From cd2dc0c2e8e295d733f32d131048a1effc418a70 Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Fri, 11 Mar 2022 13:22:18 -0700
Subject: [PATCH] gpu: add Device.destroy

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/Device.zig         | 9 +++++++--
 gpu/src/NativeInstance.zig | 5 +++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/gpu/src/Device.zig b/gpu/src/Device.zig
index e8145e84..ddcad79a 100644
--- a/gpu/src/Device.zig
+++ b/gpu/src/Device.zig
@@ -39,7 +39,7 @@ pub const VTable = struct {
     createShaderModule: fn (ptr: *anyopaque, descriptor: *const ShaderModule.Descriptor) ShaderModule,
     nativeCreateSwapChain: fn (ptr: *anyopaque, surface: ?Surface, descriptor: *const SwapChain.Descriptor) SwapChain,
     // WGPU_EXPORT WGPUTexture wgpuDeviceCreateTexture(WGPUDevice device, WGPUTextureDescriptor const * descriptor);
-    // WGPU_EXPORT void wgpuDeviceDestroy(WGPUDevice device);
+    destroy: fn (ptr: *anyopaque) void,
     // WGPU_EXPORT size_t wgpuDeviceEnumerateFeatures(WGPUDevice device, WGPUFeature * features);
     // WGPU_EXPORT bool wgpuDeviceGetLimits(WGPUDevice device, WGPUSupportedLimits * limits);
     getQueue: fn (ptr: *anyopaque) Queue,
@@ -77,6 +77,10 @@ pub inline fn nativeCreateSwapChain(device: Device, surface: ?Surface, descripto
     return device.vtable.nativeCreateSwapChain(device.ptr, surface, descriptor);
 }
 
+pub inline fn destroy(device: Device) void {
+    device.vtable.destroy(device.ptr);
+}
+
 // TODO: docs
 pub const Descriptor = struct {
     label: ?[*:0]const u8 = null,
@@ -90,6 +94,7 @@ test "syntax" {
     _ = reference;
     _ = release;
     _ = createShaderModule;
-    _ = Descriptor;
     _ = nativeCreateSwapChain;
+    _ = destroy;
+    _ = Descriptor;
 }
diff --git a/gpu/src/NativeInstance.zig b/gpu/src/NativeInstance.zig
index a2e9240b..59bfc40f 100644
--- a/gpu/src/NativeInstance.zig
+++ b/gpu/src/NativeInstance.zig
@@ -377,6 +377,11 @@ const device_vtable = Device.VTable{
             ));
         }
     }).nativeCreateSwapChain,
+    .destroy = (struct {
+        pub fn destroy(ptr: *anyopaque) void {
+            c.wgpuDeviceDestroy(@ptrCast(c.WGPUDestroy, ptr));
+        }
+    }).destroy,
 };
 
 // TODO: maybe make Limits an extern struct that can be cast?