - Graphics Output protocol interface to set video mode - - @param This Protocol instance pointer. - @param ModeNumber The mode number to be set. - - @retval EFI_SUCCESS Graphics mode was changed. - @retval EFI_DEVICE_ERROR The device had an error and could not complete the - request. - @retval EFI_UNSUPPORTED ModeNumber is not supported by this device. - -**/ -EFI_STATUS -EFIAPI -WinNtGopSetMode ( - IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This, - IN UINT32 ModeNumber - ) -{ - EFI_STATUS Status; - GOP_PRIVATE_DATA *Private; - GOP_MODE_DATA *ModeData; - EFI_GRAPHICS_OUTPUT_BLT_PIXEL Fill; - EFI_GRAPHICS_OUTPUT_BLT_PIXEL *NewFillLine; - RECT Rect; - UINTN Size; - UINTN Width; - UINTN Height; - - Private = GOP_PRIVATE_DATA_FROM_THIS (This); - - if (ModeNumber >= This->Mode->MaxMode) { - return EFI_UNSUPPORTED; - } - - if (ModeNumber == This->Mode->Mode) { - return EFI_SUCCESS; - } - - ModeData = &Private->ModeData[ModeNumber]; - This->Mode->Mode = ModeNumber; - Private->GraphicsOutput.Mode->Info->HorizontalResolution = ModeData->HorizontalResolution; - Private->GraphicsOutput.Mode->Info->VerticalResolution = ModeData->VerticalResolution; - Private->GraphicsOutput.Mode->Info->PixelsPerScanLine = ModeData->HorizontalResolution; - - if (Private->HardwareNeedsStarting) { - Status = WinNtGopStartWindow ( - Private, - ModeData->HorizontalResolution, - ModeData->VerticalResolution, - ModeData->ColorDepth, - ModeData->RefreshRate - ); - if (EFI_ERROR (Status)) { - return EFI_DEVICE_ERROR; - } - - Private->HardwareNeedsStarting = FALSE; - } else { - // - // Change the resolution and resize of the window - // - - // - // Free the old buffer. We do not save the content of the old buffer since the - // screen is to be cleared anyway. Clearing the screen is required by the EFI spec. - // See UEFI spec -EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode() - // - Private->WinNtThunk->HeapFree (Private->WinNtThunk->GetProcessHeap (), 0, Private->VirtualScreenInfo); - - // - // Allocate DIB frame buffer directly from NT for performance enhancement - // This buffer is the virtual screen/frame buffer. This buffer is not the - // same a a frame buffer. The first row of this buffer will be the bottom - // line of the image. This is an artifact of the way we draw to the screen. - // - Size = ModeData->HorizontalResolution * ModeData->VerticalResolution * sizeof (RGBQUAD) + sizeof (BITMAPV4HEADER); - Private->VirtualScreenInfo = Private->WinNtThunk->HeapAlloc ( - Private->WinNtThunk->GetProcessHeap (), - HEAP_ZERO_MEMORY, - Size - ); - - // - // Update the virtual screen info data structure - // - Private->VirtualScreenInfo->bV4Size = sizeof (BITMAPV4HEADER); - Private->VirtualScreenInfo->bV4Width = ModeData->HorizontalResolution; - Private->VirtualScreenInfo->bV4Height = ModeData->VerticalResolution; - Private->VirtualScreenInfo->bV4Planes = 1; - Private->VirtualScreenInfo->bV4BitCount = 32; - // - // uncompressed - // - Private->VirtualScreenInfo->bV4V4Compression = BI_RGB; - - // - // The rest of the allocated memory block is the virtual screen buffer - // - Private->VirtualScreen = (RGBQUAD *) (Private->VirtualScreenInfo + 1); - - // - // Use the AdjuctWindowRect fuction to calculate the real width and height - // of the new window including the border and caption - // - Rect.left = 0; - Rect.top = 0; - Rect.right = ModeData->HorizontalResolution; - Rect.bottom = ModeData->VerticalResolution; - - Private->WinNtThunk->AdjustWindowRect (&Rect, WS_OVERLAPPEDWINDOW, 0); - - Width = Rect.right - Rect.left; - Height = Rect.bottom - Rect.top; - - // - // Retrieve the original window position information - // - Private->WinNtThunk->GetWindowRect (Private->WindowHandle, &Rect); - - // - // Adjust the window size - // - Private->WinNtThunk->MoveWindow (Private->WindowHandle, Rect.left, Rect.top, Width, Height, TRUE); - - } - - NewFillLine = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * ModeData->HorizontalResolution); - if (NewFillLine == NULL) { - return EFI_DEVICE_ERROR; - } - - if (Private->FillLine != NULL) { - FreePool (Private->FillLine); - } - - Private->FillLine = NewFillLine; - - Fill.Red = 0x00; - Fill.Green = 0x00; - Fill.Blue = 0x00; - This->Blt ( - This, - &Fill, - EfiBltVideoFill, - 0, - 0, - 0, - 0, - ModeData->HorizontalResolution, - ModeData->VerticalResolution, - ModeData->HorizontalResolution * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) - ); - return EFI_SUCCESS; -} - - -/** - Blt pixels from the rectangle (Width X Height) formed by the BltBuffer - onto the graphics screen starting a location (X, Y). (0, 0) is defined as - the upper left hand side of the screen. (X, Y) can be outside of the - current screen geometry and the BltBuffer will be cliped when it is - displayed. X and Y can be negative or positive. If Width or Height is - bigger than the current video screen the image will be clipped. - - @param This Protocol instance pointer. - @param X X location on graphics screen. - @param Y Y location on the graphics screen. - @param Width Width of BltBuffer. - @param Height Hight of BltBuffer - @param BltOperation Operation to perform on BltBuffer and video memory - @param BltBuffer Buffer containing data to blt into video buffer. - This buffer has a size of - Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL) - @param SourceX If the BltOperation is a EfiCopyBlt this is the - source of the copy. For other BLT operations this - argument is not used. - @param SourceX If the BltOperation is a EfiCopyBlt this is the - source of the copy. For other BLT operations this - argument is not used. - - @retval EFI_SUCCESS The palette is updated with PaletteArray. - @retval EFI_INVALID_PARAMETER BltOperation is not valid. - @retval EFI_DEVICE_ERROR A hardware error occured writting to the video - buffer. - -**/ -// TODO: SourceY - add argument and description to function comment -// TODO: DestinationX - add argument and description to function comment -// TODO: DestinationY - add argument and description to function comment -// TODO: Delta - add argument and description to function comment -EFI_STATUS -EFIAPI -WinNtGopBlt ( - IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This, - 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 OPTIONAL - ) -{ - GOP_PRIVATE_DATA *Private; - EFI_TPL OriginalTPL; - UINTN DstY; - UINTN SrcY; - RGBQUAD *VScreen; - RGBQUAD *VScreenSrc; - EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt; - UINTN Index; - RECT Rect; - EFI_GRAPHICS_OUTPUT_BLT_PIXEL *FillPixel; - UINT32 VerticalResolution; - UINT32 HorizontalResolution; - - Private = GOP_PRIVATE_DATA_FROM_THIS (This); - - if ((BltOperation < 0) || (BltOperation >= EfiGraphicsOutputBltOperationMax)) { - return EFI_INVALID_PARAMETER; - } - - if (Width == 0 || Height == 0) { - return EFI_INVALID_PARAMETER; - } - // - // If Delta is zero, then the entire BltBuffer is being used, so Delta - // is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size, - // the number of bytes in each row can be computed. - // - if (Delta == 0) { - Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL); - } - - // - // We need to fill the Virtual Screen buffer with the blt data. - // The virtual screen is upside down, as the first row is the bootom row of - // the image. - // - VerticalResolution = This->Mode->Info->VerticalResolution; - HorizontalResolution = This->Mode->Info->HorizontalResolution; - if (BltOperation == EfiBltVideoToBltBuffer) { - - // - // Video to BltBuffer: Source is Video, destination is BltBuffer - // - if (SourceY + Height > VerticalResolution) { - return EFI_INVALID_PARAMETER; - } - - if (SourceX + Width > HorizontalResolution) { - return EFI_INVALID_PARAMETER; - } - // - // We have to raise to TPL Notify, so we make an atomic write the frame buffer. - // We would not want a timer based event (Cursor, ...) to come in while we are - // doing this operation. - // - OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY); - - for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY); SrcY++, DstY++) { - Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + (DstY * Delta) + DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); - VScreen = &Private->VirtualScreen[(VerticalResolution - SrcY - 1) * HorizontalResolution + SourceX]; - CopyMem (Blt, VScreen, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * Width); - } - } else { - // - // BltBuffer to Video: Source is BltBuffer, destination is Video - // - if (DestinationY + Height > VerticalResolution) { - return EFI_INVALID_PARAMETER; - } - - if (DestinationX + Width > HorizontalResolution) { - return EFI_INVALID_PARAMETER; - } - - // - // We have to raise to TPL Notify, so we make an atomic write the frame buffer. - // We would not want a timer based event (Cursor, ...) to come in while we are - // doing this operation. - // - OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY); - - if (BltOperation == EfiBltVideoFill) { - FillPixel = BltBuffer; - for (Index = 0; Index < Width; Index++) { - Private->FillLine[Index] = *FillPixel; - } - } - - for (Index = 0; Index < Height; Index++) { - if (DestinationY <= SourceY) { - SrcY = SourceY + Index; - DstY = DestinationY + Index; - } else { - SrcY = SourceY + Height - Index - 1; - DstY = DestinationY + Height - Index - 1; - } - - VScreen = &Private->VirtualScreen[(VerticalResolution - DstY - 1) * HorizontalResolution + DestinationX]; - switch (BltOperation) { - case EfiBltBufferToVideo: - Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + (SrcY * Delta) + SourceX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); - CopyMem (VScreen, Blt, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); - break; - - case EfiBltVideoToVideo: - VScreenSrc = &Private->VirtualScreen[(VerticalResolution - SrcY - 1) * HorizontalResolution + SourceX]; - CopyMem (VScreen, VScreenSrc, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); - break; - - case EfiBltVideoFill: - CopyMem (VScreen, Private->FillLine, Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); - break; - } - } - } - - if (BltOperation != EfiBltVideoToBltBuffer) { - // - // Mark the area we just blted as Invalid so WM_PAINT will update. - // - Rect.left = DestinationX; - Rect.top = DestinationY; - Rect.right = DestinationX + Width; - Rect.bottom = DestinationY + Height; - Private->WinNtThunk->InvalidateRect (Private->WindowHandle, &Rect, FALSE); - - // - // Send the WM_PAINT message to the thread that is drawing the window. We - // are in the main thread and the window drawing is in a child thread. - // There is a child thread per window. We have no CriticalSection or Mutex - // since we write the data and the other thread displays the data. While - // we may miss some data for a short period of time this is no different than - // a write combining on writes to a frame buffer. - // - - Private->WinNtThunk->UpdateWindow (Private->WindowHandle); - } - - gBS->RestoreTPL (OriginalTPL); - - return EFI_SUCCESS; -} - -// -// Construction and Destruction functions -// - - -/** - - - @return None - -**/ -// TODO: WinNtIo - add