# HG changeset patch
# User Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
# Date 1371045810 -7200
# Node ID 9d790ca73c135066616666a131e3fd774c6a0329
# Parent  608468be7a934e679cbba2c92c170748c1ea41a5
Don’t render null-sized arrays of elements.

diff --git a/pytouhou/ui/renderer.pyx b/pytouhou/ui/renderer.pyx
--- a/pytouhou/ui/renderer.pyx
+++ b/pytouhou/ui/renderer.pyx
@@ -86,6 +86,9 @@ cdef class Renderer:
 
                 nb_vertices += 4
 
+        if nb_vertices == 0:
+            return
+
         if self.use_fixed_pipeline:
             glVertexPointer(3, GL_INT, sizeof(Vertex), <long> &self.vertex_buffer[0].x)
             glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), <long> &self.vertex_buffer[0].u)