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clutter/desaturate-effect: Switch to create_pipeline vfunc

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Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1355>
This commit is contained in:
Georges Basile Stavracas Neto 2020-07-05 15:20:20 -03:00
parent b3641e0833
commit 691d31748a
1 changed files with 14 additions and 51 deletions
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65
clutter/clutter/clutter-desaturate-effect.c
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@ -111,16 +111,24 @@ G_DEFINE_TYPE (ClutterDesaturateEffect,
clutter_desaturate_effect,
CLUTTER_TYPE_OFFSCREEN_EFFECT);
static CoglPipeline *
clutter_desaturate_effect_create_pipeline (ClutterOffscreenEffect *effect,
CoglTexture *texture)
{
ClutterDesaturateEffect *desaturate_effect =
CLUTTER_DESATURATE_EFFECT (effect);
cogl_pipeline_set_layer_texture (desaturate_effect->pipeline, 0, texture);
return cogl_object_ref (desaturate_effect->pipeline);
}
static gboolean
clutter_desaturate_effect_pre_paint (ClutterEffect *effect,
ClutterPaintContext *paint_context)
{
ClutterDesaturateEffect *self = CLUTTER_DESATURATE_EFFECT (effect);
ClutterEffectClass *parent_class;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect)))
return FALSE;
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
@ -134,52 +142,7 @@ clutter_desaturate_effect_pre_paint (ClutterEffect *effect,
}
parent_class = CLUTTER_EFFECT_CLASS (clutter_desaturate_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_desaturate_effect_paint_target (ClutterOffscreenEffect *effect,
ClutterPaintContext *paint_context)
{
ClutterDesaturateEffect *self = CLUTTER_DESATURATE_EFFECT (effect);
CoglFramebuffer *framebuffer =
clutter_paint_context_get_framebuffer (paint_context);
ClutterActor *actor;
CoglHandle texture;
guint8 paint_opacity;
texture = clutter_offscreen_effect_get_texture (effect);
cogl_pipeline_set_layer_texture (self->pipeline, 0, texture);
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,
cogl_texture_get_width (texture),
cogl_texture_get_height (texture));
return parent_class->pre_paint (effect, paint_context);
}
static void
@ -254,7 +217,7 @@ clutter_desaturate_effect_class_init (ClutterDesaturateEffectClass *klass)
ClutterOffscreenEffectClass *offscreen_class;
offscreen_class = CLUTTER_OFFSCREEN_EFFECT_CLASS (klass);
offscreen_class->paint_target = clutter_desaturate_effect_paint_target;
offscreen_class->create_pipeline = clutter_desaturate_effect_create_pipeline;
effect_class->pre_paint = clutter_desaturate_effect_pre_paint;