brl/gnome-shell
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fixup! screenShield: Blur background

Browse Source
This commit is contained in:
Georges Basile Stavracas Neto 2019-10-14 18:29:31 +02:00
parent e71c249ea5
commit be714f7401
2 changed files with 76 additions and 58 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
js/ui/screenShield.js
View File

@ -28,7 +28,7 @@ const DISABLE_LOCK_KEY = 'disable-lock-screen';
const LOCKED_STATE_STR = 'screenShield.locked';
const BLUR_BRIGHTNESS = 0.55;
const BLUR_RADIUS = 70;
const BLUR_RADIUS = 200;
// fraction of screen height the arrow must reach before completing
// the slide up automatically

132
src/shell-blur-effect.c
View File

@ -62,7 +62,7 @@ static const gchar *gaussian_blur_glsl =
" cogl_texel = vec4 (ret / total); \n"
" cogl_texel.rgb *= brightness; \n";
#define DOWNSCALE_FACTOR 3.0
#define DOWNSCALE_FACTOR 4.0
struct _ShellBlurEffect
{
@ -127,71 +127,85 @@ create_pipeline (void)
return cogl_pipeline_copy (base_pipeline);
}
static void
queue_actor_repaint (ShellBlurEffect *self)
{
ClutterActor *actor =
clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (self));
if (actor)
clutter_actor_queue_redraw (actor);
}
static void
update_uniforms (ShellBlurEffect *self)
{
ClutterOffscreenEffect *offscreen_effect =
CLUTTER_OFFSCREEN_EFFECT (self);
CoglHandle texture;
texture = clutter_offscreen_effect_get_texture (offscreen_effect);
self->tex_width = cogl_texture_get_width (texture) * DOWNSCALE_FACTOR;
self->tex_height = cogl_texture_get_height (texture) * DOWNSCALE_FACTOR;
if (self->pixel_step_uniform > -1)
{
ClutterRect rect;
float pixel_step;
clutter_offscreen_effect_get_target_rect (CLUTTER_OFFSCREEN_EFFECT (self),
&rect);
if (self->vertical)
pixel_step = 1.f / rect.size.height;
else
pixel_step = 1.f / rect.size.width;
cogl_pipeline_set_uniform_1f (self->pipeline,
self->pixel_step_uniform,
pixel_step / DOWNSCALE_FACTOR);
}
if (self->blur_radius_uniform > -1)
{
cogl_pipeline_set_uniform_1f (self->pipeline,
self->blur_radius_uniform,
self->blur_radius / DOWNSCALE_FACTOR);
}
if (self->brightness_uniform > -1)
{
cogl_pipeline_set_uniform_1f (self->pipeline,
self->brightness_uniform,
self->brightness);
}
if (self->vertical_uniform > -1)
{
cogl_pipeline_set_uniform_1i (self->pipeline,
self->vertical_uniform,
self->vertical);
}
cogl_pipeline_set_layer_texture (self->pipeline, 0, texture);
}
static gboolean
shell_blur_effect_pre_paint (ClutterEffect *effect)
{
ShellBlurEffect *self = SHELL_BLUR_EFFECT (effect);
ClutterOffscreenEffect *offscreen_effect =
CLUTTER_OFFSCREEN_EFFECT (self);
gboolean success;
success = CLUTTER_EFFECT_CLASS (shell_blur_effect_parent_class)->pre_paint (effect);
if (success)
{
CoglFramebuffer *offscreen;
CoglHandle texture;
texture = clutter_offscreen_effect_get_texture (offscreen_effect);
self->tex_width = cogl_texture_get_width (texture) * DOWNSCALE_FACTOR;
self->tex_height = cogl_texture_get_height (texture) * DOWNSCALE_FACTOR;
if (self->pixel_step_uniform > -1)
{
ClutterRect rect;
float pixel_step;
clutter_offscreen_effect_get_target_rect (CLUTTER_OFFSCREEN_EFFECT (self),
&rect);
if (self->vertical)
pixel_step = 1.f / rect.size.height;
else
pixel_step = 1.f / rect.size.width;
cogl_pipeline_set_uniform_1f (self->pipeline,
self->pixel_step_uniform,
pixel_step / DOWNSCALE_FACTOR);
}
if (self->blur_radius_uniform > -1)
{
cogl_pipeline_set_uniform_1f (self->pipeline,
self->blur_radius_uniform,
self->blur_radius / DOWNSCALE_FACTOR);
}
if (self->brightness_uniform > -1)
{
cogl_pipeline_set_uniform_1f (self->pipeline,
self->brightness_uniform,
self->brightness);
}
if (self->vertical_uniform > -1)
{
cogl_pipeline_set_uniform_1i (self->pipeline,
self->vertical_uniform,
self->vertical);
}
cogl_pipeline_set_layer_texture (self->pipeline, 0, texture);
CoglFramebuffer *offscreen = cogl_get_draw_framebuffer ();
/* Texture is downscaled, draw downscaled as well */
offscreen = cogl_get_draw_framebuffer ();
cogl_framebuffer_scale (offscreen,
1.0 / DOWNSCALE_FACTOR,
1.0 / DOWNSCALE_FACTOR,
0.0);
1.0);
}
return success;
@ -207,6 +221,8 @@ shell_blur_effect_paint_target (ClutterOffscreenEffect *effect)
float blur_radius_offset_v;
guint8 paint_opacity;
update_uniforms (self);
actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (self));
paint_opacity = clutter_actor_get_paint_opacity (actor);
@ -240,7 +256,7 @@ shell_blur_effect_post_paint (ClutterEffect *effect)
cogl_framebuffer_scale (offscreen,
DOWNSCALE_FACTOR,
DOWNSCALE_FACTOR,
0.f);
1.f);
CLUTTER_EFFECT_CLASS (shell_blur_effect_parent_class)->post_paint (effect);
}
@ -253,7 +269,9 @@ shell_blur_effect_create_texture (ClutterOffscreenEffect *effect,
CoglContext *ctx =
clutter_backend_get_cogl_context (clutter_get_default_backend ());
return cogl_texture_2d_new_with_size (ctx, width / 2.0, height / 2.0);
return cogl_texture_2d_new_with_size (ctx,
width / DOWNSCALE_FACTOR,
height / DOWNSCALE_FACTOR);
}
static gboolean
@ -436,7 +454,7 @@ shell_blur_effect_set_blur_radius (ShellBlurEffect *self,
return;
self->blur_radius = radius;
clutter_effect_queue_repaint (CLUTTER_EFFECT (self));
queue_actor_repaint (self);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_BLUR_RADIUS]);
}
@ -459,7 +477,7 @@ shell_blur_effect_set_brightness (ShellBlurEffect *self,
return;
self->brightness = brightness;
clutter_effect_queue_repaint (CLUTTER_EFFECT (self));
queue_actor_repaint (self);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_BRIGHTNESS]);
}
@ -482,7 +500,7 @@ shell_blur_effect_set_vertical (ShellBlurEffect *self,
return;
self->vertical = vertical;
clutter_effect_queue_repaint (CLUTTER_EFFECT (self));
queue_actor_repaint (self);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_VERTICAL]);
}