MdeModulePkg GraphicsConsole: Add text mode for PcdConOutColumn/Row

Add a new text mode with a resolution of PcdConOutColumn x PcdConOutRow.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11415 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten 2011-03-23 02:11:14 +00:00
parent b5b1aca92b
commit b1aab293ea
3 changed files with 59 additions and 65 deletions

View File

@ -42,10 +42,11 @@ GRAPHICS_CONSOLE_DEV mGraphicsConsoleDevTemplate = {
TRUE
},
{
{ 80, 25, 0, 0, 0, 0 }, // Mode 0
{ 80, 50, 0, 0, 0, 0 }, // Mode 1
{ 100,31, 0, 0, 0, 0 }, // Mode 2
{ 0, 0, 0, 0, 0, 0 } // Mode 3
{ 80, 25, 0, 0, 0, 0, 0 }, // Mode 0
{ 80, 50, 0, 0, 0, 0, 0 }, // Mode 1
{ 100,31, 0, 0, 0, 0, 0 }, // Mode 2
{ 0, 0, 0, 0, 0, 0, 0 }, // Mode 3
{ 0, 0, 0, 0, 0, 0, 0 } // Mode 4
},
(EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) NULL
};
@ -238,11 +239,13 @@ GraphicsConsoleControllerDriverStart (
UINT32 VerticalResolution;
UINT32 ColorDepth;
UINT32 RefreshRate;
UINTN ModeIndex;
UINTN MaxMode;
UINTN Columns;
UINTN Rows;
UINT32 ModeNumber;
EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode;
GRAPHICS_CONSOLE_MODE_DATA *ModeData;
ModeNumber = 0;
//
@ -374,6 +377,18 @@ GraphicsConsoleControllerDriverStart (
}
}
//
// Add Mode #3 that uses the entire display for user-defined mode
//
Private->ModeData[3].Columns = HorizontalResolution / EFI_GLYPH_WIDTH;
Private->ModeData[3].Rows = VerticalResolution / EFI_GLYPH_HEIGHT;
//
// Add Mode #4 that uses the PCD values
//
Private->ModeData[4].Columns = (UINTN) PcdGet32 (PcdConOutColumn);
Private->ModeData[4].Rows = (UINTN) PcdGet32 (PcdConOutRow);
//
// Compute the maximum number of text Rows and Columns that this current graphics mode can support
//
@ -381,72 +396,45 @@ GraphicsConsoleControllerDriverStart (
Rows = VerticalResolution / EFI_GLYPH_HEIGHT;
//
// See if the mode is too small to support the required 80x25 text mode
// Here we make sure that mode 0 is valid
//
if (Columns < 80 || Rows < 25) {
goto Error;
if (Columns < Private->ModeData[0].Columns ||
Rows < Private->ModeData[0].Rows) {
//
// 80x25 cannot be supported.
//
// Fallback to using the PcdConOutColumn and PcdConOutRow
// for mode 0. If the PCDs are also to large, then mode 0
// will be shrunk to fit as needed.
//
Private->ModeData[0].Columns = MIN (Private->ModeData[4].Columns, Columns);
Private->ModeData[0].Rows = MIN (Private->ModeData[4].Rows, Rows);
}
//
// Add Mode #0 that must be 80x25
//
MaxMode = 0;
Private->ModeData[MaxMode].GopWidth = HorizontalResolution;
Private->ModeData[MaxMode].GopHeight = VerticalResolution;
Private->ModeData[MaxMode].GopModeNumber = ModeNumber;
Private->ModeData[MaxMode].DeltaX = (HorizontalResolution - (80 * EFI_GLYPH_WIDTH)) >> 1;
Private->ModeData[MaxMode].DeltaY = (VerticalResolution - (25 * EFI_GLYPH_HEIGHT)) >> 1;
MaxMode++;
//
// If it is possible to support Mode #1 - 80x50, than add it as an active mode
//
if (Rows >= 50) {
Private->ModeData[MaxMode].GopWidth = HorizontalResolution;
Private->ModeData[MaxMode].GopHeight = VerticalResolution;
