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window-actor: Move all buffer management and damage correction here

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We want ShapedTexture to be a dumb actor that knows how to
pick/paint fairly easily, without any "platform knowledge", so to say...
This commit is contained in:
Jasper St. Pierre 2013-11-04 22:13:33 -05:00
parent f64cea3fc3
commit d3c2607e53
5 changed files with 70 additions and 52 deletions
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1
src/Makefile.am
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@ -65,6 +65,7 @@ libmutter_la_SOURCES = \
compositor/meta-shadow-factory.c \
compositor/meta-shadow-factory-private.h \
compositor/meta-shaped-texture.c \
compositor/meta-shaped-texture-private.h \
compositor/meta-texture-rectangle.c \
compositor/meta-texture-rectangle.h \
compositor/meta-texture-tower.c \

36
src/compositor/meta-shaped-texture-private.h Normal file
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@ -0,0 +1,36 @@
/*
* shaped texture
*
* An actor to draw a texture clipped to a list of rectangles
*
* Authored By Neil Roberts <neil@linux.intel.com>
*
* Copyright (C) 2008 Intel Corporation
* 2013 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef __META_SHAPED_TEXTURE_PRIVATE_H__
#define __META_SHAPED_TEXTURE_PRIVATE_H__
#include <meta/meta-shaped-texture.h>
ClutterActor *meta_shaped_texture_new (void);
void meta_shaped_texture_set_texture (MetaShapedTexture *stex,
CoglTexture *texture);
#endif

47
src/compositor/meta-shaped-texture.c
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@ -31,9 +31,10 @@
#include "clutter-utils.h"
#include "meta-texture-tower.h"
#include "meta-shaped-texture-private.h"
#include <clutter/clutter.h>
#include <cogl/cogl.h>
#include <cogl/cogl-texture-pixmap-x11.h>
#include <gdk/gdk.h> /* for gdk_rectangle_intersect() */
#include "meta-cullable.h"
@ -67,8 +68,8 @@ G_DEFINE_TYPE_WITH_CODE (MetaShapedTexture, meta_shaped_texture, CLUTTER_TYPE_AC
struct _MetaShapedTexturePrivate
{
MetaTextureTower *paint_tower;
Pixmap pixmap;
CoglTexturePixmapX11 *texture;
CoglTexture *texture;
CoglTexture *mask_texture;
cairo_region_t *clip_region;
@ -105,6 +106,7 @@ meta_shaped_texture_init (MetaShapedTexture *self)
priv = self->priv = META_SHAPED_TEXTURE_GET_PRIVATE (self);
priv->paint_tower = meta_texture_tower_new ();
priv->texture = NULL;
priv->mask_texture = NULL;
priv->create_mipmaps = TRUE;
@ -206,10 +208,8 @@ paint_clipped_rectangle (CoglFramebuffer *fb,
cogl_framebuffer_draw_multitextured_rectangle (fb, pipeline,
x1, y1, x2, y2,
&coords[0], 8);
}
static void
meta_shaped_texture_paint (ClutterActor *actor)
{
@ -581,9 +581,6 @@ meta_shaped_texture_update_area (MetaShapedTexture *stex,
if (priv->texture == NULL)
return FALSE;
cogl_texture_pixmap_x11_update_area (priv->texture,
x, y, width, height);
meta_texture_tower_update_area (priv->paint_tower, x, y, width, height);
if (unobscured_region)
@ -616,8 +613,8 @@ meta_shaped_texture_update_area (MetaShapedTexture *stex,
}
static void
set_cogl_texture (MetaShapedTexture *stex,
CoglTexturePixmapX11 *cogl_tex)
set_cogl_texture (MetaShapedTexture *stex,
CoglTexture *cogl_tex)
{
MetaShapedTexturePrivate *priv;
guint width, height;
@ -657,37 +654,17 @@ set_cogl_texture (MetaShapedTexture *stex,
}
/**
* meta_shaped_texture_set_pixmap:
* meta_shaped_texture_set_texture:
* @stex: The #MetaShapedTexture
* @pixmap: The pixmap you want the stex to assume
* @pixmap: The #CoglTexture to display
*/
void
meta_shaped_texture_set_pixmap (MetaShapedTexture *stex,
Pixmap pixmap)
meta_shaped_texture_set_texture (MetaShapedTexture *stex,
CoglTexture *texture)
{
MetaShapedTexturePrivate *priv;
g_return_if_fail (META_IS_SHAPED_TEXTURE (stex));
priv = stex->priv;
if (priv->pixmap == pixmap)
return;
priv->pixmap = pixmap;
if (pixmap != None)
{
CoglContext *ctx =
clutter_backend_get_cogl_context (clutter_get_default_backend ());
set_cogl_texture (stex, cogl_texture_pixmap_x11_new (ctx, pixmap, FALSE, NULL));
}
else
set_cogl_texture (stex, NULL);
if (priv->create_mipmaps)
meta_texture_tower_set_base_texture (priv->paint_tower,
COGL_TEXTURE (priv->texture));
set_cogl_texture (stex, texture);
}
/**

