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Merge pull request #117891 from stuartcarnie/macos_embedded_scaling_fixes

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macOS: Fix embedded window scaling issues when hiDPI is disabled
This commit is contained in:
Thaddeus Crews committed 2026-04-16 21:46:49 -05:00
2 parents a6ed51df17 8a7230132d
commit 77caa1c178
5 files changed
+88 -16
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platform/macos/display_server_macos_embedded.h
+4
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@@ -98,6 +98,10 @@ class DisplayServerMacOSEmbedded : public DisplayServerMacOSBase {
Point2i ime_last_position;
// Convert source pixel size to render pixel size, accounting for the
// difference between display scale and render scale when hiDPI is disabled.
Size2i _source_to_render_size(const Size2i &p_source_size) const;
void _mouse_apply_mode(DisplayServerEnums::MouseMode p_prev_mode, DisplayServerEnums::MouseMode p_new_mode) override;
struct Joy {
platform/macos/display_server_macos_embedded.mm
+41 -14
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@@ -140,7 +140,8 @@ DisplayServerMacOSEmbedded::DisplayServerMacOSEmbedded(const String &p_rendering
layer.anchorPoint = CGPointMake(0, 0);
layer.transform = CATransform3DMakeScale(1.0, -1.0, 1.0);
Error err = gl_manager->window_create(window_id_counter, layer, p_resolution.width, p_resolution.height);
Size2i render_size = _source_to_render_size(p_resolution);
Error err = gl_manager->window_create(window_id_counter, layer, render_size.width, render_size.height);
if (err != OK) {
ERR_FAIL_MSG("Could not create OpenGL context.");
}
@@ -174,8 +175,8 @@ DisplayServerMacOSEmbedded::DisplayServerMacOSEmbedded(const String &p_rendering
Error err = rendering_context->window_create(window_id_counter, &wpd);
ERR_FAIL_COND_MSG(err != OK, vformat("Can't create a %s context", rendering_driver));
// The rendering context is always in pixels
rendering_context->window_set_size(window_id_counter, p_resolution.width, p_resolution.height);
Size2i render_size = _source_to_render_size(p_resolution);
rendering_context->window_set_size(window_id_counter, render_size.width, render_size.height);
rendering_context->window_set_vsync_mode(window_id_counter, p_vsync_mode);
}
#endif
@@ -198,8 +199,9 @@ DisplayServerMacOSEmbedded::DisplayServerMacOSEmbedded(const String &p_rendering
}
#endif
CGFloat scale = screen_get_max_scale();
layer.contentsScale = scale;
CGFloat display_scale = state.screen_max_scale;
CGFloat render_scale = screen_get_max_scale();
layer.contentsScale = render_scale;
layer.magnificationFilter = kCAFilterNearest;
layer.minificationFilter = kCAFilterNearest;
transparent = ((p_flags & DisplayServerEnums::WINDOW_FLAG_TRANSPARENT_BIT) == DisplayServerEnums::WINDOW_FLAG_TRANSPARENT_BIT);
@@ -207,7 +209,7 @@ DisplayServerMacOSEmbedded::DisplayServerMacOSEmbedded(const String &p_rendering
layer.actions = @{ @"contents" : [NSNull null] }; // Disable implicit animations for contents.
// AppKit frames, bounds and positions are always in points.
CGRect bounds = CGRectMake(0, 0, p_resolution.width, p_resolution.height);
bounds = CGRectApplyAffineTransform(bounds, CGAffineTransformInvert(CGAffineTransformMakeScale(scale, scale)));
bounds = CGRectApplyAffineTransform(bounds, CGAffineTransformInvert(CGAffineTransformMakeScale(display_scale, display_scale)));
layer.bounds = bounds;
CGSConnectionID connection_id = CGSMainConnectionID();
@@ -281,7 +283,9 @@ void DisplayServerMacOSEmbedded::_mouse_apply_mode(DisplayServerEnums::MouseMode
void DisplayServerMacOSEmbedded::warp_mouse(const Point2i &p_position) {
_THREAD_SAFE_METHOD_
Input::get_singleton()->set_mouse_position(p_position);
EngineDebugger::get_singleton()->send_message("game_view:warp_mouse", { p_position });
// Convert from game pixels to points for the editor.
