From 1b5f373f8e913aa948ef0964d26a0082e6563f0a Mon Sep 17 00:00:00 2001
From: Steven Le Rouzic <steven.lerouzic@gmail.com>
Date: Thu, 2 May 2024 00:09:00 +0200
Subject: Vulkan surface creation & present queue selection

---
 deimos/core/base.h       |  3 +++
 deimos/core/os.h         |  5 +++++
 deimos/core/os_win32.cpp | 18 ++++++++++++++++--
 3 files changed, 24 insertions(+), 2 deletions(-)

(limited to 'deimos/core')

diff --git a/deimos/core/base.h b/deimos/core/base.h
index 34a341f..0c15ccd 100644
--- a/deimos/core/base.h
+++ b/deimos/core/base.h
@@ -1,5 +1,8 @@
 #pragma once
 
+// @Todo Add some compile-time config stuff
+#define DEIMOS_OS_WIN32 1 // NOLINT
+
 #include "deimos/core/std.h"
 #include "deimos/core/gsl.h"
 
diff --git a/deimos/core/os.h b/deimos/core/os.h
index c440555..d310185 100644
--- a/deimos/core/os.h
+++ b/deimos/core/os.h
@@ -64,6 +64,11 @@ public:
     virtual void Update(OsWindow*) = 0;
 
     virtual bool QuitRequested(const OsWindow*) = 0;
+
+#if DEIMOS_OS_WIN32
+    virtual void* Win32Hwnd(const OsWindow*) = 0;
+    virtual void* Win32Hinstance(const OsWindow*) = 0;
+#endif
 };
 
 class OsApi
diff --git a/deimos/core/os_win32.cpp b/deimos/core/os_win32.cpp
index e80a1d5..84fc3a3 100644
--- a/deimos/core/os_win32.cpp
+++ b/deimos/core/os_win32.cpp
@@ -95,6 +95,7 @@ class Win32WindowApiImpl : public OsWindowApi
 {
     static constexpr wchar_t kClassName[] = L"Deimos window class";
     
+    HINSTANCE    m_hinstance;
     Allocator*   m_allocator;
     bool         m_class_registered = false;
 
@@ -134,7 +135,7 @@ class Win32WindowApiImpl : public OsWindowApi
 
         WNDCLASSW wnd_class{};
         wnd_class.lpfnWndProc   = WindowProc;
-        wnd_class.hInstance     = ::GetModuleHandleW(nullptr);
+        wnd_class.hInstance     = m_hinstance;
         wnd_class.lpszClassName = kClassName;
 
         ::RegisterClassW(&wnd_class);
@@ -144,6 +145,7 @@ class Win32WindowApiImpl : public OsWindowApi
     
 public:
     explicit Win32WindowApiImpl(Allocator* allocator) :
+        m_hinstance{::GetModuleHandleW(nullptr)},
         m_allocator{allocator}
     {}
     
@@ -163,7 +165,7 @@ public:
         HWND hwnd = ::CreateWindowExW(
             0, kClassName, title_w, WS_OVERLAPPEDWINDOW,
             CW_USEDEFAULT, CW_USEDEFAULT, width, height,
-            nullptr, nullptr, ::GetModuleHandle(nullptr), window);
+            nullptr, nullptr, m_hinstance, window);
 
         if (hwnd == nullptr)
         {
@@ -192,6 +194,18 @@ public:
     {
         return window->quit_requested;
     }
+    
+#if DEIMOS_OS_WIN32
+    void* Win32Hwnd(const OsWindow* window) override
+    {
+        return std::bit_cast<void*>(window->hwnd);
+    }
+    
+    void* Win32Hinstance(const OsWindow*) override
+    {
+        return std::bit_cast<void*>(m_hinstance);
+    }
+#endif
 };
 
 class Win32OsApiImpl : public OsApi
-- 
cgit