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shaped-texture: Make Cullable
Make MetaWindowActor chain up to the generic default MetaCullable implementation, and remove the helper methods for MetaSurfaceActor and MetaShapedTexture.
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@ -35,6 +35,7 @@
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#include <cogl/cogl.h>
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#include <cogl/cogl-texture-pixmap-x11.h>
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#include <gdk/gdk.h> /* for gdk_rectangle_intersect() */
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#include "meta-cullable.h"
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static void meta_shaped_texture_dispose (GObject *object);
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@ -54,8 +55,10 @@ static void meta_shaped_texture_get_preferred_height (ClutterActor *self,
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static gboolean meta_shaped_texture_get_paint_volume (ClutterActor *self, ClutterPaintVolume *volume);
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G_DEFINE_TYPE (MetaShapedTexture, meta_shaped_texture,
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CLUTTER_TYPE_ACTOR);
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static void cullable_iface_init (MetaCullableInterface *iface);
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G_DEFINE_TYPE_WITH_CODE (MetaShapedTexture, meta_shaped_texture, CLUTTER_TYPE_ACTOR,
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G_IMPLEMENT_INTERFACE (META_TYPE_CULLABLE, cullable_iface_init));
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#define META_SHAPED_TEXTURE_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((obj), META_TYPE_SHAPED_TEXTURE, \
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@ -107,6 +110,17 @@ meta_shaped_texture_init (MetaShapedTexture *self)
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priv->create_mipmaps = TRUE;
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}
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static void
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set_clip_region (MetaShapedTexture *self,
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cairo_region_t *clip_region)
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{
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MetaShapedTexturePrivate *priv = self->priv;
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g_clear_pointer (&priv->clip_region, (GDestroyNotify) cairo_region_destroy);
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if (clip_region)
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priv->clip_region = cairo_region_copy (clip_region);
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}
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static void
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meta_shaped_texture_dispose (GObject *object)
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{
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@ -121,7 +135,7 @@ meta_shaped_texture_dispose (GObject *object)
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g_clear_pointer (&priv->opaque_region, cairo_region_destroy);
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meta_shaped_texture_set_mask_texture (self, NULL);
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meta_shaped_texture_set_clip_region (self, NULL);
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set_clip_region (self, NULL);
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G_OBJECT_CLASS (meta_shaped_texture_parent_class)->dispose (object);
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}
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@ -489,14 +503,6 @@ meta_shaped_texture_get_paint_volume (ClutterActor *self,
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return clutter_paint_volume_set_from_allocation (volume, self);
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}
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ClutterActor *
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meta_shaped_texture_new (void)
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{
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ClutterActor *self = g_object_new (META_TYPE_SHAPED_TEXTURE, NULL);
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return self;
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}
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void
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meta_shaped_texture_set_create_mipmaps (MetaShapedTexture *stex,
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gboolean create_mipmaps)
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@ -733,39 +739,6 @@ meta_shaped_texture_set_input_shape_region (MetaShapedTexture *stex,
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clutter_actor_queue_redraw (CLUTTER_ACTOR (stex));
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}
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/**
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* meta_shaped_texture_set_clip_region:
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* @stex: a #MetaShapedTexture
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* @clip_region: the region of the texture that is visible and
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* should be painted.
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*
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* Provides a hint to the texture about what areas of the texture
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* are not completely obscured and thus need to be painted. This
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* is an optimization and is not supposed to have any effect on
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* the output.
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*
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* Typically a parent container will set the clip region before
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* painting its children, and then unset it afterwards.