float inv_scale = 1.0f / screen_get_max_scale();
EngineDebugger::get_singleton()->send_message("game_view:warp_mouse", { Point2i(inv_scale * p_position) });
}
Point2i DisplayServerMacOSEmbedded::mouse_get_position() const {
@@ -478,6 +482,10 @@ int DisplayServerMacOSEmbedded::screen_get_dpi(int p_screen) const {
float DisplayServerMacOSEmbedded::screen_get_scale(int p_screen) const {
_THREAD_SAFE_METHOD_
if (!OS::get_singleton()->is_hidpi_allowed()) {
return 1.0f;
}
switch (p_screen) {
case DisplayServerEnums::SCREEN_WITH_MOUSE_FOCUS:
case DisplayServerEnums::SCREEN_WITH_KEYBOARD_FOCUS:
@@ -486,7 +494,7 @@ float DisplayServerMacOSEmbedded::screen_get_scale(int p_screen) const {
case 0:
return state.screen_window_scale;
default:
return 1.0;
return 1.0f;
}
}
@@ -563,27 +571,29 @@ void DisplayServerMacOSEmbedded::_window_set_size(const Size2i p_size, DisplaySe
[CATransaction begin];
[CATransaction setDisableActions:YES];
CGFloat scale = screen_get_max_scale();
CGFloat display_scale = state.screen_max_scale;
CGFloat render_scale = screen_get_max_scale();
CGRect bounds = CGRectMake(0, 0, p_size.width, p_size.height);
bounds = CGRectApplyAffineTransform(bounds, CGAffineTransformInvert(CGAffineTransformMakeScale(scale, scale)));
bounds = CGRectApplyAffineTransform(bounds, CGAffineTransformInvert(CGAffineTransformMakeScale(display_scale, display_scale)));
layer.bounds = bounds;
layer.contentsScale = scale;
layer.contentsScale = render_scale;
Size2i render_size = _source_to_render_size(p_size);
#if defined(RD_ENABLED)
if (rendering_context) {
rendering_context->window_set_size(p_window, p_size.width, p_size.height);
rendering_context->window_set_size(p_window, render_size.width, render_size.height);
}
#endif
#if defined(GLES3_ENABLED)
if (gl_manager) {
gl_manager->window_resize(p_window, p_size.width, p_size.height);
gl_manager->window_resize(p_window, render_size.width, render_size.height);
}
#endif
[CATransaction commit];
Callable *cb = window_resize_callbacks.getptr(p_window);
if (cb) {
Variant resize_rect = Rect2i(Point2i(), p_size);
Variant resize_rect = Rect2i(Point2i(), render_size);
_window_callback(window_resize_callbacks[p_window], resize_rect);
}
}
@@ -657,9 +667,19 @@ bool DisplayServerMacOSEmbedded::window_is_focused(DisplayServerEnums::WindowID
}
float DisplayServerMacOSEmbedded::screen_get_max_scale() const {
if (!OS::get_singleton()->is_hidpi_allowed()) {
return 1.0f;
}
return state.screen_max_scale;
}
Size2i DisplayServerMacOSEmbedded::_source_to_render_size(const Size2i &p_source_size) const {
CGFloat display_scale = state.screen_max_scale;
CGFloat render_scale = screen_get_max_scale();
return Size2i((int)(p_source_size.width / display_scale * render_scale),
(int)(p_source_size.height / display_scale * render_scale));
}
bool DisplayServerMacOSEmbedded::window_can_draw(DisplayServerEnums::WindowID p_window) const {
return true;
}
@@ -719,6 +739,7 @@ void DisplayServerMacOSEmbedded::set_state(const DisplayServerMacOSEmbeddedState
}
uint32_t old_display_id = state.display_id;
float old_scale = state.screen_max_scale;
state = p_state;
@@ -729,6 +750,12 @@ void DisplayServerMacOSEmbedded::set_state(const DisplayServerMacOSEmbeddedState
}
#endif
}
if (state.screen_max_scale != old_scale) {
// Recover source pixel size from current bounds using the old display scale.
