webgl: Don't panic when trying to draw unregistered bitmap

Avoids a panic in #1248.
2020-10-11 01:18:01 -07:00 · 2020-10-11 01:18:01 -07:00 · 253c231788
parent 4034ef8d79
commit 253c231788
1 changed files with 8 additions and 6 deletions
--- a/render/webgl/src/lib.rs
+++ b/render/webgl/src/lib.rs
@ -1048,12 +1048,14 @@ impl RenderBackend for WebGlRenderBackend {
                    );
                }
                DrawType::Bitmap(bitmap) => {
-                    let texture = &self
-                        .textures
-                        .iter()
-                        .find(|(id, _tex)| *id == bitmap.id)
-                        .unwrap()
-                        .1;
+                    let texture = if let Some(texture) =
+                        self.textures.iter().find(|(id, _tex)| *id == bitmap.id)
+                    {
+                        &texture.1
+                    } else {
+                        // Bitmap not registered
+                        continue;
+                    };

                    program.uniform_matrix3fv(
                        &self.gl,