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fix up compositing manager to somewhat work

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2003-11-29  Havoc Pennington  <hp@redhat.com>

	* fix up compositing manager to somewhat work
This commit is contained in:
Havoc Pennington 2003-11-30 03:30:27 +00:00 committed by Havoc Pennington
parent 4c5e4442c1
commit 4ebdb0b9c0
8 changed files with 323 additions and 58 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
2003-11-29 Havoc Pennington <hp@redhat.com>
* fix up compositing manager to somewhat work
2003-11-26 Rob Adams <readams@readams.net>
* COMPLIANCE: fix a couple of minor typos.

268
src/compositor.c
View File

@ -24,6 +24,8 @@
#include "compositor.h"
#include "screen.h"
#include "errors.h"
#include "window.h"
#include "frame.h"
#ifdef HAVE_COMPOSITE_EXTENSIONS
#include <X11/extensions/Xcomposite.h>
@ -32,6 +34,9 @@
#endif /* HAVE_COMPOSITE_EXTENSIONS */
#define SHADOW_OFFSET 3
#define FRAME_INTERVAL_MILLISECONDS ((int)(1000.0/40.0))
/* Unlike MetaWindow, there's one of these for _all_ toplevel windows,
* override redirect or not. We also track unmapped windows as
* otherwise on window map we'd have to determine where the
@ -82,6 +87,7 @@ struct MetaCompositor
GHashTable *window_hash;
guint repair_idle;
guint repair_timeout;
guint enabled : 1;
guint have_composite : 1;
@ -94,8 +100,15 @@ struct MetaCompositor
static void
meta_compositor_window_free (MetaCompositorWindow *cwindow)
{
g_assert (cwindow->damage != None);
/* This seems to cause an error if the window
* is destroyed?
*/
meta_error_trap_push (cwindow->compositor->display);
XDamageDestroy (cwindow->compositor->display->xdisplay,
cwindow->damage);
meta_error_trap_pop (cwindow->compositor->display, FALSE);
g_free (cwindow);
}
@ -209,6 +222,12 @@ remove_repair_idle (MetaCompositor *compositor)
g_source_remove (compositor->repair_idle);
compositor->repair_idle = 0;
}
if (compositor->repair_timeout != 0)
{
g_source_remove (compositor->repair_timeout);
compositor->repair_timeout = 0;
}
}
#endif /* HAVE_COMPOSITE_EXTENSIONS */
@ -239,6 +258,9 @@ window_extents (MetaCompositorWindow *cwindow)
r.width = cwindow->width;
r.height = cwindow->height;
r.width += SHADOW_OFFSET;
r.height += SHADOW_OFFSET;
return XFixesCreateRegion (cwindow->compositor->display->xdisplay, &r, 1);
}
#endif /* HAVE_COMPOSITE_EXTENSIONS */
@ -255,6 +277,12 @@ paint_screen (MetaCompositor *compositor,
Display *xdisplay;
XRenderPictFormat *format;
GList *tmp;
GC gc;
meta_verbose ("Repainting screen %d root 0x%lx\n",
screen->number, screen->xroot);
meta_display_grab (screen->display);
xdisplay = screen->display->xdisplay;
@ -278,12 +306,18 @@ paint_screen (MetaCompositor *compositor,
damage_region);
}
buffer_pixmap = XCreatePixmap (xdisplay, None,
buffer_pixmap = XCreatePixmap (xdisplay, screen->xroot,
screen->width,
screen->height,
DefaultDepth (xdisplay,
screen->number));
gc = XCreateGC (xdisplay, buffer_pixmap, 0, NULL);
XSetForeground (xdisplay, gc, WhitePixel (xdisplay, screen->number));
XFixesSetGCClipRegion (xdisplay, gc, 0, 0, region);
XFillRectangle (xdisplay, buffer_pixmap, gc, 0, 0,
screen->width, screen->height);
format = XRenderFindVisualFormat (xdisplay,
DefaultVisual (xdisplay,
screen->number));
@ -293,16 +327,25 @@ paint_screen (MetaCompositor *compositor,
