mirror of https://github.com/acidanthera/audk.git
421 lines
13 KiB
C
421 lines
13 KiB
C
/*++ @file
|
|
|
|
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
|
|
Portions copyright (c) 2010 - 2011, Apple Inc. 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:
|
|
|
|
EmuGopScreen.c
|
|
|
|
Abstract:
|
|
|
|
This file produces the graphics abstration of UGA. It is called by
|
|
EmuGopDriver.c file which deals with the EFI 1.1 driver model.
|
|
This file just does graphics.
|
|
|
|
**/
|
|
|
|
#include "Gop.h"
|
|
|
|
|
|
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 }
|
|
};
|
|
|
|
|
|
/**
|
|
Returns information for an available graphics mode that the graphics device
|
|
and the set of active video output devices supports.
|
|
|
|
@param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
|
|
@param ModeNumber The mode number to return information on.
|
|
@param SizeOfInfo A pointer to the size, in bytes, of the Info buffer.
|
|
@param Info A pointer to callee allocated buffer that returns information about ModeNumber.
|
|
|
|
@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
|
|
EmuGopQuerytMode (
|
|
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 = PixelBltOnly;
|
|
(*Info)->PixelsPerScanLine = (*Info)->HorizontalResolution;
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
Set the video device into the specified mode and clears the visible portions of
|
|
the output display to black.
|
|
|
|
@param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
|
|
@param ModeNumber Abstraction that defines the current video mode.
|
|
|
|
@retval EFI_SUCCESS The graphics mode specified by ModeNumber was selected.
|
|
@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
|
|
EmuGopSetMode (
|
|
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;
|
|
|
|
Private = GOP_PRIVATE_DATA_FROM_THIS (This);
|
|
|
|
if (ModeNumber >= This->Mode->MaxMode) {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
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 = EmuGopStartWindow (
|
|
Private,
|
|
ModeData->HorizontalResolution,
|
|
ModeData->VerticalResolution,
|
|
ModeData->ColorDepth,
|
|
ModeData->RefreshRate
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
|
|
Private->HardwareNeedsStarting = FALSE;
|
|
}
|
|
|
|
|
|
Status = Private->EmuGraphicsWindow->Size(
|
|
Private->EmuGraphicsWindow,
|
|
ModeData->HorizontalResolution,
|
|
ModeData->VerticalResolution
|
|
);
|
|
|
|
|
|
Fill.Red = 0x7f;
|
|
Fill.Green = 0x7F;
|
|
Fill.Blue = 0x7f;
|
|
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 a rectangle of pixels on the graphics screen. Blt stands for BLock Transfer.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param BltBuffer Buffer containing data to blit into video buffer. This
|
|
buffer has a size of Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
|
|
@param BltOperation Operation to perform on BlitBuffer and video memory
|
|
@param SourceX X coordinate of source for the BltBuffer.
|
|
@param SourceY Y coordinate of source for the BltBuffer.
|
|
@param DestinationX X coordinate of destination for the BltBuffer.
|
|
@param DestinationY Y coordinate of destination for the BltBuffer.
|
|
@param Width Width of rectangle in BltBuffer in pixels.
|
|
@param Height Hight of rectangle in BltBuffer in pixels.
|
|
@param Delta OPTIONAL
|
|
|
|
@retval EFI_SUCCESS The Blt operation completed.
|
|
@retval EFI_INVALID_PARAMETER BltOperation is not valid.
|
|
@retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EmuGopBlt (
|
|
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;
|
|
EFI_STATUS Status;
|
|
EMU_GRAPHICS_WINDOWS__BLT_ARGS GopBltArgs;
|
|
|
|
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_UGA_PIXEL);
|
|
}
|
|
|
|
//
|
|
// 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);
|
|
|
|
//
|
|
// Pack UGA Draw protocol parameters to EMU_GRAPHICS_WINDOWS__BLT_ARGS structure to adapt to
|
|
// GopBlt() API of Unix UGA IO protocol.
