diff options
Diffstat (limited to 'EdkNt32Pkg/Dxe/WinNtThunk/Bus/Uga/WinNtUgaScreen.c')
| -rw-r--r-- | EdkNt32Pkg/Dxe/WinNtThunk/Bus/Uga/WinNtUgaScreen.c | 990 |
1 files changed, 0 insertions, 990 deletions
diff --git a/EdkNt32Pkg/Dxe/WinNtThunk/Bus/Uga/WinNtUgaScreen.c b/EdkNt32Pkg/Dxe/WinNtThunk/Bus/Uga/WinNtUgaScreen.c deleted file mode 100644 index ebaf0b3a80..0000000000 --- a/EdkNt32Pkg/Dxe/WinNtThunk/Bus/Uga/WinNtUgaScreen.c +++ /dev/null @@ -1,990 +0,0 @@ -/*++
-
-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:
-
- WinNtUgaScreen.c
-
-Abstract:
-
- This file produces the graphics abstration of UGA. It is called by
- WinNtUgaDriver.c file which deals with the EFI 1.1 driver model.
- This file just does graphics.
-
---*/
-
-#include "WinNtUga.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 mUgaScreenExitBootServicesEvent;
-
-EFI_STATUS
-WinNtUgaStartWindow (
- IN UGA_PRIVATE_DATA *Private,
- IN UINT32 HorizontalResolution,
- IN UINT32 VerticalResolution,
- IN UINT32 ColorDepth,
- IN UINT32 RefreshRate
- );
-
-STATIC
-VOID
-EFIAPI
-KillNtUgaThread (
- IN EFI_EVENT Event,
- IN VOID *Context
- );
-
-//
-// UGA Protocol Member Functions
-//
-
-EFI_STATUS
-EFIAPI
-WinNtUgaGetMode (
- EFI_UGA_DRAW_PROTOCOL *This,
- UINT32 *HorizontalResolution,
- UINT32 *VerticalResolution,
- UINT32 *ColorDepth,
- UINT32 *RefreshRate
- )
-/*++
-
- Routine Description:
- Return the current video mode information.
-
- Arguments:
- This - Protocol instance pointer.
- HorizontalResolution - Current video horizontal resolution in pixels
- VerticalResolution - Current video Vertical resolution in pixels
- ColorDepth - Current video color depth in bits per pixel
- RefreshRate - Current video refresh rate in Hz.
-
- Returns:
- EFI_SUCCESS - Mode information returned.
- EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
- EFI_INVALID_PARAMETER - One of the input args was NULL.
-
---*/
-// TODO: ADD IN/OUT description here
-{
- UGA_PRIVATE_DATA *Private;
-
- Private = UGA_DRAW_PRIVATE_DATA_FROM_THIS (This);
-
- if (Private->HardwareNeedsStarting) {
- return EFI_NOT_STARTED;
- }
-
- if ((HorizontalResolution == NULL) ||
- (VerticalResolution == NULL) ||
- (ColorDepth == NULL) ||
- (RefreshRate == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- *HorizontalResolution = Private->HorizontalResolution;
- *VerticalResolution = Private->VerticalResolution;
- *ColorDepth = Private->ColorDepth;
- *RefreshRate = Private->RefreshRate;
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtUgaSetMode (
- EFI_UGA_DRAW_PROTOCOL *This,
- UINT32 HorizontalResolution,
- UINT32 VerticalResolution,
- UINT32 ColorDepth,
- UINT32 RefreshRate
- )
-/*++
-
- Routine Description:
- Return the current video mode information.
-
- Arguments:
- This - Protocol instance pointer.
- HorizontalResolution - Current video horizontal resolution in pixels
- VerticalResolution - Current video Vertical resolution in pixels
- ColorDepth - Current video color depth in bits per pixel
- RefreshRate - Current video refresh rate in Hz.
-
- Returns:
- EFI_SUCCESS - Mode information returned.
- EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
- EFI_INVALID_PARAMETER - One of the input args was NULL.
