void
cogl_texture_pixmap_x11_update_area (CoglHandle handle,
int x,
int y,
int width,
int height)
{
CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (handle);
const CoglWinsysVtable *winsys;
if (!cogl_is_texture_pixmap_x11 (handle))
return;
/* We'll queue the update for both the GLX texture and the regular
texture because we can't determine which will be needed until we
actually render something */
winsys = _cogl_texture_pixmap_x11_get_winsys (tex_pixmap);
winsys->texture_pixmap_x11_damage_notify (tex_pixmap);
cogl_damage_rectangle_union (&tex_pixmap->damage_rect,
x, y, width, height);
}
void
cogl_texture_pixmap_x11_update_area (CoglHandle handle,
int x,
int y,
int width,
int height)
{
CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (handle);
if (!cogl_is_texture_pixmap_x11 (handle))
return;
/* We'll queue the update for both the GLX texture and the regular
texture because we can't determine which will be needed until we
actually render something */
#ifdef COGL_HAS_GLX_SUPPORT
tex_pixmap->bind_tex_image_queued = TRUE;
#endif
cogl_damage_rectangle_union (&tex_pixmap->damage_rect,
x, y, width, height);
}
void
cogl_texture_pixmap_x11_update_area (CoglTexturePixmapX11 *tex_pixmap,
int x,
int y,
int width,
int height)
{
/* We'll queue the update for both the GLX texture and the regular
texture because we can't determine which will be needed until we
actually render something */
if (tex_pixmap->stereo_mode == COGL_TEXTURE_PIXMAP_RIGHT)
tex_pixmap = tex_pixmap->left;
if (tex_pixmap->winsys)
{
const CoglWinsysVtable *winsys;
winsys = _cogl_texture_pixmap_x11_get_winsys (tex_pixmap);
winsys->texture_pixmap_x11_damage_notify (tex_pixmap);
}
cogl_damage_rectangle_union (&tex_pixmap->damage_rect,
x, y, width, height);
}
static void
process_damage_event (CoglTexturePixmapX11 *tex_pixmap,
XDamageNotifyEvent *damage_event)
{
CoglTexture *tex = COGL_TEXTURE (tex_pixmap);
Display *display;
enum
{ DO_NOTHING, NEEDS_SUBTRACT, NEED_BOUNDING_BOX } handle_mode;
const CoglWinsysVtable *winsys;
_COGL_GET_CONTEXT (ctxt, NO_RETVAL);
display = cogl_xlib_renderer_get_display (ctxt->display->renderer);
COGL_NOTE (TEXTURE_PIXMAP, "Damage event received for %p", tex_pixmap);
switch (tex_pixmap->damage_report_level)
{
case COGL_TEXTURE_PIXMAP_X11_DAMAGE_RAW_RECTANGLES:
/* For raw rectangles we don't need do look at the damage region
at all because the damage area is directly given in the event
struct and the reporting of events is not affected by
clearing the damage region */
handle_mode = DO_NOTHING;
break;
case COGL_TEXTURE_PIXMAP_X11_DAMAGE_DELTA_RECTANGLES:
case COGL_TEXTURE_PIXMAP_X11_DAMAGE_NON_EMPTY:
/* For delta rectangles and non empty we'll query the damage
region for the bounding box */
handle_mode = NEED_BOUNDING_BOX;
break;
case COGL_TEXTURE_PIXMAP_X11_DAMAGE_BOUNDING_BOX:
/* For bounding box we need to clear the damage region but we
don't actually care what it was because the damage event
itself contains the bounding box of the region */
handle_mode = NEEDS_SUBTRACT;
break;
default:
g_assert_not_reached ();
}
/* If the damage already covers the whole rectangle then we don't
need to request the bounding box of the region because we're
going to update the whole texture anyway. */
if (cogl_damage_rectangle_is_whole (&tex_pixmap->damage_rect,
tex->width,
tex->height))
{
if (handle_mode != DO_NOTHING)
XDamageSubtract (display, tex_pixmap->damage, None, None);
}
else if (handle_mode == NEED_BOUNDING_BOX)
{
XserverRegion parts;
int r_count;
XRectangle r_bounds;
XRectangle *r_damage;
/* We need to extract the damage region so we can get the
bounding box */
parts = XFixesCreateRegion (display, 0, 0);
XDamageSubtract (display, tex_pixmap->damage, None, parts);
r_damage = XFixesFetchRegionAndBounds (display,
parts,
&r_count,
&r_bounds);
cogl_damage_rectangle_union (&tex_pixmap->damage_rect,
r_bounds.x,
r_bounds.y,
r_bounds.width,
r_bounds.height);
if (r_damage)
XFree (r_damage);
XFixesDestroyRegion (display, parts);
}
else
{
if (handle_mode == NEEDS_SUBTRACT)
/* We still need to subtract from the damage region but we
don't care what the region actually was */
XDamageSubtract (display, tex_pixmap->damage, None, None);
cogl_damage_rectangle_union (&tex_pixmap->damage_rect,
damage_event->area.x,
damage_event->area.y,
damage_event->area.width,
damage_event->area.height);
}
if (tex_pixmap->winsys)
{
/* If we're using the texture from pixmap extension then there's no
point in getting the region and we can just mark that the texture
needs updating */
winsys = _cogl_texture_pixmap_x11_get_winsys (tex_pixmap);
winsys->texture_pixmap_x11_damage_notify (tex_pixmap);
}
}
