\r
**/\r
\r
-\r
#include "ConSplitter.h"\r
\r
\r
\r
/**\r
Return the current video mode information. Also returns info about existence\r
- of Graphics Output devices or UGA Draw devices in system, and if the Std In device is locked. All the\r
- arguments are optional and only returned if a non NULL pointer is passed in.\r
+ of Graphics Output devices or UGA Draw devices in system, and whether the Std\r
+ In device is locked. GopUgaExists and StdInLocked parameters are optional, and\r
+ only returned if a non NULL pointer is passed in.\r
\r
@param This Protocol instance pointer.\r
- @param Mode Are we in text of grahics mode.\r
- @param GopUgaExists TRUE if Console Spliter has found a GOP or UGA device\r
+ @param Mode Current video mode.\r
+ @param GopUgaExists TRUE if GOP Spliter has found a GOP/UGA device\r
@param StdInLocked TRUE if StdIn device is keyboard locked\r
\r
- @retval EFI_SUCCESS Mode information returned.\r
- @retval EFI_INVALID_PARAMETER Invalid parameters.\r
+ @retval EFI_SUCCESS Video mode information is returned.\r
+ @retval EFI_INVALID_PARAMETER Invalid parameters if Mode == NULL.\r
\r
**/\r
EFI_STATUS\r
\r
\r
/**\r
- Set the current mode to either text or graphics. Graphics is\r
+ Set the current video mode to either text or graphics. Graphics is\r
for Quiet Boot.\r
\r
- @param This Protocol instance pointer.\r
- @param Mode Mode to set the\r
+ @param This Console Control Protocol instance pointer.\r
+ @param Mode Video mode is to be set.\r
\r
- @retval EFI_SUCCESS Mode information returned.\r
- @retval EFI_INVALID_PARAMETER Invalid parameter.\r
- @retval EFI_UNSUPPORTED Operation unsupported.\r
+ @retval EFI_SUCCESS Mode is set successfully.\r
+ @retval EFI_INVALID_PARAMETER Mode is not the valid mode value.\r
+ @retval EFI_UNSUPPORTED Mode is unsupported by console device.\r
\r
**/\r
EFI_STATUS\r
\r
\r
/**\r
- Return the current video mode information.\r
+ Returns information for an available graphics mode that the graphics device\r
+ and the set of active video output devices supports.\r
\r
- @param This Protocol instance pointer.\r
- @param ModeNumber The mode number to return information on.\r
- @param SizeOfInfo A pointer to the size, in bytes, of the Info\r
- buffer.\r
- @param Info Caller allocated buffer that returns information\r
- about ModeNumber.\r
+ @param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.\r
+ @param ModeNumber The mode number to return information on.\r
+ @param SizeOfInfo A pointer to the size, in bytes, of the Info buffer.\r
+ @param Info A pointer to callee allocated buffer that returns information about ModeNumber.\r
\r
- @retval EFI_SUCCESS Mode information returned.\r
- @retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.\r
- @retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the\r
- video mode.\r
- @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r
- @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r
+ @retval EFI_SUCCESS Mode information returned.\r
+ @retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.\r
+ @retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the video mode.\r
+ @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r
+ @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r
+ @retval EFI_OUT_OF_RESOURCES No resource available.\r
\r
**/\r
EFI_STATUS\r
}\r
\r
*Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));\r
-\r
if (*Info == NULL) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
\r
/**\r
- Graphics output protocol interface to set video mode.\r
+ Set the video device into the specified mode and clears the visible portions of\r
+ the output display to black.\r
\r
- @param This Protocol instance pointer.\r
- @param ModeNumber The mode number to be set.\r
+ @param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.\r
+ @param ModeNumber Abstraction that defines the current video mode.\r
\r
