| /** @file | |
| Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| Module Name: | |
| WinGopScreen.c | |
| Abstract: | |
| This file produces the graphics abstration of GOP. It is called by | |
| WinNtGopDriver.c file which deals with the UEFI 2.0 driver model. | |
| This file just does graphics. | |
| **/ | |
| #include "WinGop.h" | |
| DWORD mTlsIndex = TLS_OUT_OF_INDEXES; | |
| DWORD mTlsIndexUseCount = 0; // lets us know when we can free mTlsIndex. | |
| BOOLEAN | |
| WinNtGopConvertParamToEfiKeyShiftState ( | |
| IN GRAPHICS_PRIVATE_DATA *Private, | |
| IN WPARAM *wParam, | |
| IN LPARAM *lParam, | |
| IN BOOLEAN Flag | |
| ) | |
| { | |
| switch (*wParam) { | |
| // | |
| // BUGBUG: Only GetAsyncKeyState() and GetKeyState() can distinguish | |
| // left and right Ctrl, and Shift key. | |
| // Neither of the two is defined in EFI_WIN_NT_THUNK_PROTOCOL. | |
| // Therefor, we can not set the correct Shift state here. | |
| // | |
| case VK_SHIFT: | |
| if ((*lParam & GOP_EXTENDED_KEY) == GOP_EXTENDED_KEY) { | |
| Private->RightShift = Flag; | |
| } else { | |
| Private->LeftShift = Flag; | |
| } | |
| return TRUE; | |
| case VK_LSHIFT: | |
| Private->LeftShift = Flag; | |
| return TRUE; | |
| case VK_RSHIFT: | |
| Private->RightShift = Flag; | |
| return TRUE; | |
| case VK_CONTROL: | |
| if ((*lParam & GOP_EXTENDED_KEY) == GOP_EXTENDED_KEY) { | |
| Private->RightCtrl = Flag; | |
| } else { | |
| Private->LeftCtrl = Flag; | |
| } | |
| return TRUE; | |
| case VK_LCONTROL: | |
| Private->LeftCtrl = Flag; | |
| return TRUE; | |
| case VK_RCONTROL: | |
| Private->RightCtrl = Flag; | |
| return TRUE; | |
| case VK_LWIN: | |
| Private->LeftLogo = Flag; | |
| return TRUE; | |
| case VK_RWIN: | |
| Private->RightLogo = Flag; | |
| return TRUE; | |
| case VK_APPS: | |
| Private->Menu = Flag; | |
| return TRUE; | |
| // | |
| // BUGBUG: PrintScreen/SysRq can not trigger WM_KEYDOWN message, | |
| // so SySReq shift state is not supported here. | |
| // | |
| case VK_PRINT: | |
| Private->SysReq = Flag; | |
| return TRUE; | |
| // | |
| // For Alt Keystroke. | |
| // | |
| case VK_MENU: | |
| if ((*lParam & GOP_EXTENDED_KEY) == GOP_EXTENDED_KEY) { | |
| Private->RightAlt = Flag; | |
| } else { | |
| Private->LeftAlt = Flag; | |
| } | |
| return TRUE; | |
| default: | |
| return FALSE; | |
| } | |
| } | |
| BOOLEAN | |
| WinNtGopConvertParamToEfiKey ( | |
| IN GRAPHICS_PRIVATE_DATA *Private, | |
| IN WPARAM *wParam, | |
| IN LPARAM *lParam, | |
| IN EFI_INPUT_KEY *Key | |
| ) | |
| { | |
| BOOLEAN Flag; | |
| Flag = FALSE; | |
| switch (*wParam) { | |
| case VK_HOME: Key->ScanCode = SCAN_HOME; | |
| Flag = TRUE; | |
| break; | |
| case VK_END: Key->ScanCode = SCAN_END; | |
| Flag = TRUE; | |
| break; | |
| case VK_LEFT: Key->ScanCode = SCAN_LEFT; | |
| Flag = TRUE; | |
| break; | |
| case VK_RIGHT: Key->ScanCode = SCAN_RIGHT; | |
| Flag = TRUE; | |
| break; | |
| case VK_UP: Key->ScanCode = SCAN_UP; | |
| Flag = TRUE; | |
| break; | |
| case VK_DOWN: Key->ScanCode = SCAN_DOWN; | |
| Flag = TRUE; | |
| break; | |
| case VK_DELETE: Key->ScanCode = SCAN_DELETE; | |
| Flag = TRUE; | |
| break; | |
| case VK_INSERT: Key->ScanCode = SCAN_INSERT; | |
| Flag = TRUE; | |
| break; | |
| case VK_PRIOR: Key->ScanCode = SCAN_PAGE_UP; | |
| Flag = TRUE; | |
| break; | |
| case VK_NEXT: Key->ScanCode = SCAN_PAGE_DOWN; | |
| Flag = TRUE; | |
| break; | |
| case VK_ESCAPE: Key->ScanCode = SCAN_ESC; | |
