Merge branch 'master'

CONTRIBUTORS.md

@@ -44,6 +44,7 @@ video tutorials.
  - Noel Cower
  - CuriouserThing
  - Jason Daly
+ - danhambleton
  - Jarrod Davis
  - Olivier Delannoy
  - Paul R. Deppe

README.md

@@ -176,6 +176,8 @@ information on what to include when reporting a bug.
  - Bugfix: Gamepad mapping updates could spam `GLFW_INVALID_VALUE` due to
    incompatible controllers sharing hardware ID (#1763)
  - Bugfix: Native access functions for context handles did not check that the API matched
+ - Bugfix: `glfwMakeContextCurrent` would access TLS slot before initialization
+ - Bugfix: `glfwSetGammaRamp` could emit `GLFW_INVALID_VALUE` before initialization
  - [Win32] Added the `GLFW_WIN32_KEYBOARD_MENU` window hint for enabling access
            to the window menu
  - [Win32] Added a version info resource to the GLFW DLL
@@ -219,6 +221,7 @@ information on what to include when reporting a bug.
  - [Win32] Bugfix: `GLFW_KEY_PAUSE` scancode from `glfwGetKeyScancode` did not
    match event scancode (#1993)
  - [Win32] Bugfix: Instance-local operations used executable instance (#469,#1296,#1395)
+ - [Win32] Bugfix: The OSMesa library was not unloaded on termination
  - [Cocoa] Added support for `VK_EXT_metal_surface` (#1619)
  - [Cocoa] Added locating the Vulkan loader at runtime in an application bundle
  - [Cocoa] Moved main menu creation to GLFW initialization time (#1649)
@@ -250,6 +253,7 @@ information on what to include when reporting a bug.
  - [Cocoa] Bugfix: `kIOMasterPortDefault` was deprecated in macOS 12.0 (#1980)
  - [Cocoa] Bugfix: `kUTTypeURL` was deprecated in macOS 12.0 (#2003)
  - [Cocoa] Bugfix: A connected Apple AirPlay would emit a useless error (#1791)
+ - [Cocoa] Bugfix: The EGL and OSMesa libraries were not unloaded on termination
  - [X11] Bugfix: The CMake files did not check for the XInput headers (#1480)
  - [X11] Bugfix: Key names were not updated when the keyboard layout changed
    (#1462,#1528)
@@ -289,6 +293,8 @@ information on what to include when reporting a bug.
    (#379,#1281,#1285,#2033)
  - [X11] Bugfix: Dynamic loading on NetBSD failed due to soname differences
  - [X11] Bugfix: Left shift of int constant relied on undefined behavior (#1951)
+ - [X11] Bugfix: The OSMesa libray was not unloaded on termination
+ - [X11] Bugfix: A malformed response during selection transfer could cause a segfault
  - [Wayland] Added dynamic loading of all Wayland libraries
  - [Wayland] Added support for key names via xkbcommon
  - [Wayland] Added support for file path drop events (#2040)
@@ -322,6 +328,8 @@ information on what to include when reporting a bug.
  - [Wayland] Bugfix: Some errors would cause clipboard string transfer to hang
  - [Wayland] Bugfix: Drag and drop data was misinterpreted as clipboard string
  - [Wayland] Bugfix: MIME type matching was not performed for clipboard string
+ - [Wayland] Bugfix: The OSMesa library was not unloaded on termination
+ - [Wayland] Bugfix: `glfwCreateWindow` could emit `GLFW_FEATURE_UNAVAILABLE`
  - [POSIX] Removed use of deprecated function `gettimeofday`
  - [POSIX] Bugfix: `CLOCK_MONOTONIC` was not correctly tested for or enabled
  - [WGL] Disabled the DWM swap interval hack for Windows 8 and later (#1072)

examples/CMakeLists.txt

@@ -50,11 +50,6 @@ set_target_properties(${GUI_ONLY_BINARIES} ${CONSOLE_BINARIES} PROPERTIES
                       C_STANDARD 99
                       FOLDER "GLFW3/Examples")
 
-if (GLFW_USE_OSMESA)
-    find_package(OSMesa REQUIRED)
-    target_compile_definitions(offscreen PRIVATE USE_NATIVE_OSMESA)
-endif()
-
 if (MSVC)
     # Tell MSVC to use main instead of WinMain
     set_target_properties(${GUI_ONLY_BINARIES} PROPERTIES

examples/offscreen.c

@@ -28,11 +28,6 @@
 #define GLFW_INCLUDE_NONE
 #include <GLFW/glfw3.h>
 
-#if USE_NATIVE_OSMESA
- #define GLFW_EXPOSE_NATIVE_OSMESA
- #include <GLFW/glfw3native.h>
-#endif
-
 #include "linmath.h"
 