- @retval EFI_SUCCESS Graphics mode was changed.\r
- @retval EFI_DEVICE_ERROR The device had an error and could not complete\r
- the request.\r
- @retval EFI_UNSUPPORTED ModeNumber is not supported by this device.\r
+ @retval EFI_SUCCESS The graphics mode specified by ModeNumber was selected.\r
+ @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.\r
+ @retval EFI_UNSUPPORTED ModeNumber is not supported by this device.\r
+ @retval EFI_OUT_OF_RESOURCES No resource available.\r
\r
**/\r
EFI_STATUS\r
if (EFI_ERROR (Status)) {\r
ReturnStatus = Status;\r
}\r
- }\r
-\r
- if (EFI_ERROR (ReturnStatus) && FeaturePcdGet (PcdUgaConsumeSupport)) {\r
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
UgaDraw = Private->TextOutList[Index].UgaDraw;\r
if (UgaDraw != NULL) {\r
Status = UgaDraw->SetMode (\r
@param DestinationX X coordinate of destination for the BltBuffer.\r
@param DestinationY Y coordinate of destination for the BltBuffer.\r
@param Width Width of rectangle in BltBuffer in pixels.\r
- @param Height Hight of rectangle in BltBuffer in pixels. \r
+ @param Height Hight of rectangle in BltBuffer in pixels.\r
@param Delta OPTIONAL.\r
\r
@retval EFI_SUCCESS The Blt operation completed.\r
@param DestinationX X coordinate of destination for the BltBuffer.\r
@param DestinationY Y coordinate of destination for the BltBuffer.\r
@param Width Width of rectangle in BltBuffer in pixels.\r
- @param Height Hight of rectangle in BltBuffer in pixels. \r
+ @param Height Hight of rectangle in BltBuffer in pixels.\r
@param Delta OPTIONAL.\r
\r
@retval EFI_SUCCESS The Blt operation completed.\r
}\r
\r
/**\r
- Write data from the buffer to video display based on Graphics Output setting. \r
+ Write data from the buffer to video display based on Graphics Output setting.\r
\r
@param Private Consplitter Text Out pointer.\r
@param GraphicsOutput Graphics Output protocol pointer.\r
@retval EFI_SUCCESS The Blt operation completed.\r
@retval EFI_INVALID_PARAMETER BltOperation is not valid.\r
@retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.\r
- \r
+\r
\r
**/\r
EFI_STATUS\r
Private->GraphicsOutput.Mode->Info->VerticalResolution,\r
0\r
);\r
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
+ } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r
return UgaDraw->Blt (\r
UgaDraw,\r
(EFI_UGA_PIXEL *) Private->GraphicsOutputBlt,\r
}\r
}\r
\r
-\r
/**\r
Return the current video mode information.\r
\r
- @param This Protocol instance pointer.\r
- @param HorizontalResolution Current video horizontal resolution in pixels\r
- @param VerticalResolution Current video vertical resolution in pixels\r
- @param ColorDepth Current video color depth in bits per pixel\r
- @param RefreshRate Current video refresh rate in Hz.\r
+ @param This The EFI_UGA_DRAW_PROTOCOL instance.\r
+ @param HorizontalResolution The size of video screen in pixels in the X dimension.\r
+ @param VerticalResolution The size of video screen in pixels in the Y dimension.\r
+ @param ColorDepth Number of bits per pixel, currently defined to be 32.\r
+ @param RefreshRate The refresh rate of the monitor in Hertz.\r
\r
- @retval EFI_SUCCESS Mode information returned.\r
- @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r
- @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r
+ @retval EFI_SUCCESS Mode information returned.\r
+ @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r
+ @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r
\r
**/\r
EFI_STATUS\r
TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;\r
\r
if ((HorizontalResolution == NULL) ||\r
- (VerticalResolution == NULL) ||\r
- (RefreshRate == NULL) ||\r
- (ColorDepth == NULL)) {\r
+ (VerticalResolution == NULL) ||\r
+ (RefreshRate == NULL) ||\r
+ (ColorDepth == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
//\r
\r
\r
/**\r
- Return the current video mode information.\r
+ Set the current video mode information.\r
