void
vips_executor_set_destination( VipsExecutor *executor, void *value )
{
VipsVector *vector = executor->vector;
vips_executor_set_array( executor, vector->d1, value );
}
/* The vector codepath.
*/
static int
morph_vector_gen( REGION *or, void *vseq, void *a, void *b )
{
MorphSequence *seq = (MorphSequence *) vseq;
Morph *morph = (Morph *) b;
INTMASK *mask = morph->mask;
REGION *ir = seq->ir;
Rect *r = &or->valid;
int sz = IM_REGION_N_ELEMENTS( or );
Rect s;
int y, j;
VipsExecutor executor[MAX_PASS];
/* Prepare the section of the input image we need. A little larger
* than the section of the output image we are producing.
*/
s = *r;
s.width += mask->xsize - 1;
s.height += mask->ysize - 1;
if( im_prepare( ir, &s ) )
return( -1 );
#ifdef DEBUG
printf( "morph_vector_gen: preparing %dx%d@%dx%d pixels\n",
s.width, s.height, s.left, s.top );
#endif /*DEBUG*/
for( j = 0; j < morph->n_pass; j++ )
vips_executor_set_program( &executor[j],
morph->pass[j].vector, sz );
for( y = 0; y < r->height; y++ ) {
for( j = 0; j < morph->n_pass; j++ ) {
void *d;
/* The last pass goes to the output image,
* intermediate passes go to t2.
*/
if( j == morph->n_pass - 1 )
d = IM_REGION_ADDR( or, r->left, r->top + y );
else
d = seq->t2;
vips_executor_set_scanline( &executor[j],
ir, r->left, r->top + y );
vips_executor_set_array( &executor[j],
morph->pass[j].r, seq->t1 );
vips_executor_set_destination( &executor[j], d );
vips_executor_run( &executor[j] );
IM_SWAP( void *, seq->t1, seq->t2 );
}
}
return( 0 );
}
void
vips_executor_set_scanline( VipsExecutor *executor,
VipsRegion *ir, int x, int y )
{
VipsVector *vector = executor->vector;
VipsPel *base = VIPS_REGION_ADDR( ir, x, y );
int lsk = VIPS_REGION_LSKIP( ir );
int i;
for( i = 0; i < vector->n_scanline; i++ )
vips_executor_set_array( executor,
vector->sl[i], base + vector->line[i] * lsk );
}