argument and description to function comment -// TODO: EFI_UNSUPPORTED - add return value to function comment -// TODO: EFI_SUCCESS - add return value to function comment -EFI_STATUS -WinNtGopSupported ( - IN EFI_WIN_NT_IO_PROTOCOL *WinNtIo - ) -{ - // - // Check to see if the IO abstraction represents a device type we support. - // - // This would be replaced a check of PCI subsystem ID, etc. - // - if (!CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtGopGuid)) { - return EFI_UNSUPPORTED; - } - - return EFI_SUCCESS; -} - - -/** - Win32 Windows event handler. - - See Win32 Book - - @return See Win32 Book - -**/ -// TODO: hwnd - add argument and description to function comment -// TODO: iMsg - add argument and description to function comment -// TODO: wParam - add argument and description to function comment -// TODO: lParam - add argument and description to function comment -LRESULT -CALLBACK -WinNtGopThreadWindowProc ( - IN HWND hwnd, - IN UINT iMsg, - IN WPARAM wParam, - IN LPARAM lParam - ) -{ - GOP_PRIVATE_DATA *Private; - UINTN Size; - HDC Handle; - PAINTSTRUCT PaintStruct; - LPARAM Index; - EFI_INPUT_KEY Key; - - // - // BugBug - if there are two instances of this DLL in memory (such as is - // the case for ERM), the correct instance of this function may not be called. - // This also means that the address of the mTlsIndex value will be wrong, and - // the value may be wrong too. - // - - - // - // Use mTlsIndex global to get a Thread Local Storage version of Private. - // This works since each Gop protocol has a unique Private data instance and - // a unique thread. - // - Private = mWinNt->TlsGetValue (mTlsIndex); - ASSERT (NULL != Private); - - switch (iMsg) { - case WM_CREATE: - Size = Private->GraphicsOutput.Mode->Info->HorizontalResolution * Private->GraphicsOutput.Mode->Info->VerticalResolution * sizeof (RGBQUAD); - - // - // Allocate DIB frame buffer directly from NT for performance enhancement - // This buffer is the virtual screen/frame buffer. This buffer is not the - // same a a frame buffer. The first fow of this buffer will be the bottom - // line of the image. This is an artifact of the way we draw to the screen. - // - Private->VirtualScreenInfo = Private->WinNtThunk->HeapAlloc ( - Private->WinNtThunk->GetProcessHeap (), - HEAP_ZERO_MEMORY, - Size - ); - - Private->VirtualScreenInfo->bV4Size = sizeof (BITMAPV4HEADER); - Private->VirtualScreenInfo->bV4Width = Private->GraphicsOutput.Mode->Info->HorizontalResolution; - Private->VirtualScreenInfo->bV4Height = Private->GraphicsOutput.Mode->Info->VerticalResolution; - Private->VirtualScreenInfo->bV4Planes = 1; - Private->VirtualScreenInfo->bV4BitCount = 32; - // - // uncompressed - // - Private->VirtualScreenInfo->bV4V4Compression = BI_RGB; - Private->VirtualScreen = (RGBQUAD *) (Private->VirtualScreenInfo + 1); - return 0; - - case WM_PAINT: - // - // I have not found a way to convert hwnd into a Private context. So for - // now we use this API to convert hwnd to Private data. - // - - Handle = mWinNt->BeginPaint (hwnd, &PaintStruct); - - mWinNt->SetDIBitsToDevice ( - Handle, // Destination Device Context - 0, // Destination X - 0 - 0, // Destination Y - 0 - Private->GraphicsOutput.Mode->Info->HorizontalResolution, // Width - Private->GraphicsOutput.Mode->Info->VerticalResolution, // Height - 0, // Source X - 0, // Source Y - 0, // DIB Start Scan Line - Private->GraphicsOutput.Mode->Info->VerticalResolution, // Number of scan lines - Private->VirtualScreen, // Address of array of DIB bits - (BITMAPINFO *) Private->VirtualScreenInfo, // Address of structure with bitmap info - DIB_RGB_COLORS // RGB or palette indexes - ); - - mWinNt->EndPaint (hwnd, &PaintStruct); - return 