\r
- @param This Protocol instance pointer.\r
- @param HorizontalResolution Current video horizontal resolution in pixels\r
- @param VerticalResolution Current video vertical resolution in pixels\r
- @param ColorDepth Current video color depth in bits per pixel\r
- @param RefreshRate Current video refresh rate in Hz.\r
+ @param This The EFI_UGA_DRAW_PROTOCOL instance.\r
+ @param HorizontalResolution The size of video screen in pixels in the X dimension.\r
+ @param VerticalResolution The size of video screen in pixels in the Y dimension.\r
+ @param ColorDepth Number of bits per pixel, currently defined to be 32.\r
+ @param RefreshRate The refresh rate of the monitor in Hertz.\r
\r
- @retval EFI_SUCCESS Mode information returned.\r
- @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r
- @retval EFI_OUT_OF_RESOURCES Out of resources.\r
+ @retval EFI_SUCCESS Mode information returned.\r
+ @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r
+ @retval EFI_OUT_OF_RESOURCES Out of resources.\r
\r
**/\r
EFI_STATUS\r
\r
ReturnStatus = EFI_UNSUPPORTED;\r
\r
- if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
- UgaDraw = Private->TextOutList[Index].UgaDraw;\r
- if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r
- Status = UgaDraw->SetMode (\r
- UgaDraw,\r
- HorizontalResolution,\r
- VerticalResolution,\r
- ColorDepth,\r
- RefreshRate\r
- );\r
+ GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r
+ if (GraphicsOutput != NULL) {\r
+ //\r
+ // Find corresponding ModeNumber of this GraphicsOutput instance\r
+ //\r
+ for (NumberIndex = 0; NumberIndex < GraphicsOutput->Mode->MaxMode; NumberIndex ++) {\r
+ Status = GraphicsOutput->QueryMode (GraphicsOutput, (UINT32) NumberIndex, &SizeOfInfo, &Info);\r
if (EFI_ERROR (Status)) {\r
- ReturnStatus = Status;\r
+ return Status;\r
}\r
- }\r
- }\r
-\r
- if (EFI_ERROR (ReturnStatus)) {\r
- GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;\r
- if (GraphicsOutput != NULL) {\r
- //\r
- // Find corresponding ModeNumber of this GraphicsOutput instance\r
- //\r
- for (NumberIndex = 0; NumberIndex < GraphicsOutput->Mode->MaxMode; NumberIndex ++) {\r
- Status = GraphicsOutput->QueryMode (GraphicsOutput, (UINT32) NumberIndex, &SizeOfInfo, &Info);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- if ((Info->HorizontalResolution == HorizontalResolution) && (Info->VerticalResolution == VerticalResolution)) {\r
- FreePool (Info);\r
- break;\r
- }\r
+ if ((Info->HorizontalResolution == HorizontalResolution) && (Info->VerticalResolution == VerticalResolution)) {\r
FreePool (Info);\r
+ break;\r
}\r
+ FreePool (Info);\r
+ }\r
\r
- Status = GraphicsOutput->SetMode (GraphicsOutput, (UINT32) NumberIndex);\r
+ Status = GraphicsOutput->SetMode (GraphicsOutput, (UINT32) NumberIndex);\r
+ if (EFI_ERROR (Status)) {\r
+ ReturnStatus = Status;\r
+ }\r
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)){\r
+ UgaDraw = Private->TextOutList[Index].UgaDraw;\r
+ if (UgaDraw != NULL) {\r
+ Status = UgaDraw->SetMode (\r
+ UgaDraw,\r
+ HorizontalResolution,\r
+ VerticalResolution,\r
+ ColorDepth,\r
+ RefreshRate\r
+ );\r
if (EFI_ERROR (Status)) {\r
ReturnStatus = Status;\r
}\r
}\r
\r
/**\r
- The following table defines actions for BltOperations.\r
+ Blt a rectangle of pixels on the graphics screen.\r
\r
- EfiBltVideoFill - Write data from the BltBuffer pixel (SourceX, SourceY)\r
- directly to every pixel of the video display rectangle\r
- (DestinationX, DestinationY)\r
- (DestinationX + Width, DestinationY + Height).\r
- Only one pixel will be used from the BltBuffer. Delta is NOT used.\r
- EfiBltVideoToBltBuffer - Read data from the video display rectangle\r
- (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r
- the BltBuffer rectangle (DestinationX, DestinationY )\r
- (DestinationX + Width, DestinationY + Height). If DestinationX or\r
- DestinationY is not zero then Delta must be set to the length in bytes\r
