Properly handle vertex color color space for Cycles GLSL

A bit tricky, need to pass additional information about what the attribute
is and how to deal with it.

BI path stays unchanged, just to make things simplier for now.

Fixes T48555: Cycles GLSL- Incorrect Vertex Color results from Attribute node

1 files changed, 4 insertions, 4 deletions

diff --git a/source/blender/blenkernel/BKE_DerivedMesh.h b/source/blender/blenkernel/BKE_DerivedMesh.h
index 2b13a847e14..8ccc4a6eb0e 100644
--- a/source/blender/blenkernel/BKE_DerivedMesh.h
+++ b/source/blender/blenkernel/BKE_DerivedMesh.h
@@ -757,22 +757,22 @@ void DM_update_weight_mcol(
 typedef struct DMVertexAttribs {
 	struct {
 		struct MLoopUV *array;
-		int em_offset, gl_index, gl_texco;
+		int em_offset, gl_index, gl_texco, gl_info_index;
 	} tface[MAX_MTFACE];
 
 	struct {
 		struct MLoopCol *array;
-		int em_offset, gl_index;
+		int em_offset, gl_index, gl_info_index;
 	} mcol[MAX_MCOL];
 
 	struct {
 		float (*array)[4];
-		int em_offset, gl_index;
+		int em_offset, gl_index, gl_info_index;
 	} tang[MAX_MTFACE];
 
 	struct {
 		float (*array)[3];
-		int em_offset, gl_index, gl_texco;
+		int em_offset, gl_index, gl_texco, gl_info_index;
 	} orco;
 
 	int tottface, totmcol, tottang, totorco;