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

3 files changed, 57 insertions, 63 deletions

diff --git a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
index e6f732d..bed16ac 100644
--- a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
+++ b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
@@ -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;

 

   //

@@ -375,78 +378,63 @@ GraphicsConsoleControllerDriverStart (
   }

 

   //

-  // Compute the maximum number of text Rows and Columns that this current graphics mode can support

+  // Add Mode #3 that uses the entire display for user-defined mode

   //

-  Columns = HorizontalResolution / EFI_GLYPH_WIDTH;

-  Rows    = VerticalResolution / EFI_GLYPH_HEIGHT;

+  Private->ModeData[3].Columns = HorizontalResolution / EFI_GLYPH_WIDTH;

+  Private->ModeData[3].Rows    = VerticalResolution / EFI_GLYPH_HEIGHT;

 

   //

-  // See if the mode is too small to support the required 80x25 text mode

+  // Add Mode #4 that uses the PCD values

   //

-  if (Columns < 80 || Rows < 25) {

-    goto Error;

-  }

+  Private->ModeData[4].Columns = (UINTN) PcdGet32 (PcdConOutColumn);

+  Private->ModeData[4].Rows    = (UINTN) PcdGet32 (PcdConOutRow);

+

   //

-  // Add Mode #0 that must be 80x25

+  // Compute the maximum number of text Rows and Columns that this current graphics mode can support

   //

-  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++;

-  }

+  Columns = HorizontalResolution / EFI_GLYPH_WIDTH;

+  Rows    = VerticalResolution / EFI_GLYPH_HEIGHT;

 

   //

-  // If it is not to support Mode #1 - 80x50, then skip it

+  // Here we make sure that mode 0 is valid

   //

-  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++;

+  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 #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++;

+  MaxMode = 0;

+  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;

+    }

   }

 

   //

-  // Add Mode #3 that uses the entire display for user-defined mode

+  // See if the resolution was too small to support any text modes

   //

-  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;

   }

 

   //

diff --git a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.h b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.h
index 4d909a4..24285a9 100644
--- a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.h
+++ b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.h
@@ -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;

diff --git a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
index 59c8f2d..169e15a 100644
--- a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
+++ b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
@@ -51,6 +51,7 @@
   UefiDriverEntryPoint

   DebugLib

   HiiLib

+  PcdLib

 

 [Protocols]

   gEfiDevicePathProtocolGuid                    ## CONSUMES

@@ -61,4 +62,9 @@
   gEfiHiiDatabaseProtocolGuid                   ## TO_START   

 

 [FeaturePcd]

-  gEfiMdePkgTokenSpaceGuid.PcdUgaConsumeSupport
\ No newline at end of file
+  gEfiMdePkgTokenSpaceGuid.PcdUgaConsumeSupport

+

+[Pcd]

+  gEfiMdeModulePkgTokenSpaceGuid.PcdConOutColumn

+  gEfiMdeModulePkgTokenSpaceGuid.PcdConOutRow

+