 #include <stdlib.h>
@@ -151,12 +146,8 @@ int main(void)
     glDrawArrays(GL_TRIANGLES, 0, 3);
     glFinish();
 
-#if USE_NATIVE_OSMESA
-    glfwGetOSMesaColorBuffer(window, &width, &height, NULL, (void**) &buffer);
-#else
     buffer = calloc(4, width * height);
     glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
-#endif
 
     // Write image Y-flipped because OpenGL
     stbi_write_png("offscreen.png",
@@ -164,11 +155,7 @@ int main(void)
                    buffer + (width * 4 * (height - 1)),
                    -width * 4);
 
-#if USE_NATIVE_OSMESA
-    // Here is where there's nothing
-#else
     free(buffer);
-#endif
 
     glfwDestroyWindow(window);
 

include/GLFW/glfw3.h

@@ -262,13 +262,12 @@ extern "C" {
  /* We are building GLFW as a Win32 DLL */
  #define GLFWAPI __declspec(dllexport)
 #elif defined(_WIN32) && defined(GLFW_DLL)
- /* We are calling GLFW as a Win32 DLL */
+ /* We are calling a GLFW Win32 DLL */
  #define GLFWAPI __declspec(dllimport)
 #elif defined(__GNUC__) && defined(_GLFW_BUILD_DLL)
- /* We are building GLFW as a shared / dynamic library */
+ /* We are building GLFW as a Unix shared library */
  #define GLFWAPI __attribute__((visibility("default")))
 #else
- /* We are building or calling GLFW as a static library */
  #define GLFWAPI
 #endif
 
@@ -6543,6 +6542,7 @@ GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance, GLFWwindow* window
  */
 #ifndef GLAPIENTRY
  #define GLAPIENTRY APIENTRY
+ #define GLFW_GLAPIENTRY_DEFINED
 #endif
 
 /* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */

include/GLFW/glfw3native.h

@@ -116,7 +116,10 @@ extern "C" {
   * default it also acts as an OpenGL header
   * However, glx.h will include gl.h, which will define it unconditionally
   */
- #undef GLAPIENTRY
+ #if defined(GLFW_GLAPIENTRY_DEFINED)
+  #undef GLAPIENTRY
+  #undef GLFW_GLAPIENTRY_DEFINED
+ #endif
  #include <GL/glx.h>
 #endif
 #if defined(GLFW_EXPOSE_NATIVE_EGL)
@@ -127,7 +130,10 @@ extern "C" {
   * default it also acts as an OpenGL header
   * However, osmesa.h will include gl.h, which will define it unconditionally
   */
- #undef GLAPIENTRY
+ #if defined(GLFW_GLAPIENTRY_DEFINED)
+  #undef GLAPIENTRY
+  #undef GLFW_GLAPIENTRY_DEFINED
+ #endif
  #include <GL/osmesa.h>
 #endif
 
@@ -486,6 +492,9 @@ GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* window);
  *
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED.
  *
+ *  @remark Because EGL is initialized on demand, this function will return
+ *  `EGL_NO_DISPLAY` until the first context has been created via EGL.
+ *
  *  @thread_safety This function may be called from any thread.  Access is not
  *  synchronized.
  *

src/cocoa_init.m

@@ -677,6 +677,8 @@ void _glfwTerminateCocoa(void)
     _glfw_free(_glfw.ns.clipboardString);
 
     _glfwTerminateNSGL();
+    _glfwTerminateEGL();
+    _glfwTerminateOSMesa();
 
     } // autoreleasepool
 }

src/cocoa_window.m

@@ -931,13 +931,31 @@ int _glfwCreateWindowCocoa(_GLFWwindow* window,
             if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
                 return GLFW_FALSE;
         }
+
+        if (!_glfwRefreshContextAttribs(window, ctxconfig))
+            return GLFW_FALSE;
     }
 
