shell: Actually make GLSLEffect an effect

A generic, introspectable Shader effect is not only more flexible
than a shader actor, it will also make it much easier to turn
Lightbox into an actor subclass and replace Tweener with Clutter's
own animation support.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/651
This commit is contained in:
Florian Müllner
2019-07-26 22:08:52 +02:00
parent ae7ec648b2
commit 007d305736
3 changed files with 70 additions and 32 deletions

View File

@ -24,8 +24,8 @@ t = clamp(t, 0.0, 1.0);\n\
float pixel_brightness = mix(1.0, 1.0 - vignette_sharpness, t);\n\
cogl_color_out.a = cogl_color_out.a * (1 - pixel_brightness * brightness);';
var RadialShaderQuad = GObject.registerClass(
class RadialShaderQuad extends Shell.GLSLEffect {
var RadialShaderEffect = GObject.registerClass(
class RadialShaderEffect extends Shell.GLSLEffect {
_init(params) {
super._init(params);
@ -99,12 +99,13 @@ var Lightbox = class Lightbox {
this._children = container.get_children();
this._fadeFactor = params.fadeFactor;
this._radialEffect = Clutter.feature_available(Clutter.FeatureFlags.SHADERS_GLSL) && params.radialEffect;
this.actor = new St.Bin({ reactive: params.inhibitEvents });
if (this._radialEffect)
this.actor = new RadialShaderQuad({ reactive: params.inhibitEvents });
this.actor.add_effect(new RadialShaderEffect({ name: 'radial' }));
else
this.actor = new St.Bin({ opacity: 0,
style_class: 'lightbox',
reactive: params.inhibitEvents });
this.actor.set({ opacity: 0, style_class: 'lightbox' });
container.add_actor(this.actor);
this.actor.raise_top();
@ -155,7 +156,7 @@ var Lightbox = class Lightbox {
Tweener.removeTweens(this.actor);
if (this._radialEffect) {
Tweener.addTween(this.actor,
Tweener.addTween(this.actor.get_effect('radial'),
{ brightness: VIGNETTE_BRIGHTNESS,
vignetteSharpness: VIGNETTE_SHARPNESS,
time: fadeInTime,
@ -186,7 +187,7 @@ var Lightbox = class Lightbox {
this.shown = false;
Tweener.removeTweens(this.actor);
if (this._radialEffect) {
Tweener.addTween(this.actor,
Tweener.addTween(this.actor.get_effect('radial'),
{ brightness: 1.0,
vignetteSharpness: 0.0,
opacity: 0,