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Merge pull request #72938 from dsnopek/webxr-frame-rate

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[WebXR] Add support for getting and setting display refresh rate
This commit is contained in:
Rémi Verschelde
2023-04-11 22:56:06 +02:00
committed by GitHub
parent 6d7413be74 886f2270ed
commit ab7cb2a95d
8 changed files with 129 additions and 0 deletions
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50
modules/webxr/native/library_godot_webxr.js
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@@ -42,6 +42,7 @@ const GodotWebXR = {
view_count: 1,
input_sources: new Array(16),
touches: new Array(5),
onsimpleevent: null,
// Monkey-patch the requestAnimationFrame() used by Emscripten for the main
// loop, so that we can swap it out for XRSession.requestAnimationFrame()
@@ -283,6 +284,9 @@ const GodotWebXR = {
GodotRuntime.free(c_str);
});
// Store onsimpleevent so we can use it later.
GodotWebXR.onsimpleevent = onsimpleevent;
const gl_context_handle = _emscripten_webgl_get_current_context(); // eslint-disable-line no-undef
const gl = GL.getContext(gl_context_handle).GLctx;
GodotWebXR.gl = gl;
@@ -368,6 +372,7 @@ const GodotWebXR = {
GodotWebXR.view_count = 1;
GodotWebXR.input_sources = new Array(16);
GodotWebXR.touches = new Array(5);
GodotWebXR.onsimpleevent = null;
// Disable the monkey-patched window.requestAnimationFrame() and
// pause/restart the main loop to activate it on all platforms.
@@ -594,6 +599,51 @@ const GodotWebXR = {
return point_count;
},
godot_webxr_get_frame_rate__proxy: 'sync',
godot_webxr_get_frame_rate__sig: 'i',
godot_webxr_get_frame_rate: function () {
if (!GodotWebXR.session || GodotWebXR.session.frameRate === undefined) {
return 0;
}
return GodotWebXR.session.frameRate;
},
godot_webxr_update_target_frame_rate__proxy: 'sync',
godot_webxr_update_target_frame_rate__sig: 'vi',
godot_webxr_update_target_frame_rate: function (p_frame_rate) {
if (!GodotWebXR.session || GodotWebXR.session.updateTargetFrameRate === undefined) {
return;
}
GodotWebXR.session.updateTargetFrameRate(p_frame_rate).then(() => {
const c_str = GodotRuntime.allocString('display_refresh_rate_changed');
GodotWebXR.onsimpleevent(c_str);
GodotRuntime.free(c_str);
});
},
godot_webxr_get_supported_frame_rates__proxy: 'sync',
godot_webxr_get_supported_frame_rates__sig: 'ii',
godot_webxr_get_supported_frame_rates: function (r_frame_rates) {
if (!GodotWebXR.session || GodotWebXR.session.supportedFrameRates === undefined) {
return 0;
}
const frame_rate_count = GodotWebXR.session.supportedFrameRates.length;
if (frame_rate_count === 0) {
return 0;
}
const buf = GodotRuntime.malloc(frame_rate_count * 4);
for (let i = 0; i < frame_rate_count; i++) {
GodotRuntime.setHeapValue(buf + (i * 4), GodotWebXR.session.supportedFrameRates[i], 'float');
}
GodotRuntime.setHeapValue(r_frame_rates, buf, 'i32');
return frame_rate_count;
},
};
autoAddDeps(GodotWebXR, '$GodotWebXR');