sergiotarxz/libvips
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stuff

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This commit is contained in:
John Cupitt 2010-03-12 14:40:27 +00:00
parent 3f10e78b91
commit a8ffcdaaf4
2 changed files with 36 additions and 17 deletions
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1
ChangeLog
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@ -29,6 +29,7 @@
- parent/child -> upstream/downstream in DAG
- set VIPS_ICC_DIR in configure
- ICC profiles are looked for in VIPS_ICC_DIR as a fallback
- im_render() mask image generation no longer triggers image calc
15/1/10 started 7.21.1
- added "written" callbacks, used to implement write to non-vips formats

52
libvips/iofuncs/im_render.c
View File

@ -43,6 +43,9 @@
* - drop painted tiles on invalidate
* 10/3/10
* - better lifetime management for im_invalidate() callbacks
* 12/3/10
* - drawing the mask image no longer sets those parts of the image
* rendering, it just queries the cache
*/
/*
@ -73,10 +76,10 @@
/* Turn on debugging output.
#define DEBUG
#define DEBUG_PAINT
#define DEBUG_TG
#define DEBUG_MAKE
#define DEBUG_REUSE
#define DEBUG_PAINT
*/
#ifdef HAVE_CONFIG_H
@ -766,26 +769,30 @@ render_tile_lookup( Render *render, Rect *area )
tile = (Tile *) im_slist_map2( render->cache,
(VSListMap2Fn) tile_test_area, area, NULL );
/* We've looked at a tile ... bump to end of LRU and front of dirty.
*/
if( tile ) {
tile->access_ticks = render->access_ticks;
render->access_ticks += 1;
return( tile );
}
g_mutex_lock( render->dirty_lock );
if( tile->state == TILE_DIRTY ) {
/* We've looked at a tile ... bump to end of LRU and front of dirty.
*/
static void
render_tile_touch( Tile *tile )
{
Render *render = tile->render;
tile->access_ticks = render->access_ticks;
render->access_ticks += 1;
g_mutex_lock( render->dirty_lock );
if( tile->state == TILE_DIRTY ) {
#ifdef DEBUG
printf( "tile_bump_dirty: bumping tile %dx%d\n",
tile->area.left, tile->area.top );
printf( "tile_bump_dirty: bumping tile %dx%d\n",
tile->area.left, tile->area.top );
#endif /*DEBUG*/
render->dirty = g_slist_remove( render->dirty, tile );
render->dirty = g_slist_prepend( render->dirty, tile );
}
g_mutex_unlock( render->dirty_lock );
render->dirty = g_slist_remove( render->dirty, tile );
render->dirty = g_slist_prepend( render->dirty, tile );
}
return( tile );
g_mutex_unlock( render->dirty_lock );
}
/* Add a tile to the dirty list.
@ -892,6 +899,7 @@ render_tile_get( Render *render, Rect *area )
printf( "render_tile_get: found %dx%d in cache\n",
area->left, area->top );
#endif /*DEBUG_PAINT*/
render_tile_touch( tile );
return( tile );
}
@ -989,6 +997,11 @@ region_fill( REGION *out, void *seq, void *a, void *b )
int xs = (r->left / render->width) * render->width;
int ys = (r->top / render->height) * render->height;
#ifdef DEBUG_PAINT
printf( "region_fill: left = %d, top = %d, width = %d, height = %d\n",
r->left, r->top, r->width, r->height );
#endif /*DEBUG_PAINT*/
/* Only allow one reader. No point threading this, calculation is
* decoupled anyway.
*/
@ -1057,6 +1070,11 @@ mask_fill( REGION *out, void *seq, void *a, void *b )
int xs = (r->left / render->width) * render->width;
int ys = (r->top / render->height) * render->height;
#ifdef DEBUG_PAINT
printf( "mask_fill: left = %d, top = %d, width = %d, height = %d\n",
r->left, r->top, r->width, r->height );
#endif /*DEBUG_PAINT*/
g_mutex_lock( render->read_lock );
for( y = ys; y < IM_RECT_BOTTOM( r ); y += render->height )
@ -1069,7 +1087,7 @@ mask_fill( REGION *out, void *seq, void *a, void *b )
area.width = render->width;
area.height = render->height;
if( (tile = render_tile_get( render, &area )) )
if( (tile = render_tile_lookup( render, &area )) )
tile_paint_mask( tile, out );
}