CGSize bounds_size = layer.bounds.size;
Size2i source_size((int)(bounds_size.width * old_scale), (int)(bounds_size.height * old_scale));
_window_set_size(source_size, DisplayServerEnums::MAIN_WINDOW_ID);
}
if (hdr_output.requested) {
_update_hdr_output(DisplayServerEnums::MAIN_WINDOW_ID, hdr_output);
}
platform/macos/editor/embedded_game_view_plugin.mm
+3 -1
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@@ -123,8 +123,10 @@ bool GameViewDebuggerMacOS::_msg_joy_stop(const Array &p_args) {
bool GameViewDebuggerMacOS::_msg_warp_mouse(const Array &p_args) {
ERR_FAIL_COND_V_MSG(p_args.size() != 1, false, "warp_mouse: invalid number of arguments.");
// Position arrives in points; convert to editor pixels.
Vector2i pos = p_args[0];
embedded_process->get_layer_host()->warp_mouse(pos);
float scale = DisplayServer::get_singleton()->screen_get_max_scale();
embedded_process->get_layer_host()->warp_mouse(Vector2i(scale * pos));
return true;
}
platform/macos/editor/embedded_process_macos.mm
+28 -1
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@@ -353,8 +353,35 @@ void LayerHost::gui_input(const Ref<InputEvent> &p_event) {
return;
}
// Convert from editor pixels to points for the game.
float inv_scale = 1.0f / DisplayServer::get_singleton()->screen_get_max_scale();
Ref<InputEvent> event = p_event;
{
Ref<InputEventMouse> e = p_event;
if (e.is_valid()) {
e = e->duplicate();
e->set_position(e->get_position() * inv_scale);
e->set_global_position(e->get_global_position() * inv_scale);
Ref<InputEventMouseMotion> mm = e;
if (mm.is_valid()) {
mm->set_relative(mm->get_relative() * inv_scale);
}
event = e;
}
}
{
Ref<InputEventGesture> e = p_event;
if (e.is_valid()) {
e = e->duplicate();
e->set_position(e->get_position() * inv_scale);
event = e;
}
}
PackedByteArray data;
if (encode_input_event(p_event, data)) {
if (encode_input_event(event, data)) {
if (script_debugger != nullptr) {
script_debugger->send_message("embed:event", { data });
}
platform/macos/embedded_debugger.mm
+12
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@@ -108,9 +108,19 @@ Error EmbeddedDebugger::_msg_event(const Array &p_args) {
Ref<InputEvent> event;
decode_input_event(data, event);
// Events arrive in points (normalized by the editor). Scale to the
// game's pixel coordinate space.
float scale = ds->screen_get_max_scale();
{
Ref<InputEventMouse> e = event;
if (e.is_valid()) {
e->set_position(e->get_position() * scale);
e->set_global_position(e->get_global_position() * scale);
Ref<InputEventMouseMotion> mm = e;
if (mm.is_valid()) {
mm->set_relative(mm->get_relative() * scale);
}
input->set_mouse_position(e->get_position());
}
}
@@ -118,6 +128,7 @@ Error EmbeddedDebugger::_msg_event(const Array &p_args) {
{
Ref<InputEventMagnifyGesture> e = event;
if (e.is_valid()) {
e->set_position(e->get_position() * scale);
input->set_mouse_position(e->get_position());
}
}
@@ -125,6 +136,7 @@ Error EmbeddedDebugger::_msg_event(const Array &p_args) {
{
Ref<InputEventPanGesture> e = event;
if (e.is_valid()) {
e->set_position(e->get_position() * scale);
input->set_mouse_position(e->get_position());
}
}