0; - - // - // F10 and the ALT key do not create a WM_KEYDOWN message, thus this special case - // - case WM_SYSKEYDOWN: - Key.ScanCode = 0; - switch (wParam) { - case VK_F10: - Key.ScanCode = SCAN_F10; - Key.UnicodeChar = 0; - GopPrivateAddQ (Private, Key); - return 0; - } - break; - - case WM_KEYDOWN: - Key.ScanCode = 0; - switch (wParam) { - case VK_HOME: Key.ScanCode = SCAN_HOME; break; - case VK_END: Key.ScanCode = SCAN_END; break; - case VK_LEFT: Key.ScanCode = SCAN_LEFT; break; - case VK_RIGHT: Key.ScanCode = SCAN_RIGHT; break; - case VK_UP: Key.ScanCode = SCAN_UP; break; - case VK_DOWN: Key.ScanCode = SCAN_DOWN; break; - case VK_DELETE: Key.ScanCode = SCAN_DELETE; break; - case VK_INSERT: Key.ScanCode = SCAN_INSERT; break; - case VK_PRIOR: Key.ScanCode = SCAN_PAGE_UP; break; - case VK_NEXT: Key.ScanCode = SCAN_PAGE_DOWN; break; - case VK_ESCAPE: Key.ScanCode = SCAN_ESC; break; - - case VK_F1: Key.ScanCode = SCAN_F1; break; - case VK_F2: Key.ScanCode = SCAN_F2; break; - case VK_F3: Key.ScanCode = SCAN_F3; break; - case VK_F4: Key.ScanCode = SCAN_F4; break; - case VK_F5: Key.ScanCode = SCAN_F5; break; - case VK_F6: Key.ScanCode = SCAN_F6; break; - case VK_F7: Key.ScanCode = SCAN_F7; break; - case VK_F8: Key.ScanCode = SCAN_F8; break; - case VK_F9: Key.ScanCode = SCAN_F9; break; - case VK_F11: Key.ScanCode = SCAN_F11; break; - case VK_F12: Key.ScanCode = SCAN_F12; break; - } - - if (Key.ScanCode != 0) { - Key.UnicodeChar = 0; - GopPrivateAddQ (Private, Key); - } - - return 0; - - case WM_CHAR: - // - // The ESC key also generate WM_CHAR. - // - if (wParam == 0x1B) { - return 0; - } - - for (Index = 0; Index < (lParam & 0xffff); Index++) { - if (wParam != 0) { - Key.UnicodeChar = (CHAR16) wParam; - Key.ScanCode = 0; - GopPrivateAddQ (Private, Key); - } - } - - return 0; - - case WM_CLOSE: - // - // This close message is issued by user, core is not aware of this, - // so don't release the window display resource, just hide the window. - // - Private->WinNtThunk->ShowWindow (Private->WindowHandle, SW_HIDE); - return 0; - - case WM_DESTROY: - mWinNt->DestroyWindow (hwnd); - mWinNt->PostQuitMessage (0); - - mWinNt->HeapFree (Private->WinNtThunk->GetProcessHeap (), 0, Private->VirtualScreenInfo); - - mWinNt->ExitThread (0); - return 0; - - default: - break; - }; - - return mWinNt->DefWindowProc (hwnd, iMsg, wParam, lParam); -} - - -/** - This thread simulates the end of WinMain () aplication. Each Winow nededs - to process it's events. The messages are dispatched to - WinNtGopThreadWindowProc (). - Be very careful sine WinNtGopThreadWinMain () and WinNtGopThreadWindowProc () - are running in a seperate thread. We have to do this to process the events. - - @param lpParameter Handle of window to manage. - - @return if a WM_QUIT message is returned exit. - -**/ -DWORD -WINAPI -WinNtGopThreadWinMain ( - LPVOID lpParameter - ) -{ - MSG Message; - GOP_PRIVATE_DATA *Private; - ATOM Atom; - RECT Rect; - - Private = (GOP_PRIVATE_DATA *) lpParameter; - ASSERT (NULL != Private); - - // - // Since each thread has unique private data, save the private data in Thread - // Local Storage slot. Then the shared global mTlsIndex can be used to get - // thread specific context. - // - Private->WinNtThunk->TlsSetValue (mTlsIndex, Private); - - Private->ThreadId = Private->WinNtThunk->GetCurrentThreadId (); - - Private->WindowsClass.cbSize = sizeof (WNDCLASSEX); - Private->WindowsClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; - Private->WindowsClass.lpfnWndProc = WinNtGopThreadWindowProc; - Private->WindowsClass.cbClsExtra = 0; - Private->WindowsClass.cbWndExtra = 0; - Private->WindowsClass.hInstance = NULL; - Private->WindowsClass.hIcon = Private->WinNtThunk->LoadIcon (NULL, IDI_APPLICATION); - Private->WindowsClass.hCursor = Private->WinNtThunk->LoadCursor (NULL, IDC_ARROW); - Private->WindowsClass.hbrBackground = (HBRUSH) COLOR_WINDOW; - Private->WindowsClass.lpszMenuName = NULL; - Private->WindowsClass.lpszClassName = WIN_NT_GOP_CLASS_NAME; - Private->WindowsClass.hIconSm = Private->WinNtThunk->LoadIcon (NULL, IDI_APPLICATION); - - // - // This call will fail after the first time, but thats O.K. since we only need - // WIN_NT_GOP_CLASS_NAME to exist to create the window. - // - // Note: Multiple instances of this DLL will use the same instance of this - // Class, including the callback function, unless the Class is unregistered and - // successfully registered again. - // - Atom = Private->WinNtThunk->RegisterClassEx (&Private->WindowsClass); - - // - // Setting Rect values to allow for the AdjustWindowRect to provide - // us the correct sizes for the client area when doing the CreateWindowEx - // - Rect.top = 0; - Rect.bottom = Private->GraphicsOutput.Mode->Info->VerticalResolution; - Rect.left = 0; - Rect.right = Private->GraphicsOutput.Mode->Info->HorizontalResolution; - - Private->WinNtThunk->AdjustWindowRect (&Rect, WS_OVERLAPPEDWINDOW, 0); - - Private->WindowHandle = Private->WinNtThunk->CreateWindowEx ( - 0, - WIN_NT_GOP_CLASS_NAME, - Private->WindowName, - WS_OVERLAPPEDWINDOW, - CW_USEDEFAULT, - CW_USEDEFAULT, - Rect.right - Rect.left, - Rect.bottom - Rect.top, - NULL, - NULL, - NULL, - &Private - ); - - // - // The reset of this thread is the standard winows program. We need a sperate - // thread since we must process the message loop to make windows act like - // windows. - // - - Private->WinNtThunk->ShowWindow (Private->WindowHandle, SW_SHOW); - Private->WinNtThunk->UpdateWindow (Private->WindowHandle); - - // - // Let the main thread get some work done - // - Private->WinNtThunk->ReleaseSemaphore (Private->ThreadInited, 1, NULL); - - // - // This is the message loop that all Windows programs need. - // - while (Private->WinNtThunk->GetMessage (&Message, Private->WindowHandle, 0, 0)) { - Private->WinNtThunk->TranslateMessage (&Message); - Private->WinNtThunk->DispatchMessage (&Message); - } - - return Message.wParam; -} - - -/** - TODO: Add function description - - @param Private TODO: add argument description - @param HorizontalResolution TODO: add argument description - @param VerticalResolution TODO: add argument description - @param ColorDepth TODO: add argument description - @param RefreshRate TODO: add argument description - - @return TODO: add return values - -**/ -EFI_STATUS -WinNtGopStartWindow ( - IN GOP_PRIVATE_DATA *Private, - IN UINT32 HorizontalResolution, - IN UINT32 VerticalResolution, - IN UINT32 ColorDepth, - IN UINT32 RefreshRate - ) -{ - EFI_STATUS Status; - DWORD NewThreadId; - - mWinNt = Private->WinNtThunk; - - // - // Initialize a Thread Local Storge variable slot. We use TLS to get the - // correct Private data instance into the windows thread. - // - if (mTlsIndex == TLS_OUT_OF_INDEXES) { - ASSERT (0 == mTlsIndexUseCount); - mTlsIndex = Private->WinNtThunk->TlsAlloc (); - } - - // - // always increase the use count! - // - mTlsIndexUseCount++; - - // - // Register to be notified on exit boot services so we can destroy the window. - // - Status = gBS->CreateEvent ( - EVT_SIGNAL_EXIT_BOOT_SERVICES, - TPL_CALLBACK, - KillNtGopThread, - Private, - &mGopScreenExitBootServicesEvent - ); - - Private->ThreadInited = Private->WinNtThunk->CreateSemaphore (NULL, 0, 1, NULL); - Private->ThreadHandle = Private->WinNtThunk->CreateThread ( - NULL, - 0, - WinNtGopThreadWinMain, - (VOID *) Private, - 0, - &NewThreadId - ); - - // - // The