From 10d3aa358c41b9456c625ba8bdeeb1dad760bff5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anders=20F=20Bj=C3=B6rklund?= <anders.f.bjorklund@gmail.com>
Date: Sun, 18 Aug 2024 18:16:16 +0200
Subject: [PATCH] qemu: Enable hardware acceleration on Windows

And document the default "tcg" fallback accel
---
 pkg/drivers/qemu/qemu.go | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/pkg/drivers/qemu/qemu.go b/pkg/drivers/qemu/qemu.go
index 018974d07f6e..89e1b4b7464c 100644
--- a/pkg/drivers/qemu/qemu.go
+++ b/pkg/drivers/qemu/qemu.go
@@ -545,10 +545,7 @@ func (d *Driver) Start() error {
 }
 
 func hardwareAcceleration() string {
-	if detect.IsAmd64M1Emulation() {
-		return "tcg"
-	}
-	if runtime.GOOS == "darwin" {
+	if !detect.IsAmd64M1Emulation() && runtime.GOOS == "darwin" {
 		// On macOS, enable the Hypervisor framework accelerator.
 		return "hvf"
 	}
@@ -556,6 +553,11 @@ func hardwareAcceleration() string {
 		// On Linux, enable the Kernel Virtual Machine accelerator.
 		return "kvm"
 	}
+	if runtime.GOOS == "windows" {
+		// On Windows, enable the Windows Hypervisor Platform accelerator.
+		return "whpx"
+	}
+	// Use the default, "tcg" (in software, not hardware accelerated)
 	return ""
 }