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Polish interaction between windowing, input and rendering

Browse source 
- Adapt GL make/release API to the current architecture.
- Fix DisplayServer being locked while dispatching input (prevent deadlocks).
This commit is contained in:
Pedro J. Estébanez 2024-04-09 11:47:06 +02:00
parent 1b104ffcd8
commit c28f5901c7
22 changed files with 34 additions and 112 deletions
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15
drivers/egl/egl_manager.cpp
View file

@ -260,21 +260,6 @@ void EGLManager::release_current() {
eglMakeCurrent(current_display.egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}
void EGLManager::make_current() {
if (!current_window) {
return;
}
if (!current_window->initialized) {
WARN_PRINT("Current OpenGL window is uninitialized!");
return;
}
GLDisplay &current_display = displays[current_window->gldisplay_id];
eglMakeCurrent(current_display.egl_display, current_window->egl_surface, current_window->egl_surface, current_display.egl_context);
}
void EGLManager::swap_buffers() {
if (!current_window) {
return;

1
drivers/egl/egl_manager.h
View file

@ -98,7 +98,6 @@ public:
void window_destroy(DisplayServer::WindowID p_window_id);
void release_current();
void make_current();
void swap_buffers();
void window_make_current(DisplayServer::WindowID p_window_id);

8
platform/linuxbsd/wayland/display_server_wayland.cpp
View file

@ -1174,14 +1174,6 @@ void DisplayServerWayland::release_rendering_thread() {
#endif
}
void DisplayServerWayland::make_rendering_thread() {
#ifdef GLES3_ENABLED
if (egl_manager) {
egl_manager->make_current();
}
#endif
}
void DisplayServerWayland::swap_buffers() {
#ifdef GLES3_ENABLED
if (egl_manager) {

1
platform/linuxbsd/wayland/display_server_wayland.h
View file

@ -276,7 +276,6 @@ public:
virtual void process_events() override;
virtual void release_rendering_thread() override;
virtual void make_rendering_thread() override;
virtual void swap_buffers() override;
virtual void set_context(Context p_context) override;

15
platform/linuxbsd/x11/display_server_x11.cpp
View file

@ -4268,7 +4268,7 @@ bool DisplayServerX11::_window_focus_check() {
}
void DisplayServerX11::process_events() {
_THREAD_SAFE_METHOD_
_THREAD_SAFE_LOCK_
#ifdef DISPLAY_SERVER_X11_DEBUG_LOGS_ENABLED
static int frame = 0;
@ -5097,6 +5097,8 @@ void DisplayServerX11::process_events() {
*/
}
_THREAD_SAFE_UNLOCK_
Input::get_singleton()->flush_buffered_events();
}
@ -5111,17 +5113,6 @@ void DisplayServerX11::release_rendering_thread() {
#endif
}
void DisplayServerX11::make_rendering_thread() {
#if defined(GLES3_ENABLED)
if (gl_manager) {
gl_manager->make_current();
}
if (gl_manager_egl) {
gl_manager_egl->make_current();
}
#endif
}
void DisplayServerX11::swap_buffers() {
#if defined(GLES3_ENABLED)
if (gl_manager) {

1
platform/linuxbsd/x11/display_server_x11.h
View file

@ -526,7 +526,6 @@ public:
virtual void process_events() override;
virtual void release_rendering_thread() override;
virtual void make_rendering_thread() override;
virtual void swap_buffers() override;
virtual void set_context(Context p_context) override;

14
platform/linuxbsd/x11/gl_manager_x11.cpp
View file

@ -311,20 +311,6 @@ void GLManager_X11::window_make_current(DisplayServer::WindowID p_window_id) {
_internal_set_current_window(&win);
}
void GLManager_X11::make_current() {
if (!_current_window) {
return;
}
if (!_current_window->in_use) {
WARN_PRINT("current window not in use!");
return;
}
const GLDisplay &disp = get_current_display();
if (!glXMakeCurrent(_x_windisp.x11_display, _x_windisp.x11_window, disp.context->glx_context)) {
ERR_PRINT("glXMakeCurrent failed");
}
}
void GLManager_X11::swap_buffers() {
if (!_current_window) {
return;

1
platform/linuxbsd/x11/gl_manager_x11.h
View file

@ -117,7 +117,6 @@ public:
void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height);
void release_current();
void make_current();
void swap_buffers();
void window_make_current(DisplayServer::WindowID p_window_id);

1
platform/macos/display_server_macos.h
View file

@ -426,7 +426,6 @@ public:
virtual void force_process_and_drop_events() override;
virtual void release_rendering_thread() override;
virtual void make_rendering_thread() override;
virtual void swap_buffers() override;
virtual void set_native_icon(const String &p_filename) override;

