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Simplify width/height usage, cap forced redraws

This commit is contained in:
wheaney 2025-01-31 16:11:01 -08:00
parent 39460a521f
commit 3f73d2148d
1 changed files with 20 additions and 8 deletions
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28
gnome/src/virtualmonitorsactor.js
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@ -428,7 +428,7 @@ export const VirtualMonitorEffect = GObject.registerClass({
uniform vec2 u_actor_to_display_offsets;
// discovered through trial and error, no idea the significance
float cogl_position_mystery_factor = 29.09;
float cogl_position_mystery_factor = 29.09 * 2;
float vectorLength(vec3 v) {
return sqrt(v.x * v.x + v.y * v.y + v.z * v.z);
@ -540,16 +540,16 @@ export const VirtualMonitorEffect = GObject.registerClass({
vec4 look_ahead_quaternion = nwuToESU(imuDataToLookAheadQuaternion(u_imu_data, u_look_ahead_ms));
float aspect_ratio = u_display_resolution.x / u_display_resolution.y;
float cogl_position_width = cogl_position_mystery_factor * aspect_ratio;
float cogl_position_width = cogl_position_mystery_factor * aspect_ratio / u_actor_to_display_ratios.y;
float cogl_position_height = cogl_position_width / aspect_ratio;
world_pos.x -= u_display_position.x * cogl_position_width * 2 / u_display_resolution.x / u_actor_to_display_ratios.y;
world_pos.y -= u_display_position.y * cogl_position_height * 2 / u_display_resolution.y / u_actor_to_display_ratios.y;
world_pos.z = u_display_position.z * cogl_position_mystery_factor * 2 / u_display_resolution.x;
world_pos.x -= u_display_position.x * cogl_position_width / u_display_resolution.x;
world_pos.y -= u_display_position.y * cogl_position_height/ u_display_resolution.y;
world_pos.z = u_display_position.z * cogl_position_mystery_factor / u_display_resolution.x;
// if the perspective includes more than just our viewport actor, move vertices towards the center of the perspective so they'll be properly rotated
world_pos.x += u_actor_to_display_offsets.x * cogl_position_width / u_actor_to_display_ratios.y;
world_pos.y -= u_actor_to_display_offsets.y * cogl_position_height / u_actor_to_display_ratios.y;
world_pos.x += u_actor_to_display_offsets.x * cogl_position_width / 2;
world_pos.y -= u_actor_to_display_offsets.y * cogl_position_height / 2;
world_pos.z *= aspect_ratio / u_actor_to_display_ratios.y;
world_pos = applyXRotationToVector(world_pos, u_rotation_x_radians);
@ -557,7 +557,7 @@ export const VirtualMonitorEffect = GObject.registerClass({
world_pos = applyQuaternionToVector(world_pos, quatConjugate(look_ahead_quaternion));
world_pos.z /= aspect_ratio / u_actor_to_display_ratios.y;
world_pos.x /= u_actor_to_display_ratios.x / u_actor_to_display_ratios.y;
world_pos.x *= u_actor_to_display_ratios.y / u_actor_to_display_ratios.x;
world_pos = u_projection_matrix * world_pos;
@ -676,6 +676,13 @@ export const VirtualMonitorsActor = GObject.registerClass({
2.5,
1.05
),
'target-framerate': GObject.ParamSpec.double(
'target-framerate',
'Target Framerate',
'Target framerate for the virtual monitors',
GObject.ParamFlags.READWRITE,
1.0, 120.0, 60.0
)
}
}, class VirtualMonitorsActor extends Clutter.Actor {
constructor(params = {}) {
@ -683,6 +690,7 @@ export const VirtualMonitorsActor = GObject.registerClass({
this.width = this.target_monitor.width;
this.height = this.target_monitor.height;
this._frametime_ms = Math.floor(1000 / (this.target_framerate ?? 60.0));
}
renderMonitors() {
@ -799,9 +807,13 @@ export const VirtualMonitorsActor = GObject.registerClass({
this._redraw_timeline = Clutter.Timeline.new_for_actor(this, 1000);
this._redraw_timeline.connect('new-frame', (() => {
// let's try to cap the forced redraw rate
if (this._last_redraw !== undefined && Date.now() - this._last_redraw < this._frametime_ms) return;
Globals.data_stream.refresh_data();
this.imu_snapshots = Globals.data_stream.imu_snapshots;
this.queue_redraw();
this._last_redraw = Date.now();
}).bind(this));
this._redraw_timeline.set_repeat_count(-1);
this._redraw_timeline.start();