diff --git a/src/cocoa_init.m b/src/cocoa_init.m
index d3aec5e7..59943211 100644
--- a/src/cocoa_init.m
+++ b/src/cocoa_init.m
@@ -325,9 +325,6 @@ int _glfwPlatformInit(void)
     if (!_glfwInitThreadLocalStoragePOSIX())
         return GLFW_FALSE;
 
-    if (!_glfwInitNSGL())
-        return GLFW_FALSE;
-
     _glfwInitTimerNS();
     _glfwInitJoysticksNS();
 
diff --git a/src/cocoa_window.m b/src/cocoa_window.m
index 5643061f..09d2ca22 100644
--- a/src/cocoa_window.m
+++ b/src/cocoa_window.m
@@ -1034,6 +1034,8 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
     {
         if (ctxconfig->source == GLFW_NATIVE_CONTEXT_API)
         {
+            if (!_glfwInitNSGL())
+                return GLFW_FALSE;
             if (!_glfwCreateContextNSGL(window, ctxconfig, fbconfig))
                 return GLFW_FALSE;
         }
diff --git a/src/egl_context.c b/src/egl_context.c
index 7b75d127..7583fac9 100644
--- a/src/egl_context.c
+++ b/src/egl_context.c
@@ -296,6 +296,9 @@ GLFWbool _glfwInitEGL(void)
         NULL
     };
 
+    if (_glfw.egl.handle)
+        return GLFW_TRUE;
+
     for (i = 0;  sonames[i];  i++)
     {
         _glfw.egl.handle = _glfw_dlopen(sonames[i]);
@@ -358,6 +361,8 @@ GLFWbool _glfwInitEGL(void)
     {
         _glfwInputError(GLFW_PLATFORM_ERROR,
                         "EGL: Failed to load required entry points");
+
+        _glfwTerminateEGL();
         return GLFW_FALSE;
     }
 
diff --git a/src/glx_context.c b/src/glx_context.c
index a3deefcf..251b7fc4 100644
--- a/src/glx_context.c
+++ b/src/glx_context.c
@@ -253,6 +253,9 @@ GLFWbool _glfwInitGLX(void)
         NULL
     };
 
+    if (_glfw.glx.handle)
+        return GLFW_TRUE;
+
     for (i = 0;  sonames[i];  i++)
     {
         _glfw.glx.handle = dlopen(sonames[i], RTLD_LAZY | RTLD_GLOBAL);
diff --git a/src/mir_init.c b/src/mir_init.c
index 3f649670..3076f5f3 100644
--- a/src/mir_init.c
+++ b/src/mir_init.c
@@ -183,9 +183,6 @@ int _glfwPlatformInit(void)
     if (!_glfwInitThreadLocalStoragePOSIX())
         return GLFW_FALSE;
 
-    if (!_glfwInitEGL())
-        return GLFW_FALSE;
-
     if (!_glfwInitJoysticksLinux())
         return GLFW_FALSE;
 
diff --git a/src/mir_window.c b/src/mir_window.c
index b9b5752b..5380a884 100644
--- a/src/mir_window.c
+++ b/src/mir_window.c
@@ -379,6 +379,8 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
 
     if (ctxconfig->client != GLFW_NO_API)
     {
+        if (!_glfwInitEGL())
+            return GLFW_FALSE;
         if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
             return GLFW_FALSE;
     }
diff --git a/src/nsgl_context.m b/src/nsgl_context.m
index 64729009..22ebdba9 100644
--- a/src/nsgl_context.m
+++ b/src/nsgl_context.m
@@ -92,6 +92,9 @@ static void destroyContextNSGL(_GLFWwindow* window)
 //
 GLFWbool _glfwInitNSGL(void)
 {
+    if (_glfw.nsgl.framework)
+        return GLFW_TRUE;
+
     _glfw.nsgl.framework =
         CFBundleGetBundleWithIdentifier(CFSTR("com.apple.opengl"));
     if (_glfw.nsgl.framework == NULL)
diff --git a/src/wgl_context.c b/src/wgl_context.c
index 6f7ee85e..c3af4675 100644
--- a/src/wgl_context.c
+++ b/src/wgl_context.c
@@ -424,6 +424,9 @@ static void loadWGLExtensions(void)
 //
 GLFWbool _glfwInitWGL(void)
 {
+    if (_glfw.wgl.instance)
+        return GLFW_TRUE;
+
     _glfw.wgl.instance = LoadLibraryA("opengl32.dll");
     if (!_glfw.wgl.instance)
     {
diff --git a/src/win32_init.c b/src/win32_init.c
index 681954cb..e7dcb04e 100644
--- a/src/win32_init.c
+++ b/src/win32_init.c
@@ -425,10 +425,6 @@ int _glfwPlatformInit(void)
 