18
platform/macos/display_server_macos.mm
View file

@ -358,7 +358,6 @@ void DisplayServerMacOS::_dispatch_input_events(const Ref<InputEvent> &p_event)
}
void DisplayServerMacOS::_dispatch_input_event(const Ref<InputEvent> &p_event) {
_THREAD_SAFE_METHOD_
if (!in_dispatch_input_event) {
in_dispatch_input_event = true;
@ -2986,7 +2985,7 @@ Key DisplayServerMacOS::keyboard_get_label_from_physical(Key p_keycode) const {
}
void DisplayServerMacOS::process_events() {
_THREAD_SAFE_METHOD_
_THREAD_SAFE_LOCK_
while (true) {
NSEvent *event = [NSApp
@ -3019,7 +3018,9 @@ void DisplayServerMacOS::process_events() {
if (!drop_events) {
_process_key_events();
_THREAD_SAFE_UNLOCK_
Input::get_singleton()->flush_buffered_events();
_THREAD_SAFE_LOCK_
}
for (KeyValue<WindowID, WindowData> &E : windows) {
@ -3045,6 +3046,8 @@ void DisplayServerMacOS::process_events() {
}
}
}
_THREAD_SAFE_UNLOCK_
}
void DisplayServerMacOS::force_process_and_drop_events() {
@ -3056,9 +3059,14 @@ void DisplayServerMacOS::force_process_and_drop_events() {
}
void DisplayServerMacOS::release_rendering_thread() {
}
void DisplayServerMacOS::make_rendering_thread() {
#if defined(GLES3_ENABLED)
if (gl_manager_angle) {
gl_manager_angle->release_current();
}
if (gl_manager_legacy) {
gl_manager_legacy->release_current();
}
#endif
}
void DisplayServerMacOS::swap_buffers() {

1
platform/macos/gl_manager_macos_legacy.h
View file

@ -73,7 +73,6 @@ public:
void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height);
void release_current();
void make_current();
void swap_buffers();
void window_make_current(DisplayServer::WindowID p_window_id);

13
platform/macos/gl_manager_macos_legacy.mm
View file

@ -117,6 +117,7 @@ void GLManagerLegacy_MacOS::release_current() {
}
[NSOpenGLContext clearCurrentContext];
current_window = DisplayServer::INVALID_WINDOW_ID;
}
void GLManagerLegacy_MacOS::window_make_current(DisplayServer::WindowID p_window_id) {
@ -133,18 +134,6 @@ void GLManagerLegacy_MacOS::window_make_current(DisplayServer::WindowID p_window
current_window = p_window_id;
}
void GLManagerLegacy_MacOS::make_current() {
if (current_window == DisplayServer::INVALID_WINDOW_ID) {
return;
}
if (!windows.has(current_window)) {
return;
}
GLWindow &win = windows[current_window];
[win.context makeCurrentContext];
}
void GLManagerLegacy_MacOS::swap_buffers() {
GLWindow &win = windows[current_window];
[win.context flushBuffer];

17
platform/windows/display_server_windows.cpp
View file

@ -2962,7 +2962,7 @@ String DisplayServerWindows::keyboard_get_layout_name(int p_index) const {
}
void DisplayServerWindows::process_events() {
_THREAD_SAFE_METHOD_
_THREAD_SAFE_LOCK_
MSG msg;
@ -2977,7 +2977,10 @@ void DisplayServerWindows::process_events() {
if (!drop_events) {
_process_key_events();
_THREAD_SAFE_UNLOCK_
Input::get_singleton()->flush_buffered_events();
} else {
_THREAD_SAFE_UNLOCK_
}
}
@ -2990,9 +2993,14 @@ void DisplayServerWindows::force_process_and_drop_events() {
}
void DisplayServerWindows::release_rendering_thread() {
}
void DisplayServerWindows::make_rendering_thread() {
#if defined(GLES3_ENABLED)
if (gl_manager_angle) {
gl_manager_angle->release_current();
}
if (gl_manager_native) {
gl_manager_native->release_current();
}
#endif
}
void DisplayServerWindows::swap_buffers() {
@ -3433,7 +3441,6 @@ void DisplayServerWindows::_dispatch_input_events(const Ref<InputEvent> &p_event
}
void DisplayServerWindows::_dispatch_input_event(const Ref<InputEvent> &p_event) {
_THREAD_SAFE_METHOD_
if (in_dispatch_input_event) {
return;
}

1
platform/windows/display_server_windows.h
View file

@ -679,7 +679,6 @@ public:
virtual void force_process_and_drop_events() override;
virtual void release_rendering_thread() override;
virtual void make_rendering_thread() override;
virtual void swap_buffers() override;
virtual void set_native_icon(const String &p_filename) override;