Private->ModeData[MaxMode].GopModeNumber = ModeNumber;
Private->ModeData[MaxMode].DeltaX = (HorizontalResolution - (80 * EFI_GLYPH_WIDTH)) >> 1;
Private->ModeData[MaxMode].DeltaY = (VerticalResolution - (50 * EFI_GLYPH_HEIGHT)) >> 1;
MaxMode++;
for (ModeIndex = 0; ModeIndex < GRAPHICS_MAX_MODE; ModeIndex++) {
ModeData = &Private->ModeData[ModeIndex];
ModeData->GopWidth = HorizontalResolution;
ModeData->GopHeight = VerticalResolution;
ModeData->GopModeNumber = ModeNumber;
if (Columns >= ModeData->Columns &&
Rows >= ModeData->Rows) {
ModeData->DeltaX = (HorizontalResolution - (ModeData->Columns * EFI_GLYPH_WIDTH)) >> 1;
ModeData->DeltaY = (VerticalResolution - (ModeData->Rows * EFI_GLYPH_HEIGHT)) >> 1;
MaxMode = ModeIndex + 1;
} else {
ModeData->Columns = 0;
ModeData->Rows = 0;
ModeData->DeltaX = 0;
ModeData->DeltaY = 0;
}
}
//
// If it is not to support Mode #1 - 80x50, then skip it
// See if the resolution was too small to support any text modes
//
if (MaxMode < 2) {
Private->ModeData[MaxMode].Columns = 0;
Private->ModeData[MaxMode].Rows = 0;
Private->ModeData[MaxMode].GopWidth = HorizontalResolution;
Private->ModeData[MaxMode].GopHeight = VerticalResolution;
Private->ModeData[MaxMode].GopModeNumber = ModeNumber;
Private->ModeData[MaxMode].DeltaX = 0;
Private->ModeData[MaxMode].DeltaY = 0;
MaxMode++;
}
//
// Add Mode #2 that must be 100x31 (graphic mode >= 800x600)
//
if (Columns >= 100 && Rows >= 31) {
Private->ModeData[MaxMode].GopWidth = HorizontalResolution;
Private->ModeData[MaxMode].GopHeight = VerticalResolution;
Private->ModeData[MaxMode].GopModeNumber = ModeNumber;
Private->ModeData[MaxMode].DeltaX = (HorizontalResolution - (100 * EFI_GLYPH_WIDTH)) >> 1;
Private->ModeData[MaxMode].DeltaY = (VerticalResolution - (31 * EFI_GLYPH_HEIGHT)) >> 1;
MaxMode++;
}
//
// Add Mode #3 that uses the entire display for user-defined mode
//
if (HorizontalResolution > 800 && VerticalResolution > 600) {
Private->ModeData[MaxMode].Columns = HorizontalResolution/EFI_GLYPH_WIDTH;
Private->ModeData[MaxMode].Rows = VerticalResolution/EFI_GLYPH_HEIGHT;
Private->ModeData[MaxMode].GopWidth = HorizontalResolution;
Private->ModeData[MaxMode].GopHeight = VerticalResolution;
Private->ModeData[MaxMode].GopModeNumber = ModeNumber;
Private->ModeData[MaxMode].DeltaX = (HorizontalResolution % EFI_GLYPH_WIDTH) >> 1;
Private->ModeData[MaxMode].DeltaY = (VerticalResolution % EFI_GLYPH_HEIGHT) >> 1;
MaxMode++;
if (MaxMode == 0) {
goto Error;
}
//

View File

@ -69,7 +69,7 @@ typedef struct {
UINT32 GopModeNumber;
} GRAPHICS_CONSOLE_MODE_DATA;
#define GRAPHICS_MAX_MODE 4
#define GRAPHICS_MAX_MODE 5
typedef struct {
UINTN Signature;

View File

@ -51,6 +51,7 @@
UefiDriverEntryPoint
DebugLib
HiiLib
PcdLib
[Protocols]
gEfiDevicePathProtocolGuid ## CONSUMES
@ -61,4 +62,9 @@
gEfiHiiDatabaseProtocolGuid ## TO_START
[FeaturePcd]
gEfiMdePkgTokenSpaceGuid.PcdUgaConsumeSupport
gEfiMdePkgTokenSpaceGuid.PcdUgaConsumeSupport
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdConOutColumn
gEfiMdeModulePkgTokenSpaceGuid.PcdConOutRow