diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f5d6ef6c..4ca8de957 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,6 +30,7 @@ option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
 option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON)
 option(GLFW_INSTALL "Generate installation target" ON)
 option(GLFW_VULKAN_STATIC "Use the Vulkan loader statically linked into application" OFF)
+option(GLFW_OPENGL_SINGLE_GLRC "Build the GLFW to use only a single OpenGL render context" OFF)
 
 if (UNIX)
     option(GLFW_USE_OSMESA "Use OSMesa for offscreen context creation" OFF)
@@ -73,6 +74,10 @@ if (GLFW_BUILD_DOCS)
     find_package(Doxygen)
 endif()
 
+if (GLFW_OPENGL_SINGLE_GLRC)
+    add_definitions(-D_GLFW_OPENGL_SINGLE_GLRC)
+endif()
+
 #--------------------------------------------------------------------
 # Set compiler specific flags
 #--------------------------------------------------------------------
diff --git a/src/internal.h b/src/internal.h
index 92bbfccec..f0777102c 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -341,6 +341,11 @@ struct _GLFWcontext
     int                 profile;
     int                 robustness;
     int                 release;
+#ifdef _GLFW_OPENGL_SINGLE_GLRC
+    // Specifies whether this _GLFWcontext has its own GLRC object.
+    // If not, it must not delete the GLRC object on destruction.
+    GLFWbool            customctx;
+#endif
 
     PFNGLGETSTRINGIPROC GetStringi;
     PFNGLGETINTEGERVPROC GetIntegerv;
diff --git a/src/wgl_context.c b/src/wgl_context.c
index beccb13ed..38748b4f1 100644
--- a/src/wgl_context.c
+++ b/src/wgl_context.c
@@ -324,7 +324,14 @@ static void destroyContextWGL(_GLFWwindow* window)
 {
     if (window->context.wgl.handle)
     {
+#ifdef _GLFW_OPENGL_SINGLE_GLRC
+        if (window->context.customctx)
+        {
+            wglDeleteContext(window->context.wgl.handle);
+        }
+#else
         wglDeleteContext(window->context.wgl.handle);
+#endif
         window->context.wgl.handle = NULL;
     }
 }
@@ -623,9 +630,23 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
 
         setAttrib(0, 0);
 
-        window->context.wgl.handle =
-            _glfw.wgl.CreateContextAttribsARB(window->context.wgl.dc,
-                                              share, attribs);
+#ifdef _GLFW_OPENGL_SINGLE_GLRC
+        if (share)
+        {
+            // Use shared context instead of creating a new one
+            window->context.wgl.handle = share;
+            window->context.customctx = GLFW_FALSE;
+        }
+        else
+        {
+            // Create new GL render context
+            window->context.wgl.handle = _glfw.wgl.CreateContextAttribsARB(window->context.wgl.dc, NULL, attribs);
+            window->context.customctx = GLFW_TRUE;
+        }
+#else
+        window->context.wgl.handle = _glfw.wgl.CreateContextAttribsARB(window->context.wgl.dc, share, attribs);
+#endif
+
         if (!window->context.wgl.handle)
         {
             const DWORD error = GetLastError();