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*/
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void
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meta_shaped_texture_set_clip_region (MetaShapedTexture *stex,
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cairo_region_t *clip_region)
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{
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MetaShapedTexturePrivate *priv;
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g_return_if_fail (META_IS_SHAPED_TEXTURE (stex));
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priv = stex->priv;
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if (priv->clip_region)
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cairo_region_destroy (priv->clip_region);
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if (clip_region)
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priv->clip_region = cairo_region_copy (clip_region);
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else
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priv->clip_region = NULL;
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}
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/**
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* meta_shaped_texture_set_opaque_region:
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* @stex: a #MetaShapedTexture
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@ -893,3 +866,43 @@ meta_shaped_texture_get_image (MetaShapedTexture *stex,
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return surface;
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}
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static void
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meta_shaped_texture_cull_out (MetaCullable *cullable,
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cairo_region_t *unobscured_region,
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cairo_region_t *clip_region)
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{
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MetaShapedTexture *self = META_SHAPED_TEXTURE (cullable);
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MetaShapedTexturePrivate *priv = self->priv;
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set_clip_region (self, clip_region);
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if (clutter_actor_get_paint_opacity (CLUTTER_ACTOR (self)) == 0xff)
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{
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if (priv->opaque_region)
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{
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cairo_region_subtract (unobscured_region, priv->opaque_region);
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cairo_region_subtract (clip_region, priv->opaque_region);
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}
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}
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}
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static void
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meta_shaped_texture_reset_culling (MetaCullable *cullable)
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{
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MetaShapedTexture *self = META_SHAPED_TEXTURE (cullable);
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set_clip_region (self, NULL);
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}
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static void
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cullable_iface_init (MetaCullableInterface *iface)
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{
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iface->cull_out = meta_shaped_texture_cull_out;
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iface->reset_culling = meta_shaped_texture_reset_culling;
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}
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ClutterActor *
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meta_shaped_texture_new (void)
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{
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return g_object_new (META_TYPE_SHAPED_TEXTURE, NULL);
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}
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@ -70,11 +70,6 @@ struct _MetaWindowActorPrivate
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/* A region that matches the shape of the window, including frame bounds */
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cairo_region_t *shape_region;
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/* If the window has an input shape, a region that matches the shape */
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cairo_region_t *input_region;
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/* The opaque region, from _NET_WM_OPAQUE_REGION, intersected with
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* the shape region. */
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cairo_region_t *opaque_region;
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/* The region we should clip to when painting the shadow */
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cairo_region_t *shadow_clip;
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@ -366,8 +361,8 @@ meta_window_actor_constructed (GObject *object)
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meta_window_actor_update_opacity (self);
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/* Start off with an empty region to maintain the invariant that
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the shape region is always set */
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/* Start off with an empty shape region to maintain the invariant
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* that it's always set */
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priv->shape_region = cairo_region_create ();
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}
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@ -401,8 +396,6 @@ meta_window_actor_dispose (GObject *object)
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g_clear_pointer (&priv->unobscured_region, cairo_region_destroy);
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g_clear_pointer (&priv->shape_region, cairo_region_destroy);
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g_clear_pointer (&priv->input_region, cairo_region_destroy);
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g_clear_pointer (&priv->opaque_region, cairo_region_destroy);
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g_clear_pointer (&priv->shadow_clip, cairo_region_destroy);
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g_clear_pointer (&priv->shadow_class, g_free);
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@ -1642,28 +1635,6 @@ meta_window_actor_unmapped (MetaWindowActor *self)
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priv->needs_pixmap = FALSE;
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}
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/**
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* meta_window_actor_get_obscured_region:
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* @self: a #MetaWindowActor
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*
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* Gets the region that is completely obscured by the window. Coordinates
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* are relative to the upper-left of the window.
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*
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* Return value: (transfer none): the area obscured by the window,
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* %NULL is the same as an empty region.
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*/
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static cairo_region_t *
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meta_window_actor_get_obscured_region (MetaWindowActor *self)
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{
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MetaWindowActorPrivate *priv = self->priv;
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MetaWindow *window = priv->window;
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if (priv->back_pixmap && window->opacity != 0xFF && !priv->window->shaded)
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return priv->opaque_region;
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else
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return NULL;
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}
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#if 0
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/* Print out a region; useful for debugging */
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static void
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@ -1713,8 +1684,6 @@ see_region (cairo_region_t *region,
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*
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* Provides a hint as to what areas of the window need to queue
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* redraws when damaged. Regions not in @unobscured_region are completely obscured.
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* Unlike meta_window_actor_set_clip_region(), the region here
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* doesn't take into account any clipping that is in effect while drawing.
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*/
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void
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meta_window_actor_set_unobscured_region (MetaWindowActor *self,
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@ -1731,27 +1700,6 @@ meta_window_actor_set_unobscured_region (MetaWindowActor *self,
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priv->unobscured_region = NULL;
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}
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/**
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* meta_window_actor_set_clip_region:
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* @self: a #MetaWindowActor
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* @clip_region: the region of the screen that isn't completely
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* obscured.
