babl: add single precision cmm matrices

diff --git a/babl/babl-space.c b/babl/babl-space.c
index b3385b61831cb3653f5c76049aba4e85af337d70..77d4d42b0fd8ec9df4f43e1fe4802d5f71f2be0b 100644 (file)
--- a/babl/babl-space.c
+++ b/babl/babl-space.c
@@ -183,6 +183,9 @@ babl_space_from_rgbxyz_matrix (const char *name,
   space.RGBtoXYZ[8] = bz;
   babl_matrix_invert (space.RGBtoXYZ, space.XYZtoRGB);
 
+  babl_matrix_to_float (space.RGBtoXYZ, space.RGBtoXYZf);
+  babl_matrix_to_float (space.XYZtoRGB, space.XYZtoRGBf);
+
   space_db[i]=space;
   space_db[i].instance.name = space_db[i].name;
   if (name)

diff --git a/babl/babl-space.h b/babl/babl-space.h
index a6065dd7bdc063426b7f57ff7d72948f0f10e756..c256ac2aad6284d325ffe1638b503475019efbc7 100644 (file)
--- a/babl/babl-space.h
+++ b/babl/babl-space.h
@@ -46,8 +46,11 @@ typedef struct
   const Babl      *trc[3];
   char             name[128];
   double whitepoint[3]; /* CIE XYZ whitepoint */
+
   double RGBtoXYZ[9]; /* matrices for conversions */
   double XYZtoRGB[9];
+  float  RGBtoXYZf[9]; /* matrices for conversions */
+  float  XYZtoRGBf[9];
 
   /* the space should contain matrix to/from XYZ */
   /* and before converting a span, all that needs to be