-
---*/
-// TODO: EFI_DEVICE_ERROR - add return value to function comment
-// TODO: EFI_DEVICE_ERROR - add return value to function comment
-// TODO: ADD IN/OUT description here
-{
- EFI_STATUS Status;
- UGA_PRIVATE_DATA *Private;
- EFI_UGA_PIXEL Fill;
- EFI_UGA_PIXEL *NewFillLine;
- RECT Rect;
- UINTN Size;
- UINTN Width;
- UINTN Height;
-
- Private = UGA_DRAW_PRIVATE_DATA_FROM_THIS (This);
-
- if (Private->HardwareNeedsStarting) {
- Status = WinNtUgaStartWindow (
- Private,
- HorizontalResolution,
- VerticalResolution,
- ColorDepth,
- 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 EFI spec chepter 10.5-EFI_UGA_DRAW_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 = HorizontalResolution * 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 = HorizontalResolution;
- Private->VirtualScreenInfo->bV4Height = 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 = HorizontalResolution;
- Rect.bottom = 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_UGA_PIXEL) * HorizontalResolution);
- if (NewFillLine == NULL) {
- return EFI_DEVICE_ERROR;
- }
-
- if (Private->FillLine != NULL) {
- FreePool (Private->FillLine);
- }
-
- Private->FillLine = NewFillLine;
-
- Private->HorizontalResolution = HorizontalResolution;
- Private->VerticalResolution = VerticalResolution;
- Private->ColorDepth = ColorDepth;
- Private->RefreshRate = RefreshRate;
-
- Fill.Red = 0x00;
- Fill.Green = 0x00;
- Fill.Blue = 0x00;
- This->Blt (
- This,
- &Fill,
- EfiUgaVideoFill,
- 0,
- 0,
- 0,
- 0,
- HorizontalResolution,
- VerticalResolution,
- HorizontalResolution * sizeof (EFI_UGA_PIXEL)
- );
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-WinNtUgaBlt (
- IN EFI_UGA_DRAW_PROTOCOL *This,
- IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL
- IN EFI_UGA_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
- )
-/*++
-
- Routine Description:
- 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.
-
- Arguments:
- This - Protocol instance pointer.
- X - X location on graphics screen.
- Y - Y location on the graphics screen.
- Width - Width of BltBuffer.
- Height - Hight of BltBuffer
- BltOperation - Operation to perform on BltBuffer and video memory
- BltBuffer - Buffer containing data to blt into video buffer. This
- buffer has a size of Width*Height*sizeof(EFI_UGA_PIXEL)
- SourceX - If the BltOperation is a EfiCopyBlt this is the source
- of the copy. For other BLT operations this argument is not
- used.
- SourceX - If the BltOperation is a EfiCopyBlt this is the source
- of the copy. For other BLT operations this argument is not
- used.
-
- Returns:
- EFI_SUCCESS - The palette is updated with PaletteArray.
- EFI_INVALID_PARAMETER - BltOperation is not valid.
- 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
-{
- UGA_PRIVATE_DATA *Private;
- EFI_TPL OriginalTPL;
- UINTN DstY;
- UINTN SrcY;
- RGBQUAD *VScreen;
- RGBQUAD *VScreenSrc;
- EFI_UGA_PIXEL *Blt;
- UINTN Index;
- RECT Rect;
- EFI_UGA_PIXEL *FillPixel;
-
- Private = UGA_DRAW_PRIVATE_DATA_FROM_THIS (This);
-
- if ((BltOperation < 0) || (BltOperation >= EfiUgaBltMax)) {
- 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_UGA_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.
- //
-
- if (BltOperation == EfiUgaVideoToBltBuffer) {
-
- //
- // Video to BltBuffer: Source is Video, destination is BltBuffer
- //
- if (SourceY + Height > Private->VerticalResolution) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (SourceX + Width > Private->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_UGA_PIXEL *) ((UINT8 *) BltBuffer + (DstY * Delta) + DestinationX * sizeof (EFI_UGA_PIXEL));
- VScreen = &Private->VirtualScreen[(Private->VerticalResolution - SrcY - 1) * Private->HorizontalResolution + SourceX];
- CopyMem (Blt, VScreen, sizeof (EFI_UGA_PIXEL) * Width);
- }
- } else {
- //
- // BltBuffer to Video: Source is BltBuffer, destination is Video
- //
- if (DestinationY + Height > Private->VerticalResolution) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (DestinationX + Width > Private->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 == EfiUgaVideoFill) {
- 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[(Private->VerticalResolution - DstY - 1) * Private->HorizontalResolution + DestinationX];
- switch (BltOperation) {
- case EfiUgaBltBufferToVideo:
- Blt = (EFI_UGA_PIXEL *) ((UINT8 *) BltBuffer + (SrcY * Delta) + SourceX * sizeof (EFI_UGA_PIXEL));
- CopyMem (VScreen, Blt, Width * sizeof (EFI_UGA_PIXEL));
- break;
-
- case EfiUgaVideoToVideo:
- VScreenSrc = &Private->VirtualScreen[(Private->VerticalResolution - SrcY - 1) * Private->HorizontalResolution + SourceX];
- CopyMem (VScreen, VScreenSrc, Width * sizeof (EFI_UGA_PIXEL));
- break;
-
- case EfiUgaVideoFill:
- CopyMem (VScreen, Private->FillLine, Width * sizeof (EFI_UGA_PIXEL));
- break;
- }
- }
- }
-
- if (BltOperation != EfiUgaVideoToBltBuffer) {
- //
- // 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
-//
-
-EFI_STATUS
-WinNtUgaSupported (
- IN EFI_WIN_NT_IO_PROTOCOL *WinNtIo
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- 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
-{
- //
- // 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, &gEfiWinNtUgaGuid)) {
- return EFI_UNSUPPORTED;
- }
-
- return EFI_SUCCESS;
-}
-
-LRESULT
-CALLBACK
-WinNtUgaThreadWindowProc (
- IN HWND hwnd,
- IN UINT iMsg,
- IN WPARAM wParam,
- IN LPARAM lParam
- )
-/*++
-
-Routine Description:
- Win32 Windows event handler.
