[chore]: MASSIVE refactor + more vulkan bs

1 files changed, 40 insertions, 0 deletions

diff --git a/src/platform/vulkan/vulkan_renderer.h b/src/platform/vulkan/vulkan_renderer.h
new file mode 100644
index 0000000..97a4e38
--- /dev/null
+++ b/src/platform/vulkan/vulkan_renderer.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include <glm/glm.hpp>
+#include <functional>
+
+// Live-window Vulkan backend: owns the instance, surface, device, swapchain,
+// render pass, framebuffers and per-frame synchronization, and drives the
+// acquire -> record -> submit -> present loop. Pure-C++ header (no vulkan.h /
+// glfw leak); the GLFW window is passed as an opaque handle.
+namespace Donut
+{
+    // Must be called BEFORE glfwInit() when the Vulkan API is selected: points
+    // GLFW at the loader the app links against (GLFW's own dlopen fails on
+    // macOS/Homebrew) and configures the MoltenVK ICD / layer paths.
+    auto vulkan_prepare_glfw() -> void;
+
+    class VulkanRenderer
+    {
+    public:
+        VulkanRenderer();
+        ~VulkanRenderer();
+
+        // glfwWindow must be a GLFW window created with GLFW_NO_API.
+        auto init(void* glfwWindow, int width, int height) -> bool;
+        auto shutdown() -> void;
+
+        // Creates the ImGui context + Vulkan/GLFW backends. Call after init().
+        auto init_im_gui() -> bool;
+
+        // Renders + presents one frame: clears to clearColor, then (if init_im_gui
+        // ran) opens an ImGui frame, invokes buildUI to populate it, and draws it.
+        auto draw_frame(const glm::vec4& clearColor, const std::function<void()>& buildUI = {}) -> void;
+
+        auto on_resize(int width, int height) -> void;
+
+    private:
+        struct Impl;
+        Impl* m_impl = nullptr;
+    };
+}