|
|
//
|
|
GopBltArgs.DestinationX = DestinationX;
|
|
GopBltArgs.DestinationY = DestinationY;
|
|
GopBltArgs.Height = Height;
|
|
GopBltArgs.Width = Width;
|
|
GopBltArgs.SourceX = SourceX;
|
|
GopBltArgs.SourceY = SourceY;
|
|
GopBltArgs.Delta = Delta;
|
|
Status = Private->EmuGraphicsWindow->Blt (
|
|
Private->EmuGraphicsWindow,
|
|
(EFI_UGA_PIXEL *)BltBuffer,
|
|
(EFI_UGA_BLT_OPERATION)BltOperation,
|
|
&GopBltArgs
|
|
);
|
|
|
|
gBS->RestoreTPL (OriginalTPL);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
//
|
|
// Construction and Destruction functions
|
|
//
|
|
|
|
EFI_STATUS
|
|
EmuGopSupported (
|
|
IN EMU_IO_THUNK_PROTOCOL *EmuIoThunk
|
|
)
|
|
{
|
|
//
|
|
// 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 (EmuIoThunk->Protocol, &gEmuGraphicsWindowProtocolGuid)) {
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EmuGopStartWindow (
|
|
IN GOP_PRIVATE_DATA *Private,
|
|
IN UINT32 HorizontalResolution,
|
|
IN UINT32 VerticalResolution,
|
|
IN UINT32 ColorDepth,
|
|
IN UINT32 RefreshRate
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
//
|
|
// Register to be notified on exit boot services so we can destroy the window.
|
|
//
|
|
Status = gBS->CreateEvent (
|
|
EVT_SIGNAL_EXIT_BOOT_SERVICES,
|
|
TPL_CALLBACK,
|
|
ShutdownGopEvent,
|
|
Private,
|
|
&mGopScreenExitBootServicesEvent
|
|
);
|
|
|
|
Status = Private->EmuIoThunk->Open (Private->EmuIoThunk);
|
|
if (!EFI_ERROR (Status)) {
|
|
Private->EmuGraphicsWindow = Private->EmuIoThunk->Interface;
|
|
|
|
// Register callback to support RegisterKeyNotify()
|
|
Status = Private->EmuGraphicsWindow->RegisterKeyNotify (
|
|
Private->EmuGraphicsWindow,
|
|
GopPrivateMakeCallbackFunction,
|
|
GopPrivateBreakCallbackFunction,
|
|
Private
|
|
);
|
|
ASSERT_EFI_ERROR (Status);
|
|
}
|
|
return Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EmuGopConstructor (
|
|
GOP_PRIVATE_DATA *Private
|
|
)
|
|
{
|
|
Private->ModeData = mGopModeData;
|
|
|
|
Private->GraphicsOutput.QueryMode = EmuGopQuerytMode;
|
|
Private->GraphicsOutput.SetMode = EmuGopSetMode;
|
|
Private->GraphicsOutput.Blt = EmuGopBlt;
|
|
|
|
//
|
|
// 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->EmuGraphicsWindow = NULL;
|
|
|
|
EmuGopInitializeSimpleTextInForWindow (Private);
|
|
|
|
EmuGopInitializeSimplePointerForWindow (Private);
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
|
|
EFI_STATUS
|
|
EmuGopDestructor (
|
|
GOP_PRIVATE_DATA *Private
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = EFI_SUCCESS;
|
|
if (!Private->HardwareNeedsStarting) {
|
|
Status = Private->EmuIoThunk->Close (Private->EmuIoThunk);
|
|
Private->EmuGraphicsWindow = NULL;
|
|
}
|
|
|
|
//
|
|
// 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;
|
|
}
|
|
|
|
|
|
VOID
|
|
EFIAPI
|
|
ShutdownGopEvent (
|
|
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 EmuGopDestructor().
|
|
|
|
Arguments:
|
|
|
|
Event - not used
|
|
Context - pointer to the Private structure.
|
|
|
|
Returns:
|
|
|
|
None.
|
|
|
|
**/
|
|
{
|
|
EFI_STATUS Status;
|
|
Status = EmuGopDestructor (Context);
|
|
}
|
|
|