- of a row in the BltBuffer.\r
- EfiBltBufferToVideo - Write data from the BltBuffer rectangle\r
- (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r
- video display rectangle (DestinationX, DestinationY)\r
- (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r
- not zero then Delta must be set to the length in bytes of a row in the\r
- BltBuffer.\r
- EfiBltVideoToVideo - Copy from the video display rectangle\r
- (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r
- to the video display rectangle (DestinationX, DestinationY)\r
- (DestinationX + Width, DestinationY + Height).\r
- The BltBuffer and Delta are not used in this mode.\r
+ The following table defines actions for BltOperations.\r
\r
- @param Private Protocol instance pointer.\r
+ EfiUgaVideoFill:\r
+ Write data from the BltBuffer pixel (SourceX, SourceY)\r
+ directly to every pixel of the video display rectangle\r
+ (DestinationX, DestinationY)\r
+ (DestinationX + Width, DestinationY + Height).\r
+ Only one pixel will be used from the BltBuffer. Delta is NOT used.\r
+ EfiUgaVideoToBltBuffer:\r
+ Read data from the video display rectangle\r
+ (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r
+ the BltBuffer rectangle (DestinationX, DestinationY )\r
+ (DestinationX + Width, DestinationY + Height). If DestinationX or\r
+ DestinationY is not zero then Delta must be set to the length in bytes\r
+ of a row in the BltBuffer.\r
+ EfiUgaBltBufferToVideo:\r
+ Write data from the BltBuffer rectangle\r
+ (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r
+ video display rectangle (DestinationX, DestinationY)\r
+ (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r
+ not zero then Delta must be set to the length in bytes of a row in the\r
+ BltBuffer.\r
+ EfiUgaVideoToVideo:\r
+ Copy from the video display rectangle\r
+ (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r
+ to the video display rectangle (DestinationX, DestinationY)\r
+ (DestinationX + Width, DestinationY + Height).\r
+ The BltBuffer and Delta are not used in this mode.\r
+\r
+ @param Private Text Out Splitter pointer.\r
@param BltBuffer Buffer containing data to blit into video buffer.\r
This buffer has a size of\r
Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r
@param DestinationX X coordinate of destination for the BltBuffer.\r
@param DestinationY Y coordinate of destination for the BltBuffer.\r
@param Width Width of rectangle in BltBuffer in pixels.\r
- @param Height Hight of rectangle in BltBuffer in pixels. \r
+ @param Height Hight of rectangle in BltBuffer in pixels.\r
@param Delta OPTIONAL.\r
\r
@retval EFI_SUCCESS The Blt operation completed.\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
- The following table defines actions for BltOperations.\r
-\r
- EfiUgaVideoFill - Write data from the BltBuffer pixel (SourceX, SourceY)\r
- directly to every pixel of the video display rectangle\r
- (DestinationX, DestinationY)\r
- (DestinationX + Width, DestinationY + Height).\r
- Only one pixel will be used from the BltBuffer. Delta is NOT used.\r
- EfiUgaVideoToBltBuffer - Read data from the video display rectangle\r
- (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r
- the BltBuffer rectangle (DestinationX, DestinationY )\r
- (DestinationX + Width, DestinationY + Height). If DestinationX or\r
- DestinationY is not zero then Delta must be set to the length in bytes\r
- of a row in the BltBuffer.\r
- EfiUgaBltBufferToVideo - Write data from the BltBuffer rectangle\r
- (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r
- video display rectangle (DestinationX, DestinationY)\r
- (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r
- not zero then Delta must be set to the length in bytes of a row in the\r
- BltBuffer.\r
- EfiUgaVideoToVideo - Copy from the video display rectangle\r
- (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r
