diff options
Diffstat (limited to 'meta_clip_effect.c')
| -rw-r--r-- | meta_clip_effect.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/meta_clip_effect.c b/meta_clip_effect.c deleted file mode 100644 index 6f3f488fd13b..000000000000 --- a/meta_clip_effect.c +++ /dev/null @@ -1,219 +0,0 @@ -// for 40.4 - -#include "meta_clip_effect.h" -#include "meta/prefs.h" -#include "shader.h" - -typedef struct { - CoglPipeline *pipeline; - ClutterActor *actor; - cairo_rectangle_int_t bounds; - - int bounds_uniform; - int clip_radius_uniform; - int inner_bounds_uniform; - int inner_clip_radius_uniform; - int pixel_step_uniform; - int skip_uniform; - int border_width_uniform; - int border_brightness_uniform; -} MetaClipEffectPrivate; - -G_DEFINE_TYPE_WITH_PRIVATE(MetaClipEffect, meta_clip_effect, CLUTTER_TYPE_OFFSCREEN_EFFECT) - -static CoglPipeline * -meta_clip_effect_class_create_pipeline(ClutterOffscreenEffect *effect, - CoglTexture *texture) -{ - MetaClipEffect *clip_effect = META_CLIP_EFFECT (effect); - MetaClipEffectPrivate *priv = meta_clip_effect_get_instance_private(clip_effect); - cogl_pipeline_set_layer_texture (priv->pipeline, 0, texture); - - return cogl_object_ref (priv->pipeline); -} - -static void -meta_clip_effect_set_actor(ClutterActorMeta *meta, - ClutterActor *actor) -{ - ClutterActorMetaClass *meta_class - = CLUTTER_ACTOR_META_CLASS(meta_clip_effect_parent_class); - MetaClipEffectPrivate *priv = - meta_clip_effect_get_instance_private(META_CLIP_EFFECT(meta)); - meta_class->set_actor(meta, actor); - priv->actor = clutter_actor_meta_get_actor(meta); -} - -static gboolean -meta_clip_effect_pre_paint (ClutterEffect *effect, - ClutterPaintNode *node, - ClutterPaintContext *paint_context) -{ - gboolean res = - CLUTTER_EFFECT_CLASS (meta_clip_effect_parent_class)->pre_paint(effect, node, paint_context); - MetaClipEffect *clip_effect = META_CLIP_EFFECT (effect); - MetaClipEffectPrivate *priv = - meta_clip_effect_get_instance_private(META_CLIP_EFFECT(clip_effect)); - - // seems CutterOffscreenEffect will set COGL_PIPELINE_FILTER_NEAREST - // as layer filter, force set linear filter before paint now - cogl_pipeline_set_layer_filters (priv->pipeline, - 0, - COGL_PIPELINE_FILTER_LINEAR, - COGL_PIPELINE_FILTER_LINEAR); - return res; -} - -static void -meta_clip_effect_dispose(GObject *gobject) -{ - MetaClipEffect*effect = META_CLIP_EFFECT(gobject); - MetaClipEffectPrivate *priv = - meta_clip_effect_get_instance_private(META_CLIP_EFFECT(effect)); - - if (priv->pipeline != NULL) - { - g_clear_pointer(&priv->pipeline, cogl_object_unref); - } - - G_OBJECT_CLASS (meta_clip_effect_parent_class)->dispose (gobject); -} - -static void -meta_clip_effect_class_init(MetaClipEffectClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - ClutterEffectClass *effect_class = CLUTTER_EFFECT_CLASS (klass); - ClutterOffscreenEffectClass *offscreen_class = CLUTTER_OFFSCREEN_EFFECT_CLASS (klass); - ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS(klass); - - meta_class->set_actor = meta_clip_effect_set_actor; - effect_class->pre_paint = meta_clip_effect_pre_paint; - offscreen_class->create_pipeline = meta_clip_effect_class_create_pipeline; - gobject_class->dispose = meta_clip_effect_dispose; -} - -static void -meta_clip_effect_init(MetaClipEffect *self) -{ - MetaClipEffectClass *klass = META_CLIP_EFFECT_GET_CLASS (self); - MetaClipEffectPrivate *priv = meta_clip_effect_get_instance_private(self); - - if (G_UNLIKELY (klass->base_pipeline == NULL)) - { - CoglSnippet *snippet; - CoglContext *ctx = - clutter_backend_get_cogl_context (clutter_get_default_backend ()); - - klass->base_pipeline = cogl_pipeline_new (ctx); - - snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, - ROUNDED_CLIP_FRAGMENT_SHADER_DECLARATIONS, - ROUNDED_CLIP_FRAGMENT_SHADER_CODE); - cogl_pipeline_add_snippet (klass->base_pipeline, snippet); - cogl_object_unref (snippet); - - cogl_pipeline_set_layer_null_texture (klass->base_pipeline, 0); - } - - priv->pipeline = cogl_pipeline_copy (klass->base_pipeline); - priv->actor = NULL; - - // get location of uniforms from shader - priv->bounds_uniform = - cogl_pipeline_get_uniform_location(priv->pipeline, "bounds"); - priv->clip_radius_uniform = - cogl_pipeline_get_uniform_location(priv->pipeline, "clip_radius"); - priv->inner_bounds_uniform = - cogl_pipeline_get_uniform_location(priv->pipeline, "inner_bounds"); - priv->inner_clip_radius_uniform = - cogl_pipeline_get_uniform_location(priv->pipeline, "inner_clip_radius"); - priv->pixel_step_uniform = - cogl_pipeline_get_uniform_location(priv->pipeline, "pixel_step"); - priv->skip_uniform = - cogl_pipeline_get_uniform_location(priv->pipeline, "skip"); - priv->border_width_uniform = - cogl_pipeline_get_uniform_location(priv->pipeline, "border_width"); - priv->border_brightness_uniform = - cogl_pipeline_get_uniform_location(priv->pipeline, "border_brightness"); -} - -MetaClipEffect *meta_clip_effect_new(void) -{ - return g_object_new(META_TYPE_CLIP_EFFECT, NULL); -} - -void -meta_clip_effect_set_bounds(MetaClipEffect *effect, - cairo_rectangle_int_t *_bounds, - int padding[4]) -{ - // padding: [left, right, top, bottom] - - MetaClipEffectPrivate *priv = meta_clip_effect_get_instance_private(effect); - - g_return_if_fail(priv->pipeline && priv->actor); - float radius = meta_prefs_get_round_corner_radius(); - float border = meta_prefs_get_border_width(); - float brightness = meta_prefs_get_border_brightness(); - - priv->bounds.x = _bounds->x + padding[0]; - priv->bounds.y = _bounds->y + padding[2]; - priv->bounds.width = _bounds->width - padding[1] - padding[0]; - priv->bounds.height = _bounds->height - padding[2] - padding[3]; - - float x1 = priv->bounds.x; - float y1 = priv->bounds.y; - float x2 = priv->bounds.width + x1; - float y2 = priv->bounds.height + y1; - float w, h; - - clutter_actor_get_size(priv->actor, &w, &h); - - float bounds[] = { x1, y1, x2, y2 }; - - float inner_bounds[] = { x1 + border, y1 + border, x2 - border, y2 - border }; - float inner_radius = radius - border; - if (inner_radius < 0.0f) { - inner_radius = 0.0f; - } - - float pixel_step[] = { 1. / w, 1. / h }; - - cogl_pipeline_set_uniform_float(priv->pipeline, - priv->bounds_uniform, - 4, 1, bounds); - cogl_pipeline_set_uniform_1f(priv->pipeline, - priv->clip_radius_uniform, - radius); - cogl_pipeline_set_uniform_float(priv->pipeline, - priv->inner_bounds_uniform, - 4, 1, inner_bounds); - cogl_pipeline_set_uniform_1f(priv->pipeline, - priv->inner_clip_radius_uniform, - inner_radius); - cogl_pipeline_set_uniform_float(priv->pipeline, - priv->pixel_step_uniform, - 2, 1, pixel_step); - cogl_pipeline_set_uniform_1i(priv->pipeline, priv->skip_uniform, 0); - cogl_pipeline_set_uniform_1f(priv->pipeline, priv->border_width_uniform, border); - cogl_pipeline_set_uniform_1f(priv->pipeline, priv->border_brightness_uniform, brightness); -} - -void -meta_clip_effect_skip(MetaClipEffect *effect) -{ - MetaClipEffectPrivate *priv = meta_clip_effect_get_instance_private(effect); - - g_return_if_fail(priv->pipeline && priv->actor); - - cogl_pipeline_set_uniform_1i(priv->pipeline, priv->skip_uniform, 1); -} - -void -meta_clip_effect_get_bounds(MetaClipEffect *effect, - cairo_rectangle_int_t *bounds) -{ - MetaClipEffectPrivate *priv = meta_clip_effect_get_instance_private(effect); - *bounds = priv->bounds; -} |