| Flag = TRUE; | |
| break; | |
| case VK_F1: Key->ScanCode = SCAN_F1; | |
| Flag = TRUE; | |
| break; | |
| case VK_F2: Key->ScanCode = SCAN_F2; | |
| Flag = TRUE; | |
| break; | |
| case VK_F3: Key->ScanCode = SCAN_F3; | |
| Flag = TRUE; | |
| break; | |
| case VK_F4: Key->ScanCode = SCAN_F4; | |
| Flag = TRUE; | |
| break; | |
| case VK_F5: Key->ScanCode = SCAN_F5; | |
| Flag = TRUE; | |
| break; | |
| case VK_F6: Key->ScanCode = SCAN_F6; | |
| Flag = TRUE; | |
| break; | |
| case VK_F7: Key->ScanCode = SCAN_F7; | |
| Flag = TRUE; | |
| break; | |
| case VK_F8: Key->ScanCode = SCAN_F8; | |
| Flag = TRUE; | |
| break; | |
| case VK_F9: Key->ScanCode = SCAN_F9; | |
| Flag = TRUE; | |
| break; | |
| case VK_F11: Key->ScanCode = SCAN_F11; | |
| Flag = TRUE; | |
| break; | |
| case VK_F12: Key->ScanCode = SCAN_F12; | |
| Flag = TRUE; | |
| break; | |
| case VK_F13: Key->ScanCode = SCAN_F13; | |
| Flag = TRUE; | |
| break; | |
| case VK_F14: Key->ScanCode = SCAN_F14; | |
| Flag = TRUE; | |
| break; | |
| case VK_F15: Key->ScanCode = SCAN_F15; | |
| Flag = TRUE; | |
| break; | |
| case VK_F16: Key->ScanCode = SCAN_F16; | |
| Flag = TRUE; | |
| break; | |
| case VK_F17: Key->ScanCode = SCAN_F17; | |
| Flag = TRUE; | |
| break; | |
| case VK_F18: Key->ScanCode = SCAN_F18; | |
| Flag = TRUE; | |
| break; | |
| case VK_F19: Key->ScanCode = SCAN_F19; | |
| Flag = TRUE; | |
| break; | |
| case VK_F20: Key->ScanCode = SCAN_F20; | |
| Flag = TRUE; | |
| break; | |
| case VK_F21: Key->ScanCode = SCAN_F21; | |
| Flag = TRUE; | |
| break; | |
| case VK_F22: Key->ScanCode = SCAN_F22; | |
| Flag = TRUE; | |
| break; | |
| case VK_F23: Key->ScanCode = SCAN_F23; | |
| Flag = TRUE; | |
| break; | |
| case VK_F24: Key->ScanCode = SCAN_F24; | |
| Flag = TRUE; | |
| break; | |
| case VK_PAUSE: Key->ScanCode = SCAN_PAUSE; | |
| Flag = TRUE; | |
| break; | |
| // | |
| // Set toggle state | |
| // | |
| case VK_NUMLOCK: | |
| Private->NumLock = (BOOLEAN)(!Private->NumLock); | |
| Flag = TRUE; | |
| break; | |
| case VK_SCROLL: | |
| Private->ScrollLock = (BOOLEAN)(!Private->ScrollLock); | |
| Flag = TRUE; | |
| break; | |
| case VK_CAPITAL: | |
| Private->CapsLock = (BOOLEAN)(!Private->CapsLock); | |
| Flag = TRUE; | |
| break; | |
| } | |
| return (WinNtGopConvertParamToEfiKeyShiftState (Private, wParam, lParam, TRUE)) == TRUE ? TRUE : Flag; | |
| } | |
| // | |
| // GOP Protocol Member Functions | |
| // | |
| /** | |
| Change the resolution and resize of the window | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| WinNtWndSize ( | |
| IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo, | |
| IN UINT32 Width, | |
| IN UINT32 Height | |
| ) | |
| { | |
| RETURN_STATUS RStatus; | |
| EFI_GRAPHICS_OUTPUT_MODE_INFORMATION Info; | |
| GRAPHICS_PRIVATE_DATA *Private; | |
| RECT Rect; | |
| BITMAPV4HEADER *VirtualScreenInfo; | |
| FRAME_BUFFER_CONFIGURE *FrameBufferConfigure; | |
| UINTN FrameBufferConfigureSize; | |
| Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo); | |
| // | |
| // Allocate DIB frame buffer directly from NT for performance enhancement | |
| // This buffer is the virtual screen/frame buffer. | |
| // | |
| VirtualScreenInfo = HeapAlloc ( | |
| GetProcessHeap (), | |
| HEAP_ZERO_MEMORY, | |
| Width * Height * sizeof (RGBQUAD) + sizeof (BITMAPV4HEADER) | |
| ); | |
| if (VirtualScreenInfo == NULL) { | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| // | |
