diff options
Diffstat (limited to 'roms/edk2/EmulatorPkg/Win/Host/WinGopScreen.c')
| -rw-r--r-- | roms/edk2/EmulatorPkg/Win/Host/WinGopScreen.c | 827 |
1 files changed, 827 insertions, 0 deletions
diff --git a/roms/edk2/EmulatorPkg/Win/Host/WinGopScreen.c b/roms/edk2/EmulatorPkg/Win/Host/WinGopScreen.c new file mode 100644 index 000000000..74011e225 --- /dev/null +++ b/roms/edk2/EmulatorPkg/Win/Host/WinGopScreen.c @@ -0,0 +1,827 @@ +/** @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_UGA_PIXEL *BltBuffer OPTIONAL,
+ IN EFI_UGA_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->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
+};
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