- to the video display rectangle (DestinationX, DestinationY)\r
- (DestinationX + Width, DestinationY + Height).\r
- The BltBuffer and Delta are not used in this mode.\r
+ Blt a rectangle of pixels on the graphics screen.\r
\r
- @param This Protocol instance pointer.\r
- @param BltBuffer Buffer containing data to blit into video buffer.\r
- This buffer has a size of\r
- Width*Height*sizeof(EFI_UGA_PIXEL)\r
- @param BltOperation Operation to perform on BlitBuffer and video\r
- memory\r
- @param SourceX X coordinate of source for the BltBuffer.\r
- @param SourceY Y coordinate of source for the BltBuffer.\r
- @param DestinationX X coordinate of destination for the BltBuffer.\r
- @param DestinationY Y coordinate of destination for the BltBuffer.\r
- @param Width Width of rectangle in BltBuffer in pixels.\r
- @param Height Hight of rectangle in BltBuffer in pixels.\r
- @param Delta OPTIONAL.\r
+ The following table defines actions for BltOperations.\r
\r
- @retval EFI_SUCCESS The Blt operation completed.\r
- @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r
- @retval EFI_DEVICE_ERROR A hardware error occured writting to the video\r
- buffer.\r
+ EfiUgaVideoFill:\r
+ Write data from the BltBuffer pixel (SourceX, SourceY)\r
+ directly to every pixel of the video display rectangle\r
+ (DestinationX, DestinationY)\r
+ (DestinationX + Width, DestinationY + Height).\r
+ Only one pixel will be used from the BltBuffer. Delta is NOT used.\r
+ EfiUgaVideoToBltBuffer:\r
+ Read data from the video display rectangle\r
+ (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in\r
+ the BltBuffer rectangle (DestinationX, DestinationY )\r
+ (DestinationX + Width, DestinationY + Height). If DestinationX or\r
+ DestinationY is not zero then Delta must be set to the length in bytes\r
+ of a row in the BltBuffer.\r
+ EfiUgaBltBufferToVideo:\r
+ Write data from the BltBuffer rectangle\r
+ (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the\r
+ video display rectangle (DestinationX, DestinationY)\r
+ (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is\r
+ not zero then Delta must be set to the length in bytes of a row in the\r
+ BltBuffer.\r
+ EfiUgaVideoToVideo:\r
+ Copy from the video display rectangle\r
+ (SourceX, SourceY) (SourceX + Width, SourceY + Height) .\r
+ to the video display rectangle (DestinationX, DestinationY)\r
+ (DestinationX + Width, DestinationY + Height).\r
+ The BltBuffer and Delta are not used in this mode.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param BltBuffer Buffer containing data to blit into video buffer. This\r
+ buffer has a size of Width*Height*sizeof(EFI_UGA_PIXEL)\r
+ @param BltOperation Operation to perform on BlitBuffer and video memory\r
+ @param SourceX X coordinate of source for the BltBuffer.\r
+ @param SourceY Y coordinate of source for the BltBuffer.\r
+ @param DestinationX X coordinate of destination for the BltBuffer.\r
+ @param DestinationY Y coordinate of destination for the BltBuffer.\r
+ @param Width Width of rectangle in BltBuffer in pixels.\r
+ @param Height Hight of rectangle in BltBuffer in pixels.\r
+ @param Delta OPTIONAL\r
+\r
+ @retval EFI_SUCCESS The Blt operation completed.\r
+ @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r
+ @retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.\r
\r
**/\r
EFI_STATUS\r
}\r
\r
/**\r
- Write data from the buffer to video display based on UGA Draw setting. \r
+ Write data from the buffer to video display based on UGA Draw setting.\r
\r
@param Private Consplitter Text Out pointer.\r
@param GraphicsOutput Graphics Output protocol pointer.\r
@retval EFI_SUCCESS The Blt operation completed.\r
@retval EFI_INVALID_PARAMETER BltOperation is not valid.\r
@retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.\r
- \r
+\r
**/\r
EFI_STATUS\r
DevNullUgaSync (\r
IN EFI_UGA_DRAW_PROTOCOL *UgaDraw\r
)\r
{\r
