feat(wezterm): properly detect and handle vulkan support

dots/.config/wezterm/config/gpu.lua

@@ -0,0 +1,24 @@
+-- We have to provide a good gpu for wezterm to use gpu acceleration. We ideally want to use a vullkan front end, but if
+-- we are unable to locate a card that supports Vulkan we fall back to OpenGL
+local config = {}
+local wezterm = require("wezterm")
+local wlib = require("wlib")
+
+local found_valid_gpu = false
+wezterm.log_info(wlib.Table.dump(wezterm.gui.enumerate_gpus()))
+for _, gpu in ipairs(wezterm.gui.enumerate_gpus()) do
+    if gpu.backend == "Vulkan" then
+        wezterm.log_info("Found Usable Vulkan GPU\n  Device Name -> " .. gpu.name .."\n  Device Type -> " .. gpu.device_type)
+        config.webgpu_preferred_adapter = gpu
+        config.front_end = "WebGpu"
+        found_valid_gpu = true
+        break
+    end
+end
+
+if not found_valid_gpu then
+    wezterm.log_warn("Unable to locate a Vulkan-supported GPU, falling back to OpenGL")
+    config.front_end = "OpenGL"
+end
+
+return config

dots/.config/wezterm/wezterm.lua

@@ -10,6 +10,7 @@ local tabbar = require("config.tabbar")
 local rendering = require("config.rendering")
 local keybinds = require("config.keybinds")
 local misc = require("config.misc")
+local gpu = require("config.gpu")
 
 -- NOTE: Pull in the OS specific config, this is passed last to the mergeable
 -- NOTE: as the last item to be merged (last item passed) overrides all others
@@ -23,5 +24,8 @@ if not found then
     os_config = {}
 end
 
-local config = wlib.Table.merge(events, fonts, theme, tabbar, misc, rendering, keybinds, os_config)
+
+local config = wlib.Table.merge(gpu, events, fonts, theme, tabbar, misc, rendering, keybinds, os_config)
+
+
 return config