33
src/compositor/meta-window-actor.c
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@ -27,6 +27,7 @@
#include "xprops.h"
#include "compositor-private.h"
#include "meta-shaped-texture-private.h"
#include "meta-shadow-factory-private.h"
#include "meta-window-actor-private.h"
#include "meta-texture-rectangle.h"
@ -872,6 +873,19 @@ queue_send_frame_messages_timeout (MetaWindowActor *self)
priv->send_frame_messages_timer = g_timeout_add_full (META_PRIORITY_REDRAW, offset, send_frame_messages_timeout, self, NULL);
}
static void
update_area (MetaWindowActor *self,
int x, int y, int width, int height)
{
MetaWindowActorPrivate *priv = self->priv;
CoglTexture *texture;
texture = meta_shaped_texture_get_texture (META_SHAPED_TEXTURE (priv->actor));
cogl_texture_pixmap_x11_update_area (COGL_TEXTURE_PIXMAP_X11 (texture),
x, y, width, height);
}
static void
meta_window_actor_damage_all (MetaWindowActor *self)
{
@ -887,6 +901,7 @@ meta_window_actor_damage_all (MetaWindowActor *self)
if (!priv->mapped || priv->needs_pixmap)
return;
update_area (self, 0, 0, cogl_texture_get_width (texture), cogl_texture_get_height (texture));
redraw_queued = meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
0, 0,
cogl_texture_get_width (texture),
@ -1200,8 +1215,7 @@ meta_window_actor_detach (MetaWindowActor *self)
* you are supposed to be able to free a GLXPixmap after freeing the underlying
* pixmap, but it certainly doesn't work with current DRI/Mesa
*/
meta_shaped_texture_set_pixmap (META_SHAPED_TEXTURE (priv->actor),
None);
meta_shaped_texture_set_texture (META_SHAPED_TEXTURE (priv->actor), NULL);
cogl_flush();
XFreePixmap (xdisplay, priv->back_pixmap);
@ -1750,6 +1764,7 @@ check_needs_pixmap (MetaWindowActor *self)
if (priv->back_pixmap == None)
{
CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
CoglTexture *texture;
meta_error_trap_push (display);
@ -1778,19 +1793,12 @@ check_needs_pixmap (MetaWindowActor *self)
meta_shaped_texture_set_create_mipmaps (META_SHAPED_TEXTURE (priv->actor),
FALSE);
meta_shaped_texture_set_pixmap (META_SHAPED_TEXTURE (priv->actor),
priv->back_pixmap);
texture = meta_shaped_texture_get_texture (META_SHAPED_TEXTURE (priv->actor));
/*
* This only works *after* actually setting the pixmap, so we have to
* do it here.
* See: http://bugzilla.clutter-project.org/show_bug.cgi?id=2236
*/
texture = COGL_TEXTURE (cogl_texture_pixmap_x11_new (ctx, priv->back_pixmap, FALSE, NULL));
if (G_UNLIKELY (!cogl_texture_pixmap_x11_is_using_tfp_extension (COGL_TEXTURE_PIXMAP_X11 (texture))))
g_warning ("NOTE: Not using GLX TFP!\n");
meta_shaped_texture_set_texture (META_SHAPED_TEXTURE (priv->actor), texture);
/* ::size-changed is supposed to refer to meta_window_get_frame_rect().
* Emitting it here works pretty much OK because a new value of the
* *input* rect (which is the outer rect with the addition of invisible
@ -1928,6 +1936,7 @@ meta_window_actor_process_damage (MetaWindowActor *self,
if (!priv->mapped || priv->needs_pixmap)
return;
update_area (self, event->area.x, event->area.y, event->area.width, event->area.height);
redraw_queued = meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
event->area.x,
event->area.y,

5
src/meta/meta-shaped-texture.h
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@ -62,8 +62,6 @@ struct _MetaShapedTexture
GType meta_shaped_texture_get_type (void) G_GNUC_CONST;
ClutterActor *meta_shaped_texture_new (void);
void meta_shaped_texture_set_create_mipmaps (MetaShapedTexture *stex,
gboolean create_mipmaps);
@ -74,9 +72,6 @@ gboolean meta_shaped_texture_update_area (MetaShapedTexture *stex,
int height,
cairo_region_t *unobscured_region);
void meta_shaped_texture_set_pixmap (MetaShapedTexture *stex,
Pixmap pixmap);
CoglTexture * meta_shaped_texture_get_texture (MetaShapedTexture *stex);
void meta_shaped_texture_set_mask_texture (MetaShapedTexture *stex,