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clutter/brightness-contrast-effect: Switch to create_pipeline vfunc

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Pretty much the exact same steps and constraints of the previous
commit.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1355
This commit is contained in:
Georges Basile Stavracas Neto 2020-07-05 15:07:57 -03:00
parent 6ee3ece103
commit f6c57366af
1 changed files with 14 additions and 47 deletions
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61
clutter/clutter/clutter-brightness-contrast-effect.c
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@ -69,9 +69,6 @@ struct _ClutterBrightnessContrastEffect
gint brightness_offset_uniform;
gint contrast_uniform;
gint tex_width;
gint tex_height;
CoglPipeline *pipeline;
};
@ -129,6 +126,18 @@ will_have_no_effect (ClutterBrightnessContrastEffect *self)
G_APPROX_VALUE (self->contrast_blue, no_change, FLT_EPSILON));
}
static CoglPipeline *
clutter_brightness_contrast_effect_create_pipeline (ClutterOffscreenEffect *effect,
CoglTexture *texture)
{
ClutterBrightnessContrastEffect *self =
CLUTTER_BRIGHTNESS_CONTRAST_EFFECT (effect);
cogl_pipeline_set_layer_texture (self->pipeline, 0, texture);
return cogl_object_ref (self->pipeline);
}
static gboolean
clutter_brightness_contrast_effect_pre_paint (ClutterEffect *effect,
ClutterPaintContext *paint_context)
@ -136,9 +145,6 @@ clutter_brightness_contrast_effect_pre_paint (ClutterEffect *effect,
ClutterBrightnessContrastEffect *self = CLUTTER_BRIGHTNESS_CONTRAST_EFFECT (effect);
ClutterEffectClass *parent_class;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect)))
return FALSE;
if (will_have_no_effect (self))
return FALSE;
@ -157,47 +163,8 @@ clutter_brightness_contrast_effect_pre_paint (ClutterEffect *effect,
parent_class =
CLUTTER_EFFECT_CLASS (clutter_brightness_contrast_effect_parent_class);
if (parent_class->pre_paint (effect, paint_context))
{
ClutterOffscreenEffect *offscreen_effect =
CLUTTER_OFFSCREEN_EFFECT (effect);
CoglHandle texture;
texture = clutter_offscreen_effect_get_texture (offscreen_effect);
self->tex_width = cogl_texture_get_width (texture);
self->tex_height = cogl_texture_get_height (texture);
cogl_pipeline_set_layer_texture (self->pipeline, 0, texture);
return TRUE;
}
else
return FALSE;
}
static void
clutter_brightness_contrast_effect_paint_target (ClutterOffscreenEffect *effect,
ClutterPaintContext *paint_context)
{
ClutterBrightnessContrastEffect *self = CLUTTER_BRIGHTNESS_CONTRAST_EFFECT (effect);
CoglFramebuffer *framebuffer =
clutter_paint_context_get_framebuffer (paint_context);
ClutterActor *actor;
guint8 paint_opacity;
actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect));
paint_opacity = clutter_actor_get_paint_opacity (actor);
cogl_pipeline_set_color4ub (self->pipeline,
paint_opacity,
paint_opacity,
paint_opacity,
paint_opacity);
cogl_framebuffer_draw_rectangle (framebuffer,
self->pipeline,
0, 0,
self->tex_width, self->tex_height);
return parent_class->pre_paint (effect, paint_context);
}
static void
@ -297,7 +264,7 @@ clutter_brightness_contrast_effect_class_init (ClutterBrightnessContrastEffectCl
ClutterOffscreenEffectClass *offscreen_class;
offscreen_class = CLUTTER_OFFSCREEN_EFFECT_CLASS (klass);
offscreen_class->paint_target = clutter_brightness_contrast_effect_paint_target;
offscreen_class->create_pipeline = clutter_brightness_contrast_effect_create_pipeline;
effect_class->pre_paint = clutter_brightness_contrast_effect_pre_paint;