@ -1,5 +1,6 @@
/*
* Copyright © 2012 Intel Corporation
* Copyright 2017 Collabora , Ltd .
*
* Permission is hereby granted , free of charge , to any person obtaining
* a copy of this software and associated documentation files ( the
@ -1516,3 +1517,68 @@ capture_screenshot_of_output(struct client *client)
return buffer ;
}
static void
write_visual_diff ( pixman_image_t * ref_image ,
struct buffer * shot ,
const struct rectangle * clip ,
const char * test_name ,
int seq_no ,
const struct range * fuzz )
{
char * fname ;
char * ext_test_name ;
pixman_image_t * diff ;
int ret ;
ret = asprintf ( & ext_test_name , " %s-diff " , test_name ) ;
assert ( ret > = 0 ) ;
fname = screenshot_output_filename ( ext_test_name , seq_no ) ;
diff = visualize_image_difference ( ref_image , shot - > image , clip , fuzz ) ;
write_image_as_png ( diff , fname ) ;
pixman_image_unref ( diff ) ;
free ( fname ) ;
free ( ext_test_name ) ;
}
int
check_screen ( struct client * client ,
const char * ref_image ,
int ref_seq_no ,
const struct rectangle * clip ,
int seq_no )
{
const char * test_name = get_test_name ( ) ;
const struct range gl_fuzz = { 0 , 1 } ;
struct buffer * shot ;
pixman_image_t * ref ;
char * ref_fname ;
char * shot_fname ;
bool match ;
ref_fname = screenshot_reference_filename ( ref_image , ref_seq_no ) ;
shot_fname = screenshot_output_filename ( test_name , seq_no ) ;
ref = load_image_from_png ( ref_fname ) ;
assert ( ref ) ;
shot = capture_screenshot_of_output ( client ) ;
assert ( shot ) ;
match = check_images_match ( ref , shot - > image , clip , & gl_fuzz ) ;
testlog ( " ref %s vs. shot %s: %s \n " , ref_fname , shot_fname ,
match ? " PASS " : " FAIL " ) ;
write_image_as_png ( shot - > image , shot_fname ) ;
if ( ! match )
write_visual_diff ( ref , shot , clip , test_name , seq_no , & gl_fuzz ) ;
buffer_destroy ( shot ) ;
pixman_image_unref ( ref ) ;
free ( ref_fname ) ;
free ( shot_fname ) ;
return match ? 0 : - 1 ;
}