- if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r
- return UgaDraw->Blt (\r
- UgaDraw,\r
- Private->UgaBlt,\r
- EfiUgaBltBufferToVideo,\r
+ if (GraphicsOutput != NULL) {\r
+ return GraphicsOutput->Blt (\r
+ GraphicsOutput,\r
+ (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) Private->UgaBlt,\r
+ EfiBltBufferToVideo,\r
0,\r
0,\r
0,\r
0,\r
Private->UgaHorizontalResolution,\r
Private->UgaVerticalResolution,\r
- Private->UgaHorizontalResolution * sizeof (EFI_UGA_PIXEL)\r
+ 0\r
);\r
- } else if (GraphicsOutput != NULL) {\r
- return GraphicsOutput->Blt (\r
- GraphicsOutput,\r
- (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) Private->UgaBlt,\r
- EfiBltBufferToVideo,\r
+ } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {\r
+ return UgaDraw->Blt (\r
+ UgaDraw,\r
+ Private->UgaBlt,\r
+ EfiUgaBltBufferToVideo,\r
0,\r
0,\r
0,\r
0,\r
Private->UgaHorizontalResolution,\r
Private->UgaVerticalResolution,\r
- 0\r
+ Private->UgaHorizontalResolution * sizeof (EFI_UGA_PIXEL)\r
);\r
} else {\r
return EFI_UNSUPPORTED;\r
LastRow = Private->DevNullRows - 1;\r
MaxColumn = Private->DevNullColumns;\r
\r
- if (Mode->Attribute & EFI_WIDE_ATTRIBUTE) {\r
+ if ((Mode->Attribute & EFI_WIDE_ATTRIBUTE) != 0) {\r
CurrentWidth = 2;\r
} else {\r
CurrentWidth = 1;\r
/**\r
Sets the output device(s) to a specified mode.\r
\r
- @param Private Private data structure pointer.\r
+ @param Private Text Out Splitter pointer.\r
@param ModeNumber The mode number to set.\r
\r
@retval EFI_SUCCESS The requested text mode was set.\r
Row = Mode->Rows;\r
Column = Mode->Columns;\r
\r
- if (Row <= 0 && Column <= 0) {\r
+ if (Row == 0 || Column == 0) {\r
return EFI_UNSUPPORTED;\r
}\r
\r
Clears the output device(s) display to the currently selected background\r
color.\r
\r
- @param Private Protocol instance pointer.\r
+ @param Private Text Out Splitter pointer.\r
\r
@retval EFI_SUCCESS The operation completed successfully.\r
@retval EFI_DEVICE_ERROR The device had an error and could not complete\r
\r
\r
/**\r
- Sets the current coordinates of the cursor position.\r
+ Sets the current coordinates of the cursor position on NULL device.\r
\r
- @param Private Protocol instance pointer.\r
- @param Column \r
- @param Row the position to set the cursor to. Must be\r
- greater than or equal to zero and less than the\r
- number of columns and rows by QueryMode ().\r
+ @param Private Text Out Splitter pointer.\r
+ @param Column The column position to set the cursor to. Must be\r
+ greater than or equal to zero and less than the\r
+ number of columns by QueryMode ().\r
+ @param Row The row position to set the cursor to. Must be\r
+ greater than or equal to zero and less than the\r
+ number of rows by QueryMode ().\r
\r
- @retval EFI_SUCCESS The operation completed successfully.\r
- @retval EFI_DEVICE_ERROR The device had an error and could not complete\r
- the request.\r
- @retval EFI_UNSUPPORTED The output device is not in a valid text mode, or\r
- the cursor position is invalid for the current\r
- mode.\r
+ @retval EFI_SUCCESS Always returned.\r
\r
**/\r
EFI_STATUS\r
\r
\r
/**\r
- Implements SIMPLE_TEXT_OUTPUT.EnableCursor().\r
- In this driver, the cursor cannot be hidden.\r
+ Set cursor visibility property on NULL device.\r
\r
- @param Private Indicates the calling context.\r
+ @param Private Text Out Splitter pointer.\r
@param Visible If TRUE, the cursor is set to be visible, If\r
FALSE, the cursor is set to be invisible.\r
\r
- @retval EFI_SUCCESS The request is valid.\r
+ @retval EFI_SUCCESS Always returned.\r
\r
**/\r
EFI_STATUS\r
Take the DevNull TextOut device and update the Simple Text Out on every\r
UGA device.\r
\r
- @param Private Indicates the calling context.\r
+ @param Private Text Out Splitter pointer.\r
\r
@retval EFI_SUCCESS The request is valid.\r
@retval other Return status of TextOut->OutputString ()\r
projects / mirror_edk2.git / blobdiff