Merge branch 'topic/metal-sep21' into main (#1695)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: Tim Sylvester <tim@wetdogweather.com>
Co-authored-by: Bart Louwers <bart@emeel.net>
Co-authored-by: Alex Cristici <alex.cristici@gmail.com>
Co-authored-by: Stefan Karschti <stefan.karschti@gmail.com>
Co-authored-by: Alex Cristici <alex@skoon.energy>
Co-authored-by: Bart Louwers <bart.louwers@gmail.com>
Co-authored-by: Wei Chen <alanchenboy@gmail.com>
Co-authored-by: Siarhei Fedartsou <siarhei.fedartsou@gmail.com>
Co-authored-by: tdcosta100 <tdcosta100@gmail.com>

src/mbgl/gl/drawable_gl_builder.cpp

@@ -43,6 +43,7 @@ void DrawableGLBuilder::init() {
     impl->buildIndexes.clear();
     impl->segments.clear();
     impl->vertices.clear();
+    textures.clear();
 }
 
 } // namespace gl