format,
0, 0);
/* set clip on the root window */
/* set clip */
XFixesSetPictureClipRegion (xdisplay,
screen->root_picture, 0, 0, region);
buffer_picture, 0, 0,
region);
/* draw windows from bottom to top */
meta_error_trap_push (compositor->display);
tmp = g_list_last (screen->compositor_windows);
while (tmp != NULL)
{
MetaCompositorWindow *cwindow = tmp->data;
XRenderColor shadow_color;
MetaWindow *window;
shadow_color.red = 0;
shadow_color.green = 0;
shadow_color.blue = 0;
shadow_color.alpha = 0x90c0;
if (cwindow->picture == None) /* InputOnly */
goto next;
@ -313,21 +356,55 @@ paint_screen (MetaCompositor *compositor,
cwindow->last_painted_extents = window_extents (cwindow);
XFixesSetPictureClipRegion (xdisplay,
buffer_picture, 0, 0,
region);
/* XFixesSubtractRegion (dpy, region, region, 0, 0, w->borderSize, 0, 0); */
meta_verbose (" Compositing window 0x%lx %d,%d %dx%d\n",
cwindow->xwindow,
cwindow->x, cwindow->y,
cwindow->width, cwindow->height);
window = meta_display_lookup_x_window (compositor->display,
cwindow->xwindow);
if (window != NULL &&
window == compositor->display->grab_window &&
(meta_grab_op_is_resizing (compositor->display->grab_op) ||
meta_grab_op_is_moving (compositor->display->grab_op)))
{
/* Draw window transparent while resizing */
XRenderComposite (xdisplay,
PictOpSrc, /* PictOpOver for alpha */
PictOpOver, /* PictOpOver for alpha, PictOpSrc without */
cwindow->picture,
None, buffer_picture,
screen->trans_picture,
buffer_picture,
0, 0, 0, 0,
cwindow->x + cwindow->border_width,
cwindow->y + cwindow->border_width,
cwindow->width,
cwindow->height);
}
else
{
/* Draw window normally */
/* superlame drop shadow */
XRenderFillRectangle (xdisplay, PictOpOver,
buffer_picture,
&shadow_color,
cwindow->x + SHADOW_OFFSET,
cwindow->y + SHADOW_OFFSET,
cwindow->width, cwindow->height);
XRenderComposite (xdisplay,
PictOpSrc, /* PictOpOver for alpha, PictOpSrc without */
cwindow->picture,
None,
buffer_picture,
0, 0, 0, 0,
cwindow->x + cwindow->border_width,
cwindow->y + cwindow->border_width,
cwindow->width,
cwindow->height);
}
next:
tmp = tmp->prev;
@ -335,8 +412,16 @@ paint_screen (MetaCompositor *compositor,
meta_error_trap_pop (compositor->display, FALSE);
/* Copy buffer to root window */
meta_verbose ("Copying buffer to root window 0x%lx picture 0x%lx\n",
screen->xroot, screen->root_picture);
XFixesSetPictureClipRegion (xdisplay, buffer_picture, 0, 0, None);
#if 1
XFixesSetPictureClipRegion (xdisplay,
screen->root_picture,
0, 0, region);
#endif
/* XFixesSetPictureClipRegion (xdisplay, buffer_picture, 0, 0, None); */
XRenderComposite (xdisplay, PictOpSrc, buffer_picture, None,
screen->root_picture,
0, 0, 0, 0, 0, 0,
@ -345,17 +430,18 @@ paint_screen (MetaCompositor *compositor,
XFixesDestroyRegion (xdisplay, region);
XFreePixmap (xdisplay, buffer_pixmap);
XRenderFreePicture (xdisplay, buffer_picture);
XFreeGC (xdisplay, gc);
meta_display_ungrab (screen->display);
}
#endif /* HAVE_COMPOSITE_EXTENSIONS */
#ifdef HAVE_COMPOSITE_EXTENSIONS
static gboolean
repair_idle_func (void *data)
static void
do_repair (MetaCompositor *compositor)
{
GSList *tmp;
MetaCompositor *compositor = data;
tmp = compositor->display->screens;
while (tmp != NULL)
{
@ -373,7 +459,32 @@ repair_idle_func (void *data)
tmp = tmp->next;
