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invert-lightness-effect: Switch to create_pipeline vfunc

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Pretty much the exact same changes of the previous commit, applied
to the ShellInvertLightnessEffect subclass.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1350
This commit is contained in:
Georges Basile Stavracas Neto 2020-07-05 17:42:42 -03:00
parent 9f74040a89
commit fc9abaf076
1 changed files with 7 additions and 37 deletions
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50
src/shell-invert-lightness-effect.c
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@ -43,9 +43,6 @@ struct _ShellInvertLightnessEffect
{
ClutterOffscreenEffect parent_instance;
gint tex_width;
gint tex_height;
CoglPipeline *pipeline;
};
@ -82,9 +79,6 @@ shell_invert_lightness_effect_pre_paint (ClutterEffect *effect,
ShellInvertLightnessEffect *self = SHELL_INVERT_LIGHTNESS_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
@ -99,43 +93,19 @@ shell_invert_lightness_effect_pre_paint (ClutterEffect *effect,
parent_class =
CLUTTER_EFFECT_CLASS (shell_invert_lightness_effect_parent_class);
if (parent_class->pre_paint (effect, paint_context))
{
ClutterOffscreenEffect *offscreen_effect =
CLUTTER_OFFSCREEN_EFFECT (effect);
CoglTexture *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);
return parent_class->pre_paint (effect, paint_context);
}
static CoglPipeline *
shell_glsl_effect_create_pipeline (ClutterOffscreenEffect *effect,
CoglTexture *texture)
{
ShellInvertLightnessEffect *self = SHELL_INVERT_LIGHTNESS_EFFECT (effect);
cogl_pipeline_set_layer_texture (self->pipeline, 0, texture);
return TRUE;
}
else
return FALSE;
}
static void
shell_invert_lightness_effect_paint_target (ClutterOffscreenEffect *effect,
ClutterPaintContext *paint_context)
{
ShellInvertLightnessEffect *self = SHELL_INVERT_LIGHTNESS_EFFECT (effect);
ClutterActor *actor;
guint8 paint_opacity;
CoglFramebuffer *fb = clutter_paint_context_get_framebuffer (paint_context);
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 (fb, self->pipeline,
0, 0, self->tex_width, self->tex_height);
return cogl_object_ref (self->pipeline);
}
static void
@ -160,7 +130,7 @@ shell_invert_lightness_effect_class_init (ShellInvertLightnessEffectClass *klass
ClutterOffscreenEffectClass *offscreen_class;
offscreen_class = CLUTTER_OFFSCREEN_EFFECT_CLASS (klass);
offscreen_class->paint_target = shell_invert_lightness_effect_paint_target;
offscreen_class->create_pipeline = shell_glsl_effect_create_pipeline;
effect_class->pre_paint = shell_invert_lightness_effect_pre_paint;