fix incorrect number of vertices

MakieOrg · Jan 6, 2025 · 98e1b9a · 98e1b9a
1 parent e33e3d8
commit 98e1b9a
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/GLMakie/src/GLAbstraction/GLRender.jl b/GLMakie/src/GLAbstraction/GLRender.jl
@@ -155,9 +155,9 @@ renderinstanced(vao::GLVertexArray, a, primitive=GL_TRIANGLES) = renderinstanced
 Renders `amount` instances of an indexed geometry
 """
 function renderinstanced(vao::GLVertexArray{GLBuffer{T}}, amount::Integer, primitive=GL_TRIANGLES) where T <: Union{Integer,AbstractFace}
-    N_elements = length(vao)
-    N_elements * amount == 0 && return nothing
-    glDrawElementsInstanced(primitive, N_elements, julia2glenum(T), C_NULL, amount)
+    N = length(vao.indices) * cardinality(vao.indices)
+    N * amount == 0 && return nothing
+    glDrawElementsInstanced(primitive, N, julia2glenum(T), C_NULL, amount)
     return nothing
 end