From 8ca04bf69d0aa45e67297d82ae069815dd7c0043 Mon Sep 17 00:00:00 2001
From: edwloef <edwin.frank.loeffler@gmail.com>
Date: Mon, 3 Feb 2025 11:53:45 +0100
Subject: Add debug assertions to `draw_mesh` in `wgpu` renderer

---
 wgpu/src/lib.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'wgpu')

diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs
index 2283cf71..9c9fcb31 100644
--- a/wgpu/src/lib.rs
+++ b/wgpu/src/lib.rs
@@ -557,6 +557,16 @@ impl core::svg::Renderer for Renderer {
 
 impl graphics::mesh::Renderer for Renderer {
     fn draw_mesh(&mut self, mesh: graphics::Mesh) {
+        debug_assert!(
+            !mesh.indices().is_empty(),
+            "Mesh must not have empty indices"
+        );
+
+        debug_assert!(
+            mesh.indices().len() % 3 == 0,
+            "Mesh indices length must be a multiple of 3"
+        );
+
         let (layer, transformation) = self.layers.current_mut();
         layer.draw_mesh(mesh, transformation);
     }
-- 
cgit