| // Update the virtual screen info data structure | |
| // Use negative Height to make sure screen/buffer are using the same coordinate. | |
| // | |
| VirtualScreenInfo->bV4Size = sizeof (BITMAPV4HEADER); | |
| VirtualScreenInfo->bV4Width = Width; | |
| VirtualScreenInfo->bV4Height = -(LONG)Height; | |
| VirtualScreenInfo->bV4Planes = 1; | |
| VirtualScreenInfo->bV4BitCount = 32; | |
| // | |
| // uncompressed | |
| // | |
| VirtualScreenInfo->bV4V4Compression = BI_RGB; | |
| Info.HorizontalResolution = Width; | |
| Info.VerticalResolution = Height; | |
| Info.PixelFormat = PixelBlueGreenRedReserved8BitPerColor; | |
| Info.PixelsPerScanLine = Width; | |
| FrameBufferConfigureSize = 0; | |
| RStatus = FrameBufferBltConfigure (VirtualScreenInfo + 1, &Info, NULL, &FrameBufferConfigureSize); | |
| ASSERT (RStatus == EFI_BUFFER_TOO_SMALL); | |
| FrameBufferConfigure = AllocatePool (FrameBufferConfigureSize); | |
| if (FrameBufferConfigure == NULL) { | |
| HeapFree (GetProcessHeap (), 0, VirtualScreenInfo); | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| RStatus = FrameBufferBltConfigure (VirtualScreenInfo + 1, &Info, FrameBufferConfigure, &FrameBufferConfigureSize); | |
| ASSERT_RETURN_ERROR (RStatus); | |
| if (Private->FrameBufferConfigure != NULL) { | |
| FreePool (Private->FrameBufferConfigure); | |
| } | |
| Private->FrameBufferConfigure = FrameBufferConfigure; | |
| // | |
| // 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() | |
| // | |
| if (Private->VirtualScreenInfo != NULL) { | |
| HeapFree (GetProcessHeap (), 0, Private->VirtualScreenInfo); | |
| } | |
| Private->VirtualScreenInfo = VirtualScreenInfo; | |
| Private->Width = Width; | |
| Private->Height = Height; | |
| // | |
| // 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 = Width; | |
| Rect.bottom = Height; | |
| AdjustWindowRect (&Rect, WS_OVERLAPPEDWINDOW, 0); | |
| Width = Rect.right - Rect.left; | |
| Height = Rect.bottom - Rect.top; | |
| // | |
| // Retrieve the original window position information | |
| // | |
| GetWindowRect (Private->WindowHandle, &Rect); | |
| // | |
| // Adjust the window size | |
| // | |
| MoveWindow (Private->WindowHandle, Rect.left, Rect.top, (INT32)Width, (INT32)Height, TRUE); | |
| 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 Height 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 occurred writing 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 | |
| WinNtWndBlt ( | |
| IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo, | |
| IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer OPTIONAL, | |
| IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation, | |
| IN EMU_GRAPHICS_WINDOWS__BLT_ARGS *Args | |
| ) | |
| { | |
| RETURN_STATUS RStatus; | |
| GRAPHICS_PRIVATE_DATA *Private; | |
| RECT Rect; | |
| Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo); | |
| RStatus = FrameBufferBlt ( | |
| Private->FrameBufferConfigure, | |
| BltBuffer, | |
| BltOperation, | |
| Args->SourceX, | |
| Args->SourceY, | |
| Args->DestinationX, | |
| Args->DestinationY, | |
| Args->Width, | |
| Args->Height, | |
| Args->Delta | |
| ); | |
| if (RETURN_ERROR (RStatus)) { | |
| return (EFI_STATUS)RStatus; | |
| } | |
| if (BltOperation != EfiBltVideoToBltBuffer) { | |
| // | |
| // Mark the area we just blted as Invalid so WM_PAINT will update. | |
| // | |
| Rect.left = (LONG)Args->DestinationX; | |