+    if (wndconfig->mousePassthrough)
+        _glfwSetWindowMousePassthroughCocoa(window, GLFW_TRUE);
+
     if (window->monitor)
     {
         _glfwShowWindowCocoa(window);
         _glfwFocusWindowCocoa(window);
         acquireMonitor(window);
+
+        if (wndconfig->centerCursor)
+            _glfwCenterCursorInContentArea(window);
+    }
+    else
+    {
+        if (wndconfig->visible)
+        {
+            _glfwShowWindowCocoa(window);
+            if (wndconfig->focused)
+                _glfwFocusWindowCocoa(window);
+        }
     }
 
     return GLFW_TRUE;

src/context.c

@@ -609,11 +609,12 @@ GLFWbool _glfwStringInExtensionString(const char* string, const char* extensions
 GLFWAPI void glfwMakeContextCurrent(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
-    _GLFWwindow* previous = _glfwPlatformGetTls(&_glfw.contextSlot);
+    _GLFWwindow* previous;
 
     _GLFW_REQUIRE_INIT();
 
     _glfwPlatformSetTls(&_glfw.usercontextSlot, NULL);
+    previous = _glfwPlatformGetTls(&_glfw.contextSlot);
 
     if (window && window->context.client == GLFW_NO_API)
     {

src/monitor.c

@@ -522,6 +522,8 @@ GLFWAPI void glfwSetGammaRamp(GLFWmonitor* handle, const GLFWgammaramp* ramp)
     assert(ramp->green != NULL);
     assert(ramp->blue != NULL);
 
+    _GLFW_REQUIRE_INIT();
+
     if (ramp->size <= 0)
     {
         _glfwInputError(GLFW_INVALID_VALUE,
@@ -530,8 +532,6 @@ GLFWAPI void glfwSetGammaRamp(GLFWmonitor* handle, const GLFWgammaramp* ramp)
         return;
     }
 
-    _GLFW_REQUIRE_INIT();
-
     if (!monitor->originalRamp.size)
     {
         if (!_glfw.platform.getGammaRamp(monitor, &monitor->originalRamp))

src/null_window.c

@@ -128,13 +128,31 @@ int _glfwCreateWindowNull(_GLFWwindow* window,
             if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
                 return GLFW_FALSE;
         }
+
+        if (!_glfwRefreshContextAttribs(window, ctxconfig))
+            return GLFW_FALSE;
     }
 
+    if (wndconfig->mousePassthrough)
+        _glfwSetWindowMousePassthroughNull(window, GLFW_TRUE);
+
     if (window->monitor)
     {
         _glfwShowWindowNull(window);
         _glfwFocusWindowNull(window);
         acquireMonitor(window);
+
+        if (wndconfig->centerCursor)
+            _glfwCenterCursorInContentArea(window);
+    }
+    else
+    {
+        if (wndconfig->visible)
+        {
+            _glfwShowWindowNull(window);
+            if (wndconfig->focused)
+                _glfwFocusWindowNull(window);
+        }
     }
 
     return GLFW_TRUE;

src/platform.h

@@ -95,30 +95,6 @@
  #define GLFW_LINUX_LIBRARY_JOYSTICK_STATE
 #endif
 
-#if defined(_WIN32)
- #include "win32_thread.h"
- #define GLFW_POSIX_TLS_STATE
- #define GLFW_POSIX_MUTEX_STATE
-#else
- #include "posix_thread.h"
- #define GLFW_WIN32_TLS_STATE
- #define GLFW_WIN32_MUTEX_STATE
-#endif
-
-#if defined(_WIN32)
- #include "win32_time.h"
- #define GLFW_POSIX_LIBRARY_TIMER_STATE
- #define GLFW_COCOA_LIBRARY_TIMER_STATE
-#elif defined(__APPLE__)
- #include "cocoa_time.h"
- #define GLFW_WIN32_LIBRARY_TIMER_STATE
- #define GLFW_POSIX_LIBRARY_TIMER_STATE
-#else
- #include "posix_time.h"
- #define GLFW_WIN32_LIBRARY_TIMER_STATE
- #define GLFW_COCOA_LIBRARY_TIMER_STATE
-#endif
-
 #define GLFW_PLATFORM_WINDOW_STATE \
         GLFW_WIN32_WINDOW_STATE \
         GLFW_COCOA_WINDOW_STATE \
@@ -145,14 +121,6 @@
         GLFW_COCOA_JOYSTICK_STATE \
         GLFW_LINUX_JOYSTICK_STATE
 