}
remove_repair_idle (compositor);
}
#endif /* HAVE_COMPOSITE_EXTENSIONS */
#ifdef HAVE_COMPOSITE_EXTENSIONS
static gboolean
repair_idle_func (void *data)
{
MetaCompositor *compositor = data;
compositor->repair_idle = 0;
do_repair (compositor);
return FALSE;
}
#endif /* HAVE_COMPOSITE_EXTENSIONS */
#ifdef HAVE_COMPOSITE_EXTENSIONS
static gboolean
repair_timeout_func (void *data)
{
MetaCompositor *compositor = data;
compositor->repair_timeout = 0;
do_repair (compositor);
return FALSE;
}
@ -413,7 +524,10 @@ ensure_repair_idle (MetaCompositor *compositor)
if (compositor->repair_idle != 0)
return;
compositor->repair_idle = g_idle_add (repair_idle_func, compositor);
compositor->repair_idle = g_idle_add_full (META_PRIORITY_COMPOSITE,
repair_idle_func, compositor, NULL);
compositor->repair_timeout = g_timeout_add (FRAME_INTERVAL_MILLISECONDS,
repair_timeout_func, compositor);
}
#endif /* HAVE_COMPOSITE_EXTENSIONS */
@ -425,9 +539,9 @@ merge_and_destroy_damage_region (MetaCompositor *compositor,
{
if (screen->damage_region != None)
{
XFixesCopyRegion (compositor->display->xdisplay,
XFixesUnionRegion (compositor->display->xdisplay,
screen->damage_region,
region);
region, screen->damage_region);
XFixesDestroyRegion (compositor->display->xdisplay,
region);
}
@ -450,9 +564,9 @@ merge_damage_region (MetaCompositor *compositor,
screen->damage_region =
XFixesCreateRegion (compositor->display->xdisplay, NULL, 0);
XFixesCopyRegion (compositor->display->xdisplay,
XFixesUnionRegion (compositor->display->xdisplay,
screen->damage_region,
region);
region, screen->damage_region);
ensure_repair_idle (compositor);
}
@ -474,9 +588,13 @@ process_damage_notify (MetaCompositor *compositor,
region = XFixesCreateRegion (compositor->display->xdisplay, NULL, 0);
/* translate region to screen */
/* translate region to screen; can error if window of damage is
* destroyed
*/
meta_error_trap_push (compositor->display);
XDamageSubtract (compositor->display->xdisplay,
cwindow->damage, None, region);
meta_error_trap_pop (compositor->display, FALSE);
XFixesTranslateRegion (compositor->display->xdisplay,
region,
@ -509,9 +627,10 @@ process_configure_notify (MetaCompositor *compositor,
if (cwindow->last_painted_extents)
{
merge_damage_region (compositor,
merge_and_destroy_damage_region (compositor,
screen,
cwindow->last_painted_extents);
cwindow->last_painted_extents = None;
}
cwindow->x = event->x;
@ -575,6 +694,32 @@ process_configure_notify (MetaCompositor *compositor,
}
#endif /* HAVE_COMPOSITE_EXTENSIONS */
#ifdef HAVE_COMPOSITE_EXTENSIONS
static void
process_expose (MetaCompositor *compositor,
XExposeEvent *event)
{
XserverRegion region;
MetaScreen *screen;
XRectangle r;
screen = meta_display_screen_for_root (compositor->display,
event->window);
if (screen == NULL || screen->root_picture == None)
return;
r.x = 0;
r.y = 0;
r.width = screen->width;
r.height = screen->height;
region = XFixesCreateRegion (compositor->display->xdisplay, &r, 1);
merge_and_destroy_damage_region (compositor, screen, region);
}
#endif /* HAVE_COMPOSITE_EXTENSIONS */
void
meta_compositor_process_event (MetaCompositor *compositor,
XEvent *event,
@ -594,6 +739,11 @@ meta_compositor_process_event (MetaCompositor *compositor,
process_configure_notify (compositor,
(XConfigureEvent*) event);
}
