diff options
Diffstat (limited to 'EmulatorPkg/EmuGopDxe/GopScreen.c')
| -rw-r--r-- | EmulatorPkg/EmuGopDxe/GopScreen.c | 176 |
1 files changed, 84 insertions, 92 deletions
diff --git a/EmulatorPkg/EmuGopDxe/GopScreen.c b/EmulatorPkg/EmuGopDxe/GopScreen.c index 05fd236151..41f748bc64 100644 --- a/EmulatorPkg/EmuGopDxe/GopScreen.c +++ b/EmulatorPkg/EmuGopDxe/GopScreen.c @@ -18,17 +18,15 @@ Abstract: #include "Gop.h"
+EFI_EVENT mGopScreenExitBootServicesEvent;
-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 }
- };
-
+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
@@ -59,7 +57,7 @@ EmuGopQuerytMode ( Private = GOP_PRIVATE_DATA_FROM_THIS (This);
- if (Info == NULL || SizeOfInfo == NULL || (UINTN) ModeNumber >= This->Mode->MaxMode) {
+ if ((Info == NULL) || (SizeOfInfo == NULL) || ((UINTN)ModeNumber >= This->Mode->MaxMode)) {
return EFI_INVALID_PARAMETER;
}
@@ -70,17 +68,15 @@ EmuGopQuerytMode ( *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
- (*Info)->Version = 0;
+ (*Info)->Version = 0;
(*Info)->HorizontalResolution = Private->ModeData[ModeNumber].HorizontalResolution;
(*Info)->VerticalResolution = Private->ModeData[ModeNumber].VerticalResolution;
- (*Info)->PixelFormat = PixelBltOnly;
- (*Info)->PixelsPerScanLine = (*Info)->HorizontalResolution;
+ (*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.
@@ -100,10 +96,10 @@ EmuGopSetMode ( IN UINT32 ModeNumber
)
{
- EFI_STATUS Status;
- GOP_PRIVATE_DATA *Private;
- GOP_MODE_DATA *ModeData;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL Fill;
+ EFI_STATUS Status;
+ GOP_PRIVATE_DATA *Private;
+ GOP_MODE_DATA *ModeData;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL Fill;
Private = GOP_PRIVATE_DATA_FROM_THIS (This);
@@ -111,20 +107,20 @@ EmuGopSetMode ( return EFI_UNSUPPORTED;
}
- ModeData = &Private->ModeData[ModeNumber];
- This->Mode->Mode = ModeNumber;
+ 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;
+ 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
- );
+ Private,
+ ModeData->HorizontalResolution,
+ ModeData->VerticalResolution,
+ ModeData->ColorDepth,
+ ModeData->RefreshRate
+ );
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
@@ -132,13 +128,11 @@ EmuGopSetMode ( Private->HardwareNeedsStarting = FALSE;
}
-
- Status = Private->EmuGraphicsWindow->Size(
- Private->EmuGraphicsWindow,
- ModeData->HorizontalResolution,
- ModeData->VerticalResolution
- );
-
+ Status = Private->EmuGraphicsWindow->Size (
+ Private->EmuGraphicsWindow,
+ ModeData->HorizontalResolution,
+ ModeData->VerticalResolution
+ );
Fill.Red = 0;
Fill.Green = 0;
@@ -158,8 +152,6 @@ EmuGopSetMode ( return EFI_SUCCESS;
}
-
-
/**
Blt a rectangle of pixels on the graphics screen. Blt stands for BLock Transfer.
@@ -183,22 +175,22 @@ EmuGopSetMode ( 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
+ 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;
+ GOP_PRIVATE_DATA *Private;
+ EFI_TPL OriginalTPL;
+ EFI_STATUS Status;
+ EMU_GRAPHICS_WINDOWS__BLT_ARGS GopBltArgs;
Private = GOP_PRIVATE_DATA_FROM_THIS (This);
@@ -206,9 +198,10 @@ EmuGopBlt ( return EFI_INVALID_PARAMETER;
}
- if (Width == 0 || Height == 0) {
+ 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,
@@ -236,19 +229,18 @@ EmuGopBlt ( 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
- );
+ 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
//
@@ -270,17 +262,16 @@ EmuGopSupported ( return EFI_SUCCESS;
}
-
EFI_STATUS
EmuGopStartWindow (
- IN GOP_PRIVATE_DATA *Private,
- IN UINT32 HorizontalResolution,
- IN UINT32 VerticalResolution,
- IN UINT32 ColorDepth,
- IN UINT32 RefreshRate
+ IN GOP_PRIVATE_DATA *Private,
+ IN UINT32 HorizontalResolution,
+ IN UINT32 VerticalResolution,
+ IN UINT32 ColorDepth,
+ IN UINT32 RefreshRate
)
{
- EFI_STATUS Status;
+ EFI_STATUS Status;
//
// Register to be notified on exit boot services so we can destroy the window.
@@ -298,27 +289,28 @@ EmuGopStartWindow ( Private->EmuGraphicsWindow = Private->EmuIoThunk->Interface;
// Register callback to support RegisterKeyNotify()
- Status = Private->EmuGraphicsWindow->RegisterKeyNotify (
- Private->EmuGraphicsWindow,
- GopPrivateMakeCallbackFunction,
- GopPrivateBreakCallbackFunction,
- Private
- );
+ Status = Private->EmuGraphicsWindow->RegisterKeyNotify (
+ Private->EmuGraphicsWindow,
+ GopPrivateMakeCallbackFunction,
+ GopPrivateBreakCallbackFunction,
+ Private
+ );
ASSERT_EFI_ERROR (Status);
}
+
return Status;
}
EFI_STATUS
EmuGopConstructor (
- GOP_PRIVATE_DATA *Private
+ GOP_PRIVATE_DATA *Private
)
{
Private->ModeData = mGopModeData;
- Private->GraphicsOutput.QueryMode = EmuGopQuerytMode;
- Private->GraphicsOutput.SetMode = EmuGopSetMode;
- Private->GraphicsOutput.Blt = EmuGopBlt;
+ Private->GraphicsOutput.QueryMode = EmuGopQuerytMode;
+ Private->GraphicsOutput.SetMode = EmuGopSetMode;
+ Private->GraphicsOutput.Blt = EmuGopBlt;
//
// Allocate buffer for Graphics Output Protocol mode information
@@ -327,26 +319,27 @@ EmuGopConstructor ( 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);
+ 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->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->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;
+ Private->HardwareNeedsStarting = TRUE;
+ Private->EmuGraphicsWindow = NULL;
EmuGopInitializeSimpleTextInForWindow (Private);
@@ -355,11 +348,9 @@ EmuGopConstructor ( return EFI_SUCCESS;
}
-
-
EFI_STATUS
EmuGopDestructor (
- GOP_PRIVATE_DATA *Private
+ GOP_PRIVATE_DATA *Private
)
{
if (!Private->HardwareNeedsStarting) {
@@ -374,19 +365,20 @@ EmuGopDestructor ( 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:
|