-#define GLFW_PLATFORM_TLS_STATE \
-        GLFW_WIN32_TLS_STATE \
-        GLFW_POSIX_TLS_STATE \
-
-#define GLFW_PLATFORM_MUTEX_STATE \
-        GLFW_WIN32_MUTEX_STATE \
-        GLFW_POSIX_MUTEX_STATE \
-
 #define GLFW_PLATFORM_LIBRARY_WINDOW_STATE \
         GLFW_WIN32_LIBRARY_WINDOW_STATE \
         GLFW_COCOA_LIBRARY_WINDOW_STATE \
@@ -165,11 +133,6 @@
         GLFW_COCOA_LIBRARY_JOYSTICK_STATE \
         GLFW_LINUX_LIBRARY_JOYSTICK_STATE
 
-#define GLFW_PLATFORM_LIBRARY_TIMER_STATE \
-        GLFW_WIN32_LIBRARY_TIMER_STATE \
-        GLFW_COCOA_LIBRARY_TIMER_STATE \
-        GLFW_POSIX_LIBRARY_TIMER_STATE \
-
 #define GLFW_PLATFORM_CONTEXT_STATE \
         GLFW_WGL_CONTEXT_STATE \
         GLFW_NSGL_CONTEXT_STATE \
@@ -184,3 +147,24 @@
         GLFW_WGL_USER_CONTEXT_STATE \
         GLFW_NSGL_USER_CONTEXT_STATE \
         GLFW_GLX_USER_CONTEXT_STATE
+
+#if defined(_WIN32)
+ #include "win32_thread.h"
+ #define GLFW_PLATFORM_TLS_STATE    GLFW_WIN32_TLS_STATE
+ #define GLFW_PLATFORM_MUTEX_STATE  GLFW_WIN32_MUTEX_STATE
+#else
+ #include "posix_thread.h"
+ #define GLFW_PLATFORM_TLS_STATE    GLFW_POSIX_TLS_STATE
+ #define GLFW_PLATFORM_MUTEX_STATE  GLFW_POSIX_MUTEX_STATE
+#endif
+
+#if defined(_WIN32)
+ #include "win32_time.h"
+ #define GLFW_PLATFORM_LIBRARY_TIMER_STATE  GLFW_WIN32_LIBRARY_TIMER_STATE
+#elif defined(__APPLE__)
+ #include "cocoa_time.h"
+ #define GLFW_PLATFORM_LIBRARY_TIMER_STATE  GLFW_COCOA_LIBRARY_TIMER_STATE
+#else
+ #include "posix_time.h"
+ #define GLFW_PLATFORM_LIBRARY_TIMER_STATE  GLFW_POSIX_LIBRARY_TIMER_STATE
+#endif

src/win32_init.c

@@ -502,6 +502,8 @@ void _glfwUpdateKeyNamesWin32(void)
 
         if (length == -1)
         {
+            // This is a dead key, so we need a second simulated key press
+            // to make it output its own character (usually a diacritic)
             length = ToUnicode(vk, scancode, state,
                                chars, sizeof(chars) / sizeof(WCHAR),
                                0);
@@ -671,6 +673,7 @@ void _glfwTerminateWin32(void)
 
     _glfwTerminateWGL();
     _glfwTerminateEGL();
+    _glfwTerminateOSMesa();
 
     freeLibraries();
 }

src/win32_joystick.c

@@ -607,7 +607,7 @@ int _glfwPollJoystickWin32(_GLFWjoystick* js, int mode)
     {
         int i, ai = 0, bi = 0, pi = 0;
         HRESULT result;
-        DIJOYSTATE state;
+        DIJOYSTATE state = {0};
 
         IDirectInputDevice8_Poll(js->win32.device);
         result = IDirectInputDevice8_GetDeviceState(js->win32.device,

src/win32_window.c

@@ -1284,15 +1284,16 @@ static int createNativeWindow(_GLFWwindow* window,
 
     if (window->monitor)
     {
-        GLFWvidmode mode;
+        MONITORINFO mi = { sizeof(mi) };
+        GetMonitorInfoW(window->monitor->win32.handle, &mi);
 