else if (event->type == Expose)
{
process_expose (compositor,
(XExposeEvent*) event);
}
#endif /* HAVE_COMPOSITE_EXTENSIONS */
}
@ -611,6 +761,7 @@ meta_compositor_add_window (MetaCompositor *compositor,
Damage damage;
XRenderPictFormat *format;
XRenderPictureAttributes pa;
XserverRegion region;
if (!compositor->enabled)
return; /* no extension */
@ -666,9 +817,15 @@ meta_compositor_add_window (MetaCompositor *compositor,
&cwindow->xwindow, cwindow);
/* assume cwindow is at the top of the stack */
/* FIXME this is wrong, switch workspaces to see an example;
* in fact we map windows up from the bottom
*/
screen->compositor_windows = g_list_prepend (screen->compositor_windows,
cwindow);
/* schedule paint of the new window */
region = window_extents (cwindow);
merge_and_destroy_damage_region (compositor, screen, region);
#endif /* HAVE_COMPOSITE_EXTENSIONS */
}
@ -715,6 +872,8 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
XRenderPictureAttributes pa;
XRectangle r;
XRenderColor c;
if (!compositor->enabled)
return; /* no extension */
@ -731,7 +890,7 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
XCompositeRedirectSubwindows (screen->display->xdisplay,
screen->xroot,
CompositeRedirectManual);
g_print ("Subwindows redirected\n");
meta_verbose ("Subwindows redirected, we are now the compositing manager\n");
pa.subwindow_mode = IncludeInferiors;
@ -746,6 +905,35 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
g_assert (screen->root_picture != None);
screen->trans_pixmap = XCreatePixmap (compositor->display->xdisplay,
screen->xroot, 1, 1, 8);
pa.repeat = True;
screen->trans_picture =
XRenderCreatePicture (compositor->display->xdisplay,
screen->trans_pixmap,
XRenderFindStandardFormat (compositor->display->xdisplay,
PictStandardA8),
CPRepeat,
&pa);
c.red = c.green = c.blue = 0;
c.alpha = 0xc0c0;
XRenderFillRectangle (compositor->display->xdisplay,
PictOpSrc,
screen->trans_picture, &c, 0, 0, 1, 1);
/* Damage the whole screen */
r.x = 0;
r.y = 0;
r.width = screen->width;
r.height = screen->height;
merge_and_destroy_damage_region (compositor,
screen,
XFixesCreateRegion (compositor->display->xdisplay,
&r, 1));
#endif /* HAVE_COMPOSITE_EXTENSIONS */
}
@ -760,6 +948,12 @@ meta_compositor_unmanage_screen (MetaCompositor *compositor,
XRenderFreePicture (screen->display->xdisplay,
screen->root_picture);
screen->root_picture = None;
XRenderFreePicture (screen->display->xdisplay,
screen->trans_picture);
screen->trans_picture = None;
XFreePixmap (screen->display->xdisplay,
screen->trans_pixmap);
screen->trans_pixmap = None;
while (screen->compositor_windows != NULL)
{
@ -770,6 +964,36 @@ meta_compositor_unmanage_screen (MetaCompositor *compositor,
#endif /* HAVE_COMPOSITE_EXTENSIONS */
}
void
meta_compositor_damage_window (MetaCompositor *compositor,
MetaWindow *window)
{
#ifdef HAVE_COMPOSITE_EXTENSIONS
Window xwindow;
MetaCompositorWindow *cwindow;
if (!compositor->enabled)
return;
if (window->screen->root_picture == None)
return;
if (window->frame)
xwindow = window->frame->xwindow;
else
xwindow = window->xwindow;
cwindow = g_hash_table_lookup (compositor->window_hash,
&xwindow);
if (cwindow == NULL)
return;
merge_and_destroy_damage_region (compositor,
window->screen,
window_extents (cwindow));
#endif /* HAVE_COMPOSITE_EXTENSIONS */
}

