From 68bef1bdb43f26228090c2858a6dfe74e72eeadf Mon Sep 17 00:00:00 2001
From: Christian Swinehart <drafting@samizdat.co>
Date: Mon, 8 Aug 2022 17:40:29 -0400
Subject: [PATCH] create a surface as test for Vulkan support

---
 src/gpu/vulkan.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/gpu/vulkan.rs b/src/gpu/vulkan.rs
index 7f7693eb..04e20bea 100644
--- a/src/gpu/vulkan.rs
+++ b/src/gpu/vulkan.rs
@@ -6,7 +6,7 @@ use std::os::raw;
 use ash::{Entry, Instance, vk};
 use ash::vk::Handle;
 use skia_safe::gpu::{self, DirectContext, SurfaceOrigin};
-use skia_safe::{ImageInfo, Budgeted, Surface};
+use skia_safe::{ImageInfo, ISize, Budgeted, Surface, ColorSpace};
 
 use std::sync::{Arc, Mutex};
 use skulpin::{CoordinateSystem, Renderer, RendererBuilder};
@@ -39,7 +39,9 @@ impl VulkanEngine {
 
     pub fn supported() -> bool {
         Self::init();
-        VK_CONTEXT.with(|cell| cell.borrow().is_some() )
+        VK_CONTEXT.with(|cell| cell.borrow().is_some()) && Self::surface(
+            &ImageInfo::new_n32_premul(ISize::new(100, 100), Some(ColorSpace::new_srgb()))
+        ).is_some()
     }
 
     fn new() -> Result<Self, String> {