1 files changed, 16 insertions, 0 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/prepass_vert.glsl b/source/blender/draw/engines/eevee/shaders/prepass_vert.glsl
index c756e061d70..974c5724842 100644
--- a/source/blender/draw/engines/eevee/shaders/prepass_vert.glsl
+++ b/source/blender/draw/engines/eevee/shaders/prepass_vert.glsl
@@ -1,17 +1,33 @@
 
 uniform mat4 ModelViewProjectionMatrix;
 uniform mat4 ModelMatrix;
+uniform mat4 ModelViewMatrix;
 
 /* keep in sync with DRWManager.view_data */
 layout(std140) uniform clip_block {
 	vec4 ClipPlanes[1];
 };
 
+#ifndef HAIR_SHADER_FIBERS
 in vec3 pos;
+#else
+in int fiber_index;
+in float curve_param;
+#endif
 
 void main()
 {
+#ifndef HAIR_SHADER_FIBERS
+	gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);
+#else
+	vec3 pos;
+	vec3 nor;
+	vec2 view_offset;
+	hair_fiber_get_vertex(fiber_index, curve_param, ModelViewMatrix, pos, nor, view_offset);
 	gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);
+	gl_Position.xy += view_offset * gl_Position.w;
+#endif
+
 #ifdef CLIP_PLANES
 	vec4 worldPosition = (ModelMatrix * vec4(pos, 1.0));
 	gl_ClipDistance[0] = dot(vec4(worldPosition.xyz, 1.0), ClipPlanes[0]);