From 258db701a7a825db05976e6157344f02161639f0 Mon Sep 17 00:00:00 2001
From: Stephen Gutekanst <stephen@hexops.com>
Date: Wed, 9 Mar 2022 01:14:40 -0700
Subject: [PATCH] gpu: add SwapChain.configure

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
---
 gpu/src/NativeInstance.zig | 11 +++++++++++
 gpu/src/SwapChain.zig      | 12 +++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/gpu/src/NativeInstance.zig b/gpu/src/NativeInstance.zig
index e67dd1cd..ce24609e 100644
--- a/gpu/src/NativeInstance.zig
+++ b/gpu/src/NativeInstance.zig
@@ -484,6 +484,17 @@ const swap_chain_vtable = SwapChain.VTable{
             c.wgpuSwapChainRelease(@ptrCast(c.WGPUSwapChain, ptr));
         }
     }).release,
+    .configure = (struct {
+        pub fn configure(ptr: *anyopaque, format: TextureFormat, allowed_usage: TextureUsage, width: u32, height: u32) void {
+            c.wgpuSwapChainConfigure(
+                @ptrCast(c.WGPUSwapChain, ptr),
+                @enumToInt(format),
+                @enumToInt(allowed_usage),
+                width,
+                height,
+            );
+        }
+    }).configure,
 };
 
 test "syntax" {
diff --git a/gpu/src/SwapChain.zig b/gpu/src/SwapChain.zig
index 576fe3dc..ac772f38 100644
--- a/gpu/src/SwapChain.zig
+++ b/gpu/src/SwapChain.zig
@@ -13,8 +13,8 @@ vtable: *const VTable,
 pub const VTable = struct {
     reference: fn (ptr: *anyopaque) void,
     release: fn (ptr: *anyopaque) void,
+    configure: fn (ptr: *anyopaque, format: TextureFormat, allowed_usage: TextureUsage, width: u32, height: u32) void,
     // TODO:
-    // WGPU_EXPORT void wgpuSwapChainConfigure(WGPUSwapChain swapChain, WGPUTextureFormat format, WGPUTextureUsageFlags allowedUsage, uint32_t width, uint32_t height);
     // WGPU_EXPORT WGPUTextureView wgpuSwapChainGetCurrentTextureView(WGPUSwapChain swapChain);
     // WGPU_EXPORT void wgpuSwapChainPresent(WGPUSwapChain swapChain);
 };
@@ -27,6 +27,16 @@ pub inline fn release(swap_chain: SwapChain) void {
     swap_chain.vtable.release(swap_chain.ptr);
 }
 
+pub inline fn configure(
+    swap_chain: SwapChain,
+    format: TextureFormat,
+    allowed_usage: TextureUsage,
+    width: u32,
+    height: u32,
+) void {
+    swap_chain.vtable.configure(swap_chain.ptr, format, allowed_usage, width, height);
+}
+
 pub const Descriptor = struct {
     label: ?[]const u8 = null,
     usage: TextureUsage,