| Rect.top = (LONG)Args->DestinationY; | |
| Rect.right = (LONG)(Args->DestinationX + Args->Width); | |
| Rect.bottom = (LONG)(Args->DestinationY + Args->Height); | |
| 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. | |
| // | |
| UpdateWindow (Private->WindowHandle); | |
| } | |
| 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 | |
| ) | |
| { | |
| GRAPHICS_PRIVATE_DATA *Private; | |
| HDC Handle; | |
| PAINTSTRUCT PaintStruct; | |
| LPARAM Index; | |
| EFI_INPUT_KEY Key; | |
| BOOLEAN AltIsPress; | |
| INT32 PosX; | |
| INT32 PosY; | |
| // | |
| // 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. | |
| // | |
| AltIsPress = FALSE; | |
| Private = TlsGetValue (mTlsIndex); | |
| ASSERT (NULL != Private); | |
| switch (iMsg) { | |
| case WM_PAINT: | |
| Handle = BeginPaint (hwnd, &PaintStruct); | |
| SetDIBitsToDevice ( | |
| Handle, // Destination Device Context | |
| 0, // Destination X - 0 | |
| 0, // Destination Y - 0 | |
| Private->Width, // Width | |
| Private->Height, // Height | |
| 0, // Source X | |
| 0, // Source Y | |
| 0, // DIB Start Scan Line | |
| Private->Height, // Number of scan lines | |
| Private->VirtualScreenInfo + 1, // Address of array of DIB bits | |
| (BITMAPINFO *)Private->VirtualScreenInfo, // Address of structure with bitmap info | |
| DIB_RGB_COLORS // RGB or palette indexes | |
| ); | |
| EndPaint (hwnd, &PaintStruct); | |
| return 0; | |
| // | |
| // F10 and the ALT key do not create a WM_KEYDOWN message, thus this special case | |
| // WM_SYSKEYDOWN is posted when F10 is pressed or | |
| // holds down ALT key and then presses another key. | |
| // | |
| case WM_SYSKEYDOWN: | |
| Key.ScanCode = 0; | |
| Key.UnicodeChar = CHAR_NULL; | |
| switch (wParam) { | |
| case VK_F10: | |
| Key.ScanCode = SCAN_F10; | |
| Key.UnicodeChar = CHAR_NULL; | |
| GopPrivateAddKey (Private, Key); | |
| return 0; | |
| } | |
| // | |
| // If ALT or ALT + modifier key is pressed. | |
| // | |
| if (WinNtGopConvertParamToEfiKey (Private, &wParam, &lParam, &Key)) { | |
| if (Key.ScanCode != 0) { | |
| // | |
| // If ALT is pressed with other ScanCode. | |
| // Always revers the left Alt for simple. | |
| // | |
| Private->LeftAlt = TRUE; | |
| } | |
| GopPrivateAddKey (Private, Key); | |
| // | |
| // When Alt is released there is no windoes message, so | |
| // clean it after using it. | |
| // | |
| Private->RightAlt = FALSE; | |
| Private->LeftAlt = FALSE; | |
| return 0; | |
| } | |
| AltIsPress = TRUE; | |
| case WM_CHAR: | |
| // | |
| // The ESC key also generate WM_CHAR. | |
| // | |
| if (wParam == 0x1B) { | |
| return 0; | |
| } | |
| if (AltIsPress == TRUE) { | |
| // | |
| // If AltIsPress is true that means the Alt key is pressed. | |
| // | |
| Private->LeftAlt = TRUE; | |
| } | |
| for (Index = 0; Index < (lParam & 0xffff); Index++) { | |
| if (wParam != 0) { | |
| Key.UnicodeChar = (CHAR16)wParam; | |
| Key.ScanCode = SCAN_NULL; | |
| GopPrivateAddKey (Private, Key); | |
| } | |
| } | |
| if (AltIsPress == TRUE) { | |
| // | |
| // When Alt is released there is no windoes message, so | |
| // clean it after using it. | |
| // | |
| Private->LeftAlt = FALSE; | |
| Private->RightAlt = FALSE; | |
| } | |
| return 0; | |
| case WM_SYSKEYUP: | |
| // | |
| // ALT is pressed with another key released | |
| // | |
| WinNtGopConvertParamToEfiKeyShiftState (Private, &wParam, &lParam, FALSE); | |
| return 0; | |
| case WM_KEYDOWN: | |
| Key.ScanCode = SCAN_NULL; | |
