Hair Info Length Attribute

Goal is to add the length attribute to the Hair Info node, for better control over color gradients or similar along the hair.

Reviewed By: #eevee_viewport, brecht

Differential Revision: https://developer.blender.org/D10481

1 files changed, 3 insertions, 1 deletions

diff --git a/source/blender/draw/intern/draw_common.h b/source/blender/draw/intern/draw_common.h
index 1eaf2bee236..2913877c9c1 100644
--- a/source/blender/draw/intern/draw_common.h
+++ b/source/blender/draw/intern/draw_common.h
@@ -29,6 +29,7 @@ struct Object;
 struct ParticleSystem;
 struct RegionView3D;
 struct ViewLayer;
+struct GPUMaterial;
 
 #define UBO_FIRST_COLOR colorWire
 #define UBO_LAST_COLOR colorUVShadow
@@ -175,7 +176,8 @@ bool DRW_object_axis_orthogonal_to_view(struct Object *ob, int axis);
 struct DRWShadingGroup *DRW_shgroup_hair_create_sub(struct Object *object,
                                                     struct ParticleSystem *psys,
                                                     struct ModifierData *md,
-                                                    struct DRWShadingGroup *shgrp);
+                                                    struct DRWShadingGroup *shgrp,
+                                                    struct GPUMaterial *gpu_material);
 struct GPUVertBuf *DRW_hair_pos_buffer_get(struct Object *object,
                                            struct ParticleSystem *psys,
                                            struct ModifierData *md);