From: Øyvind Kolås <pippin@gimp.org>
Date: Wed, 29 Aug 2018 21:50:56 +0000 (+0200)
Subject: base: register a RGBA to RGBA float conversion for completeness
X-Git-Tag: archive/raspbian/1%0.1.106-3+rpi1^2~15^2~14^2~22
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=8b1d2db37ad4a93b6ad84374a2e0602ae3993614;p=babl.git

base: register a RGBA to RGBA float conversion for completeness
---

diff --git a/babl/base/model-rgb.c b/babl/base/model-rgb.c
index d4036d2..0a832f1 100644
--- a/babl/base/model-rgb.c
+++ b/babl/base/model-rgb.c
@@ -898,6 +898,25 @@ rgba_perceptual2rgba (Babl *conversion,
     }
 }
 
+static void
+rgba2rgba_float (Babl *conversion,
+                 char *src,
+                 char *dst,
+                 long  samples)
+{
+  long n = samples;
+
+  while (n--)
+    {
+      ((float *) dst)[0] = ((float *) src)[0];
+      ((float *) dst)[1] = ((float *) src)[1];
+      ((float *) dst)[2] = ((float *) src)[2];
+      ((float *) dst)[3] = ((float *) src)[3];
+      src                += 4 * sizeof (float);
+      dst                += 4 * sizeof (float);
+    }
+}
+
 static void
 conversions (void)
 {
@@ -1318,6 +1337,13 @@ formats (void)
   );
 #endif
 
+  babl_conversion_new (
+    babl_format ("RGBA float"),
+    babl_format ("RGBA float"),
+    "linear", rgba2rgba_float,
+    NULL
+  );
+
   babl_conversion_new (
     babl_format ("R'G'B' float"),
     babl_format ("RGBA float"),