| Key.UnicodeChar = CHAR_NULL; | |
| // | |
| // A value key press will cause a WM_KEYDOWN first, then cause a WM_CHAR | |
| // So if there is no modifier key updated, skip the WM_KEYDOWN even. | |
| // | |
| if (WinNtGopConvertParamToEfiKey (Private, &wParam, &lParam, &Key)) { | |
| // | |
| // Support the partial keystroke, add all keydown event into the queue. | |
| // | |
| GopPrivateAddKey (Private, Key); | |
| } | |
| return 0; | |
| case WM_KEYUP: | |
| WinNtGopConvertParamToEfiKeyShiftState (Private, &wParam, &lParam, FALSE); | |
| return 0; | |
| case WM_MOUSEMOVE: | |
| PosX = GET_X_LPARAM (lParam); | |
| PosY = GET_Y_LPARAM (lParam); | |
| if (Private->PointerPreviousX != PosX) { | |
| Private->PointerState.RelativeMovementX += (PosX - Private->PointerPreviousX); | |
| Private->PointerPreviousX = PosX; | |
| Private->PointerStateChanged = TRUE; | |
| } | |
| if (Private->PointerPreviousY != PosY) { | |
| Private->PointerState.RelativeMovementY += (PosY - Private->PointerPreviousY); | |
| Private->PointerPreviousY = PosY; | |
| Private->PointerStateChanged = TRUE; | |
| } | |
| Private->PointerState.RelativeMovementZ = 0; | |
| return 0; | |
| case WM_LBUTTONDOWN: | |
| Private->PointerState.LeftButton = TRUE; | |
| Private->PointerStateChanged = TRUE; | |
| return 0; | |
| case WM_LBUTTONUP: | |
| Private->PointerState.LeftButton = FALSE; | |
| Private->PointerStateChanged = TRUE; | |
| return 0; | |
| case WM_RBUTTONDOWN: | |
| Private->PointerState.RightButton = TRUE; | |
| Private->PointerStateChanged = TRUE; | |
| return 0; | |
| case WM_RBUTTONUP: | |
| Private->PointerState.RightButton = FALSE; | |
| Private->PointerStateChanged = TRUE; | |
| 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. | |
| // | |
| ShowWindow (Private->WindowHandle, SW_HIDE); | |
| return 0; | |
| case WM_DESTROY: | |
| DestroyWindow (hwnd); | |
| PostQuitMessage (0); | |
| HeapFree (GetProcessHeap (), 0, Private->VirtualScreenInfo); | |
| ExitThread (0); | |
| default: | |
| break; | |
| } | |
| return DefWindowProc (hwnd, iMsg, wParam, lParam); | |
| } | |
| /** | |
| This thread simulates the end of WinMain () application. Each Window needs | |
| to process its events. The messages are dispatched to | |
| WinNtGopThreadWindowProc (). | |
| Be very careful since WinNtGopThreadWinMain () and WinNtGopThreadWindowProc () | |
| are running in a separate 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; | |
| GRAPHICS_PRIVATE_DATA *Private; | |
| RECT Rect; | |
| Private = (GRAPHICS_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. | |
| // | |
| TlsSetValue (mTlsIndex, Private); | |
| Private->ThreadId = 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 = LoadIcon (NULL, IDI_APPLICATION); | |
| Private->WindowsClass.hCursor = LoadCursor (NULL, IDC_ARROW); | |
| Private->WindowsClass.hbrBackground = (HBRUSH)(UINTN)COLOR_WINDOW; | |
| Private->WindowsClass.lpszMenuName = NULL; | |
| Private->WindowsClass.lpszClassName = WIN_NT_GOP_CLASS_NAME; | |
| Private->WindowsClass.hIconSm = LoadIcon (NULL, IDI_APPLICATION); | |
| // | |
| // Use 100 x 100 as initial Window size. | |
| // | |
| Private->Width = 100; | |
| Private->Height = 100; | |
| // | |
| // 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. | |
| // | |
| 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->Height; | |
| Rect.left = 0; | |
| Rect.right = Private->Width; | |