         // NOTE: This window placement is temporary and approximate, as the
         //       correct position and size cannot be known until the monitor
         //       video mode has been picked in _glfwSetVideoModeWin32
-        _glfwGetMonitorPosWin32(window->monitor, &xpos, &ypos);
-        _glfwGetVideoModeWin32(window->monitor, &mode);
-        fullWidth  = mode.width;
-        fullHeight = mode.height;
+        xpos = mi.rcMonitor.left;
+        ypos = mi.rcMonitor.top;
+        fullWidth  = mi.rcMonitor.right - mi.rcMonitor.left;
+        fullHeight = mi.rcMonitor.bottom - mi.rcMonitor.top;
     }
     else
     {
@@ -1428,7 +1429,7 @@ GLFWbool _glfwRegisterWindowClassWin32(void)
     ZeroMemory(&wc, sizeof(wc));
     wc.cbSize        = sizeof(wc);
     wc.style         = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
-    wc.lpfnWndProc   = (WNDPROC) windowProc;
+    wc.lpfnWndProc   = windowProc;
     wc.hInstance     = _glfw.win32.instance;
     wc.hCursor       = LoadCursorW(NULL, IDC_ARROW);
     wc.lpszClassName = _GLFW_WNDCLASSNAME;
@@ -1493,14 +1494,32 @@ int _glfwCreateWindowWin32(_GLFWwindow* window,
             if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
                 return GLFW_FALSE;
         }
+
+        if (!_glfwRefreshContextAttribs(window, ctxconfig))
+            return GLFW_FALSE;
     }
 
+    if (wndconfig->mousePassthrough)
+        _glfwSetWindowMousePassthroughWin32(window, GLFW_TRUE);
+
     if (window->monitor)
     {
         _glfwShowWindowWin32(window);
         _glfwFocusWindowWin32(window);
         acquireMonitor(window);
         fitToMonitor(window);
+
+        if (wndconfig->centerCursor)
+            _glfwCenterCursorInContentArea(window);
+    }
+    else
+    {
+        if (wndconfig->visible)
+        {
+            _glfwShowWindowWin32(window);
+            if (wndconfig->focused)
+                _glfwFocusWindowWin32(window);
+        }
     }
 
     return GLFW_TRUE;

src/window.c

@@ -215,40 +215,12 @@ GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height,
     window->numer       = GLFW_DONT_CARE;
     window->denom       = GLFW_DONT_CARE;
 
-    // Open the actual window and create its context
     if (!_glfw.platform.createWindow(window, &wndconfig, &ctxconfig, &fbconfig))
     {
         glfwDestroyWindow((GLFWwindow*) window);
         return NULL;
     }
 
-    if (ctxconfig.client != GLFW_NO_API)
-    {
-        if (!_glfwRefreshContextAttribs(window, &ctxconfig))
-        {
-            glfwDestroyWindow((GLFWwindow*) window);
-            return NULL;
-        }
-    }
-
-    if (wndconfig.mousePassthrough)
-        _glfw.platform.setWindowMousePassthrough(window, GLFW_TRUE);
-
-    if (window->monitor)
-    {
-        if (wndconfig.centerCursor)
-            _glfwCenterCursorInContentArea(window);
-    }
-    else
-    {
-        if (wndconfig.visible)
-        {
-            _glfw.platform.showWindow(window);
-            if (wndconfig.focused)
-                _glfw.platform.focusWindow(window);
-        }
-    }
-
     return (GLFWwindow*) window;
 }
 

src/wl_init.c

@@ -47,13 +47,38 @@
 #include "wayland-pointer-constraints-unstable-v1-client-protocol.h"
 #include "wayland-idle-inhibit-unstable-v1-client-protocol.h"
 
+// NOTE: Versions of wayland-scanner prior to 1.17.91 named every global array of
+//       wl_interface pointers 'types', making it impossible to combine several unmodified
+//       private-code files into a single compilation unit
+// HACK: We override this name with a macro for each file, allowing them to coexist
+
+#define types _glfw_wayland_types
 #include "wayland-client-protocol-code.h"
+#undef types
+
+#define types _glfw_xdg_shell_types
 #include "wayland-xdg-shell-client-protocol-code.h"
+#undef types
+
+#define types _glfw_xdg_decoration_types
 #include "wayland-xdg-decoration-client-protocol-code.h"
+#undef types
+
+#define types _glfw_viewporter_types
 #include "wayland-viewporter-client-protocol-code.h"
+#undef types
+
+#define types _glfw_relative_pointer_types
 #include "wayland-relative-pointer-unstable-v1-client-protocol-code.h"
+#undef types
+
+#define types _glfw_pointer_constraints_types
 #include "wayland-pointer-constraints-unstable-v1-client-protocol-code.h"
+#undef types
+
+#define types _glfw_idle_inhibit_types
 #include "wayland-idle-inhibit-unstable-v1-client-protocol-code.h"
+#undef types
 
