From a1c9fe6897f41623e1643ac6a3e6c533b35fd208 Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Mon, 7 Mar 2022 20:17:41 -0700
Subject: [PATCH] gpu: implement Adapter.reference, Adapter.release

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/Adapter.zig        | 12 ++++++++++--
 gpu/src/NativeInstance.zig | 13 ++++++++++++-
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/gpu/src/Adapter.zig b/gpu/src/Adapter.zig
index bcb703c8..f0449792 100644
--- a/gpu/src/Adapter.zig
+++ b/gpu/src/Adapter.zig
@@ -51,10 +51,18 @@ pub const VTable = struct {
     // TODO:
     // WGPU_EXPORT void wgpuAdapterRequestDevice(WGPUAdapter adapter, WGPUDeviceDescriptor const * descriptor, WGPURequestDeviceCallback callback, void * userdata);
     // WGPU_EXPORT WGPUDevice wgpuAdapterCreateDevice(WGPUAdapter adapter, WGPUDeviceDescriptor const * descriptor);
-    // WGPU_EXPORT void wgpuAdapterReference(WGPUAdapter adapter);
-    // WGPU_EXPORT void wgpuAdapterRelease(WGPUAdapter adapter);
+    reference: fn (ptr: *anyopaque) void,
+    release: fn (ptr: *anyopaque) void,
 };
 
+pub inline fn reference(adapter: Adapter) void {
+    adapter.vtable.reference(adapter.ptr);
+}
+
+pub inline fn release(adapter: Adapter) void {
+    adapter.vtable.release(adapter.ptr);
+}
+
 /// Tests of the given feature can be used to create devices on this adapter.
 pub fn hasFeature(adapter: Adapter, feature: FeatureName) bool {
     for (adapter.features) |f| {
diff --git a/gpu/src/NativeInstance.zig b/gpu/src/NativeInstance.zig
index cf7ab628..2e912e3d 100644
--- a/gpu/src/NativeInstance.zig
+++ b/gpu/src/NativeInstance.zig
@@ -210,7 +210,18 @@ fn wrapAdapter(adapter: c.WGPUAdapter) Adapter {
     };
 }
 
-const adapter_vtable = Adapter.VTable{};
+const adapter_vtable = Adapter.VTable{
+    .reference = (struct {
+        pub fn reference(ptr: *anyopaque) void {
+            c.wgpuAdapterReference(@ptrCast(c.WGPUAdapter, ptr));
+        }
+    }).reference,
+    .release = (struct {
+        pub fn release(ptr: *anyopaque) void {
+            c.wgpuAdapterRelease(@ptrCast(c.WGPUAdapter, ptr));
+        }
+    }).release,
+};
 
 // TODO: implement Device interface