| AdjustWindowRect (&Rect, WS_OVERLAPPEDWINDOW, 0); | |
| Private->WindowHandle = 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, | |
| (VOID **)&Private | |
| ); | |
| // | |
| // The reset of this thread is the standard windows program. We need a separate | |
| // thread since we must process the message loop to make windows act like | |
| // windows. | |
| // | |
| ShowWindow (Private->WindowHandle, SW_SHOW); | |
| UpdateWindow (Private->WindowHandle); | |
| // | |
| // Let the main thread get some work done | |
| // | |
| ReleaseSemaphore (Private->ThreadInited, 1, NULL); | |
| // | |
| // This is the message loop that all Windows programs need. | |
| // | |
| while (GetMessage (&Message, Private->WindowHandle, 0, 0)) { | |
| TranslateMessage (&Message); | |
| DispatchMessage (&Message); | |
| } | |
| return (DWORD)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 | |
| EFIAPI | |
| WinNtGraphicsWindowOpen ( | |
| IN EMU_IO_THUNK_PROTOCOL *This | |
| ) | |
| { | |
| DWORD NewThreadId; | |
| GRAPHICS_PRIVATE_DATA *Private; | |
| Private = AllocateZeroPool (sizeof (*Private)); | |
| GopPrivateCreateQ (Private, &Private->QueueForRead); | |
| Private->Signature = GRAPHICS_PRIVATE_DATA_SIGNATURE; | |
| Private->GraphicsWindowIo.Size = WinNtWndSize; | |
| Private->GraphicsWindowIo.CheckKey = WinNtWndCheckKey; | |
| Private->GraphicsWindowIo.GetKey = WinNtWndGetKey; | |
| Private->GraphicsWindowIo.KeySetState = WinNtWndKeySetState; | |
| Private->GraphicsWindowIo.RegisterKeyNotify = WinNtWndRegisterKeyNotify; | |
| Private->GraphicsWindowIo.Blt = WinNtWndBlt; | |
| Private->GraphicsWindowIo.CheckPointer = WinNtWndCheckPointer; | |
| Private->GraphicsWindowIo.GetPointerState = WinNtWndGetPointerState; | |
| Private->WindowName = This->ConfigString; | |
| // | |
| // 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 = TlsAlloc (); | |
| } | |
| // | |
| // always increase the use count! | |
| // | |
| mTlsIndexUseCount++; | |
| Private->ThreadInited = CreateSemaphore (NULL, 0, 1, NULL); | |
| Private->ThreadHandle = CreateThread ( | |
| NULL, | |
| 0, | |
| WinNtGopThreadWinMain, | |
| (VOID *)Private, | |
| 0, | |
| &NewThreadId | |
| ); | |
| // | |
| // The other thread has entered the windows message loop so we can | |
| // continue our initialization. | |
| // | |
| WaitForSingleObject (Private->ThreadInited, INFINITE); | |
| CloseHandle (Private->ThreadInited); | |
| This->Private = Private; | |
| This->Interface = &Private->GraphicsWindowIo; | |
| return EFI_SUCCESS; | |
| } | |
| EFI_STATUS | |
| EFIAPI | |
| WinNtGraphicsWindowClose ( | |
| IN EMU_IO_THUNK_PROTOCOL *This | |
| ) | |
| { | |
| GRAPHICS_PRIVATE_DATA *Private; | |
| Private = (GRAPHICS_PRIVATE_DATA *)This->Private; | |
| // | |
| // BugBug: Shutdown GOP Hardware and any child devices. | |
| // | |
| SendMessage (Private->WindowHandle, WM_DESTROY, 0, 0); | |
| 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); | |
| TlsFree (mTlsIndex); | |
| mTlsIndex = TLS_OUT_OF_INDEXES; | |
| UnregisterClass ( | |
| Private->WindowsClass.lpszClassName, | |
| Private->WindowsClass.hInstance | |
| ); | |
| } | |
| GopPrivateDestroyQ (Private, &Private->QueueForRead); | |
| return EFI_SUCCESS; | |
| } | |
| EMU_IO_THUNK_PROTOCOL mWinNtWndThunkIo = { | |
| &gEmuGraphicsWindowProtocolGuid, | |
| NULL, | |
| NULL, | |
| 0, | |
| WinNtGraphicsWindowOpen, | |
| WinNtGraphicsWindowClose, | |
| NULL | |
| }; |