 static void wmBaseHandlePing(void* userData,
                              struct xdg_wm_base* wmBase,
@@ -664,6 +689,8 @@ int _glfwInitWayland(void)
 void _glfwTerminateWayland(void)
 {
     _glfwTerminateEGL();
+    _glfwTerminateOSMesa();
+
     if (_glfw.wl.egl.handle)
     {
         _glfwPlatformFreeModule(_glfw.wl.egl.handle);

src/wl_window.c

@@ -1730,8 +1730,14 @@ int _glfwCreateWindowWayland(_GLFWwindow* window,
             if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
                 return GLFW_FALSE;
         }
+
+        if (!_glfwRefreshContextAttribs(window, ctxconfig))
+            return GLFW_FALSE;
     }
 
+    if (wndconfig->mousePassthrough)
+        _glfwSetWindowMousePassthroughWayland(window, GLFW_TRUE);
+
     return GLFW_TRUE;
 }
 

src/x11_init.c

@@ -1631,6 +1631,7 @@ void _glfwTerminateX11(void)
         _glfw.x11.xi.handle = NULL;
     }
 
+    _glfwTerminateOSMesa();
     // NOTE: These need to be unloaded after XCloseDisplay, as they register
     //       cleanup callbacks that get called by that function
     _glfwTerminateEGL();

src/x11_window.c

@@ -865,20 +865,6 @@ static Atom writeTargetToProperty(const XSelectionRequestEvent* request)
     return None;
 }
 
-static void handleSelectionClear(XEvent* event)
-{
-    if (event->xselectionclear.selection == _glfw.x11.PRIMARY)
-    {
-        _glfw_free(_glfw.x11.primarySelectionString);
-        _glfw.x11.primarySelectionString = NULL;
-    }
-    else
-    {
-        _glfw_free(_glfw.x11.clipboardString);
-        _glfw.x11.clipboardString = NULL;
-    }
-}
-
 static void handleSelectionRequest(XEvent* event)
 {
     const XSelectionRequestEvent* request = &event->xselectionrequest;
@@ -999,13 +985,16 @@ static const char* getSelectionString(Atom selection)
 
                 if (!itemCount)
                 {
-                    if (targets[i] == XA_STRING)
+                    if (string)
                     {
-                        *selectionString = convertLatin1toUTF8(string);
-                        _glfw_free(string);
+                        if (targets[i] == XA_STRING)
+                        {
+                            *selectionString = convertLatin1toUTF8(string);
+                            _glfw_free(string);
+                        }
+                        else
+                            *selectionString = string;
                     }
-                    else
-                        *selectionString = string;
 
                     break;
                 }
@@ -1171,12 +1160,7 @@ static void processEvent(XEvent *event)
         return;
     }
 
-    if (event->type == SelectionClear)
-    {
-        handleSelectionClear(event);
-        return;
-    }
-    else if (event->type == SelectionRequest)
+    if (event->type == SelectionRequest)
     {
         handleSelectionRequest(event);
         return;
@@ -1853,10 +1837,6 @@ void _glfwPushSelectionToManagerX11(void)
                     handleSelectionRequest(&event);
                     break;
 
-                case SelectionClear:
-                    handleSelectionClear(&event);
-                    break;
-
                 case SelectionNotify:
                 {
                     if (event.xselection.target == _glfw.x11.SAVE_TARGETS)
@@ -1972,13 +1952,31 @@ int _glfwCreateWindowX11(_GLFWwindow* window,
             if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
                 return GLFW_FALSE;
         }
+
+        if (!_glfwRefreshContextAttribs(window, ctxconfig))
+            return GLFW_FALSE;
     }
 
+    if (wndconfig->mousePassthrough)
+        _glfwSetWindowMousePassthroughX11(window, GLFW_TRUE);
+
     if (window->monitor)
     {
         _glfwShowWindowX11(window);
         updateWindowMode(window);
         acquireMonitor(window);
+
+        if (wndconfig->centerCursor)
+            _glfwCenterCursorInContentArea(window);
+    }
+    else
+    {
+        if (wndconfig->visible)
+        {
+            _glfwShowWindowX11(window);
+            if (wndconfig->focused)
+                _glfwFocusWindowX11(window);
+        }
     }
 
     XFlush(_glfw.x11.display);