From c27844be9db4862d52b1d1e523d1113929a96d5d Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 5 Sep 2023 12:24:45 +0300
Subject: [PATCH] Do not use wglext.h

It does not exist in the Windows SDK.  Instead add manual definitions
for what we need.
---
 source/graphics/wgl/glcontext.cpp | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/source/graphics/wgl/glcontext.cpp b/source/graphics/wgl/glcontext.cpp
index 5a13dc4..f04f664 100644
--- a/source/graphics/wgl/glcontext.cpp
+++ b/source/graphics/wgl/glcontext.cpp
@@ -2,13 +2,29 @@
 #include <vector>
 #include <windows.h>
 #include <GL/gl.h>
-#include <GL/wglext.h>
 #include <msp/strings/lexicalcast.h>
 #include <msp/strings/utils.h>
 #include "window_private.h"
 
 using namespace std;
 
+#ifndef WGL_ARB_create_context
+using PFNWGLCREATECONTEXTATTRIBSARBPROC = HGLRC (WINAPI *)(HDC, HGLRC, const int *);
+#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 2
+#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
+#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
+#define WGL_CONTEXT_FLAGS_ARB 0x2094
+#endif
+
+#ifndef WGL_ARB_create_context_profile
+#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
+#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 1
+#endif
+
+#ifndef WGL_EXT_swap_control
+using PFNWGLSWAPINTERVALEXTPROC = BOOL (WINAPI *)(int);
+#endif
+
 namespace {
 
 template<typename T>
-- 
2.45.2