OcConsoleLib: Fix rotation and EfiBoot bridging

Docs/Configuration.tex

@@ -6782,7 +6782,9 @@ functioning. Feature highlights:
   there is an obvious benefit as it may result in issues such as slower scrolling.
 
   This renderer fully supports \texttt{AppleEg2Info} protocol and will provide
-  screen rotation for all EFI applications.
+  screen rotation for all EFI applications. In order to provide seamless rotation
+  compatibility with \texttt{EfiBoot}, builtin \texttt{AppleFramebufferInfo} should
+  also be used, i.e. it may need to be overridden on Mac EFI.
 
 \item
   \texttt{GopPassThrough}\\

Docs/Differences/Differences.tex

 \documentclass[]{article}
 %DIF LATEXDIFF DIFFERENCE FILE
 %DIF DEL PreviousConfiguration.tex   Fri May  7 10:26:40 2021
-%DIF ADD ../Configuration.tex        Sun May  9 00:12:30 2021
+%DIF ADD ../Configuration.tex        Sun May  9 02:38:36 2021
 
 \usepackage{lmodern}
 \usepackage{amssymb,amsmath}
@@ -6842,7 +6842,9 @@ functioning. Feature highlights:
   there is an obvious benefit as it may result in issues such as slower scrolling.
 
   \DIFaddbegin \DIFadd{This renderer fully supports }\texttt{\DIFadd{AppleEg2Info}} \DIFadd{protocol and will provide
-  screen rotation for all EFI applications.
+  screen rotation for all EFI applications. In order to provide seamless rotation
+  compatibility with }\texttt{\DIFadd{EfiBoot}}\DIFadd{, builtin }\texttt{\DIFadd{AppleFramebufferInfo}} \DIFadd{should
+  also be used, i.e. it may need to be overridden on Mac EFI.
 }
 
 \DIFaddend \item

Library/OcConsoleLib/ConsoleGop.c

@@ -194,13 +194,24 @@ STATIC
 VOID
 SwitchMode (
   IN OUT EFI_GRAPHICS_OUTPUT_PROTOCOL          *This,
-  IN     EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Source
+  IN     BOOLEAN                               UseCustom
   )
 {
+  EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Source;
+
   ASSERT (This != NULL);
   ASSERT (This->Mode != NULL);
   ASSERT (This->Mode->Info != NULL);
-  ASSERT (Source != NULL);
+
+  if (UseCustom) {
+    Source = &mGop.CustomModeInfo;
+    This->Mode->FrameBufferBase  = 0;
+    This->Mode->FrameBufferSize  = 0;
+  } else {
+    Source = &mGop.OriginalModeInfo;
+    This->Mode->FrameBufferBase = mGop.OriginalFrameBufferBase;
+    This->Mode->FrameBufferSize = mGop.OriginalFrameBufferSize;
+  }
 
   This->Mode->Info->VerticalResolution   = Source->VerticalResolution;
   This->Mode->Info->HorizontalResolution = Source->HorizontalResolution;
@@ -233,6 +244,14 @@ RotateMode (
     This->Mode->Info->PixelsPerScanLine    = This->Mode->Info->HorizontalResolution;
   }
 
+  mGop.OriginalFrameBufferBase = This->Mode->FrameBufferBase;
+  mGop.OriginalFrameBufferSize = This->Mode->FrameBufferSize;
+
+  if (Rotation != 0) {
+    This->Mode->FrameBufferBase  = 0;
+    This->Mode->FrameBufferSize  = 0;
+  }
+
   CopyMem (&mGop.CustomModeInfo, This->Mode->Info, sizeof (mGop.CustomModeInfo));
 }
 
@@ -309,11 +328,11 @@ DirectGopSetMode (
   //
   // Protect from mishandling of rotated info.
   //
-  SwitchMode (This, &mGop.OriginalModeInfo);
+  SwitchMode (This, FALSE);
 
   Status = mGop.OriginalGopSetMode (This, ModeNumber);
   if (EFI_ERROR (Status)) {
-    SwitchMode (This, &mGop.CustomModeInfo);
+    SwitchMode (This, TRUE);
     mGop.FramebufferContext = Original;
     gBS->RestoreTPL (OldTpl);
     return Status;
@@ -326,7 +345,7 @@ DirectGopSetMode (
   RotateMode (This, mGop.Rotation);
 
   mGop.FramebufferContext = DirectGopFromTarget (
-    This->Mode->FrameBufferBase,
+    mGop.OriginalFrameBufferBase,
     &mGop.OriginalModeInfo,
     &mGop.FramebufferContextPageCount
     );
@@ -360,10 +379,10 @@ DirectQueryMode (
   EFI_STATUS  Status;
   UINT32      HorizontalResolution;
 
