From 9d3190f78d39b56803237d9360623e546339cf84 Mon Sep 17 00:00:00 2001
From: Peter Li <peterino>
Date: Sat, 19 Apr 2025 18:05:16 -0700
Subject: [PATCH] saving

---
 engine/imgui/src/imgui.zig             |  1 +
 engine/imgui/src/sgpu/backend_impl.zig | 37 ++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 engine/imgui/src/sgpu/backend_impl.zig

diff --git a/engine/imgui/src/imgui.zig b/engine/imgui/src/imgui.zig
index 0eb703a..df8f726 100644
--- a/engine/imgui/src/imgui.zig
+++ b/engine/imgui/src/imgui.zig
@@ -1,6 +1,7 @@
 const std = @import("std");
 pub const core = @import("core");
 pub const cimgui = @import("cimgui");
+const rend = @import("rend");
 
 pub const Module: core.ModuleDescription = .{
     .name = "imgui",
diff --git a/engine/imgui/src/sgpu/backend_impl.zig b/engine/imgui/src/sgpu/backend_impl.zig
new file mode 100644
index 0000000..6d62058
--- /dev/null
+++ b/engine/imgui/src/sgpu/backend_impl.zig
@@ -0,0 +1,37 @@
+pub const ImguiImpl = struct {
+    allocator: std.mem.Allocator,
+    device: *gpu.GPUDevice,
+
+    // renderer plugin
+    pub fn create(device: *gpu.GPUDevice, allocator: std.mem.Allocator, settings: struct {}) !*@This() {
+        const self = try allocator.create(@This());
+
+        self.* = .{
+            .allocator = allocator,
+            .device = device,
+        };
+        _ = settings;
+
+        return self;
+    }
+
+    pub fn preTick(_: *@This(), _: f64) core.EngineDataEventError!void {
+        c.ImGui_ImplGlfw_NewFrame();
+        c.cImGui_vk_NewFrame();
+        c.igNewFrame();
+    }
+
+    // renderer plugin
+    pub fn destroy(p: *anyopaque) void {
+        const self: *@This() = @ptrCast(@alignCast(p));
+
+        self.allocator.destroy(self);
+    }
+};
+const c = @import("cimgui").c;
+const ig = @import("cimgui").cimgui;
+const sdl3 = @import("sdl3");
+const gpu = sdl3.gpu;
+const rend = @import("rend");
+const std = @import("std");
+const core = @import("core");