Fix Cycles blackbody shader not taking into account OpenColorIO config

Keep the existing Rec.709 fit and convert to other colorspace if needed, it
seems accurate enough in practice, and keeps the same performance for the
default case.

1 files changed, 6 insertions, 1 deletions

diff --git a/intern/cycles/kernel/types.h b/intern/cycles/kernel/types.h
index db499a1e1bc..422285cd346 100644
--- a/intern/cycles/kernel/types.h
+++ b/intern/cycles/kernel/types.h
@@ -1117,13 +1117,18 @@ typedef struct KernelFilm {
   float4 xyz_to_g;
   float4 xyz_to_b;
   float4 rgb_to_y;
+  /* Rec709 to rendering color space. */
+  float4 rec709_to_r;
+  float4 rec709_to_g;
+  float4 rec709_to_b;
+  int is_rec709;
 
   int pass_bake_primitive;
   int pass_bake_differential;
 
   int use_approximate_shadow_catcher;
 
-  int pad1, pad2;
+  int pad1;
 } KernelFilm;
 static_assert_align(KernelFilm, 16);