-  SwitchMode (This, &mGop.OriginalModeInfo);
+  SwitchMode (This, FALSE);
   Status = mGop.OriginalGopQueryMode (This, ModeNumber, SizeOfInfo, Info);
   if (EFI_ERROR (Status)) {
-    SwitchMode (This, &mGop.CustomModeInfo);
+    SwitchMode (This, TRUE);
     return Status;
   }
 
@@ -523,7 +542,7 @@ OcUseDirectGop (
   RotateMode (Gop, mGop.Rotation);
 
   mGop.FramebufferContext = DirectGopFromTarget (
-    Gop->Mode->FrameBufferBase,
+    mGop.OriginalFrameBufferBase,
     &mGop.OriginalModeInfo,
     &mGop.FramebufferContextPageCount
     );
@@ -562,3 +581,15 @@ OcUseDirectGop (
 
   return EFI_SUCCESS;
 }
+
+CONST CONSOLE_GOP_CONTEXT *
+InternalGetDirectGopContext (
+  VOID
+  )
+{
+  if (mGop.Rotation != 0 && mGop.OriginalGopSetMode != NULL) {
+    return &mGop;
+  }
+
+  return NULL;
+}

Library/OcConsoleLib/ConsoleGopInternal.h

@@ -56,9 +56,22 @@ typedef struct CONSOLE_GOP_CONTEXT {
   ///
   EFI_GRAPHICS_OUTPUT_MODE_INFORMATION    OriginalModeInfo;
   ///
+  /// Original (not rotated) linear frame buffer.
+  ///
+  EFI_PHYSICAL_ADDRESS                    OriginalFrameBufferBase;
+  ///
+  /// Original (not rotated) linear frame buffer size.
+  ///
+  UINTN                                   OriginalFrameBufferSize;
+  ///
   /// Ours (rotated) mode informaation.
   ///
   EFI_GRAPHICS_OUTPUT_MODE_INFORMATION    CustomModeInfo;
 } CONSOLE_GOP_CONTEXT;
 
+CONST CONSOLE_GOP_CONTEXT *
+InternalGetDirectGopContext (
+  VOID
+  );
+
 #endif // CONSOLE_GOP_INTERNAL_H

Library/OcConsoleLib/FramebufferInfo.c

@@ -13,6 +13,7 @@
 **/
 
 #include "OcConsoleLibInternal.h"
+#include "ConsoleGopInternal.h"
 
 #include <Protocol/AppleFramebufferInfo.h>
 #include <Protocol/GraphicsOutput.h>
@@ -41,6 +42,7 @@ AppleFramebufferGetInfo (
   EFI_GRAPHICS_OUTPUT_PROTOCOL          *GraphicsOutput;
   EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE     *Mode;
   EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Info;
+  CONST CONSOLE_GOP_CONTEXT             *DirectConsole;
 
   if (This == NULL
     || FramebufferBase == NULL
@@ -52,6 +54,17 @@ AppleFramebufferGetInfo (
     return EFI_INVALID_PARAMETER;
   }
 
+  DirectConsole = InternalGetDirectGopContext ();
+  if (DirectConsole != NULL) {
+    *FramebufferBase = DirectConsole->OriginalFrameBufferBase;
+    *FramebufferSize = (UINT32) DirectConsole->OriginalFrameBufferSize;
+    *ScreenRowBytes  = (UINT32) (DirectConsole->OriginalModeInfo.PixelsPerScanLine * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+    *ScreenWidth     = DirectConsole->CustomModeInfo.HorizontalResolution;
+    *ScreenHeight    = DirectConsole->CustomModeInfo.VerticalResolution;
+    *ScreenDepth     = DEFAULT_COLOUR_DEPTH;
+    return EFI_SUCCESS;
+  }
+
   Status = gBS->HandleProtocol (
     gST->ConsoleOutHandle,
     &gEfiGraphicsOutputProtocolGuid,

Library/OcConsoleLib/OcConsoleLib.inf

@@ -29,6 +29,7 @@
 
 [Guids]
   gAppleVendorVariableGuid
+  gAppleBootVariableGuid
 
 [Protocols]
   gAppleFramebufferInfoProtocolGuid