2
src/compositor.h
View File

@ -41,6 +41,8 @@ void meta_compositor_manage_screen (MetaCompositor *compositor,
void meta_compositor_unmanage_screen (MetaCompositor *compositor,
MetaScreen *screen);
void meta_compositor_damage_window (MetaCompositor *compositor,
MetaWindow *window);
#endif /* META_COMPOSITOR_H */

26
src/display.c
View File

@ -1738,9 +1738,15 @@ event_callback (XEvent *event,
break;
case MapNotify:
{
/* If a window becomes viewable, then we need to
* add it to the compositor
/* If a window becomes viewable and is a child of the root,
* then we need to add it to the compositor. If the window
* has a frame we definitely don't want to add it, it's
* just being mapped inside the frame.
*/
if (window == NULL ||
(window && window->frame == NULL) ||
frame_was_receiver)
{
XWindowAttributes attrs;
meta_error_trap_push_with_return (display);
@ -1760,6 +1766,7 @@ event_callback (XEvent *event,
modified, &attrs);
}
}
}
break;
case MapRequest:
if (window == NULL)
@ -3078,8 +3085,16 @@ meta_display_begin_grab_op (MetaDisplay *display,
}
if (display->grab_window)
{
meta_window_refresh_resize_popup (display->grab_window);
/* repaint window in case we draw it differently
* when grabbed
*/
meta_compositor_damage_window (display->compositor,
display->grab_window);
}
return TRUE;
}
@ -3153,6 +3168,13 @@ meta_display_end_grab_op (MetaDisplay *display,
meta_window_calc_showing (display->grab_window);
}
/* repaint window in case the grab op drew it in a
* nonstandard way such as transparent or wireframe
*/
if (display->grab_window != NULL)
meta_compositor_damage_window (display->compositor,
display->grab_window);
display->grab_window = NULL;
display->grab_screen = NULL;
display->grab_xwindow = None;

6
src/main.c
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@ -378,7 +378,11 @@ main (int argc, char **argv)
#else
meta_verbose ("Compiled without startup notification\n");
#endif
#ifdef HAVE_COMPOSITE_EXTENSIONS
meta_verbose ("Compiled with composite extensions\n");
#else
meta_verbose ("Compiled without composite extensions\n");
#endif
/* Load prefs */
meta_prefs_init ();

5
src/screen.c
View File

@ -502,6 +502,9 @@ meta_screen_new (MetaDisplay *display,
LeaveWindowMask | EnterWindowMask |
KeyPressMask | KeyReleaseMask |
FocusChangeMask | StructureNotifyMask |
#ifdef HAVE_COMPOSITE_EXTENSIONS
ExposureMask |
#endif
attr.your_event_mask);
if (meta_error_trap_pop_with_return (display, FALSE) != Success)
{
@ -546,6 +549,8 @@ meta_screen_new (MetaDisplay *display,
screen->compositor_windows = NULL;
screen->damage_region = None;
screen->root_picture = None;
screen->trans_pixmap = None;
screen->trans_picture = None;
{
XGCValues gc_values;

2
src/screen.h
View File

@ -118,6 +118,8 @@ struct _MetaScreen
GList *compositor_windows;
XID root_picture;
XID damage_region;
XID trans_pixmap;
XID trans_picture;
};
MetaScreen* meta_screen_new (MetaDisplay *display,

4
src/ui.h
View File

@ -29,8 +29,10 @@
#include <glib.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
/* This is between GTK_PRIORITY_RESIZE and GTK_PRIORITY_REDRAW */
/* This is between GTK_PRIORITY_RESIZE (+10) and GTK_PRIORITY_REDRAW (+20) */
#define META_PRIORITY_RESIZE (G_PRIORITY_HIGH_IDLE + 15)
/* lower than GTK_PRIORITY_REDRAW */
#define META_PRIORITY_COMPOSITE (G_PRIORITY_HIGH_IDLE + 25)
typedef struct _MetaUI MetaUI;