     _glfwPlatformPollEvents();
 
-    if (!_glfwInitWGL())
-        return GLFW_FALSE;
-
-    _glfwInitEGL();
     _glfwInitTimerWin32();
     _glfwInitJoysticksWin32();
 
diff --git a/src/win32_window.c b/src/win32_window.c
index b9bb6899..b2503823 100644
--- a/src/win32_window.c
+++ b/src/win32_window.c
@@ -993,11 +993,15 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
     {
         if (ctxconfig->source == GLFW_NATIVE_CONTEXT_API)
         {
+            if (!_glfwInitWGL())
+                return GLFW_FALSE;
             if (!_glfwCreateContextWGL(window, ctxconfig, fbconfig))
                 return GLFW_FALSE;
         }
         else
         {
+            if (!_glfwInitEGL())
+                return GLFW_FALSE;
             if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
                 return GLFW_FALSE;
         }
diff --git a/src/wl_init.c b/src/wl_init.c
index 5f6a2e99..44f7d0c8 100644
--- a/src/wl_init.c
+++ b/src/wl_init.c
@@ -600,9 +600,6 @@ int _glfwPlatformInit(void)
     if (!_glfwInitThreadLocalStoragePOSIX())
         return GLFW_FALSE;
 
-    if (!_glfwInitEGL())
-        return GLFW_FALSE;
-
     if (!_glfwInitJoysticksLinux())
         return GLFW_FALSE;
 
diff --git a/src/wl_window.c b/src/wl_window.c
index 04cbd997..dc6e0db3 100644
--- a/src/wl_window.c
+++ b/src/wl_window.c
@@ -393,6 +393,8 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
 
     if (ctxconfig->client != GLFW_NO_API)
     {
+        if (!_glfwInitEGL())
+            return GLFW_FALSE;
         if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
             return GLFW_FALSE;
     }
diff --git a/src/x11_init.c b/src/x11_init.c
index c488dc3e..f7a06c1d 100644
--- a/src/x11_init.c
+++ b/src/x11_init.c
@@ -765,13 +765,9 @@ int _glfwPlatformInit(void)
     if (!_glfwInitThreadLocalStoragePOSIX())
         return GLFW_FALSE;
 
-    if (!_glfwInitGLX())
-        return GLFW_FALSE;
-
     if (!_glfwInitJoysticksLinux())
         return GLFW_FALSE;
 
-    _glfwInitEGL();
     _glfwInitTimerPOSIX();
 
     return GLFW_TRUE;
diff --git a/src/x11_window.c b/src/x11_window.c
index 1bcab263..6e89eb11 100644
--- a/src/x11_window.c
+++ b/src/x11_window.c
@@ -1514,11 +1514,15 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
     {
         if (ctxconfig->source == GLFW_NATIVE_CONTEXT_API)
         {
+            if (!_glfwInitGLX())
+                return GLFW_FALSE;
             if (!_glfwChooseVisualGLX(ctxconfig, fbconfig, &visual, &depth))
                 return GLFW_FALSE;
         }
         else
         {
+            if (!_glfwInitEGL())
+                return GLFW_FALSE;
             if (!_glfwChooseVisualEGL(ctxconfig, fbconfig, &visual, &depth))
                 return GLFW_FALSE;
         }