From 58602f740711d75389180b309e29f99b91d4c987 Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Fri, 15 Jul 2022 00:13:54 -0700
Subject: [PATCH] gpu: make Device an enum with methods

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/Device.zig | 12 ++++++++----
 gpu/src/main.zig   |  4 ++--
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/gpu/src/Device.zig b/gpu/src/Device.zig
index 6046ae59..78fd01d9 100644
--- a/gpu/src/Device.zig
+++ b/gpu/src/Device.zig
@@ -1,6 +1,10 @@
-ptr: *anyopaque,
+pub const Device = enum(usize) {
+    _,
 
-pub const LostReason = enum(u32) {
-    undef = 0x00000000,
-    destroyed = 0x00000001,
+    pub const none: Device = @intToEnum(Device, 0);
+
+    pub const LostReason = enum(u32) {
+        undef = 0x00000000,
+        destroyed = 0x00000001,
+    };
 };
diff --git a/gpu/src/main.zig b/gpu/src/main.zig
index b4887861..9a9a2671 100644
--- a/gpu/src/main.zig
+++ b/gpu/src/main.zig
@@ -17,7 +17,7 @@ pub const CommandBuffer = @import("command_buffer.zig").CommandBuffer;
 pub const CommandEncoder = @import("command_encoder.zig").CommandEncoder;
 pub const ComputePassEncoder = @import("compute_pass_encoder.zig").ComputePassEncoder;
 pub const ComputePipeline = @import("compute_pipeline.zig").ComputePipeline;
-pub const Device = @import("Device.zig");
+pub const Device = @import("device.zig").Device;
 pub const ExternalTexture = @import("ExternalTexture.zig");
 pub const Instance = @import("Instance.zig");
 pub const PipelineLayout = @import("PipelineLayout.zig");
@@ -45,7 +45,7 @@ test {
     refAllDecls(@import("command_encoder.zig"));
     refAllDecls(@import("compute_pass_encoder.zig"));
     refAllDecls(@import("compute_pipeline.zig"));
-    refAllDecls(@import("Device.zig"));
+    refAllDecls(@import("device.zig"));
     refAllDecls(@import("ExternalTexture.zig"));
     refAllDecls(@import("Instance.zig"));
     refAllDecls(@import("PipelineLayout.zig"));