From ff409ce66c03f45e13fe7db583925efb5113ce21 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector@hecrj.dev>
Date: Wed, 20 Mar 2024 16:40:14 +0100
Subject: Fix empty `wgpu` draw calls in `image` pipeline

---
 wgpu/src/image.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'wgpu/src/image.rs')

diff --git a/wgpu/src/image.rs b/wgpu/src/image.rs
index c8e4a4c2..067b77ab 100644
--- a/wgpu/src/image.rs
+++ b/wgpu/src/image.rs
@@ -161,13 +161,21 @@ impl Data {
         queue: &wgpu::Queue,
         instances: &[Instance],
     ) {
+        self.instance_count = instances.len();
+
+        if self.instance_count == 0 {
+            return;
+        }
+
         let _ = self.instances.resize(device, instances.len());
         let _ = self.instances.write(queue, 0, instances);
-
-        self.instance_count = instances.len();
     }
 
     fn render<'a>(&'a self, render_pass: &mut wgpu::RenderPass<'a>) {
+        if self.instance_count == 0 {
+            return;
+        }
+
         render_pass.set_bind_group(0, &self.constants, &[]);
         render_pass.set_vertex_buffer(0, self.instances.slice(..));
 
-- 
cgit