-
-Arguments:
- See Win32 Book
-
-Returns:
- 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
-{
- UGA_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 Uga 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->HorizontalResolution * Private->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->HorizontalResolution;
- Private->VirtualScreenInfo->bV4Height = Private->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->HorizontalResolution, // Width
- Private->VerticalResolution, // Height
- 0, // Source X
- 0, // Source Y
- 0, // DIB Start Scan Line
- Private->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;
- UgaPrivateAddQ (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;
- UgaPrivateAddQ (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;
- UgaPrivateAddQ (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);
-}
-
-DWORD
-WINAPI
-WinNtUgaThreadWinMain (
- LPVOID lpParameter
- )
-/*++
-
-Routine Description:
-
- This thread simulates the end of WinMain () aplication. Each Winow nededs
- to process it's events. The messages are dispatched to
- WinNtUgaThreadWindowProc ().
-
- Be very careful sine WinNtUgaThreadWinMain () and WinNtUgaThreadWindowProc ()
- are running in a seperate thread. We have to do this to process the events.
-
-Arguments:
-
- lpParameter - Handle of window to manage.
-
-Returns:
-
- if a WM_QUIT message is returned exit.
-
---*/
-{
- MSG Message;
- UGA_PRIVATE_DATA *Private;
- ATOM Atom;
- RECT Rect;
-
- Private = (UGA_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 = WinNtUgaThreadWindowProc;
- 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_UGA_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_UGA_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->VerticalResolution;
- Rect.left = 0;
- Rect.right = Private->HorizontalResolution;
-
- Private->WinNtThunk->AdjustWindowRect (&Rect, WS_OVERLAPPEDWINDOW, 0);
-
- Private->WindowHandle = Private->WinNtThunk->CreateWindowEx (
- 0,
- WIN_NT_UGA_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;
-}
-
-EFI_STATUS
-WinNtUgaStartWindow (
- IN UGA_PRIVATE_DATA *Private,
- IN UINT32 HorizontalResolution,
- IN UINT32 VerticalResolution,
- IN UINT32 ColorDepth,
- IN UINT32 RefreshRate
- )
-/*++
-
-Routine Description:
-
- TODO: Add function description
-
-Arguments:
-
- Private - TODO: add argument description
- HorizontalResolution - TODO: add argument description
- VerticalResolution - TODO: add argument description
- ColorDepth - TODO: add argument description
- RefreshRate - TODO: add argument description
-
-Returns:
-
- TODO: add return values
-
---*/
-{
- 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++;
-
- Private->HorizontalResolution = HorizontalResolution;
- Private->VerticalResolution = VerticalResolution;
-
- //
- // Register to be notified on exit boot services so we can destroy the window.
- //
- Status = gBS->CreateEvent (
- EVT_SIGNAL_EXIT_BOOT_SERVICES,
- TPL_CALLBACK,
- KillNtUgaThread,
- Private,
- &mUgaScreenExitBootServicesEvent
- );
-
- Private->ThreadInited = Private->WinNtThunk->CreateSemaphore (NULL, 0, 1, NULL);
- Private->ThreadHandle = Private->WinNtThunk->CreateThread (
- NULL,
- 0,
- WinNtUgaThreadWinMain,
- (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;
-}
-
-EFI_STATUS
-WinNtUgaConstructor (
- UGA_PRIVATE_DATA *Private
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Private - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
-
- Private->UgaDraw.GetMode = WinNtUgaGetMode;
- Private->UgaDraw.SetMode = WinNtUgaSetMode;
- Private->UgaDraw.Blt = WinNtUgaBlt;
-
- Private->HardwareNeedsStarting = TRUE;
- Private->FillLine = NULL;
-
- WinNtUgaInitializeSimpleTextInForWindow (Private);
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-WinNtUgaDestructor (
- UGA_PRIVATE_DATA *Private
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: Private - add argument and description to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- UINT32 UnregisterReturn;
-
- if (!Private->HardwareNeedsStarting) {
- //
- // BugBug: Shutdown Uga 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
- );
- }
-
- WinNtUgaDestroySimpleTextInForWindow (Private);
- }
-
- return EFI_SUCCESS;
-}
-
-STATIC
-VOID
-EFIAPI
-KillNtUgaThread (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-/*++
-
-Routine Description:
-
- This is the UGA screen's callback notification function for exit-boot-services.
- All we do here is call WinNtUgaDestructor().
-
-Arguments:
-
- Event - not used
- Context - pointer to the Private structure.
-
-Returns:
-
- None.
-
---*/
-{
- EFI_STATUS Status;
- Status = WinNtUgaDestructor (Context);
-}
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