other thread has entered the windows message loop so we can - // continue our initialization. - // - Private->WinNtThunk->WaitForSingleObject (Private->ThreadInited, INFINITE); - Private->WinNtThunk->CloseHandle (Private->ThreadInited); - - return Status; -} - - -/** - - - @return None - -**/ -// TODO: Private - add argument and description to function comment -// TODO: EFI_SUCCESS - add return value to function comment -EFI_STATUS -WinNtGopConstructor ( - GOP_PRIVATE_DATA *Private - ) -{ - Private->ModeData = mGopModeData; - - Private->GraphicsOutput.QueryMode = WinNtGopQuerytMode; - Private->GraphicsOutput.SetMode = WinNtGopSetMode; - Private->GraphicsOutput.Blt = WinNtGopBlt; - - // - // Allocate buffer for Graphics Output Protocol mode information - // - Private->GraphicsOutput.Mode = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE)); - if (Private->GraphicsOutput.Mode == NULL) { - return EFI_OUT_OF_RESOURCES; - } - Private->GraphicsOutput.Mode->Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION)); - if (Private->GraphicsOutput.Mode->Info == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - Private->GraphicsOutput.Mode->MaxMode = sizeof(mGopModeData) / sizeof(GOP_MODE_DATA); - // - // Till now, we have no idea about the window size. - // - Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER; - Private->GraphicsOutput.Mode->Info->Version = 0; - Private->GraphicsOutput.Mode->Info->HorizontalResolution = 0; - Private->GraphicsOutput.Mode->Info->VerticalResolution = 0; - Private->GraphicsOutput.Mode->Info->PixelFormat = PixelBltOnly; - Private->GraphicsOutput.Mode->SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION); - Private->GraphicsOutput.Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS) (UINTN) NULL; - Private->GraphicsOutput.Mode->FrameBufferSize = 0; - - Private->HardwareNeedsStarting = TRUE; - Private->FillLine = NULL; - - WinNtGopInitializeSimpleTextInForWindow (Private); - - return EFI_SUCCESS; -} - - -/** - - - @return None - -**/ -// TODO: Private - add argument and description to function comment -// TODO: EFI_SUCCESS - add return value to function comment -EFI_STATUS -WinNtGopDestructor ( - GOP_PRIVATE_DATA *Private - ) -{ - UINT32 UnregisterReturn; - - if (!Private->HardwareNeedsStarting) { - // - // BugBug: Shutdown GOP Hardware and any child devices. - // - Private->WinNtThunk->SendMessage (Private->WindowHandle, WM_DESTROY, 0, 0); - Private->WinNtThunk->CloseHandle (Private->ThreadHandle); - - mTlsIndexUseCount--; - - // - // The callback function for another window could still be called, - // so we need to make sure there are no more users of mTlsIndex. - // - if (0 == mTlsIndexUseCount) { - ASSERT (TLS_OUT_OF_INDEXES != mTlsIndex); - - Private->WinNtThunk->TlsFree (mTlsIndex); - mTlsIndex = TLS_OUT_OF_INDEXES; - - UnregisterReturn = Private->WinNtThunk->UnregisterClass ( - Private->WindowsClass.lpszClassName, - Private->WindowsClass.hInstance - ); - } - - WinNtGopDestroySimpleTextInForWindow (Private); - } - - // - // Free graphics output protocol occupied resource - // - if (Private->GraphicsOutput.Mode != NULL) { - if (Private->GraphicsOutput.Mode->Info != NULL) { - FreePool (Private->GraphicsOutput.Mode->Info); - } - FreePool (Private->GraphicsOutput.Mode); - } - - return EFI_SUCCESS; -} - - -/** - This is the GOP screen's callback notification function for exit-boot-services. - All we do here is call WinNtGopDestructor(). - - @param Event not used - @param Context pointer to the Private structure. - - @return None. - -**/ -STATIC -VOID -EFIAPI -KillNtGopThread ( - IN EFI_EVENT Event, - IN VOID *Context - ) -{ - EFI_STATUS Status; - Status = WinNtGopDestructor (Context); -} |