From 09ed611a7fc24103e436e0dc88a27c589a18803b Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Wed, 26 Aug 2026 03:43:28 +0200
Subject: [PATCH] feat: Default to SVGA device for Windows 95/98/ME (#2194)

---
 src/batch.sh  | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/legacy.sh |  2 +-
 2 files changed, 99 insertions(+), 2 deletions(-)

diff --git a/src/batch.sh b/src/batch.sh
index a2abe480..90674df6 100644
--- a/src/batch.sh
+++ b/src/batch.sh
@@ -138,6 +138,7 @@ Win9xInstall() {
   local display="$win9x/vmdisp9x"
   local audio95="$win9x/alcx95"
   local audiowdm="$win9x/alcxwdm"
+  local vmware_display="$win9x/vmsvga"
 
   extractDrivers "$drivers" || return 1
 
@@ -171,7 +172,7 @@ Win9xInstall() {
     return 1
   fi
 
-  if ! patchWin9xSetupFiles "$id" "$target" "$desc" "$patcher" "$qemouse" "$display"; then
+  if ! patchWin9xSetupFiles "$id" "$target" "$desc" "$patcher" "$qemouse" "$display" "$vmware_display"; then
     rm -rf "$drivers" || :
     return 1
   fi
@@ -556,6 +557,7 @@ patchWin9xSetupFiles() {
   local patcher="$4"
   local qemouse="$5"
   local display="$6"
+  local vmware_display="$7"
 
   chmod 755 "$patcher" || {
     error "Failed to make Patcher9x executable!"
@@ -580,6 +582,7 @@ patchWin9xSetupFiles() {
   fi
 
   stageWin9xDisplayDriver "$target" "$display" "$desc" || return 1
+  stageWin9xVMwareDriver "$target" "$vmware_display" "$desc" || return 1
 
   if ! mv -f -- \
     "$target/VMDISP9X/vmdisp9x.inf" \
@@ -1176,6 +1179,100 @@ stageWin9xDisplayDriver() {
     return 1
   fi
 
+  # Keep VMDisp9x available for QEMU STD VGA, but let the official VMware
+  # driver own VMware SVGA-II. Comment only the matching model in our staged
+  # INF so the original driver archive remains untouched.
+  if ! python3 - "$dest/vmdisp9x.inf" <<'PY'
+from pathlib import Path
+import sys
+
+path = Path(sys.argv[1])
+lines = path.read_bytes().splitlines(keepends=True)
+needle = br'PCI\VEN_15AD&DEV_0405&SUBSYS_040515AD'
+matches = []
+
+for index, line in enumerate(lines):
+    stripped = line.lstrip(b' \t')
+    if stripped.startswith(b';'):
+        continue
+    if needle in stripped.upper():
+        matches.append(index)
+
+if len(matches) != 1:
+    raise SystemExit(f'expected exactly one active VMware SVGA-II model, found {len(matches)}')
+
+index = matches[0]
+indent = len(lines[index]) - len(lines[index].lstrip(b' \t'))
+lines[index] = lines[index][:indent] + b'; ' + lines[index][indent:]
+path.write_bytes(b''.join(lines))
+PY
+  then
+    error "Failed to reserve VMware SVGA-II for the official VMware driver!"
+    return 1
+  fi
+
+  if grep -iF 'PCI\VEN_15AD&DEV_0405&SUBSYS_040515AD' "$dest/vmdisp9x.inf" |
+    grep -Ev '^[[:space:]]*;' >/dev/null; then
+    error "Failed to remove the active VMware SVGA-II VMDisp9x model!"
+    return 1
+  fi
+
+  if ! grep -iF 'PCI\VEN_15AD&DEV_0405&SUBSYS_040515AD' "$dest/vmdisp9x.inf" |
+    grep -Eq '^[[:space:]]*;'; then
+    error "Failed to verify the VMware SVGA-II VMDisp9x model change!"
+    return 1
+  fi
+
+  return 0
+}
+
+stageWin9xVMwareDriver() {
+
+  local target="$1"
+  local source="$2"
+  local desc="$3"
+
+  local file
+
+  for file in \
+    vmx_svga.inf \
+    VMX_SVGA.DRV \
+    VMX_SVGA.vxd; do
+
+    if [ ! -s "$source/$file" ]; then
+      error "Failed to locate required VMware SVGA driver file: $file"
+      return 1
+    fi
+
+  done
+
+  if ! cp -f -- \
+    "$source/vmx_svga.inf" \
+    "$source/VMX_SVGA.DRV" \
+    "$source/VMX_SVGA.vxd" \
+    "$target/"; then
+
+    error "Failed to add the VMware SVGA driver to $desc setup files!"
+    return 1
+  fi
+
+  for file in \
+    vmx_svga.inf \
+    VMX_SVGA.DRV \
+    VMX_SVGA.vxd; do
+
+    if ! cmp -s -- "$source/$file" "$target/$file"; then
+      error "Failed to verify the staged VMware SVGA driver file: $file"
+      return 1
+    fi
+
+  done
+
+  if ! grep -Fqi 'PCI\VEN_15AD&DEV_0405' "$target/vmx_svga.inf"; then
+    error "Failed to verify the VMware SVGA-II hardware ID!"
+    return 1
+  fi
+
   return 0
 }
 
diff --git a/src/legacy.sh b/src/legacy.sh
index 439a9747..4b8d110a 100644
--- a/src/legacy.sh
+++ b/src/legacy.sh
@@ -31,7 +31,7 @@ setMachine() {
       "winnt4" )
         writeState "vga" "cirrus" || return 1 ;;
 
-      "win2k"* | "winxp"* | "win2003"* )
+      "win9"* | "win2k"* | "winxp"* | "win2003"* )
         writeState "vga" "vmware" || return 1 ;;
 
       *) writeState "vga" "std" || return 1 ;;