babl: add LUT debugging configurable through BABL_LUT_INFO environment variable

It is a number ranging from 0 to 5 if with more information provided at
higher levels.

1 files changed, 2 insertions, 1 deletions

diff --git a/tools/babl-benchmark.c b/tools/babl-benchmark.c
index 7329b4f..be3a2ff 100644
--- a/tools/babl-benchmark.c
+++ b/tools/babl-benchmark.c
@@ -25,7 +25,7 @@
 #define random  rand
 #endif
 
-int ITERATIONS = 5;
+int ITERATIONS = 4;
 #define  N_PIXELS (1024*1024)  // a too small batch makes the test set live
                                // in l2 cache skewing results
 
@@ -80,6 +80,7 @@ test (int set_no)
        babl_format_with_space("RGBA float", babl_space(space)), \
        babl_format_with_space("RaGaBaA float", babl_space(space)), \
        babl_format_with_space("R'G'B'A float", babl_space(space)), \
+       babl_format_with_space("R'G'B'A float", babl_space(out_space)),  \
        babl_format_with_space("R'G'B'A u8", babl_space(out_space)) 
 
   const Babl **formats=NULL;