24
platform/windows/gl_manager_windows_native.cpp
View file

@ -427,10 +427,6 @@ Error GLManagerNative_Windows::window_create(DisplayServer::WindowID p_window_id
return OK;
}
void GLManagerNative_Windows::_internal_set_current_window(GLWindow *p_win) {
_current_window = p_win;
}
void GLManagerNative_Windows::window_destroy(DisplayServer::WindowID p_window_id) {
GLWindow &win = get_window(p_window_id);
if (_current_window == &win) {
@ -447,6 +443,8 @@ void GLManagerNative_Windows::release_current() {
if (!gd_wglMakeCurrent(_current_window->hDC, nullptr)) {
ERR_PRINT("Could not detach OpenGL context from window marked current: " + format_error_message(GetLastError()));
}
_current_window = nullptr;
}
void GLManagerNative_Windows::window_make_current(DisplayServer::WindowID p_window_id) {
@ -467,17 +465,7 @@ void GLManagerNative_Windows::window_make_current(DisplayServer::WindowID p_wind
ERR_PRINT("Could not switch OpenGL context to other window: " + format_error_message(GetLastError()));
}
_internal_set_current_window(&win);
}
void GLManagerNative_Windows::make_current() {
if (!_current_window) {
return;
}
const GLDisplay &disp = get_current_display();
if (!gd_wglMakeCurrent(_current_window->hDC, disp.hRC)) {
ERR_PRINT("Could not switch OpenGL context to window marked current: " + format_error_message(GetLastError()));
}
_current_window = &win;
}
void GLManagerNative_Windows::swap_buffers() {
@ -491,7 +479,6 @@ Error GLManagerNative_Windows::initialize() {
void GLManagerNative_Windows::set_use_vsync(DisplayServer::WindowID p_window_id, bool p_use) {
GLWindow &win = get_window(p_window_id);
GLWindow *current = _current_window;
if (&win != _current_window) {
window_make_current(p_window_id);
@ -506,11 +493,6 @@ void GLManagerNative_Windows::set_use_vsync(DisplayServer::WindowID p_window_id,
} else {
WARN_PRINT("Could not set V-Sync mode. V-Sync is not supported.");
}
if (current != _current_window) {
_current_window = current;
make_current();
}
}
bool GLManagerNative_Windows::is_using_vsync(DisplayServer::WindowID p_window_id) const {

4
platform/windows/gl_manager_windows_native.h
View file

@ -68,9 +68,6 @@ private:
PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT = nullptr;
// funcs
void _internal_set_current_window(GLWindow *p_win);
GLWindow &get_window(unsigned int id) { return _windows[id]; }
const GLWindow &get_window(unsigned int id) const { return _windows[id]; }
@ -91,7 +88,6 @@ public:
void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height) {}
void release_current();
void make_current();
void swap_buffers();
void window_make_current(DisplayServer::WindowID p_window_id);

1
scene/main/window.cpp
View file

@ -1579,6 +1579,7 @@ bool Window::_can_consume_input_events() const {
}
void Window::_window_input(const Ref<InputEvent> &p_ev) {
ERR_MAIN_THREAD_GUARD;
if (EngineDebugger::is_active()) {
// Quit from game window using the stop shortcut (F8 by default).
// The custom shortcut is provided via environment variable when running from the editor.

4
servers/display_server.cpp
View file

@ -697,10 +697,6 @@ void DisplayServer::release_rendering_thread() {
WARN_PRINT("Rendering thread not supported by this display server.");
}
void DisplayServer::make_rendering_thread() {
WARN_PRINT("Rendering thread not supported by this display server.");
}
void DisplayServer::swap_buffers() {
WARN_PRINT("Swap buffers not supported by this display server.");
}

1
servers/display_server.h
View file

@ -559,7 +559,6 @@ public:
virtual void force_process_and_drop_events();
virtual void release_rendering_thread();
virtual void make_rendering_thread();
virtual void swap_buffers();
virtual void set_native_icon(const String &p_filename);

1
servers/physics_server_2d_wrap_mt.cpp
View file

@ -96,7 +96,6 @@ void PhysicsServer2DWrapMT::end_sync() {
void PhysicsServer2DWrapMT::init() {
if (create_thread) {
//OS::get_singleton()->release_rendering_thread();
thread.start(_thread_callback, this);
while (!step_thread_up.is_set()) {
OS::get_singleton()->delay_usec(1000);

1
servers/physics_server_3d_wrap_mt.cpp
View file

@ -96,7 +96,6 @@ void PhysicsServer3DWrapMT::end_sync() {
void PhysicsServer3DWrapMT::init() {
if (create_thread) {
//OS::get_singleton()->release_rendering_thread();
thread.start(_thread_callback, this);
while (!step_thread_up) {
OS::get_singleton()->delay_usec(1000);

3
servers/rendering/rendering_server_default.cpp
View file

@ -356,8 +356,7 @@ void RenderingServerDefault::_thread_callback(void *_instance) {
void RenderingServerDefault::_thread_loop() {
server_thread = Thread::get_caller_id();
DisplayServer::get_singleton()->make_rendering_thread();
DisplayServer::get_singleton()->gl_window_make_current(DisplayServer::MAIN_WINDOW_ID); // Move GL to this thread.
_init();
draw_thread_up.set();