@ -34,6 +34,7 @@
# include <libweston/matrix.h>
# include <libweston/matrix.h>
# include "color_util.h"
# include "color_util.h"
# include "weston-test-runner.h"
# include "shared/helpers.h"
# include "shared/helpers.h"
static_assert ( sizeof ( struct color_float ) = = 4 * sizeof ( float ) ,
static_assert ( sizeof ( struct color_float ) = = 4 * sizeof ( float ) ,
@ -330,3 +331,62 @@ lcmsMAT3_invert(struct lcmsMAT3 *result, const struct lcmsMAT3 *mat)
assert ( ret = = 0 ) ;
assert ( ret = = 0 ) ;
lcmsMAT3_from_weston_matrix ( result , & inv ) ;
lcmsMAT3_from_weston_matrix ( result , & inv ) ;
}
}
void
scalar_stat_update ( struct scalar_stat * stat , double val , struct color_float * pos )
{
if ( stat - > count = = 0 | | stat - > min > val ) {
stat - > min = val ;
stat - > min_pos = * pos ;
}
if ( stat - > count = = 0 | | stat - > max < val ) {
stat - > max = val ;
stat - > max_pos = * pos ;
}
stat - > sum + = val ;
stat - > count + + ;
}
float
scalar_stat_avg ( const struct scalar_stat * stat )
{
return stat - > sum / stat - > count ;
}
# define RGB888_FMT "(%3u, %3u, %3u)"
# define RGB888_VAL(cf) (unsigned)round((cf).r * 255.0), (unsigned)round((cf).g * 255.0), (unsigned)round((cf).b * 255.0)
void
scalar_stat_print_rgb8bit ( const struct scalar_stat * stat )
{
testlog ( " min %8.5f at " RGB888_FMT " \n " , stat - > min , RGB888_VAL ( stat - > min_pos ) ) ;
testlog ( " max %8.5f at " RGB888_FMT " \n " , stat - > max , RGB888_VAL ( stat - > max_pos ) ) ;
testlog ( " avg %8.5f \n " , scalar_stat_avg ( stat ) ) ;
}
void
scalar_stat_print_float ( const struct scalar_stat * stat )
{
testlog ( " min %11.5g at %.5f \n " , stat - > min , stat - > min_pos . r ) ;
testlog ( " max %11.5g at %.5f \n " , stat - > max , stat - > max_pos . r ) ;
testlog ( " avg %11.5g \n " , scalar_stat_avg ( stat ) ) ;
}
void
rgb_diff_stat_update ( struct rgb_diff_stat * stat ,
struct color_float * ref , struct color_float * val )
{
unsigned i ;
double ssd = 0.0 ;
for ( i = 0 ; i < COLOR_CHAN_NUM ; i + + ) {
double diff = val - > rgb [ i ] - ref - > rgb [ i ] ;
scalar_stat_update ( & stat - > rgb [ i ] , diff , ref ) ;
ssd + = diff * diff ;
}
scalar_stat_update ( & stat - > two_norm , sqrt ( ssd ) , ref ) ;
}