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*
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* Provides a hint as to what areas of the window need to be
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* drawn. Regions not in @clip_region are completely obscured or
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* not drawn in this frame.
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* This will be set before painting then unset afterwards.
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*/
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static void
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meta_window_actor_set_clip_region (MetaWindowActor *self,
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cairo_region_t *clip_region)
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{
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MetaWindowActorPrivate *priv = self->priv;
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meta_shaped_texture_set_clip_region (META_SHAPED_TEXTURE (priv->actor),
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clip_region);
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}
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/**
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* meta_window_actor_set_clip_region_beneath:
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* @self: a #MetaWindowActor
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@ -1797,18 +1745,7 @@ meta_window_actor_cull_out (MetaCullable *cullable,
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return;
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meta_window_actor_set_unobscured_region (self, unobscured_region);
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meta_window_actor_set_clip_region (self, clip_region);
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if (clutter_actor_get_paint_opacity (CLUTTER_ACTOR (self)) == 0xff)
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{
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cairo_region_t *obscured_region = meta_window_actor_get_obscured_region (self);
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if (obscured_region)
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{
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cairo_region_subtract (unobscured_region, obscured_region);
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cairo_region_subtract (clip_region, obscured_region);
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}
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}
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meta_cullable_cull_out_children (cullable, unobscured_region, clip_region);
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meta_window_actor_set_clip_region_beneath (self, clip_region);
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}
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@ -1818,9 +1755,8 @@ meta_window_actor_reset_culling (MetaCullable *cullable)
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MetaWindowActor *self = META_WINDOW_ACTOR (cullable);
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MetaWindowActorPrivate *priv = self->priv;
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meta_shaped_texture_set_clip_region (META_SHAPED_TEXTURE (priv->actor),
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NULL);
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g_clear_pointer (&priv->shadow_clip, cairo_region_destroy);
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meta_cullable_reset_culling_children (cullable);
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}
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static void
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@ -2274,8 +2210,7 @@ static void
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meta_window_actor_update_opaque_region (MetaWindowActor *self)
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{
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MetaWindowActorPrivate *priv = self->priv;
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g_clear_pointer (&priv->opaque_region, cairo_region_destroy);
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cairo_region_t *opaque_region;
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if (priv->argb32 && priv->window->opaque_region != NULL)
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{
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@ -2293,17 +2228,17 @@ meta_window_actor_update_opaque_region (MetaWindowActor *self)
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* to be undefined, and considered a client bug. In mutter's
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* case, graphical glitches will occur.
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*/
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priv->opaque_region = cairo_region_copy (priv->window->opaque_region);
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cairo_region_translate (priv->opaque_region, borders.total.left, borders.total.top);
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cairo_region_intersect (priv->opaque_region, priv->shape_region);
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opaque_region = cairo_region_copy (priv->window->opaque_region);
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cairo_region_translate (opaque_region, borders.total.left, borders.total.top);
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cairo_region_intersect (opaque_region, priv->shape_region);
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}
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else if (priv->argb32)
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priv->opaque_region = NULL;
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opaque_region = NULL;
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else
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priv->opaque_region = cairo_region_reference (priv->shape_region);
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opaque_region = cairo_region_reference (priv->shape_region);
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meta_shaped_texture_set_opaque_region (META_SHAPED_TEXTURE (priv->actor),
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priv->opaque_region);
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meta_shaped_texture_set_opaque_region (META_SHAPED_TEXTURE (priv->actor), opaque_region);
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cairo_region_destroy (opaque_region);
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}
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static void
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@ -84,9 +84,6 @@ void meta_shaped_texture_set_mask_texture (MetaShapedTexture *stex,
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void meta_shaped_texture_set_input_shape_region (MetaShapedTexture *stex,
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cairo_region_t *shape_region);
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void meta_shaped_texture_set_clip_region (MetaShapedTexture *stex,
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cairo_region_t *clip_region);
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void meta_shaped_texture_set_opaque_region (MetaShapedTexture *stex,
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cairo_region_t *opaque_region);
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