1 files changed, 24 insertions, 0 deletions
diff --git a/source/blender/draw/intern/shaders/common_hair_refine_comp.glsl b/source/blender/draw/intern/shaders/common_hair_refine_comp.glsl
new file mode 100644
index 00000000000..4dcde4b0245
--- /dev/null
+++ b/source/blender/draw/intern/shaders/common_hair_refine_comp.glsl
@@ -0,0 +1,24 @@
+
+/*
+ * To be compiled with common_hair_lib.glsl.
+ */
+
+layout(local_size_x = 1, local_size_y = 1) in;
+layout(std430, binding = 0) writeonly buffer hairPointOutputBuffer
+{
+  vec4 posTime[];
+}
+out_vertbuf;
+
+void main(void)
+{
+  float interp_time;
+  vec4 data0, data1, data2, data3;
+  hair_get_interp_attrs(data0, data1, data2, data3, interp_time);
+
+  vec4 weights = hair_get_weights_cardinal(interp_time);
+  vec4 result = hair_interp_data(data0, data1, data2, data3, weights);
+
+  uint index = uint(hair_get_id() * hairStrandsRes) + gl_GlobalInvocationID.y;
+  out_vertbuf.posTime[index] = result;
+}