From 792f0d4f12ad5c01afdf9c92df8c479ff0f19a79 Mon Sep 17 00:00:00 2001
From: Zhiguang Liu <zhiguang.liu@intel.com>
Date: Mon, 29 Apr 2019 09:40:26 +0800
Subject: [PATCH] EmulatorPkg: Support a second GOP window

Two GOP screens will be created if PcdEmuGop is set in
EmulatorPkg.dsc:
gEmulatorPkgTokenSpaceGuid.PcdEmuGop|L"GOP Window 1!GOP Window 2"

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1687
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Andrew Fish <afish@apple.com>
Cc: Ray Ni <ray.ni@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
---
 .../Library/PlatformBmLib/PlatformBmData.c    | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/EmulatorPkg/Library/PlatformBmLib/PlatformBmData.c b/EmulatorPkg/Library/PlatformBmLib/PlatformBmData.c
index 633a97d14a..1151021606 100644
--- a/EmulatorPkg/Library/PlatformBmLib/PlatformBmData.c
+++ b/EmulatorPkg/Library/PlatformBmLib/PlatformBmData.c
@@ -42,6 +42,38 @@ EMU_PLATFORM_UGA_DEVICE_PATH gGopDevicePath = {
   gEndEntire
 };
 
+EMU_PLATFORM_UGA_DEVICE_PATH gGopDevicePath2 = {
+  {
+    {
+      {
+        HARDWARE_DEVICE_PATH,
+        HW_VENDOR_DP,
+        {
+          (UINT8) (sizeof (EMU_VENDOR_DEVICE_PATH_NODE)),
+          (UINT8) ((sizeof (EMU_VENDOR_DEVICE_PATH_NODE)) >> 8)
+        }
+      },
+      EMU_THUNK_PROTOCOL_GUID
+    },
+    0
+  },
+  {
+    {
+      {
+        HARDWARE_DEVICE_PATH,
+        HW_VENDOR_DP,
+        {
+          (UINT8) (sizeof (EMU_VENDOR_DEVICE_PATH_NODE)),
+          (UINT8) ((sizeof (EMU_VENDOR_DEVICE_PATH_NODE)) >> 8)
+        },
+      },
+      EMU_GRAPHICS_WINDOW_PROTOCOL_GUID,
+    },
+    1
+  },
+  gEndEntire
+};
+
 //
 // Predefined platform default console device path
 //
@@ -50,6 +82,10 @@ BDS_CONSOLE_CONNECT_ENTRY   gPlatformConsole[] = {
     (EFI_DEVICE_PATH_PROTOCOL *) &gGopDevicePath,
     (CONSOLE_OUT | CONSOLE_IN)
   },
+  {
+    (EFI_DEVICE_PATH_PROTOCOL *) &gGopDevicePath2,
+    (CONSOLE_OUT | CONSOLE_IN)
+  },
   {
     NULL,
     0
-- 
2.39.2